mirror of
https://github.com/FFmpeg/FFmpeg.git
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e776ee8f29
* qatar/master: lavr: fix handling of custom mix matrices fate: force pix_fmt in lagarith-rgb32 test fate: add tests for lagarith lossless video codec. ARMv6: vp8: fix stack allocation with Apple's assembler ARM: vp56: allow inline asm to build with clang fft: 3dnow: fix register name typo in DECL_IMDCT macro x86: dct32: port to cpuflags x86: build: replace mmx2 by mmxext Revert "wmapro: prevent division by zero when sample rate is unspecified" wmapro: prevent division by zero when sample rate is unspecified lagarith: fix color plane inversion for YUY2 output. lagarith: pad RGB buffer by 1 byte. dsputil: make add_hfyu_left_prediction_sse4() support unaligned src. Conflicts: doc/APIchanges libavcodec/lagarith.c libavfilter/x86/gradfun.c libavutil/cpu.h libavutil/version.h libswscale/utils.c libswscale/version.h libswscale/x86/yuv2rgb.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
452 lines
16 KiB
C
452 lines
16 KiB
C
/*
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* software YUV to RGB converter
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*
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* Copyright (C) 2001-2007 Michael Niedermayer
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* (c) 2010 Konstantin Shishkov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#undef MOVNTQ
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#undef EMMS
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#undef SFENCE
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#if COMPILE_TEMPLATE_MMXEXT
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#define MOVNTQ "movntq"
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#define SFENCE "sfence"
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#else
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#define MOVNTQ "movq"
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#define SFENCE " # nop"
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#endif
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#define REG_BLUE "0"
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#define REG_RED "1"
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#define REG_GREEN "2"
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#define REG_ALPHA "3"
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#define YUV2RGB_LOOP(depth) \
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h_size = (c->dstW + 7) & ~7; \
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if (h_size * depth > FFABS(dstStride[0])) \
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h_size -= 8; \
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\
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vshift = c->srcFormat != PIX_FMT_YUV422P; \
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\
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__asm__ volatile ("pxor %mm4, %mm4\n\t"); \
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for (y = 0; y < srcSliceH; y++) { \
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uint8_t *image = dst[0] + (y + srcSliceY) * dstStride[0]; \
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const uint8_t *py = src[0] + y * srcStride[0]; \
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const uint8_t *pu = src[1] + (y >> vshift) * srcStride[1]; \
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const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2]; \
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x86_reg index = -h_size / 2; \
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#define YUV2RGB_INITIAL_LOAD \
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__asm__ volatile ( \
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"movq (%5, %0, 2), %%mm6\n\t" \
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"movd (%2, %0), %%mm0\n\t" \
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"movd (%3, %0), %%mm1\n\t" \
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"1: \n\t" \
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/* YUV2RGB core
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* Conversion is performed in usual way:
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* R = Y' * Ycoef + Vred * V'
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* G = Y' * Ycoef + Vgreen * V' + Ugreen * U'
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* B = Y' * Ycoef + Ublue * U'
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*
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* where X' = X * 8 - Xoffset (multiplication is performed to increase
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* precision a bit).
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* Since it operates in YUV420 colorspace, Y component is additionally
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* split into Y1 and Y2 for even and odd pixels.
