1 /* 2 * AVS2 related definitions 3 * 4 * Copyright (C) 2022 Zhao Zhili, <zhilizhao@tencent.com> 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_AVS2_H 24 #define AVCODEC_AVS2_H 25 26 #include "libavutil/rational.h" 27 28 #define AVS2_SLICE_MAX_START_CODE 0x000001AF 29 30 enum { 31 AVS2_SEQ_START_CODE = 0xB0, 32 AVS2_SEQ_END_CODE = 0xB1, 33 AVS2_USER_DATA_START_CODE = 0xB2, 34 AVS2_INTRA_PIC_START_CODE = 0xB3, 35 // reserved = 0xB4, 36 AVS2_EXTENSION_START_CODE = 0xB5, 37 AVS2_INTER_PIC_START_CODE = 0xB6, 38 }; 39 40 #define AVS2_ISPIC(x) ((x) == AVS2_INTRA_PIC_START_CODE || (x) == AVS2_INTER_PIC_START_CODE) 41 #define AVS2_ISUNIT(x) ((x) == AVS2_SEQ_START_CODE || AVS2_ISPIC(x)) 42 43 enum AVS2Profile { 44 AVS2_PROFILE_MAIN_PIC = 0x12, 45 AVS2_PROFILE_MAIN = 0x20, 46 AVS2_PROFILE_MAIN10 = 0x22, 47 }; 48 49 extern const AVRational ff_avs2_frame_rate_tab[16]; 50 51 #endif 52