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 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 27 * MSMPEG4 data tables. 28 */ 29 30 #ifndef AVCODEC_MSMPEG4DATA_H 31 #define AVCODEC_MSMPEG4DATA_H 32 33 #include "libavutil/common.h" 34 35 #include "rl.h" 36 #include "vlc.h" 37 38 /* motion vector table */ 39 typedef struct MVTable { 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 ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64]; 58 59 #define NB_RL_TABLES 6 60 61 extern RLTable ff_rl_table[NB_RL_TABLES]; 62 extern uint8_t ff_static_rl_table_store[NB_RL_TABLES][2][2 * MAX_RUN + MAX_LEVEL + 3]; 63 64 extern uint32_t ff_v2_dc_lum_table[512][2]; 65 extern uint32_t ff_v2_dc_chroma_table[512][2]; 66 67 extern const uint8_t ff_wmv1_y_dc_scale_table[32]; 68 extern const uint8_t ff_wmv1_c_dc_scale_table[32]; 69 extern const uint8_t ff_old_ff_y_dc_scale_table[32]; 70 71 #define MSMPEG4_MV_TABLES_NB_ELEMS 1099 72 extern MVTable ff_mv_tables[2]; 73 74 extern const uint8_t ff_v2_mb_type[8][2]; 75 extern const uint8_t ff_v2_intra_cbpc[4][2]; 76 77 extern const uint32_t ff_table_mb_non_intra[128][2]; 78 extern const uint8_t ff_table_inter_intra[4][2]; 79 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]; 84 85 #define WMV2_INTER_CBP_TABLE_COUNT 4 86 extern const uint32_t (* const ff_wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2]; 87 88 #endif /* AVCODEC_MSMPEG4DATA_H */ 89