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体验新版 GitCode,发现更多精彩内容 >>
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d4b287ed
编写于
5月 30, 2006
作者:
L
Loren Merritt
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
Snow: cosmetics
Originally committed as revision 5432 to
svn://svn.ffmpeg.org/ffmpeg/trunk
上级
85fc0e75
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
19 addition
and
15 deletion
+19
-15
libavcodec/snow.c
libavcodec/snow.c
+15
-15
libavcodec/snow.h
libavcodec/snow.h
+4
-0
未找到文件。
libavcodec/snow.c
浏览文件 @
d4b287ed
...
...
@@ -1197,9 +1197,9 @@ void ff_spatial_dwt(DWTELEM *buffer, int width, int height, int stride, int type
for
(
level
=
0
;
level
<
decomposition_count
;
level
++
){
switch
(
type
){
case
0
:
spatial_decompose97i
(
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
case
1
:
spatial_decompose53i
(
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
case
2
:
spatial_decomposeX
(
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
case
DWT_97
:
spatial_decompose97i
(
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
case
DWT_53
:
spatial_decompose53i
(
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
case
DWT_X
:
spatial_decomposeX
(
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
}
}
}
...
...
@@ -1502,10 +1502,10 @@ static void ff_spatial_idwt_buffered_init(dwt_compose_t *cs, slice_buffer * sb,
int
level
;
for
(
level
=
decomposition_count
-
1
;
level
>=
0
;
level
--
){
switch
(
type
){
case
0
:
spatial_compose97i_buffered_init
(
cs
+
level
,
sb
,
height
>>
level
,
stride_line
<<
level
);
break
;
case
1
:
spatial_compose53i_buffered_init
(
cs
+
level
,
sb
,
height
>>
level
,
stride_line
<<
level
);
break
;
case
DWT_97
:
spatial_compose97i_buffered_init
(
cs
+
level
,
sb
,
height
>>
level
,
stride_line
<<
level
);
break
;
case
DWT_53
:
spatial_compose53i_buffered_init
(
cs
+
level
,
sb
,
height
>>
level
,
stride_line
<<
level
);
break
;
/* not slicified yet */
case
2
:
/*spatial_composeX(buffer, width>>level, height>>level, stride<<level); break;*/
case
DWT_X
:
/*spatial_composeX(buffer, width>>level, height>>level, stride<<level); break;*/
av_log
(
NULL
,
AV_LOG_ERROR
,
"spatial_composeX neither buffered nor slicified yet.
\n
"
);
break
;
}
}
...
...
@@ -1515,10 +1515,10 @@ static void ff_spatial_idwt_init(dwt_compose_t *cs, DWTELEM *buffer, int width,
int
level
;
for
(
level
=
decomposition_count
-
1
;
level
>=
0
;
level
--
){
switch
(
type
){
case
0
:
spatial_compose97i_init
(
cs
+
level
,
buffer
,
height
>>
level
,
stride
<<
level
);
break
;
case
1
:
spatial_compose53i_init
(
cs
+
level
,
buffer
,
height
>>
level
,
stride
<<
level
);
break
;
case
DWT_97
:
spatial_compose97i_init
(
cs
+
level
,
buffer
,
height
>>
level
,
stride
<<
level
);
break
;
case
DWT_53
:
spatial_compose53i_init
(
cs
+
level
,
buffer
,
height
>>
level
,
stride
<<
level
);
break
;
/* not slicified yet */
case
2
:
spatial_composeX
(
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
case
DWT_X
:
spatial_composeX
(
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
}
}
}
...
...
@@ -1531,11 +1531,11 @@ static void ff_spatial_idwt_slice(dwt_compose_t *cs, DWTELEM *buffer, int width,
for
(
level
=
decomposition_count
-
1
;
level
>=
0
;
level
--
){
while
(
cs
[
level
].
y
<=
FFMIN
((
y
>>
level
)
+
support
,
height
>>
level
)){
switch
(
type
){
case
0
:
spatial_compose97i_dy
(
cs
+
level
,
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
case
DWT_97
:
spatial_compose97i_dy
(
cs
+
level
,
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
case
1
:
spatial_compose53i_dy
(
cs
+
level
,
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
case
DWT_53
:
spatial_compose53i_dy
(
cs
+
level
,
buffer
,
width
>>
level
,
height
>>
level
,
stride
<<
level
);
break
;
case
2
:
break
;
case
DWT_X
:
break
;
}
}
}
...
...
@@ -1549,11 +1549,11 @@ static void ff_spatial_idwt_buffered_slice(DSPContext *dsp, dwt_compose_t *cs, s
for
(
level
=
decomposition_count
-
1
;
level
>=
0
;
level
--
){
while
(
cs
[
level
].
y
<=
FFMIN
((
y
>>
level
)
+
support
,
height
>>
level
)){
switch
(
type
){
case
0
:
spatial_compose97i_dy_buffered
(
dsp
,
cs
+
level
,
slice_buf
,
width
>>
level
,
height
>>
level
,
stride_line
<<
level
);
case
DWT_97
:
spatial_compose97i_dy_buffered
(
dsp
,
cs
+
level
,
slice_buf
,
width
>>
level
,
height
>>
level
,
stride_line
<<
level
);
break
;
case
1
:
spatial_compose53i_dy_buffered
(
cs
+
level
,
slice_buf
,
width
>>
level
,
height
>>
level
,
stride_line
<<
level
);
case
DWT_53
:
spatial_compose53i_dy_buffered
(
cs
+
level
,
slice_buf
,
width
>>
level
,
height
>>
level
,
stride_line
<<
level
);
break
;
case
2
:
break
;
case
DWT_X
:
break
;
}
}
}
...
...
libavcodec/snow.h
浏览文件 @
d4b287ed
...
...
@@ -35,6 +35,10 @@
#define LOG2_OBMC_MAX 8
#define OBMC_MAX (1<<(LOG2_OBMC_MAX))
#define DWT_97 0
#define DWT_53 1
#define DWT_X 2
/** Used to minimize the amount of memory used in order to optimize cache performance. **/
struct
slice_buffer_s
{
DWTELEM
*
*
line
;
///< For use by idwt and predict_slices.
...
...
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