[FFmpeg-devel] [PATCH 3/5 v2] libx265: Support SAR

Derek Buitenhuis derek.buitenhuis at gmail.com
Fri Feb 21 20:42:23 CET 2014


On 2/21/2014 7:36 PM, Michael Niedermayer wrote:
> encoding a file with 0,0 aspect and one with 1,0 differ
> and one with 5/7 aspect and 1/0 aspect differ only in 2 bytes

See below.

> not setting bEnableAspectRatioIdc produces a smaller file

Of *course* not setting bEnableAspectRatioIdc makes a smaller file. That tells
x265 to not enable writing the aspect ratio in the VUI. This is entirely expected

> so i suspect there are no checks in x265 or the checks dont work

They're there, but I guess they don't work. I've CC'd in Steve for this.

- Derek


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