[Ffmpeg-devel] [PATCH] ATRAC3 decoder

Måns Rullgård mans
Wed Apr 11 20:59:02 CEST 2007

"Ian Braithwaite" <ian at braithwaite.dk> writes:

> Hej Benjamin,
>> * Reverse the odd bands before IMDCT, this is an effect of the QMF transform
>> * or it gives better compression to do it this way.
> ...
>> for (i=0; i<256; i++)
>>     FFSWAP(float, pInput[i], pInput[255-i]);
> Is it just me, or is that a no-op?

Sure looks like one to me.

M?ns Rullg?rd
mans at mansr.com

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