mirror of https://git.ffmpeg.org/ffmpeg.git
402 lines
16 KiB
C
402 lines
16 KiB
C
/*
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* Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
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* Copyright (c) 2006 Stefan Gehrer <stefan.gehrer@gmx.de>
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*
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* MMX-optimized DSP functions, based on H.264 optimizations by
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* Michael Niedermayer and Loren Merritt
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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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#include "libavutil/attributes.h"
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#include "libavutil/common.h"
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#include "libavutil/cpu.h"
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#include "libavutil/mem_internal.h"
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#include "libavutil/x86/asm.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/cavsdsp.h"
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#include "libavcodec/idctdsp.h"
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#include "constants.h"
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#include "fpel.h"
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#include "idctdsp.h"
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#include "config.h"
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#if HAVE_SSE2_EXTERNAL
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void ff_cavs_idct8_sse2(int16_t *out, const int16_t *in);
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static void cavs_idct8_add_sse2(uint8_t *dst, int16_t *block, ptrdiff_t stride)
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{
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LOCAL_ALIGNED(16, int16_t, b2, [64]);
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ff_cavs_idct8_sse2(b2, block);
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ff_add_pixels_clamped_sse2(b2, dst, stride);
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}
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#endif /* HAVE_SSE2_EXTERNAL */
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#if HAVE_MMXEXT_INLINE
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/*****************************************************************************
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*
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* motion compensation
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*
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****************************************************************************/
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/* vertical filter [-1 -2 96 42 -7 0] */
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#define QPEL_CAVSV1(A,B,C,D,E,F,OP,ADD, MUL1, MUL2) \
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"movd (%0), "#F" \n\t"\
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"movq "#C", %%mm6 \n\t"\
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"pmullw "MANGLE(MUL1)", %%mm6\n\t"\
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"movq "#D", %%mm7 \n\t"\
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"pmullw "MANGLE(MUL2)", %%mm7\n\t"\
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"psllw $3, "#E" \n\t"\
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"psubw "#E", %%mm6 \n\t"\
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"psraw $3, "#E" \n\t"\
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"paddw %%mm7, %%mm6 \n\t"\
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"paddw "#E", %%mm6 \n\t"\
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"paddw "#B", "#B" \n\t"\
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"pxor %%mm7, %%mm7 \n\t"\
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"add %2, %0 \n\t"\
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"punpcklbw %%mm7, "#F" \n\t"\
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"psubw "#B", %%mm6 \n\t"\
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"psraw $1, "#B" \n\t"\
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"psubw "#A", %%mm6 \n\t"\
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"paddw "MANGLE(ADD)", %%mm6 \n\t"\
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"psraw $7, %%mm6 \n\t"\
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"packuswb %%mm6, %%mm6 \n\t"\
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OP(%%mm6, (%1), A, d) \
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"add %3, %1 \n\t"
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/* vertical filter [ 0 -1 5 5 -1 0] */
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#define QPEL_CAVSV2(A,B,C,D,E,F,OP,ADD, MUL1, MUL2) \
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"movd (%0), "#F" \n\t"\
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"movq "#C", %%mm6 \n\t"\
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"paddw "#D", %%mm6 \n\t"\
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"pmullw "MANGLE(MUL1)", %%mm6\n\t"\
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"add %2, %0 \n\t"\
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"punpcklbw %%mm7, "#F" \n\t"\
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"psubw "#B", %%mm6 \n\t"\
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"psubw "#E", %%mm6 \n\t"\
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"paddw "MANGLE(ADD)", %%mm6 \n\t"\
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"psraw $3, %%mm6 \n\t"\
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"packuswb %%mm6, %%mm6 \n\t"\
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OP(%%mm6, (%1), A, d) \
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"add %3, %1 \n\t"
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/* vertical filter [ 0 -7 42 96 -2 -1] */
