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

[Fu, Linjie]

> -----Original Message-----
> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf
> Of Carl Eugen Hoyos
> Sent: Wednesday, August 28, 2019 14:51
> To: FFmpeg development discussions and patches <ffmpeg-
> devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH 1/2] lavu/pixfmt: add AYUV pixel format
> 
> 
> 
> > 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“?
> 

Default zero. (and it should be 255 for display)