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*
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* Input:
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* mm0 - U (4 elems), mm1 - V (4 elems), mm6 - Y (8 elems), mm4 - zero register
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* Output:
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* mm1 - R, mm2 - G, mm0 - B
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*/
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#define YUV2RGB \
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/* convert Y, U, V into Y1', Y2', U', V' */ \
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"movq %%mm6, %%mm7\n\t" \
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"punpcklbw %%mm4, %%mm0\n\t" \
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"punpcklbw %%mm4, %%mm1\n\t" \
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"pand "MANGLE(mmx_00ffw)", %%mm6\n\t" \
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"psrlw $8, %%mm7\n\t" \
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"psllw $3, %%mm0\n\t" \
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"psllw $3, %%mm1\n\t" \
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"psllw $3, %%mm6\n\t" \
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"psllw $3, %%mm7\n\t" \
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"psubsw "U_OFFSET"(%4), %%mm0\n\t" \
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"psubsw "V_OFFSET"(%4), %%mm1\n\t" \
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"psubw "Y_OFFSET"(%4), %%mm6\n\t" \
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"psubw "Y_OFFSET"(%4), %%mm7\n\t" \
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\
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/* multiply by coefficients */ \
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"movq %%mm0, %%mm2\n\t" \
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"movq %%mm1, %%mm3\n\t" \
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"pmulhw "UG_COEFF"(%4), %%mm2\n\t" \
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"pmulhw "VG_COEFF"(%4), %%mm3\n\t" \
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"pmulhw "Y_COEFF" (%4), %%mm6\n\t" \
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"pmulhw "Y_COEFF" (%4), %%mm7\n\t" \
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"pmulhw "UB_COEFF"(%4), %%mm0\n\t" \
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"pmulhw "VR_COEFF"(%4), %%mm1\n\t" \
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"paddsw %%mm3, %%mm2\n\t" \
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/* now: mm0 = UB, mm1 = VR, mm2 = CG */ \
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/* mm6 = Y1, mm7 = Y2 */ \
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\
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/* produce RGB */ \
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"movq %%mm7, %%mm3\n\t" \
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"movq %%mm7, %%mm5\n\t" \
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"paddsw %%mm0, %%mm3\n\t" \
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"paddsw %%mm1, %%mm5\n\t" \
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"paddsw %%mm2, %%mm7\n\t" \
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"paddsw %%mm6, %%mm0\n\t" \
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"paddsw %%mm6, %%mm1\n\t" \
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"paddsw %%mm6, %%mm2\n\t" \
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#define RGB_PACK_INTERLEAVE \
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/* pack and interleave even/odd pixels */ \
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"packuswb %%mm1, %%mm0\n\t" \
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"packuswb %%mm5, %%mm3\n\t" \
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"packuswb %%mm2, %%mm2\n\t" \
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"movq %%mm0, %%mm1\n\n" \
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"packuswb %%mm7, %%mm7\n\t" \
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"punpcklbw %%mm3, %%mm0\n\t" \
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"punpckhbw %%mm3, %%mm1\n\t" \
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"punpcklbw %%mm7, %%mm2\n\t" \
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#define YUV2RGB_ENDLOOP(depth) \
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"movq 8 (%5, %0, 2), %%mm6\n\t" \
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"movd 4 (%3, %0), %%mm1\n\t" \
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"movd 4 (%2, %0), %%mm0\n\t" \
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"add $"AV_STRINGIFY(depth * 8)", %1\n\t" \
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"add $4, %0\n\t" \
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"js 1b\n\t" \
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#define YUV2RGB_OPERANDS \
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: "+r" (index), "+r" (image) \
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: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), \
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"r" (py - 2*index) \
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: "memory" \
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); \
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} \
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#define YUV2RGB_OPERANDS_ALPHA \
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: "+r" (index), "+r" (image) \
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: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), \
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"r" (py - 2*index), "r" (pa - 2*index) \
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: "memory" \
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); \
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} \
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#define YUV2RGB_ENDFUNC \
