On Wed, 11 Apr 2018 14:01:08 +0100 Rostislav Pehlivanov <atomnu...@gmail.com> wrote:
> On 28 March 2018 at 22:59, Drew Allen <bitllama-at-google....@ffmpeg.org> > wrote: > > > Hello all, > > > > My name is Andrew Allen and I'm a contributor to Opus, supporting new > > channel mappings 2 and 3 for ambisonics compression. I've attached a patch > > to support the new OpusProjectionEncoder and OpusProjectionDecoder APIs for > > handling the new channel mapping 3 in OPUS. > > > > Please let me know of any changes I should make or if there are any > > questions I can help answer. > > > > Cheers, > > Drew > > > > _______________________________________________ > > ffmpeg-devel mailing list > > ffmpeg-devel@ffmpeg.org > > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > > > > You don't set the channel layout to anything. We have support for some > ambisonics formats. Use them. How else would users know what is what? Check > the number of channels? > Also what about mapping families 240(?) -> 254? > I thought they were reserved for ambisonics (very recently too, though they > don't define any specific layouts :/). > > IMO this might need a new channel layout API with support for ambisonics > because things are messy there as-is. Libav has a patchset, but it's stalled. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
