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| author | Michael Niedermayer <michaelni@gmx.at> | 2001-10-30 21:33:01 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2001-10-30 21:33:01 +0000 |
| commit | d022ce5c4fdd248ca92d65fd5815171b40ed0784 (patch) | |
| tree | c429a6f84f4db2adc952bef6bf26ea54c0b575bc /postproc/swscale_template.c | |
| parent | 8405b3fdafa8368328a132f98264f3ca09721d54 (diff) | |
| download | ffmpeg-d022ce5c4fdd248ca92d65fd5815171b40ed0784.tar.gz | |
c optimizations (array is faster than pointer) (16bpp variants tested and 2% faster)
Originally committed as revision 2573 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
Diffstat (limited to 'postproc/swscale_template.c')
| -rw-r--r-- | postproc/swscale_template.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c index 0139a9cd31..9749f66b93 100644 --- a/postproc/swscale_template.c +++ b/postproc/swscale_template.c @@ -506,18 +506,15 @@ static inline void yuv2yuv(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uin for(i=0;i<dstw;i++) { - ((uint8_t*)dest)[0] = (buf0[i]*yalpha1+buf1[i]*yalpha)>>19; - dest++; + ((uint8_t*)dest)[i] = (buf0[i]*yalpha1+buf1[i]*yalpha)>>19; } if(uvalpha != -1) { for(i=0; i<dstw/2; i++) { - ((uint8_t*)uDest)[0] = (uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19; - ((uint8_t*)vDest)[0] = (uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19; - uDest++; - vDest++; + ((uint8_t*)uDest)[i] = (uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19; + ((uint8_t*)vDest)[i] = (uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19; } } } @@ -704,11 +701,10 @@ FULL_YSCALEYUV2RGB int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19); int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19); - ((uint16_t*)dest)[0] = + ((uint16_t*)dest)[i] = (clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) | ((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) | ((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800); - dest+=2; } } else if(dstbpp==15) @@ -719,11 +715,10 @@ FULL_YSCALEYUV2RGB int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19); int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19); - ((uint16_t*)dest)[0] = + ((uint16_t*)dest)[i] = (clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) | ((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) | ((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00); - dest+=2; } } #endif @@ -814,11 +809,10 @@ FULL_YSCALEYUV2RGB int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19); int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19); - ((uint16_t*)dest)[0] = + ((uint16_t*)dest)[i] = (clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) | ((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) | ((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800); - dest+=2; } } else if(dstbpp==15) @@ -829,11 +823,10 @@ FULL_YSCALEYUV2RGB int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19); int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19); - ((uint16_t*)dest)[0] = + ((uint16_t*)dest)[i] = (clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) | ((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) | ((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00); - dest+=2; } } #endif @@ -993,11 +986,10 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19); int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19); - ((uint16_t*)dest)[0] = + ((uint16_t*)dest)[i] = (clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) | ((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) | ((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800); - dest+=2; } } else if(dstbpp==15) @@ -1008,11 +1000,10 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19); int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19); - ((uint16_t*)dest)[0] = + ((uint16_t*)dest)[i] = (clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) | ((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) | ((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00); - dest+=2; } } #endif |