[Bug 736397] New: flvdemux: Per-stream resyncing behavior causes A/V-desyncs

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Wed Sep 10 02:53:40 PDT 2014


https://bugzilla.gnome.org/show_bug.cgi?id=736397
  GStreamer | gst-plugins-good | 1.4.1

           Summary: flvdemux: Per-stream resyncing behavior causes
                    A/V-desyncs
    Classification: Platform
           Product: GStreamer
           Version: 1.4.1
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: jan.steffens at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


We have a RTMP setup here where there is usually a large gap (about 4 to 8
seconds) in the video tags soon after connection, while audio tags continue
seamlessly. flvdemux decides to collapse the gap in the video stream, causing
audio and video to desynchronize.

As a workaround I've already patched flvdemux and raised the resync threshold
to 30 seconds. A proper solution would be preferred, though.

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