[FFmpeg-devel] [PATCH] DCA floating point output
Mon Apr 26 13:43:56 CEST 2010
Vladimir Pantelic <pan at nt.tu-darmstadt.de> writes:
> Jean-Yves Avenard wrote:
>> 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
Yes, AC3 and DCA both downmix before the IMDCT. This is much more
>> Why not have a common one ? or at least a common one for the codec
>> with no downmixer ...
> yes, that would be nice.
We'll get there one day.
mans at mansr.com
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