[FFmpeg-devel] [PATCH] Write Pixel Aspect Ratio tag to QuickTime files

[Daniel Kristjansson]

On Wed, 2010-07-07 at 19:22 -0700, Baptiste Coudurier wrote:
> > ffmpeg -vframes 300 -i /mythtv/video1/2131_20100706083000.mpg \
> >         -r 30000/1001 -acodec pcm_s16le -async 1 -vcodec mpeg2video \
> >         -y -s 1440x1080 -aspect 16:9 -threads 3 -vtag xdv2 \
> >         -flags ildct+ilme -b 35M -bf 0 -ac 2 -ar 48000 pasp.mov
> >
> > http://www.cuymedia.net/ffmpeg/pasp.mov
> > http://www.cuymedia.net/ffmpeg/no-pasp.mov
> 
> -bf 0 ? That's not what xdv2 is representing.

Sure, but it lowers encoder CPU usage and it's orthogonal to
the pasp issue. 

> This will uselesslly write a pasp for 1:1.

New patch attached.

-- Daniel
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