[FFmpeg-devel] [PATCH] DCA floating point output

Vladimir Pantelic pan
Mon Apr 26 10:54:53 CEST 2010

Jean-Yves Avenard wrote:
> Hi
> On 26 April 2010 17:45, Vladimir Pantelic<pan at nt.tu-darmstadt.de>  wrote:
>>  dammit, my shitty D/A converter will only playback ints, not floats....
> I don't know of any common audio cards accepting floats ; it's always
> S16 or S32...
> BTW, something puzzling me ...
> Why is it up to the codec decoder to perform the downmixing ?

some codecs (AC3?, DCA?) might do it more efficiently inside the

> Why not have a common one ? or at least a common one for the codec
> with no downmixer ...

yes, that would be nice.

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