[Ffmpeg-devel] [PATCH] ATRAC3 decoder

Benjamin Larsson banan
Wed Apr 11 21:16:47 CEST 2007


Ian Braithwaite wrote:
> 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
>   

It is, thanks for finding it, fixed locally.

MvH
Benjamin Larsson




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