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820089cb
编写于
1月 13, 2009
作者:
K
Kostya Shishkov
浏览文件
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浏览文件
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电子邮件补丁
差异文件
421l: fix loop filter for P-frames in VC-1
Originally committed as revision 16576 to
svn://svn.ffmpeg.org/ffmpeg/trunk
上级
34f3f6d1
变更
1
显示空白变更内容
内联
并排
Showing
1 changed file
with
16 addition
and
8 deletion
+16
-8
libavcodec/vc1.c
libavcodec/vc1.c
+16
-8
未找到文件。
libavcodec/vc1.c
浏览文件 @
820089cb
...
...
@@ -3205,8 +3205,8 @@ static int vc1_decode_p_mb(VC1Context *v)
left_cbp
=
v
->
cbp
[
s
->
mb_x
-
1
]
>>
(
i
*
4
);
top_cbp
=
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
(
i
*
4
);
}
else
{
left_cbp
=
(
i
&
1
)
?
(
pat
>>
((
i
-
1
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
1
]
>>
((
i
+
1
)
*
4
));
top_cbp
=
(
i
&
2
)
?
(
pat
>>
((
i
-
2
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
((
i
+
2
)
*
4
));
left_cbp
=
(
i
&
1
)
?
(
cbp
>>
((
i
-
1
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
1
]
>>
((
i
+
1
)
*
4
));
top_cbp
=
(
i
&
2
)
?
(
cbp
>>
((
i
-
2
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
((
i
+
2
)
*
4
));
}
if
(
left_cbp
&
0xC
)
vc1_loop_filter
(
s
->
dest
[
dst_idx
]
+
off
,
1
,
i
&
4
?
s
->
uvlinesize
:
s
->
linesize
,
8
,
mquant
);
...
...
@@ -3222,9 +3222,13 @@ static int vc1_decode_p_mb(VC1Context *v)
left_cbp
=
v
->
cbp
[
s
->
mb_x
-
1
]
>>
(
i
*
4
);
top_cbp
=
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
(
i
*
4
);
}
else
{
left_cbp
=
(
i
&
1
)
?
(
pat
>>
((
i
-
1
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
1
]
>>
((
i
+
1
)
*
4
));
top_cbp
=
(
i
&
2
)
?
(
pat
>>
((
i
-
2
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
((
i
+
2
)
*
4
));
left_cbp
=
(
i
&
1
)
?
(
cbp
>>
((
i
-
1
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
1
]
>>
((
i
+
1
)
*
4
));
top_cbp
=
(
i
&
2
)
?
(
cbp
>>
((
i
-
2
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
((
i
+
2
)
*
4
));
}
if
(
left_cbp
&
0xC
)
vc1_loop_filter
(
s
->
dest
[
dst_idx
]
+
off
,
1
,
i
&
4
?
s
->
uvlinesize
:
s
->
linesize
,
8
,
mquant
);
if
(
top_cbp
&
0xA
)
vc1_loop_filter
(
s
->
dest
[
dst_idx
]
+
off
,
i
&
4
?
s
->
uvlinesize
:
s
->
linesize
,
1
,
8
,
mquant
);
}
pat
=
vc1_decode_p_block
(
v
,
s
->
block
[
i
],
i
,
mquant
,
ttmb
,
first_block
,
s
->
dest
[
dst_idx
]
+
off
,
(
i
&
4
)
?
s
->
uvlinesize
:
s
->
linesize
,
(
i
&
4
)
&&
(
s
->
flags
&
CODEC_FLAG_GRAY
),
filter
,
left_cbp
,
top_cbp
);
block_cbp
|=
pat
<<
(
i
<<
2
);
...
...
@@ -3332,8 +3336,8 @@ static int vc1_decode_p_mb(VC1Context *v)
left_cbp
=
v
->
cbp
[
s
->
mb_x
-
1
]
>>
(
i
*
4
);
top_cbp
=
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
(
i
*
4
);
}
else
{
left_cbp
=
(
i
&
1
)
?
(
pat
>>
((
i
-
1
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
1
]
>>
((
i
+
1
)
*
4
));
top_cbp
=
(
i
&
2
)
?
(
pat
>>
((
i
-
2
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
((
i
+
2
)
*
4
));
left_cbp
=
(
i
&
1
)
?
(
cbp
>>
((
i
-
1
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
1
]
>>
((
i
+
1
)
*
4
));
top_cbp
=
(
i
&
2
)
?
(
cbp
>>
((
i
-
2
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
((
i
+
2
)
*
4
));
}
if
(
left_cbp
&
0xC
)
vc1_loop_filter
(
s
->
dest
[
dst_idx
]
+
off
,
1
,
i
&
4
?
s
->
uvlinesize
:
s
->
linesize
,
8
,
mquant
);
...
...
@@ -3349,9 +3353,13 @@ static int vc1_decode_p_mb(VC1Context *v)
left_cbp
=
v
->
cbp
[
s
->
mb_x
-
1
]
>>
(
i
*
4
);
top_cbp
=
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
(
i
*
4
);
}
else
{
left_cbp
=
(
i
&
1
)
?
(
pat
>>
((
i
-
1
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
1
]
>>
((
i
+
1
)
*
4
));
top_cbp
=
(
i
&
2
)
?
(
pat
>>
((
i
-
2
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
((
i
+
2
)
*
4
));
left_cbp
=
(
i
&
1
)
?
(
cbp
>>
((
i
-
1
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
1
]
>>
((
i
+
1
)
*
4
));
top_cbp
=
(
i
&
2
)
?
(
cbp
>>
((
i
-
2
)
*
4
))
:
(
v
->
cbp
[
s
->
mb_x
-
s
->
mb_stride
]
>>
((
i
+
2
)
*
4
));
}
if
(
left_cbp
&
0xC
)
vc1_loop_filter
(
s
->
dest
[
dst_idx
]
+
off
,
1
,
i
&
4
?
s
->
uvlinesize
:
s
->
linesize
,
8
,
mquant
);
if
(
top_cbp
&
0xA
)
vc1_loop_filter
(
s
->
dest
[
dst_idx
]
+
off
,
i
&
4
?
s
->
uvlinesize
:
s
->
linesize
,
1
,
8
,
mquant
);
}
pat
=
vc1_decode_p_block
(
v
,
s
->
block
[
i
],
i
,
mquant
,
ttmb
,
first_block
,
s
->
dest
[
dst_idx
]
+
off
,
(
i
&
4
)
?
s
->
uvlinesize
:
s
->
linesize
,
(
i
&
4
)
&&
(
s
->
flags
&
CODEC_FLAG_GRAY
),
filter
,
left_cbp
,
top_cbp
);
block_cbp
|=
pat
<<
(
i
<<
2
);
...
...
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