[gstreamer-bugs] [Bug 574661] New: [gstffmpegdec] Wrong usage of parsers

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-ffmpeg | Ver: git
           Summary: [gstffmpegdec] Wrong usage of parsers
           Product: GStreamer
           Version: git
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: blocker
          Priority: Normal
         Component: gst-ffmpeg
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: bilboed at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Our usage of parsers is completely wrong. We currently assume that if there's a
parser for a given codec we should use it, whereas there's no guarantee that
it's the appropriate parser to use for the given stream.

To figure out whether a parser is needed or not, we should actually probe the
incoming stream mimicing the parsing being done in libavformat.

As such, I'd like to *NOT* use the parsers for the following codecs (tested
against many files, removes errors and introduces no regressions so far):
* mpeg2video
* aac


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