motion_est_mmx.c
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上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:13k
源码类别:
Windows CE
开发平台:
C/C++
- /*
- * MMX optimized motion estimation
- * Copyright (c) 2001 Fabrice Bellard.
- * Copyright (c) 2002-2004 Michael Niedermayer
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * mostly by Michael Niedermayer <michaelni@gmx.at>
- */
- #include "../dsputil.h"
- #include "mmx.h"
- static const __attribute__ ((aligned(8))) uint64_t round_tab[3]={
- 0x0000000000000000ULL,
- 0x0001000100010001ULL,
- 0x0002000200020002ULL,
- };
- static attribute_used __attribute__ ((aligned(8))) uint64_t bone= 0x0101010101010101LL;
- static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
- {
- long len= -(stride*h);
- asm volatile(
- ".balign 16 nt"
- "1: nt"
- "movq (%1, %%"REG_a"), %%mm0 nt"
- "movq (%2, %%"REG_a"), %%mm2 nt"
- "movq (%2, %%"REG_a"), %%mm4 nt"
- "add %3, %%"REG_a" nt"
- "psubusb %%mm0, %%mm2 nt"
- "psubusb %%mm4, %%mm0 nt"
- "movq (%1, %%"REG_a"), %%mm1 nt"
- "movq (%2, %%"REG_a"), %%mm3 nt"
- "movq (%2, %%"REG_a"), %%mm5 nt"
- "psubusb %%mm1, %%mm3 nt"
- "psubusb %%mm5, %%mm1 nt"
- "por %%mm2, %%mm0 nt"
- "por %%mm1, %%mm3 nt"
- "movq %%mm0, %%mm1 nt"
- "movq %%mm3, %%mm2 nt"
- "punpcklbw %%mm7, %%mm0 nt"
- "punpckhbw %%mm7, %%mm1 nt"
- "punpcklbw %%mm7, %%mm3 nt"
- "punpckhbw %%mm7, %%mm2 nt"
- "paddw %%mm1, %%mm0 nt"
- "paddw %%mm3, %%mm2 nt"
- "paddw %%mm2, %%mm0 nt"
- "paddw %%mm0, %%mm6 nt"
- "add %3, %%"REG_a" nt"
- " js 1b nt"
- : "+a" (len)
- : "r" (blk1 - len), "r" (blk2 - len), "r" ((long)stride)
- );
- }
- static inline void sad8_1_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
- {
- long len= -(stride*h);
- asm volatile(
- ".balign 16 nt"
- "1: nt"
- "movq (%1, %%"REG_a"), %%mm0 nt"
- "movq (%2, %%"REG_a"), %%mm2 nt"
- "psadbw %%mm2, %%mm0 nt"
- "add %3, %%"REG_a" nt"
- "movq (%1, %%"REG_a"), %%mm1 nt"
- "movq (%2, %%"REG_a"), %%mm3 nt"
- "psadbw %%mm1, %%mm3 nt"
- "paddw %%mm3, %%mm0 nt"
- "paddw %%mm0, %%mm6 nt"
- "add %3, %%"REG_a" nt"
- " js 1b nt"
- : "+a" (len)
- : "r" (blk1 - len), "r" (blk2 - len), "r" ((long)stride)
- );
- }
- static inline void sad8_2_mmx2(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h)
- {
- long len= -(stride*h);
- asm volatile(
- ".balign 16 nt"
- "1: nt"
- "movq (%1, %%"REG_a"), %%mm0 nt"
- "movq (%2, %%"REG_a"), %%mm2 nt"
- "pavgb %%mm2, %%mm0 nt"
- "movq (%3, %%"REG_a"), %%mm2 nt"
- "psadbw %%mm2, %%mm0 nt"
- "add %4, %%"REG_a" nt"
- "movq (%1, %%"REG_a"), %%mm1 nt"
- "movq (%2, %%"REG_a"), %%mm3 nt"
- "pavgb %%mm1, %%mm3 nt"
- "movq (%3, %%"REG_a"), %%mm1 nt"
- "psadbw %%mm1, %%mm3 nt"
- "paddw %%mm3, %%mm0 nt"
- "paddw %%mm0, %%mm6 nt"
- "add %4, %%"REG_a" nt"
- " js 1b nt"
- : "+a" (len)
- : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((long)stride)
- );
- }
- static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
- { //FIXME reuse src
- long len= -(stride*h);
- asm volatile(
- ".balign 16 nt"
- "movq "MANGLE(bone)", %%mm5 nt"
- "1: nt"
- "movq (%1, %%"REG_a"), %%mm0 nt"
- "movq (%2, %%"REG_a"), %%mm2 nt"
- "movq 1(%1, %%"REG_a"), %%mm1 nt"
- "movq 1(%2, %%"REG_a"), %%mm3 nt"
- "pavgb %%mm2, %%mm0 nt"
