Attachment 1487213 Details for Bug 1633213 – File: backtrace

File: backtrace

backtrace (text/plain), 470.24 KB, created by Geric George on 2018-09-26 12:48:14 UTC

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Creator: Geric George

Created: 2018-09-26 12:48:14 UTC

Size: 470.24 KB

patch

obsolete

>[New LWP 2323]
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>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Core was generated by `/usr/libexec/webkit2gtk-4.0/WebKitWebProcess 2 26'.
>Program terminated with signal SIGABRT, Aborted.
>#0  0x00007f2515cf6f4b in __GI___libc_sigaction (sig=2, act=0x7f23f3ffe140, oact=0x0) at ../sysdeps/unix/sysv/linux/x86_64/sigaction.c:47
>47	{
>[Current thread is 1 (Thread 0x7f23f3fff700 (LWP 2323))]
>
>Thread 1 (Thread 0x7f23f3fff700 (LWP 2323)):
>#0  0x00007f2515cf6f4b in __GI___libc_sigaction (sig=2, act=0x7f23f3ffe140, oact=0x0) at ../sysdeps/unix/sysv/linux/x86_64/sigaction.c:47
>        result = <optimized out>
>        kact = {k_sa_handler = 0x0, sa_flags = 0, sa_restorer = 0x7f251a1bd887, sa_mask = {__val = {139792394216864, 139792125874027, 139792125855232, 8589934593, 0, 139792126355873, 0, 139792394217520, 139792394217328, 139792125874030, 139792125856000, 8589934593, 0, 18446744067267100671, 18446744073709551615, 18446744073709551615}}}
>        koact = {k_sa_handler = 0xffffffffffffffff, sa_flags = 18446744073709551615, sa_restorer = 0xffffffffffffffff, sa_mask = {__val = {18446744073709551615, 18446744073709551615, 18446744073709551615, 18446744073709551615, 18446744073709551615, 18446744073709551615, 18446744073709551615, 18446744073709551615, 18446744073709551615, 94729024809712, 13080110934796004608, 139792394216368, 139797256344977, 32, 0, 0}}}
>#1  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 2 (Thread 0x7f25003e6700 (LWP 2239)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=94729024933904) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 140732255919951, st_ino = 94729024933152, st_nlink = 0, st_mode = 4124237, st_uid = 32549, st_gid = 3521184464, __pad0 = 22055, st_rdev = 139797301095658, st_size = 0, st_blksize = 139797377549668, st_blocks = 0, st_atim = {tv_sec = 139796894607104, tv_nsec = 139796894607104}, st_mtim = {tv_sec = 2119584164780380845, tv_nsec = 140732255919950}, st_ctim = {tv_sec = 140732255919951, tv_nsec = 140732255920080}, __glibc_reserved = {140732255920080, -2080585040193449299, -2080526008337755475}}
>        increment = <optimized out>
>#1  0xb585e3980337ed00 in ?? ()
>No symbol table info available.
>#2  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 3 (Thread 0x7f2523c30540 (LWP 2235)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=100, len=139794944365712) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 0, st_ino = 139797300927174, st_nlink = 139797449857056, st_mode = 4264538112, st_uid = 32548, st_gid = 3521194352, __pad0 = 22055, st_rdev = 139797430800256, st_size = 140732255922080, st_blksize = -5366633138913547008, st_blocks = 0, st_atim = {tv_sec = 140732255921744, tv_nsec = 0}, st_mtim = {tv_sec = 140732255922088, tv_nsec = 140732255922080}, st_ctim = {tv_sec = 139797453767992, tv_nsec = 139797486608840}, __glibc_reserved = {0, 0, 139797348945153}}
>        increment = <optimized out>
>#1  0x00005627d0dbde30 in WebProcessMain.cpp ()
>No symbol table info available.
>#2  0x00005627d0dbdd30 in ?? ()
>No symbol table info available.
>#3  0x00007f2515ce31bb in __libc_start_main (main=0x5627d0dbdcd0 <main(int, char**)>, argc=3, argv=0x7ffec81f67a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffec81f6798) at ../csu/libc-start.c:277
>        cnt = 53996799
>        afct = 0x3
>        head = <optimized out>
>        result = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5681881200685804883, 94729007783216, 140732255922080, 0, 0, -2118989050115845459, -2080543124175646035}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffec81f67c8, 0x7f2523c7b130}, data = {prev = 0x0, cleanup = 0x0, canceltype = -937465912}}}
>        not_first_call = <optimized out>
>#4  0x00005627d0dbdd5a in _start ()
>No symbol table info available.
>
>Thread 4 (Thread 0x7f23f37fe700 (LWP 2324)):
>#0  gst_gl_query_init (query=query@entry=0x7f23d808ea00, context=context@entry=0x7f240801aaf0, query_type=query_type@entry=GST_GL_QUERY_TIME_ELAPSED) at gstglquery.c:140
>        _g_boolean_var_ = <optimized out>
>        gl = <optimized out>
>        gl_query_type = <optimized out>
>        __func__ = "gst_gl_query_init"
>        _g_boolean_var_ = <optimized out>
>#1  0x00007f251a1b0be9 in gst_gl_query_new (context=context@entry=0x7f240801aaf0, query_type=query_type@entry=GST_GL_QUERY_TIME_ELAPSED) at gstglquery.c:209
>        query = 0x7f23d808ea00
>#2  0x00007f251a18e8da in _mem_create_gl (context=0x7f240801aaf0, transfer=0x7f23f37fd450) at gstglbasememory.c:92
>        alloc_class = 0x5627d24ece80
>        error = 0x0
>        __PRETTY_FUNCTION__ = "_mem_create_gl"
>        __func__ = "_mem_create_gl"
>#3  0x00007f251a18c778 in gst_gl_context_thread_add (context=context@entry=0x7f240801aaf0, func=func@entry=0x7f251a18e840 <_mem_create_gl>, data=data@entry=0x7f23f37fd450) at gstglcontext.c:1573
>        window = <optimized out>
>        rdata = {context = 0xef, func = 0x7f240801aaf0, data = 0x190500}
>        __func__ = "gst_gl_context_thread_add"
>#4  0x00007f251a18f1af in gst_gl_base_memory_init (mem=mem@entry=0x7f23d8043910, allocator=allocator@entry=0x5627d1e6e1a0, parent=parent@entry=0x0, context=context@entry=0x7f240801aaf0, params=params@entry=0x7f23d807ed00, size=size@entry=1639680, user_data=0x0, notify=0x0) at gstglbasememory.c:170
>        align = <optimized out>
>        offset = <optimized out>
>        maxsize = 1639680
>        flags = <optimized out>
>        data = {mem = 0x7f23d8043910, result = -671088608}
>        __PRETTY_FUNCTION__ = "gst_gl_base_memory_init"
>#5  0x00007f251a18ff5a in _gl_buffer_init (mem=mem@entry=0x7f23d8043910, allocator=allocator@entry=0x5627d1e6e1a0, context=context@entry=0x7f240801aaf0, gl_target=gl_target@entry=35052, gl_usage=gl_usage@entry=35040, params=params@entry=0x7f23d807ed00, size=1639680, parent=0x0) at gstglbuffer.c:103
>        __PRETTY_FUNCTION__ = "_gl_buffer_init"
>#6  0x00007f251a190334 in _gl_buffer_new (size=1639680, params=0x7f23d807ed00, gl_usage=35040, gl_target=35052, context=0x7f240801aaf0, parent=0x0, allocator=0x5627d1e6e1a0) at gstglbuffer.c:116
>        ret = 0x7f23d8043910
>        ret = <optimized out>
>        __n = <optimized out>
>        __s = <optimized out>
>        __p = <optimized out>
>#7  _gl_buffer_alloc_mem (allocator=0x5627d1e6e1a0, params=<optimized out>) at gstglbuffer.c:410
>        alloc_flags = <optimized out>
>        __func__ = "_gl_buffer_alloc_mem"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  0x00007f251a193ba6 in _gl_mem_create (gl_mem=0x7f23d80444c0, error=<optimized out>) at gstglmemorypbo.c:209
>        alloc_params = {flags = (unknown: 0), align = 7, prefix = 0, padding = 0, _gst_reserved = {0x0, 0x0, 0x0, 0x0}}
>        buf_allocator = 0x5627d1e6e1a0
>        params = 0x7f23d8043860
>        context = <optimized out>
>        alloc_class = <optimized out>
>        __PRETTY_FUNCTION__ = "_gl_mem_create"
>#9  0x00007f251a18e8f2 in _mem_create_gl (context=0x7f240801aaf0, transfer=0x7f23f37fd620) at gstglbasememory.c:94
>        alloc_class = 0x5627d24edb50
>        error = 0x0
>        __PRETTY_FUNCTION__ = "_mem_create_gl"
>        __func__ = "_mem_create_gl"
>#10 0x00007f251a18c778 in gst_gl_context_thread_add (context=context@entry=0x7f240801aaf0, func=func@entry=0x7f251a18e840 <_mem_create_gl>, data=data@entry=0x7f23f37fd620) at gstglcontext.c:1573
>        window = <optimized out>
>        rdata = {context = 0x203, func = 0x7f240801aaf0, data = 0x190500}
>        __func__ = "gst_gl_context_thread_add"
>#11 0x00007f251a18f1af in gst_gl_base_memory_init (mem=mem@entry=0x7f23d80444c0, allocator=allocator@entry=0x5627d2122d50, parent=parent@entry=0x0, context=context@entry=0x7f240801aaf0, params=params@entry=0x0, size=size@entry=1639680, user_data=0x0, notify=0x0) at gstglbasememory.c:170
>        align = <optimized out>
>        offset = <optimized out>
>        maxsize = 1639680
>        flags = <optimized out>
>        data = {mem = 0x7f23d80444c0, result = 437829120}
>        __PRETTY_FUNCTION__ = "gst_gl_base_memory_init"
>#12 0x00007f251a1910c2 in gst_gl_memory_init (mem=mem@entry=0x7f23d80444c0, allocator=allocator@entry=0x5627d2122d50, parent=parent@entry=0x0, context=0x7f240801aaf0, target=GST_GL_TEXTURE_TARGET_2D, tex_format=<optimized out>, params=0x0, info=0x7f2400007b80, plane=0, valign=0x7f2400007c20, user_data=0x0, notify=0x0) at gstglmemory.c:332
>        target_str = <optimized out>
>        size = 1639680
>        __func__ = "gst_gl_memory_init"
>        __PRETTY_FUNCTION__ = "gst_gl_memory_init"
>#13 0x00007f251a193a05 in _gl_mem_pbo_alloc (allocator=0x5627d2122d50, params=0x7f240000aa20) at gstglmemorypbo.c:657
>        mem = 0x7f23d80444c0
>        alloc_flags = 9
>        __func__ = "_gl_mem_pbo_alloc"
>#14 0x00007f251a19334c in gst_gl_memory_setup_buffer (allocator=0x5627d2122d50, buffer=buffer@entry=0x7f23d808c0d0, params=0x7f240000aa20, tex_formats=tex_formats@entry=0x0, wrapped_data=wrapped_data@entry=0x0, n_wrapped_pointers=n_wrapped_pointers@entry=0) at gstglmemory.c:1486
>        gl_mem = <optimized out>
>        base_allocator = 0x5627d2122d50
>        n_mem = 1
>        i = 0
>        v = 0
>        views = <optimized out>
>        alloc_flags = <optimized out>
>        __func__ = "gst_gl_memory_setup_buffer"
>        _g_boolean_var_ = <optimized out>
>#15 0x00007f251a1959d0 in gst_gl_buffer_pool_alloc (pool=0x7f2408020670, buffer=0x7f240801ee30, params=<optimized out>) at gstglbufferpool.c:280
>        alloc = <optimized out>
>        glpool = 0x7f2408020670
>        priv = 0x7f24080205c0
>        buf = 0x7f23d808c0d0
>        __PRETTY_FUNCTION__ = "gst_gl_buffer_pool_alloc"
>#16 0x00007f251ada0076 in do_alloc_buffer (pool=pool@entry=0x7f2408020670, buffer=buffer@entry=0x7f240801ee30, params=params@entry=0x0) at gstbufferpool.c:278
>        priv = 0x7f24080205e0
>        result = <optimized out>
>        cur_buffers = 0
>        max_buffers = 0
>        pclass = <optimized out>
>        __PRETTY_FUNCTION__ = "do_alloc_buffer"
>#17 0x00007f251ada03dc in default_acquire_buffer (pool=0x7f2408020670, buffer=0x7f240801ee30, params=0x0) at gstbufferpool.c:1134
>        result = <optimized out>
>        priv = 0x7f24080205e0
>        __PRETTY_FUNCTION__ = "default_acquire_buffer"
>#18 0x00007f251ada1a97 in gst_buffer_pool_acquire_buffer (pool=0x7f2408020670, buffer=buffer@entry=0x7f240801ee30, params=params@entry=0x0) at gstbufferpool.c:1265
>        pclass = 0x7f2408008b80
>        result = <optimized out>
>        __func__ = "gst_buffer_pool_acquire_buffer"
>#19 0x00007f251a1a1b34 in _do_convert (context=0x7f240801aaf0, convert=<optimized out>) at gstglcolorconvert.c:2419
>        in_info = <optimized out>
>        c_info = <optimized out>
>        res = 1
>        views = <optimized out>
>        v = <optimized out>
>        composition_meta = <optimized out>
>        sync_meta = <optimized out>
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "_do_convert"
>        __func__ = "_do_convert"
>#20 0x00007f251a1a5bf7 in _run_message_sync (message=0x7f241d3b7e20) at gstglwindow.c:577
>No locals.
>#21 0x00007f251a1a5b96 in _run_message_async (message=message@entry=0x5627d201dee0) at gstglwindow.c:644
>No locals.
>#22 0x00007f25187630eb in g_idle_dispatch (source=0x7f2400014340, callback=0x7f251a1a5b80 <_run_message_async>, user_data=0x5627d201dee0) at gmain.c:5535
>        again = <optimized out>
>#23 0x00007f25187667cd in g_main_dispatch (context=0x7f2400011bd0) at gmain.c:3177
>        dispatch = 0x7f25187630d0 <g_idle_dispatch>
>        prev_source = 0x0
>        was_in_call = 0
>        user_data = 0x5627d201dee0
>        callback = 0x7f251a1a5b80 <_run_message_async>
>        cb_funcs = 0x7f2518a2f280 <g_source_callback_funcs>
>        cb_data = 0x7f242c0024b0
>        need_destroy = <optimized out>
>        source = 0x7f2400014340
>        current = 0x5627d21f7120
>        i = 0
>        current = <optimized out>
>        i = <optimized out>
>        __func__ = "g_main_dispatch"
>        source = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        was_in_call = <optimized out>
>        user_data = <optimized out>
>        callback = <optimized out>
>        cb_funcs = <optimized out>
>        cb_data = <optimized out>
>        need_destroy = <optimized out>
>        dispatch = <optimized out>
>        prev_source = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#24 g_main_context_dispatch (context=context@entry=0x7f2400011bd0) at gmain.c:3830
>No locals.
>#25 0x00007f2518766b98 in g_main_context_iterate (context=0x7f2400011bd0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3903
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = 1
>        nfds = <optimized out>
>        allocated_nfds = 1
>        fds = 0x7f23d8001320
>#26 0x00007f2518766ec2 in g_main_loop_run (loop=0x7f240000a2e0) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#27 0x00007f251a1a5c89 in gst_gl_window_default_run (window=0x7f240801b790) at gstglwindow.c:503
>        priv = 0x7f240801b760
>#28 0x00007f251a18d720 in gst_gl_context_create_thread (context=0x7f240801aaf0) at gstglcontext.c:1309
>        context_class = 0x7f240800e030
>        window_class = 0x7f240800a460
>        compiled_api = 65539
>        user_api = GST_GL_API_ANY
>        gl_api = GST_GL_API_OPENGL3
>        display_api = <optimized out>
>        api_string = <optimized out>
>        compiled_api_s = 0x7f2400003150 "p8"
>        user_api_s = 0x7f240000a060 "glquery"
>        display_api_s = 0x7f23d8001320 "?"
>        user_choice = <optimized out>
>        error = 0x7f241d3b6910
>        other_context = 0x5627d248f3d0
>        __PRETTY_FUNCTION__ = "gst_gl_context_create_thread"
>        __func__ = "gst_gl_context_create_thread"
>#29 0x00007f251878ecea in g_thread_proxy (data=0x7f2400002a30) at gthread.c:784
>        thread = 0x7f2400002a30
>        __func__ = "g_thread_proxy"
>#30 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139792385828608, 2119584164780380845, 139793085982542, 139793085982543, 139793085982672, 139793085982672, -2076827454910557523, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -670504448
>#31 0x00007f2515dba31f in vmsplice (fd=-209721600, iov=0x7f240801aaf0, count=1, flags=3623880912) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 139791925045760
>        sc_cancel_oldtype = -670504448
>        sc_ret = <optimized out>
>#32 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 5 (Thread 0x7f24fc9fc700 (LWP 2246)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=139795145692128) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 139795145689888, st_ino = 139797300927174, st_nlink = 139797424825072, st_mode = 4264452096, st_uid = 32548, st_gid = 2550139680, __pad0 = 32548, st_rdev = 139797430800256, st_size = 139642215053824, st_blksize = -5366633138913547008, st_blocks = 139796860080296, st_atim = {tv_sec = 139796860088640, tv_nsec = 139796860080320}, st_mtim = {tv_sec = 0, tv_nsec = 1}, st_ctim = {tv_sec = 139797430634511, tv_nsec = 0}, __glibc_reserved = {0, 0, 140732255921134}}
>        increment = <optimized out>
>#1  0x00007ffec81f63ef in ?? ()
>No symbol table info available.
>#2  0x00007ffec81f6480 in ?? ()
>No symbol table info available.
>#3  0x00007ffec81f6480 in ?? ()
>No symbol table info available.
>#4  0xe323bfae2a4712ad in ?? ()
>No symbol table info available.
>#5  0xe3207c9e571112ad in ?? ()
>No symbol table info available.
>#6  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 6 (Thread 0x7f24febe3700 (LWP 2242)):
>#0  0x00007f251d07e84a in futex_abstimed_wait_cancelable (private=0, abstime=0x7f24febe2af0, expected=0, futex_word=0x7f2523adba3c) at ../sysdeps/unix/sysv/linux/futex-internal.h:204
>        __arg6 = <optimized out>
>        __arg3 = <optimized out>
>        _a5 = 0
>        _a2 = 393
>        __arg4 = <optimized out>
>        __arg1 = <optimized out>
>        _a6 = 4294967295
>        _a3 = 0
>        resultvar = <optimized out>
>        __arg5 = <optimized out>
>        __arg2 = <optimized out>
>        _a4 = 139796869425904
>        _a1 = 139797489105468
>        __ret = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg6 = <optimized out>
>        __arg5 = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a6 = <optimized out>
>        _a5 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7f24febe2af0, mutex=0x5627d1e86f10, cond=0x7f2523adba10) at pthread_cond_wait.c:539
>        spin = 0
>        buffer = {__routine = 0x7f251d07e270 <__condvar_cancel_waiting+304>, __arg = 0x7f24febe2a50, __canceltype = 0, __prev = 0x0}
>        cbuffer = {wseq = 13, cond = 0x7f2523adba10, mutex = 0x5627d1e86f10, private = 0}
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 13
>        seq = 6
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=0x7f2523adba10, mutex=0x5627d1e86f10, abstime=0x7f24febe2af0) at pthread_cond_wait.c:667
>No locals.
>#3  0x00007f2520350b4c in ?? ()
>No symbol table info available.
>#4  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 7 (Thread 0x7f241e3bb700 (LWP 2313)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=0x7f2430006ad0, mutex=0x7f2430006ac8) at gthread-posix.c:1402
>        sampled = 16
>#2  0x00007f251a1a6724 in gst_gl_window_default_send_message (window=0x7f2430006ae0, callback=<optimized out>, data=<optimized out>) at gstglwindow.c:603
>        message = {window = 0x7f2430006ae0, fired = 0, callback = 0x7f251a18abd0 <_gst_gl_context_thread_run_generic>, data = 0x7f241e3b9e60}
>#3  0x00007f251a18c745 in gst_gl_context_thread_add (context=<optimized out>, func=func@entry=0x7f251a1a1120 <_do_convert>, data=data@entry=0x7f240801e110) at gstglcontext.c:1583
>        window = 0x7f2430006ae0
>        rdata = {context = 0x7f240801a070, func = 0x7f251a1a1120 <_do_convert>, data = 0x7f240801e110}
>        __func__ = "gst_gl_context_thread_add"
>#4  0x00007f251a1a3698 in _gst_gl_color_convert_perform_unlocked (inbuf=0x7f2430036960, convert=0x7f240801e110) at gstglcolorconvert.c:1288
>        __func__ = "_gst_gl_color_convert_perform_unlocked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#5  gst_gl_color_convert_perform (convert=0x7f240801e110, inbuf=inbuf@entry=0x7f2430036960) at gstglcolorconvert.c:1270
>        ret = <optimized out>
>        __func__ = "gst_gl_color_convert_perform"
>#6  0x00007f246e8cb437 in gst_gl_color_convert_element_prepare_output_buffer (bt=0x5627d24c12a0, inbuf=0x7f2430036960, outbuf=0x7f241e3b9f40) at gstglcolorconvertelement.c:215
>        convert = 0x5627d24c12a0
>        bclass = 0x5627d24c2000
>        __PRETTY_FUNCTION__ = "gst_gl_color_convert_element_prepare_output_buffer"
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#7  0x00007f251b0ddf78 in default_generate_output (trans=0x5627d24c12a0, outbuf=0x7f241e3b9f40) at gstbasetransform.c:2103
>        bclass = 0x5627d24c2000
>        priv = 0x5627d24c11d0
>        ret = GST_FLOW_OK
>        inbuf = 0x7f2430036960
>        want_in_place = <optimized out>
>        __PRETTY_FUNCTION__ = "default_generate_output"
>#8  0x00007f251b0dd8f6 in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24c12a0, buffer=<optimized out>) at gstbasetransform.c:2285
>        trans = 0x5627d24c12a0
>        klass = 0x5627d24c2000
>        priv = 0x5627d24c11d0
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#9  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2430036960, type=4112, pad=0x5627d2573c90) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24c12a0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#10 gst_pad_push_data (pad=pad@entry=0x5627d2573a40, type=type@entry=4112, data=data@entry=0x7f2430036960) at gstpad.c:4576
>        peer = 0x5627d2573c90
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#11 0x00007f251adddf72 in gst_pad_push (pad=0x5627d2573a40, buffer=0x7f2430036960) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#12 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24c0f20, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d24c0f20
>        klass = 0x5627d24ba1b0
>        priv = 0x5627d24c0e50
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f2430036960
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#13 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c029e50, type=4112, pad=0x5627d25737f0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24c0f20
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#14 gst_pad_push_data (pad=pad@entry=0x5627d2515410, type=type@entry=4112, data=data@entry=0x7f248c029e50) at gstpad.c:4576
>        peer = 0x5627d25737f0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#15 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d2515410, buffer=buffer@entry=0x7f248c029e50) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#16 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c029e50) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d2515410
>        __func__ = "gst_proxy_pad_chain_default"
>#17 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c029e50, type=4112, pad=0x5627d256cac0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d248add0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#18 gst_pad_push_data (pad=pad@entry=0x7f24280e4ce0, type=type@entry=4112, data=data@entry=0x7f248c029e50) at gstpad.c:4576
>        peer = 0x5627d256cac0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#19 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e4ce0, buffer=buffer@entry=0x7f248c029e50) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#20 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c029e50) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e4ce0
>        __func__ = "gst_proxy_pad_chain_default"
>#21 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c029e50, type=4112, pad=0x7f24280e6c50) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f24280e4ce0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#22 gst_pad_push_data (pad=pad@entry=0x7f24280eba60, type=type@entry=4112, data=data@entry=0x7f248c029e50) at gstpad.c:4576
>        peer = 0x7f24280e6c50
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#23 0x00007f251adddf72 in gst_pad_push (pad=0x7f24280eba60, buffer=0x7f248c029e50) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#24 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f24100608f0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f24100608f0
>        klass = 0x7f241004f040
>        priv = 0x7f2410060820
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c029e50
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#25 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c029e50, type=4112, pad=0x7f24280ebcb0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f24100608f0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#26 gst_pad_push_data (pad=pad@entry=0x7f24280eb810, type=type@entry=4112, data=data@entry=0x7f248c029e50) at gstpad.c:4576
>        peer = 0x7f24280ebcb0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#27 0x00007f251adddf72 in gst_pad_push (pad=0x7f24280eb810, buffer=0x7f248c029e50) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#28 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f241002d170, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f241002d170
>        klass = 0x7f241002a940
>        priv = 0x7f241002d0a0
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c029e50
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#29 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c029e50, type=4112, pad=0x7f24280eb5c0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f241002d170
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#30 gst_pad_push_data (pad=pad@entry=0x7f242402c9b0, type=type@entry=4112, data=data@entry=0x7f248c029e50) at gstpad.c:4576
>        peer = 0x7f24280eb5c0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#31 0x00007f251adddf72 in gst_pad_push (pad=0x7f242402c9b0, buffer=0x7f248c029e50) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#32 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f2410058350, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f2410058350
>        klass = 0x7f2410058ff0
>        priv = 0x7f2410058280
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c029e50
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#33 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c029e50, type=4112, pad=0x7f242402cc00) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f2410058350
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#34 gst_pad_push_data (pad=pad@entry=0x7f242402d0a0, type=type@entry=4112, data=data@entry=0x7f248c029e50) at gstpad.c:4576
>        peer = 0x7f242402cc00
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#35 0x00007f251adddf72 in gst_pad_push (pad=0x7f242402d0a0, buffer=0x7f248c029e50) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#36 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f241005a7a0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f241005a7a0
>        klass = 0x7f241004f040
>        priv = 0x7f241005a6d0
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c029e50
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#37 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c029e50, type=4112, pad=0x7f242402ce50) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f241005a7a0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#38 gst_pad_push_data (pad=pad@entry=0x7f24280e69f0, type=type@entry=4112, data=data@entry=0x7f248c029e50) at gstpad.c:4576
>        peer = 0x7f242402ce50
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#39 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e69f0, buffer=buffer@entry=0x7f248c029e50) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#40 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c029e50) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e69f0
>        __func__ = "gst_proxy_pad_chain_default"
>#41 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c029e50, type=4112, pad=0x7f24280e4a60) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24c89b0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#42 gst_pad_push_data (pad=pad@entry=0x7f24280ea590, type=type@entry=4112, data=data@entry=0x7f248c029e50) at gstpad.c:4576
>        peer = 0x7f24280e4a60
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#43 0x00007f251adddf72 in gst_pad_push (pad=0x7f24280ea590, buffer=buffer@entry=0x7f248c029e50) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#44 0x00007f246f343eb7 in gst_queue_push_one (queue=0x7f24280ec650) at gstqueue.c:1384
>        buffer = 0x7f248c029e50
>        data = <optimized out>
>        is_list = <optimized out>
>        result = <optimized out>
>        result = <optimized out>
>        data = <optimized out>
>        is_list = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_push_one"
>        buffer = <optimized out>
>        subbuffer = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        buffer_list = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#45 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1537
>        queue = 0x7f24280ec650
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#46 0x00007f251ae0b731 in gst_task_func (task=0x7f24200b7b90) at gsttask.c:332
>        lock = 0x7f24280ea600
>        tself = 0x7f241005eed0
>        priv = 0x7f24200b7b40
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#47 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21e9010
>        pool = 0x5627d1ee16e0
>#48 0x00007f251878ecea in g_thread_proxy (data=0x7f241005eed0) at gthread.c:784
>        thread = 0x7f241005eed0
>        __func__ = "g_thread_proxy"
>#49 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793102780160, 2119584164780380845, 139792989797790, 139792989797791, 139792989797920, 139792989797920, -2079964949458251091, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#50 0x00007f2515dba31f in vmsplice (fd=507229952, iov=0x80, count=16, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#51 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 8 (Thread 0x7f24177fe700 (LWP 2312)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x7f24280ecbf8, mutex=mutex@entry=0x7f24280ecbd0) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f246f344b7e in gst_queue_chain_buffer_or_list (parent=0x7f24280ec950, obj=0x7f24340321e0, is_list=0, pad=<optimized out>) at gstqueue.c:1247
>        queue = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_chain_buffer_or_list"
>#3  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x7f24100841c0) at gstpad.c:4320
>        chainfunc = 0x7f246f345670 <gst_queue_chain>
>        parent = 0x7f24280ec950
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#4  gst_pad_push_data (pad=pad@entry=0x5627d2576c80, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x7f24100841c0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#5  0x00007f251adddf72 in gst_pad_push (pad=0x5627d2576c80, buffer=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#6  0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d2585fe0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d2585fe0
>        klass = 0x5627d24cba00
>        priv = 0x5627d2585f10
>        ret = <optimized out>
>        position = 2088219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24340321e0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#7  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x5627d2576a30) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d2585fe0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  gst_pad_push_data (pad=pad@entry=0x7f2418060a10, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x5627d2576a30
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#9  0x00007f251adddf72 in gst_pad_push (pad=0x7f2418060a10, buffer=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#10 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f241007fa70, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f241007fa70
>        klass = 0x5627d24a7c30
>        priv = 0x7f241007f9a0
>        ret = <optimized out>
>        position = 2088219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24340321e0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#11 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x7f24180607c0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f241007fa70
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#12 gst_pad_push_data (pad=pad@entry=0x7f242c0e58c0, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x7f24180607c0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#13 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e58c0, buffer=buffer@entry=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#14 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24340321e0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e58c0
>        __func__ = "gst_proxy_pad_chain_default"
>#15 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x7f242c0e3c90) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d25758e0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#16 gst_pad_push_data (pad=pad@entry=0x7f242406ae40, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x7f242c0e3c90
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#17 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242406ae40, buffer=buffer@entry=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#18 0x00007f246f5dad8a in gst_stream_synchronizer_sink_chain (pad=0x7f242406abf0, parent=0x5627d2488290, buffer=0x7f24340321e0) at gststreamsynchronizer.c:711
>        self = 0x5627d2488290
>        opad = 0x7f242406ae40
>        ret = GST_FLOW_ERROR
>        stream = <optimized out>
>        duration = <optimized out>
>        timestamp = 2065000000
>        timestamp_end = 2088219955
>        __PRETTY_FUNCTION__ = "gst_stream_synchronizer_sink_chain"
>#19 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x7f242406abf0) at gstpad.c:4320
>        chainfunc = 0x7f246f5daa30 <gst_stream_synchronizer_sink_chain>
>        parent = 0x5627d2488290
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#20 gst_pad_push_data (pad=pad@entry=0x7f2424064e90, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x7f242406abf0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#21 0x00007f251adddf72 in gst_pad_push (pad=0x7f2424064e90, buffer=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#22 0x00007f246f352c20 in gst_tee_handle_data (tee=tee@entry=0x7f24200e2150, data=data@entry=0x7f24340321e0, is_list=is_list@entry=0) at gsttee.c:899
