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8fbd4f51
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体验新版 GitCode,发现更多精彩内容 >>
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8fbd4f51
编写于
6月 22, 2010
作者:
M
Måns Rullgård
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
Improve some uses of ff_cropTbl with constant offset
Originally committed as revision 23728 to
svn://svn.ffmpeg.org/ffmpeg/trunk
上级
25d34458
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
47 addition
and
43 deletion
+47
-43
libavcodec/bfin/vp3_bfin.c
libavcodec/bfin/vp3_bfin.c
+2
-2
libavcodec/h264idct.c
libavcodec/h264idct.c
+4
-4
libavcodec/vc1dsp.c
libavcodec/vc1dsp.c
+32
-28
libavcodec/vp3dsp.c
libavcodec/vp3dsp.c
+9
-9
未找到文件。
libavcodec/bfin/vp3_bfin.c
浏览文件 @
8fbd4f51
...
...
@@ -25,14 +25,14 @@
/* Intra iDCT offset 128 */
void
ff_bfin_vp3_idct_put
(
uint8_t
*
dest
,
int
line_size
,
DCTELEM
*
block
)
{
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
;
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
+
128
;
int
i
,
j
;
ff_bfin_vp3_idct
(
block
);
for
(
i
=
0
;
i
<
8
;
i
++
)
for
(
j
=
0
;
j
<
8
;
j
++
)
dest
[
line_size
*
i
+
j
]
=
cm
[
128
+
block
[
i
*
8
+
j
]];
dest
[
line_size
*
i
+
j
]
=
cm
[
block
[
i
*
8
+
j
]];
}
/* Inter iDCT */
...
...
libavcodec/h264idct.c
浏览文件 @
8fbd4f51
...
...
@@ -143,24 +143,24 @@ void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride){
// assumes all AC coefs are 0
void
ff_h264_idct_dc_add_c
(
uint8_t
*
dst
,
DCTELEM
*
block
,
int
stride
){
int
i
,
j
;
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
;
int
dc
=
(
block
[
0
]
+
32
)
>>
6
;
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
+
dc
;
for
(
j
=
0
;
j
<
4
;
j
++
)
{
for
(
i
=
0
;
i
<
4
;
i
++
)
dst
[
i
]
=
cm
[
dst
[
i
]
+
dc
];
dst
[
i
]
=
cm
[
dst
[
i
]
];
dst
+=
stride
;
}
}
void
ff_h264_idct8_dc_add_c
(
uint8_t
*
dst
,
DCTELEM
*
block
,
int
stride
){
int
i
,
j
;
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
;
int
dc
=
(
block
[
0
]
+
32
)
>>
6
;
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
+
dc
;
for
(
j
=
0
;
j
<
8
;
j
++
)
{
for
(
i
=
0
;
i
<
8
;
i
++
)
dst
[
i
]
=
cm
[
dst
[
i
]
+
dc
];
dst
[
i
]
=
cm
[
dst
[
i
]
];
dst
+=
stride
;
}
}
...
...
libavcodec/vc1dsp.c
浏览文件 @
8fbd4f51
...
...
@@ -182,18 +182,19 @@ static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int
i
;
int
dc
=
block
[
0
];
const
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
;
const
uint8_t
*
cm
;
dc
=
(
3
*
dc
+
1
)
>>
1
;
dc
=
(
3
*
dc
+
16
)
>>
5
;
cm
=
ff_cropTbl
+
MAX_NEG_CROP
+
dc
;
for
(
i
=
0
;
i
<
8
;
i
++
){
dest
[
0
]
=
cm
[
dest
[
0
]
+
dc
];
dest
[
1
]
=
cm
[
dest
[
1
]
+
dc
];
dest
[
2
]
=
cm
[
dest
[
2
]
+
dc
];
dest
[
3
]
=
cm
[
dest
[
3
]
+
dc
];
dest
[
4
]
=
cm
[
dest
[
4
]
+
dc
];
dest
[
5
]
=
cm
[
dest
[
5
]
+
dc
];
dest
[
6
]
=
cm
[
dest
[
6
]
+
dc
];
dest
[
7
]
=
cm
[
dest
[
7
]
+
dc
];
dest
[
0
]
=
cm
[
dest
[
0
]];
dest
[
1
]
=
cm
[
dest
[
1
]];
dest
[
2
]
=
cm
[
dest
[
2
]];
dest
[
3
]
=
cm
[
dest
[
3
]];
dest
[
4
]
=
cm
[
dest
[
4
]];
dest
[
5
]
=
cm
[
dest
[
5
]];
dest
[
6
]
=
cm
[
dest
[
6
]];
dest
[
7
]
=
cm
[
dest
[
7
]];
dest
+=
linesize
;
}
}
...
...
