[FFmpeg-devel] [PATCH] Move Kaiser-Bessel Derived window to mdct.c

Michael Niedermayer michaelni
Thu Jan 10 18:20:37 CET 2008

On Thu, Jan 10, 2008 at 04:38:16PM +0000, Robert Swain wrote:
> Hello,
> The SoC AAC code uses a slightly more flexible version (variable
> alpha, window size, iterations) of the Kaiser-Bessel Derived window
> used in libavcodec/ac3dec.c. It is desirable to have the code shared
> between ac3dec.c and aac.c rather than duplicated. I extended the
> capability of the code in ac3dec.c and moved it to mdct.c. Please find
> a patch for this attached.

moving the code and functional changes must be seperate

And IIRC the num of iterations are just a matter of how good the
approximation should be, what does AAC say about the ierations?


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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