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 "h264dec.h" 25 26 extern const uint8_t ff_h264_golomb_to_pict_type[5]; 27 extern const uint8_t ff_h264_golomb_to_intra4x4_cbp[48]; 28 extern const uint8_t ff_h264_golomb_to_inter_cbp[48]; 29 30 extern const uint8_t ff_h264_chroma_dc_scan[4]; 31 extern const uint8_t ff_h264_chroma422_dc_scan[8]; 32 33 typedef struct IMbInfo { 34 uint16_t type; 35 uint8_t pred_mode; 36 uint8_t cbp; 37 } IMbInfo; 38 39 extern const IMbInfo ff_h264_i_mb_type_info[26]; 40 41 typedef struct PMbInfo { 42 uint16_t type; 43 uint8_t partition_count; 44 } PMbInfo; 45 46 extern const PMbInfo ff_h264_p_mb_type_info[5]; 47 extern const PMbInfo ff_h264_p_sub_mb_type_info[4]; 48 extern const PMbInfo ff_h264_b_mb_type_info[23]; 49 extern const PMbInfo ff_h264_b_sub_mb_type_info[13]; 50 51 static const AVRational ff_h264_pixel_aspect[17] = { 52 { 0, 1 }, 53 { 1, 1 }, 54 { 12, 11 }, 55 { 10, 11 }, 56 { 16, 11 }, 57 { 40, 33 }, 58 { 24, 11 }, 59 { 20, 11 }, 60 { 32, 11 }, 61 { 80, 33 }, 62 { 18, 11 }, 63 { 15, 11 }, 64 { 64, 33 }, 65 { 160, 99 }, 66 { 4, 3 }, 67 { 3, 2 }, 68 { 2, 1 }, 69 }; 70 71 extern const uint8_t ff_h264_dequant4_coeff_init[6][3]; 72 extern const uint8_t ff_h264_dequant8_coeff_init_scan[16]; 73 extern const uint8_t ff_h264_dequant8_coeff_init[6][6]; 74 extern const uint8_t ff_h264_quant_rem6[QP_MAX_NUM + 1]; 75 extern const uint8_t ff_h264_quant_div6[QP_MAX_NUM + 1]; 76 77 extern const uint8_t ff_h264_chroma_qp[7][QP_MAX_NUM + 1]; 78 79 #endif /* AVCODEC_H264DATA_H */ 80