📄 pixel-a.asm
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;*****************************************************************************;* pixel.asm: h264 encoder library;*****************************************************************************;* Copyright (C) 2003 SHU264 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;=============================================================================%macro cglobal 1 %ifdef PREFIX global _%1 %define %1 _%1 %else global %1 %endif%endmacro%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%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%macro SSD_INC_8x16P 0 SSD_INC_1x16P SSD_INC_1x16P SSD_INC_1x16P SSD_INC_1x16P SSD_INC_1x16P SSD_INC_1x16P SSD_INC_1x16P SSD_INC_1x16P%endmacro%macro SSD_INC_4x8P 0 SSD_INC_1x8P SSD_INC_1x8P SSD_INC_1x8P SSD_INC_1x8P%endmacro%macro SSD_INC_4x4P 0 SSD_INC_1x4P SSD_INC_1x4P SSD_INC_1x4P SSD_INC_1x4P%endmacro%macro LOAD_DIFF_4P 4 ; MMP, MMT, [pix1], [pix2] movd %1, %3 movd %2, %4 punpcklbw %1, %2 punpcklbw %2, %2 psubw %1, %2%endmacro%macro LOAD_DIFF_INC_4x4 10 ; p1,p2,p3,p4, t, pix1, i_pix1, pix2, i_pix2, offset LOAD_DIFF_4P %1, %5, [%6+%10], [%8+%10] LOAD_DIFF_4P %2, %5, [%6+%7+%10], [%8+%9+%10] lea %6, [%6+2*%7] lea %8, [%8+2*%9] LOAD_DIFF_4P %3, %5, [%6+%10], [%8+%10] LOAD_DIFF_4P %4, %5, [%6+%7+%10], [%8+%9+%10] lea %6, [%6+2*%7] lea %8, [%8+2*%9]%endmacro%macro LOAD_DIFF_4x4 10 ; p1,p2,p3,p4, t, pix1, i_pix1, pix2, i_pix2, offset LOAD_DIFF_4P %1, %5, [%6+%10], [%8+%10] LOAD_DIFF_4P %3, %5, [%6+2*%7+%10], [%8+2*%9+%10] add %6, %7 add %8, %9 LOAD_DIFF_4P %2, %5, [%6+%10], [%8+%10] LOAD_DIFF_4P %4, %5, [%6+2*%7+%10], [%8+2*%9+%10]%endmacro%macro HADAMARD4_SUB_BADC 4 paddw %1, %2 paddw %3, %4 paddw %2, %2 paddw %4, %4 psubw %2, %1 psubw %4, %3%endmacro%macro HADAMARD4x4 4 HADAMARD4_SUB_BADC %1, %2, %3, %4 HADAMARD4_SUB_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, mmt pxor %2, %2 psubw %2, %1 pmaxsw %1, %2%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 mm4, mm5 MMX_ABS mm7, mm5 MMX_ABS %1, mm5 MMX_ABS mm6, mm5 paddw %1, mm4 paddw mm6, mm7 pavgw %1, mm6%endmacro;=============================================================================; Code;=============================================================================SECTION .textcglobal SHU264_pixel_sad_16x16_mmxextcglobal SHU264_pixel_sad_16x8_mmxextcglobal SHU264_pixel_sad_8x16_mmxextcglobal SHU264_pixel_sad_8x8_mmxextcglobal SHU264_pixel_sad_8x4_mmxextcglobal SHU264_pixel_sad_4x8_mmxextcglobal SHU264_pixel_sad_4x4_mmxextcglobal SHU264_pixel_ssd_16x16_mmxextcglobal SHU264_pixel_ssd_16x8_mmxextcglobal SHU264_pixel_ssd_8x16_mmxextcglobal SHU264_pixel_ssd_8x8_mmxextcglobal SHU264_pixel_ssd_8x4_mmxextcglobal SHU264_pixel_ssd_4x8_mmxextcglobal SHU264_pixel_ssd_4x4_mmxextcglobal SHU264_pixel_satd_4x4_mmxextcglobal SHU264_pixel_satd_4x8_mmxextcglobal SHU264_pixel_satd_8x4_mmxextcglobal SHU264_pixel_satd_8x8_mmxextcglobal SHU264_pixel_satd_16x8_mmxextcglobal SHU264_pixel_satd_8x16_mmxextcglobal SHU264_pixel_satd_16x16_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%endmacroALIGN 16;-----------------------------------------------------------------------------; int __cdecl SHU264_pixel_sad_16x16_mmxext (uint8_t *, int, uint8_t *, int );-----------------------------------------------------------------------------SHU264_pixel_sad_16x16_mmxext: SAD_START SAD_INC_2x16P SAD_INC_2x16P SAD_INC_2x16P SAD_INC_2x16P SAD_INC_2x16P SAD_INC_2x16P SAD_INC_2x16P SAD_INC_2x16P SAD_ENDALIGN 16;-----------------------------------------------------------------------------; int __cdecl SHU264_pixel_sad_16x8_mmxext (uint8_t *, int, uint8_t *, int );-----------------------------------------------------------------------------SHU264_pixel_sad_16x8_mmxext: SAD_START SAD_INC_2x16P SAD_INC_2x16P SAD_INC_2x16P SAD_INC_2x16P SAD_ENDALIGN 16;-----------------------------------------------------------------------------; int __cdecl SHU264_pixel_sad_8x16_mmxext (uint8_t *, int, uint8_t *, int );-----------------------------------------------------------------------------SHU264_pixel_sad_8x16_mmxext: SAD_START SAD_INC_2x8P SAD_INC_2x8P SAD_INC_2x8P SAD_INC_2x8P SAD_INC_2x8P SAD_INC_2x8P SAD_INC_2x8P SAD_INC_2x8P SAD_ENDALIGN 16;-----------------------------------------------------------------------------; int __cdecl SHU264_pixel_sad_8x8_mmxext (uint8_t *, int, uint8_t *, int )⌨️ 快捷键说明
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