inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1, uint8_t *src2, int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter, int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode, int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter, int32_t *mmx2FilterPos) { if(srcFormat==IMGFMT_YUY2) { RENAME(yuy2ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_UYVY) { RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_BGR32) { RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_BGR24) { RENAME(bgr24ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_BGR16) { RENAME(bgr16ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_BGR15) { RENAME(bgr15ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_RGB32) { RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(srcFormat==IMGFMT_RGB24) { RENAME(rgb24ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW); src1= formatConvBuffer; src2= formatConvBuffer+2048; } else if(isGray(srcFormat)) { return; } #ifdef HAVE_MMX // use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one) if(!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed)) #else if(!(flags&SWS_FAST_BILINEAR)) #endif { RENAME(hScale)(dst , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize); RENAME(hScale)(dst+2048, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize); } else // Fast Bilinear upscale / crap downscale { #if defined(ARCH_X86) || defined(ARCH_X86_64) #ifdef HAVE_MMX2 int i; if(canMMX2BeUsed) { asm volatile( "pxor %%mm7, %%mm7 \n\t" "mov %0, %%"REG_c" \n\t" "mov %1, %%"REG_D" \n\t" "mov %2, %%"REG_d" \n\t" "mov %3, %%"REG_b" \n\t" "xor %%"REG_a", %%"REG_a" \n\t" // i PREFETCH" (%%"REG_c") \n\t" PREFETCH" 32(%%"REG_c") \n\t" PREFETCH" 64(%%"REG_c") \n\t" #ifdef ARCH_X86_64 #define FUNNY_UV_CODE \ "movl (%%"REG_b"), %%esi \n\t"\ "call *%4 \n\t"\ "movl (%%"REG_b", %%"REG_a"), %%esi\n\t"\ "add %%"REG_S", %%"REG_c" \n\t"\ "add %%"REG_a", %%"REG_D" \n\t"\ "xor %%"REG_a", %%"REG_a" \n\t"\ #else #define FUNNY_UV_CODE \ "movl (%%"REG_b"), %%esi \n\t"\ "call *%4 \n\t"\ "addl (%%"REG_b", %%"REG_a"), %%"REG_c"\n\t"\ "add %%"REG_a", %%"REG_D" \n\t"\ "xor %%"REG_a", %%"REG_a" \n\t"\ #endif FUNNY_UV_CODE FUNNY_UV_CODE FUNNY_UV_CODE FUNNY_UV_CODE "xor %%"REG_a", %%"REG_a" \n\t" // i "mov %5, %%"REG_c" \n\t" // src "mov %1, %%"REG_D" \n\t" // buf1 "add $4096, %%"REG_D" \n\t" PREFETCH" (%%"REG_c") \n\t" PREFETCH" 32(%%"REG_c") \n\t" PREFETCH" 64(%%"REG_c") \n\t" FUNNY_UV_CODE FUNNY_UV_CODE FUNNY_UV_CODE FUNNY_UV_CODE :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos), "m" (funnyUVCode), "m" (src2) : "%"REG_a, "%"REG_b, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D ); for(i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) { // printf("%d %d %d\n", dstWidth, i, srcW); dst[i] = src1[srcW-1]*128; dst[i+2048] = src2[srcW-1]*128; } } else { #endif long xInc_shr16 = (long) (xInc >> 16); uint16_t xInc_mask = xInc & 0xffff; asm volatile( "xor %%"REG_a", %%"REG_a" \n\t" // i "xor %%"REG_b", %%"REG_b" \n\t" // xx "xorl %%ecx, %%ecx \n\t" // 2*xalpha ASMALIGN16 "1: \n\t" "mov %0, %%"REG_S" \n\t" "movzbl (%%"REG_S", %%"REG_b"), %%edi \n\t" //src[xx] "movzbl 1(%%"REG_S", %%"REG_b"), %%esi \n\t" //src[xx+1] "subl %%edi, %%esi \n\t" //src[xx+1] - src[xx] "imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha "shll $16, %%edi \n\t" "addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha) "mov %1, %%"REG_D" \n\t" "shrl $9, %%esi \n\t" "movw %%si, (%%"REG_D", %%"REG_a", 2)\n\t" "movzbl (%5, %%"REG_b"), %%edi \n\t" //src[xx] "movzbl 1(%5, %%"REG_b"), %%esi \n\t" //src[xx+1] "subl %%edi, %%esi \n\t" //src[xx+1] - src[xx] "imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha "shll $16, %%edi \n\t" "addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha) "mov %1, %%"REG_D" \n\t" "shrl $9, %%esi \n\t" "movw %%si, 4096(%%"REG_D", %%"REG_a", 2)\n\t" "addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF "adc %3, %%"REG_b" \n\t" //xx+= xInc>>8 + carry "add $1, %%"REG_a" \n\t" "cmp %2, %%"REG_a" \n\t" " jb 1b \n\t" /* GCC-3.3 makes MPlayer crash on IA-32 machines when using "g" operand here, which is needed to support GCC-4.0 */ #if defined(ARCH_X86_64) && ((__GNUC__ > 3) || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 4)) :: "m" (src1), "m" (dst), "g" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask), #else :: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask), #endif "r" (src2) : "%"REG_a, "%"REG_b, "%ecx", "%"REG_D, "%esi" ); #ifdef HAVE_MMX2 } //if MMX2 can't be used #endif #else int i; unsigned int xpos=0; for(i=0;i<dstWidth;i++) { register unsigned int xx=xpos>>16; register unsigned int xalpha=(xpos&0xFFFF)>>9; dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha); dst[i+2048]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha); /* slower dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha; dst[i+2048]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha; */ xpos+=xInc; } #endif } }