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

[Vladimir Pantelic]

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
decoder.

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

yes, that would be nice.