FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavutil/stereo3d.c
Date: 2026-04-24 19:58:39
Exec Total Coverage
Lines: 46 48 95.8%
Functions: 10 10 100.0%
Branches: 22 24 91.7%
Line Branch Exec Source
1 /*
2 * Copyright (c) 2013 Vittorio Giovara <vittorio.giovara@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 <string.h>
22
23 #include "frame.h"
24 #include "macros.h"
25 #include "mem.h"
26 #include "stereo3d.h"
27
28 344 static void get_defaults(AVStereo3D *stereo)
29 {
30 344 stereo->horizontal_disparity_adjustment = (AVRational) { 0, 1 };
31 344 stereo->horizontal_field_of_view = (AVRational) { 0, 1 };
32 344 }
33
34 1 AVStereo3D *av_stereo3d_alloc(void)
35 {
36 1 return av_stereo3d_alloc_size(NULL);
37 }
38
39 242 AVStereo3D *av_stereo3d_alloc_size(size_t *size)
40 {
41 242 AVStereo3D *stereo = av_mallocz(sizeof(AVStereo3D));
42
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 242 if (!stereo)
43 ✗ return NULL;
44
45 242 get_defaults(stereo);
46
47
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 242 if (size)
48 241 *size = sizeof(*stereo);
49
50 242 return stereo;
51 }
52
53 102 AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame)
54 {
55 102 AVFrameSideData *side_data = av_frame_new_side_data(frame,
56 AV_FRAME_DATA_STEREO3D,
57 sizeof(AVStereo3D));
58
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 102 if (!side_data)
59 ✗ return NULL;
60
61 102 memset(side_data->data, 0, sizeof(AVStereo3D));
62 102 get_defaults((AVStereo3D *)side_data->data);
63
64 102 return (AVStereo3D *)side_data->data;
65 }
66
67 static const char * const stereo3d_type_names[] = {
68 [AV_STEREO3D_2D] = "2D",
69 [AV_STEREO3D_SIDEBYSIDE] = "side by side",
70 [AV_STEREO3D_TOPBOTTOM] = "top and bottom",
71 [AV_STEREO3D_FRAMESEQUENCE] = "frame alternate",
72 [AV_STEREO3D_CHECKERBOARD] = "checkerboard",
73 [AV_STEREO3D_SIDEBYSIDE_QUINCUNX] = "side by side (quincunx subsampling)",
74 [AV_STEREO3D_LINES] = "interleaved lines",
75 [AV_STEREO3D_COLUMNS] = "interleaved columns",
76 [AV_STEREO3D_UNSPEC] = "unspecified",
77 };
78
79 static const char * const stereo3d_view_names[] = {
80 [AV_STEREO3D_VIEW_PACKED] = "packed",
81 [AV_STEREO3D_VIEW_LEFT] = "left",
82 [AV_STEREO3D_VIEW_RIGHT] = "right",
83 [AV_STEREO3D_VIEW_UNSPEC] = "unspecified",
84 };
85
86 static const char * const stereo3d_primary_eye_names[] = {
87 [AV_PRIMARY_EYE_NONE] = "none",
88 [AV_PRIMARY_EYE_LEFT] = "left",
89 [AV_PRIMARY_EYE_RIGHT] = "right",
90 };
91
92 499 const char *av_stereo3d_type_name(unsigned int type)
93 {
94
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 499 if (type >= FF_ARRAY_ELEMS(stereo3d_type_names))
95 1 return "unknown";
96
97 498 return stereo3d_type_names[type];
98 }
99
100 19 int av_stereo3d_from_name(const char *name)
101 {
102 int i;
103
104
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 100 for (i = 0; i < FF_ARRAY_ELEMS(stereo3d_type_names); i++) {
105
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 99 if (!strcmp(name, stereo3d_type_names[i]))
106 18 return i;
107 }
108
109 1 return -1;
110 }
111
112 489 const char *av_stereo3d_view_name(unsigned int view)
113 {
114
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 489 if (view >= FF_ARRAY_ELEMS(stereo3d_view_names))
115 1 return "unknown";
116
117 488 return stereo3d_view_names[view];
118 }
119
120 9 int av_stereo3d_view_from_name(const char *name)
121 {
122 int i;
123
124
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 25 for (i = 0; i < FF_ARRAY_ELEMS(stereo3d_view_names); i++) {
125
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 24 if (!strcmp(name, stereo3d_view_names[i]))
126 8 return i;
127 }
128
129 1 return -1;
130 }
131
132 484 const char *av_stereo3d_primary_eye_name(unsigned int eye)
133 {
134
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 484 if (eye >= FF_ARRAY_ELEMS(stereo3d_primary_eye_names))
135 1 return "unknown";
136
137 483 return stereo3d_primary_eye_names[eye];
138 }
139
140 4 int av_stereo3d_primary_eye_from_name(const char *name)
141 {
142 int i;
143
144
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 10 for (i = 0; i < FF_ARRAY_ELEMS(stereo3d_primary_eye_names); i++) {
145
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 9 if (!strcmp(name, stereo3d_primary_eye_names[i]))
146 3 return i;
147 }
148
149 1 return -1;
150 }
151