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__asm__ volatile (SFENCE"\n\t" \
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"emms \n\t"); \
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return srcSliceH; \
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#define IF0(x)
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#define IF1(x) x
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#define RGB_PACK16(gmask, is15) \
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"pand "MANGLE(mmx_redmask)", %%mm0\n\t" \
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"pand "MANGLE(mmx_redmask)", %%mm1\n\t" \
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"movq %%mm2, %%mm3\n\t" \
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"psllw $"AV_STRINGIFY(3-is15)", %%mm2\n\t" \
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"psrlw $"AV_STRINGIFY(5+is15)", %%mm3\n\t" \
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"psrlw $3, %%mm0\n\t" \
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IF##is15("psrlw $1, %%mm1\n\t") \
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"pand "MANGLE(pb_e0)", %%mm2\n\t" \
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"pand "MANGLE(gmask)", %%mm3\n\t" \
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"por %%mm2, %%mm0\n\t" \
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"por %%mm3, %%mm1\n\t" \
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"movq %%mm0, %%mm2\n\t" \
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"punpcklbw %%mm1, %%mm0\n\t" \
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"punpckhbw %%mm1, %%mm2\n\t" \
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MOVNTQ " %%mm0, (%1)\n\t" \
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MOVNTQ " %%mm2, 8(%1)\n\t" \
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#define DITHER_RGB \
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"paddusb "BLUE_DITHER"(%4), %%mm0\n\t" \
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"paddusb "GREEN_DITHER"(%4), %%mm2\n\t" \
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"paddusb "RED_DITHER"(%4), %%mm1\n\t" \
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#if !COMPILE_TEMPLATE_MMXEXT
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static inline int RENAME(yuv420_rgb15)(SwsContext *c, const uint8_t *src[],
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int srcStride[],
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int srcSliceY, int srcSliceH,
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uint8_t *dst[], int dstStride[])
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{
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int y, h_size, vshift;
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YUV2RGB_LOOP(2)
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#ifdef DITHER1XBPP
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c->blueDither = ff_dither8[y & 1];
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c->greenDither = ff_dither8[y & 1];
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c->redDither = ff_dither8[(y + 1) & 1];
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#endif
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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#ifdef DITHER1XBPP
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DITHER_RGB
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#endif
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RGB_PACK16(pb_03, 1)
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YUV2RGB_ENDLOOP(2)
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YUV2RGB_OPERANDS
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YUV2RGB_ENDFUNC
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}
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static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t *src[],
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int srcStride[],
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int srcSliceY, int srcSliceH,
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uint8_t *dst[], int dstStride[])
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{
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int y, h_size, vshift;
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YUV2RGB_LOOP(2)
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#ifdef DITHER1XBPP
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c->blueDither = ff_dither8[y & 1];
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c->greenDither = ff_dither4[y & 1];
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c->redDither = ff_dither8[(y + 1) & 1];
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#endif
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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#ifdef DITHER1XBPP
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DITHER_RGB
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#endif
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RGB_PACK16(pb_07, 0)
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YUV2RGB_ENDLOOP(2)
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YUV2RGB_OPERANDS
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YUV2RGB_ENDFUNC
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}
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#endif /* !COMPILE_TEMPLATE_MMXEXT */
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#define RGB_PACK24(blue, red)\
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"packuswb %%mm3, %%mm0 \n" /* R0 R2 R4 R6 R1 R3 R5 R7 */\
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"packuswb %%mm5, %%mm1 \n" /* B0 B2 B4 B6 B1 B3 B5 B7 */\
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"packuswb %%mm7, %%mm2 \n" /* G0 G2 G4 G6 G1 G3 G5 G7 */\
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"movq %%mm"red", %%mm3 \n"\
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"movq %%mm"blue", %%mm6 \n"\
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"psrlq $32, %%mm"red" \n" /* R1 R3 R5 R7 */\
