msmpeg4data.h
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1 /*
2  * MSMPEG4 backend for encoder and decoder
3  * copyright (c) 2001 Fabrice Bellard
4  * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5  *
6  * msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at>
7  *
8  * This file is part of Libav.
9  *
10  * Libav is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU Lesser General Public
12  * License as published by the Free Software Foundation; either
13  * version 2.1 of the License, or (at your option) any later version.
14  *
15  * Libav is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18  * Lesser General Public License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public
21  * License along with Libav; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23  */
24 
30 #ifndef AVCODEC_MSMPEG4DATA_H
31 #define AVCODEC_MSMPEG4DATA_H
32 
33 #include "libavutil/common.h"
34 #include "get_bits.h"
35 #include "rl.h"
36 
37 /* motion vector table */
38 typedef struct MVTable {
39  int n;
40  const uint16_t *table_mv_code;
41  const uint8_t *table_mv_bits;
42  const uint8_t *table_mvx;
43  const uint8_t *table_mvy;
44  uint16_t *table_mv_index; /* encoding: convert mv to index in table_mv */
45  VLC vlc; /* decoding: vlc */
46 } MVTable;
47 
48 extern VLC ff_msmp4_mb_i_vlc;
49 extern VLC ff_msmp4_dc_luma_vlc[2];
50 extern VLC ff_msmp4_dc_chroma_vlc[2];
51 
52 /* intra picture macroblock coded block pattern */
53 extern const uint16_t ff_msmp4_mb_i_table[64][2];
54 
55 #define WMV1_SCANTABLE_COUNT 4
56 
57 extern const uint8_t wmv1_scantable[WMV1_SCANTABLE_COUNT][64];
58 
59 #define NB_RL_TABLES 6
60 
62 
63 extern const uint8_t wmv1_y_dc_scale_table[32];
64 extern const uint8_t wmv1_c_dc_scale_table[32];
65 extern const uint8_t old_ff_y_dc_scale_table[32];
66 
67 extern MVTable mv_tables[2];
68 
69 extern const uint8_t v2_mb_type[8][2];
70 extern const uint8_t v2_intra_cbpc[4][2];
71 
72 extern const uint32_t table_mb_non_intra[128][2];
73 extern const uint8_t table_inter_intra[4][2];
74 
75 extern const uint32_t ff_table0_dc_lum[120][2];
76 extern const uint32_t ff_table1_dc_lum[120][2];
77 extern const uint32_t ff_table0_dc_chroma[120][2];
78 extern const uint32_t ff_table1_dc_chroma[120][2];
79 
80 #define WMV2_INTER_CBP_TABLE_COUNT 4
81 extern const uint32_t (* const wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2];
82 
83 extern const uint8_t wmv2_scantableA[64];
84 extern const uint8_t wmv2_scantableB[64];
85 
86 #endif /* AVCODEC_MSMPEG4DATA_H */
const uint32_t ff_table0_dc_lum[120][2]
Definition: msmpeg4data.c:94
const uint8_t wmv2_scantableB[64]
Definition: msmpeg4data.c:1996
#define NB_RL_TABLES
Definition: msmpeg4data.h:59
RLTable.
Definition: rl.h:38
const uint8_t v2_mb_type[8][2]
Definition: msmpeg4data.c:1804
bitstream reader API header.
MVTable mv_tables[2]
Definition: msmpeg4data.c:1787
const uint32_t ff_table0_dc_chroma[120][2]
Definition: msmpeg4data.c:127
#define WMV2_INTER_CBP_TABLE_COUNT
Definition: msmpeg4data.h:80
const uint32_t table_mb_non_intra[128][2]
Definition: msmpeg4data.c:57
rl header.
struct MVTable MVTable
Definition: get_bits.h:63
const uint8_t wmv1_scantable[WMV1_SCANTABLE_COUNT][64]
Definition: msmpeg4data.c:1827
const uint8_t wmv2_scantableA[64]
Definition: msmpeg4data.c:1989
#define WMV1_SCANTABLE_COUNT
Definition: msmpeg4data.h:55
const uint16_t ff_msmp4_mb_i_table[64][2]
Definition: msmpeg4data.c:37
const uint8_t * table_mvx
Definition: msmpeg4data.h:42
const uint32_t ff_table1_dc_chroma[120][2]
Definition: msmpeg4data.c:195
const uint8_t * table_mv_bits
Definition: msmpeg4data.h:41
const uint32_t ff_table1_dc_lum[120][2]
Definition: msmpeg4data.c:162
uint16_t * table_mv_index
Definition: msmpeg4data.h:44
const uint8_t old_ff_y_dc_scale_table[32]
Definition: msmpeg4data.c:1822
const uint8_t v2_intra_cbpc[4][2]
Definition: msmpeg4data.c:1809
const uint16_t * table_mv_code
Definition: msmpeg4data.h:40
const uint32_t(*const [WMV2_INTER_CBP_TABLE_COUNT] wmv2_inter_table)[2]
Definition: msmpeg4data.c:1982
VLC vlc
Definition: msmpeg4data.h:45
VLC ff_msmp4_dc_chroma_vlc[2]
Definition: msmpeg4data.c:34
const uint8_t wmv1_c_dc_scale_table[32]
Definition: msmpeg4data.c:1817
common internal and external API header
RLTable rl_table[NB_RL_TABLES]
Definition: msmpeg4data.c:603
const uint8_t table_inter_intra[4][2]
Definition: msmpeg4data.c:1870
VLC ff_msmp4_mb_i_vlc
Definition: msmpeg4data.c:32
const uint8_t * table_mvy
Definition: msmpeg4data.h:43
VLC ff_msmp4_dc_luma_vlc[2]
Definition: msmpeg4data.c:33
const uint8_t wmv1_y_dc_scale_table[32]
Definition: msmpeg4data.c:1813