1/*
2 * Copyright (C) 2017 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(MEDIA_STREAM)
29
30#include "MediaConstraints.h"
31
32namespace WebCore {
33
34struct MediaStreamRequest {
35 enum class Type { UserMedia, DisplayMedia };
36 Type type;
37 MediaConstraints audioConstraints;
38 MediaConstraints videoConstraints;
39
40 template<class Encoder>
41 void encode(Encoder& encoder) const
42 {
43 encoder.encodeEnum(type);
44 encoder << audioConstraints;
45 encoder << videoConstraints;
46 }
47
48 template <class Decoder> static Optional<MediaStreamRequest> decode(Decoder& decoder)
49 {
50 MediaStreamRequest request;
51 if (decoder.decodeEnum(request.type) && decoder.decode(request.audioConstraints) && decoder.decode(request.videoConstraints))
52 return request;
53
54 return WTF::nullopt;
55 }
56};
57
58} // namespace WebCore
59
60#else
61
62namespace WebCore {
63
64struct MediaStreamRequest {
65 enum class Type { UserMedia, DisplayMedia };
66 Type type;
67};
68
69} // namespace WebCore
70
71#endif // ENABLE(MEDIA_STREAM)
72
73namespace WTF {
74
75template<> struct EnumTraits<WebCore::MediaStreamRequest> {
76 using values = EnumValues<
77 WebCore::MediaStreamRequest::Type,
78 WebCore::MediaStreamRequest::Type::UserMedia,
79 WebCore::MediaStreamRequest::Type::DisplayMedia
80 >;
81};
82
83} // namespace WTF
84
85
86