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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 /libavcodec/vp8dsp.h | |
| 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 'libavcodec/vp8dsp.h')
| -rw-r--r-- | libavcodec/vp8dsp.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/vp8dsp.h b/libavcodec/vp8dsp.h index 64a3bfbc57..82ea684eab 100644 --- a/libavcodec/vp8dsp.h +++ b/libavcodec/vp8dsp.h @@ -33,6 +33,7 @@ typedef struct VP8DSPContext { void (*vp8_luma_dc_wht)(DCTELEM block[4][4][16], DCTELEM dc[16]); void (*vp8_idct_add)(uint8_t *dst, DCTELEM block[16], int stride); void (*vp8_idct_dc_add)(uint8_t *dst, DCTELEM block[16], int stride); + void (*vp8_idct_dc_add4)(uint8_t *dst, DCTELEM block[4][16], int stride); // loop filter applied to edges between macroblocks void (*vp8_v_loop_filter16y)(uint8_t *dst, int stride, |