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libswscale
Commit f1307a2b authored by michael's avatar michael
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fixing the lamest bug in swscale, all the rgb/bgr->* code did 2x2 downsampling... 

fixing the lamest bug in swscale, all the rgb/bgr->* code did 2x2 downsampling for chroma, it should just be 2x1 (the rest of the code also belived its 2x1 ...)


git-svn-id: file:///var/local/repositories/mplayer/trunk/libswscale@20961 b3059339-0415-0410-9bf9-f77b7e298cf2
parent 030ab937
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Inline Side-by-side
Showing with 52 additions and 91 deletions
swscale_template.c
View file @ f1307a2b
......@@ -1730,17 +1730,14 @@ static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, long width)
static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
assert(src1 == src2);
#ifdef HAVE_MMX
asm volatile(
"movq "MANGLE(bm01010101)", %%mm4\n\t"
"mov %0, %%"REG_a" \n\t"
"1: \n\t"
"movq (%1, %%"REG_a",4), %%mm0 \n\t"
"movq 8(%1, %%"REG_a",4), %%mm1 \n\t"
"movq (%2, %%"REG_a",4), %%mm2 \n\t"
"movq 8(%2, %%"REG_a",4), %%mm3 \n\t"
PAVGB(%%mm2, %%mm0)
PAVGB(%%mm3, %%mm1)
"psrlw $8, %%mm0 \n\t"
"psrlw $8, %%mm1 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
......@@ -1749,19 +1746,19 @@ static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1,
"pand %%mm4, %%mm1 \n\t"
"packuswb %%mm0, %%mm0 \n\t"
"packuswb %%mm1, %%mm1 \n\t"
"movd %%mm0, (%4, %%"REG_a") \n\t"
"movd %%mm1, (%3, %%"REG_a") \n\t"
"movd %%mm0, (%3, %%"REG_a") \n\t"
"movd %%mm1, (%2, %%"REG_a") \n\t"
"add $4, %%"REG_a" \n\t"
" js 1b \n\t"
: : "g" (-width), "r" (src1+width*4), "r" (src2+width*4), "r" (dstU+width), "r" (dstV+width)
: : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
: "%"REG_a
);
#else
int i;
for(i=0; i<width; i++)
{
dstU[i]= (src1[4*i + 1] + src2[4*i + 1])>>1;
dstV[i]= (src1[4*i + 3] + src2[4*i + 3])>>1;
dstU[i]= src1[4*i + 1];
dstV[i]= src1[4*i + 3];
}
#endif
}
......@@ -1793,17 +1790,14 @@ static inline void RENAME(uyvyToY)(uint8_t *dst, uint8_t *src, long width)
static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
assert(src1 == src2);
#ifdef HAVE_MMX
asm volatile(
"movq "MANGLE(bm01010101)", %%mm4\n\t"
"mov %0, %%"REG_a" \n\t"
"1: \n\t"
"movq (%1, %%"REG_a",4), %%mm0 \n\t"
"movq 8(%1, %%"REG_a",4), %%mm1 \n\t"
"movq (%2, %%"REG_a",4), %%mm2 \n\t"
"movq 8(%2, %%"REG_a",4), %%mm3 \n\t"
PAVGB(%%mm2, %%mm0)
PAVGB(%%mm3, %%mm1)
"pand %%mm4, %%mm0 \n\t"
"pand %%mm4, %%mm1 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
......@@ -1812,19 +1806,19 @@ static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1,
"pand %%mm4, %%mm1 \n\t"
"packuswb %%mm0, %%mm0 \n\t"
"packuswb %%mm1, %%mm1 \n\t"
"movd %%mm0, (%4, %%"REG_a") \n\t"
"movd %%mm1, (%3, %%"REG_a") \n\t"
"movd %%mm0, (%3, %%"REG_a") \n\t"
"movd %%mm1, (%2, %%"REG_a") \n\t"
"add $4, %%"REG_a" \n\t"
" js 1b \n\t"
: : "g" (-width), "r" (src1+width*4), "r" (src2+width*4), "r" (dstU+width), "r" (dstV+width)
: : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
: "%"REG_a
);
#else
int i;
for(i=0; i<width; i++)
{
dstU[i]= (src1[4*i + 0] + src2[4*i + 0])>>1;
dstV[i]= (src1[4*i + 2] + src2[4*i + 2])>>1;
dstU[i]= src1[4*i + 0];
dstV[i]= src1[4*i + 2];
}
#endif
}
......@@ -1845,20 +1839,19 @@ static inline void RENAME(bgr32ToY)(uint8_t *dst, uint8_t *src, int width)
static inline void RENAME(bgr32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
{
int i;
assert(src1 == src2);
for(i=0; i<width; i++)
{
const int a= ((uint32_t*)src1)[2*i+0];
const int e= ((uint32_t*)src1)[2*i+1];
const int c= ((uint32_t*)src2)[2*i+0];
const int d= ((uint32_t*)src2)[2*i+1];
const int l= (a&0xFF00FF) + (e&0xFF00FF) + (c&0xFF00FF) + (d&0xFF00FF);
const int h= (a&0x00FF00) + (e&0x00FF00) + (c&0x00FF00) + (d&0x00FF00);
const int l= (a&0xFF00FF) + (e&0xFF00FF);
const int h= (a&0x00FF00) + (e&0x00FF00);
const int b= l&0x3FF;
const int g= h>>8;
const int r= l>>16;
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+2)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+2)) + 128;
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
}
}
......@@ -1949,9 +1942,10 @@ static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, long width)
static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
assert(src1 == src2);
#ifdef HAVE_MMX
asm volatile(
"mov %4, %%"REG_a" \n\t"
"mov %3, %%"REG_a" \n\t"
"movq "MANGLE(w1111)", %%mm5 \n\t"
"movq "MANGLE(bgr2UCoeff)", %%mm6 \n\t"
"pxor %%mm7, %%mm7 \n\t"
......@@ -1960,14 +1954,9 @@ static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
ASMALIGN(4)
"1: \n\t"
PREFETCH" 64(%0, %%"REG_d") \n\t"
PREFETCH" 64(%1, %%"REG_d") \n\t"
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
"movq (%0, %%"REG_d"), %%mm0 \n\t"
"movq (%1, %%"REG_d"), %%mm1 \n\t"
"movq 6(%0, %%"REG_d"), %%mm2 \n\t"
"movq 6(%1, %%"REG_d"), %%mm3 \n\t"
PAVGB(%%mm1, %%mm0)
PAVGB(%%mm3, %%mm2)
"movq %%mm0, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"psrlq $24, %%mm0 \n\t"
......@@ -1978,29 +1967,17 @@ static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
"punpcklbw %%mm7, %%mm2 \n\t"
#else
"movd (%0, %%"REG_d"), %%mm0 \n\t"
"movd (%1, %%"REG_d"), %%mm1 \n\t"
"movd 3(%0, %%"REG_d"), %%mm2 \n\t"
"movd 3(%1, %%"REG_d"), %%mm3 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm1 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpcklbw %%mm7, %%mm3 \n\t"
"paddw %%mm1, %%mm0 \n\t"
"paddw %%mm3, %%mm2 \n\t"
"paddw %%mm2, %%mm0 \n\t"
"movd 6(%0, %%"REG_d"), %%mm4 \n\t"
"movd 6(%1, %%"REG_d"), %%mm1 \n\t"
"movd 9(%0, %%"REG_d"), %%mm2 \n\t"
"movd 9(%1, %%"REG_d"), %%mm3 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpcklbw %%mm7, %%mm1 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpcklbw %%mm7, %%mm3 \n\t"
"paddw %%mm1, %%mm4 \n\t"
"paddw %%mm3, %%mm2 \n\t"
"paddw %%mm4, %%mm2 \n\t"
"psrlw $2, %%mm0 \n\t"
"psrlw $2, %%mm2 \n\t"
"psrlw $1, %%mm0 \n\t"
