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

Benjamin Larsson banan
Tue Apr 11 14:22:33 CEST 2006

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.
The thing that is different is that there is no multiplication by 2. So
it's basicly the same.

Benjamin Larsson

"incorrect information" is an oxymoron. Information is, by definition, factual, correct.

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