[Ffmpeg-devel] [PATCH] updated LGPL AC-3 decoder

Diego Biurrun diego
Thu Mar 8 10:58:41 CET 2007


On Wed, Mar 07, 2007 at 11:56:47PM -0500, Justin Ruggles wrote:
> Michael Niedermayer wrote:
> > 
> > could you split the whole downmix out into its own patch and file
> > and make it indenpandant of AC3? so it could be used by other
> > similar codecs?
> 
> I can if you'd like...but the downmixing is based strictly on AC-3
> channel order, so I don't know how useful it would be.  An alternative
> might be to define a standard FFmpeg channel order and use an array of
> pointers so they could quickly be shuffled around.  But that would be
> heading down the road toward a more complex/complete channel reordering
> and mixing framework as discussed in other threads.

I'm sure further changes like this are easy to do once the code is in
mainline.  Thus I encourage you to split this off of the AC-3 patch and
commit it right away.

Diego




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