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Linshizhi
ffmpeg.wasm-core
Commits
38f64c03
Commit
38f64c03
authored
Aug 14, 2013
by
Diego Biurrun
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mpeg12decdata.h: Move all tables to the only place they are used
parent
ec6c1b1d
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3 changed files
with
57 additions
and
94 deletions
+57
-94
mpeg12.c
libavcodec/mpeg12.c
+24
-1
mpeg12dec.c
libavcodec/mpeg12dec.c
+33
-1
mpeg12decdata.h
libavcodec/mpeg12decdata.h
+0
-92
No files found.
libavcodec/mpeg12.c
View file @
38f64c03
...
...
@@ -33,13 +33,36 @@
#include "error_resilience.h"
#include "mpeg12.h"
#include "mpeg12data.h"
#include "mpeg12decdata.h"
#include "bytestream.h"
#include "xvmc_internal.h"
#include "thread.h"
uint8_t
ff_mpeg12_static_rl_table_store
[
2
][
2
][
2
*
MAX_RUN
+
MAX_LEVEL
+
3
];
static
const
uint8_t
table_mb_ptype
[
7
][
2
]
=
{
{
3
,
5
},
// 0x01 MB_INTRA
{
1
,
2
},
// 0x02 MB_PAT
{
1
,
3
},
// 0x08 MB_FOR
{
1
,
1
},
// 0x0A MB_FOR|MB_PAT
{
1
,
6
},
// 0x11 MB_QUANT|MB_INTRA
{
1
,
5
},
// 0x12 MB_QUANT|MB_PAT
{
2
,
5
},
// 0x1A MB_QUANT|MB_FOR|MB_PAT
};
static
const
uint8_t
table_mb_btype
[
11
][
2
]
=
{
{
3
,
5
},
// 0x01 MB_INTRA
{
2
,
3
},
// 0x04 MB_BACK
{
3
,
3
},
// 0x06 MB_BACK|MB_PAT
{
2
,
4
},
// 0x08 MB_FOR
{
3
,
4
},
// 0x0A MB_FOR|MB_PAT
{
2
,
2
},
// 0x0C MB_FOR|MB_BACK
{
3
,
2
},
// 0x0E MB_FOR|MB_BACK|MB_PAT
{
1
,
6
},
// 0x11 MB_QUANT|MB_INTRA
{
2
,
6
},
// 0x16 MB_QUANT|MB_BACK|MB_PAT
{
3
,
6
},
// 0x1A MB_QUANT|MB_FOR|MB_PAT
{
2
,
5
},
// 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
};
#define INIT_2D_VLC_RL(rl, static_size)\
{\
static RL_VLC_ELEM rl_vlc_table[static_size];\
...
...
libavcodec/mpeg12dec.c
View file @
38f64c03
...
...
@@ -34,7 +34,6 @@
#include "error_resilience.h"
#include "mpeg12.h"
#include "mpeg12data.h"
#include "mpeg12decdata.h"
#include "bytestream.h"
#include "xvmc_internal.h"
#include "thread.h"
...
...
@@ -54,6 +53,39 @@ typedef struct Mpeg1Context {
int
extradata_decoded
;
}
Mpeg1Context
;
#define MB_TYPE_ZERO_MV 0x20000000
static
const
uint32_t
ptype2mb_type
[
7
]
=
{
MB_TYPE_INTRA
,
MB_TYPE_L0
|
MB_TYPE_CBP
|
MB_TYPE_ZERO_MV
|
MB_TYPE_16x16
,
MB_TYPE_L0
,
MB_TYPE_L0
|
MB_TYPE_CBP
,
MB_TYPE_QUANT
|
MB_TYPE_INTRA
,
MB_TYPE_QUANT
|
MB_TYPE_L0
|
MB_TYPE_CBP
|
MB_TYPE_ZERO_MV
|
MB_TYPE_16x16
,
MB_TYPE_QUANT
|
MB_TYPE_L0
|
MB_TYPE_CBP
,
};
static
const
uint32_t
btype2mb_type
[
11
]
=
{
MB_TYPE_INTRA
,
MB_TYPE_L1
,
MB_TYPE_L1
|
MB_TYPE_CBP
,
MB_TYPE_L0
,
MB_TYPE_L0
|
MB_TYPE_CBP
,
MB_TYPE_L0L1
,
MB_TYPE_L0L1
|
MB_TYPE_CBP
,
MB_TYPE_QUANT
|
MB_TYPE_INTRA
,
MB_TYPE_QUANT
|
MB_TYPE_L1
|
MB_TYPE_CBP
,
MB_TYPE_QUANT
|
MB_TYPE_L0
|
MB_TYPE_CBP
,
MB_TYPE_QUANT
|
MB_TYPE_L0L1
|
MB_TYPE_CBP
,
};
static
const
uint8_t
non_linear_qscale
[
32
]
=
{
0
,
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
10
,
12
,
14
,
16
,
18
,
20
,
22
,
24
,
28
,
32
,
36
,
40
,
44
,
48
,
52
,
56
,
64
,
72
,
80
,
88
,
96
,
104
,
112
,
};
/* as H.263, but only 17 codes */
static
int
mpeg_decode_motion
(
MpegEncContext
*
s
,
int
fcode
,
int
pred
)
{
...
