[Bug 737173] New: h264parse wrongly insert DISCONT flags when converting into AVC

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue Sep 23 06:10:00 PDT 2014


https://bugzilla.gnome.org/show_bug.cgi?id=737173
  GStreamer | gst-plugins-bad | git

           Summary: h264parse wrongly insert DISCONT flags when converting
                    into AVC
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Mac OS
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: n770galaxy at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Running the following pipeline produces wrongly ordered frames being rendered.

GST_DEBUG=*parse*:6 gst-launch-1.0 -fv filesrc location=
~/media/interlaced_short.mts ! tsdemux ! h264parse ! video/x-h264,
stream-format="avc", alignment="au" ! vtdec ! queue ! glimagesink 2> ~/gst.log

Clip at https://dl.dropboxusercontent.com/u/4577541/interlaced_short.mts

Digging in the log seems that skipped data like SEIs is interpreted as a
DISCONT which seems a wrong behaviour.

Other issues might be somewhere else in the vtenc or video decoder base class.

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