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Linshizhi
ffmpeg.wasm-core
Commits
25692276
Commit
25692276
authored
Aug 05, 2014
by
Michael Niedermayer
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avfilter/vf_noise: make constant things const
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
6f3e15af
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10 deletions
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vf_noise.c
libavfilter/vf_noise.c
+10
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libavfilter/vf_noise.c
View file @
25692276
...
...
@@ -62,8 +62,8 @@ typedef struct {
FilterParams
param
[
4
];
int
rand_shift
[
MAX_RES
];
int
rand_shift_init
;
void
(
*
line_noise
)(
uint8_t
*
dst
,
const
uint8_t
*
src
,
int8_t
*
noise
,
int
len
,
int
shift
);
void
(
*
line_noise_avg
)(
uint8_t
*
dst
,
const
uint8_t
*
src
,
int
len
,
int8_t
*
*
shift
);
void
(
*
line_noise
)(
uint8_t
*
dst
,
const
uint8_t
*
src
,
const
int8_t
*
noise
,
int
len
,
int
shift
);
void
(
*
line_noise_avg
)(
uint8_t
*
dst
,
const
uint8_t
*
src
,
int
len
,
const
int8_t
*
const
*
shift
);
}
NoiseContext
;
typedef
struct
ThreadData
{
...
...
@@ -199,7 +199,7 @@ static int config_input(AVFilterLink *inlink)
return
0
;
}
static
inline
void
line_noise_c
(
uint8_t
*
dst
,
const
uint8_t
*
src
,
int8_t
*
noise
,
static
inline
void
line_noise_c
(
uint8_t
*
dst
,
const
uint8_t
*
src
,
const
int8_t
*
noise
,
int
len
,
int
shift
)
{
int
i
;
...
...
@@ -215,7 +215,7 @@ static inline void line_noise_c(uint8_t *dst, const uint8_t *src, int8_t *noise,
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\n\t"
static
void
line_noise_mmx
(
uint8_t
*
dst
,
const
uint8_t
*
src
,
int8_t
*
noise
,
int
len
,
int
shift
)
const
int8_t
*
noise
,
int
len
,
int
shift
)
{
#if HAVE_MMX_INLINE
x86_reg
mmx_len
=
len
&
(
~
7
);
...
...
@@ -245,7 +245,7 @@ static void line_noise_mmx(uint8_t *dst, const uint8_t *src,
}
static
void
line_noise_mmxext
(
uint8_t
*
dst
,
const
uint8_t
*
src
,
int8_t
*
noise
,
int
len
,
int
shift
)
const
int8_t
*
noise
,
int
len
,
int
shift
)
{
#if HAVE_MMXEXT_INLINE
x86_reg
mmx_len
=
len
&
(
~
7
);
...
...
@@ -275,10 +275,10 @@ static void line_noise_mmxext(uint8_t *dst, const uint8_t *src,
}
static
inline
void
line_noise_avg_c
(
uint8_t
*
dst
,
const
uint8_t
*
src
,
int
len
,
int8_t
*
*
shift
)
int
len
,
const
int8_t
*
const
*
shift
)
{
int
i
;
int8_t
*
src2
=
(
int8_t
*
)
src
;
const
int8_t
*
src2
=
(
const
int8_t
*
)
src
;
for
(
i
=
0
;
i
<
len
;
i
++
)
{
const
int
n
=
shift
[
0
][
i
]
+
shift
[
1
][
i
]
+
shift
[
2
][
i
];
...
...
@@ -287,7 +287,7 @@ static inline void line_noise_avg_c(uint8_t *dst, const uint8_t *src,
}
static
inline
void
line_noise_avg_mmx
(
uint8_t
*
dst
,
const
uint8_t
*
src
,
int
len
,
int8_t
*
*
shift
)
int
len
,
const
int8_t
*
const
*
shift
)
{
#if HAVE_MMX_INLINE && HAVE_6REGS
x86_reg
mmx_len
=
len
&
(
~
7
);
...
...
@@ -324,7 +324,7 @@ static inline void line_noise_avg_mmx(uint8_t *dst, const uint8_t *src,
);
if
(
mmx_len
!=
len
){
int8_t
*
shift2
[
3
]
=
{
shift
[
0
]
+
mmx_len
,
shift
[
1
]
+
mmx_len
,
shift
[
2
]
+
mmx_len
};
const
int8_t
*
shift2
[
3
]
=
{
shift
[
0
]
+
mmx_len
,
shift
[
1
]
+
mmx_len
,
shift
[
2
]
+
mmx_len
};
line_noise_avg_c
(
dst
+
mmx_len
,
src
+
mmx_len
,
len
-
mmx_len
,
shift2
);
}
#endif
...
...
@@ -354,7 +354,7 @@ static void noise(uint8_t *dst, const uint8_t *src,
shift
=
n
->
rand_shift
[
ix
];
if
(
flags
&
NOISE_AVERAGED
)
{
n
->
line_noise_avg
(
dst
,
src
,
width
,
p
->
prev_shift
[
ix
]);
n
->
line_noise_avg
(
dst
,
src
,
width
,
(
const
int8_t
**
)
p
->
prev_shift
[
ix
]);
p
->
prev_shift
[
ix
][
shift
&
3
]
=
noise
+
shift
;
}
else
{
n
->
line_noise
(
dst
,
src
,
noise
,
width
,
shift
);
...
...
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