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vertical scaler with accurate rounding, some people on doom9 can see +-1 errors 

the +-1 issue is limited to >2tap vertical filters, so bilinear upscale was unaffected
the new code is sometime faster sometimes slower but the difference is significant (~20%) so its optional and enabled with arnd=1

Originally committed as revision 19177 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Michael Niedermayer 2006-07-24 10:36:06 +00:00
parent fc8833a1ad
commit bca11e75fb
4 changed files with 306 additions and 39 deletions
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12
libswscale/swscale.c
View File

@ -848,7 +848,7 @@ static double getSplineCoeff(double a, double b, double c, double d, double dist
dist-1.0);
}
static inline void initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc,
static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc,
int srcW, int dstW, int filterAlign, int one, int flags,
SwsVector *srcFilter, SwsVector *dstFilter, double param[2])
{
@ -1127,10 +1127,18 @@ static inline void initFilter(int16_t **outFilter, int16_t **filterPos, int *out
filterAlign = 1;
}
if (flags & SWS_CPU_CAPS_MMX) {
// special case for unscaled vertical filtering
if(minFilterSize == 1 && filterAlign == 2)
filterAlign= 1;
}
ASSERT(minFilterSize > 0)
filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1));
ASSERT(filterSize > 0)
filter= av_malloc(filterSize*dstW*sizeof(double));
if(filterSize >= MAX_FILTER_SIZE)
return -1;
*outFilterSize= filterSize;
if(flags&SWS_PRINT_INFO)
@ -1216,6 +1224,7 @@ static inline void initFilter(int16_t **outFilter, int16_t **filterPos, int *out
}
av_free(filter);
return 0;
}
#if defined(ARCH_X86) || defined(ARCH_X86_64)
@ -2115,6 +2124,7 @@ SwsContext *sws_getContext(int srcW, int srcH, int origSrcFormat, int dstW, int
/* precalculate vertical scaler filter coefficients */
{
const int filterAlign=
(flags & SWS_CPU_CAPS_MMX) && (flags & SWS_ACCURATE_RND) ? 2 :
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
1;

1
libswscale/swscale.h
View File

@ -64,6 +64,7 @@ extern "C" {
//input subsampling info
#define SWS_FULL_CHR_H_INP 0x4000
#define SWS_DIRECT_BGR 0x8000
#define SWS_ACCURATE_RND 0x40000
#define SWS_CPU_CAPS_MMX 0x80000000
#define SWS_CPU_CAPS_MMX2 0x20000000

6
libswscale/swscale_internal.h
View File

@ -126,7 +126,9 @@ typedef struct SwsContext{
#define DSTW_OFFSET "11*8+4*4*256*2" //do not change, its hardcoded in the asm
#define ESP_OFFSET "11*8+4*4*256*2+8"
#define VROUNDER_OFFSET "11*8+4*4*256*2+16"
#define U_TEMP "11*8+4*4*256*2+24"
#define V_TEMP "11*8+4*4*256*2+32"
uint64_t redDither __attribute__((aligned(8)));
uint64_t greenDither __attribute__((aligned(8)));
uint64_t blueDither __attribute__((aligned(8)));
@ -144,6 +146,8 @@ typedef struct SwsContext{
int dstW;
uint64_t esp __attribute__((aligned(8)));
uint64_t vRounder __attribute__((aligned(8)));
uint64_t u_temp __attribute__((aligned(8)));
uint64_t v_temp __attribute__((aligned(8)));
#ifdef HAVE_ALTIVEC

