[Ffmpeg-devel] [PATCH] ac3enc mdct data type

[Benjamin Larsson]

Justin Ruggles wrote:

> [...]
>
>
>Anyway...I've never tried to do selectable floating-point/fixed-point
>before.  From what I gather, I could keep most of the code as-is and
>just use #ifdef's and typedef's.  Are there any other codecs in FFmpeg
>that do this that I could use as a model?  FFmpeg already has
>floating-point FFT which could possibly be reused.  I think the MDCT in
>AC-3 is a bit different than the standard MDCT, but I'll double-check that.
>
>-Justin
>  
>
The thing that is different is that there is no multiplication by 2. So
it's basicly the same.

MvH
Benjamin Larsson

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