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 extern const uint8_t old_ff_c_dc_scale_table[32];
  80
  81 extern MVTable mv_tables[2];
  82
  83 extern const uint8_t v2_mb_type[8][2];
  84 extern const uint8_t v2_intra_cbpc[4][2];
  85
  86 extern const uint32_t table_mb_non_intra[128][2];
  87 extern const uint8_t  table_inter_intra[4][2];
  88
  89 extern const uint32_t ff_table0_dc_lum[120][2];
  90 extern const uint32_t ff_table1_dc_lum[120][2];
  91 extern const uint32_t ff_table0_dc_chroma[120][2];
  92 extern const uint32_t ff_table1_dc_chroma[120][2];
  93
  94 #define WMV2_INTER_CBP_TABLE_COUNT 4
  95 extern const uint32_t (*wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2];
  96
  97 extern const uint8_t wmv2_scantableA[64];
  98 extern const uint8_t wmv2_scantableB[64];
  99
 100 #endif /* FFMPEG_MSMPEG4DATA_H */