FFmpeg 5.1.6
hdr_dynamic_vivid_metadata.h
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1/*
2 * Copyright (c) 2021 Limin Wang <lance.lmwang at gmail.com>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef AVUTIL_HDR_DYNAMIC_VIVID_METADATA_H
22#define AVUTIL_HDR_DYNAMIC_VIVID_METADATA_H
23
24#include "frame.h"
25#include "rational.h"
26
27/**
28 * Color tone mapping parameters at a processing window in a dynamic metadata for
29 * CUVA 005.1:2021.
30 */
32 /**
33 * The nominal maximum display luminance of the targeted system display,
34 * in multiples of 1.0/4095 candelas per square metre. The value shall be in
35 * the range of 0.0 to 1.0, inclusive.
36 */
38
39 /**
40 * This flag indicates that transfer the base paramter(for value of 1)
41 */
43
44 /**
45 * base_param_m_p in the base parameter,
46 * in multiples of 1.0/16383. The value shall be in
47 * the range of 0.0 to 1.0, inclusive.
48 */
50
51 /**
52 * base_param_m_m in the base parameter,
53 * in multiples of 1.0/10. The value shall be in
54 * the range of 0.0 to 6.3, inclusive.
55 */
57
58 /**
59 * base_param_m_a in the base parameter,
60 * in multiples of 1.0/1023. The value shall be in
61 * the range of 0.0 to 1.0 inclusive.
62 */
64
65 /**
66 * base_param_m_b in the base parameter,
67 * in multiples of 1/1023. The value shall be in
68 * the range of 0.0 to 1.0, inclusive.
69 */
71
72 /**
73 * base_param_m_n in the base parameter,
74 * in multiples of 1.0/10. The value shall be in
75 * the range of 0.0 to 6.3, inclusive.
76 */
78
79 /**
80 * indicates k1_0 in the base parameter,
81 * base_param_k1 <= 1: k1_0 = base_param_k1
82 * base_param_k1 > 1: reserved
83 */
85
86 /**
87 * indicates k2_0 in the base parameter,
88 * base_param_k2 <= 1: k2_0 = base_param_k2
89 * base_param_k2 > 1: reserved
90 */
92
93 /**
94 * indicates k3_0 in the base parameter,
95 * base_param_k3 == 1: k3_0 = base_param_k3
96 * base_param_k3 == 2: k3_0 = maximum_maxrgb
97 * base_param_k3 > 2: reserved
98 */
100
101 /**
102 * This flag indicates that delta mode of base paramter(for value of 1)
103 */
105
106 /**
107 * base_param_Delta in the base parameter,
108 * in multiples of 1.0/127. The value shall be in
109 * the range of 0.0 to 1.0, inclusive.
110 */
112
113 /**
114 * indicates 3Spline_enable_flag in the base parameter,
115 * This flag indicates that transfer three Spline of base paramter(for value of 1)
116 */
118
119 /**
120 * The number of three Spline. The value shall be in the range
121 * of 1 to 2, inclusive.
122 */
124
125 /**
126 * The mode of three Spline. the value shall be in the range
127 * of 0 to 3, inclusive.
128 */
130
131 /**
132 * three_Spline_TH_enable_MB is in the range of 0.0 to 1.0, inclusive
133 * and in multiples of 1.0/255.
134 *
135 */
137
138 /**
139 * 3Spline_TH_enable of three Spline.
140 * The value shall be in the range of 0.0 to 1.0, inclusive.
141 * and in multiples of 1.0/4095.
142 */
144
145 /**
146 * 3Spline_TH_Delta1 of three Spline.
147 * The value shall be in the range of 0.0 to 0.25, inclusive,
148 * and in multiples of 0.25/1023.
149 */
151
152 /**
153 * 3Spline_TH_Delta2 of three Spline.
154 * The value shall be in the range of 0.0 to 0.25, inclusive,
155 * and in multiples of 0.25/1023.
156 */
158
159 /**
160 * 3Spline_enable_Strength of three Spline.
161 * The value shall be in the range of 0.0 to 1.0, inclusive,
162 * and in multiples of 1.0/255.
163 */
166
167
168/**
169 * Color transform parameters at a processing window in a dynamic metadata for
170 * CUVA 005.1:2021.
171 */
173 /**
174 * Indicates the minimum brightness of the displayed content.
175 * The values should be in the range of 0.0 to 1.0,
176 * inclusive and in multiples of 1/4095.
177 */
179
180 /**
181 * Indicates the average brightness of the displayed content.
182 * The values should be in the range of 0.0 to 1.0,
183 * inclusive and in multiples of 1/4095.
184 */
186
187 /**
188 * Indicates the variance brightness of the displayed content.
189 * The values should be in the range of 0.0 to 1.0,
190 * inclusive and in multiples of 1/4095.
191 */
193
194 /**
195 * Indicates the maximum brightness of the displayed content.
196 * The values should be in the range of 0.0 to 1.0, inclusive
197 * and in multiples of 1/4095.
198 */
200
201 /**
202 * This flag indicates that the metadata for the tone mapping function in
203 * the processing window is present (for value of 1).
204 */
206
207 /**
208 * The number of tone mapping param. The value shall be in the range
209 * of 1 to 2, inclusive.
210 */
212
213 /**
214 * The color tone mapping parameters.
215 */
217
218 /**
219 * This flag indicates that the metadata for the color saturation mapping in
220 * the processing window is present (for value of 1).
221 */
223
224 /**
225 * The number of color saturation param. The value shall be in the range
226 * of 0 to 7, inclusive.
