2 * MSMPEG4 backend for encoder and decoder
3 * copyright (c) 2001 Fabrice Bellard
4 * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at>
8 * This file is part of FFmpeg.
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.
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.
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
27 * MSMPEG4 data tables.
30 #ifndef AVCODEC_MSMPEG4DATA_H
31 #define AVCODEC_MSMPEG4DATA_H
33 #include "libavutil/common.h"
38 /* motion vector table */
39 typedef struct MVTable {
41 const uint16_t *table_mv_code;
42 const uint8_t *table_mv_bits;
43 const uint8_t *table_mvx;
44 const uint8_t *table_mvy;
45 uint16_t *table_mv_index; /* encoding: convert mv to index in table_mv */
46 VLC vlc; /* decoding: vlc */
49 extern VLC ff_msmp4_mb_i_vlc;
50 extern VLC ff_msmp4_dc_luma_vlc[2];
51 extern VLC ff_msmp4_dc_chroma_vlc[2];
53 /* intra picture macroblock coded block pattern */
54 extern const uint16_t ff_msmp4_mb_i_table[64][2];
56 #define WMV1_SCANTABLE_COUNT 4
58 extern const uint8_t ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64];
60 #define NB_RL_TABLES 6
62 extern RLTable ff_rl_table[NB_RL_TABLES];
63 extern uint8_t ff_static_rl_table_store[NB_RL_TABLES][2][2 * MAX_RUN + MAX_LEVEL + 3];
65 extern uint32_t ff_v2_dc_lum_table[512][2];
66 extern uint32_t ff_v2_dc_chroma_table[512][2];
68 extern const uint8_t ff_wmv1_y_dc_scale_table[32];
69 extern const uint8_t ff_wmv1_c_dc_scale_table[32];
70 extern const uint8_t ff_old_ff_y_dc_scale_table[32];
72 extern MVTable ff_mv_tables[2];
74 extern const uint8_t ff_v2_mb_type[8][2];
75 extern const uint8_t ff_v2_intra_cbpc[4][2];
77 extern const uint32_t ff_table_mb_non_intra[128][2];
78 extern const uint8_t ff_table_inter_intra[4][2];
80 extern const uint32_t ff_table0_dc_lum[120][2];
81 extern const uint32_t ff_table1_dc_lum[120][2];
82 extern const uint32_t ff_table0_dc_chroma[120][2];
83 extern const uint32_t ff_table1_dc_chroma[120][2];
85 #define WMV2_INTER_CBP_TABLE_COUNT 4
86 extern const uint32_t (* const ff_wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2];
88 #endif /* AVCODEC_MSMPEG4DATA_H */