...
libavcodec/mpeg12decdata.h
deleted
100644 → 0
View file @
ec6c1b1d
/*
* MPEG1/2 decoder tables
* copyright (c) 2000,2001 Fabrice Bellard
* copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* MPEG1/2 decoder tables.
*/
#ifndef AVCODEC_MPEG12DECDATA_H
#define AVCODEC_MPEG12DECDATA_H
#include <stdint.h>
#include "mpegvideo.h"
#define MB_TYPE_ZERO_MV 0x20000000
static
const
uint8_t
table_mb_ptype
[
7
][
2
]
=
{
{
3
,
5
},
// 0x01 MB_INTRA
{
1
,
2
},
// 0x02 MB_PAT
{
1
,
3
},
// 0x08 MB_FOR
{
1
,
1
},
// 0x0A MB_FOR|MB_PAT
{
1
,
6
},
// 0x11 MB_QUANT|MB_INTRA
{
1
,
5
},
// 0x12 MB_QUANT|MB_PAT
{
2
,
5
},
// 0x1A MB_QUANT|MB_FOR|MB_PAT
};
static
const
uint32_t
ptype2mb_type
[
7
]
=
{
MB_TYPE_INTRA
,
MB_TYPE_L0
|
MB_TYPE_CBP
|
MB_TYPE_ZERO_MV
|
MB_TYPE_16x16
,
MB_TYPE_L0
,
MB_TYPE_L0
|
MB_TYPE_CBP
,
MB_TYPE_QUANT
|
MB_TYPE_INTRA
,
MB_TYPE_QUANT
|
MB_TYPE_L0
|
MB_TYPE_CBP
|
MB_TYPE_ZERO_MV
|
MB_TYPE_16x16
,
MB_TYPE_QUANT
|
MB_TYPE_L0
|
MB_TYPE_CBP
,
};
static
const
uint8_t
table_mb_btype
[
11
][
2
]
=
{
{
3
,
5
},
// 0x01 MB_INTRA
{
2
,
3
},
// 0x04 MB_BACK
{
3
,
3
},
// 0x06 MB_BACK|MB_PAT
{
2
,
4
},
// 0x08 MB_FOR
{
3
,
4
},
// 0x0A MB_FOR|MB_PAT
{
2
,
2
},
// 0x0C MB_FOR|MB_BACK
{
3
,
2
},
// 0x0E MB_FOR|MB_BACK|MB_PAT
{
1
,
6
},
// 0x11 MB_QUANT|MB_INTRA
{
2
,
6
},
// 0x16 MB_QUANT|MB_BACK|MB_PAT
{
3
,
6
},
// 0x1A MB_QUANT|MB_FOR|MB_PAT
{
2
,
5
},
// 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
};
static
const
uint32_t
btype2mb_type
[
11
]
=
{
MB_TYPE_INTRA
,
MB_TYPE_L1
,
MB_TYPE_L1
|
MB_TYPE_CBP
,
MB_TYPE_L0
,
MB_TYPE_L0
|
MB_TYPE_CBP
,
MB_TYPE_L0L1
,
MB_TYPE_L0L1
|
MB_TYPE_CBP
,
MB_TYPE_QUANT
|
MB_TYPE_INTRA
,
MB_TYPE_QUANT
|
MB_TYPE_L1
|
MB_TYPE_CBP
,
MB_TYPE_QUANT
|
MB_TYPE_L0
|
MB_TYPE_CBP
,
MB_TYPE_QUANT
|
MB_TYPE_L0L1
|
MB_TYPE_CBP
,
};
static
const
uint8_t
non_linear_qscale
[
32
]
=
{
0
,
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
10
,
12
,
14
,
16
,
18
,
20
,
22
,
24
,
28
,
32
,
36
,
40
,
44
,
48
,
52
,
56
,
64
,
72
,
80
,
88
,
96
,
104
,
112
,
};
#endif
/* AVCODEC_MPEG12DECDATA_H */
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