📄 swscale_template.c
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"psllq $2, %%mm3 \n\t"\
"psllq $2, %%mm4 \n\t"\
\
"por %%mm3, %%mm2 \n\t"\
"por %%mm4, %%mm1 \n\t"\
\
MOVNTQ(%%mm2, (dst, index, 2))\
MOVNTQ(%%mm1, 8(dst, index, 2))\
\
"add $8, "#index" \n\t"\
"cmp "#dstw", "#index" \n\t"\
" jb 1b \n\t"
#define WRITEBGR15(dst, dstw, index) REAL_WRITEBGR15(dst, dstw, index)
#define WRITEBGR24OLD(dst, dstw, index) \
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
"movq %%mm2, %%mm1 \n\t" /* B */\
"movq %%mm5, %%mm6 \n\t" /* R */\
"punpcklbw %%mm4, %%mm2 \n\t" /* GBGBGBGB 0 */\
"punpcklbw %%mm7, %%mm5 \n\t" /* 0R0R0R0R 0 */\
"punpckhbw %%mm4, %%mm1 \n\t" /* GBGBGBGB 2 */\
"punpckhbw %%mm7, %%mm6 \n\t" /* 0R0R0R0R 2 */\
"movq %%mm2, %%mm0 \n\t" /* GBGBGBGB 0 */\
"movq %%mm1, %%mm3 \n\t" /* GBGBGBGB 2 */\
"punpcklwd %%mm5, %%mm0 \n\t" /* 0RGB0RGB 0 */\
"punpckhwd %%mm5, %%mm2 \n\t" /* 0RGB0RGB 1 */\
"punpcklwd %%mm6, %%mm1 \n\t" /* 0RGB0RGB 2 */\
"punpckhwd %%mm6, %%mm3 \n\t" /* 0RGB0RGB 3 */\
\
"movq %%mm0, %%mm4 \n\t" /* 0RGB0RGB 0 */\
"psrlq $8, %%mm0 \n\t" /* 00RGB0RG 0 */\
"pand "MANGLE(bm00000111)", %%mm4\n\t" /* 00000RGB 0 */\
"pand "MANGLE(bm11111000)", %%mm0\n\t" /* 00RGB000 0.5 */\
"por %%mm4, %%mm0 \n\t" /* 00RGBRGB 0 */\
"movq %%mm2, %%mm4 \n\t" /* 0RGB0RGB 1 */\
"psllq $48, %%mm2 \n\t" /* GB000000 1 */\
"por %%mm2, %%mm0 \n\t" /* GBRGBRGB 0 */\
\
"movq %%mm4, %%mm2 \n\t" /* 0RGB0RGB 1 */\
"psrld $16, %%mm4 \n\t" /* 000R000R 1 */\
"psrlq $24, %%mm2 \n\t" /* 0000RGB0 1.5 */\
"por %%mm4, %%mm2 \n\t" /* 000RRGBR 1 */\
"pand "MANGLE(bm00001111)", %%mm2\n\t" /* 0000RGBR 1 */\
"movq %%mm1, %%mm4 \n\t" /* 0RGB0RGB 2 */\
"psrlq $8, %%mm1 \n\t" /* 00RGB0RG 2 */\
"pand "MANGLE(bm00000111)", %%mm4\n\t" /* 00000RGB 2 */\
"pand "MANGLE(bm11111000)", %%mm1\n\t" /* 00RGB000 2.5 */\
"por %%mm4, %%mm1 \n\t" /* 00RGBRGB 2 */\
"movq %%mm1, %%mm4 \n\t" /* 00RGBRGB 2 */\
"psllq $32, %%mm1 \n\t" /* BRGB0000 2 */\
"por %%mm1, %%mm2 \n\t" /* BRGBRGBR 1 */\
\
"psrlq $32, %%mm4 \n\t" /* 000000RG 2.5 */\
"movq %%mm3, %%mm5 \n\t" /* 0RGB0RGB 3 */\
"psrlq $8, %%mm3 \n\t" /* 00RGB0RG 3 */\
"pand "MANGLE(bm00000111)", %%mm5\n\t" /* 00000RGB 3 */\
"pand "MANGLE(bm11111000)", %%mm3\n\t" /* 00RGB000 3.5 */\
"por %%mm5, %%mm3 \n\t" /* 00RGBRGB 3 */\
"psllq $16, %%mm3 \n\t" /* RGBRGB00 3 */\
"por %%mm4, %%mm3 \n\t" /* RGBRGBRG 2.5 */\
\
MOVNTQ(%%mm0, (dst))\
MOVNTQ(%%mm2, 8(dst))\
MOVNTQ(%%mm3, 16(dst))\
"add $24, "#dst" \n\t"\
\
"add $8, "#index" \n\t"\
"cmp "#dstw", "#index" \n\t"\
" jb 1b \n\t"
#define WRITEBGR24MMX(dst, dstw, index) \
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
"movq %%mm2, %%mm1 \n\t" /* B */\
"movq %%mm5, %%mm6 \n\t" /* R */\
"punpcklbw %%mm4, %%mm2 \n\t" /* GBGBGBGB 0 */\
"punpcklbw %%mm7, %%mm5 \n\t" /* 0R0R0R0R 0 */\
"punpckhbw %%mm4, %%mm1 \n\t" /* GBGBGBGB 2 */\
"punpckhbw %%mm7, %%mm6 \n\t" /* 0R0R0R0R 2 */\
"movq %%mm2, %%mm0 \n\t" /* GBGBGBGB 0 */\
"movq %%mm1, %%mm3 \n\t" /* GBGBGBGB 2 */\
"punpcklwd %%mm5, %%mm0 \n\t" /* 0RGB0RGB 0 */\
"punpckhwd %%mm5, %%mm2 \n\t" /* 0RGB0RGB 1 */\
"punpcklwd %%mm6, %%mm1 \n\t" /* 0RGB0RGB 2 */\
"punpckhwd %%mm6, %%mm3 \n\t" /* 0RGB0RGB 3 */\
\
"movq %%mm0, %%mm4 \n\t" /* 0RGB0RGB 0 */\
"movq %%mm2, %%mm6 \n\t" /* 0RGB0RGB 1 */\
"movq %%mm1, %%mm5 \n\t" /* 0RGB0RGB 2 */\
"movq %%mm3, %%mm7 \n\t" /* 0RGB0RGB 3 */\
\
"psllq $40, %%mm0 \n\t" /* RGB00000 0 */\
"psllq $40, %%mm2 \n\t" /* RGB00000 1 */\
"psllq $40, %%mm1 \n\t" /* RGB00000 2 */\
"psllq $40, %%mm3 \n\t" /* RGB00000 3 */\
\
"punpckhdq %%mm4, %%mm0 \n\t" /* 0RGBRGB0 0 */\
"punpckhdq %%mm6, %%mm2 \n\t" /* 0RGBRGB0 1 */\
"punpckhdq %%mm5, %%mm1 \n\t" /* 0RGBRGB0 2 */\
"punpckhdq %%mm7, %%mm3 \n\t" /* 0RGBRGB0 3 */\
\
"psrlq $8, %%mm0 \n\t" /* 00RGBRGB 0 */\
"movq %%mm2, %%mm6 \n\t" /* 0RGBRGB0 1 */\
"psllq $40, %%mm2 \n\t" /* GB000000 1 */\
"por %%mm2, %%mm0 \n\t" /* GBRGBRGB 0 */\
MOVNTQ(%%mm0, (dst))\
\
"psrlq $24, %%mm6 \n\t" /* 0000RGBR 1 */\
"movq %%mm1, %%mm5 \n\t" /* 0RGBRGB0 2 */\
"psllq $24, %%mm1 \n\t" /* BRGB0000 2 */\
"por %%mm1, %%mm6 \n\t" /* BRGBRGBR 1 */\
MOVNTQ(%%mm6, 8(dst))\
\
"psrlq $40, %%mm5 \n\t" /* 000000RG 2 */\
"psllq $8, %%mm3 \n\t" /* RGBRGB00 3 */\
"por %%mm3, %%mm5 \n\t" /* RGBRGBRG 2 */\
MOVNTQ(%%mm5, 16(dst))\
\
"add $24, "#dst" \n\t"\
\
"add $8, "#index" \n\t"\
"cmp "#dstw", "#index" \n\t"\
" jb 1b \n\t"
#define WRITEBGR24MMX2(dst, dstw, index) \
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
"movq "MANGLE(M24A)", %%mm0 \n\t"\
"movq "MANGLE(M24C)", %%mm7 \n\t"\
"pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2 B1 B0 B1 B0 */\
"pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2 G1 G0 G1 G0 */\
"pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0 R1 R0 R1 R0 */\
\
"pand %%mm0, %%mm1 \n\t" /* B2 B1 B0 */\
"pand %%mm0, %%mm3 \n\t" /* G2 G1 G0 */\
"pand %%mm7, %%mm6 \n\t" /* R1 R0 */\
\
"psllq $8, %%mm3 \n\t" /* G2 G1 G0 */\
"por %%mm1, %%mm6 \n\t"\
"por %%mm3, %%mm6 \n\t"\
MOVNTQ(%%mm6, (dst))\
\
"psrlq $8, %%mm4 \n\t" /* 00 G7 G6 G5 G4 G3 G2 G1 */\
"pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4 B3 B2 B3 B2 */\
"pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3 G4 G3 G4 G3 */\
"pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4 R3 R2 R3 R2 */\
\
"pand "MANGLE(M24B)", %%mm1 \n\t" /* B5 B4 B3 */\
"pand %%mm7, %%mm3 \n\t" /* G4 G3 */\
"pand %%mm0, %%mm6 \n\t" /* R4 R3 R2 */\
\
"por %%mm1, %%mm3 \n\t" /* B5 G4 B4 G3 B3 */\
"por %%mm3, %%mm6 \n\t"\
MOVNTQ(%%mm6, 8(dst))\
\
"pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6 B7 B6 B6 B7 */\
"pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7 G6 G5 G6 G5 */\
"pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6 R5 R4 R5 R4 */\
\
"pand %%mm7, %%mm1 \n\t" /* B7 B6 */\
"pand %%mm0, %%mm3 \n\t" /* G7 G6 G5 */\
"pand "MANGLE(M24B)", %%mm6 \n\t" /* R7 R6 R5 */\
\
"por %%mm1, %%mm3 \n\t"\
"por %%mm3, %%mm6 \n\t"\
MOVNTQ(%%mm6, 16(dst))\
\
"add $24, "#dst" \n\t"\
\
"add $8, "#index" \n\t"\
"cmp "#dstw", "#index" \n\t"\
" jb 1b \n\t"
#ifdef HAVE_MMX2
#undef WRITEBGR24
#define WRITEBGR24(dst, dstw, index) WRITEBGR24MMX2(dst, dstw, index)
#else
#undef WRITEBGR24
#define WRITEBGR24(dst, dstw, index) WRITEBGR24MMX(dst, dstw, index)
#endif
#define REAL_WRITEYUY2(dst, dstw, index) \
"packuswb %%mm3, %%mm3 \n\t"\
"packuswb %%mm4, %%mm4 \n\t"\
"packuswb %%mm7, %%mm1 \n\t"\
"punpcklbw %%mm4, %%mm3 \n\t"\
"movq %%mm1, %%mm7 \n\t"\
"punpcklbw %%mm3, %%mm1 \n\t"\
"punpckhbw %%mm3, %%mm7 \n\t"\
\
MOVNTQ(%%mm1, (dst, index, 2))\
MOVNTQ(%%mm7, 8(dst, index, 2))\
\
"add $8, "#index" \n\t"\
"cmp "#dstw", "#index" \n\t"\
" jb 1b \n\t"
#define WRITEYUY2(dst, dstw, index) REAL_WRITEYUY2(dst, dstw, index)
static inline void RENAME(yuv2yuvX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
{
#ifdef HAVE_MMX
if(c->params.subsampling & SWS_ACCURATE_RND){
if(uDest){
YSCALEYUV2YV12X_ACCURATE( 0, CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
YSCALEYUV2YV12X_ACCURATE(4096, CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
}
YSCALEYUV2YV12X_ACCURATE(0, LUM_MMX_FILTER_OFFSET, dest, dstW)
}else{
if(uDest){
YSCALEYUV2YV12X( 0, CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
YSCALEYUV2YV12X(4096, CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
}
YSCALEYUV2YV12X(0, LUM_MMX_FILTER_OFFSET, dest, dstW)
}
#else
#ifdef HAVE_ALTIVEC
yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, uDest, vDest, dstW, chrDstW);
#else //HAVE_ALTIVEC
yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, uDest, vDest, dstW, chrDstW);
#endif //!HAVE_ALTIVEC
#endif
}
static inline void RENAME(yuv2nv12X)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
{
yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, uDest, dstW, chrDstW, dstFormat);
}
static inline void RENAME(yuv2yuv1)(int16_t *lumSrc, int16_t *chrSrc,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
{
#ifdef HAVE_MMX
if(uDest != NULL)
{
asm volatile(
YSCALEYUV2YV121
:: "r" (chrSrc + chrDstW), "r" (uDest + chrDstW),
"g" (-chrDstW)
: "%"REG_a
);
asm volatile(
YSCALEYUV2YV121
:: "r" (chrSrc + 2048 + chrDstW), "r" (vDest + chrDstW),
"g" (-chrDstW)
: "%"REG_a
);
}
asm volatile(
YSCALEYUV2YV121
:: "r" (lumSrc + dstW), "r" (dest + dstW),
"g" (-dstW)
: "%"REG_a
);
#else
int i;
for(i=0; i<dstW; i++)
{
int val= lumSrc[i]>>7;
if(val&256){
if(val<0) val=0;
else val=255;
}
dest[i]= val;
}
if(uDest != NULL)
for(i=0; i<chrDstW; i++)
{
int u=chrSrc[i]>>7;
int v=chrSrc[i + 2048]>>7;
if((u|v)&256){
if(u<0) u=0;
else if (u>255) u=255;
if(v<0) v=0;
else if (v>255) v=255;
}
uDest[i]= u;
vDest[i]= v;
}
#endif
}
/**
* vertical scale YV12 to RGB
*/
static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, long dstW, long dstY)
{
long dummy=0;
#ifdef HAVE_MMX
if(c->params.subsampling & SWS_ACCURATE_RND){
switch(c->dstFormat){
case IMGFMT_BGR32:
YSCALEYUV2PACKEDX_ACCURATE
YSCALEYUV2RGBX
WRITEBGR32(%4, %5, %%REGa)
YSCALEYUV2PACKEDX_END
return;
case IMGFMT_BGR24:
YSCALEYUV2PACKEDX_ACCURATE
YSCALEYUV2RGBX
"lea (%%"REG_a", %%"REG_a", 2), %%"REG_b"\n\t" //FIXME optimize
"add %4, %%"REG_b" \n\t"
WRITEBGR24(%%REGb, %5, %%REGa)
:: "r" (&c->redDither),
"m" (dummy), "m" (dummy), "m" (dummy),
"r" (dest), "m" (dstW)
: "%"REG_a, "%"REG_b, "%"REG_d, "%"REG_S //FIXME ebx
);
return;
case IMGFMT_BGR15:
YSCALEYUV2PACKEDX_ACCURATE
YSCALEYUV2RGBX
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb "MANGLE(b5Dither)", %%mm2\n\t"
"paddusb "MANGLE(g5Dither)", %%mm4\n\t"
"paddusb "MANGLE(r5Dither)", %%mm5\n\t"
#endif
WRITEBGR15(%4, %5, %%REGa)
YSCALEYUV2PACKEDX_END
return;
case IMGFMT_BGR16:
YSCALEYUV2PACKEDX_ACCURATE
YSCALEYUV2RGBX
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb "MANGLE(b5Dither)", %%mm2\n\t"
"paddusb "MANGLE(g6Dither)", %%mm4\n\t"
"paddusb "MANGLE(r5Dither)", %%mm5\n\t"
#endif
WRITEBGR16(%4, %5, %%REGa)
YSCALEYUV2PACKEDX_END
return;
case IMGFMT_YUY2:
YSCALEYUV2PACKEDX_ACCURATE
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
"psraw $3, %%mm3 \n\t"
"psraw $3, %%mm4 \n\t"
"psraw $3, %%mm1 \n\t"
"psraw $3, %%mm7 \n\t"
WRITEYUY2(%4, %5, %%REGa)
YSCALEYUV2PACKEDX_END
return;
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