[FFmpeg-devel] [PATCH] aacenc: remove unsupported PCE mappings

[Rostislav Pehlivanov]

On 28 August 2018 at 22:29, Rostislav Pehlivanov <atomnuker at gmail.com>
wrote:

> Turns out those ones make the decoder unable to accurately determine the
> layout, hence making some API users' guess, and sometimes those are correct
> (ffmpeg.c), but most often (especially with side channels) they're wrong.
> The removed ones need to be investigated into as to why the decoder rejects
> them.
>
> Signed-off-by: Rostislav Pehlivanov <atomnuker at gmail.com>
> ---
>  libavcodec/aacenc.h | 177 --------------------------------------------
>  1 file changed, 177 deletions(-)
>

CCing pkv, if you have the time can you go over what's happening?
Its a bit suspicious that 5.1, 6.1, 7.1, etc. don't use TYPE_LFE but rather
just an SCE (there's a difference in coding).