|
|
|
|
/*
|
|
|
|
|
* MSMPEG4 backend for ffmpeg 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 msmpeg4data.h
|
|
|
|
|
* MSMPEG4 data tables.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef AVCODEC_MSMPEG4DATA_H
|
|
|
|
|
#define AVCODEC_MSMPEG4DATA_H
|
|
|
|
|
|
|
|
|
|
#include "libavutil/common.h"
|
|
|
|
|
#include "bitstream.h"
|
|
|
|
|
#include "rl.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 macro block coded block pattern */
|
|
|
|
|
extern const uint16_t ff_msmp4_mb_i_table[64][2];
|
|
|
|
|
|
|
|
|
|
extern const uint8_t cbpy_tab[16][2];
|
|
|
|
|
|
|
|
|
|
extern const uint8_t DCtab_lum[13][2];
|
|
|
|
|
extern const uint8_t DCtab_chrom[13][2];
|
|
|
|
|
|
|
|
|
|
extern const uint8_t mvtab[33][2];
|
|
|
|
|
|
|
|
|
|
extern const uint8_t intra_MCBPC_code[9];
|
|
|
|
|
extern const uint8_t intra_MCBPC_bits[9];
|
|
|
|
|
|
|
|
|
|
extern const uint8_t inter_MCBPC_code[28];
|
|
|
|
|
extern const uint8_t inter_MCBPC_bits[28];
|
|
|
|
|
|
|
|
|
|
#define WMV1_SCANTABLE_COUNT 4
|
|
|
|
|
|
|
|
|
|
extern const uint8_t wmv1_scantable[WMV1_SCANTABLE_COUNT][64];
|
|
|
|
|
|
|
|
|
|
#define NB_RL_TABLES 6
|
|
|
|
|
|
|
|
|
|
extern RLTable rl_table[NB_RL_TABLES];
|
|
|
|
|
|
|
|
|
|
extern const uint8_t wmv1_y_dc_scale_table[32];
|
|
|
|
|
extern const uint8_t wmv1_c_dc_scale_table[32];
|
|
|
|
|
extern const uint8_t old_ff_y_dc_scale_table[32];
|
|
|
|
|
|
|
|
|
|
extern MVTable mv_tables[2];
|
|
|
|
|
|
|
|
|
|
extern const uint8_t v2_mb_type[8][2];
|
|
|
|
|
extern const uint8_t v2_intra_cbpc[4][2];
|
|
|
|
|
|
|
|
|
|
extern const uint32_t table_mb_non_intra[128][2];
|
|
|
|
|
extern const uint8_t 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 (*wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2];
|
|
|
|
|
|
|
|
|
|
extern const uint8_t wmv2_scantableA[64];
|
|
|
|
|
extern const uint8_t wmv2_scantableB[64];
|
|
|
|
|
|
|
|
|
|
#endif /* AVCODEC_MSMPEG4DATA_H */
|