>        pad = 0x7f2424064e90
>        pads = <optimized out>
>        cookie = <optimized out>
>        ret = <optimized out>
>        cret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_tee_handle_data"
>#23 0x00007f246f352d6d in gst_tee_chain (pad=<optimized out>, parent=0x7f24200e2150, buffer=0x7f24340321e0) at gsttee.c:1022
>        res = <optimized out>
>        tee = 0x7f24200e2150
>        __PRETTY_FUNCTION__ = "gst_tee_chain"
>#24 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x7f243401d430) at gstpad.c:4320
>        chainfunc = 0x7f246f352d10 <gst_tee_chain>
>        parent = 0x7f24200e2150
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#25 gst_pad_push_data (pad=pad@entry=0x7f248c01bb30, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x7f243401d430
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#26 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f248c01bb30, buffer=buffer@entry=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#27 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24340321e0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f248c01bb30
>        __func__ = "gst_proxy_pad_chain_default"
>#28 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x5627d256d9c0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d2486ee0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#29 gst_pad_push_data (pad=pad@entry=0x7f243401d1e0, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x5627d256d9c0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#30 0x00007f251adddf72 in gst_pad_push (pad=0x7f243401d1e0, buffer=buffer@entry=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#31 0x00007f246f336061 in gst_selector_pad_chain (pad=0x5627d24a4f90, parent=0x7f24200e4160, buf=0x7f24340321e0) at gstinputselector.c:1131
>        sel = 0x7f24200e4160
>        res = <optimized out>
>        active_sinkpad = <optimized out>
>        prev_active_sinkpad = 0x0
>        selpad = 0x5627d24a4f90
>        __PRETTY_FUNCTION__ = "gst_selector_pad_chain"
>#32 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x5627d24a4f90) at gstpad.c:4320
>        chainfunc = 0x7f246f335650 <gst_selector_pad_chain>
>        parent = 0x7f24200e4160
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#33 gst_pad_push_data (pad=pad@entry=0x5627d256d740, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x5627d24a4f90
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#34 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d256d740, buffer=buffer@entry=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#35 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24340321e0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d256d740
>        __func__ = "gst_proxy_pad_chain_default"
>#36 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x7f248c01b8d0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d256d740
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#37 gst_pad_push_data (pad=pad@entry=0x7f2434016090, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x7f248c01b8d0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#38 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2434016090, buffer=buffer@entry=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#39 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24340321e0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2434016090
>        __func__ = "gst_proxy_pad_chain_default"
>#40 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340321e0, type=4112, pad=0x7f248c01acf0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2434016090
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#41 gst_pad_push_data (pad=pad@entry=0x7f2430017d80, type=type@entry=4112, data=data@entry=0x7f24340321e0) at gstpad.c:4576
>        peer = 0x7f248c01acf0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#42 0x00007f251adddf72 in gst_pad_push (pad=0x7f2430017d80, buffer=0x7f24340321e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#43 0x00007f251a8de62c in gst_audio_decoder_push_forward (dec=dec@entry=0x7f243401aa40, buf=<optimized out>) at gstaudiodecoder.c:958
>        klass = <optimized out>
>        priv = <optimized out>
>        ctx = <optimized out>
>        ret = <optimized out>
>        ts = <optimized out>
>        __func__ = "gst_audio_decoder_push_forward"
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_push_forward"
>#44 0x00007f251a8de971 in gst_audio_decoder_output (dec=dec@entry=0x7f243401aa40, buf=<optimized out>, buf@entry=0x7f24340321e0) at gstaudiodecoder.c:1034
>        priv = 0x7f243401a770
>        ret = <optimized out>
>        inbuf = 0x0
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_output"
>#45 0x00007f251a8e4f9a in gst_audio_decoder_finish_frame (dec=dec@entry=0x7f243401aa40, buf=buf@entry=0x7f24340321e0, frames=<optimized out>, frames@entry=1) at gstaudiodecoder.c:1380
>        priv = 0x7f243401a770
>        ctx = <optimized out>
>        klass = 0x7f248c01e650
>        samples = 1024
>        ts = <optimized out>
>        next_ts = <optimized out>
>        size = <optimized out>
>        ret = <optimized out>
>        inbufs = {head = 0x5627d2001b00, tail = 0x5627d2001b00, length = 1}
>        __func__ = "gst_audio_decoder_finish_frame"
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_finish_frame"
>#46 0x00007f243c19b9e3 in vorbis_handle_data_packet (timestamp=<optimized out>, duration=<optimized out>, packet=0x7f24177fd6d0, vd=0x7f243401aa40) at gstvorbisdec.c:515
>        pcm = 0x7f2410006c30
>        sample_count = 1024
>        out = 0x7f24340321e0
>        size = <optimized out>
>        map = {memory = 0x7f241c205000, flags = GST_MAP_WRITE, data = 0x7f241c205078 "oC\362:\241\006E<g-{\272\375N0<^w\340\070%o\206<\246\303m\272\215U\204<\363f\356\273%\301\241;\355\214J\274\210\326\374\273U\315;\274{\236\231\271\\g\031\274\262#%<\017\367#\274\071\241\006<<Z[\274K\304\212;x)}\274\263\316c\272\257\350y\274\221\004\224\271BA\255\274\230\t1\274\033 \326\274\226\004\326\274\006\177\242\274\217\272\273\273a\203\230\274e\016&;A4\323\274\372\005\250\274\204\354\344\274\267h\261\274\220\v\370\274\264\247\351\274g\207\361\274\237\205\v\275\226\233\261\274\201\265\065\274\026\343\247\274)\255\211\274#\v\235\274\363\237\271\274\024\335N\274\004-R\273\250\365`\274R\333\205\274"..., size = 8192, maxsize = 8192, user_data = {0x7f243002d550, 0x7f248c01e858, 0xf7, 0x7f243401a770}, _gst_reserved = {0x7f25187628f8 <g_list_append+24>, 0x7f243401a7a0, 0x7f243002d550, 0x7f243401aa58}}
>        result = GST_FLOW_OK
>        pcm = <optimized out>
>        sample_count = <optimized out>
>        out = <optimized out>
>        result = <optimized out>
>        map = <optimized out>
>        size = <optimized out>
>        __PRETTY_FUNCTION__ = "vorbis_handle_data_packet"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#47 vorbis_dec_handle_frame (dec=0x7f243401aa40, buffer=0x7f243002d550) at gstvorbisdec.c:701
>        timestamp = <optimized out>
>        duration = <optimized out>
>        packet = 0x7f24177fd6d0
>        packet_wrapper = {packet = 0x7f247f8d0ecc "\036\371\244J/|W\024\247[\364\071\241\313\321\213Od{\320S\214\333\337\302\245uP\373\346b\246\246\307\a\260\233\nK)\f<' \217#4#}9\220\240\321\062s\305\311Gy\273.u\333\016m\237\277<\246\032\266#R\317\366j\331\337\314\371\312$u:\006\314\253?\347\363\224k`\367\353W\254\264\266\004\002\372,\275\376\365\035", bytes = 247, b_o_s = 0, e_o_s = 0, granulepos = -1, packetno = 0}
>        result = <optimized out>
>        map = {memory = 0x7f246f8c17f8, flags = GST_MAP_READ, data = 0x7f247f8d0ecc "\036\371\244J/|W\024\247[\364\071\241\313\321\213Od{\320S\214\333\337\302\245uP\373\346b\246\246\307\a\260\233\nK)\f<' \217#4#}9\220\240\321\062s\305\311Gy\273.u\333\016m\237\277<\246\032\266#R\317\366j\331\337\314\371\312$u:\006\314\253?\347\363\224k`\367\353W\254\264\266\004\002\372,\275\376\365\035", size = 247, maxsize = 20908, user_data = {0x1f, 0x10, 0x7f251878459c <g_slice_free1+172>, 0x7f2434004160}, _gst_reserved = {0x7f243401a7a0, 0x0, 0x7f2518783e21 <g_slice_alloc+33>, 0x0}}
>        vd = 0x7f243401aa40
>        __PRETTY_FUNCTION__ = "vorbis_dec_handle_frame"
>#48 0x00007f251a8e1209 in gst_audio_decoder_push_buffers (dec=dec@entry=0x7f243401aa40, force=force@entry=0) at gstaudiodecoder.c:1540
>        klass = <optimized out>
>        priv = 0x7f243401a770
>        ctx = 0x7f243401a838
>        ret = <optimized out>
>        buffer = <optimized out>
>        av = 247
>        flush = 247
>        __func__ = "gst_audio_decoder_push_buffers"
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_push_buffers"
>        _g_boolean_var_ = <optimized out>
>#49 0x00007f251a8e15eb in gst_audio_decoder_chain_forward (dec=dec@entry=0x7f243401aa40, buffer=0x0, buffer@entry=0x7f243002d550) at gstaudiodecoder.c:1654
>        ret = GST_FLOW_OK
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_chain_forward"
>#50 0x00007f251a8e2847 in gst_audio_decoder_chain (pad=<optimized out>, parent=0x7f243401aa40, buffer=0x7f243002d550) at gstaudiodecoder.c:1914
>        dec = 0x7f243401aa40
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_chain"
>#51 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f243002d550, type=4112, pad=0x7f2430017b30) at gstpad.c:4320
>        chainfunc = 0x7f251a8e25e0 <gst_audio_decoder_chain>
>        parent = 0x7f243401aa40
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#52 gst_pad_push_data (pad=pad@entry=0x7f2430016fa0, type=type@entry=4112, data=data@entry=0x7f243002d550) at gstpad.c:4576
>        peer = 0x7f2430017b30
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#53 0x00007f251adddf72 in gst_pad_push (pad=0x7f2430016fa0, buffer=buffer@entry=0x7f243002d550) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#54 0x00007f246f33ed9d in gst_single_queue_push_one (allow_drop=<synthetic pointer>, object=0x7f243002d550, sq=0x7f2434019140, mq=0x7f248c006de0) at gstmultiqueue.c:1643
>        buffer = 0x7f243002d550
>        timestamp = 2065000000
>        duration = <optimized out>
>        result = GST_FLOW_OK
>        result = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_single_queue_push_one"
>        buffer = <optimized out>
>        timestamp = <optimized out>
>        duration = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        res = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#55 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1963
>        sq = 0x7f2434019140
>        item = <optimized out>
>        sitem = 0x7f24200f5630
>        mq = 0x7f248c006de0
>        object = <optimized out>
>        newid = 192
>        result = <optimized out>
>        next_time = <optimized out>
>        is_buffer = 1
>        do_update_buffering = 0
>        dropping = 0
>        __PRETTY_FUNCTION__ = "gst_multi_queue_loop"
>#56 0x00007f251ae0b731 in gst_task_func (task=0x7f2430011710) at gsttask.c:332
>        lock = 0x7f2430017010
>        tself = 0x7f2434010990
>        priv = 0x7f24300116c0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#57 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21dfb90
>        pool = 0x5627d1ee16e0
>#58 0x00007f251878ecea in g_thread_proxy (data=0x7f2434010990) at gthread.c:784
>        thread = 0x7f2434010990
>        __func__ = "g_thread_proxy"
>#59 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139792989808384, 2119584164780380845, 139793654536686, 139793654536687, 139793654536816, 139793654536816, -2079985252305530195, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#60 0x00007f2515dba31f in vmsplice (fd=394258176, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 394250416
>        sc_ret = <optimized out>
>#61 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 9 (Thread 0x7f24977fa700 (LWP 2257)):
>#0  __pthread_cond_wait_common (abstime=0x0, mutex=0x5627d1e75ee8, cond=0x5627d1e75f10) at pthread_cond_wait.c:497
>        spin = 0
>        buffer = {__routine = 0x7f251d07e270 <__condvar_cancel_waiting+304>, __arg = 0x7f24977f9a80, __canceltype = 576, __prev = 0x0}
>        cbuffer = {wseq = 0, cond = 0x5627d1e75f10, mutex = 0x5627d1e75ee8, private = 0}
>        rt = <optimized out>
>        err = <optimized out>
>        g = 0
>        flags = <optimized out>
>        g1_start = <optimized out>
>        signals = <optimized out>
>        result = 0
>        wseq = 0
>        seq = 0
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#1  __pthread_cond_wait (cond=0x5627d1e75f10, mutex=0x5627d1e75ee8) at pthread_cond_wait.c:655
>No locals.
>#2  0x00007f24ad5c72d3 in ?? () from /usr/lib64/dri/nouveau_dri.so
>No symbol table info available.
>#3  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 10 (Thread 0x7f24fe1ff700 (LWP 2243)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=139795414127584) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 139795414125344, st_ino = 139797300927174, st_nlink = 139797424825072, st_mode = 4264513536, st_uid = 32548, st_gid = 2818575136, __pad0 = 32548, st_rdev = 139797430800256, st_size = 139642240231936, st_blksize = -5366633138913547008, st_blocks = 139796860080128, st_atim = {tv_sec = 139796860088400, tv_nsec = 139796860080152}, st_mtim = {tv_sec = 0, tv_nsec = 1}, st_ctim = {tv_sec = 139797430634511, tv_nsec = 0}, __glibc_reserved = {0, 0, 140732255921086}}
>        increment = <optimized out>
>#1  0x00007ffec81f63bf in ?? ()
>No symbol table info available.
>#2  0x00007ffec81f6450 in ?? ()
>No symbol table info available.
>#3  0x00007ffec81f6450 in ?? ()
>No symbol table info available.
>#4  0xe323baae8a4712ad in ?? ()
>No symbol table info available.
>#5  0xe3207c9e571112ad in ?? ()
>No symbol table info available.
>#6  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 11 (Thread 0x7f24555e2700 (LWP 2304)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d2569410, mutex=mutex@entry=0x5627d25693c8) at gthread-posix.c:1402
>        sampled = 1
>#2  0x00007f251ae0b92b in gst_task_func (task=0x5627d25693b0) at gsttask.c:317
>        lock = 0x5627d2577190
>        tself = 0x5627d257fc00
>        priv = 0x5627d2569360
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#3  0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21ced80
>        pool = 0x5627d1ee16e0
>#4  0x00007f251878ecea in g_thread_proxy (data=0x5627d257fc00) at gthread.c:784
>        thread = 0x5627d257fc00
>        __func__ = "g_thread_proxy"
>#5  0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139794027783936, 2119584164780380845, 140732255917502, 140732255917503, 140732255917632, 140732255917632, -2079840398091021651, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#6  0x00007f2515dba31f in vmsplice (fd=1432233728, iov=0x80, count=1, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = -766077936
>        sc_ret = <optimized out>
>#7  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 12 (Thread 0x7f2416ffd700 (LWP 2318)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d24df4d0, mutex=mutex@entry=0x5627d24df4c8) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f251b0d0230 in gst_base_sink_wait_preroll (sink=sink@entry=0x5627d24df3a0) at gstbasesink.c:2267
>        __PRETTY_FUNCTION__ = "gst_base_sink_wait_preroll"
>#3  0x00007f251b0d07c8 in gst_base_sink_do_preroll (sink=sink@entry=0x5627d24df3a0, obj=obj@entry=0x7f248c002660) at gstbasesink.c:2361
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_base_sink_do_preroll"
>        __func__ = "gst_base_sink_do_preroll"
>#4  0x00007f251b0d0eca in gst_base_sink_do_sync (basesink=basesink@entry=0x5627d24df3a0, obj=obj@entry=0x7f248c002660, late=late@entry=0x7f2416ffc110, step_end=step_end@entry=0x7f2416ffc114) at gstbasesink.c:2564
>        jitter = 0
>        syncable = <optimized out>
>        status = <optimized out>
>        rstart = 0
>        rstop = 2902494
>        rnext = 2902494
>        sstart = 0
>        sstop = 2902494
>        stime = <optimized out>
>        do_sync = 0
>        priv = 0x5627d24df1c0
>        ret = <optimized out>
>        current = 0x5627d24df2a0
>        pending = 0x5627d24df300
>        stepped = 0
>        __PRETTY_FUNCTION__ = "gst_base_sink_do_sync"
>#5  0x00007f251b0d24d8 in gst_base_sink_chain_unlocked (basesink=basesink@entry=0x5627d24df3a0, obj=obj@entry=0x7f248c002660, is_list=is_list@entry=0, pad=<optimized out>) at gstbasesink.c:3513
>        bclass = 0x5627d24d3420
>        priv = 0x5627d24df1c0
>        ret = <optimized out>
>        start = 0
>        end = 2902494
>        segment = 0x5627d24df4f8
>        sync_buf = 0x7f248c002660
>        late = 0
>        step_end = 0
>        prepared = 0
>        __func__ = "gst_base_sink_chain_unlocked"
>        __PRETTY_FUNCTION__ = "gst_base_sink_chain_unlocked"
>        _g_boolean_var_ = <optimized out>
>#6  0x00007f251b0d37a0 in gst_base_sink_chain_main (basesink=0x5627d24df3a0, pad=<optimized out>, obj=0x7f248c002660, is_list=0) at gstbasesink.c:3672
>        result = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_base_sink_chain_main"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#7  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002660, type=4112, pad=0x5627d24e0070) at gstpad.c:4320
>        chainfunc = 0x7f251b0d38f0 <gst_base_sink_chain>
>        parent = 0x5627d24df3a0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  gst_pad_push_data (pad=pad@entry=0x5627d2494580, type=type@entry=4112, data=data@entry=0x7f248c002660) at gstpad.c:4576
>        peer = 0x5627d24e0070
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#9  0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d2494580, buffer=buffer@entry=0x7f248c002660) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#10 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c002660) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d2494580
>        __func__ = "gst_proxy_pad_chain_default"
>#11 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002660, type=4112, pad=0x5627d24926a0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d249b220
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#12 gst_pad_push_data (pad=pad@entry=0x5627d24b0070, type=type@entry=4112, data=data@entry=0x7f248c002660) at gstpad.c:4576
>        peer = 0x5627d24926a0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#13 0x00007f251adddf72 in gst_pad_push (pad=0x5627d24b0070, buffer=0x7f248c002660) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#14 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24af330, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d24af330
>        klass = 0x5627d24ab940
>        priv = 0x5627d24af260
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002660
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#15 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002660, type=4112, pad=0x5627d2491cb0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24af330
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#16 gst_pad_push_data (pad=pad@entry=0x5627d24915c0, type=type@entry=4112, data=data@entry=0x7f248c002660) at gstpad.c:4576
>        peer = 0x5627d2491cb0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#17 0x00007f251adddf72 in gst_pad_push (pad=0x5627d24915c0, buffer=0x7f248c002660) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#18 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24aacb0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d24aacb0
>        klass = 0x5627d24a7c30
>        priv = 0x5627d24aabe0
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002660
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#19 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002660, type=4112, pad=0x5627d2491370) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24aacb0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#20 gst_pad_push_data (pad=pad@entry=0x5627d24b0510, type=type@entry=4112, data=data@entry=0x7f248c002660) at gstpad.c:4576
>        peer = 0x5627d2491370
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#21 0x00007f251adddf72 in gst_pad_push (pad=0x5627d24b0510, buffer=0x7f248c002660) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#22 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24b3110, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d24b3110
>        klass = 0x5627d24b2830
>        priv = 0x5627d24b3040
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002660
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#23 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002660, type=4112, pad=0x5627d24b02c0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24b3110
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#24 gst_pad_push_data (pad=pad@entry=0x5627d2491a60, type=type@entry=4112, data=data@entry=0x7f248c002660) at gstpad.c:4576
>        peer = 0x5627d24b02c0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#25 0x00007f251adddf72 in gst_pad_push (pad=0x5627d2491a60, buffer=0x7f248c002660) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#26 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24ae0f0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d24ae0f0
>        klass = 0x5627d24ab940
>        priv = 0x5627d24ae020
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002660
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#27 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002660, type=4112, pad=0x5627d2491810) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24ae0f0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#28 gst_pad_push_data (pad=pad@entry=0x5627d2491120, type=type@entry=4112, data=data@entry=0x7f248c002660) at gstpad.c:4576
>        peer = 0x5627d2491810
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#29 0x00007f251adddf72 in gst_pad_push (pad=0x5627d2491120, buffer=0x7f248c002660) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#30 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d2496750, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d2496750
>        klass = 0x5627d24a7c30
>        priv = 0x5627d2496680
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002660
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#31 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002660, type=4112, pad=0x5627d2490ed0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d2496750
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#32 gst_pad_push_data (pad=pad@entry=0x5627d2490c80, type=type@entry=4112, data=data@entry=0x7f248c002660) at gstpad.c:4576
>        peer = 0x5627d2490ed0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#33 0x00007f251adddf72 in gst_pad_push (pad=0x5627d2490c80, buffer=buffer@entry=0x7f248c002660) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#34 0x00007f246f343eb7 in gst_queue_push_one (queue=0x5627d24a4050) at gstqueue.c:1384
>        buffer = 0x7f248c002660
>        data = <optimized out>
>        is_list = <optimized out>
>        result = <optimized out>
>        result = <optimized out>
>        data = <optimized out>
>        is_list = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_push_one"
>        buffer = <optimized out>
>        subbuffer = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        buffer_list = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#35 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1537
>        queue = 0x5627d24a4050
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#36 0x00007f251ae0b731 in gst_task_func (task=0x7f2410081830) at gsttask.c:332
>        lock = 0x5627d2490cf0
>        tself = 0x7f2410002f20
>        priv = 0x7f24100817e0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#37 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21ecba0
>        pool = 0x5627d1ee16e0
>#38 0x00007f251878ecea in g_thread_proxy (data=0x7f2410002f20) at gthread.c:784
>        thread = 0x7f2410002f20
>        __func__ = "g_thread_proxy"
>#39 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139792981415680, 2119584164780380845, 139792989797790, 139792989797791, 139792989797920, 139792989797920, -2079981954307517779, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#40 0x00007f2515dba31f in vmsplice (fd=385865472, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = -766643272
>        sc_ret = <optimized out>
>#41 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 13 (Thread 0x7f24157fa700 (LWP 2321)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d24a45f8, mutex=mutex@entry=0x5627d24a45d0) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f246f344b7e in gst_queue_chain_buffer_or_list (parent=0x5627d24a4350, obj=0x7f248c0322f0, is_list=0, pad=<optimized out>) at gstqueue.c:1247
>        queue = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_chain_buffer_or_list"
>#3  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c0322f0, type=4112, pad=0x5627d24e10a0) at gstpad.c:4320
>        chainfunc = 0x7f246f345670 <gst_queue_chain>
>        parent = 0x5627d24a4350
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#4  gst_pad_push_data (pad=pad@entry=0x5627d2495d30, type=type@entry=4112, data=data@entry=0x7f248c0322f0) at gstpad.c:4576
>        peer = 0x5627d24e10a0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#5  0x00007f251adddf72 in gst_pad_push (pad=0x5627d2495d30, buffer=0x7f248c0322f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#6  0x00007f246f352c20 in gst_tee_handle_data (tee=tee@entry=0x7f24f8016930, data=data@entry=0x7f248c0322f0, is_list=is_list@entry=0) at gsttee.c:899
>        pad = 0x5627d2495d30
>        pads = <optimized out>
>        cookie = <optimized out>
>        ret = <optimized out>
>        cret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_tee_handle_data"
>#7  0x00007f246f352d6d in gst_tee_chain (pad=<optimized out>, parent=0x7f24f8016930, buffer=0x7f248c0322f0) at gsttee.c:1022
>        res = <optimized out>
>        tee = 0x7f24f8016930
>        __PRETTY_FUNCTION__ = "gst_tee_chain"
>#8  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c0322f0, type=4112, pad=0x5627d24e0e50) at gstpad.c:4320
>        chainfunc = 0x7f246f352d10 <gst_tee_chain>
>        parent = 0x7f24f8016930
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#9  gst_pad_push_data (pad=pad@entry=0x5627d2495ae0, type=type@entry=4112, data=data@entry=0x7f248c0322f0) at gstpad.c:4576
>        peer = 0x5627d24e0e50
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#10 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d2495ae0, buffer=buffer@entry=0x7f248c0322f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#11 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c0322f0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d2495ae0
>        __func__ = "gst_proxy_pad_chain_default"
>#12 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c0322f0, type=4112, pad=0x5627d2493820) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d248a750
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#13 gst_pad_push_data (pad=pad@entry=0x7f2424062580, type=type@entry=4112, data=data@entry=0x7f248c0322f0) at gstpad.c:4576
>        peer = 0x5627d2493820
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#14 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2424062580, buffer=buffer@entry=0x7f248c0322f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#15 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c0322f0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2424062580
>        __func__ = "gst_proxy_pad_chain_default"
>#16 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c0322f0, type=4112, pad=0x7f2424064060) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2424062580
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#17 gst_pad_push_data (pad=pad@entry=0x7f242406bc20, type=type@entry=4112, data=data@entry=0x7f248c0322f0) at gstpad.c:4576
>        peer = 0x7f2424064060
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#18 0x00007f251adddf72 in gst_pad_push (pad=0x7f242406bc20, buffer=0x7f248c0322f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#19 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f242406c8c0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f242406c8c0
>        klass = 0x5627d24ab940
>        priv = 0x7f242406c7f0
>        ret = <optimized out>
>        position = 1030061224
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c0322f0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#20 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c0322f0, type=4112, pad=0x7f242406b9d0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f242406c8c0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#21 gst_pad_push_data (pad=pad@entry=0x7f242406a500, type=type@entry=4112, data=data@entry=0x7f248c0322f0) at gstpad.c:4576
>        peer = 0x7f242406b9d0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#22 0x00007f251adddf72 in gst_pad_push (pad=0x7f242406a500, buffer=0x7f248c0322f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#23 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f242406c0d0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f242406c0d0
>        klass = 0x5627d24a7c30
>        priv = 0x7f242406c000
>        ret = <optimized out>
>        position = 1030061224
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c0322f0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#24 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c0322f0, type=4112, pad=0x7f242406a2b0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f242406c0d0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#25 gst_pad_push_data (pad=pad@entry=0x7f242c0e5d80, type=type@entry=4112, data=data@entry=0x7f248c0322f0) at gstpad.c:4576
>        peer = 0x7f242406a2b0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#26 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e5d80, buffer=buffer@entry=0x7f248c0322f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#27 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c0322f0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e5d80
>        __func__ = "gst_proxy_pad_chain_default"
>#28 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c0322f0, type=4112, pad=0x7f2424062300) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24c93b0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#29 gst_pad_push_data (pad=pad@entry=0x7f2410084d50, type=type@entry=4112, data=data@entry=0x7f248c0322f0) at gstpad.c:4576
>        peer = 0x7f2424062300
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#30 0x00007f251adddf72 in gst_pad_push (pad=0x7f2410084d50, buffer=buffer@entry=0x7f248c0322f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#31 0x00007f246f343eb7 in gst_queue_push_one (queue=0x7f24280ed550) at gstqueue.c:1384
>        buffer = 0x7f248c0322f0
>        data = <optimized out>
>        is_list = <optimized out>
>        result = <optimized out>
>        result = <optimized out>
>        data = <optimized out>
>        is_list = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_push_one"
>        buffer = <optimized out>
>        subbuffer = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        buffer_list = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#32 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1537
>        queue = 0x7f24280ed550
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#33 0x00007f251ae0b731 in gst_task_func (task=0x7f24100813b0) at gsttask.c:332
>        lock = 0x7f2410084dc0
>        tself = 0x7f2418069c50
>        priv = 0x7f2410081360
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#34 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21eb370
>        pool = 0x5627d1ee16e0
>#35 0x00007f251878ecea in g_thread_proxy (data=0x7f2418069c50) at gthread.c:784
>        thread = 0x7f2418069c50
>        __func__ = "g_thread_proxy"
>#36 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139792956237568, 2119584164780380845, 139793132408222, 139793132408223, 139793132408352, 139793132408352, -2079980856406502739, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#37 0x00007f2515dba31f in vmsplice (fd=360687360, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#38 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 14 (Thread 0x7f24fd9fe700 (LWP 2244)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=139795279909856) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 139795279907616, st_ino = 139797300927174, st_nlink = 139797424825072, st_mode = 4264501248, st_uid = 32548, st_gid = 2684357408, __pad0 = 32548, st_rdev = 139797430800256, st_size = 139642231839232, st_blksize = -5366633138913547008, st_blocks = 139796860080200, st_atim = {tv_sec = 139796860088480, tv_nsec = 139796860080224}, st_mtim = {tv_sec = 0, tv_nsec = 1}, st_ctim = {tv_sec = 139797430634511, tv_nsec = 0}, __glibc_reserved = {0, 0, 140732255921086}}
>        increment = <optimized out>
>#1  0x00007ffec81f63bf in ?? ()
>No symbol table info available.