@@ -273,18 +274,19 @@ static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int
i
;
int
dc
=
block
[
0
];
const
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
;
const
uint8_t
*
cm
;
dc
=
(
3
*
dc
+
1
)
>>
1
;
dc
=
(
17
*
dc
+
64
)
>>
7
;
cm
=
ff_cropTbl
+
MAX_NEG_CROP
+
dc
;
for
(
i
=
0
;
i
<
4
;
i
++
){
dest
[
0
]
=
cm
[
dest
[
0
]
+
dc
];
dest
[
1
]
=
cm
[
dest
[
1
]
+
dc
];
dest
[
2
]
=
cm
[
dest
[
2
]
+
dc
];
dest
[
3
]
=
cm
[
dest
[
3
]
+
dc
];
dest
[
4
]
=
cm
[
dest
[
4
]
+
dc
];
dest
[
5
]
=
cm
[
dest
[
5
]
+
dc
];
dest
[
6
]
=
cm
[
dest
[
6
]
+
dc
];
dest
[
7
]
=
cm
[
dest
[
7
]
+
dc
];
dest
[
0
]
=
cm
[
dest
[
0
]];
dest
[
1
]
=
cm
[
dest
[
1
]];
dest
[
2
]
=
cm
[
dest
[
2
]];
dest
[
3
]
=
cm
[
dest
[
3
]];
dest
[
4
]
=
cm
[
dest
[
4
]];
dest
[
5
]
=
cm
[
dest
[
5
]];
dest
[
6
]
=
cm
[
dest
[
6
]];
dest
[
7
]
=
cm
[
dest
[
7
]];
dest
+=
linesize
;
}
}
...
...
@@ -350,14 +352,15 @@ static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int
i
;
int
dc
=
block
[
0
];
const
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
;
const
uint8_t
*
cm
;
dc
=
(
17
*
dc
+
4
)
>>
3
;
dc
=
(
12
*
dc
+
64
)
>>
7
;
cm
=
ff_cropTbl
+
MAX_NEG_CROP
+
dc
;
for
(
i
=
0
;
i
<
8
;
i
++
){
dest
[
0
]
=
cm
[
dest
[
0
]
+
dc
];
dest
[
1
]
=
cm
[
dest
[
1
]
+
dc
];
dest
[
2
]
=
cm
[
dest
[
2
]
+
dc
];
dest
[
3
]
=
cm
[
dest
[
3
]
+
dc
];
dest
[
0
]
=
cm
[
dest
[
0
]];
dest
[
1
]
=
cm
[
dest
[
1
]];
dest
[
2
]
=
cm
[
dest
[
2
]];
dest
[
3
]
=
cm
[
dest
[
3
]];
dest
+=
linesize
;
}
}
...
...
@@ -423,14 +426,15 @@ static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int
i
;
int
dc
=
block
[
0
];
const
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
;
const
uint8_t
*
cm
;
dc
=
(
17
*
dc
+
4
)
>>
3
;
dc
=
(
17
*
dc
+
64
)
>>
7
;
cm
=
ff_cropTbl
+
MAX_NEG_CROP
+
dc
;
for
(
i
=
0
;
i
<
4
;
i
++
){
dest
[
0
]
=
cm
[
dest
[
0
]
+
dc
];
dest
[
1
]
=
cm
[
dest
[
1
]
+
dc
];
dest
[
2
]
=
cm
[
dest
[
2
]
+
dc
];
dest
[
3
]
=
cm
[
dest
[
3
]
+
dc
];
dest
[
0
]
=
cm
[
dest
[
0
]];
dest
[
1
]
=
cm
[
dest
[
1
]];
dest
[
2
]
=
cm
[
dest
[
2
]];
dest
[
3
]
=
cm
[
dest
[
3
]];
dest
+=
linesize
;
}
}
...
...
libavcodec/vp3dsp.c
浏览文件 @
8fbd4f51
...
...
@@ -224,18 +224,18 @@ void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*
}
void
ff_vp3_idct_dc_add_c
(
uint8_t
*
dest
/*align 8*/
,
int
line_size
,
const
DCTELEM
*
block
/*align 16*/
){
const
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
;
int
i
,
dc
=
(
block
[
0
]
+
15
)
>>
5
;
const
uint8_t
*
cm
=
ff_cropTbl
+
MAX_NEG_CROP
+
dc
;
for
(
i
=
0
;
i
<
8
;
i
++
){
dest
[
0
]
=
cm
[
dest
[
0
]
+
dc
];
dest
[
1
]
=
cm
[
dest
[
1
]
+
dc
];
dest
[
2
]
=
cm
[
dest
[
2
]
+
dc
];
dest
[
3
]
=
cm
[
dest
[
3
]
+
dc
];
dest
[
4
]
=
cm
[
dest
[
4
]
+
dc
];
dest
[
5
]
=
cm
[
dest
[
5
]
+
dc
];
dest
[
6
]
=
cm
[
dest
[
6
]
+
dc
];
dest
[
7
]
=
cm
[
dest
[
7
]
+
dc
];
dest
[
0
]
=
cm
[
dest
[
0
]];
dest
[
1
]
=
cm
[
dest
[
1
]];
dest
[
2
]
=
cm
[
dest
[
2
]];
dest
[
3
]
=
cm
[
dest
[
3
]];
dest
[
4
]
=
cm
[
dest
[
4
]];
dest
[
5
]
=
cm
[
dest
[
5
]];
dest
[
6
]
=
cm
[
dest
[
6
]];
dest
[
7
]
=
cm
[
dest
[
7
]];
dest
+=
line_size
;
}
}
...
...
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