326
libswscale/swscale_template.c
View File

@ -67,7 +67,8 @@
#include "swscale_altivec_template.c"
#endif
#define YSCALEYUV2YV12X(x, offset) \
#define YSCALEYUV2YV12X(x, offset, dest, width) \
asm volatile(\
"xor %%"REG_a", %%"REG_a" \n\t"\
"movq "VROUNDER_OFFSET"(%0), %%mm3\n\t"\
"movq %%mm3, %%mm4 \n\t"\
@ -96,7 +97,73 @@
"movq %%mm3, %%mm4 \n\t"\
"lea " offset "(%0), %%"REG_d" \n\t"\
"mov (%%"REG_d"), %%"REG_S" \n\t"\
"jb 1b \n\t"
"jb 1b \n\t"\
:: "r" (&c->redDither),\
"r" (dest), "p" (width)\
: "%"REG_a, "%"REG_d, "%"REG_S\
);
#define YSCALEYUV2YV12X_ACCURATE(x, offset, dest, width) \
asm volatile(\
"lea " offset "(%0), %%"REG_d" \n\t"\
"xor %%"REG_a", %%"REG_a" \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"pxor %%mm5, %%mm5 \n\t"\
"pxor %%mm6, %%mm6 \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
"mov (%%"REG_d"), %%"REG_S" \n\t"\
ASMALIGN16 \
"1: \n\t"\
"movq " #x "(%%"REG_S", %%"REG_a", 2), %%mm0\n\t" /* srcData */\
"movq 8+" #x "(%%"REG_S", %%"REG_a", 2), %%mm2\n\t" /* srcData */\
"mov 4(%%"REG_d"), %%"REG_S" \n\t"\
"movq " #x "(%%"REG_S", %%"REG_a", 2), %%mm1\n\t" /* srcData */\
"movq %%mm0, %%mm3 \n\t"\
"punpcklwd %%mm1, %%mm0 \n\t"\
"punpckhwd %%mm1, %%mm3 \n\t"\
"movq 8(%%"REG_d"), %%mm1 \n\t" /* filterCoeff */\
"pmaddwd %%mm1, %%mm0 \n\t"\
"pmaddwd %%mm1, %%mm3 \n\t"\
"paddd %%mm0, %%mm4 \n\t"\
"paddd %%mm3, %%mm5 \n\t"\
"movq 8+" #x "(%%"REG_S", %%"REG_a", 2), %%mm3\n\t" /* srcData */\
"mov 16(%%"REG_d"), %%"REG_S" \n\t"\
"add $16, %%"REG_d" \n\t"\
"test %%"REG_S", %%"REG_S" \n\t"\
"movq %%mm2, %%mm0 \n\t"\
"punpcklwd %%mm3, %%mm2 \n\t"\
"punpckhwd %%mm3, %%mm0 \n\t"\
"pmaddwd %%mm1, %%mm2 \n\t"\
"pmaddwd %%mm1, %%mm0 \n\t"\
"paddd %%mm2, %%mm6 \n\t"\
"paddd %%mm0, %%mm7 \n\t"\
" jnz 1b \n\t"\
"psrad $16, %%mm4 \n\t"\
"psrad $16, %%mm5 \n\t"\
"psrad $16, %%mm6 \n\t"\
"psrad $16, %%mm7 \n\t"\
"movq "VROUNDER_OFFSET"(%0), %%mm0\n\t"\
"packssdw %%mm5, %%mm4 \n\t"\
"packssdw %%mm7, %%mm6 \n\t"\
"paddw %%mm0, %%mm4 \n\t"\
"paddw %%mm0, %%mm6 \n\t"\
"psraw $3, %%mm4 \n\t"\
"psraw $3, %%mm6 \n\t"\
"packuswb %%mm6, %%mm4 \n\t"\
MOVNTQ(%%mm4, (%1, %%REGa))\
"add $8, %%"REG_a" \n\t"\
"cmp %2, %%"REG_a" \n\t"\
"lea " offset "(%0), %%"REG_d" \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"pxor %%mm5, %%mm5 \n\t"\
"pxor %%mm6, %%mm6 \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
"mov (%%"REG_d"), %%"REG_S" \n\t"\
"jb 1b \n\t"\
:: "r" (&c->redDither),\
"r" (dest), "p" (width)\
: "%"REG_a, "%"REG_d, "%"REG_S\
);
#define YSCALEYUV2YV121 \
"mov %2, %%"REG_a" \n\t"\
@ -159,8 +226,100 @@
"test %%"REG_S", %%"REG_S" \n\t"\
" jnz 2b \n\t"\
#define YSCALEYUV2PACKEDX_ACCURATE \
"xor %%"REG_a", %%"REG_a" \n\t"\
ASMALIGN16\
"nop \n\t"\
"1: \n\t"\
"lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"\n\t"\
