409 lines
14 KiB
C
409 lines
14 KiB
C
/*
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* MMX optimized motion estimation
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* Copyright (c) 2001 Fabrice Bellard.
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* Copyright (c) 2002-2004 Michael Niedermayer
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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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* mostly by Michael Niedermayer <michaelni@gmx.at>
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*/
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#include "../dsputil.h"
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#include "x86_cpu.h"
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static const __attribute__ ((aligned(8))) uint64_t round_tab[3]={
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0x0000000000000000ULL,
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0x0001000100010001ULL,
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0x0002000200020002ULL,
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};
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static attribute_used __attribute__ ((aligned(8))) uint64_t bone= 0x0101010101010101LL;
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static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
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{
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long len= -(stride*h);
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asm volatile(
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ASMALIGN(4)
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"1: \n\t"
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"movq (%1, %%"REG_a"), %%mm0 \n\t"
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"movq (%2, %%"REG_a"), %%mm2 \n\t"
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"movq (%2, %%"REG_a"), %%mm4 \n\t"
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"add %3, %%"REG_a" \n\t"
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"psubusb %%mm0, %%mm2 \n\t"
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"psubusb %%mm4, %%mm0 \n\t"
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"movq (%1, %%"REG_a"), %%mm1 \n\t"
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"movq (%2, %%"REG_a"), %%mm3 \n\t"
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"movq (%2, %%"REG_a"), %%mm5 \n\t"
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"psubusb %%mm1, %%mm3 \n\t"
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"psubusb %%mm5, %%mm1 \n\t"
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"por %%mm2, %%mm0 \n\t"
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"por %%mm1, %%mm3 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"movq %%mm3, %%mm2 \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, %%mm3 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"paddw %%mm3, %%mm2 \n\t"
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"paddw %%mm2, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %3, %%"REG_a" \n\t"
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1 - len), "r" (blk2 - len), "r" ((long)stride)
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);
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}
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static inline void sad8_1_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
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{
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long len= -(stride*h);
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asm volatile(
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ASMALIGN(4)
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"1: \n\t"
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"movq (%1, %%"REG_a"), %%mm0 \n\t"
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"movq (%2, %%"REG_a"), %%mm2 \n\t"
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"psadbw %%mm2, %%mm0 \n\t"
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"add %3, %%"REG_a" \n\t"
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"movq (%1, %%"REG_a"), %%mm1 \n\t"
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"movq (%2, %%"REG_a"), %%mm3 \n\t"
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"psadbw %%mm1, %%mm3 \n\t"
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"paddw %%mm3, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %3, %%"REG_a" \n\t"
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1 - len), "r" (blk2 - len), "r" ((long)stride)
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);
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}
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static inline void sad8_2_mmx2(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h)
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{
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long len= -(stride*h);
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asm volatile(
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ASMALIGN(4)
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"1: \n\t"
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"movq (%1, %%"REG_a"), %%mm0 \n\t"
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"movq (%2, %%"REG_a"), %%mm2 \n\t"
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"pavgb %%mm2, %%mm0 \n\t"
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"movq (%3, %%"REG_a"), %%mm2 \n\t"
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"psadbw %%mm2, %%mm0 \n\t"
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"add %4, %%"REG_a" \n\t"
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"movq (%1, %%"REG_a"), %%mm1 \n\t"
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"movq (%2, %%"REG_a"), %%mm3 \n\t"
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"pavgb %%mm1, %%mm3 \n\t"
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"movq (%3, %%"REG_a"), %%mm1 \n\t"
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"psadbw %%mm1, %%mm3 \n\t"
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"paddw %%mm3, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %4, %%"REG_a" \n\t"
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((long)stride)
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);
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}
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static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
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{ //FIXME reuse src
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long len= -(stride*h);
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asm volatile(
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ASMALIGN(4)
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"movq "MANGLE(bone)", %%mm5 \n\t"
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"1: \n\t"
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"movq (%1, %%"REG_a"), %%mm0 \n\t"
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"movq (%2, %%"REG_a"), %%mm2 \n\t"
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"movq 1(%1, %%"REG_a"), %%mm1 \n\t"
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"movq 1(%2, %%"REG_a"), %%mm3 \n\t"
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"pavgb %%mm2, %%mm0 \n\t"
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"pavgb %%mm1, %%mm3 \n\t"
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"psubusb %%mm5, %%mm3 \n\t"
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"pavgb %%mm3, %%mm0 \n\t"
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"movq (%3, %%"REG_a"), %%mm2 \n\t"
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"psadbw %%mm2, %%mm0 \n\t"
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"add %4, %%"REG_a" \n\t"
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"movq (%1, %%"REG_a"), %%mm1 \n\t"
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"movq (%2, %%"REG_a"), %%mm3 \n\t"
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"movq 1(%1, %%"REG_a"), %%mm2 \n\t"
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"movq 1(%2, %%"REG_a"), %%mm4 \n\t"
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"pavgb %%mm3, %%mm1 \n\t"
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"pavgb %%mm4, %%mm2 \n\t"
