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submodule
ffmpeg
Commits
0354fb7e
Commit
0354fb7e
authored
Sep 11, 2011
by
Justin Ruggles
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dpcm: use smaller data types for static tables
parent
5a54d510
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5 deletions
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dpcm.c
libavcodec/dpcm.c
+5
-5
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libavcodec/dpcm.c
View file @
0354fb7e
...
@@ -45,10 +45,10 @@ typedef struct DPCMContext {
...
@@ -45,10 +45,10 @@ typedef struct DPCMContext {
int
channels
;
int
channels
;
int16_t
roq_square_array
[
256
];
int16_t
roq_square_array
[
256
];
int
sample
[
2
];
///< previous sample (for SOL_DPCM)
int
sample
[
2
];
///< previous sample (for SOL_DPCM)
const
int
*
sol_table
;
//
for SOL_DPCM
const
int
8_t
*
sol_table
;
///< delta table
for SOL_DPCM
}
DPCMContext
;
}
DPCMContext
;
static
const
int
interplay_delta_table
[]
=
{
static
const
int
16_t
interplay_delta_table
[]
=
{
0
,
1
,
2
,
3
,
4
,
5
,
6
,
7
,
0
,
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
,
10
,
11
,
12
,
13
,
14
,
15
,
8
,
9
,
10
,
11
,
12
,
13
,
14
,
15
,
16
,
17
,
18
,
19
,
20
,
21
,
22
,
23
,
16
,
17
,
18
,
19
,
20
,
21
,
22
,
23
,
...
@@ -84,17 +84,17 @@ static const int interplay_delta_table[] = {
...
@@ -84,17 +84,17 @@ static const int interplay_delta_table[] = {
};
};
static
const
int
sol_table_old
[
16
]
=
{
static
const
int
8_t
sol_table_old
[
16
]
=
{
0x0
,
0x1
,
0x2
,
0x3
,
0x6
,
0xA
,
0xF
,
0x15
,
0x0
,
0x1
,
0x2
,
0x3
,
0x6
,
0xA
,
0xF
,
0x15
,
-
0x15
,
-
0xF
,
-
0xA
,
-
0x6
,
-
0x3
,
-
0x2
,
-
0x1
,
0x0
-
0x15
,
-
0xF
,
-
0xA
,
-
0x6
,
-
0x3
,
-
0x2
,
-
0x1
,
0x0
};
};
static
const
int
sol_table_new
[
16
]
=
{
static
const
int
8_t
sol_table_new
[
16
]
=
{
0x0
,
0x1
,
0x2
,
0x3
,
0x6
,
0xA
,
0xF
,
0x15
,
0x0
,
0x1
,
0x2
,
0x3
,
0x6
,
0xA
,
0xF
,
0x15
,
0x0
,
-
0x1
,
-
0x2
,
-
0x3
,
-
0x6
,
-
0xA
,
-
0xF
,
-
0x15
0x0
,
-
0x1
,
-
0x2
,
-
0x3
,
-
0x6
,
-
0xA
,
-
0xF
,
-
0x15
};
};
static
const
int
sol_table_16
[
128
]
=
{
static
const
int
16_t
sol_table_16
[
128
]
=
{
0x000
,
0x008
,
0x010
,
0x020
,
0x030
,
0x040
,
0x050
,
0x060
,
0x070
,
0x080
,
0x000
,
0x008
,
0x010
,
0x020
,
0x030
,
0x040
,
0x050
,
0x060
,
0x070
,
0x080
,
0x090
,
0x0A0
,
0x0B0
,
0x0C0
,
0x0D0
,
0x0E0
,
0x0F0
,
0x100
,
0x110
,
0x120
,
0x090
,
0x0A0
,
0x0B0
,
0x0C0
,
0x0D0
,
0x0E0
,
0x0F0
,
0x100
,
0x110
,
0x120
,
0x130
,
0x140
,
0x150
,
0x160
,
0x170
,
0x180
,
0x190
,
0x1A0
,
0x1B0
,
0x1C0
,
0x130
,
0x140
,
0x150
,
0x160
,
0x170
,
0x180
,
0x190
,
0x1A0
,
0x1B0
,
0x1C0
,
...
...
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