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| author | Loren Merritt <lorenm@u.washington.edu> | 2006-02-10 06:55:25 +0000 |
|---|---|---|
| committer | Loren Merritt <lorenm@u.washington.edu> | 2006-02-10 06:55:25 +0000 |
| commit | ef9d1d15751c6a2e4c570727c198854ce8b44603 (patch) | |
| tree | c2ed9fe8f2bf17d05109a494357d40737dd16146 /libavcodec/dsputil.h | |
| parent | a283db3962c07f9dfab87dc7553b61cbc4e6efb8 (diff) | |
h264: special case dc-only idct. ~1% faster overall
Originally committed as revision 4971 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dsputil.h')
| -rw-r--r-- | libavcodec/dsputil.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index 5cfde2f5ef..5188bf8ee9 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -52,6 +52,8 @@ void ff_fdct_sse2(DCTELEM *block); void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride); void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride); void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block); void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block); @@ -330,6 +332,8 @@ typedef struct DSPContext { void (*h264_idct_add)(uint8_t *dst, DCTELEM *block, int stride); void (*h264_idct8_add)(uint8_t *dst, DCTELEM *block, int stride); + void (*h264_idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride); + void (*h264_idct8_dc_add)(uint8_t *dst, DCTELEM *block, int stride); } DSPContext; void dsputil_static_init(void); |