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_H264_LEVELS_H 20 #define AVCODEC_H264_LEVELS_H 21 22 23 #include <stdint.h> 24 25 typedef struct H264LevelDescriptor { 26 const char *name; 27 uint8_t level_idc; 28 uint8_t constraint_set3_flag; 29 uint32_t max_mbps; 30 uint32_t max_fs; 31 uint32_t max_dpb_mbs; 32 uint32_t max_br; 33 uint32_t max_cpb; 34 uint16_t max_v_mv_r; 35 uint8_t min_cr; 36 uint8_t max_mvs_per_2mb; 37 } H264LevelDescriptor; 38 39 /** 40 * Guess the level of a stream from some parameters. 41 * 42 * Unknown parameters may be zero, in which case they are ignored. 43 */ 44 const H264LevelDescriptor *ff_h264_guess_level(int profile_idc, 45 int64_t bitrate, 46 int framerate, 47 int width, int height, 48 int max_dec_frame_buffering); 49 50 51 #endif /* AVCODEC_H264_LEVELS_H */ 52