[gstreamer-bugs] [Bug 380944] New: [dvdec] Doesn't set pixel-aspect-ratio

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-good | Ver: HEAD CVS

           Summary: [dvdec] Doesn't set pixel-aspect-ratio
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: bilboed at bilboed.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


dvdec assumes that the pixel-aspect-ratio property on the caps will be set by
upstream elements, which is true for DV in DV system streams. But if that
stream is contained in an AVI or a Quicktime file, the demuxer will not set the
pixel-aspect-ratio.

This causes problems since the outgoing caps will not have PAR, which means
that the display aspect ratio will be wrong (it can be seen quite clearly with
widescreen DV files).

The libdv API offers enough to actually figure out what PAR should be set (the
same logic is done in dvdemux in fact).


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