2 * This file is part of FFmpeg.
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.
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.
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
19 #ifndef AVCODEC_H265_PROFILE_LEVEL_H
20 #define AVCODEC_H265_PROFILE_LEVEL_H
27 typedef struct H265LevelDescriptor {
33 uint32_t max_cpb_main;
34 uint32_t max_cpb_high;
35 uint16_t max_slice_segments_per_picture;
36 uint8_t max_tile_rows;
37 uint8_t max_tile_cols;
43 uint8_t min_cr_base_main;
44 uint8_t min_cr_base_high;
45 } H265LevelDescriptor;
47 typedef struct H265ProfileDescriptor {
50 uint8_t high_throughput;
52 // Tables A.2, A.3 and A.5.
57 uint8_t max_422chroma;
58 uint8_t max_420chroma;
59 uint8_t max_monochrome;
61 uint8_t one_picture_only;
62 uint8_t lower_bit_rate;
65 uint16_t cpb_vcl_factor;
66 uint16_t cpb_nal_factor;
67 float format_capability_factor;
68 float min_cr_scale_factor;
69 } H265ProfileDescriptor;
72 const H265LevelDescriptor *ff_h265_get_level(int level_idc);
74 const H265ProfileDescriptor *ff_h265_get_profile(const H265RawProfileTierLevel *ptl);
78 * Guess the level of a stream from some parameters.
80 * Unknown parameters may be zero, in which case they are ignored.
82 const H265LevelDescriptor *ff_h265_guess_level(const H265RawProfileTierLevel *ptl,
84 int width, int height,
86 int tile_rows, int tile_cols,
87 int max_dec_pic_buffering);
89 #endif /* AVCODEC_H265_PROFILE_LEVEL_H */