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15/16bit in C speedup

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Originally committed as revision 2585 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-10-31 00:26:29 +00:00
parent 397c035e91
commit b18ea156c4
2 changed files with 100 additions and 60 deletions
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80
postproc/swscale.c
View File

@ -98,6 +98,13 @@ static uint16_t pix_buf_uv[2][2048*2];
// clipping helper table for C implementations:
static unsigned char clip_table[768];
static unsigned short clip_table16b[768];
static unsigned short clip_table16g[768];
static unsigned short clip_table16r[768];
static unsigned short clip_table15b[768];
static unsigned short clip_table15g[768];
static unsigned short clip_table15r[768];
// yuv->rgb conversion tables:
static int yuvtab_2568[256];
static int yuvtab_3343[256];
@ -702,9 +709,9 @@ FULL_YSCALEYUV2RGB
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
((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);
clip_table16b[(Y + yuvtab_40cf[U]) >>13] |
clip_table16g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
clip_table16r[(Y + yuvtab_3343[V]) >>13];
}
}
else if(dstbpp==15)
@ -716,9 +723,9 @@ FULL_YSCALEYUV2RGB
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
((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);
clip_table15b[(Y + yuvtab_40cf[U]) >>13] |
clip_table15g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
clip_table15r[(Y + yuvtab_3343[V]) >>13];
}
}
#endif
@ -846,14 +853,14 @@ FULL_YSCALEYUV2RGB
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y1 + Cr) >>13]<<8)&0xF800);
clip_table16b[(Y1 + Cb) >>13] |
clip_table16g[(Y1 + Cg) >>13] |
clip_table16r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y2 + Cr) >>13]<<8)&0xF800);
clip_table16b[(Y2 + Cb) >>13] |
clip_table16g[(Y2 + Cg) >>13] |
clip_table16r[(Y2 + Cr) >>13];
}
}
else if(dstbpp==15)
@ -870,13 +877,14 @@ FULL_YSCALEYUV2RGB
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y1 + Cr) >>13]<<7)&0x7C00);
clip_table15b[(Y1 + Cb) >>13] |
clip_table15g[(Y1 + Cg) >>13] |
clip_table15r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y2 + Cr) >>13]<<7)&0x7C00);
clip_table15b[(Y2 + Cb) >>13] |
clip_table15g[(Y2 + Cg) >>13] |
clip_table15r[(Y2 + Cr) >>13];
}
}
#endif
@ -1075,14 +1083,14 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y1 + Cr) >>13]<<8)&0xF800);
clip_table16b[(Y1 + Cb) >>13] |
clip_table16g[(Y1 + Cg) >>13] |
clip_table16r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y2 + Cr) >>13]<<8)&0xF800);
clip_table16b[(Y2 + Cb) >>13] |
clip_table16g[(Y2 + Cg) >>13] |
clip_table16r[(Y2 + Cr) >>13];
}
}
else if(dstbpp==15)
@ -1099,13 +1107,14 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y1 + Cr) >>13]<<7)&0x7C00);
clip_table15b[(Y1 + Cb) >>13] |
clip_table15g[(Y1 + Cg) >>13] |
clip_table15r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y2 + Cr) >>13]<<7)&0x7C00);
clip_table15b[(Y2 + Cb) >>13] |
clip_table15g[(Y2 + Cg) >>13] |
clip_table15r[(Y2 + Cr) >>13];
}
}
#endif
@ -1666,4 +1675,15 @@ void SwScale_Init(){
yuvtab_40cf[i]=0x40cf*(i-128);
}
for(i=0; i<768; i++)
{
int v= clip_table[i];
clip_table16b[i]= v>>3;
clip_table16g[i]= (v<<3)&0x07E0;
clip_table16r[i]= (v<<8)&0xF800;
clip_table15b[i]= v>>3;
clip_table15g[i]= (v<<2)&0x03E0;
clip_table15r[i]= (v<<7)&0x7C00;
}
}

80
postproc/swscale_template.c
View File

@ -98,6 +98,13 @@ static uint16_t pix_buf_uv[2][2048*2];
// clipping helper table for C implementations:
static unsigned char clip_table[768];
static unsigned short clip_table16b[768];
static unsigned short clip_table16g[768];
static unsigned short clip_table16r[768];
static unsigned short clip_table15b[768];
static unsigned short clip_table15g[768];
static unsigned short clip_table15r[768];
// yuv->rgb conversion tables:
static int yuvtab_2568[256];
static int yuvtab_3343[256];
@ -702,9 +709,9 @@ FULL_YSCALEYUV2RGB
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
((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);
clip_table16b[(Y + yuvtab_40cf[U]) >>13] |
clip_table16g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
clip_table16r[(Y + yuvtab_3343[V]) >>13];
}
}
else if(dstbpp==15)
@ -716,9 +723,9 @@ FULL_YSCALEYUV2RGB
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
((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);
clip_table15b[(Y + yuvtab_40cf[U]) >>13] |
clip_table15g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
clip_table15r[(Y + yuvtab_3343[V]) >>13];
}
}
#endif
@ -846,14 +853,14 @@ FULL_YSCALEYUV2RGB
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y1 + Cr) >>13]<<8)&0xF800);
clip_table16b[(Y1 + Cb) >>13] |
clip_table16g[(Y1 + Cg) >>13] |
clip_table16r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y2 + Cr) >>13]<<8)&0xF800);
clip_table16b[(Y2 + Cb) >>13] |
clip_table16g[(Y2 + Cg) >>13] |
clip_table16r[(Y2 + Cr) >>13];
}
}
else if(dstbpp==15)
@ -870,13 +877,14 @@ FULL_YSCALEYUV2RGB
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y1 + Cr) >>13]<<7)&0x7C00);
clip_table15b[(Y1 + Cb) >>13] |
clip_table15g[(Y1 + Cg) >>13] |
clip_table15r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y2 + Cr) >>13]<<7)&0x7C00);
clip_table15b[(Y2 + Cb) >>13] |
clip_table15g[(Y2 + Cg) >>13] |
clip_table15r[(Y2 + Cr) >>13];
}
}
#endif
@ -1075,14 +1083,14 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y1 + Cr) >>13]<<8)&0xF800);
clip_table16b[(Y1 + Cb) >>13] |
clip_table16g[(Y1 + Cg) >>13] |
clip_table16r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y2 + Cr) >>13]<<8)&0xF800);
clip_table16b[(Y2 + Cb) >>13] |
clip_table16g[(Y2 + Cg) >>13] |
clip_table16r[(Y2 + Cr) >>13];
}
}
else if(dstbpp==15)
@ -1099,13 +1107,14 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y1 + Cr) >>13]<<7)&0x7C00);
clip_table15b[(Y1 + Cb) >>13] |
clip_table15g[(Y1 + Cg) >>13] |
clip_table15r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y2 + Cr) >>13]<<7)&0x7C00);
clip_table15b[(Y2 + Cb) >>13] |
clip_table15g[(Y2 + Cg) >>13] |
clip_table15r[(Y2 + Cr) >>13];
}
}
#endif
@ -1666,4 +1675,15 @@ void SwScale_Init(){
yuvtab_40cf[i]=0x40cf*(i-128);
}
for(i=0; i<768; i++)
{
int v= clip_table[i];
clip_table16b[i]= v>>3;
clip_table16g[i]= (v<<3)&0x07E0;
clip_table16r[i]= (v<<8)&0xF800;
clip_table15b[i]= v>>3;
clip_table15g[i]= (v<<2)&0x03E0;
clip_table15r[i]= (v<<7)&0x7C00;
}
}