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_H265_PROFILE_LEVEL_H
20#define AVCODEC_H265_PROFILE_LEVEL_H
21
22#include <stdint.h>
23
24#include "cbs_h265.h"
25
26
27typedef struct H265LevelDescriptor {
28    char        name[4];    // Large enough for all current levels like "4.1"
29    uint8_t     level_idc;
30
31    // Table A.6.
32    uint32_t    max_luma_ps;
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;
38
39    // Table A.7.
40    uint32_t    max_luma_sr;
41    uint32_t    max_br_main;
42    uint32_t    max_br_high;
43    uint8_t     min_cr_base_main;
44    uint8_t     min_cr_base_high;
45} H265LevelDescriptor;
46
47typedef struct H265ProfileDescriptor {
48    const char *name;
49    uint8_t profile_idc;
50    uint8_t high_throughput;
51
52    // Tables A.2, A.3 and A.5.
53    uint8_t max_14bit;
54    uint8_t max_12bit;
55    uint8_t max_10bit;
56    uint8_t max_8bit;
57    uint8_t max_422chroma;
58    uint8_t max_420chroma;
59    uint8_t max_monochrome;
60    uint8_t intra;
61    uint8_t one_picture_only;
62    uint8_t lower_bit_rate;
63
64    // Table A.8.
65    uint16_t cpb_vcl_factor;
66    uint16_t cpb_nal_factor;
67    float format_capability_factor;
68    float min_cr_scale_factor;
69    uint8_t max_dpb_pic_buf;
70} H265ProfileDescriptor;
71
72
73const H265ProfileDescriptor *ff_h265_get_profile(const H265RawProfileTierLevel *ptl);
74
75
76/**
77 * Guess the level of a stream from some parameters.
78 *
79 * Unknown parameters may be zero, in which case they are ignored.
80 */
81const H265LevelDescriptor *ff_h265_guess_level(const H265RawProfileTierLevel *ptl,
82                                               int64_t bitrate,
83                                               int width, int height,
84                                               int slice_segments,
85                                               int tile_rows, int tile_cols,
86                                               int max_dec_pic_buffering);
87
88#endif /* AVCODEC_H265_PROFILE_LEVEL_H */
89