aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* MSMPEG4 backend for encoder and decoder
* copyright (c) 2001 Fabrice Bellard
* copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* MSMPEG4 data tables.
*/
#ifndef AVCODEC_MSMPEG4DATA_H
#define AVCODEC_MSMPEG4DATA_H
#include "libavutil/common.h"
#include "rl.h"
#include "vlc.h"
/* motion vector table */
typedef struct MVTable {
int n;
const uint16_t *table_mv_code;
const uint8_t *table_mv_bits;
const uint8_t *table_mvx;
const uint8_t *table_mvy;
uint16_t *table_mv_index; /* encoding: convert mv to index in table_mv */
VLC vlc; /* decoding: vlc */
} MVTable;
extern VLC ff_msmp4_mb_i_vlc;
extern VLC ff_msmp4_dc_luma_vlc[2];
extern VLC ff_msmp4_dc_chroma_vlc[2];
/* intra picture macroblock coded block pattern */
extern const uint16_t ff_msmp4_mb_i_table[64][2];
#define WMV1_SCANTABLE_COUNT 4
extern const uint8_t ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64];
#define NB_RL_TABLES 6
extern RLTable ff_rl_table[NB_RL_TABLES];
extern uint8_t ff_static_rl_table_store[NB_RL_TABLES][2][2 * MAX_RUN + MAX_LEVEL + 3];
extern uint32_t ff_v2_dc_lum_table[512][2];
extern uint32_t ff_v2_dc_chroma_table[512][2];
extern const uint8_t ff_wmv1_y_dc_scale_table[32];
extern const uint8_t ff_wmv1_c_dc_scale_table[32];
extern const uint8_t ff_old_ff_y_dc_scale_table[32];
extern MVTable ff_mv_tables[2];
extern const uint8_t ff_v2_mb_type[8][2];
extern const uint8_t ff_v2_intra_cbpc[4][2];
extern const uint32_t ff_table_mb_non_intra[128][2];
extern const uint8_t ff_table_inter_intra[4][2];
extern const uint32_t ff_table0_dc_lum[120][2];
extern const uint32_t ff_table1_dc_lum[120][2];
extern const uint32_t ff_table0_dc_chroma[120][2];
extern const uint32_t ff_table1_dc_chroma[120][2];
#define WMV2_INTER_CBP_TABLE_COUNT 4
extern const uint32_t (* const ff_wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2];
#endif /* AVCODEC_MSMPEG4DATA_H */
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