> -----Original Message----- > From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf > Of Carl Eugen Hoyos > Sent: Wednesday, August 28, 2019 14:58 > To: FFmpeg development discussions and patches <ffmpeg- > de...@ffmpeg.org> > Subject: Re: [FFmpeg-devel] [PATCH 2/2] swscale: Add swscale and fate > support for AYUV > > > > > Am 28.08.2019 um 08:22 schrieb Linjie Fu <linjie...@intel.com>: > > > > Add swscale support for AYUV and make it more robust. > > The path that converts from AYUV to planar YUV(A) seems to be missing the > handling of alpha values.
Alpha channel information in AYUV are treated in the same way for RGBA/BGRA and is reusing rgbaToA_c to handle the alpha values. When converting AYUV to YUA/YUVA, two methods are acceptable: - For YUV, just cut the alpha and discard the transparency - For format which also contains an alpha channel(YUV444P), copy the alpha information seems good. _______________________________________________ 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".
