1 /* 2 * MPEG-4 encoder/decoder data. 3 * Copyright (c) 2000,2001 Fabrice Bellard 4 * Copyright (c) 2002-2010 Michael Niedermayer <michaelni@gmx.at> 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 #ifndef AVCODEC_MPEG4VIDEODATA_H 24 #define AVCODEC_MPEG4VIDEODATA_H 25 26 #include <stdint.h> 27 #include "rl.h" 28 29 /* dc encoding for MPEG-4 */ 30 extern const uint8_t ff_mpeg4_DCtab_lum[13][2]; 31 extern const uint8_t ff_mpeg4_DCtab_chrom[13][2]; 32 33 extern const uint16_t ff_mpeg4_intra_vlc[103][2]; 34 extern const int8_t ff_mpeg4_intra_level[102]; 35 extern const int8_t ff_mpeg4_intra_run[102]; 36 37 extern RLTable ff_mpeg4_rl_intra; 38 void ff_mpeg4_init_rl_intra(void); 39 40 /* Note this is identical to the intra rvlc except that it is reordered. */ 41 extern RLTable ff_rvlc_rl_inter; 42 extern RLTable ff_rvlc_rl_intra; 43 44 extern const uint8_t ff_sprite_trajectory_lens[15]; 45 extern const uint8_t ff_mb_type_b_tab[4][2]; 46 47 /* these matrixes will be permuted for the idct */ 48 extern const int16_t ff_mpeg4_default_intra_matrix[64]; 49 extern const int16_t ff_mpeg4_default_non_intra_matrix[64]; 50 51 extern const uint8_t ff_mpeg4_y_dc_scale_table[32]; 52 extern const uint8_t ff_mpeg4_c_dc_scale_table[32]; 53 extern const uint16_t ff_mpeg4_resync_prefix[8]; 54 55 extern const uint8_t ff_mpeg4_dc_threshold[8]; 56 57 extern const uint8_t ff_mpeg4_studio_dc_luma[19][2]; 58 extern const uint8_t ff_mpeg4_studio_dc_chroma[19][2]; 59 extern const uint8_t ff_mpeg4_studio_intra[12][24][2]; 60 61 #endif /* AVCODEC_MPEG4VIDEO_H */ 62