[FFmpeg-devel] [PATCH]lavf/mov: Read aspect ratio from ares atom for dnxhd

Paul B Mahol onemda at gmail.com
Mon Sep 19 16:27:21 EEST 2016

On 9/19/16, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> 2016-09-19 14:57 GMT+02:00 Paul B Mahol <onemda at gmail.com>:
>> title should mentioned what kind of aspect ratio this is about.
>> As I thought it is about sar.
> I don't understand: FFmpeg only knows about sample aspect
> ratio (also known as pixel aspect ratio), display aspect ratio is
> only shown on the console for convenience.
> Without this patch, sar is 1:1 and (I suspect) the sample is not
> decoded correctly, with my patch sar is 4:3 and the sample
> looks better.
> What do I miss?

ARES atom does not store sar. And this patch sets dar for AVdn.

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