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#define QPEL_CAVSV3(A,B,C,D,E,F,OP,ADD, MUL1, MUL2) \
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"movd (%0), "#F" \n\t"\
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"movq "#C", %%mm6 \n\t"\
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"pmullw "MANGLE(MUL2)", %%mm6\n\t"\
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"movq "#D", %%mm7 \n\t"\
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"pmullw "MANGLE(MUL1)", %%mm7\n\t"\
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"psllw $3, "#B" \n\t"\
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"psubw "#B", %%mm6 \n\t"\
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"psraw $3, "#B" \n\t"\
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"paddw %%mm7, %%mm6 \n\t"\
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"paddw "#B", %%mm6 \n\t"\
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"paddw "#E", "#E" \n\t"\
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"pxor %%mm7, %%mm7 \n\t"\
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"add %2, %0 \n\t"\
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"punpcklbw %%mm7, "#F" \n\t"\
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"psubw "#E", %%mm6 \n\t"\
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"psraw $1, "#E" \n\t"\
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"psubw "#F", %%mm6 \n\t"\
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"paddw "MANGLE(ADD)", %%mm6 \n\t"\
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"psraw $7, %%mm6 \n\t"\
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"packuswb %%mm6, %%mm6 \n\t"\
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OP(%%mm6, (%1), A, d) \
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"add %3, %1 \n\t"
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#define QPEL_CAVSVNUM(VOP,OP,ADD,MUL1,MUL2)\
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int w= 2;\
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src -= 2*srcStride;\
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\
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while(w--){\
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__asm__ volatile(\
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"pxor %%mm7, %%mm7 \n\t"\
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"movd (%0), %%mm0 \n\t"\
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"add %2, %0 \n\t"\
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"movd (%0), %%mm1 \n\t"\
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"add %2, %0 \n\t"\
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"movd (%0), %%mm2 \n\t"\
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"add %2, %0 \n\t"\
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"movd (%0), %%mm3 \n\t"\
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"add %2, %0 \n\t"\
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"movd (%0), %%mm4 \n\t"\
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"add %2, %0 \n\t"\
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"punpcklbw %%mm7, %%mm0 \n\t"\
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"punpcklbw %%mm7, %%mm1 \n\t"\
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"punpcklbw %%mm7, %%mm2 \n\t"\
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"punpcklbw %%mm7, %%mm3 \n\t"\
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"punpcklbw %%mm7, %%mm4 \n\t"\
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VOP(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP, ADD, MUL1, MUL2)\
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VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP, ADD, MUL1, MUL2)\
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VOP(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP, ADD, MUL1, MUL2)\
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VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP, ADD, MUL1, MUL2)\
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VOP(%%mm4, %%mm5, %%mm0, %%mm1, %%mm2, %%mm3, OP, ADD, MUL1, MUL2)\
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VOP(%%mm5, %%mm0, %%mm1, %%mm2, %%mm3, %%mm4, OP, ADD, MUL1, MUL2)\
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VOP(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP, ADD, MUL1, MUL2)\
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VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP, ADD, MUL1, MUL2)\
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\
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: "+a"(src), "+c"(dst)\
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: "S"((x86_reg)srcStride), "r"((x86_reg)dstStride)\
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NAMED_CONSTRAINTS_ADD(ADD,MUL1,MUL2)\
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: "memory"\
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);\
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if(h==16){\
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__asm__ volatile(\
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VOP(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP, ADD, MUL1, MUL2)\
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VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP, ADD, MUL1, MUL2)\
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VOP(%%mm4, %%mm5, %%mm0, %%mm1, %%mm2, %%mm3, OP, ADD, MUL1, MUL2)\
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VOP(%%mm5, %%mm0, %%mm1, %%mm2, %%mm3, %%mm4, OP, ADD, MUL1, MUL2)\
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VOP(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP, ADD, MUL1, MUL2)\
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VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP, ADD, MUL1, MUL2)\
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VOP(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP, ADD, MUL1, MUL2)\
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VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP, ADD, MUL1, MUL2)\
