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Linshizhi
ffmpeg.wasm-core
Commits
4536c8e6
Commit
4536c8e6
authored
Jan 08, 2010
by
Jai Menon
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Plain Diff
Snow : re-indent after r21093.
Originally committed as revision 21094 to
svn://svn.ffmpeg.org/ffmpeg/trunk
parent
a4bd5985
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1 changed file
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74 additions
and
74 deletions
+74
-74
snow.c
libavcodec/snow.c
+74
-74
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libavcodec/snow.c
View file @
4536c8e6
...
...
@@ -1298,97 +1298,97 @@ static inline void unpack_coeffs(SnowContext *s, SubBand *b, SubBand * parent, i
const
int
h
=
b
->
height
;
int
x
,
y
;
int
run
,
runs
;
x_and_coeff
*
xc
=
b
->
x_coeff
;
x_and_coeff
*
prev_xc
=
NULL
;
x_and_coeff
*
prev2_xc
=
xc
;
x_and_coeff
*
parent_xc
=
parent
?
parent
->
x_coeff
:
NULL
;
x_and_coeff
*
prev_parent_xc
=
parent_xc
;
int
run
,
runs
;
x_and_coeff
*
xc
=
b
->
x_coeff
;
x_and_coeff
*
prev_xc
=
NULL
;
x_and_coeff
*
prev2_xc
=
xc
;
x_and_coeff
*
parent_xc
=
parent
?
parent
->
x_coeff
:
NULL
;
x_and_coeff
*
prev_parent_xc
=
parent_xc
;
runs
=
get_symbol2
(
&
s
->
c
,
b
->
state
[
30
],
0
);
if
(
runs
--
>
0
)
run
=
get_symbol2
(
&
s
->
c
,
b
->
state
[
1
],
3
);
else
run
=
INT_MAX
;
runs
=
get_symbol2
(
&
s
->
c
,
b
->
state
[
30
],
0
);
if
(
runs
--
>
0
)
run
=
get_symbol2
(
&
s
->
c
,
b
->
state
[
1
],
3
);
else
run
=
INT_MAX
;
for
(
y
=
0
;
y
<
h
;
y
++
){
int
v
=
0
;
int
lt
=
0
,
t
=
0
,
rt
=
0
;
for
(
y
=
0
;
y
<
h
;
y
++
){
int
v
=
0
;
int
lt
=
0
,
t
=
0
,
rt
=
0
;
if
(
y
&&
prev_xc
->
x
==
0
){
rt
=
prev_xc
->
coeff
;
}
for
(
x
=
0
;
x
<
w
;
x
++
){
int
p
=
0
;
const
int
l
=
v
;
if
(
y
&&
prev_xc
->
x
==
0
){
rt
=
prev_xc
->
coeff
;
}
for
(
x
=
0
;
x
<
w
;
x
++
){
int
p
=
0
;
const
int
l
=
v
;
lt
=
t
;
t
=
rt
;
lt
=
t
;
t
=
rt
;
if
(
y
){
if
(
prev_xc
->
x
<=
x
)
prev_xc
++
;
if
(
prev_xc
->
x
==
x
+
1
)
rt
=
prev_xc
->
coeff
;
else
rt
=
0
;
if
(
y
){
if
(
prev_xc
->
x
<=
x
)
prev_xc
++
;
if
(
prev_xc
->
x
==
x
+
1
)
rt
=
prev_xc
->
coeff
;
else
rt
=
0
;
}
if
(
parent_xc
){
if
(
x
>>
1
>
parent_xc
->
x
){
parent_xc
++
;
}
if
(
parent_xc
){
if
(
x
>>
1
>
parent_xc
->
x
){
parent_xc
++
;
}
if
(
x
>>
1
==
parent_xc
->
x
){
p
=
parent_xc
->
coeff
;
}
if
(
x
>>
1
==
parent_xc
->
x
){
p
=
parent_xc
->
coeff
;
}
if
(
/*ll|*/
l
|
lt
|
t
|
rt
|
p
){
int
context
=
av_log2
(
/*FFABS(ll) + */
3
*
(
l
>>
1
)
+
(
lt
>>
1
)
+
(
t
&~
1
)
+
(
rt
>>
1
)
+
(
p
>>
1
));
}
if
(
/*ll|*/
l
|
lt
|
t
|
rt
|
p
){
int
context
=
av_log2
(
/*FFABS(ll) + */
3
*
(
l
>>
1
)
+
(
lt
>>
1
)
+
(
t
&~
1
)
+
(
rt
>>
1
)
+
(
p
>>
1
));
v
=
get_rac
(
&
s
->
c
,
&
b
->
state
[
0
][
context
]);
if
(
v
){
v
=
2
*
(
get_symbol2
(
&
s
->
c
,
b
->
state
[
context
+
2
],
context
-
4
)
+
1
);
v
+=
get_rac
(
&
s
->
c
,
&
b
->
state
[
0
][
16
+
1
+
3
+
quant3bA
[
l
&
0xFF
]
+
3
*
quant3bA
[
t
&
0xFF
]]);
v
=
get_rac
(
&
s
->
c
,
&
b
->
state
[
0
][
context
]);
if
(
v
){
v
=
2
*
(
get_symbol2
(
&
s
->
c
,
b
->
state
[
context
+
2
],
context
-
4
)
+
1
);
v
+=
get_rac
(
&
s
->
c
,
&
b
->
state
[
0
][
16
+
1
+
3
+
quant3bA
[
l
&
0xFF
]
+
3
*
quant3bA
[
t
&
0xFF
]]);
xc
->
x
=
x
;
(
xc
++
)
->
coeff
=
v
;
}
xc
->
x
=
x
;
(
xc
++
)
->
coeff
=
v
;
}
}
else
{
if
(
!
