Am Mi., 28. Aug. 2019 um 09:34 Uhr schrieb Fu, Linjie <linjie...@intel.com>: > > > -----Original Message----- > > From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf > > Of Carl Eugen Hoyos > > Sent: Wednesday, August 28, 2019 14:51 > > To: FFmpeg development discussions and patches <ffmpeg- > > de...@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...@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)
If this is not a bug in the driver, there is no alpha channel that can be used. Rename it to 0YUV and remove the alpha usage. Carl Eugen _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
