Quoting Nicolas George (2021-12-08 11:55:40) > James Almer (12021-12-07): > > This is an updated and rebased version of the API that was sent to this > > mailing > > list about two years ago. It expands it with some new helpers, implements > > some > > changes that allows further extensibility for new features down the line, > > and > > finishes porting all missing modules and those introduced since 2019. > > I see the concerns I raised last time have not been addressed: > > (1) the ability to have a channel at a certain location several times;
I have no idea what you mean, the CUSTOM order can have any channel at any location. This was true in all versions of this API back to 2013. > > (2) the ability to attach an arbitrary label to a channel or to a group > of channels; > > (3) an API and syntax for the user to specify a particular channel. > > (1) is necessary for the amerge filter: merge two stereo streams, you > get two FL and two FR. > > (1) is also necessary for devices that can record several sources > simultaneously. IIRC, that is the case for the BlackMagick devices. If > your devices records a band from two stereo and three mono microphones, > we need two FL, two FR and three FC. Multiplexing multiple streams into a single AVFrame is not a valid use case. Just use multiple streams. -- 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".