"mov (%%"REG_d"), %%"REG_S" \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"pxor %%mm5, %%mm5 \n\t"\
"pxor %%mm6, %%mm6 \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
ASMALIGN16\
"2: \n\t"\
"movq (%%"REG_S", %%"REG_a"), %%mm0 \n\t" /* UsrcData */\
"movq 4096(%%"REG_S", %%"REG_a"), %%mm2 \n\t" /* VsrcData */\
"mov 4(%%"REG_d"), %%"REG_S" \n\t"\
"movq (%%"REG_S", %%"REG_a"), %%mm1 \n\t" /* UsrcData */\
"movq %%mm0, %%mm3 \n\t"\
"punpcklwd %%mm1, %%mm0 \n\t"\
"punpckhwd %%mm1, %%mm3 \n\t"\
"movq 8(%%"REG_d"), %%mm1 \n\t" /* filterCoeff */\
"pmaddwd %%mm1, %%mm0 \n\t"\
"pmaddwd %%mm1, %%mm3 \n\t"\
"paddd %%mm0, %%mm4 \n\t"\
"paddd %%mm3, %%mm5 \n\t"\
"movq 4096(%%"REG_S", %%"REG_a"), %%mm3 \n\t" /* VsrcData */\
"mov 16(%%"REG_d"), %%"REG_S" \n\t"\
"add $16, %%"REG_d" \n\t"\
"test %%"REG_S", %%"REG_S" \n\t"\
"movq %%mm2, %%mm0 \n\t"\
"punpcklwd %%mm3, %%mm2 \n\t"\
"punpckhwd %%mm3, %%mm0 \n\t"\
"pmaddwd %%mm1, %%mm2 \n\t"\
"pmaddwd %%mm1, %%mm0 \n\t"\
"paddd %%mm2, %%mm6 \n\t"\
"paddd %%mm0, %%mm7 \n\t"\
" jnz 2b \n\t"\
"psrad $16, %%mm4 \n\t"\
"psrad $16, %%mm5 \n\t"\
"psrad $16, %%mm6 \n\t"\
"psrad $16, %%mm7 \n\t"\
"movq "VROUNDER_OFFSET"(%0), %%mm0\n\t"\
"packssdw %%mm5, %%mm4 \n\t"\
"packssdw %%mm7, %%mm6 \n\t"\
"paddw %%mm0, %%mm4 \n\t"\
"paddw %%mm0, %%mm6 \n\t"\
"movq %%mm4, "U_TEMP"(%0) \n\t"\
"movq %%mm6, "V_TEMP"(%0) \n\t"\
\
"lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"\n\t"\
"mov (%%"REG_d"), %%"REG_S" \n\t"\
"pxor %%mm1, %%mm1 \n\t"\
"pxor %%mm5, %%mm5 \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
"pxor %%mm6, %%mm6 \n\t"\
ASMALIGN16\
"2: \n\t"\
"movq (%%"REG_S", %%"REG_a", 2), %%mm0 \n\t" /* Y1srcData */\
"movq 8(%%"REG_S", %%"REG_a", 2), %%mm2 \n\t" /* Y2srcData */\
"mov 4(%%"REG_d"), %%"REG_S" \n\t"\
"movq (%%"REG_S", %%"REG_a", 2), %%mm4 \n\t" /* Y1srcData */\
"movq %%mm0, %%mm3 \n\t"\
"punpcklwd %%mm4, %%mm0 \n\t"\
"punpckhwd %%mm4, %%mm3 \n\t"\
"movq 8(%%"REG_d"), %%mm4 \n\t" /* filterCoeff */\
"pmaddwd %%mm4, %%mm0 \n\t"\
"pmaddwd %%mm4, %%mm3 \n\t"\
"paddd %%mm0, %%mm1 \n\t"\
"paddd %%mm3, %%mm5 \n\t"\
"movq 8(%%"REG_S", %%"REG_a", 2), %%mm3 \n\t" /* Y2srcData */\
"mov 16(%%"REG_d"), %%"REG_S" \n\t"\
"add $16, %%"REG_d" \n\t"\
"test %%"REG_S", %%"REG_S" \n\t"\
"movq %%mm2, %%mm0 \n\t"\
"punpcklwd %%mm3, %%mm2 \n\t"\
"punpckhwd %%mm3, %%mm0 \n\t"\
"pmaddwd %%mm4, %%mm2 \n\t"\
"pmaddwd %%mm4, %%mm0 \n\t"\
"paddd %%mm2, %%mm7 \n\t"\
"paddd %%mm0, %%mm6 \n\t"\
" jnz 2b \n\t"\
"psrad $16, %%mm1 \n\t"\
"psrad $16, %%mm5 \n\t"\
"psrad $16, %%mm7 \n\t"\
"psrad $16, %%mm6 \n\t"\
"movq "VROUNDER_OFFSET"(%0), %%mm0\n\t"\
"packssdw %%mm5, %%mm1 \n\t"\
"packssdw %%mm6, %%mm7 \n\t"\
"paddw %%mm0, %%mm1 \n\t"\
"paddw %%mm0, %%mm7 \n\t"\
"movq "U_TEMP"(%0), %%mm3 \n\t"\
"movq "V_TEMP"(%0), %%mm4 \n\t"\
#define YSCALEYUV2RGBX \
#define YSCALEYUV2RGBX(YSCALEYUV2PACKEDX) \
YSCALEYUV2PACKEDX\
"psubw "U_OFFSET"(%0), %%mm3 \n\t" /* (U-128)8*/\
"psubw "V_OFFSET"(%0), %%mm4 \n\t" /* (V-128)8*/\
@ -762,29 +921,21 @@ static inline void RENAME(yuv2yuvX)(SwsContext *c, int16_t *lumFilter, int16_t *
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
{
#ifdef HAVE_MMX
if(uDest != NULL)
{
asm volatile(
YSCALEYUV2YV12X(0, CHR_MMX_FILTER_OFFSET)
:: "r" (&c->redDither),
"r" (uDest), "p" (chrDstW)
: "%"REG_a, "%"REG_d, "%"REG_S
);
if(c->flags & SWS_ACCURATE_RND){
if(uDest){
YSCALEYUV2YV12X_ACCURATE( 0, CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
YSCALEYUV2YV12X_ACCURATE(4096, CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
}
asm volatile(
YSCALEYUV2YV12X(4096, CHR_MMX_FILTER_OFFSET)
:: "r" (&c->redDither),
"r" (vDest), "p" (chrDstW)
: "%"REG_a, "%"REG_d, "%"REG_S
);
}
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)
}
asm volatile(
YSCALEYUV2YV12X(0, LUM_MMX_FILTER_OFFSET)
:: "r" (&c->redDither),
"r" (dest), "p" (dstW)
: "%"REG_a, "%"REG_d, "%"REG_S
);
YSCALEYUV2YV12X(0, LUM_MMX_FILTER_OFFSET, dest, dstW)
}
#else
#ifdef HAVE_ALTIVEC
yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
@ -876,13 +1027,94 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
uint8_t *dest, long dstW, long dstY)
{
long dummy=0;
#ifdef HAVE_MMX
if(c->flags & SWS_ACCURATE_RND){
switch(c->dstFormat){
case IMGFMT_BGR32:
asm volatile(
YSCALEYUV2RGBX(YSCALEYUV2PACKEDX_ACCURATE)
WRITEBGR32(%4, %5, %%REGa)
:: "r" (&c->redDither),
"m" (dummy), "m" (dummy), "m" (dummy),
"r" (dest), "m" (dstW)
: "%"REG_a, "%"REG_d, "%"REG_S
);
return;
case IMGFMT_BGR24:
asm volatile(
YSCALEYUV2RGBX(YSCALEYUV2PACKEDX_ACCURATE)
"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:
asm volatile(
YSCALEYUV2RGBX(YSCALEYUV2PACKEDX_ACCURATE)
/* 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)
:: "r" (&c->redDither),
"m" (dummy), "m" (dummy), "m" (dummy),
"r" (dest), "m" (dstW)
: "%"REG_a, "%"REG_d, "%"REG_S
);
return;
case IMGFMT_BGR16:
asm volatile(
YSCALEYUV2RGBX(YSCALEYUV2PACKEDX_ACCURATE)
/* 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)
:: "r" (&c->redDither),
"m" (dummy), "m" (dummy), "m" (dummy),
"r" (dest), "m" (dstW)
: "%"REG_a, "%"REG_d, "%"REG_S
);
return;
case IMGFMT_YUY2:
asm volatile(
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)
:: "r" (&c->redDither),
"m" (dummy), "m" (dummy), "m" (dummy),
"r" (dest), "m" (dstW)
: "%"REG_a, "%"REG_d, "%"REG_S
);
return;
}
}else{
switch(c->dstFormat)
{
#ifdef HAVE_MMX
case IMGFMT_BGR32:
{
asm volatile(
YSCALEYUV2RGBX
YSCALEYUV2RGBX(YSCALEYUV2PACKEDX)
WRITEBGR32(%4, %5, %%REGa)
:: "r" (&c->redDither),
@ -891,11 +1123,11 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