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"psubusb %%mm5, %%mm2 \n\t"
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"pavgb %%mm1, %%mm2 \n\t"
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"movq (%3, %%"REG_a"), %%mm1 \n\t"
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"psadbw %%mm1, %%mm2 \n\t"
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"paddw %%mm2, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %4, %%"REG_a" \n\t"
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1 - len), "r" (blk1 - len + stride), "r" (blk2 - len), "r" ((long)stride)
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);
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}
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static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h)
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{
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long len= -(stride*h);
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asm volatile(
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ASMALIGN(4)
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"1: \n\t"
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"movq (%1, %%"REG_a"), %%mm0 \n\t"
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"movq (%2, %%"REG_a"), %%mm1 \n\t"
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"movq (%1, %%"REG_a"), %%mm2 \n\t"
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"movq (%2, %%"REG_a"), %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"punpckhbw %%mm7, %%mm3 \n\t"
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"paddw %%mm0, %%mm1 \n\t"
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"paddw %%mm2, %%mm3 \n\t"
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"movq (%3, %%"REG_a"), %%mm4 \n\t"
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"movq (%3, %%"REG_a"), %%mm2 \n\t"
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"paddw %%mm5, %%mm1 \n\t"
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"paddw %%mm5, %%mm3 \n\t"
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"psrlw $1, %%mm1 \n\t"
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"psrlw $1, %%mm3 \n\t"
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"packuswb %%mm3, %%mm1 \n\t"
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"psubusb %%mm1, %%mm4 \n\t"
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"psubusb %%mm2, %%mm1 \n\t"
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"por %%mm4, %%mm1 \n\t"
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"movq %%mm1, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %4, %%"REG_a" \n\t"
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((long)stride)
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);
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}
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static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
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{
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long len= -(stride*h);
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asm volatile(
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ASMALIGN(4)
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"1: \n\t"
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"movq (%1, %%"REG_a"), %%mm0 \n\t"
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"movq (%2, %%"REG_a"), %%mm1 \n\t"
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"movq %%mm0, %%mm4 \n\t"
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"movq %%mm1, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm4 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"paddw %%mm2, %%mm4 \n\t"
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"movq 1(%1, %%"REG_a"), %%mm2 \n\t"
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"movq 1(%2, %%"REG_a"), %%mm3 \n\t"
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"movq %%mm2, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
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"paddw %%mm0, %%mm2 \n\t"
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"paddw %%mm4, %%mm1 \n\t"
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"movq %%mm3, %%mm4 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"punpckhbw %%mm7, %%mm4 \n\t"
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"paddw %%mm3, %%mm2 \n\t"
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"paddw %%mm4, %%mm1 \n\t"
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"movq (%3, %%"REG_a"), %%mm3 \n\t"
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"movq (%3, %%"REG_a"), %%mm4 \n\t"
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"paddw %%mm5, %%mm2 \n\t"
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"paddw %%mm5, %%mm1 \n\t"
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"psrlw $2, %%mm2 \n\t"
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"psrlw $2, %%mm1 \n\t"
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"packuswb %%mm1, %%mm2 \n\t"
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"psubusb %%mm2, %%mm3 \n\t"
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"psubusb %%mm4, %%mm2 \n\t"
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"por %%mm3, %%mm2 \n\t"
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"movq %%mm2, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"paddw %%mm2, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %4, %%"REG_a" \n\t"
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" ((long)stride)
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);
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}
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static inline int sum_mmx(void)
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{
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int ret;
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asm volatile(
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"movq %%mm6, %%mm0 \n\t"
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"psrlq $32, %%mm6 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"movq %%mm6, %%mm0 \n\t"
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"psrlq $16, %%mm6 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"movd %%mm6, %0 \n\t"
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: "=r" (ret)
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);
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return ret&0xFFFF;
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}
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static inline int sum_mmx2(void)
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{
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int ret;
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asm volatile(
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"movd %%mm6, %0 \n\t"
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: "=r" (ret)
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);
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return ret;
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}
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#define PIX_SAD(suf)\
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static int sad8_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
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{\
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assert(h==8);\
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asm volatile("pxor %%mm7, %%mm7 \n\t"\
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"pxor %%mm6, %%mm6 \n\t":);\
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\
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sad8_1_ ## suf(blk1, blk2, stride, 8);\
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\
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return sum_ ## suf();\
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}\
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static int sad8_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
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{\
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assert(h==8);\
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asm volatile("pxor %%mm7, %%mm7 \n\t"\
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"pxor %%mm6, %%mm6 \n\t"\
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"movq %0, %%mm5 \n\t"\
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:: "m"(round_tab[1]) \
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);\
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\
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sad8_2_ ## suf(blk1, blk1+1, blk2, stride, 8);\
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\
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return sum_ ## suf();\
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}\
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\
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static int sad8_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
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{\
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assert(h==8);\
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asm volatile("pxor %%mm7, %%mm7 \n\t"\
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"pxor %%mm6, %%mm6 \n\t"\
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"movq %0, %%mm5 \n\t"\
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:: "m"(round_tab[1]) \
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);\
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\
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sad8_2_ ## suf(blk1, blk1+stride, blk2, stride, 8);\
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\
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return sum_ ## suf();\
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}\
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\
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static int sad8_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
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{\
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assert(h==8);\
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asm volatile("pxor %%mm7, %%mm7 \n\t"\
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"pxor %%mm6, %%mm6 \n\t"\
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"movq %0, %%mm5 \n\t"\
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:: "m"(round_tab[2]) \
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);\
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\
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sad8_4_ ## suf(blk1, blk2, stride, 8);\
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\
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return sum_ ## suf();\
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}\
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\
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static int sad16_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
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{\
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asm volatile("pxor %%mm7, %%mm7 \n\t"\
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"pxor %%mm6, %%mm6 \n\t":);\
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\
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sad8_1_ ## suf(blk1 , blk2 , stride, h);\
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sad8_1_ ## suf(blk1+8, blk2+8, stride, h);\
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\
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return sum_ ## suf();\
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}\
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static int sad16_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
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{\
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asm volatile("pxor %%mm7, %%mm7 \n\t"\
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"pxor %%mm6, %%mm6 \n\t"\
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"movq %0, %%mm5 \n\t"\
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:: "m"(round_tab[1]) \
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);\
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\
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sad8_2_ ## suf(blk1 , blk1+1, blk2 , stride, h);\
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sad8_2_ ## suf(blk1+8, blk1+9, blk2+8, stride, h);\
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\
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return sum_ ## suf();\
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}\
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static int sad16_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
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{\
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asm volatile("pxor %%mm7, %%mm7 \n\t"\
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"pxor %%mm6, %%mm6 \n\t"\
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"movq %0, %%mm5 \n\t"\
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:: "m"(round_tab[1]) \
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);\
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\
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sad8_2_ ## suf(blk1 , blk1+stride, blk2 , stride, h);\
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sad8_2_ ## suf(blk1+8, blk1+stride+8,blk2+8, stride, h);\
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\
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return sum_ ## suf();\
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}\
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static int sad16_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
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{\
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asm volatile("pxor %%mm7, %%mm7 \n\t"\
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"pxor %%mm6, %%mm6 \n\t"\
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"movq %0, %%mm5 \n\t"\
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:: "m"(round_tab[2]) \
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);\
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\
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sad8_4_ ## suf(blk1 , blk2 , stride, h);\
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sad8_4_ ## suf(blk1+8, blk2+8, stride, h);\
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\
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return sum_ ## suf();\
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}\
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PIX_SAD(mmx)
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PIX_SAD(mmx2)
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void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx)
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{
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if (mm_flags & MM_MMX) {
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c->pix_abs[0][0] = sad16_mmx;
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c->pix_abs[0][1] = sad16_x2_mmx;
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c->pix_abs[0][2] = sad16_y2_mmx;
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c->pix_abs[0][3] = sad16_xy2_mmx;
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c->pix_abs[1][0] = sad8_mmx;
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c->pix_abs[1][1] = sad8_x2_mmx;
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c->pix_abs[1][2] = sad8_y2_mmx;
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c->pix_abs[1][3] = sad8_xy2_mmx;
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c->sad[0]= sad16_mmx;
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c->sad[1]= sad8_mmx;
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}
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if (mm_flags & MM_MMXEXT) {
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c->pix_abs[0][0] = sad16_mmx2;
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c->pix_abs[1][0] = sad8_mmx2;
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c->sad[0]= sad16_mmx2;
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c->sad[1]= sad8_mmx2;
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if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
|
|
c->pix_abs[0][1] = sad16_x2_mmx2;
|
|
c->pix_abs[0][2] = sad16_y2_mmx2;
|
|
c->pix_abs[0][3] = sad16_xy2_mmx2;
|
|
c->pix_abs[1][1] = sad8_x2_mmx2;
|
|
c->pix_abs[1][2] = sad8_y2_mmx2;
|
|
c->pix_abs[1][3] = sad8_xy2_mmx2;
|
|
}
|
|
}
|
|
}
|