📄 pixel-a.asm
字号:
;*****************************************************************************;* pixel.asm: h264 encoder library;*****************************************************************************;* Copyright (C) 2003 x264 project;* $Id: pixel.asm,v 1.1 2004/06/03 19:27:07 fenrir Exp $;*;* Authors: Laurent Aimar <fenrir@via.ecp.fr>;*;* This program is free software; you can redistribute it and/or modify;* it under the terms of the GNU General Public License as published by;* the Free Software Foundation; either version 2 of the License, or;* (at your option) any later version.;*;* This program 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 General Public License for more details.;*;* You should have received a copy of the GNU General Public License;* along with this program; if not, write to the Free Software;* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.;*****************************************************************************BITS 32;=============================================================================; Macros and other preprocessor constants;=============================================================================%include "i386inc.asm"; sad%macro SAD_INC_2x16P 0 movq mm1, [eax] movq mm2, [eax+8] movq mm3, [eax+ebx] movq mm4, [eax+ebx+8] psadbw mm1, [ecx] psadbw mm2, [ecx+8] psadbw mm3, [ecx+edx] psadbw mm4, [ecx+edx+8] lea eax, [eax+2*ebx] paddw mm1, mm2 paddw mm3, mm4 lea ecx, [ecx+2*edx] paddw mm0, mm1 paddw mm0, mm3%endmacro%macro SAD_INC_2x8P 0 movq mm1, [eax] movq mm2, [eax+ebx] psadbw mm1, [ecx] psadbw mm2, [ecx+edx] lea eax, [eax+2*ebx] paddw mm0, mm1 paddw mm0, mm2 lea ecx, [ecx+2*edx]%endmacro%macro SAD_INC_2x4P 0 movd mm1, [eax] movd mm2, [ecx] movd mm3, [eax+ebx] movd mm4, [ecx+edx] psadbw mm1, mm2 psadbw mm3, mm4 paddw mm0, mm1 paddw mm0, mm3 lea eax, [eax+2*ebx] lea ecx, [ecx+2*edx]%endmacro; sad x3 / x4%macro SAD_X3_START_1x8P 1 push edi push esi mov edi, [esp+12] mov eax, [esp+16] mov ecx, [esp+20] mov edx, [esp+24] mov esi, [esp+28] mov%1 mm3, [edi] mov%1 mm0, [eax] mov%1 mm1, [ecx] mov%1 mm2, [edx] psadbw mm0, mm3 psadbw mm1, mm3 psadbw mm2, mm3%endmacro%macro SAD_X3_1x8P 3 mov%1 mm3, [edi+%2] mov%1 mm4, [eax+%3] mov%1 mm5, [ecx+%3] mov%1 mm6, [edx+%3] psadbw mm4, mm3 psadbw mm5, mm3 psadbw mm6, mm3 paddw mm0, mm4 paddw mm1, mm5 paddw mm2, mm6%endmacro%macro SAD_X3_2x16P 1%if %1 SAD_X3_START_1x8P q%else SAD_X3_1x8P q, 0, 0%endif SAD_X3_1x8P