[FFmpeg-devel] [PATCH 2/2] Fix side channels when XCh extension is present

Nick Brereton nick
Sun Jul 11 12:00:53 CEST 2010


On Sun, 2010-07-11 at 12:37 +0300, Kostya wrote:
> > It would also work for 4 channels + xch (although I'm not sure that's
> > used in practice); and also some of the 6 main channel cases - however I
> > doubt that's useful.
> 
> I just see that some amodes lack SL and SR channels, dunno yet about XCh
> amode so I just wanted to check it.

According to the ETSI spec AMODE in the XCH extension is "set to
represent the number of extension channels for now. More detail will be
added in the future." I imagine that's where the XXCH extension comes
in.




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