/* * 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 * MSMPEG4 data tables. */ #ifndef AVCODEC_MSMPEG4DATA_H #define AVCODEC_MSMPEG4DATA_H #include "libavutil/common.h" #include "get_bits.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 macroblock coded block pattern */ extern const uint16_t ff_msmp4_mb_i_table[64][2]; #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 (* const 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 */