>#2  0x00007ffec81f6450 in ?? ()
>No symbol table info available.
>#3  0x00007ffec81f6450 in ?? ()
>No symbol table info available.
>#4  0xe323bdaeea4712ad in ?? ()
>No symbol table info available.
>#5  0xe3207c9e571112ad in ?? ()
>No symbol table info available.
>#6  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 15 (Thread 0x7f2417fff700 (LWP 2317)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d2559190, mutex=mutex@entry=0x5627d2559188) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f251b0d0230 in gst_base_sink_wait_preroll (sink=sink@entry=0x5627d2559060) at gstbasesink.c:2267
>        __PRETTY_FUNCTION__ = "gst_base_sink_wait_preroll"
>#3  0x00007f251b0d07c8 in gst_base_sink_do_preroll (sink=sink@entry=0x5627d2559060, obj=obj@entry=0x7f248c002000) at gstbasesink.c:2361
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_base_sink_do_preroll"
>        __func__ = "gst_base_sink_do_preroll"
>#4  0x00007f251b0d0eca in gst_base_sink_do_sync (basesink=basesink@entry=0x5627d2559060, obj=obj@entry=0x7f248c002000, late=late@entry=0x7f2417ffe110, step_end=step_end@entry=0x7f2417ffe114) at gstbasesink.c:2564
>        jitter = 0
>        syncable = <optimized out>
>        status = <optimized out>
>        rstart = 0
>        rstop = 2902494
>        rnext = 2902494
>        sstart = 0
>        sstop = 2902494
>        stime = <optimized out>
>        do_sync = 0
>        priv = 0x5627d2558e80
>        ret = <optimized out>
>        current = 0x5627d2558f60
>        pending = 0x5627d2558fc0
>        stepped = 0
>        __PRETTY_FUNCTION__ = "gst_base_sink_do_sync"
>#5  0x00007f251b0d24d8 in gst_base_sink_chain_unlocked (basesink=basesink@entry=0x5627d2559060, obj=obj@entry=0x7f248c002000, is_list=is_list@entry=0, pad=<optimized out>) at gstbasesink.c:3513
>        bclass = 0x5627d24d3420
>        priv = 0x5627d2558e80
>        ret = <optimized out>
>        start = 0
>        end = 2902494
>        segment = 0x5627d25591b8
>        sync_buf = 0x7f248c002000
>        late = 0
>        step_end = 0
>        prepared = 0
>        __func__ = "gst_base_sink_chain_unlocked"
>        __PRETTY_FUNCTION__ = "gst_base_sink_chain_unlocked"
>        _g_boolean_var_ = <optimized out>
>#6  0x00007f251b0d37a0 in gst_base_sink_chain_main (basesink=0x5627d2559060, pad=<optimized out>, obj=0x7f248c002000, is_list=0) at gstbasesink.c:3672
>        result = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_base_sink_chain_main"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#7  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002000, type=4112, pad=0x5627d2562880) at gstpad.c:4320
>        chainfunc = 0x7f251b0d38f0 <gst_base_sink_chain>
>        parent = 0x5627d2559060
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  gst_pad_push_data (pad=pad@entry=0x5627d2495880, type=type@entry=4112, data=data@entry=0x7f248c002000) at gstpad.c:4576
>        peer = 0x5627d2562880
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#9  0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d2495880, buffer=buffer@entry=0x7f248c002000) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#10 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c002000) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d2495880
>        __func__ = "gst_proxy_pad_chain_default"
>#11 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002000, type=4112, pad=0x5627d24935a0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d249b600
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#12 gst_pad_push_data (pad=pad@entry=0x5627d250e770, type=type@entry=4112, data=data@entry=0x7f248c002000) at gstpad.c:4576
>        peer = 0x5627d24935a0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#13 0x00007f251adddf72 in gst_pad_push (pad=0x5627d250e770, buffer=0x7f248c002000) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#14 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d25106d0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d25106d0
>        klass = 0x5627d24ab940
>        priv = 0x5627d2510600
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002000
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#15 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002000, type=4112, pad=0x5627d250e520) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d25106d0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#16 gst_pad_push_data (pad=pad@entry=0x5627d24e1c30, type=type@entry=4112, data=data@entry=0x7f248c002000) at gstpad.c:4576
>        peer = 0x5627d250e520
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#17 0x00007f251adddf72 in gst_pad_push (pad=0x5627d24e1c30, buffer=0x7f248c002000) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#18 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d250d2d0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d250d2d0
>        klass = 0x5627d24a7c30
>        priv = 0x5627d250d200
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002000
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#19 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002000, type=4112, pad=0x5627d24e19e0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d250d2d0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#20 gst_pad_push_data (pad=pad@entry=0x5627d250ec10, type=type@entry=4112, data=data@entry=0x7f248c002000) at gstpad.c:4576
>        peer = 0x5627d24e19e0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#21 0x00007f251adddf72 in gst_pad_push (pad=0x5627d250ec10, buffer=0x7f248c002000) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#22 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d2511600, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d2511600
>        klass = 0x5627d24b2830
>        priv = 0x5627d2511530
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002000
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#23 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002000, type=4112, pad=0x5627d250e9c0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d2511600
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#24 gst_pad_push_data (pad=pad@entry=0x5627d250e2d0, type=type@entry=4112, data=data@entry=0x7f248c002000) at gstpad.c:4576
>        peer = 0x5627d250e9c0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#25 0x00007f251adddf72 in gst_pad_push (pad=0x5627d250e2d0, buffer=0x7f248c002000) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#26 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d25100d0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d25100d0
>        klass = 0x5627d24ab940
>        priv = 0x5627d2510000
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002000
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#27 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002000, type=4112, pad=0x5627d250e080) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d25100d0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#28 gst_pad_push_data (pad=pad@entry=0x5627d24e1790, type=type@entry=4112, data=data@entry=0x7f248c002000) at gstpad.c:4576
>        peer = 0x5627d250e080
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#29 0x00007f251adddf72 in gst_pad_push (pad=0x5627d24e1790, buffer=0x7f248c002000) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#30 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d250cd00, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d250cd00
>        klass = 0x5627d24a7c30
>        priv = 0x5627d250cc30
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002000
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#31 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002000, type=4112, pad=0x5627d24e1540) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d250cd00
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#32 gst_pad_push_data (pad=pad@entry=0x5627d24e12f0, type=type@entry=4112, data=data@entry=0x7f248c002000) at gstpad.c:4576
>        peer = 0x5627d24e1540
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#33 0x00007f251adddf72 in gst_pad_push (pad=0x5627d24e12f0, buffer=buffer@entry=0x7f248c002000) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#34 0x00007f246f343eb7 in gst_queue_push_one (queue=0x5627d24a4350) at gstqueue.c:1384
>        buffer = 0x7f248c002000
>        data = <optimized out>
>        is_list = <optimized out>
>        result = <optimized out>
>        result = <optimized out>
>        data = <optimized out>
>        is_list = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_push_one"
>        buffer = <optimized out>
>        subbuffer = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        buffer_list = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#35 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1537
>        queue = 0x5627d24a4350
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#36 0x00007f251ae0b731 in gst_task_func (task=0x7f2410081290) at gsttask.c:332
>        lock = 0x5627d24e1360
>        tself = 0x7f24240710f0
>        priv = 0x7f2410081240
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#37 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21eb3c0
>        pool = 0x5627d1ee16e0
>#38 0x00007f251878ecea in g_thread_proxy (data=0x7f24240710f0) at gthread.c:784
>        thread = 0x7f24240710f0
>        __func__ = "g_thread_proxy"
>#39 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139792998201088, 2119584164780380845, 139793614380062, 139793614380063, 139793614380192, 139793614380192, -2079984154404515155, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#40 0x00007f2515dba31f in vmsplice (fd=402650880, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = -766144392
>        sc_ret = <optimized out>
>#41 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 16 (Thread 0x7f243cba4700 (LWP 2310)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x7f24280ed7f8, mutex=mutex@entry=0x7f24280ed7d0) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f246f344b7e in gst_queue_chain_buffer_or_list (parent=0x7f24280ed550, obj=0x7f24300297d0, is_list=0, pad=<optimized out>) at gstqueue.c:1247
>        queue = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_chain_buffer_or_list"
>#3  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x7f2410084b00) at gstpad.c:4320
>        chainfunc = 0x7f246f345670 <gst_queue_chain>
>        parent = 0x7f24280ed550
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#4  gst_pad_push_data (pad=pad@entry=0x5627d2562630, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x7f2410084b00
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#5  0x00007f251adddf72 in gst_pad_push (pad=0x5627d2562630, buffer=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#6  0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d255f050, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d255f050
>        klass = 0x5627d24cba00
>        priv = 0x5627d255ef80
>        ret = <optimized out>
>        position = 2059219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24300297d0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#7  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x5627d25623e0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d255f050
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  gst_pad_push_data (pad=pad@entry=0x7f2418061350, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x5627d25623e0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#9  0x00007f251adddf72 in gst_pad_push (pad=0x7f2418061350, buffer=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#10 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f24240618d0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f24240618d0
>        klass = 0x5627d24a7c30
>        priv = 0x7f2424061800
>        ret = <optimized out>
>        position = 2059219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24300297d0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#11 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x7f2418061100) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f24240618d0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#12 gst_pad_push_data (pad=pad@entry=0x7f24240642c0, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x7f2418061100
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#13 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24240642c0, buffer=buffer@entry=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#14 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300297d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24240642c0
>        __func__ = "gst_proxy_pad_chain_default"
>#15 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x7f2424062800) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f24240250d0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#16 gst_pad_push_data (pad=pad@entry=0x7f242406e2c0, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x7f2424062800
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#17 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242406e2c0, buffer=buffer@entry=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#18 0x00007f246f5dad8a in gst_stream_synchronizer_sink_chain (pad=0x7f242406e070, parent=0x5627d2488150, buffer=0x7f24300297d0) at gststreamsynchronizer.c:711
>        self = 0x5627d2488150
>        opad = 0x7f242406e2c0
>        ret = GST_FLOW_ERROR
>        stream = <optimized out>
>        duration = <optimized out>
>        timestamp = 2036000000
>        timestamp_end = 2059219955
>        __PRETTY_FUNCTION__ = "gst_stream_synchronizer_sink_chain"
>#19 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x7f242406e070) at gstpad.c:4320
>        chainfunc = 0x7f246f5daa30 <gst_stream_synchronizer_sink_chain>
>        parent = 0x5627d2488150
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#20 gst_pad_push_data (pad=pad@entry=0x7f2424065810, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x7f242406e070
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#21 0x00007f251adddf72 in gst_pad_push (pad=0x7f2424065810, buffer=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#22 0x00007f246f352c20 in gst_tee_handle_data (tee=tee@entry=0x7f24200e2690, data=data@entry=0x7f24300297d0, is_list=is_list@entry=0) at gsttee.c:899
>        pad = 0x7f2424065810
>        pads = <optimized out>
>        cookie = <optimized out>
>        ret = <optimized out>
>        cret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_tee_handle_data"
>#23 0x00007f246f352d6d in gst_tee_chain (pad=<optimized out>, parent=0x7f24200e2690, buffer=0x7f24300297d0) at gsttee.c:1022
>        res = <optimized out>
>        tee = 0x7f24200e2690
>        __PRETTY_FUNCTION__ = "gst_tee_chain"
>#24 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x7f243401dd70) at gstpad.c:4320
>        chainfunc = 0x7f246f352d10 <gst_tee_chain>
>        parent = 0x7f24200e2690
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#25 gst_pad_push_data (pad=pad@entry=0x7f24280e6530, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x7f243401dd70
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#26 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e6530, buffer=buffer@entry=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#27 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300297d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e6530
>        __func__ = "gst_proxy_pad_chain_default"
>#28 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x7f24280e4560) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24867c0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#29 gst_pad_push_data (pad=pad@entry=0x7f243401db20, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x7f24280e4560
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#30 0x00007f251adddf72 in gst_pad_push (pad=0x7f243401db20, buffer=buffer@entry=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#31 0x00007f246f336061 in gst_selector_pad_chain (pad=0x5627d24a5b90, parent=0x7f24200e46e0, buf=0x7f24300297d0) at gstinputselector.c:1131
>        sel = 0x7f24200e46e0
>        res = <optimized out>
>        active_sinkpad = <optimized out>
>        prev_active_sinkpad = 0x0
>        selpad = 0x5627d24a5b90
>        __PRETTY_FUNCTION__ = "gst_selector_pad_chain"
>#32 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x5627d24a5b90) at gstpad.c:4320
>        chainfunc = 0x7f246f335650 <gst_selector_pad_chain>
>        parent = 0x7f24200e46e0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#33 gst_pad_push_data (pad=pad@entry=0x7f24280e42e0, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x5627d24a5b90
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#34 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e42e0, buffer=buffer@entry=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#35 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300297d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e42e0
>        __func__ = "gst_proxy_pad_chain_default"
>#36 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x7f24280e62d0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f24280e42e0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#37 gst_pad_push_data (pad=pad@entry=0x7f2438004ae0, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x7f24280e62d0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#38 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2438004ae0, buffer=buffer@entry=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#39 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300297d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2438004ae0
>        __func__ = "gst_proxy_pad_chain_default"
>#40 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300297d0, type=4112, pad=0x7f24480258d0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2438004ae0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#41 gst_pad_push_data (pad=pad@entry=0x7f2430017440, type=type@entry=4112, data=data@entry=0x7f24300297d0) at gstpad.c:4576
>        peer = 0x7f24480258d0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#42 0x00007f251adddf72 in gst_pad_push (pad=0x7f2430017440, buffer=0x7f24300297d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#43 0x00007f251a8de62c in gst_audio_decoder_push_forward (dec=dec@entry=0x7f248c0205d0, buf=<optimized out>) at gstaudiodecoder.c:958
>        klass = <optimized out>
>        priv = <optimized out>
>        ctx = <optimized out>
>        ret = <optimized out>
>        ts = <optimized out>
>        __func__ = "gst_audio_decoder_push_forward"
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_push_forward"
>#44 0x00007f251a8de971 in gst_audio_decoder_output (dec=dec@entry=0x7f248c0205d0, buf=<optimized out>, buf@entry=0x7f24300297d0) at gstaudiodecoder.c:1034
>        priv = 0x7f248c020300
>        ret = <optimized out>
>        inbuf = 0x0
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_output"
>#45 0x00007f251a8e4f9a in gst_audio_decoder_finish_frame (dec=dec@entry=0x7f248c0205d0, buf=buf@entry=0x7f24300297d0, frames=<optimized out>, frames@entry=1) at gstaudiodecoder.c:1380
>        priv = 0x7f248c020300
>        ctx = <optimized out>
>        klass = 0x7f248c01e650
>        samples = 1024
>        ts = <optimized out>
>        next_ts = <optimized out>
>        size = <optimized out>
>        ret = <optimized out>
>        inbufs = {head = 0x5627d2012c20, tail = 0x5627d2012c20, length = 1}
>        __func__ = "gst_audio_decoder_finish_frame"
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_finish_frame"
>#46 0x00007f243c19b9e3 in vorbis_handle_data_packet (timestamp=<optimized out>, duration=<optimized out>, packet=0x7f243cba36d0, vd=0x7f248c0205d0) at gstvorbisdec.c:515
>        pcm = 0x7f2424007230
>        sample_count = 1024
>        out = 0x7f24300297d0
>        size = <optimized out>
>        map = {memory = 0x7f241c241000, flags = GST_MAP_WRITE, data = 0x7f241c241078 "\235\r\203;u2\271\275Y\330\a<I\223\261\275\343\"/<+)\253\275\253lL<\205D\245\275\336w}<\352\364\232\275\366\360\243<\177\375\213\275\273x\311<&\340|\275i\373\355<\027Yg\275iR\t=\304eW\275\345\016\025=\021\301L\275\357\374\033=<\240?\275^u+=\371\322\062\275\336\251G=$\361+\275\063\326e=\333\234\"\275\324\356}=\030\232\024\275\361\262\211=g\325\003\275\357f\223=e/\327\274\211h\232=m*\240\274:\037\241=\016_W\274v\366\247=\357d\302\273(\300\252=\222\214\266:s\345\250=E\227\377;\r\245\244=\320\037l<\231\331\240=\210n\257<i\305\241=z\020\343<"..., size = 8192, maxsize = 8192, user_data = {0x7f248c03e4e0, 0x7f248c01e858, 0x106, 0x7f248c020300}, _gst_reserved = {0x7f25187628f8 <g_list_append+24>, 0x7f248c020330, 0x7f248c03e4e0, 0x7f248c0205e8}}
>        result = GST_FLOW_OK
>        pcm = <optimized out>
>        sample_count = <optimized out>
>        out = <optimized out>
>        result = <optimized out>
>        map = <optimized out>
>        size = <optimized out>
>        __PRETTY_FUNCTION__ = "vorbis_handle_data_packet"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#47 vorbis_dec_handle_frame (dec=0x7f248c0205d0, buffer=0x7f248c03e4e0) at gstvorbisdec.c:701
>        timestamp = <optimized out>
>        duration = <optimized out>
>        packet = 0x7f243cba36d0
>        packet_wrapper = {packet = 0x7f247f89ce83 "\236\332m\364,jN\217'\255\r$9\375Fp\255s/\217S\275\333F\302\325\003\033\337XfG^\002\354\351\275\003\067\224\226\322\322t\342\272\321\177\001", bytes = 262, b_o_s = 0, e_o_s = 0, granulepos = -1, packetno = 0}
>        result = <optimized out>
>        map = {memory = 0x7f246f8c5e88, flags = GST_MAP_READ, data = 0x7f247f89ce83 "\236\332m\364,jN\217'\255\r$9\375Fp\255s/\217S\275\333F\302\325\003\033\337XfG^\002\354\351\275\003\067\224\226\322\322t\342\272\321\177\001", size = 262, maxsize = 16885, user_data = {0x1f, 0x10, 0x7f251878459c <g_slice_free1+172>, 0x7f248c004ae0}, _gst_reserved = {0x7f248c020330, 0x0, 0x7f2518783e21 <g_slice_alloc+33>, 0x0}}
>        vd = 0x7f248c0205d0
>        __PRETTY_FUNCTION__ = "vorbis_dec_handle_frame"
>#48 0x00007f251a8e1209 in gst_audio_decoder_push_buffers (dec=dec@entry=0x7f248c0205d0, force=force@entry=0) at gstaudiodecoder.c:1540
>        klass = <optimized out>
>        priv = 0x7f248c020300
>        ctx = 0x7f248c0203c8
>        ret = <optimized out>
>        buffer = <optimized out>
>        av = 262
>        flush = 262
>        __func__ = "gst_audio_decoder_push_buffers"
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_push_buffers"
>        _g_boolean_var_ = <optimized out>
>#49 0x00007f251a8e15eb in gst_audio_decoder_chain_forward (dec=dec@entry=0x7f248c0205d0, buffer=0x0, buffer@entry=0x7f248c03e4e0) at gstaudiodecoder.c:1654
>        ret = GST_FLOW_OK
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_chain_forward"
>#50 0x00007f251a8e2847 in gst_audio_decoder_chain (pad=<optimized out>, parent=0x7f248c0205d0, buffer=0x7f248c03e4e0) at gstaudiodecoder.c:1914
>        dec = 0x7f248c0205d0
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_chain"
>#51 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c03e4e0, type=4112, pad=0x7f24300171f0) at gstpad.c:4320
>        chainfunc = 0x7f251a8e25e0 <gst_audio_decoder_chain>
>        parent = 0x7f248c0205d0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#52 gst_pad_push_data (pad=pad@entry=0x7f2430005a90, type=type@entry=4112, data=data@entry=0x7f248c03e4e0) at gstpad.c:4576
>        peer = 0x7f24300171f0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#53 0x00007f251adddf72 in gst_pad_push (pad=0x7f2430005a90, buffer=buffer@entry=0x7f248c03e4e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#54 0x00007f246f33ed9d in gst_single_queue_push_one (allow_drop=<synthetic pointer>, object=0x7f248c03e4e0, sq=0x7f248c01f700, mq=0x7f248c006060) at gstmultiqueue.c:1643
>        buffer = 0x7f248c03e4e0
>        timestamp = 2036000000
>        duration = <optimized out>
>        result = GST_FLOW_OK
>        result = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_single_queue_push_one"
>        buffer = <optimized out>
>        timestamp = <optimized out>
>        duration = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        res = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#55 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1963
>        sq = 0x7f248c01f700
>        item = <optimized out>
>        sitem = 0x7f241805ca90
>        mq = 0x7f248c006060
>        object = <optimized out>
>        newid = 279
>        result = <optimized out>
>        next_time = <optimized out>
>        is_buffer = 1
>        do_update_buffering = 0
>        dropping = 0
>        __PRETTY_FUNCTION__ = "gst_multi_queue_loop"
>#56 0x00007f251ae0b731 in gst_task_func (task=0x7f2438015b90) at gsttask.c:332
>        lock = 0x7f2430005b00
>        tself = 0x7f248c01c230
>        priv = 0x7f2438015b40
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#57 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21c7600
>        pool = 0x5627d1ee16e0
>#58 0x00007f251878ecea in g_thread_proxy (data=0x7f248c01c230) at gthread.c:784
>        thread = 0x7f248c01c230
>        __func__ = "g_thread_proxy"
>#59 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793614391040, 2119584164780380845, 139795116317166, 139795116317167, 139795116317296, 139795116317296, -2080029824402386259, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#60 0x00007f2515dba31f in vmsplice (fd=1018840832, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 1018833072
>        sc_ret = <optimized out>
>#61 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 17 (Thread 0x7f2457fff700 (LWP 2299)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=94729032091072) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 0, st_ino = 140732255916510, st_nlink = 140732255916511, st_mode = 3528380464, st_uid = 22055, st_gid = 0, __pad0 = 0, st_rdev = 139797328336347, st_size = 94729031751536, st_blksize = 139797301095658, st_blocks = 0, st_atim = {tv_sec = 139797377549668, tv_nsec = 0}, st_mtim = {tv_sec = 139794071942912, tv_nsec = 139794071942912}, st_ctim = {tv_sec = 2119584164780380845, tv_nsec = 140732255916510}, __glibc_reserved = {140732255916511, 140732255916640, 140732255916640}}
>        increment = <optimized out>
>#1  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 18 (Thread 0x7f243e9ee700 (LWP 2307)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x7f24280ed4f8, mutex=mutex@entry=0x7f24280ed4d0) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f246f344b7e in gst_queue_chain_buffer_or_list (parent=0x7f24280ed250, obj=0x7f248c02c6d0, is_list=0, pad=<optimized out>) at gstqueue.c:1247
>        queue = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_chain_buffer_or_list"
>#3  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f24280eac80) at gstpad.c:4320
>        chainfunc = 0x7f246f345670 <gst_queue_chain>
>        parent = 0x7f24280ed250
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#4  gst_pad_push_data (pad=pad@entry=0x7f24280e7830, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f24280eac80
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#5  0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e7830, buffer=buffer@entry=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#6  0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c02c6d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e7830
>        __func__ = "gst_proxy_pad_chain_default"
>#7  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f24280e5960) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d2575c20
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  gst_pad_push_data (pad=pad@entry=0x7f2424062080, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f24280e5960
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#9  0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2424062080, buffer=buffer@entry=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#10 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c02c6d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2424062080
>        __func__ = "gst_proxy_pad_chain_default"
>#11 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f242c0e5b20) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2424062080
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#12 gst_pad_push_data (pad=pad@entry=0x7f2418060eb0, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f242c0e5b20
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#13 0x00007f251adddf72 in gst_pad_push (pad=0x7f2418060eb0, buffer=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#14 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f2418060c60) at gstpad.c:4320
>        chainfunc = 0x7f241e3c8530 <gst_deinterlace_chain>
>        parent = 0x7f242405fb50
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#15 gst_pad_push_data (pad=pad@entry=0x7f2410070ea0, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f2418060c60
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#16 0x00007f251adddf72 in gst_pad_push (pad=0x7f2410070ea0, buffer=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#17 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f242405b000, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f242405b000
>        klass = 0x7f241004f040
>        priv = 0x7f242405af30
>        ret = <optimized out>
>        position = 167000000
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c02c6d0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#18 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f2410070c50) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f242405b000
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#19 gst_pad_push_data (pad=pad@entry=0x7f24280e7a90, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f2410070c50
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#20 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e7a90, buffer=buffer@entry=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#21 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c02c6d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e7a90
>        __func__ = "gst_proxy_pad_chain_default"
>#22 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f24280e5be0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d2575dc0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#23 gst_pad_push_data (pad=pad@entry=0x7f2410070a00, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f24280e5be0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#24 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2410070a00, buffer=buffer@entry=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#25 0x00007f246f5dad8a in gst_stream_synchronizer_sink_chain (pad=0x7f24100707b0, parent=0x5627d2488150, buffer=0x7f248c02c6d0) at gststreamsynchronizer.c:711
>        self = 0x5627d2488150
>        opad = 0x7f2410070a00
>        ret = GST_FLOW_ERROR
>        stream = <optimized out>
>        duration = <optimized out>
>        timestamp = 167000000
>        timestamp_end = 18446744073709551615
>        __PRETTY_FUNCTION__ = "gst_stream_synchronizer_sink_chain"
>#26 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f24100707b0) at gstpad.c:4320
>        chainfunc = 0x7f246f5daa30 <gst_stream_synchronizer_sink_chain>
>        parent = 0x5627d2488150
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#27 gst_pad_push_data (pad=pad@entry=0x7f24280e6790, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f24100707b0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#28 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e6790, buffer=buffer@entry=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#29 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c02c6d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e6790
>        __func__ = "gst_proxy_pad_chain_default"
>#30 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f24280e47e0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24867c0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#31 gst_pad_push_data (pad=pad@entry=0x7f243401d8d0, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f24280e47e0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#32 0x00007f251adddf72 in gst_pad_push (pad=0x7f243401d8d0, buffer=buffer@entry=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#33 0x00007f246f336061 in gst_selector_pad_chain (pad=0x5627d24a5890, parent=0x7f24200e4580, buf=0x7f248c02c6d0) at gstinputselector.c:1131
>        sel = 0x7f24200e4580
>        res = <optimized out>
>        active_sinkpad = <optimized out>
>        prev_active_sinkpad = 0x0
>        selpad = 0x5627d24a5890
>        __PRETTY_FUNCTION__ = "gst_selector_pad_chain"
>#34 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x5627d24a5890) at gstpad.c:4320
>        chainfunc = 0x7f246f335650 <gst_selector_pad_chain>
>        parent = 0x7f24200e4580
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#35 gst_pad_push_data (pad=pad@entry=0x7f24280e4060, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x5627d24a5890
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#36 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e4060, buffer=buffer@entry=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#37 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c02c6d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e4060
