[gstreamer-bugs] [Bug 591919] mpeg2dec doesn't handle pixel-aspect-ratio change

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=591919
  GStreamer | gst-plugins-ugly | 0.10.12

manuel.weichselbaumer changed:

           What    |Removed                     |Added
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                 CC|                            |manuel.weichselbaumer at googl
                   |                            |email.com

--- Comment #7 from manuel.weichselbaumer at googlemail.com 2010-01-08 14:10:21 UTC ---
I got a similar problem while playing recorded DVB-T streams from VDR. The
aspect ratio gets changed when advertisement gets faded in within the video
stream. But gstreamer based applications do not react to the aspect ratio
changes.

This issue occured while developing a custom application using gstreamer and it
could be reproduced playing the same stream with Totem.

This is my testing environemnt:
totem 2.28.2-0ubuntu3
gstreamer0.10-x 0.10.25-2ubuntu1.2

Since this is an MPEG stream, i see the following options for decoding the
video:
gstreamer0.10-plugins-ugly_0.10.12-1 with libmpeg2-4_0.4.1-3
or
gstreamer0.10-ffmpeg_0.10.9-1

The problem occured with both options, while the aspect ratio switched
correctly when playing the video with mplayer.

The attached file prints out the buffer caps including the pixel aspect ratio.
The aspect ratio has always the same value, depending on which aspect ratio
occured first.

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