[Ffmpeg-devel] [PATCH] ATRAC3 decoder

Ian Braithwaite ian
Wed Apr 11 20:11:36 CEST 2007


Hej Benjamin,


> * @file atrac3.c
> * Atrac 3 compatible decoder.

Great, I look forward to trying this out!


> * 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?


Regards,
Ian






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