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"punpcklbw %%mm2, %%mm3 \n" /* R0 G0 R2 G2 R4 G4 R6 G6 */\
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"punpcklbw %%mm"red", %%mm6 \n" /* B0 R1 B2 R3 B4 R5 B6 R7 */\
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"movq %%mm3, %%mm5 \n"\
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"punpckhbw %%mm"blue", %%mm2 \n" /* G1 B1 G3 B3 G5 B5 G7 B7 */\
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"punpcklwd %%mm6, %%mm3 \n" /* R0 G0 B0 R1 R2 G2 B2 R3 */\
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"punpckhwd %%mm6, %%mm5 \n" /* R4 G4 B4 R5 R6 G6 B6 R7 */\
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RGB_PACK24_B
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#if COMPILE_TEMPLATE_MMXEXT
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DECLARE_ASM_CONST(8, int16_t, mask1101[4]) = {-1,-1, 0,-1};
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DECLARE_ASM_CONST(8, int16_t, mask0010[4]) = { 0, 0,-1, 0};
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DECLARE_ASM_CONST(8, int16_t, mask0110[4]) = { 0,-1,-1, 0};
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DECLARE_ASM_CONST(8, int16_t, mask1001[4]) = {-1, 0, 0,-1};
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DECLARE_ASM_CONST(8, int16_t, mask0100[4]) = { 0,-1, 0, 0};
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#undef RGB_PACK24_B
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#define RGB_PACK24_B\
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"pshufw $0xc6, %%mm2, %%mm1 \n"\
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"pshufw $0x84, %%mm3, %%mm6 \n"\
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"pshufw $0x38, %%mm5, %%mm7 \n"\
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"pand "MANGLE(mask1101)", %%mm6 \n" /* R0 G0 B0 R1 -- -- R2 G2 */\
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"movq %%mm1, %%mm0 \n"\
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"pand "MANGLE(mask0110)", %%mm7 \n" /* -- -- R6 G6 B6 R7 -- -- */\
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"movq %%mm1, %%mm2 \n"\
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"pand "MANGLE(mask0100)", %%mm1 \n" /* -- -- G3 B3 -- -- -- -- */\
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"psrlq $48, %%mm3 \n" /* B2 R3 -- -- -- -- -- -- */\
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"pand "MANGLE(mask0010)", %%mm0 \n" /* -- -- -- -- G1 B1 -- -- */\
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"psllq $32, %%mm5 \n" /* -- -- -- -- R4 G4 B4 R5 */\
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"pand "MANGLE(mask1001)", %%mm2 \n" /* G5 B5 -- -- -- -- G7 B7 */\
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"por %%mm3, %%mm1 \n"\
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"por %%mm6, %%mm0 \n"\
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"por %%mm5, %%mm1 \n"\
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"por %%mm7, %%mm2 \n"\
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MOVNTQ" %%mm0, (%1) \n"\
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MOVNTQ" %%mm1, 8(%1) \n"\
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MOVNTQ" %%mm2, 16(%1) \n"\
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#else
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#undef RGB_PACK24_B
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#define RGB_PACK24_B\
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"movd %%mm3, (%1) \n" /* R0 G0 B0 R1 */\
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"movd %%mm2, 4(%1) \n" /* G1 B1 */\
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"psrlq $32, %%mm3 \n"\
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"psrlq $16, %%mm2 \n"\
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"movd %%mm3, 6(%1) \n" /* R2 G2 B2 R3 */\
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"movd %%mm2, 10(%1) \n" /* G3 B3 */\
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"psrlq $16, %%mm2 \n"\
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"movd %%mm5, 12(%1) \n" /* R4 G4 B4 R5 */\
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"movd %%mm2, 16(%1) \n" /* G5 B5 */\
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"psrlq $32, %%mm5 \n"\
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"movd %%mm2, 20(%1) \n" /* -- -- G7 B7 */\
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"movd %%mm5, 18(%1) \n" /* R6 G6 B6 R7 */\
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#endif
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static inline int RENAME(yuv420_rgb24)(SwsContext *c, const uint8_t *src[],
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int srcStride[],
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int srcSliceY, int srcSliceH,
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uint8_t *dst[], int dstStride[])
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{
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int y, h_size, vshift;
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YUV2RGB_LOOP(3)
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK24(REG_BLUE, REG_RED)
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YUV2RGB_ENDLOOP(3)
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YUV2RGB_OPERANDS
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YUV2RGB_ENDFUNC
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}
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static inline int RENAME(yuv420_bgr24)(SwsContext *c, const uint8_t *src[],
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int srcStride[],
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int srcSliceY, int srcSliceH,
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uint8_t *dst[], int dstStride[])
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{
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int y, h_size, vshift;
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YUV2RGB_LOOP(3)
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK24(REG_RED, REG_BLUE)
