0,0 → 1,474 |
/* |
* MMX optimized motion estimation |
* Copyright (c) 2001 Fabrice Bellard |
* Copyright (c) 2002-2004 Michael Niedermayer |
* |
* mostly by Michael Niedermayer <michaelni@gmx.at> |
* |
* 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/attributes.h" |
#include "libavutil/avassert.h" |
#include "libavutil/mem.h" |
#include "libavutil/x86/asm.h" |
#include "libavutil/x86/cpu.h" |
#include "dsputil_x86.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= -(x86_reg)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_mmxext(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_mmxext(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_mmxext(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_mmxext(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= -(x86_reg)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= -(x86_reg)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_mmxext(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)\ |
{\ |
av_assert2(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)\ |
{\ |
av_assert2(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)\ |
{\ |
av_assert2(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)\ |
{\ |
av_assert2(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(mmxext) |
|
#endif /* HAVE_INLINE_ASM */ |
|
av_cold void ff_dsputil_init_pix_mmx(DSPContext *c, AVCodecContext *avctx) |
{ |
#if HAVE_INLINE_ASM |
int cpu_flags = av_get_cpu_flags(); |
|
if (INLINE_MMX(cpu_flags)) { |
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 (INLINE_MMXEXT(cpu_flags)) { |
c->pix_abs[0][0] = sad16_mmxext; |
c->pix_abs[1][0] = sad8_mmxext; |
|
c->sad[0] = sad16_mmxext; |
c->sad[1] = sad8_mmxext; |
|
if(!(avctx->flags & CODEC_FLAG_BITEXACT)){ |
c->pix_abs[0][1] = sad16_x2_mmxext; |
c->pix_abs[0][2] = sad16_y2_mmxext; |
c->pix_abs[0][3] = sad16_xy2_mmxext; |
c->pix_abs[1][1] = sad8_x2_mmxext; |
c->pix_abs[1][2] = sad8_y2_mmxext; |
c->pix_abs[1][3] = sad8_xy2_mmxext; |
} |
} |
if (INLINE_SSE2(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_3DNOW) && avctx->codec_id != AV_CODEC_ID_SNOW) { |
c->sad[0]= sad16_sse2; |
} |
#endif /* HAVE_INLINE_ASM */ |
} |