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@ -1753,7 +1753,7 @@ error: |
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} |
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#ifdef COMPILE_MMX2 |
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static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *filter, int32_t *filterPos, int numSplits) |
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static void initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *filter, int32_t *filterPos, int numSplits) |
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{ |
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uint8_t *fragmentA; |
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x86_reg imm8OfPShufW1A; |
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@ -1876,11 +1876,11 @@ static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *fil |
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filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9; |
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filterPos[i/2]= xx; |
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memcpy(funnyCode + fragmentPos, fragment, fragmentLength); |
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memcpy(filterCode + fragmentPos, fragment, fragmentLength); |
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funnyCode[fragmentPos + imm8OfPShufW1]= |
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filterCode[fragmentPos + imm8OfPShufW1]= |
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(a+inc) | ((b+inc)<<2) | ((c+inc)<<4) | ((d+inc)<<6); |
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funnyCode[fragmentPos + imm8OfPShufW2]= |
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filterCode[fragmentPos + imm8OfPShufW2]= |
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a | (b<<2) | (c<<4) | (d<<6); |
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if (i+4-inc>=dstW) shift=maxShift; //avoid overread
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@ -1888,14 +1888,14 @@ static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *fil |
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if (shift && i>=shift) |
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{ |
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funnyCode[fragmentPos + imm8OfPShufW1]+= 0x55*shift; |
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funnyCode[fragmentPos + imm8OfPShufW2]+= 0x55*shift; |
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filterCode[fragmentPos + imm8OfPShufW1]+= 0x55*shift; |
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filterCode[fragmentPos + imm8OfPShufW2]+= 0x55*shift; |
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filterPos[i/2]-=shift; |
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} |
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fragmentPos+= fragmentLength; |
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funnyCode[fragmentPos]= RET; |
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filterCode[fragmentPos]= RET; |
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} |
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xpos+=xInc; |
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} |
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@ -2808,20 +2808,20 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d |
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(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, |
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srcFilter->chrH, dstFilter->chrH, c->param); |
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#define MAX_FUNNY_CODE_SIZE 10000 |
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#define MAX_MMX2_FILTER_CODE_SIZE 10000 |
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#if defined(COMPILE_MMX2) |
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// can't downscale !!!
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if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) |
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{ |
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#ifdef MAP_ANONYMOUS |
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c->funnyYCode = mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
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c->funnyUVCode = mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
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c->lumMmx2FilterCode = mmap(NULL, MAX_MMX2_FILTER_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
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c->chrMmx2FilterCode = mmap(NULL, MAX_MMX2_FILTER_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
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#elif HAVE_VIRTUALALLOC |
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c->funnyYCode = VirtualAlloc(NULL, MAX_FUNNY_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE); |
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c->funnyUVCode = VirtualAlloc(NULL, MAX_FUNNY_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE); |
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c->lumMmx2FilterCode = VirtualAlloc(NULL, MAX_MMX2_FILTER_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE); |
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c->chrMmx2FilterCode = VirtualAlloc(NULL, MAX_MMX2_FILTER_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE); |
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#else |
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c->funnyYCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
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c->funnyUVCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
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c->lumMmx2FilterCode = av_malloc(MAX_MMX2_FILTER_CODE_SIZE); |
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c->chrMmx2FilterCode = av_malloc(MAX_MMX2_FILTER_CODE_SIZE); |
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#endif |
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c->lumMmx2Filter = av_malloc((dstW /8+8)*sizeof(int16_t)); |
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@ -2829,8 +2829,8 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d |
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c->lumMmx2FilterPos= av_malloc((dstW /2/8+8)*sizeof(int32_t)); |
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c->chrMmx2FilterPos= av_malloc((c->chrDstW/2/4+8)*sizeof(int32_t)); |
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initMMX2HScaler( dstW, c->lumXInc, c->funnyYCode , c->lumMmx2Filter, c->lumMmx2FilterPos, 8); |
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initMMX2HScaler(c->chrDstW, c->chrXInc, c->funnyUVCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4); |
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initMMX2HScaler( dstW, c->lumXInc, c->lumMmx2FilterCode, c->lumMmx2Filter, c->lumMmx2FilterPos, 8); |
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initMMX2HScaler(c->chrDstW, c->chrXInc, c->chrMmx2FilterCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4); |
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} |
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#endif /* defined(COMPILE_MMX2) */ |
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} // initialize horizontal stuff
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@ -3499,17 +3499,17 @@ void sws_freeContext(SwsContext *c){ |
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#if ARCH_X86 && CONFIG_GPL |
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#ifdef MAP_ANONYMOUS |
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if (c->funnyYCode ) munmap(c->funnyYCode , MAX_FUNNY_CODE_SIZE); |
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if (c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE); |
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if (c->lumMmx2FilterCode) munmap(c->lumMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE); |
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if (c->chrMmx2FilterCode) munmap(c->chrMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE); |
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#elif HAVE_VIRTUALALLOC |
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if (c->funnyYCode ) VirtualFree(c->funnyYCode , MAX_FUNNY_CODE_SIZE, MEM_RELEASE); |
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if (c->funnyUVCode) VirtualFree(c->funnyUVCode, MAX_FUNNY_CODE_SIZE, MEM_RELEASE); |
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if (c->lumMmx2FilterCode) VirtualFree(c->lumMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE, MEM_RELEASE); |
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if (c->chrMmx2FilterCode) VirtualFree(c->chrMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE, MEM_RELEASE); |
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#else |
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av_free(c->funnyYCode ); |
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av_free(c->funnyUVCode); |
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av_free(c->lumMmx2FilterCode); |
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av_free(c->chrMmx2FilterCode); |
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#endif |
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c->funnyYCode=NULL; |
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c->funnyUVCode=NULL; |
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c->lumMmx2FilterCode=NULL; |
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c->chrMmx2FilterCode=NULL; |
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#endif /* ARCH_X86 && CONFIG_GPL */ |
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av_freep(&c->lumMmx2Filter); |
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