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| author | Michael Niedermayer <michaelni@gmx.at> | 2003-10-13 17:27:30 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-10-13 17:27:30 +0000 |
| commit | 84705403444dc440a41d6aea2d49bac7bdfdedff (patch) | |
| tree | 4250e821d043be1a0bf9849e8c768816a9631238 /libavcodec/dsputil.h | |
| parent | 8c812d73178de487c658e343505d2212ba55bcb1 (diff) | |
| download | ffmpeg-84705403444dc440a41d6aea2d49bac7bdfdedff.tar.gz | |
mmx2 optimization of huffyuv median encoding
Originally committed as revision 2372 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dsputil.h')
| -rw-r--r-- | libavcodec/dsputil.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index 402b99091a..0cc6b9be0f 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -234,6 +234,11 @@ typedef struct DSPContext { /* huffyuv specific */ void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w); void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w); + /** + * subtract huffyuv's variant of median prediction + * note, this might read from src1[-1], src2[-1] + */ + void (*sub_hfyu_median_prediction)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top); void (*bswap_buf)(uint32_t *dst, uint32_t *src, int w); /* (I)DCT */ |