[FFmpeg-devel] [PATCH 1/2] lavu/pixfmt: add AYUV pixel format

[Carl Eugen Hoyos]

> Am 28.08.2019 um 08:22 schrieb Linjie Fu <linjie.fu at intel.com>:
> 
> Add support for packed 4:4:4 pixel format AYUV.
> 
> It is the format that VAAPI/QSV uses when coping with 4:4:4
> surfaces.

> Alpha channel will be set to default value for HEVC REXT
> hw decode.

What is the „default value“?

Carl Eugen