inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src1, const uint8_t *src2, int srcW, int xInc, int flags, const int16_t *hChrFilter, const int16_t *hChrFilterPos, int hChrFilterSize, int srcFormat, uint8_t *formatConvBuffer, uint32_t *pal) { int32_t av_unused *mmx2FilterPos = c->chrMmx2FilterPos; int16_t av_unused *mmx2Filter = c->chrMmx2Filter; int av_unused canMMX2BeUsed = c->canMMX2BeUsed; void av_unused *mmx2FilterCode= c->chrMmx2FilterCode; if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || srcFormat==PIX_FMT_MONOWHITE) return; if (srcFormat==PIX_FMT_RGB32_1 || srcFormat==PIX_FMT_BGR32_1) { src1 += ALT32_CORR; src2 += ALT32_CORR; } if (srcFormat==PIX_FMT_RGB48LE) { src1++; src2++; } if (c->hcscale_internal) { c->hcscale_internal(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal); src1= formatConvBuffer; src2= formatConvBuffer+VOFW; } #if COMPILE_TEMPLATE_MMX // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one). if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed)) #else if (!(flags&SWS_FAST_BILINEAR)) #endif { c->hScale(dst , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize); c->hScale(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize); } else { // fast bilinear upscale / crap downscale #if ARCH_X86 && CONFIG_GPL #if COMPILE_TEMPLATE_MMX2 int i; #if defined(PIC) DECLARE_ALIGNED(8, uint64_t, ebxsave); #endif if (canMMX2BeUsed) { __asm__ volatile( #if defined(PIC) "mov %%"REG_b", %6 \n\t" #endif "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" CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE "xor %%"REG_a", %%"REG_a" \n\t" // i "mov %5, %%"REG_c" \n\t" // src "mov %1, %%"REG_D" \n\t" // buf1 "add $"AV_STRINGIFY(VOF)", %%"REG_D" \n\t" PREFETCH" (%%"REG_c") \n\t" PREFETCH" 32(%%"REG_c") \n\t" PREFETCH" 64(%%"REG_c") \n\t" CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE CALL_MMX2_FILTER_CODE #if defined(PIC) "mov %6, %%"REG_b" \n\t" #endif :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos), "m" (mmx2FilterCode), "m" (src2) #if defined(PIC) ,"m" (ebxsave) #endif : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D #if !defined(PIC) ,"%"REG_b #endif ); 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+VOFW] = src2[srcW-1]*128; } } else { #endif /* COMPILE_TEMPLATE_MMX2 */ x86_reg xInc_shr16 = (x86_reg) (xInc >> 16); uint16_t xInc_mask = xInc & 0xffff; __asm__ volatile( "xor %%"REG_a", %%"REG_a" \n\t" // i "xor %%"REG_d", %%"REG_d" \n\t" // xx "xorl %%ecx, %%ecx \n\t" // xalpha ASMALIGN(4) "1: \n\t" "mov %0, %%"REG_S" \n\t" "movzbl (%%"REG_S", %%"REG_d"), %%edi \n\t" //src[xx] "movzbl 1(%%"REG_S", %%"REG_d"), %%esi \n\t" //src[xx+1] FAST_BILINEAR_X86 "movw %%si, (%%"REG_D", %%"REG_a", 2) \n\t" "movzbl (%5, %%"REG_d"), %%edi \n\t" //src[xx] "movzbl 1(%5, %%"REG_d"), %%esi \n\t" //src[xx+1] FAST_BILINEAR_X86 "movw %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2) \n\t" "addw %4, %%cx \n\t" //xalpha += xInc&0xFFFF "adc %3, %%"REG_d" \n\t" //xx+= xInc>>16 + 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 ARCH_X86_64 && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) :: "m" (src1), "m" (dst), "g" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask), #else :: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask), #endif "r" (src2) : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi" ); #if COMPILE_TEMPLATE_MMX2 } //if MMX2 can't be used #endif #else c->hcscale_fast(c, dst, dstWidth, src1, src2, srcW, xInc); #endif /* ARCH_X86 */ } if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))) { int i; //FIXME all pal and rgb srcFormats could do this convertion as well //FIXME all scalers more complex than bilinear could do half of this transform if(c->srcRange) { for (i=0; i<dstWidth; i++) { dst[i ]= (dst[i ]*1799 + 4081085)>>11; //1469 dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469 } } else { for (i=0; i<dstWidth; i++) { dst[i ]= (FFMIN(dst[i ],30775)*4663 - 9289992)>>12; //-264 dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264 } } } }