227 */
229
230 /**
231 * Indicates the color correction strength parameter.
232 * The values should be in the range of 0.0 to 2.0, inclusive
233 * and in multiples of 1/128.
234 */
237
238/**
239 * This struct represents dynamic metadata for color volume transform -
240 * CUVA 005.1:2021 standard
241 *
242 * To be used as payload of a AVFrameSideData or AVPacketSideData with the
243 * appropriate type.
244 *
245 * @note The struct should be allocated with
246 * av_dynamic_hdr_vivid_alloc() and its size is not a part of
247 * the public ABI.
248 */
249typedef struct AVDynamicHDRVivid {
250 /**
251 * The system start code. The value shall be set to 0x01.
252 */
254
255 /**
256 * The number of processing windows. The value shall be set to 0x01
257 * if the system_start_code is 0x01.
258 */
259 uint8_t num_windows;
260
261 /**
262 * The color transform parameters for every processing window.
263 */
266
267/**
268 * Allocate an AVDynamicHDRVivid structure and set its fields to
269 * default values. The resulting struct can be freed using av_freep().
270 *
271 * @return An AVDynamicHDRVivid filled with default values or NULL
272 * on failure.
273 */
275
276/**
277 * Allocate a complete AVDynamicHDRVivid and add it to the frame.
278 * @param frame The frame which side data is added to.
279 *
280 * @return The AVDynamicHDRVivid structure to be filled by caller or NULL
281 * on failure.
282 */
284
285#endif /* AVUTIL_HDR_DYNAMIC_VIVID_METADATA_H */
static AVFrame * frame
reference-counted frame API
AVDynamicHDRVivid * av_dynamic_hdr_vivid_create_side_data(AVFrame *frame)
Allocate a complete AVDynamicHDRVivid and add it to the frame.
AVDynamicHDRVivid * av_dynamic_hdr_vivid_alloc(size_t *size)
Allocate an AVDynamicHDRVivid structure and set its fields to default values.
Utilties for rational number calculation.
This struct represents dynamic metadata for color volume transform - CUVA 005.1:2021 standard.
uint8_t num_windows
The number of processing windows.
uint8_t system_start_code
The system start code.
AVHDRVividColorTransformParams params[3]
The color transform parameters for every processing window.
This structure describes decoded (raw) audio or video data.
Definition: frame.h:325
Color tone mapping parameters at a processing window in a dynamic metadata for CUVA 005....
AVRational three_Spline_TH_Delta1
3Spline_TH_Delta1 of three Spline.
int three_Spline_TH_mode
The mode of three Spline.
int three_Spline_enable_flag
indicates 3Spline_enable_flag in the base parameter, This flag indicates that transfer three Spline o...
int base_param_k1
indicates k1_0 in the base parameter, base_param_k1 <= 1: k1_0 = base_param_k1 base_param_k1 > 1: res...
AVRational base_param_m_m
base_param_m_m in the base parameter, in multiples of 1.0/10.
AVRational base_param_m_p
base_param_m_p in the base parameter, in multiples of 1.0/16383.
int base_param_k3
indicates k3_0 in the base parameter, base_param_k3 == 1: k3_0 = base_param_k3 base_param_k3 == 2: k3...
AVRational three_Spline_TH_Delta2
3Spline_TH_Delta2 of three Spline.
AVRational base_param_m_b
base_param_m_b in the base parameter, in multiples of 1/1023.
AVRational base_param_m_a
base_param_m_a in the base parameter, in multiples of 1.0/1023.
AVRational three_Spline_TH_enable
3Spline_TH_enable of three Spline.
AVRational base_param_Delta
base_param_Delta in the base parameter, in multiples of 1.0/127.
int three_Spline_num
The number of three Spline.
AVRational base_param_m_n
base_param_m_n in the base parameter, in multiples of 1.0/10.
AVRational three_Spline_enable_Strength
3Spline_enable_Strength of three Spline.
int base_param_k2
indicates k2_0 in the base parameter, base_param_k2 <= 1: k2_0 = base_param_k2 base_param_k2 > 1: res...
AVRational targeted_system_display_maximum_luminance
The nominal maximum display luminance of the targeted system display, in multiples of 1....
AVRational three_Spline_TH_enable_MB
three_Spline_TH_enable_MB is in the range of 0.0 to 1.0, inclusive and in multiples of 1....
int base_enable_flag
This flag indicates that transfer the base paramter(for value of 1)
int base_param_Delta_enable_mode
This flag indicates that delta mode of base paramter(for value of 1)
Color transform parameters at a processing window in a dynamic metadata for CUVA 005....
AVRational variance_maxrgb
Indicates the variance brightness of the displayed content.
AVHDRVividColorToneMappingParams tm_params[2]
The color tone mapping parameters.
AVRational color_saturation_gain[8]
Indicates the color correction strength parameter.
AVRational average_maxrgb
Indicates the average brightness of the displayed content.
int tone_mapping_mode_flag
This flag indicates that the metadata for the tone mapping function in the processing window is prese...
AVRational minimum_maxrgb
Indicates the minimum brightness of the displayed content.
int color_saturation_num
The number of color saturation param.
int color_saturation_mapping_flag
This flag indicates that the metadata for the color saturation mapping in the processing window is pr...
AVRational maximum_maxrgb
Indicates the maximum brightness of the displayed content.
int tone_mapping_param_num
The number of tone mapping param.
Rational number (pair of numerator and denominator).
Definition: rational.h:58