[FFmpeg-user] Confusion between PAR and SAR

James Darnley james.darnley at gmail.com
Wed May 22 13:24:22 CEST 2013

On 2013-05-22 12:36, Massimo Battistel wrote:
> Hello,
> maybe this has already been discussed here:
> https://ffmpeg.org/trac/ffmpeg/ticket/1776
> but I think there is still something wrong.
> I think ffmpeg confuses PAR with SAR.
> See the output below. The video is an SD 16:9, DAR is correct, but 64:45 is
> the PAR.
> SAR is 720/576=1.25.

Just forget about this stupid concept of "Storage Aspect Ratio".  In
H.264 terms, SAR is Sample Aspect Ratio which is the same as PAR or
Pixel Aspect Ratio which is used in other standards (I think).  That
link explains it quite well.

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