Quoting Vignesh Venkatasubramanian (2022-06-30 23:04:34) > Parse the alpha channel for still AVIF images and expose it as a > separate track. This is the simplest way of supporting AVIF alpha > channel in a codec independent manner (similar to how ffmpeg > supports animated AVIF with alpha channel). > > One can use the alphamerge filter to get a transparent image with > a single command. For example: > > ffmpeg -i image_with_alpha.avif -filter_complex alphamerge > image_with_alpha.png > > Signed-off-by: Vignesh Venkatasubramanian <vigne...@google.com> > --- > libavformat/isom.h | 1 + > libavformat/mov.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 67 insertions(+)
I am against this patch, this is a digusting hack. These are not two streams, it is a single stream and should be exposed as such. -- Anton Khirnov _______________________________________________ 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".
