📄 sad.asm
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;/*****************************************************************************
; *
; * T264 AVC CODEC
; *
; * Copyright(C) 2004-2005 llcc <lcgate1@yahoo.com.cn>
; * 2004-2005 visionany <visionany@yahoo.com.cn>
; *
; * 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 02111-1307 USA
; *
; ****************************************************************************/
bits 32
; ideal from xvid
; modify by Thomascatlee@163.com
; for GCC
%macro cglobal 1
%ifdef NOPREFIX
global %1
%else
global _%1
%define %1 _%1
%endif
%endmacro
; from xvid
%macro new_sad16b 0
movdqu xmm0, [edx]
movdqu xmm1, [edx+ebx]
lea edx,[edx+2*ebx]
movdqa xmm2, [eax]
movdqa xmm3, [eax+ecx]
lea eax,[eax+2*ecx]
psadbw xmm0, xmm2
paddusw xmm6,xmm0
psadbw xmm1, xmm3
paddusw xmm6,xmm1
%endmacro
%macro new_sad8b 0
movq mm0, [esi]
movq mm1, [edi]
psadbw mm0, mm1
add esi, ebx ; src + src_stride
add edi, edx ; dst + dst_stride
paddusw mm2, mm0
%endmacro
%macro new_sad4b 0
movq mm0, [esi]
movq mm1, [edi]
; we only need low 4 bytes
pand mm0, mm3
pand mm1, mm3
psadbw mm0, mm1
add esi, ebx ; src + src_stride
add edi, edx ; dst + dst_stride
paddusw mm2,mm0
%endmacro
section .rodata data align=16
align 16
mmx_mask01 db 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0
section .text
;======================================================
;
; uint32_t
; T264_sad_u_16x16_sse2(uint8_t* src, int32_t src_stride, uint8_t* data, int32_t dst_stride);
;
;======================================================
align 16
cglobal T264_sad_u_16x16_sse2
T264_sad_u_16x16_sse2
push ebx
mov eax, [esp + 4 + 4] ; src
mov ecx, [esp + 8 + 4] ; src_stride
mov edx, [esp + 12 + 4] ; data
mov ebx, [esp + 16 + 4] ; dst_stride
pxor xmm6, xmm6
new_sad16b
new_sad16b
new_sad16b
new_sad16b
new_sad16b
new_sad16b
new_sad16b
new_sad16b
pshufd xmm5, xmm6, 00000010b
paddusw xmm6, xmm5
pextrw eax, xmm6, 0
pop ebx
ret
;======================================================
;
; uint32_t
; T264_sad_u_16x8_sse2(uint8_t* src, int32_t src_stride, uint8_t* data, int32_t dst_stride);
;
;======================================================
align 16
cglobal T264_sad_u_16x8_sse2
T264_sad_u_16x8_sse2
push ebx
mov eax, [esp + 4 + 4] ; src
mov ecx, [esp + 8 + 4] ; src_stride
mov edx, [esp + 12 + 4] ; data
mov ebx, [esp + 16 + 4] ; dst_stride
pxor xmm6, xmm6
new_sad16b
new_sad16b
new_sad16b
new_sad16b
pshufd xmm5, xmm6, 00000010b
paddusw xmm6, xmm5
pextrw eax, xmm6, 0
pop ebx
ret
;======================================================
;
; uint32_t
; T264_sad_u_8x16_sse(uint8_t* src, int32_t src_stride, uint8_t* data, int32_t dst_stride);
;
;======================================================
align 16
cglobal T264_sad_u_8x16_sse
T264_sad_u_8x16_sse
push ebx
push esi
push edi
mov esi, [esp + 4 + 12] ; src
mov ebx, [esp + 8 + 12] ; src_stride
mov edi, [esp + 12+ 12] ; data
mov edx, [esp + 16+ 12] ; dst_stride
pxor mm2, mm2;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
pextrw eax, mm2, 0
pop edi
pop esi
pop ebx
ret
;======================================================
;
; uint32_t
; T264_sad_u_8x8_sse(uint8_t* src, int32_t src_stride, uint8_t* data, int32_t dst_stride);
;
;======================================================
align 16
cglobal T264_sad_u_8x8_sse
T264_sad_u_8x8_sse
push ebx
push esi
push edi
mov esi, [esp + 4 + 12] ; src
mov ebx, [esp + 8 + 12] ; src_stride
mov edi, [esp + 12+ 12] ; data
mov edx, [esp + 16+ 12] ; dst_stride
pxor mm2, mm2;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
pextrw eax, mm2, 0
pop edi
pop esi
pop ebx
ret
;======================================================
;
; uint32_t
; T264_sad_u_8x4_sse(uint8_t* src, int32_t src_stride, uint8_t* data, int32_t dst_stride);
;
;======================================================
align 16
cglobal T264_sad_u_8x4_sse
T264_sad_u_8x4_sse
push ebx
push esi
push edi
mov esi, [esp + 4 + 12] ; src
mov ebx, [esp + 8 + 12] ; src_stride
mov edi, [esp + 12+ 12] ; data
mov edx, [esp + 16+ 12] ; dst_stride
pxor mm2, mm2;
new_sad8b;
new_sad8b;
new_sad8b;
new_sad8b;
pextrw eax, mm2, 0
pop edi
pop esi
pop ebx
ret
;======================================================
;
; uint32_t
; T264_sad_u_4x8_sse(uint8_t* src, int32_t src_stride, uint8_t* data, int32_t dst_stride);
;
;======================================================
align 16
cglobal T264_sad_u_4x8_sse
T264_sad_u_4x8_sse
push ebx
push esi
push edi
mov esi, [esp + 4 + 12] ; src
mov ebx, [esp + 8 + 12] ; src_stride
mov edi, [esp + 12+ 12] ; data
mov edx, [esp + 16+ 12] ; dst_stride
movq mm3, [mmx_mask01]
pxor mm2, mm2
new_sad4b;
new_sad4b;
new_sad4b;
new_sad4b;
new_sad4b;
new_sad4b;
new_sad4b;
new_sad4b;
pextrw eax, mm2, 0
pop edi
pop esi
pop ebx
ret
;======================================================
;
; uint32_t
; T264_sad_u_4x4_sse(uint8_t* src, int32_t src_stride, uint8_t* data, int32_t dst_stride);
;
;======================================================
align 16
cglobal T264_sad_u_4x4_sse
T264_sad_u_4x4_sse
push ebx
push esi
push edi
mov esi, [esp + 4 + 12] ; src
mov ebx, [esp + 8 + 12] ; src_stride
mov edi, [esp + 12+ 12] ; data
mov edx, [esp + 16+ 12] ; dst_stride
movq mm3, [mmx_mask01]
pxor mm2, mm2
new_sad4b;
new_sad4b;
new_sad4b;
new_sad4b;
pextrw eax, mm2, 0
pop edi
pop esi
pop ebx
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