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420 lines
13 KiB
420 lines
13 KiB
/* |
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* MMX optimized motion estimation |
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* Copyright (c) 2001 Fabrice Bellard. |
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* |
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* This library 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 of the License, or (at your option) any later version. |
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* |
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* This library 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 this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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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|
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static const __attribute__ ((aligned(8))) uint64_t round_tab[3]={ |
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0x0000000000000000, |
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0x0001000100010001, |
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0x0002000200020002, |
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}; |
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static __attribute__ ((aligned(8))) uint64_t bone= 0x0101010101010101LL; |
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|
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static inline void sad8_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
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{ |
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int len= -(stride<<h); |
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asm volatile( |
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".balign 16 \n\t" |
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"1: \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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"movq (%2, %%eax), %%mm2 \n\t" |
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"movq (%2, %%eax), %%mm4 \n\t" |
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"addl %3, %%eax \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, %%eax), %%mm1 \n\t" |
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"movq (%2, %%eax), %%mm3 \n\t" |
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"movq (%2, %%eax), %%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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"addl %3, %%eax \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" (stride) |
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); |
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} |
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static inline void sad8_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
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{ |
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int len= -(stride<<h); |
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asm volatile( |
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".balign 16 \n\t" |
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"1: \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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"movq (%2, %%eax), %%mm2 \n\t" |
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"psadbw %%mm2, %%mm0 \n\t" |
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"addl %3, %%eax \n\t" |
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"movq (%1, %%eax), %%mm1 \n\t" |
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"movq (%2, %%eax), %%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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"addl %3, %%eax \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" (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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int len= -(stride<<h); |
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asm volatile( |
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".balign 16 \n\t" |
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"1: \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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"movq (%2, %%eax), %%mm2 \n\t" |
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"pavgb %%mm2, %%mm0 \n\t" |
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"movq (%3, %%eax), %%mm2 \n\t" |
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"psadbw %%mm2, %%mm0 \n\t" |
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"addl %4, %%eax \n\t" |
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"movq (%1, %%eax), %%mm1 \n\t" |
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"movq (%2, %%eax), %%mm3 \n\t" |
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"pavgb %%mm1, %%mm3 \n\t" |
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"movq (%3, %%eax), %%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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"addl %4, %%eax \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" (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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int len= -(stride<<h); |
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asm volatile( |
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".balign 16 \n\t" |
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"movq "MANGLE(bone)", %%mm5 \n\t" |
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"1: \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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"movq (%2, %%eax), %%mm2 \n\t" |
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"movq 1(%1, %%eax), %%mm1 \n\t" |
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"movq 1(%2, %%eax), %%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, %%eax), %%mm2 \n\t" |
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"psadbw %%mm2, %%mm0 \n\t" |
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"addl %4, %%eax \n\t" |
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"movq (%1, %%eax), %%mm1 \n\t" |
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"movq (%2, %%eax), %%mm3 \n\t" |
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"movq 1(%1, %%eax), %%mm2 \n\t" |
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"movq 1(%2, %%eax), %%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, %%eax), %%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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"addl %4, %%eax \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" (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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int len= -(stride<<h); |
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asm volatile( |
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".balign 16 \n\t" |
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"1: \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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"movq (%2, %%eax), %%mm1 \n\t" |
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"movq (%1, %%eax), %%mm2 \n\t" |
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"movq (%2, %%eax), %%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, %%eax), %%mm4 \n\t" |
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"movq (%3, %%eax), %%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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"addl %4, %%eax \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" (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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int len= -(stride<<h); |
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asm volatile( |
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".balign 16 \n\t" |
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"1: \n\t" |
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"movq (%1, %%eax), %%mm0 \n\t" |
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"movq (%2, %%eax), %%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, %%eax), %%mm2 \n\t" |
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"movq 1(%2, %%eax), %%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, %%eax), %%mm3 \n\t" |
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"movq (%3, %%eax), %%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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"addl %4, %%eax \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" (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 pix_abs8x8_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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_ ## suf(blk1, blk2, stride, 3);\ |
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\ |
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return sum_ ## suf();\ |
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}\ |
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static int sad8x8_ ## suf(void *s, uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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_ ## suf(blk1, blk2, stride, 3);\ |
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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 pix_abs8x8_x2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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, 3);\ |
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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 pix_abs8x8_y2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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, 3);\ |
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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 pix_abs8x8_xy2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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, 3);\ |
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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 pix_abs16x16_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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_ ## suf(blk1 , blk2 , stride, 4);\ |
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sad8_ ## suf(blk1+8, blk2+8, stride, 4);\ |
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\ |
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return sum_ ## suf();\ |
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}\ |
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static int sad16x16_ ## suf(void *s, uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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_ ## suf(blk1 , blk2 , stride, 4);\ |
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sad8_ ## suf(blk1+8, blk2+8, stride, 4);\ |
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\ |
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return sum_ ## suf();\ |
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}\ |
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static int pix_abs16x16_x2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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, 4);\ |
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sad8_2_ ## suf(blk1+8, blk1+9, blk2+8, stride, 4);\ |
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\ |
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return sum_ ## suf();\ |
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}\ |
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static int pix_abs16x16_y2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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, 4);\ |
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sad8_2_ ## suf(blk1+8, blk1+stride+8,blk2+8, stride, 4);\ |
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\ |
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return sum_ ## suf();\ |
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}\ |
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static int pix_abs16x16_xy2_ ## suf(uint8_t *blk2, uint8_t *blk1, int stride)\ |
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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, 4);\ |
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sad8_4_ ## suf(blk1+8, blk2+8, stride, 4);\ |
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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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|
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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_abs16x16 = pix_abs16x16_mmx; |
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c->pix_abs16x16_x2 = pix_abs16x16_x2_mmx; |
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c->pix_abs16x16_y2 = pix_abs16x16_y2_mmx; |
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c->pix_abs16x16_xy2 = pix_abs16x16_xy2_mmx; |
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c->pix_abs8x8 = pix_abs8x8_mmx; |
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c->pix_abs8x8_x2 = pix_abs8x8_x2_mmx; |
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c->pix_abs8x8_y2 = pix_abs8x8_y2_mmx; |
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c->pix_abs8x8_xy2 = pix_abs8x8_xy2_mmx; |
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|
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c->sad[0]= sad16x16_mmx; |
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c->sad[1]= sad8x8_mmx; |
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} |
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if (mm_flags & MM_MMXEXT) { |
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c->pix_abs16x16 = pix_abs16x16_mmx2; |
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c->pix_abs8x8 = pix_abs8x8_mmx2; |
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|
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c->sad[0]= sad16x16_mmx2; |
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c->sad[1]= sad8x8_mmx2; |
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|
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if(!(avctx->flags & CODEC_FLAG_BITEXACT)){ |
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c->pix_abs16x16_x2 = pix_abs16x16_x2_mmx2; |
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c->pix_abs16x16_y2 = pix_abs16x16_y2_mmx2; |
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c->pix_abs16x16_xy2 = pix_abs16x16_xy2_mmx2; |
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c->pix_abs8x8_x2 = pix_abs8x8_x2_mmx2; |
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c->pix_abs8x8_y2 = pix_abs8x8_y2_mmx2; |
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c->pix_abs8x8_xy2 = pix_abs8x8_xy2_mmx2; |
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} |
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} |
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}
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