[Ffmpeg-devel] libavcodec + IPP

Matthias Wieser mwieser
Tue Nov 8 21:36:56 CET 2005

Am Dienstag, 8. November 2005 13:45 schrieb Bj?rn Ard?:
> Hi,
> We have done some performance tests with libavcodec on an intel pentium
> 4 CPU uncompressing a mpeg 2 video stream.
> We noticed that we could replace the idct algoritm with the
> corresponding IPP function. This increased the performance by about 10%
> compared to the MMX2 version in libavcodec (FF_IDCT_LIBMPEG2MMX).

Is it faster on an Athlon, too?


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