Description of problem: While I was able to record screencasts in Fedora 10 at full size, with the latest Istanbul package running under Fedora 12 (on exactly the same hardware) I get audio distorted and video at about 1 frame per 3 seconds. The script takes up almost all cpu. Version-Release number of selected component (if applicable): istanbul-0.2.2-13.fc12.i686 How reproducible: Always Steps to Reproduce: $ istanbul -r test.ogg --coords 0,0,1680,1050 --video-size full $ or click the record icon in gnome panel Actual results: Distorted audio & video. Expected results: Nicely recorded screencast as before. Additional info: final pipeline: oggmux name=mux ! filesink location=test.ogg istximagesrc name=videosource display-name=:0.0 screen-num=0 startx=0 starty=0 endx=1679 endy=1049 use-damage=false show-pointer=false ! video/x-raw-rgb,framerate=10/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=1680,height=1050,framerate=10/1 ! theoraenc ! queue ! mux. gconfaudiosrc name=audiosource ! audioconvert ! vorbisenc ! queue ! mux. I get the same results with the latest gstreamer & libvorbis packages from updates-testing repo: libvorbis-1.2.3-4.fc12.i686 gstreamer-0.10.25.1-3.fc12.i686 cpuinfo: Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz
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I have the same problem with istanbul-0.2.2-15.fc14.x86_64 on my Dell Latitude D620. When I record at full size (1440 x 900), I get one frame every few seconds. The problem did not occur with Fedora 10 on the same machine.
Matt, A little test for you. can you take the final gstreamer pipeline that istanbul is using and get the same poor result under gst-launch? My gut feeling is that there's a real problem in the istximagesrc gstreamer module as shipped as part of upstream istanbul. I'm going to try to find someone with more experience building gstreamer pipelines and see if there is a more standard module now available as part of the gstreamer package set that does what istximagesrc is doing. -jef
(In reply to comment #3) > A little test for you. can you take the final gstreamer pipeline that istanbul > is using and get the same poor result under gst-launch? How do I do that? Here is the istanbul output: $ istanbul ** Message: pygobject_register_sinkfunc is deprecated (GstObject) DEBUG: final pipeline: istximagesrc name=videosource display-name=:0.0 screen-num=0 ! video/x-raw-rgb,framerate=10/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=1440,height=900,framerate=10/1 ! theoraenc ! oggmux name=mux ! filesink location=/tmp/tmprAx9dV This didn't work: $ gst-launch 'istximagesrc name=videosource display-name=:0.0 screen-num=0 ! video/x-raw-rgb,framerate=10/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=1440,height=900,framerate=10/1 ! theoraenc ! oggmux name=mux ! filesink location=/home/matt/Desktop/test.ogg' Setting pipeline to PAUSED ... Pipeline is live and does not need PREROLL ... Setting pipeline to PLAYING ... New clock: GstSystemClock ERROR: from element /GstPipeline:pipeline0/GstIstXImageSrc:istximagesrc0: Internal data flow error. Additional debug info: gstbasesrc.c(2550): gst_base_src_loop (): /GstPipeline:pipeline0/GstIstXImageSrc:istximagesrc0: streaming task paused, reason not-linked (-1) Execution ended after 16020430 ns. Setting pipeline to PAUSED ... Setting pipeline to READY ... Setting pipeline to NULL ... Freeing pipeline ...
Here's my pipeline. I don't get any errors: gst-launch 'oggmux name=mux ! filesink location=/tmp/tmpVLotBV istximagesrc name=videosource display-name=:0.0 screen-num=0 ! video/x-raw-rgb,framerate=10/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=1920,height=1080,framerate=10/1 ! theoraenc ! queue ! mux. gconfaudiosrc name=audiosource ! audioconvert ! vorbisenc ! queue ! mux.' Setting pipeline to PAUSED ... Pipeline is PREROLLED ... Setting pipeline to PLAYING ... New clock: GstSystemClock ... but neither is /tmp/tmpVLotBV created. What next?
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