Red Hat Bugzilla – Bug 622330
Unable to play audio at non-native sample rate
Last modified: 2011-06-28 10:49:07 EDT
Created attachment 437497 [details]
pulseaudio -vvvvv log
Description of problem:
I had some troubles with playback in Rhythmbox that seemed random. However, I found a pattern in that the files that didn't work were all at non-native sample rates.
My sound card only supports 48kHz. The files that didn't work were 44.1kHz. I reduced the test case to a simple gst-launch line.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Run this command: `gst-launch audiotestsrc ! audioresample ! audio/x-raw-int,rate=44100 ! pulsesink`
There is no sound output, pulseaudio uses lots of CPU, and eventually dies if you leave it long enough:
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstPulseSinkClock
ERROR: from element /GstPipeline:pipeline0/GstPulseSink:pulsesink0: pa_stream_writable_size() failed: Connection terminated
Additional debug info:
pulsesink.c(1571): gst_pulseringbuffer_commit (): /GstPipeline:pipeline0/GstPulseSink:pulsesink0
Execution ended after 3734570095 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...
Playing test sound with no errors.
If I change the rate in the command to 48000, then audio plays correctly.
If I use "alsasink" instead, then audio plays correctly.
If I use `mplayer -ao pulse <file that's 44100Hz>`, then audio plays correctly.
Created attachment 437498 [details]
Output from alsa-info.sh
I forgot to mention this. In the pulseaudio log, there are a couple streams that worked correctly. These are using 48000 rate. Around line 1800 is where the 44100 stream is played, and you can see a bunch of stuff repeating after that until pulseaudio dies.
I was going to post a log from running gst-inspect with GST_DEBUG set, but it's huge, so just ask if you'd like a snippet from it and know in what part it should be.
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