[FFmpeg-user] Remove 'anamorph' from video?

[Francois Visagie]

> -----Original Message-----
> From: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-
> bounces at ffmpeg.org] On Behalf Of Andrey Aleksandrovich
> Sent: 04 April 2013 07:09
> To: FFmpeg user questions
> Subject: Re: [FFmpeg-user] Remove 'anamorph' from video?
> 
> :facepalm:
> --- 720x390 [SAR 1:1 DAR 24:13], SAR 403:490 DAR 372:245 --- What does
> mean SAR 1:1 and SAR 403:490? Why there's two values? What is the real
> SAR?
> (Similarly about DAR).

I understand now what you mean. You may be able to get close to the truth
yourself by calculating from known values. The bracketed set of values seem
to indicate the aspect ratio represented by resolution at square pixels, and
the 2nd set after applying the encoded aspect ratio. Use something like
MediaInfo to independently report resolution and encoded aspect ratio and
see what you come up with.

> 
> On 4/3/13, Paul B Mahol <onemda at gmail.com> wrote:
> > On 4/3/13, Andrey Aleksandrovich
> > <andrey.aleksandrovich at googlemail.com>
> > wrote:
> >> No. The question was: Why there's two values of PAR and DAR - one is
> >> inside of square brackets and another is outside?
> >
> > PAR - pixel aspect ratio
> > DAR - display aspect ratio
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