📄 swscale_template.c
字号:
"psraw $3, %%mm1 \n\t"
"psraw $3, %%mm7 \n\t"
WRITEYUY2(%4, %5, %%REGa)
YSCALEYUV2PACKEDX_END
return;
}
}
#endif
#ifdef HAVE_ALTIVEC
/* The following list of supported dstFormat values should
match what's found in the body of altivec_yuv2packedX() */
if (c->dstFormat==PIX_FMT_ABGR || c->dstFormat==PIX_FMT_BGRA ||
c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
c->dstFormat==PIX_FMT_RGBA || c->dstFormat==PIX_FMT_ARGB)
altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, dstW, dstY);
else
#endif
yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, dstW, dstY);
}
/**
* vertical bilinear scale YV12 to RGB
*/
static inline void RENAME(yuv2packed2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
{
int yalpha1=yalpha^4095;
int uvalpha1=uvalpha^4095;
int i;
#if 0 //isn't used
if (flags&SWS_FULL_CHR_H_INT)
{
switch(dstFormat)
{
#ifdef HAVE_MMX
case PIX_FMT_RGB32:
asm volatile(
FULL_YSCALEYUV2RGB
"punpcklbw %%mm1, %%mm3 \n\t" // BGBGBGBG
"punpcklbw %%mm7, %%mm0 \n\t" // R0R0R0R0
"movq %%mm3, %%mm1 \n\t"
"punpcklwd %%mm0, %%mm3 \n\t" // BGR0BGR0
"punpckhwd %%mm0, %%mm1 \n\t" // BGR0BGR0
MOVNTQ(%%mm3, (%4, %%REGa, 4))
MOVNTQ(%%mm1, 8(%4, %%REGa, 4))
"add $4, %%"REG_a" \n\t"
"cmp %5, %%"REG_a" \n\t"
" jb 1b \n\t"
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" ((long)dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%"REG_a
);
break;
case PIX_FMT_BGR24:
asm volatile(
FULL_YSCALEYUV2RGB
// lsb ... msb
"punpcklbw %%mm1, %%mm3 \n\t" // BGBGBGBG
"punpcklbw %%mm7, %%mm0 \n\t" // R0R0R0R0
"movq %%mm3, %%mm1 \n\t"
"punpcklwd %%mm0, %%mm3 \n\t" // BGR0BGR0
"punpckhwd %%mm0, %%mm1 \n\t" // BGR0BGR0
"movq %%mm3, %%mm2 \n\t" // BGR0BGR0
"psrlq $8, %%mm3 \n\t" // GR0BGR00
"pand "MANGLE(bm00000111)", %%mm2 \n\t" // BGR00000
"pand "MANGLE(bm11111000)", %%mm3 \n\t" // 000BGR00
"por %%mm2, %%mm3 \n\t" // BGRBGR00
"movq %%mm1, %%mm2 \n\t"
"psllq $48, %%mm1 \n\t" // 000000BG
"por %%mm1, %%mm3 \n\t" // BGRBGRBG
"movq %%mm2, %%mm1 \n\t" // BGR0BGR0
"psrld $16, %%mm2 \n\t" // R000R000
"psrlq $24, %%mm1 \n\t" // 0BGR0000
"por %%mm2, %%mm1 \n\t" // RBGRR000
"mov %4, %%"REG_b" \n\t"
"add %%"REG_a", %%"REG_b" \n\t"
#ifdef HAVE_MMX2
//FIXME Alignment
"movntq %%mm3, (%%"REG_b", %%"REG_a", 2) \n\t"
"movntq %%mm1, 8(%%"REG_b", %%"REG_a", 2) \n\t"
#else
"movd %%mm3, (%%"REG_b", %%"REG_a", 2) \n\t"
"psrlq $32, %%mm3 \n\t"
"movd %%mm3, 4(%%"REG_b", %%"REG_a", 2) \n\t"
"movd %%mm1, 8(%%"REG_b", %%"REG_a", 2) \n\t"
#endif
"add $4, %%"REG_a" \n\t"
"cmp %5, %%"REG_a" \n\t"
" jb 1b \n\t"
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%"REG_a, "%"REG_b
);
break;
case PIX_FMT_BGR555:
asm volatile(
FULL_YSCALEYUV2RGB
#ifdef DITHER1XBPP
"paddusb "MANGLE(g5Dither)", %%mm1 \n\t"
"paddusb "MANGLE(r5Dither)", %%mm0 \n\t"
"paddusb "MANGLE(b5Dither)", %%mm3 \n\t"
#endif
"punpcklbw %%mm7, %%mm1 \n\t" // 0G0G0G0G
"punpcklbw %%mm7, %%mm3 \n\t" // 0B0B0B0B