>        __func__ = "gst_proxy_pad_chain_default"
>#38 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f24280e6070) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f24280e4060
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#39 gst_pad_push_data (pad=pad@entry=0x5627d1e2b580, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f24280e6070
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#40 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d1e2b580, buffer=buffer@entry=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#41 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c02c6d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d1e2b580
>        __func__ = "gst_proxy_pad_chain_default"
>#42 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c6d0, type=4112, pad=0x7f24480245d0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d1e2b580
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#43 gst_pad_push_data (pad=pad@entry=0x7f24300053a0, type=type@entry=4112, data=data@entry=0x7f248c02c6d0) at gstpad.c:4576
>        peer = 0x7f24480245d0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#44 0x00007f251adddf72 in gst_pad_push (pad=0x7f24300053a0, buffer=buffer@entry=0x7f248c02c6d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#45 0x00007f251a419d86 in gst_video_decoder_clip_and_push_buf (decoder=decoder@entry=0x7f248c013420, buf=buf@entry=0x7f248c02c6d0) at gstvideodecoder.c:3206
>        ret = GST_FLOW_OK
>        priv = 0x7f248c013280
>        start = <optimized out>
>        stop = <optimized out>
>        cstart = 167000000
>        cstop = 207000000
>        segment = <optimized out>
>        duration = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_video_decoder_clip_and_push_buf"
>#46 0x00007f251a42147b in gst_video_decoder_finish_frame (decoder=decoder@entry=0x7f248c013420, frame=0x0, frame@entry=0x7f2428004180) at gstvideodecoder.c:3061
>        ret = GST_FLOW_OK
>        decoder_class = <optimized out>
>        priv = 0x7f248c013280
>        output_buffer = 0x7f248c02c6d0
>        needs_reconfigure = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_video_decoder_finish_frame"
>#47 0x00007f243d7df709 in gst_vpx_dec_handle_frame (decoder=0x7f248c013420, frame=0x7f2428004180) at gstvpxdec.c:721
>        dec = 0x7f248c013420
>        ret = GST_FLOW_OK
>        status = <optimized out>
>        iter = 0x0
>        img = 0x7f2428003678
>        decoder_deadline = <optimized out>
>        deadline = <optimized out>
>        minfo = {memory = 0x7f248741fe10, flags = GST_MAP_READ, data = 0x7f247f892dfd "\206", size = 20, maxsize = 57979, user_data = {0x30, 0x70, 0x7f2515d46088 <mallochook+136>, 0x400}, _gst_reserved = {0x7f2518783727 <slab_allocator_alloc_chunk+215>, 0x7f2428003000, 0xb585e3980337ed00, 0x20}}
>        vpxclass = <optimized out>
>        fmt = GST_VIDEO_FORMAT_I420
>        __func__ = "gst_vpx_dec_handle_frame"
>#48 0x00007f251a41923b in gst_video_decoder_decode_frame (decoder=decoder@entry=0x7f248c013420, frame=0x7f2428004180) at gstvideodecoder.c:3416
>        priv = 0x7f248c013280
>        decoder_class = 0x7f248c010450
>        ret = GST_FLOW_OK
>        __func__ = "gst_video_decoder_decode_frame"
>        __PRETTY_FUNCTION__ = "gst_video_decoder_decode_frame"
>#49 0x00007f251a41bd54 in gst_video_decoder_chain_forward (decoder=decoder@entry=0x7f248c013420, buf=buf@entry=0x7f248c02c290, at_eos=at_eos@entry=0) at gstvideodecoder.c:2142
>        was_keyframe = <optimized out>
>        priv = 0x7f248c013280
>        klass = <optimized out>
>        ret = GST_FLOW_OK
>        __func__ = "gst_video_decoder_chain_forward"
>        __PRETTY_FUNCTION__ = "gst_video_decoder_chain_forward"
>#50 0x00007f251a41c43a in gst_video_decoder_chain (pad=<optimized out>, parent=0x7f248c013420, buf=0x7f248c02c290) at gstvideodecoder.c:2456
>        decoder = 0x7f248c013420
>        ret = GST_FLOW_OK
>        __PRETTY_FUNCTION__ = "gst_video_decoder_chain"
>#51 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c02c290, type=4112, pad=0x7f244001fcf0) at gstpad.c:4320
>        chainfunc = 0x7f251a41c120 <gst_video_decoder_chain>
>        parent = 0x7f248c013420
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#52 gst_pad_push_data (pad=pad@entry=0x7f244001faa0, type=type@entry=4112, data=data@entry=0x7f248c02c290) at gstpad.c:4576
>        peer = 0x7f244001fcf0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#53 0x00007f251adddf72 in gst_pad_push (pad=0x7f244001faa0, buffer=buffer@entry=0x7f248c02c290) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#54 0x00007f246f33ed9d in gst_single_queue_push_one (allow_drop=<synthetic pointer>, object=0x7f248c02c290, sq=0x7f248c00cbb0, mq=0x7f248c006060) at gstmultiqueue.c:1643
>        buffer = 0x7f248c02c290
>        timestamp = 167000000
>        duration = <optimized out>
>        result = GST_FLOW_OK
>        result = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_single_queue_push_one"
>        buffer = <optimized out>
>        timestamp = <optimized out>
>        duration = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        res = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#55 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1963
>        sq = 0x7f248c00cbb0
>        item = <optimized out>
>        sitem = 0x7f248c02aaa0
>        mq = 0x7f248c006060
>        object = <optimized out>
>        newid = 44
>        result = <optimized out>
>        next_time = <optimized out>
>        is_buffer = 1
>        do_update_buffering = 0
>        dropping = 0
>        __PRETTY_FUNCTION__ = "gst_multi_queue_loop"
>#56 0x00007f251ae0b731 in gst_task_func (task=0x7f2438015830) at gsttask.c:332
>        lock = 0x7f244001fb10
>        tself = 0x7f248c003320
>        priv = 0x7f24380157e0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#57 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21c7630
>        pool = 0x5627d1ee16e0
>#58 0x00007f251878ecea in g_thread_proxy (data=0x7f248c003320) at gthread.c:784
>        thread = 0x7f248c003320
>        __func__ = "g_thread_proxy"
>#59 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793646151424, 2119584164780380845, 139795116317166, 139795116317167, 139795116317296, 139795116317296, -2080034464040807763, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#60 0x00007f2515dba31f in vmsplice (fd=1050601216, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 671845568
>        sc_ret = <optimized out>
>#61 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 19 (Thread 0x7f24ffbe5700 (LWP 2240)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=139796756327504) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 139796894602783, st_ino = 139797303851448, st_nlink = 0, st_mode = 410414209, st_uid = 32549, st_gid = 3521185408, __pad0 = 22055, st_rdev = 139797301095658, st_size = 0, st_blksize = 139797377549668, st_blocks = 0, st_atim = {tv_sec = 139796886214400, tv_nsec = 139796886214400}, st_mtim = {tv_sec = 2119584164780380845, tv_nsec = 139796894602782}, st_ctim = {tv_sec = 139796894602783, tv_nsec = 139796894602912}, __glibc_reserved = {139796894602912, -2079614171962994003, -2080526008337755475}}
>        increment = <optimized out>
>#1  0xb585e3980337ed00 in ?? ()
>No symbol table info available.
>#2  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 20 (Thread 0x7f24167fc700 (LWP 2319)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d24a48f8, mutex=mutex@entry=0x5627d24a48d0) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f246f344b7e in gst_queue_chain_buffer_or_list (parent=0x5627d24a4650, obj=0x7f248c039b30, is_list=0, pad=<optimized out>) at gstqueue.c:1247
>        queue = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_chain_buffer_or_list"
>#3  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c039b30, type=4112, pad=0x5627d25638b0) at gstpad.c:4320
>        chainfunc = 0x7f246f345670 <gst_queue_chain>
>        parent = 0x5627d24a4650
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#4  gst_pad_push_data (pad=pad@entry=0x5627d25151a0, type=type@entry=4112, data=data@entry=0x7f248c039b30) at gstpad.c:4576
>        peer = 0x5627d25638b0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#5  0x00007f251adddf72 in gst_pad_push (pad=0x5627d25151a0, buffer=0x7f248c039b30) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#6  0x00007f246f352c20 in gst_tee_handle_data (tee=tee@entry=0x7f24f8016a80, data=data@entry=0x7f248c039b30, is_list=is_list@entry=0) at gsttee.c:899
>        pad = 0x5627d25151a0
>        pads = <optimized out>
>        cookie = <optimized out>
>        ret = <optimized out>
>        cret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_tee_handle_data"
>#7  0x00007f246f352d6d in gst_tee_chain (pad=<optimized out>, parent=0x7f24f8016a80, buffer=0x7f248c039b30) at gsttee.c:1022
>        res = <optimized out>
>        tee = 0x7f24f8016a80
>        __PRETTY_FUNCTION__ = "gst_tee_chain"
>#8  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c039b30, type=4112, pad=0x5627d2563660) at gstpad.c:4320
>        chainfunc = 0x7f246f352d10 <gst_tee_chain>
>        parent = 0x7f24f8016a80
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#9  gst_pad_push_data (pad=pad@entry=0x5627d2514f50, type=type@entry=4112, data=data@entry=0x7f248c039b30) at gstpad.c:4576
>        peer = 0x5627d2563660
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#10 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d2514f50, buffer=buffer@entry=0x7f248c039b30) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#11 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c039b30) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d2514f50
>        __func__ = "gst_proxy_pad_chain_default"
>#12 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c039b30, type=4112, pad=0x5627d256c840) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d248ac30
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#13 gst_pad_push_data (pad=pad@entry=0x7f242c0e3a10, type=type@entry=4112, data=data@entry=0x7f248c039b30) at gstpad.c:4576
>        peer = 0x5627d256c840
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#14 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e3a10, buffer=buffer@entry=0x7f248c039b30) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#15 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c039b30) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e3a10
>        __func__ = "gst_proxy_pad_chain_default"
>#16 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c039b30, type=4112, pad=0x7f242c0e5660) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f242c0e3a10
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#17 gst_pad_push_data (pad=pad@entry=0x7f242406a9a0, type=type@entry=4112, data=data@entry=0x7f248c039b30) at gstpad.c:4576
>        peer = 0x7f242c0e5660
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#18 0x00007f251adddf72 in gst_pad_push (pad=0x7f242406a9a0, buffer=0x7f248c039b30) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#19 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f24100884f0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f24100884f0
>        klass = 0x5627d24ab940
>        priv = 0x7f2410088420
>        ret = <optimized out>
>        position = 1046219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c039b30
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#20 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c039b30, type=4112, pad=0x7f242406a750) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f24100884f0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#21 gst_pad_push_data (pad=pad@entry=0x7f2410085b30, type=type@entry=4112, data=data@entry=0x7f248c039b30) at gstpad.c:4576
>        peer = 0x7f242406a750
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#22 0x00007f251adddf72 in gst_pad_push (pad=0x7f2410085b30, buffer=0x7f248c039b30) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#23 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f2410087d00, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f2410087d00
>        klass = 0x5627d24a7c30
>        priv = 0x7f2410087c30
>        ret = <optimized out>
>        position = 1046219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c039b30
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#24 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c039b30, type=4112, pad=0x7f24100858e0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f2410087d00
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#25 gst_pad_push_data (pad=pad@entry=0x7f242c0e5400, type=type@entry=4112, data=data@entry=0x7f248c039b30) at gstpad.c:4576
>        peer = 0x7f24100858e0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#26 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e5400, buffer=buffer@entry=0x7f248c039b30) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#27 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c039b30) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e5400
>        __func__ = "gst_proxy_pad_chain_default"
>#28 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c039b30, type=4112, pad=0x7f242c0e3790) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24c8bb0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#29 gst_pad_push_data (pad=pad@entry=0x7f2410084410, type=type@entry=4112, data=data@entry=0x7f248c039b30) at gstpad.c:4576
>        peer = 0x7f242c0e3790
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#30 0x00007f251adddf72 in gst_pad_push (pad=0x7f2410084410, buffer=buffer@entry=0x7f248c039b30) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#31 0x00007f246f343eb7 in gst_queue_push_one (queue=0x7f24280ec950) at gstqueue.c:1384
>        buffer = 0x7f248c039b30
>        data = <optimized out>
>        is_list = <optimized out>
>        result = <optimized out>
>        result = <optimized out>
>        data = <optimized out>
>        is_list = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_push_one"
>        buffer = <optimized out>
>        subbuffer = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        buffer_list = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#32 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1537
>        queue = 0x7f24280ec950
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#33 0x00007f251ae0b731 in gst_task_func (task=0x7f24200b7dd0) at gsttask.c:332
>        lock = 0x7f2410084480
>        tself = 0x7f2418069770
>        priv = 0x7f24200b7d80
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#34 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21e9200
>        pool = 0x5627d1ee16e0
>#35 0x00007f251878ecea in g_thread_proxy (data=0x7f2418069770) at gthread.c:784
>        thread = 0x7f2418069770
>        __func__ = "g_thread_proxy"
>#36 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139792973022976, 2119584164780380845, 139793132407838, 139793132407839, 139793132407968, 139793132407968, -2079983056503500115, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#37 0x00007f2515dba31f in vmsplice (fd=377472768, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 377468496
>        sc_ret = <optimized out>
>#38 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 21 (Thread 0x7f24fd1fd700 (LWP 2245)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=139795347018720) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 139795347016480, st_ino = 139797300927174, st_nlink = 139797424825072, st_mode = 4264476672, st_uid = 32548, st_gid = 2751466272, __pad0 = 32548, st_rdev = 139797430800256, st_size = 139642223446528, st_blksize = -5366633138913547008, st_blocks = 139796860080248, st_atim = {tv_sec = 139796860088560, tv_nsec = 139796860080272}, st_mtim = {tv_sec = 0, tv_nsec = 1}, st_ctim = {tv_sec = 139797430634511, tv_nsec = 0}, __glibc_reserved = {0, 0, 140732255921086}}
>        increment = <optimized out>
>#1  0x00007ffec81f63bf in ?? ()
>No symbol table info available.
>#2  0x00007ffec81f6450 in ?? ()
>No symbol table info available.
>#3  0x00007ffec81f6450 in ?? ()
>No symbol table info available.
>#4  0xe323bcaeca4712ad in ?? ()
>No symbol table info available.
>#5  0xe3207c9e571112ad in ?? ()
>No symbol table info available.
>#6  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 22 (Thread 0x7f24565e4700 (LWP 2302)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d248fd10, mutex=mutex@entry=0x5627d248fcc8) at gthread-posix.c:1402
>        sampled = 1
>#2  0x00007f251ae0b92b in gst_task_func (task=0x5627d248fcb0) at gsttask.c:317
>        lock = 0x5627d2562b40
>        tself = 0x5627d2504720
>        priv = 0x5627d248fc60
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#3  0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21ccb90
>        pool = 0x5627d1ee16e0
>#4  0x00007f251878ecea in g_thread_proxy (data=0x5627d2504720) at gthread.c:784
>        thread = 0x5627d2504720
>        __func__ = "g_thread_proxy"
>#5  0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139794044569344, 2119584164780380845, 140732255917502, 140732255917503, 140732255917632, 140732255917632, -2079842598188019027, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#6  0x00007f2515dba31f in vmsplice (fd=1449019136, iov=0x80, count=1, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = -766968560
>        sc_ret = <optimized out>
>#7  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 23 (Thread 0x7f243f9f0700 (LWP 2305)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x7f248c00fc30, mutex=mutex@entry=0x7f248c00fc08) at gthread-posix.c:1402
>        sampled = 160
>#2  0x00007f251b0ee243 in gst_data_queue_push (queue=0x7f248c00fc60, item=item@entry=0x7f2418075a70) at gstdataqueue.c:521
>        priv = 0x7f248c00fbe0
>        __func__ = "gst_data_queue_push"
>#3  0x00007f246f33dc2b in gst_multi_queue_chain (pad=<optimized out>, parent=<optimized out>, buffer=<optimized out>) at gstmultiqueue.c:2152
>        sq = 0x7f243001c130
>        mq = 0x7f248c006720
>        item = 0x7f2418075a70
>        curid = <optimized out>
>        timestamp = 2162000000
>        duration = 2000000
>        __PRETTY_FUNCTION__ = "gst_multi_queue_chain"
>#4  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f240001e2a0, type=4112, pad=0x7f2430016410) at gstpad.c:4320
>        chainfunc = 0x7f246f33db30 <gst_multi_queue_chain>
>        parent = 0x7f248c006720
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#5  gst_pad_push_data (pad=pad@entry=0x7f24300161c0, type=type@entry=4112, data=data@entry=0x7f240001e2a0) at gstpad.c:4576
>        peer = 0x7f2430016410
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#6  0x00007f251adddf72 in gst_pad_push (pad=0x7f24300161c0, buffer=buffer@entry=0x7f240001e2a0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#7  0x00007f243fdc5464 in gst_matroska_demux_parse_blockgroup_or_simpleblock (demux=demux@entry=0x7f2448034120, ebml=ebml@entry=0x7f243f9ef980, cluster_time=<optimized out>, is_simpleblock=is_simpleblock@entry=0, cluster_offset=<optimized out>) at matroska-demux.c:4095
>        sub = 0x7f240001e2a0
>        invisible_frame = 0
>        delta_unit = 0
>        duration = 2000000
>        lace_time = 2162000000
>        stream = 0x7f24300095f0
>        ret = <optimized out>
>        readblock = <optimized out>
>        id = 161
>        block_duration = 2
>        block_discardpadding = 0
>        buf = 0x7f2430036520
>        map = {memory = 0x7f246f8ba000, flags = GST_MAP_READ, data = 0x7f241f0c6220 "\202\br", size = 55, maxsize = 11864, user_data = {0x7f243f9ef8c4, 0x7f243f9ef95c, 0x7f2448034120, 0x9}, _gst_reserved = {0x7f243fdbc0d4 <gst_ebml_peek_id_full+132>, 0xd25a, 0x7f25187379dc <g_array_sized_new+172>, 0x7f243f9ef980}}
>        stream_num = 1
>        n = 0
>        laces = 1
>        size = 51
>        lace_size = 0x7f2430013340
>        time = <optimized out>
>        flags = <optimized out>
>        referenceblock = 0
>        offset = 53850
>        buffer_timestamp = <optimized out>
>        __func__ = "gst_matroska_demux_parse_blockgroup_or_simpleblock"
>#8  0x00007f243fdccdd4 in gst_matroska_demux_parse_id (demux=demux@entry=0x7f2448034120, id=<optimized out>, length=<optimized out>, needed=9) at matroska-demux.c:4777
>        ebml = {el = 0x7f2448034120, buf = 0x7f2430036850, offset = 53850, map = {memory = 0x7f246f8baf78, flags = GST_MAP_READ, data = 0x7f241f0c6212 "\240\001", size = 69, maxsize = 11878, user_data = {0x0, 0x0, 0x0, 0x0}, _gst_reserved = {0x0, 0x0, 0x0, 0x0}}, readers = 0x7f2430012a40}
>        ret = GST_FLOW_OK
>        read = 69
>        __func__ = "gst_matroska_demux_parse_id"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#9  0x00007f243fdd0c26 in gst_matroska_demux_loop (pad=<optimized out>) at matroska-demux.c:4963
>        demux = 0x7f2448034120
>        ret = GST_FLOW_OK
>        id = 160
>        length = 60
>        needed = 9
>        __func__ = "gst_matroska_demux_loop"
>#10 0x00007f251ae0b731 in gst_task_func (task=0x7f24380153b0) at gsttask.c:332
>        lock = 0x7f244001ed30
>        tself = 0x5627d21344f0
>        priv = 0x7f2438015360
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#11 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21d3400
>        pool = 0x5627d1ee16e0
>#12 0x00007f251878ecea in g_thread_proxy (data=0x5627d21344f0) at gthread.c:784
>        thread = 0x5627d21344f0
>        __func__ = "g_thread_proxy"
>#13 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793662936832, 2119584164780380845, 139794063543326, 139794063543327, 139794063543456, 139794063543456, -2080036664137805139, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#14 0x00007f2515dba31f in vmsplice (fd=1067386624, iov=0x80, count=160, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#15 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 24 (Thread 0x7f241dbba700 (LWP 2314)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=0x7f240801b190, mutex=0x7f240801b188) at gthread-posix.c:1402
>        sampled = 16
>#2  0x00007f251a1a6724 in gst_gl_window_default_send_message (window=0x7f240801b1a0, callback=<optimized out>, data=<optimized out>) at gstglwindow.c:603
>        message = {window = 0x7f240801b1a0, fired = 0, callback = 0x7f251a18abd0 <_gst_gl_context_thread_run_generic>, data = 0x7f241dbb8e60}
>#3  0x00007f251a18c745 in gst_gl_context_thread_add (context=<optimized out>, func=func@entry=0x7f251a1a1120 <_do_convert>, data=data@entry=0x7f240801f810) at gstglcontext.c:1583
>        window = 0x7f240801b1a0
>        rdata = {context = 0x7f240801a5b0, func = 0x7f251a1a1120 <_do_convert>, data = 0x7f240801f810}
>        __func__ = "gst_gl_context_thread_add"
>#4  0x00007f251a1a3698 in _gst_gl_color_convert_perform_unlocked (inbuf=0x7f2434034ce0, convert=0x7f240801f810) at gstglcolorconvert.c:1288
>        __func__ = "_gst_gl_color_convert_perform_unlocked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#5  gst_gl_color_convert_perform (convert=0x7f240801f810, inbuf=inbuf@entry=0x7f2434034ce0) at gstglcolorconvert.c:1270
>        ret = <optimized out>
>        __func__ = "gst_gl_color_convert_perform"
>#6  0x00007f246e8cb437 in gst_gl_color_convert_element_prepare_output_buffer (bt=0x5627d24c0ba0, inbuf=0x7f2434034ce0, outbuf=0x7f241dbb8f40) at gstglcolorconvertelement.c:215
>        convert = 0x5627d24c0ba0
>        bclass = 0x5627d24c2000
>        __PRETTY_FUNCTION__ = "gst_gl_color_convert_element_prepare_output_buffer"
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#7  0x00007f251b0ddf78 in default_generate_output (trans=0x5627d24c0ba0, outbuf=0x7f241dbb8f40) at gstbasetransform.c:2103
>        bclass = 0x5627d24c2000
>        priv = 0x5627d24c0ad0
>        ret = GST_FLOW_OK
>        inbuf = 0x7f2434034ce0
>        want_in_place = <optimized out>
>        __PRETTY_FUNCTION__ = "default_generate_output"
>#8  0x00007f251b0dd8f6 in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24c0ba0, buffer=<optimized out>) at gstbasetransform.c:2285
>        trans = 0x5627d24c0ba0
>        klass = 0x5627d24c2000
>        priv = 0x5627d24c0ad0
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#9  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434034ce0, type=4112, pad=0x5627d250f550) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24c0ba0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#10 gst_pad_push_data (pad=pad@entry=0x5627d250f300, type=type@entry=4112, data=data@entry=0x7f2434034ce0) at gstpad.c:4576
>        peer = 0x5627d250f550
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#11 0x00007f251adddf72 in gst_pad_push (pad=0x5627d250f300, buffer=0x7f2434034ce0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#12 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24c0820, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d24c0820
>        klass = 0x5627d24ba1b0
>        priv = 0x5627d24c0750
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f2434034ce0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#13 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24280043a0, type=4112, pad=0x5627d250f0b0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24c0820
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#14 gst_pad_push_data (pad=pad@entry=0x5627d2514110, type=type@entry=4112, data=data@entry=0x7f24280043a0) at gstpad.c:4576
>        peer = 0x5627d250f0b0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#15 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d2514110, buffer=buffer@entry=0x7f24280043a0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#16 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24280043a0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d2514110
>        __func__ = "gst_proxy_pad_chain_default"
>#17 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24280043a0, type=4112, pad=0x5627d2493aa0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d248a8f0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#18 gst_pad_push_data (pad=pad@entry=0x7f24280e56e0, type=type@entry=4112, data=data@entry=0x7f24280043a0) at gstpad.c:4576
>        peer = 0x5627d2493aa0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#19 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e56e0, buffer=buffer@entry=0x7f24280043a0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#20 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24280043a0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e56e0
>        __func__ = "gst_proxy_pad_chain_default"
>#21 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24280043a0, type=4112, pad=0x7f24280e75d0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f24280e56e0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#22 gst_pad_push_data (pad=pad@entry=0x7f242402c510, type=type@entry=4112, data=data@entry=0x7f24280043a0) at gstpad.c:4576
>        peer = 0x7f24280e75d0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#23 0x00007f251adddf72 in gst_pad_push (pad=0x7f242402c510, buffer=0x7f24280043a0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#24 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f24240537c0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f24240537c0
>        klass = 0x7f241004f040
>        priv = 0x7f24240536f0
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24280043a0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#25 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24280043a0, type=4112, pad=0x7f242402c760) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f24240537c0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#26 gst_pad_push_data (pad=pad@entry=0x7f242402c2c0, type=type@entry=4112, data=data@entry=0x7f24280043a0) at gstpad.c:4576
>        peer = 0x7f242402c760
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#27 0x00007f251adddf72 in gst_pad_push (pad=0x7f242402c2c0, buffer=0x7f24280043a0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#28 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f24240299e0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f24240299e0
>        klass = 0x7f241002a940
>        priv = 0x7f2424029910
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24280043a0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#29 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24280043a0, type=4112, pad=0x7f242402c070) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f24240299e0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#30 gst_pad_push_data (pad=pad@entry=0x7f242402d2f0, type=type@entry=4112, data=data@entry=0x7f24280043a0) at gstpad.c:4576
>        peer = 0x7f242402c070
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#31 0x00007f251adddf72 in gst_pad_push (pad=0x7f242402d2f0, buffer=0x7f24280043a0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#32 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f24240501e0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f24240501e0
>        klass = 0x7f2410058ff0
>        priv = 0x7f2424050110
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24280043a0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#33 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24280043a0, type=4112, pad=0x7f242402d540) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f24240501e0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#34 gst_pad_push_data (pad=pad@entry=0x7f242402d9e0, type=type@entry=4112, data=data@entry=0x7f24280043a0) at gstpad.c:4576
>        peer = 0x7f242402d540
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#35 0x00007f251adddf72 in gst_pad_push (pad=0x7f242402d9e0, buffer=0x7f24280043a0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#36 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f242402b2c0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f242402b2c0
>        klass = 0x7f241004f040
>        priv = 0x7f242402b1f0
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24280043a0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#37 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24280043a0, type=4112, pad=0x7f242402d790) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f242402b2c0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#38 gst_pad_push_data (pad=pad@entry=0x7f24280e7370, type=type@entry=4112, data=data@entry=0x7f24280043a0) at gstpad.c:4576
>        peer = 0x7f242402d790
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#39 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e7370, buffer=buffer@entry=0x7f24280043a0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#40 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24280043a0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e7370
>        __func__ = "gst_proxy_pad_chain_default"
>#41 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24280043a0, type=4112, pad=0x7f24280e5460) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24c91b0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#42 gst_pad_push_data (pad=pad@entry=0x7f24280eaed0, type=type@entry=4112, data=data@entry=0x7f24280043a0) at gstpad.c:4576
>        peer = 0x7f24280e5460
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#43 0x00007f251adddf72 in gst_pad_push (pad=0x7f24280eaed0, buffer=buffer@entry=0x7f24280043a0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#44 0x00007f246f343eb7 in gst_queue_push_one (queue=0x7f24280ed250) at gstqueue.c:1384
>        buffer = 0x7f24280043a0
>        data = <optimized out>
>        is_list = <optimized out>
>        result = <optimized out>
>        result = <optimized out>
>        data = <optimized out>
>        is_list = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_push_one"
>        buffer = <optimized out>
>        subbuffer = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        buffer_list = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#45 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1537
>        queue = 0x7f24280ed250
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#46 0x00007f251ae0b731 in gst_task_func (task=0x7f2410081170) at gsttask.c:332
>        lock = 0x7f24280eaf40
>        tself = 0x7f2428002140
>        priv = 0x7f2410081120
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#47 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21eb4c0
>        pool = 0x5627d1ee16e0
>#48 0x00007f251878ecea in g_thread_proxy (data=0x7f2428002140) at gthread.c:784
>        thread = 0x7f2428002140
>        __func__ = "g_thread_proxy"
>#49 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793094387456, 2119584164780380845, 139793614380446, 139793614380447, 139793614380576, 139793614380576, -2079961649312755027, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#50 0x00007f2515dba31f in vmsplice (fd=498837248, iov=0x80, count=16, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#51 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 25 (Thread 0x7f241cbb8700 (LWP 2316)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d2580d20, mutex=mutex@entry=0x5627d2580d18) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f251b0d0230 in gst_base_sink_wait_preroll (sink=sink@entry=0x5627d2580bf0) at gstbasesink.c:2267
>        __PRETTY_FUNCTION__ = "gst_base_sink_wait_preroll"
>#3  0x00007f251b0d07c8 in gst_base_sink_do_preroll (sink=sink@entry=0x5627d2580bf0, obj=obj@entry=0x7f248c002cc0) at gstbasesink.c:2361
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_base_sink_do_preroll"
>        __func__ = "gst_base_sink_do_preroll"
>#4  0x00007f251b0d0eca in gst_base_sink_do_sync (basesink=basesink@entry=0x5627d2580bf0, obj=obj@entry=0x7f248c002cc0, late=late@entry=0x7f241cbb7110, step_end=step_end@entry=0x7f241cbb7114) at gstbasesink.c:2564
>        jitter = 0
>        syncable = <optimized out>
>        status = <optimized out>
>        rstart = 0
>        rstop = 2902494
>        rnext = 2902494
>        sstart = 0
>        sstop = 2902494
>        stime = <optimized out>
>        do_sync = 0
>        priv = 0x5627d2580a10
>        ret = <optimized out>
>        current = 0x5627d2580af0
>        pending = 0x5627d2580b50
>        stepped = 0
>        __PRETTY_FUNCTION__ = "gst_base_sink_do_sync"
>#5  0x00007f251b0d24d8 in gst_base_sink_chain_unlocked (basesink=basesink@entry=0x5627d2580bf0, obj=obj@entry=0x7f248c002cc0, is_list=is_list@entry=0, pad=<optimized out>) at gstbasesink.c:3513
>        bclass = 0x5627d24d3420
>        priv = 0x5627d2580a10
>        ret = <optimized out>
>        start = 0
>        end = 2902494
>        segment = 0x5627d2580d48
>        sync_buf = 0x7f248c002cc0
>        late = 0
>        step_end = 0
>        prepared = 0
>        __func__ = "gst_base_sink_chain_unlocked"
>        __PRETTY_FUNCTION__ = "gst_base_sink_chain_unlocked"
>        _g_boolean_var_ = <optimized out>
>#6  0x00007f251b0d37a0 in gst_base_sink_chain_main (basesink=0x5627d2580bf0, pad=<optimized out>, obj=0x7f248c002cc0, is_list=0) at gstbasesink.c:3672
>        result = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_base_sink_chain_main"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#7  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002cc0, type=4112, pad=0x5627d25735a0) at gstpad.c:4320
>        chainfunc = 0x7f251b0d38f0 <gst_base_sink_chain>
>        parent = 0x5627d2580bf0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  gst_pad_push_data (pad=pad@entry=0x5627d2514cf0, type=type@entry=4112, data=data@entry=0x7f248c002cc0) at gstpad.c:4576
>        peer = 0x5627d25735a0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#9  0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d2514cf0, buffer=buffer@entry=0x7f248c002cc0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#10 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f248c002cc0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d2514cf0
>        __func__ = "gst_proxy_pad_chain_default"
>#11 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002cc0, type=4112, pad=0x5627d256c5c0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d249b9e0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#12 gst_pad_push_data (pad=pad@entry=0x5627d2572eb0, type=type@entry=4112, data=data@entry=0x7f248c002cc0) at gstpad.c:4576
>        peer = 0x5627d256c5c0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#13 0x00007f251adddf72 in gst_pad_push (pad=0x5627d2572eb0, buffer=0x7f248c002cc0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#14 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d256b150, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d256b150
>        klass = 0x5627d24ab940
>        priv = 0x5627d256b080
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002cc0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#15 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002cc0, type=4112, pad=0x5627d2572c60) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d256b150
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#16 gst_pad_push_data (pad=pad@entry=0x5627d2572570, type=type@entry=4112, data=data@entry=0x7f248c002cc0) at gstpad.c:4576
>        peer = 0x5627d2572c60
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#17 0x00007f251adddf72 in gst_pad_push (pad=0x5627d2572570, buffer=0x7f248c002cc0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#18 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d2568270, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d2568270
>        klass = 0x5627d24a7c30
>        priv = 0x5627d25681a0
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002cc0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#19 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002cc0, type=4112, pad=0x5627d2572320) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d2568270
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#20 gst_pad_push_data (pad=pad@entry=0x5627d2573350, type=type@entry=4112, data=data@entry=0x7f248c002cc0) at gstpad.c:4576
>        peer = 0x5627d2572320
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#21 0x00007f251adddf72 in gst_pad_push (pad=0x5627d2573350, buffer=0x7f248c002cc0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#22 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d256b750, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d256b750
>        klass = 0x5627d24b2830
>        priv = 0x5627d256b680
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002cc0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#23 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002cc0, type=4112, pad=0x5627d2573100) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d256b750
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#24 gst_pad_push_data (pad=pad@entry=0x5627d2572a10, type=type@entry=4112, data=data@entry=0x7f248c002cc0) at gstpad.c:4576
>        peer = 0x5627d2573100
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#25 0x00007f251adddf72 in gst_pad_push (pad=0x5627d2572a10, buffer=0x7f248c002cc0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#26 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d2568840, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d2568840
>        klass = 0x5627d24ab940
>        priv = 0x5627d2568770
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002cc0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#27 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002cc0, type=4112, pad=0x5627d25727c0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d2568840
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#28 gst_pad_push_data (pad=pad@entry=0x5627d25720d0, type=type@entry=4112, data=data@entry=0x7f248c002cc0) at gstpad.c:4576
>        peer = 0x5627d25727c0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#29 0x00007f251adddf72 in gst_pad_push (pad=0x5627d25720d0, buffer=0x7f248c002cc0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#30 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d255d9b0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d255d9b0
>        klass = 0x5627d24a7c30
>        priv = 0x5627d255d8e0
>        ret = <optimized out>
>        position = 2902494
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f248c002cc0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#31 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c002cc0, type=4112, pad=0x5627d2563d50) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d255d9b0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#32 gst_pad_push_data (pad=pad@entry=0x5627d2563b00, type=type@entry=4112, data=data@entry=0x7f248c002cc0) at gstpad.c:4576
>        peer = 0x5627d2563d50
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#33 0x00007f251adddf72 in gst_pad_push (pad=0x5627d2563b00, buffer=buffer@entry=0x7f248c002cc0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#34 0x00007f246f343eb7 in gst_queue_push_one (queue=0x5627d24a4650) at gstqueue.c:1384
>        buffer = 0x7f248c002cc0
>        data = <optimized out>
>        is_list = <optimized out>
>        result = <optimized out>
>        result = <optimized out>
>        data = <optimized out>
>        is_list = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_push_one"
>        buffer = <optimized out>
>        subbuffer = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        buffer_list = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#35 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1537
>        queue = 0x5627d24a4650
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#36 0x00007f251ae0b731 in gst_task_func (task=0x7f24200b7cb0) at gsttask.c:332
>        lock = 0x5627d2563b70
>        tself = 0x7f2410002d90
>        priv = 0x7f24200b7c60
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#37 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21e9030
>        pool = 0x5627d1ee16e0
>#38 0x00007f251878ecea in g_thread_proxy (data=0x7f2410002d90) at gthread.c:784
>        thread = 0x7f2410002d90
>        __func__ = "g_thread_proxy"
>#39 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793077602048, 2119584164780380845, 139792989797406, 139792989797407, 139792989797536, 139792989797536, -2079959444920790355, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#40 0x00007f2515dba31f in vmsplice (fd=482051840, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = -765981688
>        sc_ret = <optimized out>
>#41 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 26 (Thread 0x7f24963ff700 (LWP 2261)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d1e89510, mutex=mutex@entry=0x5627d1e894e8) at gthread-posix.c:1402
>        sampled = 46
>#2  0x00007f251b0ee243 in gst_data_queue_push (queue=0x5627d1e89540, item=item@entry=0x7f241008b6c0) at gstdataqueue.c:521
>        priv = 0x5627d1e894c0
>        __func__ = "gst_data_queue_push"
>#3  0x00007f246f33dc2b in gst_multi_queue_chain (pad=<optimized out>, parent=<optimized out>, buffer=<optimized out>) at gstmultiqueue.c:2152
>        sq = 0x7f248c00cbb0
>        mq = 0x7f248c006060
>        item = 0x7f241008b6c0
>        curid = <optimized out>
>        timestamp = 2208000000
>        duration = 18446744073709551615
>        __PRETTY_FUNCTION__ = "gst_multi_queue_chain"
>#4  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f240001ed40, type=4112, pad=0x7f244001f850) at gstpad.c:4320
>        chainfunc = 0x7f246f33db30 <gst_multi_queue_chain>
>        parent = 0x7f248c006060
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#5  gst_pad_push_data (pad=pad@entry=0x7f244001f600, type=type@entry=4112, data=data@entry=0x7f240001ed40) at gstpad.c:4576
>        peer = 0x7f244001f850
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#6  0x00007f251adddf72 in gst_pad_push (pad=0x7f244001f600, buffer=buffer@entry=0x7f240001ed40) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#7  0x00007f243fdc5464 in gst_matroska_demux_parse_blockgroup_or_simpleblock (demux=demux@entry=0x7f244001c0c0, ebml=ebml@entry=0x7f24963fe980, cluster_time=<optimized out>, is_simpleblock=is_simpleblock@entry=1, cluster_offset=<optimized out>) at matroska-demux.c:4095
>        sub = 0x7f240001ed40
>        invisible_frame = 0
>        delta_unit = 1
>        duration = 0
>        lace_time = 2208000000
>        stream = 0x7f248c001c00
>        ret = <optimized out>
>        readblock = <optimized out>
>        id = 163
>        block_duration = 18446744073709551615
>        block_discardpadding = 0
>        buf = 0x7f240c01f9d0
>        map = {memory = 0x7f246f8b0780, flags = GST_MAP_READ, data = 0x7f247f89e2c4 "\201\b\240", size = 777, maxsize = 11700, user_data = {0x400, 0x7f24100966d0, 0x7f2518737819 <g_array_maybe_expand+89>, 0x0}, _gst_reserved = {0x7f24100966d0, 0x38, 0x7f25187379dc <g_array_sized_new+172>, 0x7f24963fe980}}
>        stream_num = 0
>        n = 0
>        laces = 1
>        size = 773
>        lace_size = 0x7f248c007f30
>        time = <optimized out>
>        flags = <optimized out>
>        referenceblock = 0
>        offset = 54025
>        buffer_timestamp = <optimized out>
>        __func__ = "gst_matroska_demux_parse_blockgroup_or_simpleblock"
>#8  0x00007f243fdcc9cf in gst_matroska_demux_parse_id (demux=demux@entry=0x7f244001c0c0, id=<optimized out>, length=<optimized out>, needed=3) at matroska-demux.c:4787
>        ebml = {el = 0x7f244001c0c0, buf = 0x7f240001eb20, offset = 54025, map = {memory = 0x7f246f8b0708, flags = GST_MAP_READ, data = 0x7f247f89e2c1 "\243C\t\201\b\240", size = 780, maxsize = 11703, user_data = {0x0, 0x0, 0x0, 0x0}, _gst_reserved = {0x0, 0x0, 0x0, 0x0}}, readers = 0x7f24100966d0}
>        ret = GST_FLOW_OK
>        read = 780
>        __func__ = "gst_matroska_demux_parse_id"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#9  0x00007f243fdd0c26 in gst_matroska_demux_loop (pad=<optimized out>) at matroska-demux.c:4963
>        demux = 0x7f244001c0c0
>        ret = GST_FLOW_OK
>        id = 163
>        length = 777
>        needed = 3
>        __func__ = "gst_matroska_demux_loop"
>#10 0x00007f251ae0b731 in gst_task_func (task=0x5627d2569830) at gsttask.c:332
>        lock = 0x5627d2577880
>        tself = 0x5627d213bde0
>        priv = 0x5627d25697e0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#11 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21dab30
>        pool = 0x5627d1ee16e0
>#12 0x00007f251878ecea in g_thread_proxy (data=0x5627d213bde0) at gthread.c:784
>        thread = 0x5627d213bde0
>        __func__ = "g_thread_proxy"
>#13 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139795116324608, 2119584164780380845, 140732255917790, 140732255917791, 140732255917920, 140732255917920, -2079701030160362835, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#14 0x00007f2515dba31f in vmsplice (fd=-1774192896, iov=0x80, count=46, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#15 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 27 (Thread 0x7f241ffff700 (LWP 2311)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x7f242c0e9298, mutex=mutex@entry=0x7f242c0e9270) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f246f344b7e in gst_queue_chain_buffer_or_list (parent=0x7f242c0e8ff0, obj=0x7f24300350d0, is_list=0, pad=<optimized out>) at gstqueue.c:1247
>        queue = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_chain_buffer_or_list"
>#3  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x7f242406b090) at gstpad.c:4320
>        chainfunc = 0x7f246f345670 <gst_queue_chain>
>        parent = 0x7f242c0e8ff0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#4  gst_pad_push_data (pad=pad@entry=0x5627d24b1c30, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x7f242406b090
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#5  0x00007f251adddf72 in gst_pad_push (pad=0x5627d24b1c30, buffer=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#6  0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24d6b20, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d24d6b20
>        klass = 0x5627d24cba00
>        priv = 0x5627d24d6a50
>        ret = <optimized out>
>        position = 2077219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24300350d0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#7  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x5627d24b19e0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24d6b20
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  gst_pad_push_data (pad=pad@entry=0x7f2418061c90, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x5627d24b19e0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#9  0x00007f251adddf72 in gst_pad_push (pad=0x7f2418061c90, buffer=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#10 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f241805e780, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f241805e780
>        klass = 0x5627d24a7c30
>        priv = 0x7f241805e6b0
>        ret = <optimized out>
>        position = 2077219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24300350d0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#11 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x7f2418061a40) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f241805e780
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#12 gst_pad_push_data (pad=pad@entry=0x7f2424064c40, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x7f2418061a40
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#13 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2424064c40, buffer=buffer@entry=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#14 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300350d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2424064c40
>        __func__ = "gst_proxy_pad_chain_default"
>#15 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x7f2424063200) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2424025750
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#16 gst_pad_push_data (pad=pad@entry=0x7f242406f540, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x7f2424063200
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#17 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242406f540, buffer=buffer@entry=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#18 0x00007f246f5dad8a in gst_stream_synchronizer_sink_chain (pad=0x7f242406f2f0, parent=0x5627d2488010, buffer=0x7f24300350d0) at gststreamsynchronizer.c:711
>        self = 0x5627d2488010
>        opad = 0x7f242406f540
>        ret = GST_FLOW_ERROR
>        stream = <optimized out>
>        duration = <optimized out>
>        timestamp = 2054000000
>        timestamp_end = 2077219955
>        __PRETTY_FUNCTION__ = "gst_stream_synchronizer_sink_chain"
>#19 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x7f242406f2f0) at gstpad.c:4320
>        chainfunc = 0x7f246f5daa30 <gst_stream_synchronizer_sink_chain>
>        parent = 0x5627d2488010
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#20 gst_pad_push_data (pad=pad@entry=0x7f24240742f0, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x7f242406f2f0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#21 0x00007f251adddf72 in gst_pad_push (pad=0x7f24240742f0, buffer=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#22 0x00007f246f352c20 in gst_tee_handle_data (tee=tee@entry=0x7f24200e2bd0, data=data@entry=0x7f24300350d0, is_list=is_list@entry=0) at gsttee.c:899
>        pad = 0x7f24240742f0
>        pads = <optimized out>
>        cookie = <optimized out>
>        ret = <optimized out>
>        cret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_tee_handle_data"
>#23 0x00007f246f352d6d in gst_tee_chain (pad=<optimized out>, parent=0x7f24200e2bd0, buffer=0x7f24300350d0) at gsttee.c:1022
>        res = <optimized out>
>        tee = 0x7f24200e2bd0
>        __PRETTY_FUNCTION__ = "gst_tee_chain"
>#24 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x7f2410071590) at gstpad.c:4320
>        chainfunc = 0x7f246f352d10 <gst_tee_chain>
>        parent = 0x7f24200e2bd0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#25 gst_pad_push_data (pad=pad@entry=0x7f242c0e4360, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x7f2410071590
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#26 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e4360, buffer=buffer@entry=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#27 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300350d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e4360
>        __func__ = "gst_proxy_pad_chain_default"
>#28 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x7f242c0e2610) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24860a0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#29 gst_pad_push_data (pad=pad@entry=0x7f2410071340, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x7f242c0e2610
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#30 0x00007f251adddf72 in gst_pad_push (pad=0x7f2410071340, buffer=buffer@entry=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#31 0x00007f246f336061 in gst_selector_pad_chain (pad=0x7f242c0e8430, parent=0x7f24200e4c60, buf=0x7f24300350d0) at gstinputselector.c:1131
>        sel = 0x7f24200e4c60
>        res = <optimized out>
>        active_sinkpad = <optimized out>
>        prev_active_sinkpad = 0x0
>        selpad = 0x7f242c0e8430
>        __PRETTY_FUNCTION__ = "gst_selector_pad_chain"
>#32 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x7f242c0e8430) at gstpad.c:4320
>        chainfunc = 0x7f246f335650 <gst_selector_pad_chain>
>        parent = 0x7f24200e4c60
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#33 gst_pad_push_data (pad=pad@entry=0x7f242c0e2390, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x7f242c0e8430
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#34 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e2390, buffer=buffer@entry=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#35 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300350d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e2390
>        __func__ = "gst_proxy_pad_chain_default"
>#36 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x7f242c0e4100) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f242c0e2390
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#37 gst_pad_push_data (pad=pad@entry=0x7f2438005560, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x7f242c0e4100
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#38 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2438005560, buffer=buffer@entry=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#39 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300350d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2438005560
>        __func__ = "gst_proxy_pad_chain_default"
>#40 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300350d0, type=4112, pad=0x7f248c01a370) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2438005560
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#41 gst_pad_push_data (pad=pad@entry=0x7f243401c8a0, type=type@entry=4112, data=data@entry=0x7f24300350d0) at gstpad.c:4576
>        peer = 0x7f248c01a370
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#42 0x00007f251adddf72 in gst_pad_push (pad=0x7f243401c8a0, buffer=0x7f24300350d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#43 0x00007f251a8de62c in gst_audio_decoder_push_forward (dec=dec@entry=0x7f243001e2a0, buf=<optimized out>) at gstaudiodecoder.c:958
>        klass = <optimized out>
>        priv = <optimized out>
>        ctx = <optimized out>
>        ret = <optimized out>
>        ts = <optimized out>
>        __func__ = "gst_audio_decoder_push_forward"
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_push_forward"
>#44 0x00007f251a8de971 in gst_audio_decoder_output (dec=dec@entry=0x7f243001e2a0, buf=<optimized out>, buf@entry=0x7f24300350d0) at gstaudiodecoder.c:1034
>        priv = 0x7f243001dfd0
>        ret = <optimized out>
>        inbuf = 0x0
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_output"
>#45 0x00007f251a8e4f9a in gst_audio_decoder_finish_frame (dec=dec@entry=0x7f243001e2a0, buf=buf@entry=0x7f24300350d0, frames=<optimized out>, frames@entry=1) at gstaudiodecoder.c:1380
>        priv = 0x7f243001dfd0
>        ctx = <optimized out>
>        klass = 0x7f248c01e650
>        samples = 1024
>        ts = <optimized out>
>        next_ts = <optimized out>
>        size = <optimized out>
>        ret = <optimized out>
>        inbufs = {head = 0x5627d2016460, tail = 0x5627d2016460, length = 1}
>        __func__ = "gst_audio_decoder_finish_frame"
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_finish_frame"
>#46 0x00007f243c19b9e3 in vorbis_handle_data_packet (timestamp=<optimized out>, duration=<optimized out>, packet=0x7f241fffe6d0, vd=0x7f243001e2a0) at gstvorbisdec.c:515
>        pcm = 0x7f2418005ef0
>        sample_count = 1024
>        out = 0x7f24300350d0
>        size = <optimized out>
>        map = {memory = 0x7f241c09b000, flags = GST_MAP_WRITE, data = 0x7f241c09b078 "\224\364\262\275K\357\333\275\262[\245\275\264\033\340\275\336\203\232\275\366&\347\275\363\004\231\275o\342\352\275\253P\237\275\331\345\344\275\301\335\247\275\003", size = 8192, maxsize = 8192, user_data = {0x7f24300360e0, 0x7f248c01e858, 0x11b, 0x7f243001dfd0}, _gst_reserved = {0x7f25187628f8 <g_list_append+24>, 0x7f243001e000, 0x7f24300360e0, 0x7f243001e2b8}}
>        result = GST_FLOW_OK
>        pcm = <optimized out>
>        sample_count = <optimized out>
>        out = <optimized out>
>        result = <optimized out>
>        map = <optimized out>
>        size = <optimized out>
>        __PRETTY_FUNCTION__ = "vorbis_handle_data_packet"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#47 vorbis_dec_handle_frame (dec=0x7f243001e2a0, buffer=0x7f24300360e0) at gstvorbisdec.c:701
>        timestamp = <optimized out>
>        duration = <optimized out>
>        packet = 0x7f241fffe6d0
>        packet_wrapper = {packet = 0x7f241f0c5567 "\376\211\025\250\025\323\237\365^\275\017G#ft\253\301TT\214\372\315\071\214\203\017\340\064\372\345\243\353\235\243y\315\r\332\a\353\233_\274", bytes = 283, b_o_s = 0, e_o_s = 0, granulepos = -1, packetno = 0}
>        result = <optimized out>
>        map = {memory = 0x7f246f8ba528, flags = GST_MAP_READ, data = 0x7f241f0c5567 "\376\211\025\250\025\323\237\365^\275\017G#ft\253\301TT\214\372\315\071\214\203\017\340\064\372\345\243\353\235\243y\315\r\332\a\353\233_\274", size = 283, maxsize = 15121, user_data = {0x1f, 0x10, 0x7f251878459c <g_slice_free1+172>, 0x7f2430003a70}, _gst_reserved = {0x7f243001e000, 0x0, 0x7f2518783e21 <g_slice_alloc+33>, 0x0}}
>        vd = 0x7f243001e2a0
>        __PRETTY_FUNCTION__ = "vorbis_dec_handle_frame"
>#48 0x00007f251a8e1209 in gst_audio_decoder_push_buffers (dec=dec@entry=0x7f243001e2a0, force=force@entry=0) at gstaudiodecoder.c:1540
>        klass = <optimized out>
>        priv = 0x7f243001dfd0
>        ctx = 0x7f243001e098
>        ret = <optimized out>
>        buffer = <optimized out>
>        av = 283
>        flush = 283
>        __func__ = "gst_audio_decoder_push_buffers"
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_push_buffers"
>        _g_boolean_var_ = <optimized out>
>#49 0x00007f251a8e15eb in gst_audio_decoder_chain_forward (dec=dec@entry=0x7f243001e2a0, buffer=0x0, buffer@entry=0x7f24300360e0) at gstaudiodecoder.c:1654
>        ret = GST_FLOW_OK
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_chain_forward"
>#50 0x00007f251a8e2847 in gst_audio_decoder_chain (pad=<optimized out>, parent=0x7f243001e2a0, buffer=0x7f24300360e0) at gstaudiodecoder.c:1914
>        dec = 0x7f243001e2a0
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_audio_decoder_chain"
>#51 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300360e0, type=4112, pad=0x7f243401c650) at gstpad.c:4320
>        chainfunc = 0x7f251a8e25e0 <gst_audio_decoder_chain>
>        parent = 0x7f243001e2a0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#52 gst_pad_push_data (pad=pad@entry=0x7f2430016660, type=type@entry=4112, data=data@entry=0x7f24300360e0) at gstpad.c:4576
>        peer = 0x7f243401c650
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#53 0x00007f251adddf72 in gst_pad_push (pad=0x7f2430016660, buffer=buffer@entry=0x7f24300360e0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#54 0x00007f246f33ed9d in gst_single_queue_push_one (allow_drop=<synthetic pointer>, object=0x7f24300360e0, sq=0x7f243001c130, mq=0x7f248c006720) at gstmultiqueue.c:1643
>        buffer = 0x7f24300360e0
>        timestamp = 2054000000
>        duration = <optimized out>
>        result = GST_FLOW_OK
>        result = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_single_queue_push_one"
>        buffer = <optimized out>
>        timestamp = <optimized out>
>        duration = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        res = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#55 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1963
>        sq = 0x7f243001c130
>        item = <optimized out>
>        sitem = 0x7f24280fa210
>        mq = 0x7f248c006720
>        object = <optimized out>
>        newid = 279
>        result = <optimized out>
>        next_time = <optimized out>
>        is_buffer = 1
>        do_update_buffering = 0
>        dropping = 0
>        __PRETTY_FUNCTION__ = "gst_multi_queue_loop"
>#56 0x00007f251ae0b731 in gst_task_func (task=0x7f2430011170) at gsttask.c:332
>        lock = 0x7f24300166d0
>        tself = 0x7f248c01c6d0
>        priv = 0x7f2430011120
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#57 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21dd720
>        pool = 0x5627d1ee16e0
>#58 0x00007f251878ecea in g_thread_proxy (data=0x7f248c01c6d0) at gthread.c:784
>        thread = 0x7f248c01c6d0
>        __func__ = "g_thread_proxy"
>#59 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793132418816, 2119584164780380845, 139793662929390, 139793662929391, 139793662929520, 139793662929520, -2079966562218470739, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#60 0x00007f2515dba31f in vmsplice (fd=536868608, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 536860848
>        sc_ret = <optimized out>
>#61 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 28 (Thread 0x7f243d3a5700 (LWP 2309)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x7f24280ec8f8, mutex=mutex@entry=0x7f24280ec8d0) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f246f344b7e in gst_queue_chain_buffer_or_list (parent=0x7f24280ec650, obj=0x7f2434026bf0, is_list=0, pad=<optimized out>) at gstqueue.c:1247
>        queue = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_chain_buffer_or_list"
>#3  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x7f24280ea340) at gstpad.c:4320
>        chainfunc = 0x7f246f345670 <gst_queue_chain>
>        parent = 0x7f24280ec650
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#4  gst_pad_push_data (pad=pad@entry=0x7f24280e6eb0, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x7f24280ea340
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#5  0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e6eb0, buffer=buffer@entry=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#6  0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f2434026bf0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e6eb0
>        __func__ = "gst_proxy_pad_chain_default"
>#7  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x7f24280e4f60) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d25755a0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  gst_pad_push_data (pad=pad@entry=0x7f242c0e3510, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x7f24280e4f60
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#9  0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e3510, buffer=buffer@entry=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#10 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f2434026bf0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e3510
>        __func__ = "gst_proxy_pad_chain_default"
>#11 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x7f242c0e51a0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f242c0e3510
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#12 gst_pad_push_data (pad=pad@entry=0x7f2418060570, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x7f242c0e51a0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#13 0x00007f251adddf72 in gst_pad_push (pad=0x7f2418060570, buffer=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#14 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x7f2418060320) at gstpad.c:4320
>        chainfunc = 0x7f241e3c8530 <gst_deinterlace_chain>
>        parent = 0x7f241007cfe0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#15 gst_pad_push_data (pad=pad@entry=0x7f2410070560, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x7f2418060320
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#16 0x00007f251adddf72 in gst_pad_push (pad=0x7f2410070560, buffer=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#17 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f241006a4b0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f241006a4b0
>        klass = 0x7f241004f040
>        priv = 0x7f241006a3e0
>        ret = <optimized out>
>        position = 167000000
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f2434026bf0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#18 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x7f2410070310) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f241006a4b0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#19 gst_pad_push_data (pad=pad@entry=0x7f24280e7110, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x7f2410070310
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#20 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24280e7110, buffer=buffer@entry=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#21 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f2434026bf0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f24280e7110
>        __func__ = "gst_proxy_pad_chain_default"
>#22 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x7f24280e51e0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d2575740
