[Bug 667564] New: mpeg4videoparse: does not detect config data when VOP only stream is sent

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=667564
  GStreamer | gst-plugins-bad | git

           Summary: mpeg4videoparse: does not detect config data when VOP
                    only stream is sent
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: marc.leeman at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


A hardware based encoder only sends VOP headers; and as such, the config_data
is never found (mp4vparse->vol_offset remains smaller than 0 and vo_found
remains FALSE, though it is in the stream), and the data is dropped by default.

Disabling the parser (or enabling drop=0 on the mpeg4videoparser) allows
correct decoding.

clip of 30":
http://crichton.homelinux.org/~marc/downloads/mango-dsp-ivs-raven-m.gdp.gz

This bug also affects rtpmp4vpay when the data is sent out the rtp payloader

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