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c optimizations (array is faster than pointer) (16bpp variants tested and 2% faster)

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Originally committed as revision 2573 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-10-30 21:33:01 +00:00
parent 8405b3fdaf
commit d022ce5c4f
2 changed files with 18 additions and 36 deletions
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27
postproc/swscale.c
View File

@ -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

27
postproc/swscale_template.c
View File

@ -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