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#23 gst_pad_push_data (pad=pad@entry=0x7f24100700c0, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x7f24280e51e0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#24 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24100700c0, buffer=buffer@entry=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#25 0x00007f246f5dad8a in gst_stream_synchronizer_sink_chain (pad=0x7f242402dc30, parent=0x5627d2488290, buffer=0x7f2434026bf0) at gststreamsynchronizer.c:711
>        self = 0x5627d2488290
>        opad = 0x7f24100700c0
>        ret = GST_FLOW_ERROR
>        stream = <optimized out>
>        duration = <optimized out>
>        timestamp = 167000000
>        timestamp_end = 18446744073709551615
>        __PRETTY_FUNCTION__ = "gst_stream_synchronizer_sink_chain"
>#26 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x7f242402dc30) at gstpad.c:4320
>        chainfunc = 0x7f246f5daa30 <gst_stream_synchronizer_sink_chain>
>        parent = 0x5627d2488290
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#27 gst_pad_push_data (pad=pad@entry=0x7f248c01bd90, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x7f242402dc30
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#28 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f248c01bd90, buffer=buffer@entry=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#29 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f2434026bf0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f248c01bd90
>        __func__ = "gst_proxy_pad_chain_default"
>#30 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x5627d256dc40) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d2486ee0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#31 gst_pad_push_data (pad=pad@entry=0x7f243401cf90, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x5627d256dc40
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#32 0x00007f251adddf72 in gst_pad_push (pad=0x7f243401cf90, buffer=buffer@entry=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#33 0x00007f246f336061 in gst_selector_pad_chain (pad=0x5627d24a4c90, parent=0x7f24200e4000, buf=0x7f2434026bf0) at gstinputselector.c:1131
>        sel = 0x7f24200e4000
>        res = <optimized out>
>        active_sinkpad = <optimized out>
>        prev_active_sinkpad = 0x0
>        selpad = 0x5627d24a4c90
>        __PRETTY_FUNCTION__ = "gst_selector_pad_chain"
>#34 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x5627d24a4c90) at gstpad.c:4320
>        chainfunc = 0x7f246f335650 <gst_selector_pad_chain>
>        parent = 0x7f24200e4000
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#35 gst_pad_push_data (pad=pad@entry=0x5627d256d4c0, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x5627d24a4c90
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#36 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d256d4c0, buffer=buffer@entry=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#37 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f2434026bf0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d256d4c0
>        __func__ = "gst_proxy_pad_chain_default"
>#38 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x7f248c01b670) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d256d4c0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#39 gst_pad_push_data (pad=pad@entry=0x7f2438004060, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x7f248c01b670
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#40 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2438004060, buffer=buffer@entry=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#41 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f2434026bf0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2438004060
>        __func__ = "gst_proxy_pad_chain_default"
>#42 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2434026bf0, type=4112, pad=0x7f2448024f50) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2438004060
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#43 gst_pad_push_data (pad=pad@entry=0x7f24300168b0, type=type@entry=4112, data=data@entry=0x7f2434026bf0) at gstpad.c:4576
>        peer = 0x7f2448024f50
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#44 0x00007f251adddf72 in gst_pad_push (pad=0x7f24300168b0, buffer=buffer@entry=0x7f2434026bf0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#45 0x00007f251a419d86 in gst_video_decoder_clip_and_push_buf (decoder=decoder@entry=0x7f243400ea40, buf=buf@entry=0x7f2434026bf0) at gstvideodecoder.c:3206
>        ret = GST_FLOW_OK
>        priv = 0x7f243400e8a0
>        start = <optimized out>
>        stop = <optimized out>
>        cstart = 167000000
>        cstop = 207000000
>        segment = <optimized out>
>        duration = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_video_decoder_clip_and_push_buf"
>#46 0x00007f251a42147b in gst_video_decoder_finish_frame (decoder=decoder@entry=0x7f243400ea40, frame=0x0, frame@entry=0x7f248c029c30) at gstvideodecoder.c:3061
>        ret = GST_FLOW_OK
>        decoder_class = <optimized out>
>        priv = 0x7f243400e8a0
>        output_buffer = 0x7f2434026bf0
>        needs_reconfigure = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_video_decoder_finish_frame"
>#47 0x00007f243d7df709 in gst_vpx_dec_handle_frame (decoder=0x7f243400ea40, frame=0x7f248c029c30) at gstvpxdec.c:721
>        dec = 0x7f243400ea40
>        ret = GST_FLOW_OK
>        status = <optimized out>
>        iter = 0x0
>        img = 0x7f2420002e48
>        decoder_deadline = <optimized out>
>        deadline = <optimized out>
>        minfo = {memory = 0x7f24fe260ac8, flags = GST_MAP_READ, data = 0x7f247f8c7c41 "\206", size = 20, maxsize = 58423, user_data = {0x30, 0x70, 0x7f2515d46088 <mallochook+136>, 0x400}, _gst_reserved = {0x7f2518783727 <slab_allocator_alloc_chunk+215>, 0x7f2420002800, 0xb585e3980337ed00, 0x20}}
>        vpxclass = <optimized out>
>        fmt = GST_VIDEO_FORMAT_I420
>        __func__ = "gst_vpx_dec_handle_frame"
>#48 0x00007f251a41923b in gst_video_decoder_decode_frame (decoder=decoder@entry=0x7f243400ea40, frame=0x7f248c029c30) at gstvideodecoder.c:3416
>        priv = 0x7f243400e8a0
>        decoder_class = 0x7f248c010450
>        ret = GST_FLOW_OK
>        __func__ = "gst_video_decoder_decode_frame"
>        __PRETTY_FUNCTION__ = "gst_video_decoder_decode_frame"
>#49 0x00007f251a41bd54 in gst_video_decoder_chain_forward (decoder=decoder@entry=0x7f243400ea40, buf=buf@entry=0x7f248c030810, at_eos=at_eos@entry=0) at gstvideodecoder.c:2142
>        was_keyframe = <optimized out>
>        priv = 0x7f243400e8a0
>        klass = <optimized out>
>        ret = GST_FLOW_OK
>        __func__ = "gst_video_decoder_chain_forward"
>        __PRETTY_FUNCTION__ = "gst_video_decoder_chain_forward"
>#50 0x00007f251a41c43a in gst_video_decoder_chain (pad=<optimized out>, parent=0x7f243400ea40, buf=0x7f248c030810) at gstvideodecoder.c:2456
>        decoder = 0x7f243400ea40
>        ret = GST_FLOW_OK
>        __PRETTY_FUNCTION__ = "gst_video_decoder_chain"
>#51 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f248c030810, type=4112, pad=0x7f2430005150) at gstpad.c:4320
>        chainfunc = 0x7f251a41c120 <gst_video_decoder_chain>
>        parent = 0x7f243400ea40
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#52 gst_pad_push_data (pad=pad@entry=0x7f2430004f00, type=type@entry=4112, data=data@entry=0x7f248c030810) at gstpad.c:4576
>        peer = 0x7f2430005150
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#53 0x00007f251adddf72 in gst_pad_push (pad=0x7f2430004f00, buffer=buffer@entry=0x7f248c030810) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#54 0x00007f246f33ed9d in gst_single_queue_push_one (allow_drop=<synthetic pointer>, object=0x7f248c030810, sq=0x7f243400da70, mq=0x7f248c006de0) at gstmultiqueue.c:1643
>        buffer = 0x7f248c030810
>        timestamp = 167000000
>        duration = <optimized out>
>        result = GST_FLOW_OK
>        result = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_single_queue_push_one"
>        buffer = <optimized out>
>        timestamp = <optimized out>
>        duration = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        res = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#55 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1963
>        sq = 0x7f243400da70
>        item = <optimized out>
>        sitem = 0x7f24f4016870
>        mq = 0x7f248c006de0
>        object = <optimized out>
>        newid = 37
>        result = <optimized out>
>        next_time = <optimized out>
>        is_buffer = 1
>        do_update_buffering = 0
>        dropping = 0
>        __PRETTY_FUNCTION__ = "gst_multi_queue_loop"
>#56 0x00007f251ae0b731 in gst_task_func (task=0x7f24300113b0) at gsttask.c:332
>        lock = 0x7f2430004f70
>        tself = 0x7f2434002590
>        priv = 0x7f2430011360
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#57 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21e20b0
>        pool = 0x5627d1ee16e0
>#58 0x00007f251878ecea in g_thread_proxy (data=0x7f2434002590) at gthread.c:784
>        thread = 0x7f2434002590
>        __func__ = "g_thread_proxy"
>#59 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793622783744, 2119584164780380845, 139793654536686, 139793654536687, 139793654536816, 139793654536816, -2080033120252915027, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#60 0x00007f2515dba31f in vmsplice (fd=1027233536, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 671848256
>        sc_ret = <optimized out>
>#61 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 29 (Thread 0x7f246c9d4700 (LWP 2298)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=155, offset=155, len=139794340386192) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 0, st_ino = 94729032051984, st_nlink = 139794417793568, st_mode = 1843657488, st_uid = 32548, st_gid = 3357497616, __pad0 = 32766, st_rdev = 94729031631536, st_size = 139794417793440, st_blksize = 139794439265661, st_blocks = -6442450945, st_atim = {tv_sec = -1, tv_nsec = -1}, st_mtim = {tv_sec = -1, tv_nsec = -1}, st_ctim = {tv_sec = -1, tv_nsec = -1}, __glibc_reserved = {-1, -1, -1}}
>        increment = <optimized out>
>#1  0x0000006e0000005b in ?? ()
>No symbol table info available.
>#2  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 30 (Thread 0x7f243e1ed700 (LWP 2308)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x7f242c0e8f98, mutex=mutex@entry=0x7f242c0e8f70) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f246f344b7e in gst_queue_chain_buffer_or_list (parent=0x7f242c0e8cf0, obj=0x7f24300249f0, is_list=0, pad=<optimized out>) at gstqueue.c:1247
>        queue = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_chain_buffer_or_list"
>#3  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f2410071a30) at gstpad.c:4320
>        chainfunc = 0x7f246f345670 <gst_queue_chain>
>        parent = 0x7f242c0e8cf0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#4  gst_pad_push_data (pad=pad@entry=0x7f242c0e4ce0, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f2410071a30
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#5  0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e4ce0, buffer=buffer@entry=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#6  0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300249f0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e4ce0
>        __func__ = "gst_proxy_pad_chain_default"
>#7  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f242c0e3010) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2424025410
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#8  gst_pad_push_data (pad=pad@entry=0x7f2424062a80, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f242c0e3010
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#9  0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2424062a80, buffer=buffer@entry=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#10 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300249f0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2424062a80
>        __func__ = "gst_proxy_pad_chain_default"
>#11 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f2424064520) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2424062a80
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#12 gst_pad_push_data (pad=pad@entry=0x7f24180617f0, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f2424064520
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#13 0x00007f251adddf72 in gst_pad_push (pad=0x7f24180617f0, buffer=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#14 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f24180615a0) at gstpad.c:4320
>        chainfunc = 0x7f241e3c8530 <gst_deinterlace_chain>
>        parent = 0x7f2418062000
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#15 gst_pad_push_data (pad=pad@entry=0x7f24180600d0, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f24180615a0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#16 0x00007f251adddf72 in gst_pad_push (pad=0x7f24180600d0, buffer=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#17 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f241805de80, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f241805de80
>        klass = 0x7f241004f040
>        priv = 0x7f241805ddb0
>        ret = <optimized out>
>        position = 167000000
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24300249f0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#18 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f2418027c30) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f241805de80
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#19 gst_pad_push_data (pad=pad@entry=0x7f242c0e4f40, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f2418027c30
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#20 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e4f40, buffer=buffer@entry=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#21 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300249f0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e4f40
>        __func__ = "gst_proxy_pad_chain_default"
>#22 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f242c0e3290) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f24240255b0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#23 gst_pad_push_data (pad=pad@entry=0x7f24180279e0, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f242c0e3290
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#24 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f24180279e0, buffer=buffer@entry=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#25 0x00007f246f5dad8a in gst_stream_synchronizer_sink_chain (pad=0x7f2418027790, parent=0x5627d2488010, buffer=0x7f24300249f0) at gststreamsynchronizer.c:711
>        self = 0x5627d2488010
>        opad = 0x7f24180279e0
>        ret = GST_FLOW_ERROR
>        stream = <optimized out>
>        duration = <optimized out>
>        timestamp = 167000000
>        timestamp_end = 18446744073709551615
>        __PRETTY_FUNCTION__ = "gst_stream_synchronizer_sink_chain"
>#26 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f2418027790) at gstpad.c:4320
>        chainfunc = 0x7f246f5daa30 <gst_stream_synchronizer_sink_chain>
>        parent = 0x5627d2488010
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#27 gst_pad_push_data (pad=pad@entry=0x7f242c0e45c0, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f2418027790
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#28 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e45c0, buffer=buffer@entry=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#29 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300249f0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e45c0
>        __func__ = "gst_proxy_pad_chain_default"
>#30 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f242c0e2890) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24860a0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#31 gst_pad_push_data (pad=pad@entry=0x7f24100710f0, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f242c0e2890
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#32 0x00007f251adddf72 in gst_pad_push (pad=0x7f24100710f0, buffer=buffer@entry=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#33 0x00007f246f336061 in gst_selector_pad_chain (pad=0x7f242c0e8130, parent=0x7f24200e4b00, buf=0x7f24300249f0) at gstinputselector.c:1131
>        sel = 0x7f24200e4b00
>        res = <optimized out>
>        active_sinkpad = <optimized out>
>        prev_active_sinkpad = 0x0
>        selpad = 0x7f242c0e8130
>        __PRETTY_FUNCTION__ = "gst_selector_pad_chain"
>#34 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f242c0e8130) at gstpad.c:4320
>        chainfunc = 0x7f246f335650 <gst_selector_pad_chain>
>        parent = 0x7f24200e4b00
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#35 gst_pad_push_data (pad=pad@entry=0x7f242c0e2110, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f242c0e8130
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#36 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e2110, buffer=buffer@entry=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#37 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300249f0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e2110
>        __func__ = "gst_proxy_pad_chain_default"
>#38 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x7f24280e7cf0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f242c0e2110
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#39 gst_pad_push_data (pad=pad@entry=0x5627d1e2ab00, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x7f24280e7cf0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#40 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d1e2ab00, buffer=buffer@entry=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#41 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300249f0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d1e2ab00
>        __func__ = "gst_proxy_pad_chain_default"
>#42 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300249f0, type=4112, pad=0x5627d2515b30) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d1e2ab00
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#43 gst_pad_push_data (pad=pad@entry=0x7f2430005ce0, type=type@entry=4112, data=data@entry=0x7f24300249f0) at gstpad.c:4576
>        peer = 0x5627d2515b30
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#44 0x00007f251adddf72 in gst_pad_push (pad=0x7f2430005ce0, buffer=buffer@entry=0x7f24300249f0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#45 0x00007f251a419d86 in gst_video_decoder_clip_and_push_buf (decoder=decoder@entry=0x7f2430012e30, buf=buf@entry=0x7f24300249f0) at gstvideodecoder.c:3206
>        ret = GST_FLOW_OK
>        priv = 0x7f2430012c90
>        start = <optimized out>
>        stop = <optimized out>
>        cstart = 167000000
>        cstop = 207000000
>        segment = <optimized out>
>        duration = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_video_decoder_clip_and_push_buf"
>#46 0x00007f251a42147b in gst_video_decoder_finish_frame (decoder=decoder@entry=0x7f2430012e30, frame=0x0, frame@entry=0x7f24300245b0) at gstvideodecoder.c:3061
>        ret = GST_FLOW_OK
>        decoder_class = <optimized out>
>        priv = 0x7f2430012c90
>        output_buffer = 0x7f24300249f0
>        needs_reconfigure = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_video_decoder_finish_frame"
>#47 0x00007f243d7df709 in gst_vpx_dec_handle_frame (decoder=0x7f2430012e30, frame=0x7f24300245b0) at gstvpxdec.c:721
>        dec = 0x7f2430012e30
>        ret = GST_FLOW_OK
>        status = <optimized out>
>        iter = 0x0
>        img = 0x7f242c002e48
>        decoder_deadline = <optimized out>
>        deadline = <optimized out>
>        minfo = {memory = 0x7f246f8d80f0, flags = GST_MAP_READ, data = 0x7f241f0bab32 "\206", size = 20, maxsize = 58694, user_data = {0x30, 0x70, 0x7f2515d46088 <mallochook+136>, 0x400}, _gst_reserved = {0x7f2518783727 <slab_allocator_alloc_chunk+215>, 0x7f242c002800, 0xb585e3980337ed00, 0x20}}
>        vpxclass = <optimized out>
>        fmt = GST_VIDEO_FORMAT_I420
>        __func__ = "gst_vpx_dec_handle_frame"
>#48 0x00007f251a41923b in gst_video_decoder_decode_frame (decoder=decoder@entry=0x7f2430012e30, frame=0x7f24300245b0) at gstvideodecoder.c:3416
>        priv = 0x7f2430012c90
>        decoder_class = 0x7f248c010450
>        ret = GST_FLOW_OK
>        __func__ = "gst_video_decoder_decode_frame"
>        __PRETTY_FUNCTION__ = "gst_video_decoder_decode_frame"
>#49 0x00007f251a41bd54 in gst_video_decoder_chain_forward (decoder=decoder@entry=0x7f2430012e30, buf=buf@entry=0x7f2430024170, at_eos=at_eos@entry=0) at gstvideodecoder.c:2142
>        was_keyframe = <optimized out>
>        priv = 0x7f2430012c90
>        klass = <optimized out>
>        ret = GST_FLOW_OK
>        __func__ = "gst_video_decoder_chain_forward"
>        __PRETTY_FUNCTION__ = "gst_video_decoder_chain_forward"
>#50 0x00007f251a41c43a in gst_video_decoder_chain (pad=<optimized out>, parent=0x7f2430012e30, buf=0x7f2430024170) at gstvideodecoder.c:2456
>        decoder = 0x7f2430012e30
>        ret = GST_FLOW_OK
>        __PRETTY_FUNCTION__ = "gst_video_decoder_chain"
>#51 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f2430024170, type=4112, pad=0x7f2430004810) at gstpad.c:4320
>        chainfunc = 0x7f251a41c120 <gst_video_decoder_chain>
>        parent = 0x7f2430012e30
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#52 gst_pad_push_data (pad=pad@entry=0x7f24300045c0, type=type@entry=4112, data=data@entry=0x7f2430024170) at gstpad.c:4576
>        peer = 0x7f2430004810
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#53 0x00007f251adddf72 in gst_pad_push (pad=0x7f24300045c0, buffer=buffer@entry=0x7f2430024170) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#54 0x00007f246f33ed9d in gst_single_queue_push_one (allow_drop=<synthetic pointer>, object=0x7f2430024170, sq=0x7f243000eed0, mq=0x7f248c006720) at gstmultiqueue.c:1643
>        buffer = 0x7f2430024170
>        timestamp = 167000000
>        duration = <optimized out>
>        result = GST_FLOW_OK
>        result = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_single_queue_push_one"
>        buffer = <optimized out>
>        timestamp = <optimized out>
>        duration = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        res = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#55 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1963
>        sq = 0x7f243000eed0
>        item = <optimized out>
>        sitem = 0x7f2430015c60
>        mq = 0x7f248c006720
>        object = <optimized out>
>        newid = 28
>        result = <optimized out>
>        next_time = <optimized out>
>        is_buffer = 1
>        do_update_buffering = 0
>        dropping = 0
>        __PRETTY_FUNCTION__ = "gst_multi_queue_loop"
>#56 0x00007f251ae0b731 in gst_task_func (task=0x7f2438015dd0) at gsttask.c:332
>        lock = 0x7f2430004630
>        tself = 0x7f2430001ed0
>        priv = 0x7f2438015d80
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#57 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21dfac0
>        pool = 0x5627d1ee16e0
>#58 0x00007f251878ecea in g_thread_proxy (data=0x7f2430001ed0) at gthread.c:784
>        thread = 0x7f2430001ed0
>        __func__ = "g_thread_proxy"
>#59 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793637758720, 2119584164780380845, 139793662929390, 139793662929391, 139793662929520, 139793662929520, -2080035564089306451, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#60 0x00007f2515dba31f in vmsplice (fd=1042208512, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 604313408
>        sc_ret = <optimized out>
>#61 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 31 (Thread 0x7f2415ffb700 (LWP 2320)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d24a42f8, mutex=mutex@entry=0x5627d24a42d0) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f246f344b7e in gst_queue_chain_buffer_or_list (parent=0x5627d24a4050, obj=0x7f243002d110, is_list=0, pad=<optimized out>) at gstqueue.c:1247
>        queue = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_chain_buffer_or_list"
>#3  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f243002d110, type=4112, pad=0x5627d2490a30) at gstpad.c:4320
>        chainfunc = 0x7f246f345670 <gst_queue_chain>
>        parent = 0x5627d24a4050
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#4  gst_pad_push_data (pad=pad@entry=0x5627d2494a30, type=type@entry=4112, data=data@entry=0x7f243002d110) at gstpad.c:4576
>        peer = 0x5627d2490a30
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#5  0x00007f251adddf72 in gst_pad_push (pad=0x5627d2494a30, buffer=0x7f243002d110) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#6  0x00007f246f352c20 in gst_tee_handle_data (tee=tee@entry=0x7f24f80167e0, data=data@entry=0x7f243002d110, is_list=is_list@entry=0) at gsttee.c:899
>        pad = 0x5627d2494a30
>        pads = <optimized out>
>        cookie = <optimized out>
>        ret = <optimized out>
>        cret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_tee_handle_data"
>#7  0x00007f246f352d6d in gst_tee_chain (pad=<optimized out>, parent=0x7f24f80167e0, buffer=0x7f243002d110) at gsttee.c:1022
>        res = <optimized out>
>        tee = 0x7f24f80167e0
>        __PRETTY_FUNCTION__ = "gst_tee_chain"
>#8  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f243002d110, type=4112, pad=0x5627d24907e0) at gstpad.c:4320
>        chainfunc = 0x7f246f352d10 <gst_tee_chain>
>        parent = 0x7f24f80167e0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#9  gst_pad_push_data (pad=pad@entry=0x5627d24947e0, type=type@entry=4112, data=data@entry=0x7f243002d110) at gstpad.c:4576
>        peer = 0x5627d24907e0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#10 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d24947e0, buffer=buffer@entry=0x7f243002d110) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#11 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f243002d110) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d24947e0
>        __func__ = "gst_proxy_pad_chain_default"
>#12 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f243002d110, type=4112, pad=0x5627d2492920) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d248a270
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#13 gst_pad_push_data (pad=pad@entry=0x7f2424062f80, type=type@entry=4112, data=data@entry=0x7f243002d110) at gstpad.c:4576
>        peer = 0x5627d2492920
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#14 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2424062f80, buffer=buffer@entry=0x7f243002d110) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#15 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f243002d110) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2424062f80
>        __func__ = "gst_proxy_pad_chain_default"
>#16 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f243002d110, type=4112, pad=0x7f24240649e0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f2424062f80
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#17 gst_pad_push_data (pad=pad@entry=0x7f242406f0a0, type=type@entry=4112, data=data@entry=0x7f243002d110) at gstpad.c:4576
>        peer = 0x7f24240649e0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#18 0x00007f251adddf72 in gst_pad_push (pad=0x7f242406f0a0, buffer=0x7f243002d110) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#19 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f2418066c60, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f2418066c60
>        klass = 0x5627d24ab940
>        priv = 0x7f2418066b90
>        ret = <optimized out>
>        position = 1035219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f243002d110
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#20 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f243002d110, type=4112, pad=0x7f242406ee50) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f2418066c60
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#21 gst_pad_push_data (pad=pad@entry=0x7f242406ec00, type=type@entry=4112, data=data@entry=0x7f243002d110) at gstpad.c:4576
>        peer = 0x7f242406ee50
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#22 0x00007f251adddf72 in gst_pad_push (pad=0x7f242406ec00, buffer=0x7f243002d110) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#23 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f2418066470, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f2418066470
>        klass = 0x5627d24a7c30
>        priv = 0x7f24180663a0
>        ret = <optimized out>
>        position = 1035219955
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f243002d110
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#24 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f243002d110, type=4112, pad=0x7f242406e9b0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f2418066470
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#25 gst_pad_push_data (pad=pad@entry=0x7f2424064780, type=type@entry=4112, data=data@entry=0x7f243002d110) at gstpad.c:4576
>        peer = 0x7f242406e9b0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#26 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f2424064780, buffer=buffer@entry=0x7f243002d110) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#27 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f243002d110) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f2424064780
>        __func__ = "gst_proxy_pad_chain_default"
>#28 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f243002d110, type=4112, pad=0x7f2424062d00) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24c9bb0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#29 gst_pad_push_data (pad=pad@entry=0x7f242406b2e0, type=type@entry=4112, data=data@entry=0x7f243002d110) at gstpad.c:4576
>        peer = 0x7f2424062d00
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#30 0x00007f251adddf72 in gst_pad_push (pad=0x7f242406b2e0, buffer=buffer@entry=0x7f243002d110) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#31 0x00007f246f343eb7 in gst_queue_push_one (queue=0x7f242c0e8ff0) at gstqueue.c:1384
>        buffer = 0x7f243002d110
>        data = <optimized out>
>        is_list = <optimized out>
>        result = <optimized out>
>        result = <optimized out>
>        data = <optimized out>
>        is_list = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_push_one"
>        buffer = <optimized out>
>        subbuffer = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        buffer_list = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#32 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1537
>        queue = 0x7f242c0e8ff0
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#33 0x00007f251ae0b731 in gst_task_func (task=0x7f2410081950) at gsttask.c:332
>        lock = 0x7f242406b350
>        tself = 0x7f2424071190
>        priv = 0x7f2410081900
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#34 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21ecb50
>        pool = 0x5627d1ee16e0
>#35 0x00007f251878ecea in g_thread_proxy (data=0x7f2424071190) at gthread.c:784
>        thread = 0x7f2424071190
>        __func__ = "g_thread_proxy"
>#36 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139792964630272, 2119584164780380845, 139793614380446, 139793614380447, 139793614380576, 139793614380576, -2079979758505487699, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#37 0x00007f2515dba31f in vmsplice (fd=369080064, iov=0x80, count=0, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#38 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 32 (Thread 0x7f2456de5700 (LWP 2301)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=94729032146320) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 0, st_ino = 140732255916510, st_nlink = 140732255916511, st_mode = 3528380704, st_uid = 22055, st_gid = 0, __pad0 = 0, st_rdev = 139797328336347, st_size = 94729032190032, st_blksize = 139797301095658, st_blocks = 0, st_atim = {tv_sec = 139797377549668, tv_nsec = 0}, st_mtim = {tv_sec = 139794052962048, tv_nsec = 139794052962048}, st_ctim = {tv_sec = 2119584164780380845, tv_nsec = 140732255916510}, __glibc_reserved = {140732255916511, 140732255916640, 140732255916640}}
>        increment = <optimized out>
>#1  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 33 (Thread 0x7f2496ff9700 (LWP 2260)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=139794877260320) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 139794877254432, st_ino = 139797300927174, st_nlink = 139797424825072, st_mode = 4264353792, st_uid = 32548, st_gid = 2281704224, __pad0 = 32548, st_rdev = 139797430800256, st_size = 139640510056960, st_blksize = -5366633138913547008, st_blocks = 139796860080560, st_atim = {tv_sec = 139796860088880, tv_nsec = 139796860080584}, st_mtim = {tv_sec = 0, tv_nsec = 1}, st_ctim = {tv_sec = 139797430634511, tv_nsec = 0}, __glibc_reserved = {0, 0, 140732255919694}}
>        increment = <optimized out>
>#1  0x00007ffec81f5e4f in ?? ()
>No symbol table info available.