q, 8, 8 SAD_X3_1x8P q, FENC_STRIDE, esi SAD_X3_1x8P q, FENC_STRIDE+8, esi+8 add edi, 2*FENC_STRIDE lea eax, [eax+2*esi] lea ecx, [ecx+2*esi] lea edx, [edx+2*esi]%endmacro%macro SAD_X3_2x8P 1%if %1 SAD_X3_START_1x8P q%else SAD_X3_1x8P q, 0, 0%endif SAD_X3_1x8P q, FENC_STRIDE, esi add edi, 2*FENC_STRIDE lea eax, [eax+2*esi] lea ecx, [ecx+2*esi] lea edx, [edx+2*esi]%endmacro%macro SAD_X3_2x4P 1%if %1 SAD_X3_START_1x8P d%else SAD_X3_1x8P d, 0, 0%endif SAD_X3_1x8P d, FENC_STRIDE, esi add edi, 2*FENC_STRIDE lea eax, [eax+2*esi] lea ecx, [ecx+2*esi] lea edx, [edx+2*esi]%endmacro%macro SAD_X4_START_1x8P 1 push edi push esi push ebx mov edi, [esp+16] mov eax, [esp+20] mov ebx, [esp+24] mov ecx, [esp+28] mov edx, [esp+32] mov esi, [esp+36] mov%1 mm7, [edi] mov%1 mm0, [eax] mov%1 mm1, [ebx] mov%1 mm2, [ecx] mov%1 mm3, [edx] psadbw mm0, mm7 psadbw mm1, mm7 psadbw mm2, mm7 psadbw mm3, mm7%endmacro%macro SAD_X4_1x8P 2 movq mm7, [edi+%1] movq mm4, [eax+%2] movq mm5, [ebx+%2] movq mm6, [ecx+%2] psadbw mm4, mm7 psadbw mm5, mm7 psadbw mm6, mm7 psadbw mm7, [edx+%2] paddw mm0, mm4 paddw mm1, mm5 paddw mm2, mm6 paddw mm3, mm7%endmacro%macro SAD_X4_1x4P 2 movd mm7, [edi+%1] movd mm4, [eax+%2] movd mm5, [ebx+%2] movd mm6, [ecx+%2] psadbw mm4, mm7 psadbw mm5, mm7 paddw mm0, mm4 psadbw mm6, mm7 movd mm4, [edx+%2] paddw mm1, mm5 psadbw mm4, mm7 paddw mm2, mm6 paddw mm3, mm4%endmacro%macro SAD_X4_2x16P 1%if %1 SAD_X4_START_1x8P q%else SAD_X4_1x8P 0, 0%endif SAD_X4_1x8P 8, 8 SAD_X4_1x8P FENC_STRIDE, esi SAD_X4_1x8P FENC_STRIDE+8, esi+8 add edi, 2*FENC_STRIDE lea eax, [eax+2*esi] lea ebx, [ebx+2*esi] lea ecx, [ecx+2*esi] lea edx, [edx+2*esi]%endmacro%macro SAD_X4_2x8P 1%if %1 SAD_X4_START_1x8P q%else SAD_X4_1x8P 0, 0%endif SAD_X4_1x8P FENC_STRIDE, esi add edi, 2*FENC_STRIDE lea eax, [eax+2*esi] lea ebx, [ebx+2*esi] lea ecx, [ecx+2*esi] lea edx, [edx+2*esi]%endmacro%macro SAD_X4_2x4P 1%if %1 SAD_X4_START_1x8P d%else SAD_X4_1x4P 0, 0%endif SAD_X4_1x4P FENC_STRIDE, esi add edi, 2*FENC_STRIDE lea eax, [eax+2*esi] lea ebx, [ebx+2*esi] lea ecx, [ecx+2*esi] lea edx, [edx+2*esi]%endmacro%macro SAD_X3_END 0 mov eax, [esp+32] movd [eax+0], mm0 movd [eax+4], mm1 movd [eax+8], mm2 pop esi pop edi ret%endmacro%macro SAD_X4_END 0 mov eax, [esp+40] movd [eax+0], mm0 movd [eax+4], mm1 movd [eax+8], mm2 movd [eax+12], mm3 pop ebx pop esi pop edi ret%endmacro; ssd%macro SSD_INC_1x16P 0 movq mm1, [eax] movq mm2, [ecx] movq mm3, [eax+8] movq