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1 | /** | ||
2 | * Copyright (c) 2016 Neil Birkbeck <neil.birkbeck@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 | #include <stddef.h> | ||
22 | #include <stdint.h> | ||
23 | #include <string.h> | ||
24 | |||
25 | #include "mastering_display_metadata.h" | ||
26 | #include "mem.h" | ||
27 | |||
28 | 37 | static void get_defaults(AVMasteringDisplayMetadata *mastering) | |
29 | { | ||
30 |
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148 | for (int i = 0; i < 3; i++) |
31 |
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333 | for (int j = 0; j < 2; j++) |
32 | 222 | mastering->display_primaries[i][j] = (AVRational) { 0, 1 }; | |
33 | 37 | mastering->white_point[0] = | |
34 | 37 | mastering->white_point[1] = | |
35 | 37 | mastering->min_luminance = | |
36 | 37 | mastering->max_luminance = (AVRational) { 0, 1 }; | |
37 | 37 | } | |
38 | |||
39 | ✗ | AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void) | |
40 | { | ||
41 | ✗ | return av_mastering_display_metadata_alloc_size(NULL); | |
42 | } | ||
43 | |||
44 | 35 | AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc_size(size_t *size) | |
45 | { | ||
46 | 35 | AVMasteringDisplayMetadata *mastering = av_mallocz(sizeof(AVMasteringDisplayMetadata)); | |
47 |
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35 | if (!mastering) |
48 | ✗ | return NULL; | |
49 | |||
50 | 35 | get_defaults(mastering); | |
51 | |||
52 |
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35 | if (size) |
53 | 35 | *size = sizeof(*mastering); | |
54 | |||
55 | 35 | return mastering; | |
56 | } | ||
57 | |||
58 | 2 | AVMasteringDisplayMetadata *av_mastering_display_metadata_create_side_data(AVFrame *frame) | |
59 | { | ||
60 | 2 | AVFrameSideData *side_data = av_frame_new_side_data(frame, | |
61 | AV_FRAME_DATA_MASTERING_DISPLAY_METADATA, | ||
62 | sizeof(AVMasteringDisplayMetadata)); | ||
63 |
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2 | if (!side_data) |
64 | ✗ | return NULL; | |
65 | |||
66 | 2 | memset(side_data->data, 0, sizeof(AVMasteringDisplayMetadata)); | |
67 | 2 | get_defaults((AVMasteringDisplayMetadata *)side_data->data); | |
68 | |||
69 | 2 | return (AVMasteringDisplayMetadata *)side_data->data; | |
70 | } | ||
71 | |||
72 | 17 | AVContentLightMetadata *av_content_light_metadata_alloc(size_t *size) | |
73 | { | ||
74 | 17 | AVContentLightMetadata *metadata = av_mallocz(sizeof(AVContentLightMetadata)); | |
75 | |||
76 |
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17 | if (size) |
77 | 17 | *size = sizeof(*metadata); | |
78 | |||
79 | 17 | return metadata; | |
80 | } | ||
81 | |||
82 | 2 | AVContentLightMetadata *av_content_light_metadata_create_side_data(AVFrame *frame) | |
83 | { | ||
84 | 2 | AVFrameSideData *side_data = av_frame_new_side_data(frame, | |
85 | AV_FRAME_DATA_CONTENT_LIGHT_LEVEL, | ||
86 | sizeof(AVContentLightMetadata)); | ||
87 |
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2 | if (!side_data) |
88 | ✗ | return NULL; | |
89 | |||
90 | 2 | memset(side_data->data, 0, sizeof(AVContentLightMetadata)); | |
91 | |||
92 | 2 | return (AVContentLightMetadata *)side_data->data; | |
93 | } | ||
94 |