>#2  0x00007ffec81f5ee0 in ?? ()
>No symbol table info available.
>#3  0x00007ffec81f5ee0 in ?? ()
>No symbol table info available.
>#4  0xe3236b6e4a4712ad in ?? ()
>No symbol table info available.
>#5  0xe3207c9e571112ad in ?? ()
>No symbol table info available.
>#6  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 34 (Thread 0x7f2486fff700 (LWP 2294)):
>#0  0x00007f251d07e84a in futex_abstimed_wait_cancelable (private=0, abstime=0x7f2486ffe950, expected=0, futex_word=0x7f2487481264) at ../sysdeps/unix/sysv/linux/futex-internal.h:204
>        __arg6 = <optimized out>
>        __arg3 = <optimized out>
>        _a5 = 0
>        _a2 = 393
>        __arg4 = <optimized out>
>        __arg1 = <optimized out>
>        _a6 = 4294967295
>        _a3 = 0
>        resultvar = <optimized out>
>        __arg5 = <optimized out>
>        __arg2 = <optimized out>
>        _a4 = 139794860468560
>        _a1 = 139794865197668
>        __ret = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg6 = <optimized out>
>        __arg5 = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a6 = <optimized out>
>        _a5 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7f2486ffe950, mutex=0x7f2487481210, cond=0x7f2487481238) at pthread_cond_wait.c:539
>        spin = 0
>        buffer = {__routine = 0x7f251d07e270 <__condvar_cancel_waiting+304>, __arg = 0x7f2486ffe8d0, __canceltype = -2025319920, __prev = 0x0}
>        cbuffer = {wseq = 7, cond = 0x7f2487481238, mutex = 0x7f2487481210, private = 0}
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 7
>        seq = 3
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=0x7f2487481238, mutex=0x7f2487481210, abstime=0x7f2486ffe950) at pthread_cond_wait.c:667
>No locals.
>#3  0x00007f252033fa1e in ?? ()
>No symbol table info available.
>#4  0x0000000000000078 in ?? ()
>No symbol table info available.
>#5  0x41d6eadf2341b229 in ?? ()
>No symbol table info available.
>#6  0x000000005bab7c8d in ?? ()
>No symbol table info available.
>#7  0x00000000019457d8 in ?? ()
>No symbol table info available.
>#8  0x00007f2487481200 in ?? ()
>No symbol table info available.
>#9  0xb585e3980337ed00 in ?? ()
>No symbol table info available.
>#10 0x40604ab6b0963561 in ?? ()
>No symbol table info available.
>#11 0x00007f2487481200 in ?? ()
>No symbol table info available.
>#12 0x00000000452d127b in ?? ()
>No symbol table info available.
>#13 0x00007f25203149c3 in ?? ()
>No symbol table info available.
>#14 0x00007f2486ffea01 in ?? ()
>No symbol table info available.
>#15 0x00007f248746f010 in ?? ()
>No symbol table info available.
>#16 0x00007f2486ffeac0 in ?? ()
>No symbol table info available.
>#17 0x00007f2486ffeab0 in ?? ()
>No symbol table info available.
>#18 0x00007f2486ffea00 in ?? ()
>No symbol table info available.
>#19 0x00007f248746f000 in ?? ()
>No symbol table info available.
>#20 0x0000000000000001 in ?? ()
>No symbol table info available.
>#21 0x00007f2486ffeab0 in ?? ()
>No symbol table info available.
>#22 0x00007f2486ffeac0 in ?? ()
>No symbol table info available.
>#23 0x00007f24fe2817b0 in ?? ()
>No symbol table info available.
>#24 0x00007f2486ffea10 in ?? ()
>No symbol table info available.
>#25 0x00007f2515dc7f06 in __backtrace_symbols (array=0x7f2486ffeab0, size=<optimized out>) at backtracesyms.c:74
>        last = 0x7f2486ffea00 "\252(^em\025^@\001"
>        info = <optimized out>
>        status = 0x7f2487481238
>        cnt = -2025319880
>        total = <optimized out>
>        result = 0x7f24afffff00
>        __PRETTY_FUNCTION__ = "__backtrace_symbols"
>#26 0x0000000100000000 in ?? ()
>No symbol table info available.
>#27 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 35 (Thread 0x7f24ff3e4700 (LWP 2241)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=139796756415984) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 139796756408624, st_ino = 139797300927174, st_nlink = 139796894603167, st_mode = 4160858368, st_uid = 32548, st_gid = 0, __pad0 = 0, st_rdev = 139797309269514, st_size = 94729024898848, st_blksize = 139797301095658, st_blocks = 0, st_atim = {tv_sec = 139797377549668, tv_nsec = 0}, st_mtim = {tv_sec = 139796877821696, tv_nsec = 139796877821696}, st_ctim = {tv_sec = 2119584164780380845, tv_nsec = 139796894603166}, __glibc_reserved = {139796894603167, 139796894603296, 139796894603296}}
>        increment = <optimized out>
>#1  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 36 (Thread 0x7f24577fe700 (LWP 2300)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x5627d248f650, mutex=mutex@entry=0x5627d248f608) at gthread-posix.c:1402
>        sampled = 1
>#2  0x00007f251ae0b92b in gst_task_func (task=0x5627d248f5f0) at gsttask.c:317
>        lock = 0x5627d24b07d0
>        tself = 0x5627d24c3ca0
>        priv = 0x5627d248f5a0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#3  0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21cef70
>        pool = 0x5627d1ee16e0
>#4  0x00007f251878ecea in g_thread_proxy (data=0x5627d24c3ca0) at gthread.c:784
>        thread = 0x5627d24c3ca0
>        __func__ = "g_thread_proxy"
>#5  0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139794063550208, 2119584164780380845, 140732255917502, 140732255917503, 140732255917632, 140732255917632, -2079844514817174867, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#6  0x00007f2515dba31f in vmsplice (fd=1468000000, iov=0x80, count=1, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = -766970288
>        sc_ret = <optimized out>
>#7  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 37 (Thread 0x7f2455de3700 (LWP 2303)):
>#0  0x00007f2515daf929 in internal_fallocate64 (fd=410477440, offset=4294967295, len=139793736405984) at ../sysdeps/posix/posix_fallocate64.c:100
>        c = 0 '\000'
>        rsize = <optimized out>
>        st = {st_dev = 0, st_ino = 140732255916510, st_nlink = 140732255916511, st_mode = 3528380944, st_uid = 22055, st_gid = 0, __pad0 = 0, st_rdev = 139797328336347, st_size = 94729032693056, st_blksize = 139797301095658, st_blocks = 0, st_atim = {tv_sec = 139797377549668, tv_nsec = 0}, st_mtim = {tv_sec = 139794036176640, tv_nsec = 139794036176640}, st_ctim = {tv_sec = 2119584164780380845, tv_nsec = 140732255916510}, __glibc_reserved = {140732255916511, 140732255916640, 140732255916640}}
>        increment = <optimized out>
>#1  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 38 (Thread 0x7f243f1ef700 (LWP 2306)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=cond@entry=0x7f2430010a00, mutex=mutex@entry=0x7f24300109d8) at gthread-posix.c:1402
>        sampled = 45
>#2  0x00007f251b0ee243 in gst_data_queue_push (queue=0x7f2430010a30, item=item@entry=0x7f248c024690) at gstdataqueue.c:521
>        priv = 0x7f24300109b0
>        __func__ = "gst_data_queue_push"
>#3  0x00007f246f33dc2b in gst_multi_queue_chain (pad=<optimized out>, parent=<optimized out>, buffer=<optimized out>) at gstmultiqueue.c:2152
>        sq = 0x7f243400da70
>        mq = 0x7f248c006de0
>        item = 0x7f248c024690
>        curid = <optimized out>
>        timestamp = 2250000000
>        duration = 18446744073709551615
>        __PRETTY_FUNCTION__ = "gst_multi_queue_chain"
>#4  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24340349b0, type=4112, pad=0x7f2430004cb0) at gstpad.c:4320
>        chainfunc = 0x7f246f33db30 <gst_multi_queue_chain>
>        parent = 0x7f248c006de0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#5  gst_pad_push_data (pad=pad@entry=0x7f2430004a60, type=type@entry=4112, data=data@entry=0x7f24340349b0) at gstpad.c:4576
>        peer = 0x7f2430004cb0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#6  0x00007f251adddf72 in gst_pad_push (pad=0x7f2430004a60, buffer=buffer@entry=0x7f24340349b0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#7  0x00007f243fdc5464 in gst_matroska_demux_parse_blockgroup_or_simpleblock (demux=demux@entry=0x7f244001cfc0, ebml=ebml@entry=0x7f243f1ee980, cluster_time=<optimized out>, is_simpleblock=is_simpleblock@entry=1, cluster_offset=<optimized out>) at matroska-demux.c:4095
>        sub = 0x7f24340349b0
>        invisible_frame = 0
>        delta_unit = 1
>        duration = 0
>        lace_time = 2250000000
>        stream = 0x7f2434003900
>        ret = <optimized out>
>        readblock = <optimized out>
>        id = 163
>        block_duration = 18446744073709551615
>        block_discardpadding = 0
>        buf = 0x7f24340348a0
>        map = {memory = 0x7f246f8c1bb8, flags = GST_MAP_READ, data = 0x7f247f8d2119 "\201\b\312", size = 794, maxsize = 16223, user_data = {0x400, 0x7f24200f56c0, 0x7f2518737819 <g_array_maybe_expand+89>, 0x0}, _gst_reserved = {0x7f24200f56c0, 0x38, 0x7f25187379dc <g_array_sized_new+172>, 0x7f243f1ee980}}
>        stream_num = 0
>        n = 0
>        laces = 1
>        size = 790
>        lace_size = 0x7f243400c7e0
>        time = <optimized out>
>        flags = <optimized out>
>        referenceblock = 0
>        offset = 49502
>        buffer_timestamp = <optimized out>
>        __func__ = "gst_matroska_demux_parse_blockgroup_or_simpleblock"
>#8  0x00007f243fdcc9cf in gst_matroska_demux_parse_id (demux=demux@entry=0x7f244001cfc0, id=<optimized out>, length=<optimized out>, needed=3) at matroska-demux.c:4787
>        ebml = {el = 0x7f244001cfc0, buf = 0x7f2434034790, offset = 49502, map = {memory = 0x7f246f8c1b40, flags = GST_MAP_READ, data = 0x7f247f8d2116 "\243C\032\201\b\312", size = 797, maxsize = 16226, user_data = {0x0, 0x0, 0x0, 0x0}, _gst_reserved = {0x0, 0x0, 0x0, 0x0}}, readers = 0x7f24200f56c0}
>        ret = GST_FLOW_OK
>        read = 797
>        __func__ = "gst_matroska_demux_parse_id"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#9  0x00007f243fdd0c26 in gst_matroska_demux_loop (pad=<optimized out>) at matroska-demux.c:4963
>        demux = 0x7f244001cfc0
>        ret = GST_FLOW_OK
>        id = 163
>        length = 794
>        needed = 3
>        __func__ = "gst_matroska_demux_loop"
>#10 0x00007f251ae0b731 in gst_task_func (task=0x5627d2569dd0) at gsttask.c:332
>        lock = 0x7f244001e3f0
>        tself = 0x5627d209a770
>        priv = 0x5627d2569d80
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#11 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21dd580
>        pool = 0x5627d1ee16e0
>#12 0x00007f251878ecea in g_thread_proxy (data=0x5627d209a770) at gthread.c:784
>        thread = 0x5627d209a770
>        __func__ = "g_thread_proxy"
>#13 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793654544128, 2119584164780380845, 139794027777054, 139794027777055, 139794027777184, 139794027777184, -2080037764186303827, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#14 0x00007f2515dba31f in vmsplice (fd=1058993920, iov=0x80, count=45, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#15 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 39 (Thread 0x7f241d3b9700 (LWP 2315)):
>#0  0x00007f2515db4df9 in ?? () at efgcvt.c:77 from /lib64/libc.so.6
>        fcvt_buffer = '\000' <repeats 19 times>
>        ecvt_buffer = '\000' <repeats 19 times>
>        fcvt_bufptr = 0x0
>#1  0x00007f25187ad333 in g_cond_wait (cond=0x7f240801b780, mutex=0x7f240801b778) at gthread-posix.c:1402
>        sampled = 16
>#2  0x00007f251a1a6724 in gst_gl_window_default_send_message (window=0x7f240801b790, callback=<optimized out>, data=<optimized out>) at gstglwindow.c:603
>        message = {window = 0x7f240801b790, fired = 0, callback = 0x7f251a18abd0 <_gst_gl_context_thread_run_generic>, data = 0x7f241d3b7e60}
>#3  0x00007f251a18c745 in gst_gl_context_thread_add (context=<optimized out>, func=func@entry=0x7f251a1a1120 <_do_convert>, data=data@entry=0x7f240801ec90) at gstglcontext.c:1583
>        window = 0x7f240801b790
>        rdata = {context = 0x7f240801aaf0, func = 0x7f251a1a1120 <_do_convert>, data = 0x7f240801ec90}
>        __func__ = "gst_gl_context_thread_add"
>#4  0x00007f251a1a3698 in _gst_gl_color_convert_perform_unlocked (inbuf=0x7f240c01fae0, convert=0x7f240801ec90) at gstglcolorconvert.c:1288
>        __func__ = "_gst_gl_color_convert_perform_unlocked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#5  gst_gl_color_convert_perform (convert=0x7f240801ec90, inbuf=inbuf@entry=0x7f240c01fae0) at gstglcolorconvert.c:1270
>        ret = <optimized out>
>        __func__ = "gst_gl_color_convert_perform"
>#6  0x00007f246e8cb437 in gst_gl_color_convert_element_prepare_output_buffer (bt=0x5627d24c04a0, inbuf=0x7f240c01fae0, outbuf=0x7f241d3b7f40) at gstglcolorconvertelement.c:215
>        convert = 0x5627d24c04a0
>        bclass = 0x5627d24c2000
>        __PRETTY_FUNCTION__ = "gst_gl_color_convert_element_prepare_output_buffer"
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#7  0x00007f251b0ddf78 in default_generate_output (trans=0x5627d24c04a0, outbuf=0x7f241d3b7f40) at gstbasetransform.c:2103
>        bclass = 0x5627d24c2000
>        priv = 0x5627d24c03d0
>        ret = GST_FLOW_OK
>        inbuf = 0x7f240c01fae0
>        want_in_place = <optimized out>
>        __PRETTY_FUNCTION__ = "default_generate_output"
>#8  0x00007f251b0dd8f6 in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24c04a0, buffer=<optimized out>) at gstbasetransform.c:2285
>        trans = 0x5627d24c04a0
>        klass = 0x5627d24c2000
>        priv = 0x5627d24c03d0
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#9  0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f240c01fae0, type=4112, pad=0x5627d24b0e50) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24c04a0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#10 gst_pad_push_data (pad=pad@entry=0x5627d24b0c00, type=type@entry=4112, data=data@entry=0x7f240c01fae0) at gstpad.c:4576
>        peer = 0x5627d24b0e50
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#11 0x00007f251adddf72 in gst_pad_push (pad=0x5627d24b0c00, buffer=0x7f240c01fae0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#12 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x5627d24c0120, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x5627d24c0120
>        klass = 0x5627d24ba1b0
>        priv = 0x5627d24c0050
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f240c01fae0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#13 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300247d0, type=4112, pad=0x5627d24b09b0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x5627d24c0120
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#14 gst_pad_push_data (pad=pad@entry=0x5627d2494ca0, type=type@entry=4112, data=data@entry=0x7f24300247d0) at gstpad.c:4576
>        peer = 0x5627d24b09b0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#15 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x5627d2494ca0, buffer=buffer@entry=0x7f24300247d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#16 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300247d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x5627d2494ca0
>        __func__ = "gst_proxy_pad_chain_default"
>#17 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300247d0, type=4112, pad=0x5627d2492ba0) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d248a410
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#18 gst_pad_push_data (pad=pad@entry=0x7f242c0e2d90, type=type@entry=4112, data=data@entry=0x7f24300247d0) at gstpad.c:4576
>        peer = 0x5627d2492ba0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#19 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e2d90, buffer=buffer@entry=0x7f24300247d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#20 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300247d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e2d90
>        __func__ = "gst_proxy_pad_chain_default"
>#21 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300247d0, type=4112, pad=0x7f242c0e4a80) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x7f242c0e2d90
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#22 gst_pad_push_data (pad=pad@entry=0x7f24180269b0, type=type@entry=4112, data=data@entry=0x7f24300247d0) at gstpad.c:4576
>        peer = 0x7f242c0e4a80
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#23 0x00007f251adddf72 in gst_pad_push (pad=0x7f24180269b0, buffer=0x7f24300247d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#24 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f2418054bd0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f2418054bd0
>        klass = 0x7f241004f040
>        priv = 0x7f2418054b00
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24300247d0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#25 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300247d0, type=4112, pad=0x7f2418026c00) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f2418054bd0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#26 gst_pad_push_data (pad=pad@entry=0x7f2418026760, type=type@entry=4112, data=data@entry=0x7f24300247d0) at gstpad.c:4576
>        peer = 0x7f2418026c00
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#27 0x00007f251adddf72 in gst_pad_push (pad=0x7f2418026760, buffer=0x7f24300247d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#28 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f241802a8d0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f241802a8d0
>        klass = 0x7f241002a940
>        priv = 0x7f241802a800
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24300247d0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#29 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300247d0, type=4112, pad=0x7f2418026510) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f241802a8d0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#30 gst_pad_push_data (pad=pad@entry=0x7f2418026e50, type=type@entry=4112, data=data@entry=0x7f24300247d0) at gstpad.c:4576
>        peer = 0x7f2418026510
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#31 0x00007f251adddf72 in gst_pad_push (pad=0x7f2418026e50, buffer=0x7f24300247d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#32 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f24180515f0, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f24180515f0
>        klass = 0x7f2410058ff0
>        priv = 0x7f2418051520
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24300247d0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#33 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300247d0, type=4112, pad=0x7f24180270a0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f24180515f0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#34 gst_pad_push_data (pad=pad@entry=0x7f2418027540, type=type@entry=4112, data=data@entry=0x7f24300247d0) at gstpad.c:4576
>        peer = 0x7f24180270a0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#35 0x00007f251adddf72 in gst_pad_push (pad=0x7f2418027540, buffer=0x7f24300247d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#36 0x00007f251b0dda1d in gst_base_transform_chain (pad=<optimized out>, parent=0x7f2418021980, buffer=<optimized out>) at gstbasetransform.c:2321
>        position_out = <optimized out>
>        trans = 0x7f2418021980
>        klass = 0x7f241004f040
>        priv = 0x7f24180218b0
>        ret = <optimized out>
>        position = 0
>        timestamp = <optimized out>
>        duration = <optimized out>
>        outbuf = 0x7f24300247d0
>        __PRETTY_FUNCTION__ = "gst_base_transform_chain"
>#37 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300247d0, type=4112, pad=0x7f24180272f0) at gstpad.c:4320
>        chainfunc = 0x7f251b0dd850 <gst_base_transform_chain>
>        parent = 0x7f2418021980
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#38 gst_pad_push_data (pad=pad@entry=0x7f242c0e4820, type=type@entry=4112, data=data@entry=0x7f24300247d0) at gstpad.c:4576
>        peer = 0x7f24180272f0
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#39 0x00007f251adddf72 in gst_pad_push (pad=pad@entry=0x7f242c0e4820, buffer=buffer@entry=0x7f24300247d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#40 0x00007f251adc377b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7f24300247d0) at gstghostpad.c:127
>        res = <optimized out>
>        internal = 0x7f242c0e4820
>        __func__ = "gst_proxy_pad_chain_default"
>#41 0x00007f251add5a8a in gst_pad_chain_data_unchecked (data=0x7f24300247d0, type=4112, pad=0x7f242c0e2b10) at gstpad.c:4320
>        chainfunc = 0x7f251adc36c0 <gst_proxy_pad_chain_default>
>        parent = 0x5627d24c99b0
>        ret = <optimized out>
>        handled = 0
>        ret = <optimized out>
>        parent = <optimized out>
>        handled = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_chain_data_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        info = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        chainlistfunc = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#42 gst_pad_push_data (pad=pad@entry=0x7f2410071c80, type=type@entry=4112, data=data@entry=0x7f24300247d0) at gstpad.c:4576
>        peer = 0x7f242c0e2b10
>        ret = GST_FLOW_OK
>        handled = 0
>        __PRETTY_FUNCTION__ = "gst_pad_push_data"
>#43 0x00007f251adddf72 in gst_pad_push (pad=0x7f2410071c80, buffer=buffer@entry=0x7f24300247d0) at gstpad.c:4695
>        res = <optimized out>
>        __func__ = "gst_pad_push"
>#44 0x00007f246f343eb7 in gst_queue_push_one (queue=0x7f242c0e8cf0) at gstqueue.c:1384
>        buffer = 0x7f24300247d0
>        data = <optimized out>
>        is_list = <optimized out>
>        result = <optimized out>
>        result = <optimized out>
>        data = <optimized out>
>        is_list = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_push_one"
>        buffer = <optimized out>
>        subbuffer = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        buffer_list = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        event = <optimized out>
>        type = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        query = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ret = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#45 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1537
>        queue = 0x7f242c0e8cf0
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#46 0x00007f251ae0b731 in gst_task_func (task=0x7f2410081710) at gsttask.c:332
>        lock = 0x7f2410071cf0
>        tself = 0x7f242c002280
>        priv = 0x7f24100816c0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#47 0x00007f251878f6f3 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x5627d21ecca0
>        pool = 0x5627d1ee16e0
>#48 0x00007f251878ecea in g_thread_proxy (data=0x7f242c002280) at gthread.c:784
>        thread = 0x7f242c002280
>        __func__ = "g_thread_proxy"
>#49 0x00007f251d078564 in start_thread (arg=<optimized out>) at pthread_create.c:439
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139793085994752, 2119584164780380845, 139793132408222, 139793132408223, 139793132408352, 139793132408352, -2079962749361253715, -2080526008337755475}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = -512
>#50 0x00007f2515dba31f in vmsplice (fd=490444544, iov=0x80, count=16, flags=0) at ../sysdeps/unix/sysv/linux/vmsplice.c:26
>        resultvar = 18446744073709551104
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#51 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 40 (Thread 0x7f2414ff9700 (LWP 2322)):
>#0  0x00007f2515db1197 in __setreuid (ruid=<optimized out>, euid=3224396928) at ../sysdeps/unix/sysv/linux/setreuid.c:29
>        __cmd = {syscall_no = -1372007280, id = {274877907198, 139792059311920, 139792947839248}, cntr = -773491948, error = 22055}
>        __result = <optimized out>
>        __result = <optimized out>
>        __cmd = <optimized out>
>        __p = <optimized out>
>        _a2 = <optimized out>
>        __arg1 = <optimized out>
>        euid = 3224396928
>        ruid = 0
>        __result = <optimized out>
>        resultvar = <optimized out>
>        resultvar = <optimized out>
>        __arg2 = <optimized out>
>        _a1 = <optimized out>
>        __result = <optimized out>
>        __cmd = <optimized out>
>        __p = <optimized out>
>        resultvar = <optimized out>
>        resultvar = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  0x0000000000000d68 in ?? ()
>No symbol table info available.
>#2  0x00007f24ad08383b in abi16_bo_init (bo=bo@entry=0x7f23e009a730, alignment=alignment@entry=0, config=config@entry=0xc0306480) at ../nouveau/abi16.c:354
>        dev = <optimized out>
>        drm = <optimized out>
>        req = {info = {handle = 43, domain = 4, size = 4194304, offset = 37617664, map_handle = 4845748224, tile_mode = 0, tile_flags = 0}, channel_hint = 0, align = 0}
>        info = 0x7f2414ff8110
>        ret = <optimized out>
>#3  0x00007f24ad080dd0 in nouveau_bo_new (dev=0x5627d1ec27b0, flags=23, align=0, size=4194304, config=0xc0306480, pbo=0x7f23e0025c30) at ../nouveau/nouveau.c:637
>        nvbo = 0x7f23e009a730
>        bo = 0x7f23e009a730
>        ret = <optimized out>
>#4  0x00007f24ad791f03 in ?? () from /usr/lib64/dri/nouveau_dri.so
>No symbol table info available.
>#5  0x0000000000000000 in ?? ()
>No symbol table info available.
