[FFmpeg-cvslog] r12284 - trunk/libavcodec/ac3dec.c

[Rich Felker]

On Sat, Mar 01, 2008 at 09:30:11AM -0500, Justin Ruggles wrote:
> So obviously the biggest area for improvement is in the downmixing.
> Today, I am planning on trying to move the conversion to int16 to before
> downmixing and doing the downmix in fixed-point.  I'm not sure if it
> will be faster though until I test it out.

Does the downmix take place before or after IMDCT? It should take
place before so that the unnecessary DCT steps are skipped.

Rich