[Bug 701397] New: mpeg4videoparse doesn't override PAR from demuxer

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=701397
  GStreamer | gst-plugins-bad | git

           Summary: mpeg4videoparse doesn't override PAR from demuxer
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: matej.knopp at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


I have an AVI file with vprp header that has incorrect aspect ratio. Every
other player display the video right (overriding the wrong avi aspect ratio
from MPEG 4 vol), but in gstreamer the parser checks if pixel-aspect-ratio
already is present in caps and if it is it leaves it alone.

Why does gstreamer assume that the demuxer knows the real PAR better than video
parser?

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