1 | /* |
2 | * Copyright (C) 2015 Ericsson AB. 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 ENABLE(WEB_RTC) |
34 | |
35 | #include "MediaStreamTrack.h" |
36 | #include "RTCRtpReceiverBackend.h" |
37 | #include "RTCRtpSynchronizationSource.h" |
38 | #include "ScriptWrappable.h" |
39 | |
40 | namespace WebCore { |
41 | |
42 | class PeerConnectionBackend; |
43 | struct RTCRtpCapabilities; |
44 | |
45 | class RTCRtpReceiver final : public RefCounted<RTCRtpReceiver>, public ScriptWrappable { |
46 | WTF_MAKE_ISO_ALLOCATED(RTCRtpReceiver); |
47 | public: |
48 | static Ref<RTCRtpReceiver> create(PeerConnectionBackend& connection, Ref<MediaStreamTrack>&& track, std::unique_ptr<RTCRtpReceiverBackend>&& backend) |
49 | { |
50 | return adoptRef(*new RTCRtpReceiver(connection, WTFMove(track), WTFMove(backend))); |
51 | } |
52 | |
53 | static Optional<RTCRtpCapabilities> getCapabilities(ScriptExecutionContext&, const String& kind); |
54 | |
55 | void stop(); |
56 | |
57 | void setBackend(std::unique_ptr<RTCRtpReceiverBackend>&& backend) { m_backend = WTFMove(backend); } |
58 | RTCRtpParameters getParameters() { return m_backend ? m_backend->getParameters() : RTCRtpParameters(); } |
59 | Vector<RTCRtpContributingSource> getContributingSources() const { return m_backend ? m_backend->getContributingSources() : Vector<RTCRtpContributingSource> { }; } |
60 | Vector<RTCRtpSynchronizationSource> getSynchronizationSources() const { return m_backend ? m_backend->getSynchronizationSources() : Vector<RTCRtpSynchronizationSource> { }; } |
61 | |
62 | MediaStreamTrack& track() { return m_track.get(); } |
63 | |
64 | RTCRtpReceiverBackend* backend() { return m_backend.get(); } |
65 | void getStats(Ref<DeferredPromise>&&); |
66 | |
67 | private: |
68 | RTCRtpReceiver(PeerConnectionBackend&, Ref<MediaStreamTrack>&&, std::unique_ptr<RTCRtpReceiverBackend>&&); |
69 | |
70 | Ref<MediaStreamTrack> m_track; |
71 | std::unique_ptr<RTCRtpReceiverBackend> m_backend; |
72 | WeakPtr<PeerConnectionBackend> m_connection; |
73 | }; |
74 | |
75 | } // namespace WebCore |
76 | |
77 | #endif // ENABLE(WEB_RTC) |
78 | |