/* * MMX optimized motion estimation * Copyright (c) 2001 Fabrice Bellard * Copyright (c) 2002-2004 Michael Niedermayer * * mostly by Michael Niedermayer * * This file is part of FFmpeg. * * FFmpeg 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 2.1 of the License, or (at your option) any later version. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "libavutil/x86_cpu.h" #include "libavcodec/dsputil.h" #include "dsputil_mmx.h" #if HAVE_INLINE_ASM DECLARE_ASM_CONST(8, uint64_t, round_tab)[3]={ 0x0000000000000000ULL, 0x0001000100010001ULL, 0x0002000200020002ULL, }; DECLARE_ASM_CONST(8, uint64_t, bone)= 0x0101010101010101LL; static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) { x86_reg len= -(stride*h); __asm__ volatile( ".p2align 4 \n\t" "1: \n\t" "movq (%1, %%"REG_a"), %%mm0 \n\t" "movq (%2, %%"REG_a"), %%mm2 \n\t" "movq (%2, %%"REG_a"), %%mm4 \n\t" "add %3, %%"REG_a" \n\t" "psubusb %%mm0, %%mm2 \n\t" "psubusb %%mm4, %%mm0 \n\t" "movq (%1, %%"REG_a"), %%mm1 \n\t" "movq (%2, %%"REG_a"), %%mm3 \n\t" "movq (%2, %%"REG_a"), %%mm5 \n\t" "psubusb %%mm1, %%mm3 \n\t" "psubusb %%mm5, %%mm1 \n\t" "por %%mm2, %%mm0 \n\t" "por %%mm1, %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm3, %%mm2 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpckhbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "punpckhbw %%mm7, %%mm2 \n\t" "paddw %%mm1, %%mm0 \n\t" "paddw %%mm3, %%mm2 \n\t" "paddw %%mm2, %%mm0 \n\t" "paddw %%mm0, %%mm6 \n\t" "add %3, %%"REG_a" \n\t" " js 1b \n\t" : "+a" (len) : "r" (blk1 - len), "r" (blk2 - len), "r" ((x86_reg)stride) ); } static inline void sad8_1_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) { __asm__ volatile( ".p2align 4 \n\t" "1: \n\t" "movq (%1), %%mm0 \n\t" "movq (%1, %3), %%mm1 \n\t" "psadbw (%2), %%mm0 \n\t" "psadbw (%2, %3), %%mm1 \n\t" "paddw %%mm0, %%mm6 \n\t" "paddw %%mm1, %%mm6 \n\t" "lea (%1,%3,2), %1 \n\t" "lea (%2,%3,2), %2 \n\t" "sub $2, %0 \n\t" " jg 1b \n\t" : "+r" (h), "+r" (blk1), "+r" (blk2) : "r" ((x86_reg)stride) ); } static int sad16_sse2(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h) { int ret; __asm__ volatile( "pxor %%xmm2, %%xmm2 \n\t" ".p2align 4 \n\t" "1: \n\t" "movdqu (%1), %%xmm0 \n\t" "movdqu (%1, %4), %%xmm1 \n\t" "psadbw (%2), %%xmm0 \n\t" "psadbw (%2, %4), %%xmm1 \n\t" "paddw %%xmm0, %%xmm2 \n\t" "paddw %%xmm1, %%xmm2 \n\t" "lea (%1,%4,2), %1 \n\t" "lea (%2,%4,2), %2 \n\t" "sub $2, %0 \n\t" " jg 1b \n\t" "movhlps %%xmm2, %%xmm0 \n\t" "paddw %%xmm0, %%xmm2 \n\t" "movd %%xmm2, %3 \n\t" : "+r" (h), "+r" (blk1), "+r" (blk2), "=r"(ret) : "r" ((x86_reg)stride) ); return ret; } static inline void sad8_x2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) { __asm__ volatile( ".p2align 4 \n\t" "1: \n\t" "movq (%1), %%mm0 \n\t" "movq (%1, %3), %%mm1 \n\t" "pavgb 1(%1), %%mm0 \n\t" "pavgb 1(%1, %3), %%mm1 \n\t" "psadbw (%2), %%mm0 \n\t" "psadbw (%2, %3), %%mm1 \n\t" "paddw %%mm0, %%mm6 \n\t" "paddw %%mm1, %%mm6 \n\t" "lea (%1,%3,2), %1 \n\t" "lea (%2,%3,2), %2 \n\t" "sub $2, %0 \n\t" " jg 