[gstreamer-bugs] [Bug 552603] New: video freeze while don't send any audio buffer to sink

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gstreamer (core) | Ver: 0.10.19
           Summary: video freeze while don't send any audio buffer to sink
           Product: GStreamer
           Version: 0.10.19
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: critical
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: chen_yong007 at yahoo.com.cn
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: 2.19/2.20
   GNOME milestone: Unspecified


Steps to reproduce:
my pipeline obtain video link to xvimagesink and audio link to osssink, while i
playback a file with audio and video data, it is ok; however i playback a file
only with video or only with audio, it is not ok that picture or audio will be
freeze, i  trace basesink, and found audio sink or video sink is preroll status
and waiting first buffer to render. i don't know how to avoid it. my stream
maybe only video in first 10 second, then audio occur. Anybody can advise me?



Stack trace:


Other information:


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