0234027288077c6f9c24bc85d4f1414a07e2b2bf
[libav.git] / libavcodec / msmpeg4data.h
1 /*
2 * MSMPEG4 backend for ffmpeg 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 FFmpeg.
9 *
10 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25 /**
26 * @file msmpeg4data.h
27 * MSMPEG4 data tables.
28 */
29
30 #ifndef FFMPEG_MSMPEG4DATA_H
31 #define FFMPEG_MSMPEG4DATA_H
32
33 #include "libavutil/common.h"
34 #include "bitstream.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 macro block coded block pattern */
53 extern const uint16_t ff_msmp4_mb_i_table[64][2];
54
55 extern const uint8_t cbpy_tab[16][2];
56
57 extern const uint8_t DCtab_lum[13][2];
58 extern const uint8_t DCtab_chrom[13][2];
59
60 extern const uint8_t mvtab[33][2];
61
62 extern const uint8_t intra_MCBPC_code[9];
63 extern const uint8_t intra_MCBPC_bits[9];
64
65 extern const uint8_t inter_MCBPC_code[28];
66 extern const uint8_t inter_MCBPC_bits[28];
67
68 #define WMV1_SCANTABLE_COUNT 4
69
70 extern const uint8_t wmv1_scantable[WMV1_SCANTABLE_COUNT][64];
71
72 #define NB_RL_TABLES 6
73
74 extern RLTable rl_table[NB_RL_TABLES];
75
76 extern const uint8_t wmv1_y_dc_scale_table[32];
77 extern const uint8_t wmv1_c_dc_scale_table[32];
78 extern const uint8_t old_ff_y_dc_scale_table[32];
79
80 extern MVTable mv_tables[2];
81
82 extern const uint8_t v2_mb_type[8][2];
83 extern const uint8_t v2_intra_cbpc[4][2];
84
85 extern const uint32_t table_mb_non_intra[128][2];
86 extern const uint8_t table_inter_intra[4][2];
87
88 extern const uint32_t ff_table0_dc_lum[120][2];
89 extern const uint32_t ff_table1_dc_lum[120][2];
90 extern const uint32_t ff_table0_dc_chroma[120][2];
91 extern const uint32_t ff_table1_dc_chroma[120][2];
92
93 #define WMV2_INTER_CBP_TABLE_COUNT 4
94 extern const uint32_t (*wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2];
95
96 extern const uint8_t wmv2_scantableA[64];
97 extern const uint8_t wmv2_scantableB[64];
98
99 #endif /* FFMPEG_MSMPEG4DATA_H */