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| author | Jason Garrett-Glaser <darkshikari@gmail.com> | 2010-07-23 02:58:27 +0000 |
|---|---|---|
| committer | Jason Garrett-Glaser <darkshikari@gmail.com> | 2010-07-23 02:58:27 +0000 |
| commit | 8a467b2d44d20c1a0b731dce9edeff772732a558 (patch) | |
| tree | 259b69473524a9db002d79b90009817f84af4113 /libavutil/mathematics.c | |
| parent | ef38842f0bc97ce5b158f51f3e65aae4164fc6a5 (diff) | |
| download | ffmpeg-8a467b2d44d20c1a0b731dce9edeff772732a558.tar.gz | |
VP8: 30% faster idct_mb
Take shortcuts based on statistically common situations.
Add 4-at-a-time idct_dc function (mmx and sse2) since rows of 4 DC-only DCT
blocks are common.
TODO: tie this more directly into the MB mode, since the DC-level transform is
only used for non-splitmv blocks?
Originally committed as revision 24452 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/mathematics.c')
0 files changed, 0 insertions, 0 deletions