ffmpeg / libavcodec / i386 / motion_est_mmx.c @ b550bfaa
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/*
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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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|
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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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|
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static attribute_used __attribute__ ((aligned(8))) uint64_t bone= 0x0101010101010101LL; |
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|
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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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|
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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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asm volatile( |
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ASMALIGN(4)
|
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"1: \n\t"
|
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"movq (%1), %%mm0 \n\t"
|
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"movq (%1, %3), %%mm1 \n\t"
|
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"psadbw (%2), %%mm0 \n\t"
|
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"psadbw (%2, %3), %%mm1 \n\t"
|
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"paddw %%mm0, %%mm6 \n\t"
|
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"paddw %%mm1, %%mm6 \n\t"
|
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"lea (%1,%3,2), %1 \n\t"
|
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"lea (%2,%3,2), %2 \n\t"
|
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"sub $2, %0 \n\t"
|
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" jg 1b \n\t"
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: "+r" (h), "+r" (blk1), "+r" (blk2) |
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: "r" ((long)stride) |
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); |
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} |
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|
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static int sad16_sse2(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h) |
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{
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int ret;
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asm volatile( |
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"pxor %%xmm6, %%xmm6 \n\t"
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ASMALIGN(4)
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"1: \n\t"
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"movdqu (%1), %%xmm0 \n\t"
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"movdqu (%1, %3), %%xmm1 \n\t"
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"psadbw (%2), %%xmm0 \n\t"
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"psadbw (%2, %3), %%xmm1 \n\t"
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"paddw %%xmm0, %%xmm6 \n\t"
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"paddw %%xmm1, %%xmm6 \n\t"
|
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"lea (%1,%3,2), %1 \n\t"
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"lea (%2,%3,2), %2 \n\t"
|
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"sub $2, %0 \n\t"
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" jg 1b \n\t"
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: "+r" (h), "+r" (blk1), "+r" (blk2) |
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: "r" ((long)stride) |
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); |
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asm volatile( |
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"movhlps %%xmm6, %%xmm0 \n\t"
|
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"paddw %%xmm0, %%xmm6 \n\t"
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"movd %%xmm6, %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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static inline void sad8_x2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
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{
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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), %%mm0 \n\t"
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"movq (%1, %3), %%mm1 \n\t"
|
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"pavgb 1(%1), %%mm0 \n\t"
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"pavgb 1(%1, %3), %%mm1 \n\t"
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"psadbw (%2), %%mm0 \n\t"
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"psadbw (%2, %3), %%mm1 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"paddw %%mm1, %%mm6 \n\t"
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"lea (%1,%3,2), %1 \n\t"
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"lea (%2,%3,2), %2 \n\t"
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"sub $2, %0 \n\t"
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" jg 1b \n\t"
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: "+r" (h), "+r" (blk1), "+r" (blk2) |
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: "r" ((long)stride) |
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); |
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} |
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|
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static inline void sad8_y2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
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{
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asm volatile( |
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"movq (%1), %%mm0 \n\t"
|
