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89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
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/*
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* MSMPEG4 backend for encoder and decoder
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* copyright (c) 2001 Fabrice Bellard
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* copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* MSMPEG4 data tables.
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*/
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#ifndef AVCODEC_MSMPEG4DATA_H
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#define AVCODEC_MSMPEG4DATA_H
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#include "libavutil/common.h"
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#include "rl.h"
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#include "vlc.h"
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/* motion vector table */
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typedef struct MVTable {
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int n;
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const uint16_t *table_mv_code;
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const uint8_t *table_mv_bits;
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const uint8_t *table_mvx;
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const uint8_t *table_mvy;
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uint16_t *table_mv_index; /* encoding: convert mv to index in table_mv */
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VLC vlc; /* decoding: vlc */
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} MVTable;
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extern VLC ff_msmp4_mb_i_vlc;
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extern VLC ff_msmp4_dc_luma_vlc[2];
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extern VLC ff_msmp4_dc_chroma_vlc[2];
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/* intra picture macroblock coded block pattern */
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extern const uint16_t ff_msmp4_mb_i_table[64][2];
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#define WMV1_SCANTABLE_COUNT 4
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extern const uint8_t ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64];
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#define NB_RL_TABLES 6
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extern RLTable ff_rl_table[NB_RL_TABLES];
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extern uint8_t ff_static_rl_table_store[NB_RL_TABLES][2][2 * MAX_RUN + MAX_LEVEL + 3];
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extern uint32_t ff_v2_dc_lum_table[512][2];
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extern uint32_t ff_v2_dc_chroma_table[512][2];
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extern const uint8_t ff_wmv1_y_dc_scale_table[32];
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extern const uint8_t ff_wmv1_c_dc_scale_table[32];
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extern const uint8_t ff_old_ff_y_dc_scale_table[32];
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extern MVTable ff_mv_tables[2];
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extern const uint8_t ff_v2_mb_type[8][2];
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extern const uint8_t ff_v2_intra_cbpc[4][2];
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extern const uint32_t ff_table_mb_non_intra[128][2];
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extern const uint8_t ff_table_inter_intra[4][2];
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extern const uint32_t ff_table0_dc_lum[120][2];
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extern const uint32_t ff_table1_dc_lum[120][2];
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extern const uint32_t ff_table0_dc_chroma[120][2];
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extern const uint32_t ff_table1_dc_chroma[120][2];
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#define WMV2_INTER_CBP_TABLE_COUNT 4
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extern const uint32_t (* const ff_wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2];
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#endif /* AVCODEC_MSMPEG4DATA_H */
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