[gstreamer-bugs] [Bug 626740] New: Audio and video out of sync, when playing segments.

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=626740
  GStreamer | gst-plugins | 0.10.30

           Summary: Audio and video out of sync, when playing segments.
    Classification: Desktop
           Product: GStreamer
           Version: 0.10.30
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: wl2776 at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


Created an attachment (id=167739)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=167739)
Code

I've developed a simple program (code attached), which saves two pieces of the
MPEG2-PS file to another MPEG-2 PS file.

It constructs a pipeline: 
uridecodebin -> twolame  -> multiqueue -> mpegmux -> filesink
             -> mpeg2enc ->

Then it issues two segment seeks: one from 5th through 25th second, and another
one from 90th to 125th seconds.

Therefore, the resulting file should be 55 second long and contain two
fragments of the source file.

When the resulting file is played using any media player either GStreamer
based, or not, when the second fragment begins, sound and video are out of
sync.
First, the picture appears, and then, after some seconds, sound appears.

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