"punpcklbw %%mm7, %%mm0 \n\t" // 0R0R0R0R
"psrlw $3, %%mm3 \n\t"
"psllw $2, %%mm1 \n\t"
"psllw $7, %%mm0 \n\t"
"pand "MANGLE(g15Mask)", %%mm1 \n\t"
"pand "MANGLE(r15Mask)", %%mm0 \n\t"
"por %%mm3, %%mm1 \n\t"
"por %%mm1, %%mm0 \n\t"
MOVNTQ(%%mm0, (%4, %%REGa, 2))
"add $4, %%"REG_a" \n\t"
"cmp %5, %%"REG_a" \n\t"
" jb 1b \n\t"
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%"REG_a
);
break;
case PIX_FMT_BGR565:
asm volatile(
FULL_YSCALEYUV2RGB
#ifdef DITHER1XBPP
"paddusb "MANGLE(g6Dither)", %%mm1 \n\t"
"paddusb "MANGLE(r5Dither)", %%mm0 \n\t"
"paddusb "MANGLE(b5Dither)", %%mm3 \n\t"
#endif
"punpcklbw %%mm7, %%mm1 \n\t" // 0G0G0G0G
"punpcklbw %%mm7, %%mm3 \n\t" // 0B0B0B0B
"punpcklbw %%mm7, %%mm0 \n\t" // 0R0R0R0R
"psrlw $3, %%mm3 \n\t"
"psllw $3, %%mm1 \n\t"
"psllw $8, %%mm0 \n\t"
"pand "MANGLE(g16Mask)", %%mm1 \n\t"
"pand "MANGLE(r16Mask)", %%mm0 \n\t"
"por %%mm3, %%mm1 \n\t"
"por %%mm1, %%mm0 \n\t"
MOVNTQ(%%mm0, (%4, %%REGa, 2))
"add $4, %%"REG_a" \n\t"
"cmp %5, %%"REG_a" \n\t"
" jb 1b \n\t"
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%"REG_a
);
break;
#endif
case PIX_FMT_BGR32:
#ifndef HAVE_MMX
case PIX_FMT_RGB32:
#endif
if (dstFormat==PIX_FMT_RGB32)
{
int i;
#ifdef WORDS_BIGENDIAN
dest++;
#endif
for (i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
dest+= 4;
}
}
else if (dstFormat==PIX_FMT_BGR24)
{
int i;
for (i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
dest+= 3;
}
}
else if (dstFormat==PIX_FMT_BGR565)
{
int i;
for (i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
((uint16_t*)dest)[i] =
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 (dstFormat==PIX_FMT_BGR555)
{
int i;
for (i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
((uint16_t*)dest)[i] =
clip_table15b[(Y + yuvtab_40cf[U]) >>13] |
clip_table15g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
clip_table15r[(Y + yuvtab_3343[V]) >>13];
}
}
}//FULL_UV_IPOL
else
{
#endif // if 0
#ifdef HAVE_MMX
switch(c->dstFormat)
{
//Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
case PIX_FMT_RGB32:
asm volatile(
"mov %%"REG_b", "ESP_OFFSET"(%5) \n\t"
"mov %4, %%"REG_b" \n\t"
"push %%"REG_BP" \n\t"
YSCALEYUV2RGB(%%REGBP, %5)
WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
"pop %%"REG_BP" \n\t"
"mov "ESP_OFFSET"(%5), %%"REG_b" \n\t"
:: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
"a" (&c->redDither)
);
return;
case PIX_FMT_BGR24:
asm volatile(
"mov %%"REG_b", "ESP_OFFSET"(%5) \n\t"
"mov %4, %%"REG_b" \n\t"
"push %%"REG_BP" \n\t"
YSCALEYUV2RGB(%%REGBP, %5)
WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
"pop %%"REG_BP" \n\t"
"mov "ESP_OFFSET"(%5), %%"REG_b" \n\t"
:: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
"a" (&c->redDither)
);
return;
case PIX_FMT_BGR555:
asm volatile(
"mov %%"REG_b", "ESP_OFFSET"(%5) \n\t"
"mov %4, %%"REG_b" \n\t"
"push %%"REG_BP" \n\t"
YSCALEYUV2RGB(%%RE⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -