From 3ae079a3c8be54cc3c9c7e68c8b2324f3a4e4253 Mon Sep 17 00:00:00 2001 From: Jason Garrett-Glaser Date: Fri, 23 Jul 2010 06:02:52 +0000 Subject: VP8: optimize DC-only chroma case in the same way as luma. Add MMX idct_dc_add4uv function for this case. ~40% faster chroma idct. Originally committed as revision 24455 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/vp8dsp.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'libavcodec/vp8dsp.h') diff --git a/libavcodec/vp8dsp.h b/libavcodec/vp8dsp.h index 82ea684eab..47b1a90777 100644 --- a/libavcodec/vp8dsp.h +++ b/libavcodec/vp8dsp.h @@ -33,7 +33,8 @@ 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); + void (*vp8_idct_dc_add4y)(uint8_t *dst, DCTELEM block[4][16], int stride); + void (*vp8_idct_dc_add4uv)(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, -- cgit v1.2.3