"psrlw $1, %%mm2 \n\t"
#endif
"movq "MANGLE(bgr2VCoeff)", %%mm1 \n\t"
"movq "MANGLE(bgr2VCoeff)", %%mm3 \n\t"
......@@ -2024,11 +2001,7 @@ static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
"movq 12(%0, %%"REG_d"), %%mm4 \n\t"
"movq 12(%1, %%"REG_d"), %%mm1 \n\t"
"movq 18(%0, %%"REG_d"), %%mm2 \n\t"
"movq 18(%1, %%"REG_d"), %%mm3 \n\t"
PAVGB(%%mm1, %%mm4)
PAVGB(%%mm3, %%mm2)
"movq %%mm4, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"psrlq $24, %%mm4 \n\t"
......@@ -2039,26 +2012,14 @@ static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
"punpcklbw %%mm7, %%mm2 \n\t"
#else
"movd 12(%0, %%"REG_d"), %%mm4 \n\t"
"movd 12(%1, %%"REG_d"), %%mm1 \n\t"
"movd 15(%0, %%"REG_d"), %%mm2 \n\t"
"movd 15(%1, %%"REG_d"), %%mm3 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpcklbw %%mm7, %%mm1 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpcklbw %%mm7, %%mm3 \n\t"
"paddw %%mm1, %%mm4 \n\t"
"paddw %%mm3, %%mm2 \n\t"
"paddw %%mm2, %%mm4 \n\t"
"movd 18(%0, %%"REG_d"), %%mm5 \n\t"
"movd 18(%1, %%"REG_d"), %%mm1 \n\t"
"movd 21(%0, %%"REG_d"), %%mm2 \n\t"
"movd 21(%1, %%"REG_d"), %%mm3 \n\t"
"punpcklbw %%mm7, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm1 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpcklbw %%mm7, %%mm3 \n\t"
"paddw %%mm1, %%mm5 \n\t"
"paddw %%mm3, %%mm2 \n\t"
"paddw %%mm5, %%mm2 \n\t"
"movq "MANGLE(w1111)", %%mm5 \n\t"
"psrlw $2, %%mm4 \n\t"
......@@ -2091,24 +2052,24 @@ static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
"packsswb %%mm1, %%mm0 \n\t"
"paddb "MANGLE(bgr2UVOffset)", %%mm0 \n\t"
"movd %%mm0, (%2, %%"REG_a") \n\t"
"movd %%mm0, (%1, %%"REG_a") \n\t"
"punpckhdq %%mm0, %%mm0 \n\t"
"movd %%mm0, (%3, %%"REG_a") \n\t"
"movd %%mm0, (%2, %%"REG_a") \n\t"
"add $4, %%"REG_a" \n\t"
" js 1b \n\t"
: : "r" (src1+width*6), "r" (src2+width*6), "r" (dstU+width), "r" (dstV+width), "g" (-width)
: : "r" (src1+width*6), "r" (dstU+width), "r" (dstV+width), "g" (-width)
: "%"REG_a, "%"REG_d
);
#else
int i;
for(i=0; i<width; i++)
{
int b= src1[6*i + 0] + src1[6*i + 3] + src2[6*i + 0] + src2[6*i + 3];
int g= src1[6*i + 1] + src1[6*i + 4] + src2[6*i + 1] + src2[6*i + 4];
int r= src1[6*i + 2] + src1[6*i + 5] + src2[6*i + 2] + src2[6*i + 5];
int b= src1[6*i + 0] + src1[6*i + 3];
int g= src1[6*i + 1] + src1[6*i + 4];
int r= src1[6*i + 2] + src1[6*i + 5];
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+2)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+2)) + 128;
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
}
#endif
}
......@@ -2129,14 +2090,14 @@ static inline void RENAME(bgr16ToY)(uint8_t *dst, uint8_t *src, int width)
static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
{
assert(src1==src2);
int i;
for(i=0; i<width; i++)
{
int d0= ((uint32_t*)src1)[i];
int d1= ((uint32_t*)src2)[i];
int dl= (d0&0x07E0F81F) + (d1&0x07E0F81F);
int dh= ((d0>>5)&0x07C0F83F) + ((d1>>5)&0x07C0F83F);
int dl= (d0&0x07E0F81F);
int dh= ((d0>>5)&0x07C0F83F);
int dh2= (dh>>11) + (dh<<21);