1b \n\t" : "+r" (h), "+r" (blk1), "+r" (blk2) : "r" ((x86_reg)stride) ); } static inline void sad8_y2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) { __asm__ volatile( "movq (%1), %%mm0 \n\t" "add %3, %1 \n\t" ".p2align 4 \n\t" "1: \n\t" "movq (%1), %%mm1 \n\t" "movq (%1, %3), %%mm2 \n\t" "pavgb %%mm1, %%mm0 \n\t" "pavgb %%mm2, %%mm1 \n\t" "psadbw (%2), %%mm0 \n\t" "psadbw (%2, %3), %%mm1 \n\t" "paddw %%mm0, %%mm6 \n\t" "paddw %%mm1, %%mm6 \n\t" "movq %%mm2, %%mm0 \n\t" "lea (%1,%3,2), %1 \n\t" "lea (%2,%3,2), %2 \n\t" "sub $2, %0 \n\t" " jg 1b \n\t" : "+r" (h), "+r" (blk1), "+r" (blk2) : "r" ((x86_reg)stride) ); } static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) { __asm__ volatile( "movq "MANGLE(bone)", %%mm5 \n\t" "movq (%1), %%mm0 \n\t" "pavgb 1(%1), %%mm0 \n\t" "add %3, %1 \n\t" ".p2align 4 \n\t" "1: \n\t" "movq (%1), %%mm1 \n\t" "movq (%1,%3), %%mm2 \n\t" "pavgb 1(%1), %%mm1 \n\t" "pavgb 1(%1,%3), %%mm2 \n\t" "psubusb %%mm5, %%mm1 \n\t" "pavgb %%mm1, %%mm0 \n\t" "pavgb %%mm2, %%mm1 \n\t" "psadbw (%2), %%mm0 \n\t" "psadbw (%2,%3), %%mm1 \n\t" "paddw %%mm0, %%mm6 \n\t" "paddw %%mm1, %%mm6 \n\t" "movq %%mm2, %%mm0 \n\t" "lea (%1,%3,2), %1 \n\t" "lea (%2,%3,2), %2 \n\t" "sub $2, %0 \n\t" " jg 1b \n\t" : "+r" (h), "+r" (blk1), "+r" (blk2) : "r" ((x86_reg)stride) ); } static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h) { x86_reg len= -(stride*h); __asm__ volatile( ".p2align 4 \n\t" "1: \n\t" "movq (%1, %%"REG_a"), %%mm0 \n\t" "movq (%2, %%"REG_a"), %%mm1 \n\t" "movq (%1, %%"REG_a"), %%mm2 \n\t" "movq (%2, %%"REG_a"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpckhbw %%mm7, %%mm2 \n\t" "punpckhbw %%mm7, %%mm3 \n\t" "paddw %%mm0, %%mm1 \n\t" "paddw %%mm2, %%mm3 \n\t" "movq (%3, %%"REG_a"), %%mm4 \n\t" "movq (%3, %%"REG_a"), %%mm2 \n\t" "paddw %%mm5, %%mm1 \n\t" "paddw %%mm5, %%mm3 \n\t" "psrlw $1, %%mm1 \n\t" "psrlw $1, %%mm3 \n\t" "packuswb %%mm3, %%mm1 \n\t" "psubusb %%mm1, %%mm4 \n\t" "psubusb %%mm2, %%mm1 \n\t" "por %%mm4, %%mm1 \n\t" "movq %%mm1, %%mm0 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpckhbw %%mm7, %%mm1 \n\t" "paddw %%mm1, %%mm0 \n\t" "paddw %%mm0, %%mm6 \n\t" "add %4, %%"REG_a" \n\t" " js 1b \n\t" : "+a" (len) : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((x86_reg)stride) ); } static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) { x86_reg len= -(stride*h); __asm__ volatile( "movq (%1, %%"REG_a"), %%mm0 \n\t" "movq 1(%1, %%"REG_a"), %%mm2 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm2, %%mm3 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpckhbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpckhbw %%mm7, %%mm3 \n\t" "paddw %%mm2, %%mm0 \n\t" "paddw %%mm3, %%mm1 \n\t" ".p2align 4 \n\t" "1: \n\t" "movq (%2, %%"REG_a"), %%mm2 \n\t" "movq 1(%2, %%"REG_a"), %%mm4 \n\t" "movq %%mm2, %%mm3 \n\t" "movq %%mm4, %%mm5 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpckhbw %%mm7, %%mm3 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" "punpckhbw %%mm7, %%mm5 \n\t" "paddw %%mm4, %%mm2 \n\t" "paddw %%mm5, %%mm3 \n\t" "movq 16+"MANGLE(round_tab)", %%mm5 \n\t" "paddw %%mm2, %%mm0 \n\t" "paddw %%mm3, %%mm1 \n\t" "paddw %%mm5, %%mm0 \n\t" "paddw %%mm5, %%mm1 \n\t" "movq (%3, %%"REG_a"), %%mm4 \n\t" "movq (%3, %%"REG_a"), %%mm5 \n\t" "psrlw $2, %%mm0 \n\t" "psrlw $2, %%mm1 \n\t" "packuswb %%mm1, %%mm0 \n\t" "psubusb %%mm0, %%mm4 \n\t" "psubusb %%mm5, %%mm0 \n\t" "por %%mm4, %%mm0 \n\t" "movq %%mm0, %%mm4 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpckhbw %%mm7, %%mm4 \n\t" "paddw %%mm0, %%mm6 \n\t" "paddw %%mm4, %%mm6 \n\t" "movq %%mm2, %%mm0 \n\t" "movq %%mm3, %%mm1 \n\t" "add %4, %%"REG_a" \n\t" " js 1b \n\t" : "+a" (len) : "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" ((x86_reg)stride) ); } static inline int sum_mmx(void) { int ret; __asm__ volatile( "movq %%mm6, %%mm0 \n\t" "psrlq $32, %%mm6 \n\t" "paddw %%mm0, %%mm6 \n\t" "movq %%mm6, %%mm0 \n\t" "psrlq $16, %%mm6 \n\t" "paddw %%mm0, %%mm6 \n\t" "movd %%mm6, %0 \n\t" : "=r" (ret) ); return ret&0xFFFF; } static inline int sum_mmx2(void) { int ret; __asm__ volatile( "movd %%mm6, %0 \n\t" : "=r" (ret) ); return ret; } static inline void sad8_x2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) { sad8_2_mmx(blk1, blk1+1, blk2, stride, h); } static inline void sad8_y2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) { sad8_2_mmx(blk1, blk1+stride, blk2, stride, h); } #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 \n\t"\ "pxor %%mm6, %%mm6 \n\t":);\ \ 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 \n\t"\ "pxor %%mm6, %%mm6 \n\t"\ "movq %0, %%mm5 \n\t"\ :: "m"(round_tab[1]) \ );\ \ sad8_x2a_ ## suf(blk1, 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 \n\t"\ "pxor %%mm6, %%mm6 \n\t"\ "movq %0, %%mm5 \n\t"\ :: "m"(round_tab[1]) \ );\ \ sad8_y2a_ ## suf(blk1, 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 \n\t"\ "pxor %%mm6, %%mm6 \n\t"\ ::);\ \ 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 \n\t"\ "pxor %%mm6, %%mm6 \n\t":);\ \ 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 \n\t"\ "pxor %%mm6, %%mm6 \n\t"\ "movq %0, %%mm5 \n\t"\ :: "m"(round_tab[1]) \ );\ \ sad8_x2a_ ## suf(blk1 , blk2 , stride, h);\ sad8_x2a_ ## suf(blk1+8, 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 \n\t"\ "pxor %%mm6, %%mm6 \n\t"\ "movq %0, %%mm5 \n\t"\ :: "m"(round_tab[1]) \ );\ \ sad8_y2a_ ## suf(blk1 , blk2 , stride, h);\ sad8_y2a_ ## suf(blk1+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 \n\t"\ "pxor %%mm6, %%mm6 \n\t"\ ::);\ \ 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) #endif /* HAVE_INLINE_ASM */ void ff_dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx) { #if HAVE_INLINE_ASM int mm_flags = av_get_cpu_flags(); if (mm_flags & AV_CPU_FLAG_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 & AV_CPU_FLAG_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; } } if ((mm_flags & AV_CPU_FLAG_SSE2) && !(mm_flags & AV_CPU_FLAG_3DNOW) && avctx->codec_id != CODEC_ID_SNOW) { c->sad[0]= sad16_sse2; } #endif /* HAVE_INLINE_ASM */ }