[FFmpeg-devel] Bink audio decoder
pross at xvid.org
Thu Apr 17 13:54:33 CEST 2008
On Wed, Apr 16, 2008 at 12:44:38AM +0200, Michael Niedermayer wrote:
> On Wed, Apr 09, 2008 at 11:47:32PM +1000, pross at xvid.org wrote:
> > The audio codec makes use of a windowed real-value FFT (and DCT for more
> > recent files). Benjamin L tells me that there are NO equivalent dsp
> > routines in FFmpeg, so as a starting point a well known public domain
> > routine is included.
> We have a FFT
> DCT and real value FFT can be efficiently implemented with FFT + trivial
> pre/post transforms.
> read http://www.nrbook.com/a/bookcpdf/c12-3.pdf
Thanks for the link Michael; my weekend will be spent studying what I have
avoided for many years. The bink audio decoder is otherwise "ready" for
second round review. Thanks to those who help with the peer review.
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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