Am Sa., 1. Aug. 2020 um 14:47 Uhr schrieb Jan Ekström <jee...@gmail.com>: > > On Sat, Aug 1, 2020 at 3:08 PM Carl Eugen Hoyos <ceffm...@gmail.com> wrote: > > > > Am Sa., 1. Aug. 2020 um 14:06 Uhr schrieb Jan Ekström <jee...@gmail.com>: > > > > > Additionally, the spec only mentions stereo/5.1 for direct mapping, so > > > I've kept to 5.1 since we have the capability for that one. > > > > And you still believe it would be a disadvantage if the decoder outputs > > this 5.1 mapping by default if nothing else was requested? > > Yes. API users so far have received the audio frames according to > encoded layout by default, so doing something else breaks that rule of > least surprises. > > > Is there an option to request the 5.1 mapping? > > As noted in the 0/0 cover letter, you can do it just fine with > `-channel_layout "5.1"` with ffmpeg.c. I have verified that it returns > the 5.1 channels as-is.
But this does not make the decoder output 5.1 or does it? While I should probably only care about ffmpeg and ignore the library users I still wonder who can live with your approach... > At this point I would not like to attempt to figure out how to skip > channel coding units in the AAC decoder Just throw them away? Thank you for your effort, Carl Eugen _______________________________________________ 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".
