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体验新版 GitCode,发现更多精彩内容 >>
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99d33fa3
编写于
3月 29, 2003
作者:
M
Michael Niedermayer
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
faster C linear blend & interpolate deinterlacers
Originally committed as revision 1716 to
svn://svn.ffmpeg.org/ffmpeg/trunk
上级
134eb1e5
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
51 addition
and
20 deletion
+51
-20
libavcodec/libpostproc/postprocess_template.c
libavcodec/libpostproc/postprocess_template.c
+51
-20
未找到文件。
libavcodec/libpostproc/postprocess_template.c
浏览文件 @
99d33fa3
...
...
@@ -1562,15 +1562,20 @@ static inline void RENAME(deInterlaceInterpolateLinear)(uint8_t src[], int strid
:
"%eax"
,
"%ecx"
);
#else
int
x
;
int
a
,
b
,
x
;
src
+=
4
*
stride
;
for
(
x
=
0
;
x
<
8
;
x
++
)
{
src
[
stride
]
=
(
src
[
0
]
+
src
[
stride
*
2
])
>>
1
;
src
[
stride
*
3
]
=
(
src
[
stride
*
2
]
+
src
[
stride
*
4
])
>>
1
;
src
[
stride
*
5
]
=
(
src
[
stride
*
4
]
+
src
[
stride
*
6
])
>>
1
;
src
[
stride
*
7
]
=
(
src
[
stride
*
6
]
+
src
[
stride
*
8
])
>>
1
;
src
++
;
for
(
x
=
0
;
x
<
2
;
x
++
){
a
=
*
(
uint32_t
*
)
&
src
[
stride
*
0
];
b
=
*
(
uint32_t
*
)
&
src
[
stride
*
2
];
*
(
uint32_t
*
)
&
src
[
stride
*
1
]
=
(
a
|
b
)
-
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
a
=
*
(
uint32_t
*
)
&
src
[
stride
*
4
];
*
(
uint32_t
*
)
&
src
[
stride
*
3
]
=
(
a
|
b
)
-
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
b
=
*
(
uint32_t
*
)
&
src
[
stride
*
6
];
*
(
uint32_t
*
)
&
src
[
stride
*
5
]
=
(
a
|
b
)
-
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
a
=
*
(
uint32_t
*
)
&
src
[
stride
*
8
];
*
(
uint32_t
*
)
&
src
[
stride
*
7
]
=
(
a
|
b
)
-
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
src
+=
4
;
}
#endif
}
...
...
@@ -1875,19 +1880,45 @@ static inline void RENAME(deInterlaceBlendLinear)(uint8_t src[], int stride)
:
"%eax"
,
"%edx"
);
#else
int
x
;
int
a
,
b
,
c
,
x
;
src
+=
4
*
stride
;
for
(
x
=
0
;
x
<
8
;
x
++
)
{
src
[
0
]
=
(
src
[
0
]
+
2
*
src
[
stride
]
+
src
[
stride
*
2
])
>>
2
;
src
[
stride
]
=
(
src
[
stride
]
+
2
*
src
[
stride
*
2
]
+
src
[
stride
*
3
])
>>
2
;
src
[
stride
*
2
]
=
(
src
[
stride
*
2
]
+
2
*
src
[
stride
*
3
]
+
src
[
stride
*
4
])
>>
2
;
src
[
stride
*
3
]
=
(
src
[
stride
*
3
]
+
2
*
src
[
stride
*
4
]
+
src
[
stride
*
5
])
>>
2
;
src
[
stride
*
4
]
=
(
src
[
stride
*
4
]
+
2
*
src
[
stride
*
5
]
+
src
[
stride
*
6
])
>>
2
;
src
[
stride
*
5
]
=
(
src
[
stride
*
5
]
+
2
*
src
[
stride
*
6
]
+
src
[
stride
*
7
])
>>
2
;
src
[
stride
*
6
]
=
(
src
[
stride
*
6
]
+
2
*
src
[
stride
*
7
]
+
src
[
stride
*
8
])
>>
2
;
src
[
stride
*
7
]
=
(
src
[
stride
*
7
]
+
2
*
src
[
stride
*
8
]
+
src
[
stride
*
9
])
>>
2
;
src
++
;
for
(
x
=
0
;
x
<
2
;
x
++
){
a
=
*
(
uint32_t
*
)
&
src
[
stride
*
0
];
b
=
*
(
uint32_t
*
)
&
src
[
stride
*
1
];
c
=
*
(
uint32_t
*
)
&
src
[
stride
*
2
];
a
=
(
a
&
c
)
+
(((
a
^
c
)
&
0xFEFEFEFEUL
)
>>
1
);
*
(
uint32_t
*
)
&
src
[
stride
*
0
]
=
(
a
|
b
)
-
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
a
=
*
(
uint32_t
*
)
&
src
[
stride
*
3
];
b
=
(
a
&
b
)
+
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
*
(
uint32_t
*
)
&
src
[
stride
*
1
]
=
(
c
|
b
)
-
(((
c
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
b
=
*
(
uint32_t
*
)
&
src
[
stride
*
4
];
c
=
(
b
&
c
)
+
(((
b
^
c
)
&
0xFEFEFEFEUL
)
>>
1
);
*
(
uint32_t
*
)
&
src
[
stride
*
2
]
=
(
c
|
a
)
-
(((
c
^
a
)
&
0xFEFEFEFEUL
)
>>
1
);
c
=
*
(
uint32_t
*
)
&
src
[
stride
*
5
];
a
=
(
a
&
c
)
+
(((
a
^
c
)
&
0xFEFEFEFEUL
)
>>
1
);
*
(
uint32_t
*
)
&
src
[
stride
*
3
]
=
(
a
|
b
)
-
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
a
=
*
(
uint32_t
*
)
&
src
[
stride
*
6
];
b
=
(
a
&
b
)
+
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
*
(
uint32_t
*
)
&
src
[
stride
*
4
]
=
(
c
|
b
)
-
(((
c
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
b
=
*
(
uint32_t
*
)
&
src
[
stride
*
7
];
c
=
(
b
&
c
)
+
(((
b
^
c
)
&
0xFEFEFEFEUL
)
>>
1
);
*
(
uint32_t
*
)
&
src
[
stride
*
5
]
=
(
c
|
a
)
-
(((
c
^
a
)
&
0xFEFEFEFEUL
)
>>
1
);
c
=
*
(
uint32_t
*
)
&
src
[
stride
*
8
];
a
=
(
a
&
c
)
+
(((
a
^
c
)
&
0xFEFEFEFEUL
)
>>
1
);
*
(
uint32_t
*
)
&
src
[
stride
*
6
]
=
(
a
|
b
)
-
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
a
=
*
(
uint32_t
*
)
&
src
[
stride
*
9
];
b
=
(
a
&
b
)
+
(((
a
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
*
(
uint32_t
*
)
&
src
[
stride
*
7
]
=
(
c
|
b
)
-
(((
c
^
b
)
&
0xFEFEFEFEUL
)
>>
1
);
src
+=
4
;
}
#endif
}
...
...
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