> -----Original Message----- > From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of > Carl Eugen Hoyos > Sent: Wednesday, September 25, 2019 07:33 > To: FFmpeg development discussions and patches <ffmpeg- > de...@ffmpeg.org> > Subject: Re: [FFmpeg-devel] [PATCH 4/6] lavu/hwcontext_vaapi: add > vaapi_format_map support for AYUV/Y210/Y410 > > Am Mi., 25. Sept. 2019 um 00:45 Uhr schrieb Mark Thompson > <s...@jkqxz.net>: > > From what you've said so far, I get the impression that the alpha channel in > your AYUV and Y410 formats is not actually supported at all in the hardware > you have? (That is, there is no support for decoding video with an alpha > channel, such as two-layer H.265.) > > The way I understand it is that there is a bug outside of FFmpeg that > is supposed to be fixed in the future as hevc rext is supposed to > provide an alpha channel (or can provide an alpha channel). >
Thanks Carl. Yes, that's exactly what current situation is. See https://github.com/intel/media-driver/issues/719 - linjie _______________________________________________ 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".
