[FFmpeg-devel] [PATCH] aacenc: WIP support for PCEs

[pkv.stream]

forgot to say a few things:
- only the order and the type of the element (sce, cpe or lfe) really 
matters for the encoding; the encoder does not use the front, side or 
back info; I have used that fact for instance for 7.1 and 7.1(wide) or 
7.1(wide-side): same PCE config can be used and works perfectly fine .
- while spec allows up to 16 elements for front, side, back, lfe groups 
, I found that the decoder can not deal with more than four per group;