: "%"REG_a, "%"REG_d, "%"REG_S
);
}
break;
return;
case IMGFMT_BGR24:
{
asm volatile(
YSCALEYUV2RGBX
YSCALEYUV2RGBX(YSCALEYUV2PACKEDX)
"lea (%%"REG_a", %%"REG_a", 2), %%"REG_b"\n\t" //FIXME optimize
"add %4, %%"REG_b" \n\t"
WRITEBGR24(%%REGb, %5, %%REGa)
@ -906,11 +1138,11 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
: "%"REG_a, "%"REG_b, "%"REG_d, "%"REG_S //FIXME ebx
);
}
break;
return;
case IMGFMT_BGR15:
{
asm volatile(
YSCALEYUV2RGBX
YSCALEYUV2RGBX(YSCALEYUV2PACKEDX)
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb "MANGLE(b5Dither)", %%mm2\n\t"
@ -926,11 +1158,11 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
: "%"REG_a, "%"REG_d, "%"REG_S
);
}
break;
return;
case IMGFMT_BGR16:
{
asm volatile(
YSCALEYUV2RGBX
YSCALEYUV2RGBX(YSCALEYUV2PACKEDX)
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb "MANGLE(b5Dither)", %%mm2\n\t"
@ -946,7 +1178,7 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
: "%"REG_a, "%"REG_d, "%"REG_S
);
}
break;
return;
case IMGFMT_YUY2:
{
asm volatile(
@ -965,9 +1197,10 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
: "%"REG_a, "%"REG_d, "%"REG_S
);
}
break;
return;
}
}
#endif
default:
#ifdef HAVE_ALTIVEC
/* The following list of supported dstFormat values should
match what's found in the body of altivec_yuv2packedX() */
@ -982,8 +1215,6 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, dstW, dstY);
break;
}
}
/**
@ -2813,6 +3044,22 @@ i--;
int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
#ifdef HAVE_MMX
int i;
if(flags & SWS_ACCURATE_RND){
for(i=0; i<vLumFilterSize; i+=2){
lumMmxFilter[2*i+0]= lumSrcPtr[i ];
lumMmxFilter[2*i+1]= lumSrcPtr[i+(vLumFilterSize>1)];
lumMmxFilter[2*i+2]=
lumMmxFilter[2*i+3]= vLumFilter[dstY*vLumFilterSize + i ]
+ (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
}
for(i=0; i<vChrFilterSize; i+=2){
chrMmxFilter[2*i+0]= chrSrcPtr[i ];
chrMmxFilter[2*i+1]= chrSrcPtr[i+(vChrFilterSize>1)];
chrMmxFilter[2*i+2]=
chrMmxFilter[2*i+3]= vChrFilter[chrDstY*vChrFilterSize + i ]
+ (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
}
}else{
for(i=0; i<vLumFilterSize; i++)
{
lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
@ -2827,6 +3074,7 @@ i--;
chrMmxFilter[4*i+3]=
((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
}
}
#endif
if(dstFormat == IMGFMT_NV12 || dstFormat == IMGFMT_NV21){
const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
@ -2868,6 +3116,10 @@ i--;
{
int lumAlpha= vLumFilter[2*dstY+1];
int chrAlpha= vChrFilter[2*dstY+1];
lumMmxFilter[2]=
lumMmxFilter[3]= vLumFilter[2*dstY ]*0x10001;
chrMmxFilter[2]=
chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
RENAME(yuv2packed2)(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
dest, dstW, lumAlpha, chrAlpha, dstY);
}