mm4, [ecx+8] movq mm5, mm2 movq mm6, mm4 psubusb mm2, mm1 psubusb mm4, mm3 psubusb mm1, mm5 psubusb mm3, mm6 por mm1, mm2 por mm3, mm4 movq mm2, mm1 movq mm4, mm3 punpcklbw mm1, mm7 punpcklbw mm3, mm7 punpckhbw mm2, mm7 punpckhbw mm4, mm7 pmaddwd mm1, mm1 pmaddwd mm2, mm2 pmaddwd mm3, mm3 pmaddwd mm4, mm4 add eax, ebx add ecx, edx paddd mm0, mm1 paddd mm0, mm2 paddd mm0, mm3 paddd mm0, mm4%endmacro%macro SSD_INC_1x8P 0 movq mm1, [eax] movq mm2, [ecx] movq mm5, mm2 psubusb mm2, mm1 psubusb mm1, mm5 por mm1, mm2 ; mm1 = 8bit abs diff movq mm2, mm1 punpcklbw mm1, mm7 punpckhbw mm2, mm7 ; (mm1,mm2) = 16bit abs diff pmaddwd mm1, mm1 pmaddwd mm2, mm2 add eax, ebx add ecx, edx paddd mm0, mm1 paddd mm0, mm2%endmacro%macro SSD_INC_1x4P 0 movd mm1, [eax] movd mm2, [ecx] movq mm5, mm2 psubusb mm2, mm1 psubusb mm1, mm5 por mm1, mm2 punpcklbw mm1, mm7 pmaddwd mm1, mm1 add eax, ebx add ecx, edx paddd mm0, mm1%endmacro; satd%macro SUMSUB_BADC 4 paddw %1, %2 paddw %3, %4 paddw %2, %2 paddw %4, %4 psubw %2, %1 psubw %4, %3%endmacro%macro HADAMARD4x4 4 SUMSUB_BADC %1, %2, %3, %4 SUMSUB_BADC %1, %3, %2, %4%endmacro%macro SBUTTERFLYwd 3 movq %3, %1 punpcklwd %1, %2 punpckhwd %3, %2%endmacro%macro SBUTTERFLYdq 3 movq %3, %1 punpckldq %1, %2 punpckhdq %3, %2%endmacro%macro TRANSPOSE4x4 5 ; abcd-t -> adtc SBUTTERFLYwd %1, %2, %5 SBUTTERFLYwd %3, %4, %2 SBUTTERFLYdq %1, %3, %4 SBUTTERFLYdq %5, %2, %3%endmacro%macro MMX_ABS 2 ; mma, tmp pxor %2, %2 psubw %2, %1 pmaxsw %1, %2%endmacro%macro MMX_ABS_TWO 4 ; mma, mmb, tmp0, tmp1 pxor %3, %3 pxor %4, %4 psubw %3, %1 psubw %4, %2 pmaxsw %1, %3 pmaxsw %2, %4%endmacro%macro HADAMARD4x4_SUM 1 ; %1 - dest (row sum of one block) HADAMARD4x4 mm4, mm5, mm6, mm7 TRANSPOSE4x4 mm4, mm5, mm6, mm7, %1 HADAMARD4x4 mm4, mm7, %1, mm6 MMX_ABS_TWO mm4, mm7, mm3, mm5 MMX_ABS_TWO %1, mm6, mm3, mm5 paddw %1, mm4 paddw mm6, mm7 pavgw %1, mm6%endmacro%macro LOAD_DIFF_4P 4 ; mmp, mmt, dx, dy movd %1, [eax+ebx*%4+%3] movd %2, [ecx+edx*%4+%3] punpcklbw %1, %2 punpcklbw %2, %2 psubw %1, %2%endmacro; in: %2 = horizontal offset; in: %3 = whether we need to increment pix1 and pix2; clobber: mm3..mm7; out: %1 = satd%macro LOAD_DIFF_HADAMARD_SUM 3%if %3 LOAD_DIFF_4P mm4, mm3, %2, 0 LOAD_DIFF_4P mm5, mm3, %2, 1 lea eax, [eax+2*ebx] lea ecx, [ecx+2*edx] LOAD_DIFF_4P mm6, mm3, %2, 0 LOAD_DIFF_4P mm7, mm3, %2, 1 lea eax, [eax+2*ebx] lea ecx, [ecx+2*edx]%else LOAD_DIFF_4P mm4, mm3, %2, 0 LOAD_DIFF_4P mm6, mm3, %2, 2 add