int d= dh2 + dl;
......@@ -2144,8 +2105,8 @@ static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
int b= d&0x7F;
int r= (d>>11)&0x7F;
int g= d>>21;
dstU[i]= ((2*RU*r + GU*g + 2*BU*b)>>(RGB2YUV_SHIFT+2-2)) + 128;
dstV[i]= ((2*RV*r + GV*g + 2*BV*b)>>(RGB2YUV_SHIFT+2-2)) + 128;
dstU[i]= ((2*RU*r + GU*g + 2*BU*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
dstV[i]= ((2*RV*r + GV*g + 2*BV*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
}
}
......@@ -2166,13 +2127,13 @@ static inline void RENAME(bgr15ToY)(uint8_t *dst, uint8_t *src, int width)
static inline void RENAME(bgr15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
{
int i;
assert(src1==src2);
for(i=0; i<width; i++)
{
int d0= ((uint32_t*)src1)[i];
int d1= ((uint32_t*)src2)[i];
int dl= (d0&0x03E07C1F) + (d1&0x03E07C1F);
int dh= ((d0>>5)&0x03E0F81F) + ((d1>>5)&0x03E0F81F);
int dl= (d0&0x03E07C1F);
int dh= ((d0>>5)&0x03E0F81F);
int dh2= (dh>>11) + (dh<<21);
int d= dh2 + dl;
......@@ -2180,8 +2141,8 @@ static inline void RENAME(bgr15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
int b= d&0x7F;
int r= (d>>10)&0x7F;
int g= d>>21;
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+2-3)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+2-3)) + 128;
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
}
}
......@@ -2202,20 +2163,19 @@ static inline void RENAME(rgb32ToY)(uint8_t *dst, uint8_t *src, int width)
static inline void RENAME(rgb32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
{
int i;
assert(src1==src2);
for(i=0; i<width; i++)
{
const int a= ((uint32_t*)src1)[2*i+0];
const int e= ((uint32_t*)src1)[2*i+1];
const int c= ((uint32_t*)src2)[2*i+0];
const int d= ((uint32_t*)src2)[2*i+1];
const int l= (a&0xFF00FF) + (e&0xFF00FF) + (c&0xFF00FF) + (d&0xFF00FF);
const int h= (a&0x00FF00) + (e&0x00FF00) + (c&0x00FF00) + (d&0x00FF00);
const int l= (a&0xFF00FF) + (e&0xFF00FF);
const int h= (a&0x00FF00) + (e&0x00FF00);
const int r= l&0x3FF;
const int g= h>>8;
const int b= l>>16;
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+2)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+2)) + 128;
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
}
}
......@@ -2235,14 +2195,15 @@ static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, int width)
static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
{
int i;
assert(src1==src2);
for(i=0; i<width; i++)
{
int r= src1[6*i + 0] + src1[6*i + 3] + src2[6*i + 0] + src2[6*i + 3];
int g= src1[6*i + 1] + src1[6*i + 4] + src2[6*i + 1] + src2[6*i + 4];
int b= src1[6*i + 2] + src1[6*i + 5] + src2[6*i + 2] + src2[6*i + 5];
int r= src1[6*i + 0] + src1[6*i + 3];
int g= src1[6*i + 1] + src1[6*i + 4];
int b= src1[6*i + 2] + src1[6*i + 5];
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+2)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+2)) + 128;
dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
}
}
......
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