1/*
2 * Copyright (C) 2013-2019 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * 3. Neither the name of Google Inc. nor the names of its contributors
15 * may be used to endorse or promote products derived from this
16 * software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32
33#if ENABLE(MEDIA_STREAM)
34#include "RealtimeMediaSourceSettings.h"
35
36#include <wtf/NeverDestroyed.h>
37#include <wtf/text/StringBuilder.h>
38
39namespace WebCore {
40
41String RealtimeMediaSourceSettings::facingMode(RealtimeMediaSourceSettings::VideoFacingMode mode)
42{
43 static const NeverDestroyed<String> values[] = {
44 MAKE_STATIC_STRING_IMPL("unknown"),
45 MAKE_STATIC_STRING_IMPL("user"),
46 MAKE_STATIC_STRING_IMPL("environment"),
47 MAKE_STATIC_STRING_IMPL("left"),
48 MAKE_STATIC_STRING_IMPL("right"),
49 };
50 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::Unknown) == 0, "RealtimeMediaSourceSettings::VideoFacingMode::Unknown is not 0 as expected");
51 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::User) == 1, "RealtimeMediaSourceSettings::VideoFacingMode::User is not 1 as expected");
52 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::Environment) == 2, "RealtimeMediaSourceSettings::VideoFacingMode::Environment is not 2 as expected");
53 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::Left) == 3, "RealtimeMediaSourceSettings::VideoFacingMode::Left is not 3 as expected");
54 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::Right) == 4, "RealtimeMediaSourceSettings::VideoFacingMode::Right is not 4 as expected");
55 ASSERT(static_cast<size_t>(mode) < WTF_ARRAY_LENGTH(values));
56 return values[static_cast<size_t>(mode)];
57}
58
59RealtimeMediaSourceSettings::VideoFacingMode RealtimeMediaSourceSettings::videoFacingModeEnum(const String& mode)
60{
61 if (mode == "user")
62 return RealtimeMediaSourceSettings::VideoFacingMode::User;
63 if (mode == "environment")
64 return RealtimeMediaSourceSettings::VideoFacingMode::Environment;
65 if (mode == "left")
66 return RealtimeMediaSourceSettings::VideoFacingMode::Left;
67 if (mode == "right")
68 return RealtimeMediaSourceSettings::VideoFacingMode::Right;
69
70 return RealtimeMediaSourceSettings::Unknown;
71}
72
73String RealtimeMediaSourceSettings::convertFlagsToString(const OptionSet<RealtimeMediaSourceSettings::Flag> flags)
74{
75 StringBuilder builder;
76
77 builder.append("[ ");
78 for (auto flag : flags) {
79 if (!builder.isEmpty())
80 builder.append(", ");
81
82 switch (flag) {
83 case RealtimeMediaSourceSettings::Width:
84 builder.append("Width");
85 break;
86 case RealtimeMediaSourceSettings::Height:
87 builder.append("Height");
88 break;
89 case RealtimeMediaSourceSettings::AspectRatio:
90 builder.append("AspectRatio");
91 break;
92 case RealtimeMediaSourceSettings::FrameRate:
93 builder.append("FrameRate");
94 break;
95 case RealtimeMediaSourceSettings::FacingMode:
96 builder.append("FacingMode");
97 break;
98 case RealtimeMediaSourceSettings::Volume:
99 builder.append("Volume");
100 break;
101 case RealtimeMediaSourceSettings::SampleRate:
102 builder.append("SampleRate");
103 break;
104 case RealtimeMediaSourceSettings::SampleSize:
105 builder.append("SampleSize");
106 break;
107 case RealtimeMediaSourceSettings::EchoCancellation:
108 builder.append("EchoCancellation");
109 break;
110 case RealtimeMediaSourceSettings::DeviceId:
111 builder.append("DeviceId");
112 break;
113 case RealtimeMediaSourceSettings::GroupId:
114 builder.append("GroupId");
115 break;
116 case RealtimeMediaSourceSettings::Label:
117 builder.append("Label");
118 break;
119 case RealtimeMediaSourceSettings::DisplaySurface:
120 builder.append("DisplaySurface");
121 break;
122 case RealtimeMediaSourceSettings::LogicalSurface:
123 builder.append("LogicalSurface");
124 break;
125 }
126 }
127 builder.append(" ]");
128
129 return builder.toString();
130}
131
132OptionSet<RealtimeMediaSourceSettings::Flag> RealtimeMediaSourceSettings::difference(const RealtimeMediaSourceSettings& that) const
133{
134 OptionSet<RealtimeMediaSourceSettings::Flag> difference;
135
136 if (width() != that.width())
137 difference.add(RealtimeMediaSourceSettings::Width);
138 if (height() != that.height())
139 difference.add(RealtimeMediaSourceSettings::Height);
140 if (aspectRatio() != that.aspectRatio())
141 difference.add(RealtimeMediaSourceSettings::AspectRatio);
142 if (frameRate() != that.frameRate())
143 difference.add(RealtimeMediaSourceSettings::FrameRate);
144 if (facingMode() != that.facingMode())
145 difference.add(RealtimeMediaSourceSettings::FacingMode);
146 if (volume() != that.volume())
147 difference.add(RealtimeMediaSourceSettings::Volume);
148 if (sampleRate() != that.sampleRate())
149 difference.add(RealtimeMediaSourceSettings::SampleRate);
150 if (sampleSize() != that.sampleSize())
151 difference.add(RealtimeMediaSourceSettings::SampleSize);
152 if (echoCancellation() != that.echoCancellation())
153 difference.add(RealtimeMediaSourceSettings::EchoCancellation);
154 if (deviceId() != that.deviceId())
155 difference.add(RealtimeMediaSourceSettings::DeviceId);
156 if (groupId() != that.groupId())
157 difference.add(RealtimeMediaSourceSettings::GroupId);
158 if (label() != that.label())
159 difference.add(RealtimeMediaSourceSettings::Label);
160 if (displaySurface() != that.displaySurface())
161 difference.add(RealtimeMediaSourceSettings::DisplaySurface);
162 if (logicalSurface() != that.logicalSurface())
163 difference.add(RealtimeMediaSourceSettings::LogicalSurface);
164
165 return difference;
166}
167
168String convertEnumerationToString(RealtimeMediaSourceSettings::VideoFacingMode enumerationValue)
169{
170 static const NeverDestroyed<String> values[] = {
171 MAKE_STATIC_STRING_IMPL("Unknown"),
172 MAKE_STATIC_STRING_IMPL("User"),
173 MAKE_STATIC_STRING_IMPL("Environment"),
174 MAKE_STATIC_STRING_IMPL("Left"),
175 MAKE_STATIC_STRING_IMPL("Right"),
176 };
177 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::Unknown) == 0, "RealtimeMediaSourceSettings::VideoFacingMode::Unknown is not 0 as expected");
178 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::User) == 1, "RealtimeMediaSourceSettings::VideoFacingMode::User is not 1 as expected");
179 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::Environment) == 2, "RealtimeMediaSourceSettings::VideoFacingMode::Environment is not 2 as expected");
180 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::Left) == 3, "RealtimeMediaSourceSettings::VideoFacingMode::Left is not 3 as expected");
181 static_assert(static_cast<size_t>(RealtimeMediaSourceSettings::VideoFacingMode::Right) == 4, "RealtimeMediaSourceSettings::VideoFacingMode::Right is not 4 as expected");
182 ASSERT(static_cast<size_t>(enumerationValue) < WTF_ARRAY_LENGTH(values));
183 return values[static_cast<size_t>(enumerationValue)];
184}
185
186} // namespace WebCore
187
188#endif // ENABLE(MEDIA_STREAM)
189