VPx (VP8/VP9) alpha encoding has been part of FFmpeg. Now, add the ability to decode such files with alpha channel.
134fe28 libavcodec/libvpx: Add VPx alpha decode support
libavcodec/libvpxdec.c | 107 +++++++++++++++++++++++++++++++++++++++---------
1 file changed, 87 insertions(+), 20 deletions(-)