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YUV2RGB_ENDLOOP(3)
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YUV2RGB_OPERANDS
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YUV2RGB_ENDFUNC
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}
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#define SET_EMPTY_ALPHA \
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"pcmpeqd %%mm"REG_ALPHA", %%mm"REG_ALPHA"\n\t" /* set alpha to 0xFF */ \
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#define LOAD_ALPHA \
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"movq (%6, %0, 2), %%mm"REG_ALPHA"\n\t" \
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#define RGB_PACK32(red, green, blue, alpha) \
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"movq %%mm"blue", %%mm5\n\t" \
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"movq %%mm"red", %%mm6\n\t" \
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"punpckhbw %%mm"green", %%mm5\n\t" \
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"punpcklbw %%mm"green", %%mm"blue"\n\t" \
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"punpckhbw %%mm"alpha", %%mm6\n\t" \
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"punpcklbw %%mm"alpha", %%mm"red"\n\t" \
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"movq %%mm"blue", %%mm"green"\n\t" \
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"movq %%mm5, %%mm"alpha"\n\t" \
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"punpcklwd %%mm"red", %%mm"blue"\n\t" \
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"punpckhwd %%mm"red", %%mm"green"\n\t" \
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"punpcklwd %%mm6, %%mm5\n\t" \
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"punpckhwd %%mm6, %%mm"alpha"\n\t" \
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MOVNTQ " %%mm"blue", 0(%1)\n\t" \
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MOVNTQ " %%mm"green", 8(%1)\n\t" \
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MOVNTQ " %%mm5, 16(%1)\n\t" \
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MOVNTQ " %%mm"alpha", 24(%1)\n\t" \
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#if !COMPILE_TEMPLATE_MMXEXT
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static inline int RENAME(yuv420_rgb32)(SwsContext *c, const uint8_t *src[],
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int srcStride[],
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int srcSliceY, int srcSliceH,
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uint8_t *dst[], int dstStride[])
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{
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int y, h_size, vshift;
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YUV2RGB_LOOP(4)
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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SET_EMPTY_ALPHA
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RGB_PACK32(REG_RED, REG_GREEN, REG_BLUE, REG_ALPHA)
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YUV2RGB_ENDLOOP(4)
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YUV2RGB_OPERANDS
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YUV2RGB_ENDFUNC
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}
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#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
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static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t *src[],
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int srcStride[],
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int srcSliceY, int srcSliceH,
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uint8_t *dst[], int dstStride[])
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{
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int y, h_size, vshift;
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|
|
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YUV2RGB_LOOP(4)
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|
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const uint8_t *pa = src[3] + y * srcStride[3];
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YUV2RGB_INITIAL_LOAD
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YUV2RGB
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RGB_PACK_INTERLEAVE
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LOAD_ALPHA
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RGB_PACK32(REG_RED, REG_GREEN, REG_BLUE, REG_ALPHA)
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|
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YUV2RGB_ENDLOOP(4)
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YUV2RGB_OPERANDS_ALPHA
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YUV2RGB_ENDFUNC
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}
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#endif
|
|
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static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t *src[],
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|
int srcStride[],
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|
int srcSliceY, int srcSliceH,
|
|
uint8_t *dst[], int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
YUV2RGB_LOOP(4)
|
|
|
|
YUV2RGB_INITIAL_LOAD
|
|
YUV2RGB
|
|
RGB_PACK_INTERLEAVE
|
|
SET_EMPTY_ALPHA
|
|
RGB_PACK32(REG_BLUE, REG_GREEN, REG_RED, REG_ALPHA)
|
|
|
|
YUV2RGB_ENDLOOP(4)
|
|
YUV2RGB_OPERANDS
|
|
YUV2RGB_ENDFUNC
|
|
}
|
|
|
|
#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
|
|
static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t *src[],
|
|
int srcStride[],
|
|
int srcSliceY, int srcSliceH,
|
|
uint8_t *dst[], int dstStride[])
|
|
{
|
|
int y, h_size, vshift;
|
|
|
|
YUV2RGB_LOOP(4)
|
|
|
|
const uint8_t *pa = src[3] + y * srcStride[3];
|
|
YUV2RGB_INITIAL_LOAD
|
|
YUV2RGB
|
|
RGB_PACK_INTERLEAVE
|
|
LOAD_ALPHA
|
|
RGB_PACK32(REG_BLUE, REG_GREEN, REG_RED, REG_ALPHA)
|
|
|
|
YUV2RGB_ENDLOOP(4)
|
|
YUV2RGB_OPERANDS_ALPHA
|
|
YUV2RGB_ENDFUNC
|
|
}
|
|
#endif
|
|
|
|
#endif /* !COMPILE_TEMPLATE_MMXEXT */
|