- "pavgb %%mm1, %%mm3 nt"
- "psubusb %%mm5, %%mm3 nt"
- "pavgb %%mm3, %%mm0 nt"
- "movq (%3, %%"REG_a"), %%mm2 nt"
- "psadbw %%mm2, %%mm0 nt"
- "add %4, %%"REG_a" nt"
- "movq (%1, %%"REG_a"), %%mm1 nt"
- "movq (%2, %%"REG_a"), %%mm3 nt"
- "movq 1(%1, %%"REG_a"), %%mm2 nt"
- "movq 1(%2, %%"REG_a"), %%mm4 nt"
- "pavgb %%mm3, %%mm1 nt"
- "pavgb %%mm4, %%mm2 nt"
- "psubusb %%mm5, %%mm2 nt"
- "pavgb %%mm1, %%mm2 nt"
- "movq (%3, %%"REG_a"), %%mm1 nt"
- "psadbw %%mm1, %%mm2 nt"
- "paddw %%mm2, %%mm0 nt"
- "paddw %%mm0, %%mm6 nt"
- "add %4, %%"REG_a" nt"
- " js 1b nt"
- : "+a" (len)
- : "r" (blk1 - len), "r" (blk1 - len + stride), "r" (blk2 - len), "r" ((long)stride)
- );
- }
- static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h)
- {
- long len= -(stride*h);
- asm volatile(
- ".balign 16 nt"
- "1: nt"
- "movq (%1, %%"REG_a"), %%mm0 nt"
- "movq (%2, %%"REG_a"), %%mm1 nt"
- "movq (%1, %%"REG_a"), %%mm2 nt"
- "movq (%2, %%"REG_a"), %%mm3 nt"
- "punpcklbw %%mm7, %%mm0 nt"
- "punpcklbw %%mm7, %%mm1 nt"
- "punpckhbw %%mm7, %%mm2 nt"
- "punpckhbw %%mm7, %%mm3 nt"
- "paddw %%mm0, %%mm1 nt"
- "paddw %%mm2, %%mm3 nt"
- "movq (%3, %%"REG_a"), %%mm4 nt"
- "movq (%3, %%"REG_a"), %%mm2 nt"
- "paddw %%mm5, %%mm1 nt"
- "paddw %%mm5, %%mm3 nt"
- "psrlw $1, %%mm1 nt"
- "psrlw $1, %%mm3 nt"
- "packuswb %%mm3, %%mm1 nt"
- "psubusb %%mm1, %%mm4 nt"
- "psubusb %%mm2, %%mm1 nt"
- "por %%mm4, %%mm1 nt"
- "movq %%mm1, %%mm0 nt"
- "punpcklbw %%mm7, %%mm0 nt"
- "punpckhbw %%mm7, %%mm1 nt"
- "paddw %%mm1, %%mm0 nt"
- "paddw %%mm0, %%mm6 nt"
- "add %4, %%"REG_a" nt"
- " js 1b nt"
- : "+a" (len)
- : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((long)stride)
- );
- }
- static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
- {
- long len= -(stride*h);
- asm volatile(
- ".balign 16 nt"
- "1: nt"
- "movq (%1, %%"REG_a"), %%mm0 nt"
- "movq (%2, %%"REG_a"), %%mm1 nt"
- "movq %%mm0, %%mm4 nt"
- "movq %%mm1, %%mm2 nt"
- "punpcklbw %%mm7, %%mm0 nt"
- "punpcklbw %%mm7, %%mm1 nt"
- "punpckhbw %%mm7, %%mm4 nt"
- "punpckhbw %%mm7, %%mm2 nt"
- "paddw %%mm1, %%mm0 nt"
- "paddw %%mm2, %%mm4 nt"
- "movq 1(%1, %%"REG_a"), %%mm2 nt"
- "movq 1(%2, %%"REG_a"), %%mm3 nt"
- "movq %%mm2, %%mm1 nt"
- "punpcklbw %%mm7, %%mm2 nt"
- "punpckhbw %%mm7, %%mm1 nt"
- "paddw %%mm0, %%mm2 nt"
- "paddw %%mm4, %%mm1 nt"
- "movq %%mm3, %%mm4 nt"
- "punpcklbw %%mm7, %%mm3 nt"
- "punpckhbw %%mm7, %%mm4 nt"
- "paddw %%mm3, %%mm2 nt"
- "paddw %%mm4, %%mm1 nt"
- "movq (%3, %%"REG_a"), %%mm3 nt"
- "movq (%3, %%"REG_a"), %%mm4 nt"
- "paddw %%mm5, %%mm2 nt"
- "paddw %%mm5, %%mm1 nt"
- "psrlw $2, %%mm2 nt"
- "psrlw $2, %%mm1 nt"
- "packuswb %%mm1, %%mm2 nt"
- "psubusb %%mm2, %%mm3 nt"
- "psubusb %%mm4, %%mm2 nt"
- "por %%mm3, %%mm2 nt"
- "movq %%mm2, %%mm0 nt"
- "punpcklbw %%mm7, %%mm0 nt"
- "punpckhbw %%mm7, %%mm2 nt"
- "paddw %%mm2, %%mm0 nt"
- "paddw %%mm0, %%mm6 nt"
- "add %4, %%"REG_a" nt"
- " js 1b nt"
- : "+a" (len)
- : "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" ((long)stride)
- );
- }
- static inline int sum_mmx(void)
- {
- int ret;
- asm volatile(
- "movq %%mm6, %%mm0 nt"
- "psrlq $32, %%mm6 nt"
- "paddw %%mm0, %%mm6 nt"
- "movq %%mm6, %%mm0 nt"
- "psrlq $16, %%mm6 nt"
