1/* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19#ifndef AVCODEC_H264DATA_H 20#define AVCODEC_H264DATA_H 21 22#include <stdint.h> 23 24#include "libavutil/rational.h" 25#include "h264.h" 26 27extern const uint8_t ff_h264_golomb_to_pict_type[5]; 28extern const uint8_t ff_h264_golomb_to_intra4x4_cbp[48]; 29extern const uint8_t ff_h264_golomb_to_inter_cbp[48]; 30 31extern const uint8_t ff_h264_chroma_dc_scan[4]; 32extern const uint8_t ff_h264_chroma422_dc_scan[8]; 33 34typedef struct IMbInfo { 35 uint16_t type; 36 uint8_t pred_mode; 37 uint8_t cbp; 38} IMbInfo; 39 40extern const IMbInfo ff_h264_i_mb_type_info[26]; 41 42typedef struct PMbInfo { 43 uint16_t type; 44 uint8_t partition_count; 45} PMbInfo; 46 47extern const PMbInfo ff_h264_p_mb_type_info[5]; 48extern const PMbInfo ff_h264_p_sub_mb_type_info[4]; 49extern const PMbInfo ff_h264_b_mb_type_info[23]; 50extern const PMbInfo ff_h264_b_sub_mb_type_info[13]; 51 52static const AVRational ff_h264_pixel_aspect[17] = { 53 { 0, 1 }, 54 { 1, 1 }, 55 { 12, 11 }, 56 { 10, 11 }, 57 { 16, 11 }, 58 { 40, 33 }, 59 { 24, 11 }, 60 { 20, 11 }, 61 { 32, 11 }, 62 { 80, 33 }, 63 { 18, 11 }, 64 { 15, 11 }, 65 { 64, 33 }, 66 { 160, 99 }, 67 { 4, 3 }, 68 { 3, 2 }, 69 { 2, 1 }, 70}; 71 72extern const uint8_t ff_h264_dequant4_coeff_init[6][3]; 73extern const uint8_t ff_h264_dequant8_coeff_init_scan[16]; 74extern const uint8_t ff_h264_dequant8_coeff_init[6][6]; 75extern const uint8_t ff_h264_quant_rem6[QP_MAX_NUM + 1]; 76extern const uint8_t ff_h264_quant_div6[QP_MAX_NUM + 1]; 77 78extern const uint8_t ff_h264_chroma_qp[7][QP_MAX_NUM + 1]; 79 80#endif /* AVCODEC_H264DATA_H */ 81