1/*
2 * Copyright (C) 2017-2019 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 Ericsson 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#pragma once
32
33#if USE(LIBWEBRTC)
34
35#include "LibWebRTCMacros.h"
36#include "RealtimeMediaSource.h"
37
38ALLOW_UNUSED_PARAMETERS_BEGIN
39
40#include <webrtc/api/mediastreaminterface.h>
41
42ALLOW_UNUSED_PARAMETERS_END
43
44#include <wtf/RetainPtr.h>
45
46namespace WebCore {
47
48class CaptureDevice;
49
50class RealtimeIncomingVideoSource
51 : public RealtimeMediaSource
52 , private rtc::VideoSinkInterface<webrtc::VideoFrame>
53{
54public:
55 static Ref<RealtimeIncomingVideoSource> create(rtc::scoped_refptr<webrtc::VideoTrackInterface>&&, String&&);
56 ~RealtimeIncomingVideoSource()
57 {
58 stop();
59 }
60
61 void setSourceTrack(rtc::scoped_refptr<webrtc::VideoTrackInterface>&&);
62
63protected:
64 RealtimeIncomingVideoSource(rtc::scoped_refptr<webrtc::VideoTrackInterface>&&, String&&);
65
66#if !RELEASE_LOG_DISABLED
67 const char* logClassName() const final { return "RealtimeIncomingVideoSource"; }
68#endif
69
70private:
71 // RealtimeMediaSource API
72 void startProducingData() final;
73 void stopProducingData() final;
74 void settingsDidChange(OptionSet<RealtimeMediaSourceSettings::Flag>) final;
75
76 const RealtimeMediaSourceCapabilities& capabilities() final;
77 const RealtimeMediaSourceSettings& settings() final;
78
79 bool isIncomingVideoSource() const final { return true; }
80
81 Optional<RealtimeMediaSourceSettings> m_currentSettings;
82 rtc::scoped_refptr<webrtc::VideoTrackInterface> m_videoTrack;
83
84#if !RELEASE_LOG_DISABLED
85 mutable RefPtr<const Logger> m_logger;
86 const void* m_logIdentifier;
87#endif
88};
89
90} // namespace WebCore
91
92SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::RealtimeIncomingVideoSource)
93static bool isType(const WebCore::RealtimeMediaSource& source) { return source.isIncomingVideoSource(); }
94SPECIALIZE_TYPE_TRAITS_END()
95
96#endif // USE(LIBWEBRTC)
97