On Mon, May 2, 2022 at 2:35 PM Vignesh Venkatasubramanian <vigneshv-at-google....@ffmpeg.org> wrote: > > Add an AVIF muxer by re-using the existing the mov/mp4 muxer. > > AVIF Specification: https://aomediacodec.github.io/av1-avif > > Sample usage for still image: > ffmpeg -i image.png -c:v libaom-av1 -avif-image 1 image.avif > > Sample usage for animated AVIF image: > ffmpeg -i video.mp4 animated.avif > > We can re-use any of the AV1 encoding options that will make > sense for image encoding (like bitrate, tiles, encoding speed, > etc). > > The files generated by this muxer has been verified to be valid > AVIF files by the following: > 1) Displays on Chrome (both still and animated images). > 2) Displays on Firefox (only still images, firefox does not support > animated AVIF yet). > 3) Verified to be valid by Compliance Warden: > https://github.com/gpac/ComplianceWarden > > Fixes the encoder/muxer part of Trac Ticket #7621 > > Signed-off-by: Vignesh Venkatasubramanian <vigne...@google.com> > --- > configure | 1 + > libavformat/allformats.c | 1 + > libavformat/movenc.c | 335 ++++++++++++++++++++++++++++++++++++--- > libavformat/movenc.h | 5 + > 4 files changed, 317 insertions(+), 25 deletions(-) >
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