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\
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: "+a"(src), "+c"(dst)\
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: "S"((x86_reg)srcStride), "r"((x86_reg)dstStride)\
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NAMED_CONSTRAINTS_ADD(ADD,MUL1,MUL2)\
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: "memory"\
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);\
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}\
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src += 4-(h+5)*srcStride;\
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dst += 4-h*dstStride;\
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}
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#define QPEL_CAVS(OPNAME, OP, MMX)\
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static void OPNAME ## cavs_qpel8_h_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
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{\
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int h=8;\
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__asm__ volatile(\
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"pxor %%mm7, %%mm7 \n\t"\
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"movq "MANGLE(ff_pw_5)", %%mm6\n\t"\
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"1: \n\t"\
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"movq (%0), %%mm0 \n\t"\
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"movq 1(%0), %%mm2 \n\t"\
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"movq %%mm0, %%mm1 \n\t"\
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"movq %%mm2, %%mm3 \n\t"\
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"punpcklbw %%mm7, %%mm0 \n\t"\
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"punpckhbw %%mm7, %%mm1 \n\t"\
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"punpcklbw %%mm7, %%mm2 \n\t"\
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"punpckhbw %%mm7, %%mm3 \n\t"\
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"paddw %%mm2, %%mm0 \n\t"\
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"paddw %%mm3, %%mm1 \n\t"\
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"pmullw %%mm6, %%mm0 \n\t"\
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"pmullw %%mm6, %%mm1 \n\t"\
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"movq -1(%0), %%mm2 \n\t"\
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"movq 2(%0), %%mm4 \n\t"\
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"movq %%mm2, %%mm3 \n\t"\
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"movq %%mm4, %%mm5 \n\t"\
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"punpcklbw %%mm7, %%mm2 \n\t"\
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"punpckhbw %%mm7, %%mm3 \n\t"\
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"punpcklbw %%mm7, %%mm4 \n\t"\
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"punpckhbw %%mm7, %%mm5 \n\t"\
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"paddw %%mm4, %%mm2 \n\t"\
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"paddw %%mm3, %%mm5 \n\t"\
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"psubw %%mm2, %%mm0 \n\t"\
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"psubw %%mm5, %%mm1 \n\t"\
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"movq "MANGLE(ff_pw_4)", %%mm5\n\t"\
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"paddw %%mm5, %%mm0 \n\t"\
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"paddw %%mm5, %%mm1 \n\t"\
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"psraw $3, %%mm0 \n\t"\
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"psraw $3, %%mm1 \n\t"\
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"packuswb %%mm1, %%mm0 \n\t"\
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OP(%%mm0, (%1),%%mm5, q) \
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"add %3, %0 \n\t"\
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"add %4, %1 \n\t"\
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"decl %2 \n\t"\
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" jnz 1b \n\t"\
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: "+a"(src), "+c"(dst), "+m"(h)\
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: "d"((x86_reg)srcStride), "S"((x86_reg)dstStride)\
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NAMED_CONSTRAINTS_ADD(ff_pw_4,ff_pw_5)\
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: "memory"\
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);\
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}\
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\
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static inline void OPNAME ## cavs_qpel8or16_v1_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)\
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{ \
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QPEL_CAVSVNUM(QPEL_CAVSV1,OP,ff_pw_64,ff_pw_96,ff_pw_42) \
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}\
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\
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static inline void OPNAME ## cavs_qpel8or16_v2_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)\
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{ \
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QPEL_CAVSVNUM(QPEL_CAVSV2,OP,ff_pw_4,ff_pw_5,ff_pw_42) \
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}\
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\
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static inline void OPNAME ## cavs_qpel8or16_v3_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)\
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{ \
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QPEL_CAVSVNUM(QPEL_CAVSV3,OP,ff_pw_64,ff_pw_96,ff_pw_42) \
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}\
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\
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static void OPNAME ## cavs_qpel8_v1_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
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{ \
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OPNAME ## cavs_qpel8or16_v1_ ## MMX(dst , src , dstStride, srcStride, 8);\
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}\
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static void OPNAME ## cavs_qpel16_v1_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
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{ \
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OPNAME ## cavs_qpel8or16_v1_ ## MMX(dst , src , dstStride, srcStride, 16);\
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OPNAME ## cavs_qpel8or16_v1_ ## MMX(dst+8, src+8, dstStride, srcStride, 16);\
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}\
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\
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static void OPNAME ## cavs_qpel8_v2_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
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{ \
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OPNAME ## cavs_qpel8or16_v2_ ## MMX(dst , src , dstStride, srcStride, 8);\
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}\
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static void OPNAME ## cavs_qpel16_v2_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
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{ \
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OPNAME ## cavs_qpel8or16_v2_ ## MMX(dst , src , dstStride, srcStride, 16);\
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OPNAME ## cavs_qpel8or16_v2_ ## MMX(dst+8, src+8, dstStride, srcStride, 16);\
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}\
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\
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static void OPNAME ## cavs_qpel8_v3_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
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{ \
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OPNAME ## cavs_qpel8or16_v3_ ## MMX(dst , src , dstStride, srcStride, 8);\
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}\
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static void OPNAME ## cavs_qpel16_v3_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
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{ \
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OPNAME ## cavs_qpel8or16_v3_ ## MMX(dst , src , dstStride, srcStride, 16);\
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OPNAME ## cavs_qpel8or16_v3_ ## MMX(dst+8, src+8, dstStride, srcStride, 16);\
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}\
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\
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static void OPNAME ## cavs_qpel16_h_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
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{ \
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OPNAME ## cavs_qpel8_h_ ## MMX(dst , src , dstStride, srcStride);\
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OPNAME ## cavs_qpel8_h_ ## MMX(dst+8, src+8, dstStride, srcStride);\
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src += 8*srcStride;\
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dst += 8*dstStride;\
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OPNAME ## cavs_qpel8_h_ ## MMX(dst , src , dstStride, srcStride);\
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OPNAME ## cavs_qpel8_h_ ## MMX(dst+8, src+8, dstStride, srcStride);\
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}\
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#define CAVS_MC(OPNAME, SIZE, MMX) \
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static void OPNAME ## cavs_qpel ## SIZE ## _mc20_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
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{\
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OPNAME ## cavs_qpel ## SIZE ## _h_ ## MMX(dst, src, stride, stride);\
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}\
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\
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static void OPNAME ## cavs_qpel ## SIZE ## _mc01_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
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{\
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OPNAME ## cavs_qpel ## SIZE ## _v1_ ## MMX(dst, src, stride, stride);\
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}\
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\
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static void OPNAME ## cavs_qpel ## SIZE ## _mc02_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
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{\
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OPNAME ## cavs_qpel ## SIZE ## _v2_ ## MMX(dst, src, stride, stride);\
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}\
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\
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static void OPNAME ## cavs_qpel ## SIZE ## _mc03_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
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{\
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OPNAME ## cavs_qpel ## SIZE ## _v3_ ## MMX(dst, src, stride, stride);\
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}\
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#define PUT_OP(a,b,temp, size) "mov" #size " " #a ", " #b " \n\t"
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#define AVG_3DNOW_OP(a,b,temp, size) \
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"mov" #size " " #b ", " #temp " \n\t"\
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"pavgusb " #temp ", " #a " \n\t"\
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"mov" #size " " #a ", " #b " \n\t"
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#define AVG_MMXEXT_OP(a, b, temp, size) \