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"add %3, %1 \n\t"
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ASMALIGN(4)
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"1: \n\t"
|
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"movq (%1), %%mm1 \n\t"
|
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"movq (%1, %3), %%mm2 \n\t"
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"pavgb %%mm1, %%mm0 \n\t"
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"pavgb %%mm2, %%mm1 \n\t"
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"psadbw (%2), %%mm0 \n\t"
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"psadbw (%2, %3), %%mm1 \n\t"
|
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"paddw %%mm0, %%mm6 \n\t"
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"paddw %%mm1, %%mm6 \n\t"
|
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"movq %%mm2, %%mm0 \n\t"
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"lea (%1,%3,2), %1 \n\t"
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"lea (%2,%3,2), %2 \n\t"
|
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"sub $2, %0 \n\t"
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" jg 1b \n\t"
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: "+r" (h), "+r" (blk1), "+r" (blk2) |
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: "r" ((long)stride) |
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); |
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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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{
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asm volatile( |
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"movq "MANGLE(bone)", %%mm5 \n\t" |
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"movq (%1), %%mm0 \n\t"
|
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"pavgb 1(%1), %%mm0 \n\t"
|
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"add %3, %1 \n\t"
|
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ASMALIGN(4)
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"1: \n\t"
|
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"movq (%1), %%mm1 \n\t"
|
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"movq (%1,%3), %%mm2 \n\t"
|
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"pavgb 1(%1), %%mm1 \n\t"
|
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"pavgb 1(%1,%3), %%mm2 \n\t"
|
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"psubusb %%mm5, %%mm1 \n\t"
|
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"pavgb %%mm1, %%mm0 \n\t"
|
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"pavgb %%mm2, %%mm1 \n\t"
|
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"psadbw (%2), %%mm0 \n\t"
|
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"psadbw (%2,%3), %%mm1 \n\t"
|
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"paddw %%mm0, %%mm6 \n\t"
|
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"paddw %%mm1, %%mm6 \n\t"
|
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"movq %%mm2, %%mm0 \n\t"
|
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"lea (%1,%3,2), %1 \n\t"
|
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"lea (%2,%3,2), %2 \n\t"
|
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"sub $2, %0 \n\t"
|
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" jg 1b \n\t"
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: "+r" (h), "+r" (blk1), "+r" (blk2) |
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: "r" ((long)stride) |
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); |
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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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|
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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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"movq (%1, %%"REG_a"), %%mm0 \n\t" |
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"movq 1(%1, %%"REG_a"), %%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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ASMALIGN(4)
|
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"1: \n\t"
|
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"movq (%2, %%"REG_a"), %%mm2 \n\t" |
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"movq 1(%2, %%"REG_a"), %%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 %%mm5, %%mm3 \n\t"
|
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"movq 16+"MANGLE(round_tab)", %%mm5 \n\t" |
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"paddw %%mm2, %%mm0 \n\t"
|
| 263 |
"paddw %%mm3, %%mm1 \n\t"
|
| 264 |
"paddw %%mm5, %%mm0 \n\t"
|
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"paddw %%mm5, %%mm1 \n\t"
|
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"movq (%3, %%"REG_a"), %%mm4 \n\t" |
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"movq (%3, %%"REG_a"), %%mm5 \n\t" |
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"psrlw $2, %%mm0 \n\t"
|
| 269 |
"psrlw $2, %%mm1 \n\t"
|
| 270 |
"packuswb %%mm1, %%mm0 \n\t"
|
| 271 |
"psubusb %%mm0, %%mm4 \n\t"
|
| 272 |
"psubusb %%mm5, %%mm0 \n\t"
|
| 273 |
"por %%mm4, %%mm0 \n\t"
|
| 274 |
"movq %%mm0, %%mm4 \n\t"
|
| 275 |
"punpcklbw %%mm7, %%mm0 \n\t"
|
| 276 |
"punpckhbw %%mm7, %%mm4 \n\t"
|
| 277 |
"paddw %%mm0, %%mm6 \n\t"
|
| 278 |
"paddw %%mm4, %%mm6 \n\t"
|
| 279 |
"movq %%mm2, %%mm0 \n\t"
|
| 280 |
"movq %%mm3, %%mm1 \n\t"
|
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"add %4, %%"REG_a" \n\t" |
| 282 |
" js 1b \n\t"
|
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: "+a" (len)
|
| 284 |
: "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" ((long)stride) |
| 285 |
); |
| 286 |
} |
| 287 |
|
| 288 |
static inline int sum_mmx(void) |
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{
|
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int ret;
|
| 291 |
asm volatile( |
| 292 |
"movq %%mm6, %%mm0 \n\t"
|
| 293 |
"psrlq $32, %%mm6 \n\t"
|
| 294 |
"paddw %%mm0, %%mm6 \n\t"
|
| 295 |
"movq %%mm6, %%mm0 \n\t"
|
| 296 |
"psrlq $16, %%mm6 \n\t"
|
| 297 |
"paddw %%mm0, %%mm6 \n\t"
|
| 298 |
"movd %%mm6, %0 \n\t"
|
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: "=r" (ret)
|
| 300 |
); |
| 301 |
return ret&0xFFFF; |
| 302 |
} |
| 303 |
|
| 304 |
static inline int sum_mmx2(void) |
| 305 |
{
|
| 306 |
int ret;
|
| 307 |
asm volatile( |
| 308 |
"movd %%mm6, %0 \n\t"
|
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: "=r" (ret)
|
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); |
| 311 |
return ret;
|
| 312 |
} |
| 313 |
|
| 314 |
static inline void sad8_x2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| 315 |
{
|
| 316 |
sad8_2_mmx(blk1, blk1+1, blk2, stride, h);
|
| 317 |
} |
| 318 |
static inline void sad8_y2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| 319 |
{
|
| 320 |
sad8_2_mmx(blk1, blk1+stride, blk2, stride, h); |
| 321 |
} |
| 322 |
|
| 323 |
|
| 324 |
#define PIX_SAD(suf)\
|
| 325 |
static int sad8_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 326 |
{\
|
| 327 |
assert(h==8);\
|
| 328 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 329 |
"pxor %%mm6, %%mm6 \n\t":);\
|
| 330 |
\ |
| 331 |
sad8_1_ ## suf(blk1, blk2, stride, 8);\ |
| 332 |
\ |
| 333 |
return sum_ ## suf();\ |
| 334 |
}\ |
| 335 |
static int sad8_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 336 |
{\
|
| 337 |
assert(h==8);\
|
| 338 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 339 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 340 |
"movq %0, %%mm5 \n\t"\
|
| 341 |
:: "m"(round_tab[1]) \ |
| 342 |
);\ |
| 343 |
\ |
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sad8_x2a_ ## suf(blk1, blk2, stride, 8);\ |
| 345 |
\ |
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return sum_ ## suf();\ |
| 347 |
}\ |
| 348 |
\ |
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static int sad8_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 350 |
{\
|
| 351 |
assert(h==8);\
|
| 352 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 353 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 354 |
"movq %0, %%mm5 \n\t"\
|
| 355 |
:: "m"(round_tab[1]) \ |
| 356 |
);\ |
| 357 |
\ |
| 358 |
sad8_y2a_ ## suf(blk1, blk2, stride, 8);\ |
| 359 |
\ |
| 360 |
return sum_ ## suf();\ |
| 361 |
}\ |
| 362 |
\ |
| 363 |
static int sad8_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 364 |
{\
|
| 365 |
assert(h==8);\
|
| 366 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 367 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 368 |
::);\ |
| 369 |
\ |
| 370 |
sad8_4_ ## suf(blk1, blk2, stride, 8);\ |
| 371 |
\ |
| 372 |
return sum_ ## suf();\ |
| 373 |
}\ |
| 374 |
\ |
| 375 |
static int sad16_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 376 |
{\
|
| 377 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 378 |
"pxor %%mm6, %%mm6 \n\t":);\
|
| 379 |
\ |
| 380 |
sad8_1_ ## suf(blk1 , blk2 , stride, h);\ |
| 381 |
sad8_1_ ## suf(blk1+8, blk2+8, stride, h);\ |
| 382 |
\ |
| 383 |
return sum_ ## suf();\ |
| 384 |
}\ |
| 385 |
static int sad16_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 386 |
{\
|
| 387 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 388 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 389 |
"movq %0, %%mm5 \n\t"\
|
| 390 |
:: "m"(round_tab[1]) \ |
| 391 |
);\ |
| 392 |
\ |
| 393 |
sad8_x2a_ ## suf(blk1 , blk2 , stride, h);\ |
| 394 |
sad8_x2a_ ## suf(blk1+8, blk2+8, stride, h);\ |
| 395 |
\ |
| 396 |
return sum_ ## suf();\ |
| 397 |
}\ |
| 398 |
static int sad16_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 399 |
{\
|
| 400 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 401 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 402 |
"movq %0, %%mm5 \n\t"\
|
| 403 |
:: "m"(round_tab[1]) \ |
| 404 |
);\ |
| 405 |
\ |
| 406 |
sad8_y2a_ ## suf(blk1 , blk2 , stride, h);\ |
| 407 |
sad8_y2a_ ## suf(blk1+8, blk2+8, stride, h);\ |
| 408 |
\ |
| 409 |
return sum_ ## suf();\ |
| 410 |
}\ |
| 411 |
static int sad16_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 412 |
{\
|
| 413 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 414 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 415 |
::);\ |
| 416 |
\ |
| 417 |
sad8_4_ ## suf(blk1 , blk2 , stride, h);\ |
| 418 |
sad8_4_ ## suf(blk1+8, blk2+8, stride, h);\ |
| 419 |
\ |
| 420 |
return sum_ ## suf();\ |
| 421 |
}\ |
| 422 |
|
| 423 |
PIX_SAD(mmx) |
| 424 |
PIX_SAD(mmx2) |
| 425 |
|
| 426 |
void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx)
|
| 427 |
{
|
| 428 |
if (mm_flags & MM_MMX) {
|
| 429 |
c->pix_abs[0][0] = sad16_mmx; |
| 430 |
c->pix_abs[0][1] = sad16_x2_mmx; |
| 431 |
c->pix_abs[0][2] = sad16_y2_mmx; |
| 432 |
c->pix_abs[0][3] = sad16_xy2_mmx; |
| 433 |
c->pix_abs[1][0] = sad8_mmx; |
| 434 |
c->pix_abs[1][1] = sad8_x2_mmx; |
| 435 |
c->pix_abs[1][2] = sad8_y2_mmx; |
| 436 |
c->pix_abs[1][3] = sad8_xy2_mmx; |
| 437 |
|
| 438 |
c->sad[0]= sad16_mmx;
|
| 439 |
c->sad[1]= sad8_mmx;
|
| 440 |
} |
| 441 |
if (mm_flags & MM_MMXEXT) {
|
| 442 |
c->pix_abs[0][0] = sad16_mmx2; |
| 443 |
c->pix_abs[1][0] = sad8_mmx2; |
| 444 |
|
| 445 |
c->sad[0]= sad16_mmx2;
|
| 446 |
c->sad[1]= sad8_mmx2;
|
| 447 |
|
| 448 |
if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
|
| 449 |
c->pix_abs[0][1] = sad16_x2_mmx2; |
| 450 |
c->pix_abs[0][2] = sad16_y2_mmx2; |
| 451 |
c->pix_abs[0][3] = sad16_xy2_mmx2; |
| 452 |
c->pix_abs[1][1] = sad8_x2_mmx2; |
| 453 |
c->pix_abs[1][2] = sad8_y2_mmx2; |
| 454 |
c->pix_abs[1][3] = sad8_xy2_mmx2; |
| 455 |
} |
| 456 |
} |
| 457 |
if ((mm_flags & MM_SSE2) && !(mm_flags & MM_3DNOW)) {
|
| 458 |
c->sad[0]= sad16_sse2;
|
| 459 |
} |
| 460 |
} |