eax, ebx add ecx, edx LOAD_DIFF_4P mm5, mm3, %2, 0 LOAD_DIFF_4P mm7, mm3, %2, 2%endif HADAMARD4x4_SUM %1%endmacro;=============================================================================; Code;=============================================================================SECTION .textcglobal x264_pixel_sad_16x16_mmxextcglobal x264_pixel_sad_16x8_mmxextcglobal x264_pixel_sad_8x16_mmxextcglobal x264_pixel_sad_8x8_mmxextcglobal x264_pixel_sad_8x4_mmxextcglobal x264_pixel_sad_4x8_mmxextcglobal x264_pixel_sad_4x4_mmxextcglobal x264_pixel_sad_x3_16x16_mmxextcglobal x264_pixel_sad_x3_16x8_mmxextcglobal x264_pixel_sad_x3_8x16_mmxextcglobal x264_pixel_sad_x3_8x8_mmxextcglobal x264_pixel_sad_x3_8x4_mmxextcglobal x264_pixel_sad_x3_4x8_mmxextcglobal x264_pixel_sad_x3_4x4_mmxextcglobal x264_pixel_sad_x4_16x16_mmxextcglobal x264_pixel_sad_x4_16x8_mmxextcglobal x264_pixel_sad_x4_8x16_mmxextcglobal x264_pixel_sad_x4_8x8_mmxextcglobal x264_pixel_sad_x4_8x4_mmxextcglobal x264_pixel_sad_x4_4x8_mmxextcglobal x264_pixel_sad_x4_4x4_mmxextcglobal x264_pixel_sad_pde_16x16_mmxextcglobal x264_pixel_sad_pde_16x8_mmxextcglobal x264_pixel_sad_pde_8x16_mmxextcglobal x264_pixel_ssd_16x16_mmxcglobal x264_pixel_ssd_16x8_mmxcglobal x264_pixel_ssd_8x16_mmxcglobal x264_pixel_ssd_8x8_mmxcglobal x264_pixel_ssd_8x4_mmxcglobal x264_pixel_ssd_4x8_mmxcglobal x264_pixel_ssd_4x4_mmxcglobal x264_pixel_satd_4x4_mmxextcglobal x264_pixel_satd_4x8_mmxextcglobal x264_pixel_satd_8x4_mmxextcglobal x264_pixel_satd_8x8_mmxextcglobal x264_pixel_satd_16x8_mmxextcglobal x264_pixel_satd_8x16_mmxextcglobal x264_pixel_satd_16x16_mmxextcglobal x264_pixel_sa8d_16x16_mmxextcglobal x264_pixel_sa8d_8x8_mmxextcglobal x264_intra_satd_x3_4x4_mmxextcglobal x264_intra_satd_x3_8x8c_mmxextcglobal x264_intra_satd_x3_16x16_mmxextcglobal x264_intra_sa8d_x3_8x8_core_mmxext%macro SAD_START 0 push ebx mov eax, [esp+ 8] ; pix1 mov ebx, [esp+12] ; stride1 mov ecx, [esp+16] ; pix2 mov edx, [esp+20] ; stride2 pxor mm0, mm0%endmacro%macro SAD_END 0 movd eax, mm0 pop ebx ret%endmacro;-----------------------------------------------------------------------------; int __cdecl x264_pixel_sad_16x16_mmxext (uint8_t *, int, uint8_t *, int );-----------------------------------------------------------------------------%macro SAD 2ALIGN 16x264_pixel_sad_%1x%2_mmxext: SAD_START%rep %2/2 SAD_INC_2x%1P%endrep SAD_END%endmacroSAD 16, 16SAD 16, 8⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -