ffmpeg/libavcodec/msmpeg4data.h

   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 #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 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 extern MVTable ff_mv_tables[2];
  72
  73 extern const uint8_t ff_v2_mb_type[8][2];
  74 extern const uint8_t ff_v2_intra_cbpc[4][2];
  75
  76 extern const uint32_t ff_table_mb_non_intra[128][2];
  77 extern const uint8_t  ff_table_inter_intra[4][2];
  78
  79 extern const uint32_t ff_table0_dc_lum[120][2];
  80 extern const uint32_t ff_table1_dc_lum[120][2];
  81 extern const uint32_t ff_table0_dc_chroma[120][2];
  82 extern const uint32_t ff_table1_dc_chroma[120][2];
  83
  84 #define WMV2_INTER_CBP_TABLE_COUNT 4
  85 extern const uint32_t (* const ff_wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2];
  86
  87 extern const uint8_t ff_wmv2_scantableA[64];
  88 extern const uint8_t ff_wmv2_scantableB[64];
  89
  90 #endif /* AVCODEC_MSMPEG4DATA_H */