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"mov" #size " " #b ", " #temp " \n\t"\
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"pavgb " #temp ", " #a " \n\t"\
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"mov" #size " " #a ", " #b " \n\t"
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#endif /* HAVE_MMXEXT_INLINE */
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#if HAVE_MMX_EXTERNAL
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static void put_cavs_qpel8_mc00_mmx(uint8_t *dst, const uint8_t *src,
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ptrdiff_t stride)
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{
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ff_put_pixels8_mmx(dst, src, stride, 8);
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}
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static void avg_cavs_qpel8_mc00_mmxext(uint8_t *dst, const uint8_t *src,
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ptrdiff_t stride)
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{
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ff_avg_pixels8_mmxext(dst, src, stride, 8);
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}
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static void put_cavs_qpel16_mc00_sse2(uint8_t *dst, const uint8_t *src,
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ptrdiff_t stride)
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{
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ff_put_pixels16_sse2(dst, src, stride, 16);
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}
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static void avg_cavs_qpel16_mc00_sse2(uint8_t *dst, const uint8_t *src,
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ptrdiff_t stride)
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{
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ff_avg_pixels16_sse2(dst, src, stride, 16);
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}
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#endif
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static av_cold void cavsdsp_init_mmx(CAVSDSPContext *c,
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AVCodecContext *avctx)
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{
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#if HAVE_MMX_EXTERNAL
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c->put_cavs_qpel_pixels_tab[1][0] = put_cavs_qpel8_mc00_mmx;
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#endif /* HAVE_MMX_EXTERNAL */
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}
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#define DSPFUNC(PFX, IDX, NUM, EXT) \
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c->PFX ## _cavs_qpel_pixels_tab[IDX][ 2] = PFX ## _cavs_qpel ## NUM ## _mc20_ ## EXT; \
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c->PFX ## _cavs_qpel_pixels_tab[IDX][ 4] = PFX ## _cavs_qpel ## NUM ## _mc01_ ## EXT; \
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c->PFX ## _cavs_qpel_pixels_tab[IDX][ 8] = PFX ## _cavs_qpel ## NUM ## _mc02_ ## EXT; \
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c->PFX ## _cavs_qpel_pixels_tab[IDX][12] = PFX ## _cavs_qpel ## NUM ## _mc03_ ## EXT; \
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#if HAVE_MMXEXT_INLINE
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QPEL_CAVS(put_, PUT_OP, mmxext)
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QPEL_CAVS(avg_, AVG_MMXEXT_OP, mmxext)
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CAVS_MC(put_, 8, mmxext)
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CAVS_MC(put_, 16, mmxext)
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CAVS_MC(avg_, 8, mmxext)
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CAVS_MC(avg_, 16, mmxext)
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#endif /* HAVE_MMXEXT_INLINE */
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av_cold void ff_cavsdsp_init_x86(CAVSDSPContext *c, AVCodecContext *avctx)
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{
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av_unused int cpu_flags = av_get_cpu_flags();
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if (X86_MMX(cpu_flags))
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cavsdsp_init_mmx(c, avctx);
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#if HAVE_MMXEXT_INLINE
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if (INLINE_MMXEXT(cpu_flags)) {
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DSPFUNC(put, 0, 16, mmxext);
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DSPFUNC(put, 1, 8, mmxext);
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DSPFUNC(avg, 0, 16, mmxext);
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DSPFUNC(avg, 1, 8, mmxext);
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}
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#endif
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#if HAVE_MMX_EXTERNAL
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if (EXTERNAL_MMXEXT(cpu_flags)) {
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c->avg_cavs_qpel_pixels_tab[1][0] = avg_cavs_qpel8_mc00_mmxext;
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}
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#endif
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#if HAVE_SSE2_EXTERNAL
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->put_cavs_qpel_pixels_tab[0][0] = put_cavs_qpel16_mc00_sse2;
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c->avg_cavs_qpel_pixels_tab[0][0] = avg_cavs_qpel16_mc00_sse2;
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c->cavs_idct8_add = cavs_idct8_add_sse2;
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c->idct_perm = FF_IDCT_PERM_TRANSPOSE;
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}
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#endif
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}
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