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

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue Jan 29 06:44:04 PST 2013


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

--- Comment #6 from sreerenj <bsreerenj at gmail.com> 2013-01-29 14:44:01 UTC ---
In 0.10
---------------
case1: with mpegvideoparse, 

gst-launch -v filesrc
location=/home/sreerenj/samples/mpeg2/vlc-record-2011-01-29-22h40m45s-VTS_01_2.VOB-.mpg
 ! mpegpsdemux ! mpegvideoparse ! queue ! mpeg2dec ! xvimagesink 

will give the PAR of 24/11.  because of wrong value from mpegvideoparse.(as i
explained in comment 1)


case2: with out mpegvideoparse,

gst-launch -v filesrc
location=/home/sreerenj/samples/mpeg2/vlc-record-2011-01-29-22h40m45s-VTS_01_2.VOB-.mpg
 ! mpegpsdemux !  queue ! mpeg2dec ! xvimagesink

will give par of 16/15 and video seems to be playing as half. I think mpeg2dec
is correctly parsing the disply_extension here. And the same result is getting
in 1.0 with mpegvideoparse.

What i am saying it that , the PAR calculation seems right in 1.0.

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