[gstreamer-bugs] [Bug 154906] [qtdemux] A/V Synch problem + crackling sound

[bugzilla-daemon at bugzilla.gnome.org]

http://bugzilla.gnome.org/show_bug.cgi?id=154906
GStreamer | don't know | Ver: HEAD CVS





------- Additional Comments From rbultje at ronald.bitfreak.net  2004-12-23 10:05 -------
This reminds me of a emms bug... Hmm...

Look at

gst-launch filesrc location=~/Media/bugs/menace00.mov ! qtdemux .audio_00 ! {
queue ! ffdec_adpcm_ima_qt ! audioconvert ! audioscale ! alsasink device=dmix }
{ qtdemux0.video_00 ! queue ! ffdec_svq1 ! ffmpegcolorspace ! xvimagesink }

which crackles, whereas

gst-launch filesrc location=~/Media/bugs/menace00.mov ! qtdemux .audio_00 ! {
queue ! ffdec_adpcm_ima_qt ! audioconvert ! audioscale ! alsasink device=dmix }

works perfectly. Note that the same goes if you remove audioscale/audioconvert.
Also, osssink works fine (with video). Valgrind shows no interesting debugs
inside ffmpeg... I can't get too much interesting data from alsasink, but I
suppose that's where we should look. Maybe this is because we use very small
sample buffers?

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