run
){
if
(
runs
--
>
0
)
run
=
get_symbol2
(
&
s
->
c
,
b
->
state
[
1
],
3
);
else
run
=
INT_MAX
;
v
=
2
*
(
get_symbol2
(
&
s
->
c
,
b
->
state
[
0
+
2
],
0
-
4
)
+
1
);
v
+=
get_rac
(
&
s
->
c
,
&
b
->
state
[
0
][
16
+
1
+
3
]);
xc
->
x
=
x
;
(
xc
++
)
->
coeff
=
v
;
}
else
{
if
(
!
run
){
if
(
runs
--
>
0
)
run
=
get_symbol2
(
&
s
->
c
,
b
->
state
[
1
],
3
);
else
run
=
INT_MAX
;
v
=
2
*
(
get_symbol2
(
&
s
->
c
,
b
->
state
[
0
+
2
],
0
-
4
)
+
1
);
v
+=
get_rac
(
&
s
->
c
,
&
b
->
state
[
0
][
16
+
1
+
3
]);
xc
->
x
=
x
;
(
xc
++
)
->
coeff
=
v
;
}
else
{
int
max_run
;
run
--
;
v
=
0
;
if
(
y
)
max_run
=
FFMIN
(
run
,
prev_xc
->
x
-
x
-
2
);
else
max_run
=
FFMIN
(
run
,
w
-
x
-
1
);
if
(
parent_xc
)
max_run
=
FFMIN
(
max_run
,
2
*
parent_xc
->
x
-
x
-
1
);
x
+=
max_run
;
run
-=
max_run
;
}
int
max_run
;
run
--
;
v
=
0
;
if
(
y
)
max_run
=
FFMIN
(
run
,
prev_xc
->
x
-
x
-
2
);
else
max_run
=
FFMIN
(
run
,
w
-
x
-
1
);
if
(
parent_xc
)
max_run
=
FFMIN
(
max_run
,
2
*
parent_xc
->
x
-
x
-
1
);
x
+=
max_run
;
run
-=
max_run
;
}
}
(
xc
++
)
->
x
=
w
+
1
;
//end marker
prev_xc
=
prev2_xc
;
prev2_xc
=
xc
;
}
(
xc
++
)
->
x
=
w
+
1
;
//end marker
prev_xc
=
prev2_xc
;
prev2_xc
=
xc
;
if
(
parent_xc
){
if
(
y
&
1
){
while
(
parent_xc
->
x
!=
parent
->
width
+
1
)
parent_xc
++
;
if
(
parent_xc
){
if
(
y
&
1
){
while
(
parent_xc
->
x
!=
parent
->
width
+
1
)
parent_xc
++
;
prev_parent_xc
=
parent_xc
;
}
else
{
parent_xc
=
prev_parent_xc
;
}
parent_xc
++
;
prev_parent_xc
=
parent_xc
;
}
else
{
parent_xc
=
prev_parent_xc
;
}
}
}
(
xc
++
)
->
x
=
w
+
1
;
//end marker
(
xc
++
)
->
x
=
w
+
1
;
//end marker
}
static
inline
void
decode_subband_slice_buffered
(
SnowContext
*
s
,
SubBand
*
b
,
slice_buffer
*
sb
,
int
start_y
,
int
h
,
int
save_state
[
1
]){
...
...
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