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体验新版 GitCode,发现更多精彩内容 >>
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98fe09df
编写于
8月 05, 2010
作者:
J
Jason Garrett-Glaser
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差异文件
Add file missing in r24702
Originally committed as revision 24703 to
svn://svn.ffmpeg.org/ffmpeg/trunk
上级
c12d6955
变更
1
隐藏空白更改
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1 changed file
with
170 addition
and
0 deletion
+170
-0
libavcodec/x86/h264_weight_sse2.asm
libavcodec/x86/h264_weight_sse2.asm
+170
-0
未找到文件。
libavcodec/x86/h264_weight_sse2.asm
0 → 100644
浏览文件 @
98fe09df
;*****************************************************************************
;* SSE2-optimized weighted prediction code
;*****************************************************************************
;* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt
;* Copyright (C) 2010 Eli Friedman <eli.friedman@gmail.com>
;*
;* 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
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
SECTION
.text
INIT_XMM
;-----------------------------------------------------------------------------
; biweight pred:
;
; void h264_biweight_16x16_sse2(uint8_t *dst, uint8_t *src, int stride,
; int log2_denom, int weightd, int weights,
; int offset);
;-----------------------------------------------------------------------------
%macro BIWEIGHT_SSE2_SETUP 0
add
r6
,
1
or
r6
,
1
add
r3
,
1
movd
m3
,
r4
movd
m4
,
r5
movd
m5
,
r6
movd
m6
,
r3
pslld
m5
,
m6
psrld
m5
,
1
pshuflw
m3
,
m3
,
0
pshuflw
m4
,
m4
,
0
pshuflw
m5
,
m5
,
0
punpcklqdq
m3
,
m3
punpcklqdq
m4
,
m4
punpcklqdq
m5
,
m5
pxor
m7
,
m7
%endmacro
%macro BIWEIGHT_SSE2_STEPA 3
movh
m
%
1
,
[
r0
+%
3
]
movh
m
%
2
,
[
r1
+%
3
]
punpcklbw
m
%
1
,
m7
punpcklbw
m
%
2
,
m7
pmullw
m
%
1
,
m3
pmullw
m
%
2
,
m4
paddsw
m
%
1
,
m
%
2
%endmacro
%macro BIWEIGHT_SSE2_STEPB 0
paddsw
m0
,
m5
paddsw
m1
,
m5
psraw
m0
,
m6
psraw
m1
,
m6
packuswb
m0
,
m1
%endmacro
cglobal
h264_biweight_16x16_sse2
,
7
,
7
,
8
BIWEIGHT_SSE2_SETUP
mov
r3
,
16
.nextrow
BIWEIGHT_SSE2_STEPA
0
,
1
,
0
BIWEIGHT_SSE2_STEPA
1
,
2
,
8
BIWEIGHT_SSE2_STEPB
mova
[
r0
],
m0
add
r0
,
r2
add
r1
,
r2
dec
r3
jnz
.nextrow
REP_RET
cglobal
h264_biweight_8x8_sse2
,
7
,
7
,
8
BIWEIGHT_SSE2_SETUP
mov
r3
,
4
lea
r4
,
[
r2
*
2
]
.nextrow
BIWEIGHT_SSE2_STEPA
0
,
1
,
0
BIWEIGHT_SSE2_STEPA
1
,
2
,
r2
BIWEIGHT_SSE2_STEPB
movh
[
r0
],
m0
movhps
[
r0
+
r2
],
m0
add
r0
,
r4
add
r1
,
r4
dec
r3
jnz
.nextrow
REP_RET
%macro BIWEIGHT_SSSE3_SETUP 0
add
r6
,
1
or
r6
,
1
add
r3
,
1
movd
m4
,
r4
movd
m0
,
r5
movd
m5
,
r6
movd
m6
,
r3
pslld
m5
,
m6
psrld
m5
,
1
punpcklbw
m4
,
m0
pshuflw
m4
,
m4
,
0
pshuflw
m5
,
m5
,
0
punpcklqdq
m4
,
m4
punpcklqdq
m5
,
m5
%endmacro
%macro BIWEIGHT_SSSE3_OP 0
pmaddubsw
m0
,
m4
pmaddubsw
m2
,
m4
paddsw
m0
,
m5
paddsw
m2
,
m5
psraw
m0
,
m6
psraw
m2
,
m6
packuswb
m0
,
m2
%endmacro
cglobal
h264_biweight_16x16_ssse3
,
7
,
7
,
8
BIWEIGHT_SSSE3_SETUP
mov
r3
,
16
.nextrow
movh
m0
,
[
r0
]
movh
m2
,
[
r0
+
8
]
movh
m3
,
[
r1
+
8
]
punpcklbw
m0
,
[
r1
]
punpcklbw
m2
,
m3
BIWEIGHT_SSSE3_OP
mova
[
r0
],
m0
add
r0
,
r2
add
r1
,
r2
dec
r3
jnz
.nextrow
REP_RET
cglobal
h264_biweight_8x8_ssse3
,
7
,
7
,
8
BIWEIGHT_SSSE3_SETUP
mov
r3
,
4
lea
r4
,
[
r2
*
2
]
.nextrow
movh
m0
,
[
r0
]
movh
m1
,
[
r1
]
movh
m2
,
[
r0
+
r2
]
movh
m3
,
[
r1
+
r2
]
punpcklbw
m0
,
m1
punpcklbw
m2
,
m3
BIWEIGHT_SSSE3_OP
movh
[
r0
],
m0
movhps
[
r0
+
r2
],
m0
add
r0
,
r4
add
r1
,
r4
dec
r3
jnz
.nextrow
REP_RET
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