- "paddw %%mm0, %%mm6 nt"
- "movd %%mm6, %0 nt"
- : "=r" (ret)
- );
- return ret&0xFFFF;
- }
- static inline int sum_mmx2(void)
- {
- int ret;
- asm volatile(
- "movd %%mm6, %0 nt"
- : "=r" (ret)
- );
- return ret;
- }
- #define PIX_SAD(suf)
- static int sad8_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
- {
- assert(h==8);
- asm volatile("pxor %%mm7, %%mm7 nt"
- "pxor %%mm6, %%mm6 nt":);
- sad8_1_ ## suf(blk1, blk2, stride, 8);
- return sum_ ## suf();
- }
- static int sad8_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
- {
- assert(h==8);
- asm volatile("pxor %%mm7, %%mm7 nt"
- "pxor %%mm6, %%mm6 nt"
- "movq %0, %%mm5 nt"
- :: "m"(round_tab[1])
- );
- sad8_2_ ## suf(blk1, blk1+1, blk2, stride, 8);
- return sum_ ## suf();
- }
- static int sad8_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
- {
- assert(h==8);
- asm volatile("pxor %%mm7, %%mm7 nt"
- "pxor %%mm6, %%mm6 nt"
- "movq %0, %%mm5 nt"
- :: "m"(round_tab[1])
- );
- sad8_2_ ## suf(blk1, blk1+stride, blk2, stride, 8);
- return sum_ ## suf();
- }
- static int sad8_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
- {
- assert(h==8);
- asm volatile("pxor %%mm7, %%mm7 nt"
- "pxor %%mm6, %%mm6 nt"
- "movq %0, %%mm5 nt"
- :: "m"(round_tab[2])
- );
- sad8_4_ ## suf(blk1, blk2, stride, 8);
- return sum_ ## suf();
- }
- static int sad16_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
- {
- asm volatile("pxor %%mm7, %%mm7 nt"
- "pxor %%mm6, %%mm6 nt":);
- sad8_1_ ## suf(blk1 , blk2 , stride, h);
- sad8_1_ ## suf(blk1+8, blk2+8, stride, h);
- return sum_ ## suf();
- }
- static int sad16_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
- {
- asm volatile("pxor %%mm7, %%mm7 nt"
- "pxor %%mm6, %%mm6 nt"
- "movq %0, %%mm5 nt"
- :: "m"(round_tab[1])
- );
- sad8_2_ ## suf(blk1 , blk1+1, blk2 , stride, h);
- sad8_2_ ## suf(blk1+8, blk1+9, blk2+8, stride, h);
- return sum_ ## suf();
- }
- static int sad16_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
- {
- asm volatile("pxor %%mm7, %%mm7 nt"
- "pxor %%mm6, %%mm6 nt"
- "movq %0, %%mm5 nt"
- :: "m"(round_tab[1])
- );
- sad8_2_ ## suf(blk1 , blk1+stride, blk2 , stride, h);
- sad8_2_ ## suf(blk1+8, blk1+stride+8,blk2+8, stride, h);
- return sum_ ## suf();
- }
- static int sad16_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
- {
- asm volatile("pxor %%mm7, %%mm7 nt"
- "pxor %%mm6, %%mm6 nt"
- "movq %0, %%mm5 nt"
- :: "m"(round_tab[2])
- );
- sad8_4_ ## suf(blk1 , blk2 , stride, h);
- sad8_4_ ## suf(blk1+8, blk2+8, stride, h);
- return sum_ ## suf();
- }
- PIX_SAD(mmx)
- PIX_SAD(mmx2)
- void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx)
- {
- if (mm_flags & MM_MMX) {
- c->pix_abs[0][0] = sad16_mmx;
- c->pix_abs[0][1] = sad16_x2_mmx;
- c->pix_abs[0][2] = sad16_y2_mmx;
- c->pix_abs[0][3] = sad16_xy2_mmx;
- c->pix_abs[1][0] = sad8_mmx;
- c->pix_abs[1][1] = sad8_x2_mmx;
- c->pix_abs[1][2] = sad8_y2_mmx;
- c->pix_abs[1][3] = sad8_xy2_mmx;
- c->sad[0]= sad16_mmx;
- c->sad[1]= sad8_mmx;
- }
- if (mm_flags & MM_MMXEXT) {
- c->pix_abs[0][0] = sad16_mmx2;
- c->pix_abs[1][0] = sad8_mmx2;
- c->sad[0]= sad16_mmx2;
- c->sad[1]= sad8_mmx2;
- 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;
- }
- }
- }