[Bug 685103] mpegvideoparse: wrong pixel-aspect-ratio

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue Jan 29 07:40:40 PST 2013


https://bugzilla.gnome.org/show_bug.cgi?id=685103
  GStreamer | gst-plugins-bad | 2.x

--- Comment #8 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2013-01-29 15:40:33 UTC ---
I don't really care too much about what we did in 0.10, but vlc and mplayer
play this clip with a 4:3 aspect ratio, and it looks like that's how it's
supposed to be played. Surely that's not just coincidence? I want GStreamer to
play the clip with a 4:3 aspect ratio as well. So it seems to me like either
there's something we're missing, or we're doing the right thing but the data in
the extension is bogus, and we should figure out somehow that it's bogus. The
video *decoders* should ignore any aspect ratio information they find in the
bitstream if upstream (demuxer and/or parser) provide one, so I believe it
should be mpegvideoparse's job in this case to figure out the right thing.

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