>From                To                  Syms Read   Shared Object Library
>0x00007f25214176e0  0x00007f2522ec0f5e  Yes         /lib64/libwebkit2gtk-4.0.so.37
>0x00007f2520b707b0  0x00007f2520c5549e  Yes         /lib64/libxml2.so.2
>0x00007f252090ca10  0x00007f2520931fd2  Yes         /lib64/libxslt.so.1
>0x00007f252060d5d0  0x00007f25206d13d0  No          /lib64/libsqlite3.so.0
>                                        No          /lib64/libjavascriptcoregtk-4.0.so.18
>0x00007f251f1fbee0  0x00007f251f1fcbbe  Yes         /lib64/libdl.so.2
>0x00007f251d6524e0  0x00007f251d652599  Yes (*)     /lib64/libicudata.so.60
>0x00007f251d2f0a20  0x00007f251d3c17aa  No          /lib64/libicuuc.so.60
>0x00007f251d076be0  0x00007f251d0847f1  Yes         /lib64/libpthread.so.0
>0x00007f251cc809b0  0x00007f251cddc9be  Yes         /lib64/libicui18n.so.60
>0x00007f251c963500  0x00007f251c966bcf  Yes         /lib64/libGL.so.1
>0x00007f251c70ffe0  0x00007f251c71a907  Yes         /lib64/libEGL.so.1
>0x00007f251c502800  0x00007f251c50925e  Yes         /lib64/libwoff2dec.so.1.0.2
>0x00007f251c1f2690  0x00007f251c2bf95e  Yes         /lib64/libcairo.so.2
>0x00007f251bfa3200  0x00007f251bfc57de  Yes         /lib64/libfontconfig.so.1
>0x00007f251bcf16d0  0x00007f251bd6b643  Yes         /lib64/libfreetype.so.6
>0x00007f251ba48530  0x00007f251baaacbe  Yes         /lib64/libharfbuzz.so.0
>0x00007f251b83e040  0x00007f251b83e6ce  Yes         /lib64/libharfbuzz-icu.so.0
>0x00007f251b52d5c0  0x00007f251b5fabfc  Yes         /lib64/libgcrypt.so.20
>0x00007f251b315ac0  0x00007f251b31c2ce  Yes         /lib64/libgstapp-1.0.so.0
>0x00007f251b0aa110  0x00007f251b0f144d  Yes         /lib64/libgstbase-1.0.so.0
>0x00007f251ad8c290  0x00007f251ae376f8  Yes         /lib64/libgstreamer-1.0.so.0
>0x00007f251ab33e20  0x00007f251ab4c71e  Yes         /lib64/libgstpbutils-1.0.so.0
>0x00007f251a8bfcf0  0x00007f251a9036e3  Yes         /lib64/libgstaudio-1.0.so.0
>0x00007f251a67e310  0x00007f251a69b7ee  Yes         /lib64/libgsttag-1.0.so.0
>0x00007f251a3edbf0  0x00007f251a44446e  Yes         /lib64/libgstvideo-1.0.so.0
>0x00007f251a189490  0x00007f251a1b8418  Yes         /lib64/libgstgl-1.0.so.0
>0x00007f2519f6cdf0  0x00007f2519f745af  Yes         /lib64/libgstfft-1.0.so.0
>0x00007f2519d07ce0  0x00007f2519d41520  Yes         /lib64/libjpeg.so.62
>0x00007f2519ad55a0  0x00007f2519af7a05  Yes         /lib64/libpng16.so.16
>0x00007f2519865630  0x00007f25198b9d77  Yes         /lib64/libwebp.so.7
>0x00007f251965ee40  0x00007f2519660bd5  Yes         /lib64/libwebpdemux.so.2
>0x00007f2519442280  0x00007f251944f016  Yes         /lib64/libatk-1.0.so.0
>0x00007f251922de70  0x00007f2519232ffc  Yes         /lib64/libenchant.so.1
>0x00007f2518ebf4b0  0x00007f2518fa6dc2  Yes         /lib64/libgio-2.0.so.0
>0x00007f2518c84140  0x00007f2518c85066  Yes         /lib64/libgmodule-2.0.so.0
>0x00007f2518a3b7a0  0x00007f2518a6c5b0  Yes         /lib64/libgobject-2.0.so.0
>0x00007f25187350d0  0x00007f25187b00ae  Yes         /lib64/libglib-2.0.so.0
>0x00007f25184d57a0  0x00007f25185010a6  Yes         /lib64/libsecret-1.so.0
>0x00007f251821d430  0x00007f2518266d09  Yes         /lib64/libsoup-2.4.so.1
>0x00007f2517fbdcd0  0x00007f2517fc8a23  Yes         /lib64/libtasn1.so.6
>0x00007f2517db6010  0x00007f2517db8ce3  Yes         /lib64/libhyphen.so.0
>0x00007f2517a91f50  0x00007f2517b1a9a6  Yes         /lib64/libX11.so.6
>0x00007f2517871c70  0x00007f2517872695  Yes         /lib64/libXcomposite.so.1
>0x00007f251766ebe0  0x00007f251766f53b  Yes         /lib64/libXdamage.so.1
>0x00007f2517464ad0  0x00007f251746ae01  Yes         /lib64/libXrender.so.1
>0x00007f251720c130  0x00007f25172492c1  Yes         /lib64/libXt.so.6
>0x00007f2516fe4420  0x00007f2516ff15f7  Yes         /lib64/libz.so.1
>0x00007f2516dd4840  0x00007f2516ddaf25  No          /lib64/libwayland-server.so.0
>0x00007f2516bcc690  0x00007f2516bcc819  No          /lib64/libwayland-egl.so.1
>0x00007f25169c23c0  0x00007f25169c72d5  No          /lib64/libwayland-client.so.0
>0x00007f25166b7320  0x00007f251676ce8e  No          /lib64/libstdc++.so.6
>0x00007f25162a29f0  0x00007f2516354e6a  Yes         /lib64/libm.so.6
>0x00007f2516081ad0  0x00007f25160926a5  No          /lib64/libgcc_s.so.1
>0x00007f2515ce13a0  0x00007f2515e2803f  Yes         /lib64/libc.so.6
>0x00007f2515aba210  0x00007f2515abd46c  Yes         /lib64/librt.so.1
>0x00007f251522c980  0x00007f25155789e3  Yes         /lib64/libgtk-3.so.0
>0x00007f2514ed5e00  0x00007f2514f4b9fb  Yes         /lib64/libgdk-3.so.0
>0x00007f2514ca0b70  0x00007f2514ca5ff6  Yes         /lib64/libpangocairo-1.0.so.0
>0x00007f2514a61ff0  0x00007f2514a833d4  Yes         /lib64/libpango-1.0.so.0
>0x00007f251484f5d0  0x00007f251485073d  Yes         /lib64/libcairo-gobject.so.2
>0x00007f251462b5f0  0x00007f2514641b4d  Yes         /lib64/libgdk_pixbuf-2.0.so.0
>0x00007f251441e850  0x00007f2514420c83  Yes         /lib64/libnotify.so.4
>0x00007f2523a53f60  0x00007f2523a72060  Yes         /lib64/ld-linux-x86-64.so.2
>0x00007f25141f80b0  0x00007f251420efd6  Yes         /lib64/liblzma.so.5
>0x00007f2513fc6030  0x00007f2513fcff8d  Yes         /lib64/libGLX.so.0
>0x00007f2513db4710  0x00007f2513dbe853  Yes         /lib64/libXext.so.6
>0x00007f2513b36f80  0x00007f2513b39e3b  Yes         /lib64/libGLdispatch.so.0
>0x00007f25138f4b40  0x00007f25138f5140  Yes         /lib64/libwoff2common.so.1.0.2
>0x00007f25136e8aa0  0x00007f25136efbdf  Yes         /lib64/libbrotlidec.so.1.0.1
>0x00007f251344d510  0x00007f25134cfed1  Yes         /lib64/libpixman-1.so.0
>0x00007f251323fdb0  0x00007f2513240907  Yes         /lib64/libxcb-shm.so.0
>0x00007f2513021a40  0x00007f2513034699  Yes         /lib64/libxcb.so.1
>0x00007f2512e0d0d0  0x00007f2512e11dfc  Yes         /lib64/libxcb-render.so.0
>0x00007f2512bd0b50  0x00007f2512bf0e87  Yes         /lib64/libexpat.so.1
>0x00007f25129c7740  0x00007f25129cb171  No          /lib64/libuuid.so.1
>0x00007f25127b6700  0x00007f25127c33e6  No          /lib64/libbz2.so.1
>0x00007f251258b780  0x00007f25125ac68c  Yes         /lib64/libgraphite2.so.3
>0x00007f251236d1e0  0x00007f251237e78e  Yes         /lib64/libgpg-error.so.0
>0x00007f25120f6cf0  0x00007f2512143937  Yes         /lib64/liborc-0.4.so.0
>0x00007f2511ee9260  0x00007f2511ee9ee9  Yes         /lib64/libgstallocators-1.0.so.0
>0x00007f2511cdc9f0  0x00007f2511cdd8ff  Yes         /lib64/libGLESv2.so.2
>0x00007f2511ad3590  0x00007f2511ad366f  Yes         /lib64/libX11-xcb.so.1
>0x00007f25118cc250  0x00007f25118cdce1  No          /lib64/libwayland-cursor.so.0
>0x00007f25116c3810  0x00007f25116c829a  Yes         /lib64/libffi.so.6
>0x00007f2511452660  0x00007f25114a2b86  Yes         /lib64/libpcre.so.1
>0x00007f251122edf0  0x00007f25112467ff  Yes         /lib64/libselinux.so.1
>0x00007f2511014840  0x00007f251102060e  Yes         /lib64/libresolv.so.2
>0x00007f2510dc3ee0  0x00007f2510dfb25e  No          /lib64/libmount.so.1
>0x00007f2510b74850  0x00007f2510ba7a9f  Yes         /lib64/libgssapi_krb5.so.2
>0x00007f2510963590  0x00007f251096595a  Yes         /lib64/libXfixes.so.3
>0x00007f251075abc0  0x00007f251075ee07  Yes         /lib64/libSM.so.6
>0x00007f2510541f30  0x00007f251054fada  Yes         /lib64/libICE.so.6
>0x00007f251032e1e0  0x00007f2510338ddb  Yes         /lib64/libXi.so.6
>0x00007f25101067d0  0x00007f251011ab2e  Yes         /lib64/libatk-bridge-2.0.so.0
>0x00007f250fe27f00  0x00007f250fe8de5d  Yes         /lib64/libepoxy.so.0
>0x00007f250fbbb500  0x00007f250fbc4861  Yes         /lib64/libpangoft2-1.0.so.0
>0x00007f250f9b1b50  0x00007f250f9b24c1  Yes         /lib64/libXinerama.so.1
>0x00007f250f7a7ce0  0x00007f250f7adf59  Yes         /lib64/libXrandr.so.2
>0x00007f250f59da00  0x00007f250f5a24bf  Yes         /lib64/libXcursor.so.1
>0x00007f250f35f5e0  0x00007f250f37a25e  Yes         /lib64/libxkbcommon.so.0
>0x00007f250f152f10  0x00007f250f156ad7  Yes         /lib64/libthai.so.0
>0x00007f250ef366b0  0x00007f250ef3aa3f  Yes         /lib64/libfribidi.so.0
>0x00007f250ed155b0  0x00007f250ed156a0  Yes         /lib64/libbrotlicommon.so.1.0.1
>0x00007f250eb11e70  0x00007f250eb12b5e  Yes         /lib64/libXau.so.6
>0x00007f250e893160  0x00007f250e8edcb3  Yes         /lib64/libpcre2-8.so.0
>0x00007f250e64a6f0  0x00007f250e67b27e  No          /lib64/libblkid.so.1
>0x00007f250e3793b0  0x00007f250e3e4c71  Yes         /lib64/libkrb5.so.3
>0x00007f250e124890  0x00007f250e1432d6  Yes         /lib64/libk5crypto.so.3
>0x00007f250df1d500  0x00007f250df1e0d9  No          /lib64/libcom_err.so.2
>0x00007f250dd10ad0  0x00007f250dd17f1b  No          /lib64/libkrb5support.so.0
>0x00007f250db0a5f0  0x00007f250db0b378  No          /lib64/libkeyutils.so.1
>0x00007f250d8e6a30  0x00007f250d8f8efc  Yes         /lib64/libatspi.so.0
>0x00007f250d694900  0x00007f250d6c0161  No          /lib64/libdbus-1.so.3
>0x00007f250d4803b0  0x00007f250d4835a0  Yes         /lib64/libdatrie.so.1
>0x00007f250d1f1100  0x00007f250d255789  No          /lib64/libsystemd.so.0
>0x00007f250cfccfd0  0x00007f250cfde3db  No          /lib64/liblz4.so.1
>0x00007f250cdc75b0  0x00007f250cdc8e8f  Yes         /lib64/libcap.so.2
>0x00007f25003eace0  0x00007f25003efe12  Yes         /usr/lib64/gio/modules/libdconfsettings.so
>0x00007f24afbd7110  0x00007f24afbf238a  No          /usr/lib64/gio/modules/libgvfsdbus.so
>0x00007f24af99fa70  0x00007f24af9b724a  No          /usr/lib64/gvfs/libgvfscommon.so
>0x00007f24af789e80  0x00007f24af78a7a8  Yes         /lib64/libutil.so.1
>0x00007f24af3cf4e0  0x00007f24af3eec2e  No          /lib64/libEGL_mesa.so.0
>0x00007f24af1c28d0  0x00007f24af1c3b39  Yes         /lib64/libxcb-dri2.so.0
>0x00007f24aefbd5c0  0x00007f24aefbe4c7  Yes         /lib64/libxcb-dri3.so.0
>0x00007f24aedb6c00  0x00007f24aedb942e  Yes         /lib64/libxcb-xfixes.so.0
>0x00007f24aebb1d90  0x00007f24aebb266a  Yes         /lib64/libxcb-present.so.0
>0x00007f24ae9ac270  0x00007f24ae9ae526  Yes         /lib64/libxcb-sync.so.1
>0x00007f24ae7a79b0  0x00007f24ae7a7c60  Yes         /lib64/libxshmfence.so.1
>0x00007f24ae59b790  0x00007f24ae5a0f32  No          /lib64/libgbm.so.1
>0x00007f24ae38bf50  0x00007f24ae39499f  Yes         /lib64/libdrm.so.2
>0x00007f24ae161b00  0x00007f24ae16d56b  No          /lib64/libglapi.so.0
>0x00007f24ad2ff0b0  0x00007f24ada9973e  No          /usr/lib64/dri/nouveau_dri.so
>0x00007f24ad07f9e0  0x00007f24ad0838ec  Yes         /lib64/libdrm_nouveau.so.2
>0x00007f24ace73760  0x00007f24ace7b122  Yes         /lib64/libdrm_radeon.so.1
>0x00007f24acc6a310  0x00007f24acc6eea7  Yes         /lib64/libdrm_amdgpu.so.1
>0x00007f24aca52f00  0x00007f24aca62311  No          /lib64/libelf.so.1
>0x00007f249cd22780  0x00007f249ea589ff  Yes         /lib64/libLLVM-6.0.so
>0x00007f24ac821b90  0x00007f24ac83c3f0  Yes         /lib64/../lib64/libedit.so.0
>0x00007f24ac5f9fa0  0x00007f24ac60771c  No          /lib64/../lib64/libtinfo.so.6
>0x00007f24ac3e4530  0x00007f24ac3e9409  No          /lib64/libnss_sss.so.2
>0x00007f24ac1e0a30  0x00007f24ac1e0b19  Yes         /usr/lib64/webkit2gtk-4.0/injected-bundle/libwebkit2gtkinjectedbundle.so
>0x00007f249c45f410  0x00007f249c4659cf  No          /usr/lib64/yelp/web-extensions/libyelpwebextension.so
>0x00007f246f57fa00  0x00007f246f5dbb97  Yes         /usr/lib64/gstreamer-1.0/libgstplayback.so
>0x00007f246f31e080  0x00007f246f358bb6  Yes         /usr/lib64/gstreamer-1.0/libgstcoreelements.so
>0x00007f246f10e3a0  0x00007f246f1101d8  Yes         /usr/lib64/gstreamer-1.0/libgstautodetect.so
>0x00007f246ef075b0  0x00007f246ef09358  Yes         /usr/lib64/gstreamer-1.0/libgstaudioconvert.so
>0x00007f246ecff6b0  0x00007f246ed02318  Yes         /usr/lib64/gstreamer-1.0/libgstaudioresample.so
>0x00007f246eaf5b30  0x00007f246eaf9534  Yes         /usr/lib64/gstreamer-1.0/libgstvolume.so
>0x00007f246e8c9b80  0x00007f246e8dfe06  Yes         /usr/lib64/gstreamer-1.0/libgstopengl.so
>0x00007f246e6b1010  0x00007f246e6ba26e  Yes         /lib64/libgstcontroller-1.0.so.0
>0x00007f246e4ac840  0x00007f246e4ac9b8  Yes         /usr/lib64/gstreamer-1.0/libgstapp.so
>0x00007f246e28cf60  0x00007f246e2a2a64  Yes         /usr/lib64/gstreamer-1.0/libgstaudiofx.so
>0x00007f246e0725c0  0x00007f246e080ff9  Yes         /usr/lib64/gstreamer-1.0/libgstpulseaudio.so
>0x00007f246de26e70  0x00007f246de540b1  No          /lib64/libpulse.so.0
>0x00007f246dbab880  0x00007f246dbf12be  No          /usr/lib64/pulseaudio/libpulsecommon-12.2.so
>0x00007f246d990460  0x00007f246d992deb  Yes         /lib64/libXtst.so.6
>0x00007f246d7239d0  0x00007f246d76d545  Yes         /lib64/libsndfile.so.1
>0x00007f246d518310  0x00007f246d51a9ac  Yes         /lib64/libasyncns.so.0
>0x00007f246d30c2f0  0x00007f246d314773  Yes         /lib64/libgsm.so.1
>0x00007f246d0baf90  0x00007f246d1000b3  No          /lib64/libFLAC.so.8
>0x00007f246ceaca00  0x00007f246ceaedf9  Yes         /lib64/libogg.so.0
>0x00007f246cc81650  0x00007f246cc9865d  Yes         /lib64/libvorbis.so.0
>0x00007f246c9e8ae0  0x00007f246c9eb176  Yes         /lib64/libvorbisenc.so.2
>0x00007f2456de7e10  0x00007f2456df6258  Yes         /usr/lib64/gstreamer-1.0/libgsttypefindfunctions.so
>0x00007f243fdbba90  0x00007f243fdec181  Yes         /usr/lib64/gstreamer-1.0/libgstmatroska.so
>0x00007f243f9f2ac0  0x00007f243f9faba6  Yes         /lib64/libgstriff-1.0.so.0
>0x00007f243d7dec90  0x00007f243d7e6638  Yes         /usr/lib64/gstreamer-1.0/libgstvpx.so
>0x00007f243d3aa030  0x00007f243d589b83  Yes         /lib64/libvpx.so.5
>0x00007f243c19a090  0x00007f243c19f8da  Yes         /usr/lib64/gstreamer-1.0/libgstvorbis.so
>0x00007f241edf4710  0x00007f241edfb388  Yes         /usr/lib64/gstreamer-1.0/libgstvideofilter.so
>0x00007f241ebee100  0x00007f241ebef588  Yes         /usr/lib64/gstreamer-1.0/libgstvideoconvert.so
>0x00007f241e9e5a20  0x00007f241e9e8778  Yes         /usr/lib64/gstreamer-1.0/libgstvideoscale.so
>0x00007f241e3c06b0  0x00007f241e3f6544  Yes         /usr/lib64/gstreamer-1.0/libgstdeinterlace.so
>(*): Shared library is missing debugging information.
>$1 = 0x7f24fc031000 ""
>$2 = 0x0
>rax            0x0	0
>rbx            0x6	6
>rcx            0x7f2515cf6f4b	139797256433483
>rdx            0x0	0
>rsi            0x7f23f3ffe140	139792394215744
>rdi            0x2	2
>rbp            0x7f23f3ffe490	0x7f23f3ffe490
>rsp            0x7f23f3ffe140	0x7f23f3ffe140
>r8             0x0	0
>r9             0x7f23f3ffe140	139792394215744
>r10            0x8	8
>r11            0x246	582
>r12            0x1000	4096
>r13            0x7f23f3ffe3b0	139792394216368
>r14            0x10	16
>r15            0x7f24fc031000	139796823609344
>rip            0x7f2515cf6f4b	0x7f2515cf6f4b <__GI___libc_sigaction+11>
>eflags         0x246	[ PF ZF IF ]
>cs             0x33	51
>ss             0x2b	43
>ds             0x0	0
>es             0x0	0
>fs             0x0	0
>gs             0x0	0
>Dump of assembler code for function __GI___libc_sigaction:
>   0x00007f2515cf6f40 <+0>:	sub    $0x148,%rsp
>   0x00007f2515cf6f47 <+7>:	mov    %rdx,%r8
>   0x00007f2515cf6f4a <+10>:	mov    %fs:0x28,%rax
>   0x00007f2515cf6f53 <+19>:	mov    %rax,0x138(%rsp)
>   0x00007f2515cf6f5b <+27>:	xor    %eax,%eax
>   0x00007f2515cf6f5d <+29>:	test   %rsi,%rsi
>   0x00007f2515cf6f60 <+32>:	je     0x7f2515cf70d8 <__GI___libc_sigaction+408>
>   0x00007f2515cf6f66 <+38>:	mov    (%rsi),%rax
>   0x00007f2515cf6f69 <+41>:	movdqu 0x8(%rsi),%xmm0
>   0x00007f2515cf6f6e <+46>:	mov    %rsp,%rcx
>   0x00007f2515cf6f71 <+49>:	lea    0xa0(%rsp),%rdx
>   0x00007f2515cf6f79 <+57>:	movdqu 0x18(%rsi),%xmm1
>   0x00007f2515cf6f7e <+62>:	movdqu 0x28(%rsi),%xmm2
>   0x00007f2515cf6f83 <+67>:	movdqu 0x38(%rsi),%xmm3
>   0x00007f2515cf6f88 <+72>:	movdqu 0x48(%rsi),%xmm4
>   0x00007f2515cf6f8d <+77>:	mov    %rax,(%rsp)
>   0x00007f2515cf6f91 <+81>:	mov    0x88(%rsi),%eax
>   0x00007f2515cf6f97 <+87>:	movdqu 0x58(%rsi),%xmm5
>   0x00007f2515cf6f9c <+92>:	movups %xmm0,0x18(%rsp)
>   0x00007f2515cf6fa1 <+97>:	movdqu 0x68(%rsi),%xmm6
>   0x00007f2515cf6fa6 <+102>:	movdqu 0x78(%rsi),%xmm7
>   0x00007f2515cf6fab <+107>:	movups %xmm1,0x28(%rcx)
>   0x00007f2515cf6faf <+111>:	mov    %rcx,%rsi
>   0x00007f2515cf6fb2 <+114>:	or     $0x4000000,%eax
>   0x00007f2515cf6fb7 <+119>:	test   %r8,%r8
>   0x00007f2515cf6fba <+122>:	movups %xmm2,0x38(%rcx)
>   0x00007f2515cf6fbe <+126>:	cltq   
>   0x00007f2515cf6fc0 <+128>:	movups %xmm3,0x48(%rcx)
>   0x00007f2515cf6fc4 <+132>:	mov    %rax,0x8(%rsp)
>   0x00007f2515cf6fc9 <+137>:	lea    -0xa0(%rip),%rax        # 0x7f2515cf6f30 <__restore_rt>
>   0x00007f2515cf6fd0 <+144>:	mov    %rax,0x10(%rsp)
>   0x00007f2515cf6fd5 <+149>:	mov    $0x0,%eax
>   0x00007f2515cf6fda <+154>:	cmove  %rax,%rdx
>   0x00007f2515cf6fde <+158>:	movups %xmm4,0x58(%rcx)
>   0x00007f2515cf6fe2 <+162>:	movups %xmm5,0x68(%rcx)
>   0x00007f2515cf6fe6 <+166>:	movups %xmm6,0x78(%rcx)
>   0x00007f2515cf6fea <+170>:	movups %xmm7,0x88(%rcx)
>   0x00007f2515cf6ff1 <+177>:	mov    $0xd,%ecx
>   0x00007f2515cf6ff6 <+182>:	mov    $0x8,%r10d
>   0x00007f2515cf6ffc <+188>:	mov    %ecx,%eax
>   0x00007f2515cf6ffe <+190>:	syscall 
>   0x00007f2515cf7000 <+192>:	mov    %rax,%rdx
>   0x00007f2515cf7003 <+195>:	cmp    $0xfffffffffffff000,%rax
>   0x00007f2515cf7009 <+201>:	ja     0x7f2515cf70f8 <__GI___libc_sigaction+440>
>   0x00007f2515cf700f <+207>:	test   %r8,%r8
>   0x00007f2515cf7012 <+210>:	je     0x7f2515cf70b9 <__GI___libc_sigaction+377>
>   0x00007f2515cf7018 <+216>:	test   %eax,%eax
>   0x00007f2515cf701a <+218>:	js     0x7f2515cf70b9 <__GI___libc_sigaction+377>
>   0x00007f2515cf7020 <+224>:	mov    0xa0(%rsp),%rdx
>   0x00007f2515cf7028 <+232>:	movdqu 0xb8(%rsp),%xmm0
>   0x00007f2515cf7031 <+241>:	movdqu 0xc8(%rsp),%xmm1
>   0x00007f2515cf703a <+250>:	movdqu 0xd8(%rsp),%xmm2
>   0x00007f2515cf7043 <+259>:	movdqu 0xe8(%rsp),%xmm3
>   0x00007f2515cf704c <+268>:	mov    %rdx,(%r8)
>   0x00007f2515cf704f <+271>:	mov    0xa8(%rsp),%rdx
>   0x00007f2515cf7057 <+279>:	movups %xmm0,0x8(%r8)
>   0x00007f2515cf705c <+284>:	movdqu 0xf8(%rsp),%xmm4
>   0x00007f2515cf7065 <+293>:	movdqu 0x108(%rsp),%xmm5
>   0x00007f2515cf706e <+302>:	movups %xmm1,0x18(%r8)
>   0x00007f2515cf7073 <+307>:	movdqu 0x118(%rsp),%xmm6
>   0x00007f2515cf707c <+316>:	movdqu 0x128(%rsp),%xmm7
>   0x00007f2515cf7085 <+325>:	mov    %edx,0x88(%r8)
>   0x00007f2515cf708c <+332>:	mov    0xb0(%rsp),%rdx
>   0x00007f2515cf7094 <+340>:	movups %xmm2,0x28(%r8)
>   0x00007f2515cf7099 <+345>:	movups %xmm3,0x38(%r8)
>   0x00007f2515cf709e <+350>:	mov    %rdx,0x90(%r8)
>   0x00007f2515cf70a5 <+357>:	movups %xmm4,0x48(%r8)
>   0x00007f2515cf70aa <+362>:	movups %xmm5,0x58(%r8)
>   0x00007f2515cf70af <+367>:	movups %xmm6,0x68(%r8)
>   0x00007f2515cf70b4 <+372>:	movups %xmm7,0x78(%r8)
>   0x00007f2515cf70b9 <+377>:	mov    0x138(%rsp),%rcx
>   0x00007f2515cf70c1 <+385>:	xor    %fs:0x28,%rcx
>   0x00007f2515cf70ca <+394>:	jne    0x7f2515cf710b <__GI___libc_sigaction+459>
>   0x00007f2515cf70cc <+396>:	add    $0x148,%rsp
>   0x00007f2515cf70d3 <+403>:	retq   
>   0x00007f2515cf70d4 <+404>:	nopl   0x0(%rax)
>   0x00007f2515cf70d8 <+408>:	xor    %edx,%edx
>   0x00007f2515cf70da <+410>:	xor    %esi,%esi
>   0x00007f2515cf70dc <+412>:	test   %r8,%r8
>   0x00007f2515cf70df <+415>:	je     0x7f2515cf6ff1 <__GI___libc_sigaction+177>
>   0x00007f2515cf70e5 <+421>:	lea    0xa0(%rsp),%rdx
>   0x00007f2515cf70ed <+429>:	xor    %esi,%esi
>   0x00007f2515cf70ef <+431>:	jmpq   0x7f2515cf6ff1 <__GI___libc_sigaction+177>
>   0x00007f2515cf70f4 <+436>:	nopl   0x0(%rax)
>   0x00007f2515cf70f8 <+440>:	mov    0x381d81(%rip),%rax        # 0x7f2516078e80
>   0x00007f2515cf70ff <+447>:	neg    %edx
>   0x00007f2515cf7101 <+449>:	mov    %edx,%fs:(%rax)
>   0x00007f2515cf7104 <+452>:	mov    $0xffffffff,%eax
>   0x00007f2515cf7109 <+457>:	jmp    0x7f2515cf70b9 <__GI___libc_sigaction+377>
>   0x00007f2515cf710b <+459>:	callq  0x7f2515dcb280 <__stack_chk_fail>
>End of assembler dump.
>== EXPLOITABLE ==

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Attachments on bug 1633213: 1487213 | 1487214 | 1487215 | 1487216 | 1487217 | 1487218 | 1487219 | 1487220 | 1487221 | 1487222 | 1487223