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#include "config.h"
32#include "RTCRtpSender.h"
33
34#if ENABLE(WEB_RTC)
35
36#include "RTCRtpCapabilities.h"
37#include "RuntimeEnabledFeatures.h"
38#include <wtf/IsoMallocInlines.h>
39
40namespace WebCore {
41
42WTF_MAKE_ISO_ALLOCATED_IMPL(RTCRtpSender);
43
44Ref<RTCRtpSender> RTCRtpSender::create(PeerConnectionBackend& connection, Ref<MediaStreamTrack>&& track, Vector<String>&& mediaStreamIds, std::unique_ptr<RTCRtpSenderBackend>&& backend)
45{
46 auto sender = adoptRef(*new RTCRtpSender(connection, String(track->kind()), WTFMove(mediaStreamIds), WTFMove(backend)));
47 sender->setTrack(WTFMove(track));
48 return sender;
49}
50
51Ref<RTCRtpSender> RTCRtpSender::create(PeerConnectionBackend& connection, String&& trackKind, Vector<String>&& mediaStreamIds, std::unique_ptr<RTCRtpSenderBackend>&& backend)
52{
53 return adoptRef(*new RTCRtpSender(connection, WTFMove(trackKind), WTFMove(mediaStreamIds), WTFMove(backend)));
54}
55
56RTCRtpSender::RTCRtpSender(PeerConnectionBackend& connection, String&& trackKind, Vector<String>&& mediaStreamIds, std::unique_ptr<RTCRtpSenderBackend>&& backend)
57 : m_trackKind(WTFMove(trackKind))
58 , m_mediaStreamIds(WTFMove(mediaStreamIds))
59 , m_backend(WTFMove(backend))
60 , m_connection(makeWeakPtr(&connection))
61{
62 ASSERT(!RuntimeEnabledFeatures::sharedFeatures().webRTCUnifiedPlanEnabled() || m_backend);
63}
64
65void RTCRtpSender::setTrackToNull()
66{
67 ASSERT(m_track);
68 m_trackId = { };
69 m_track = nullptr;
70}
71
72void RTCRtpSender::stop()
73{
74 m_trackId = { };
75 m_track = nullptr;
76 m_backend = nullptr;
77}
78
79void RTCRtpSender::setTrack(Ref<MediaStreamTrack>&& track)
80{
81 ASSERT(!isStopped());
82 if (!m_track)
83 m_trackId = track->id();
84 m_track = WTFMove(track);
85}
86
87void RTCRtpSender::replaceTrack(ScriptExecutionContext& context, RefPtr<MediaStreamTrack>&& withTrack, DOMPromiseDeferred<void>&& promise)
88{
89 if (isStopped()) {
90 promise.reject(InvalidStateError);
91 return;
92 }
93
94 if (withTrack && m_trackKind != withTrack->kind()) {
95 promise.reject(TypeError);
96 return;
97 }
98
99 // FIXME: This whole function should be executed as part of the RTCPeerConnection operation queue.
100 m_backend->replaceTrack(context, *this, WTFMove(withTrack), WTFMove(promise));
101}
102
103RTCRtpSendParameters RTCRtpSender::getParameters()
104{
105 if (isStopped())
106 return { };
107 return m_backend->getParameters();
108}
109
110void RTCRtpSender::setParameters(const RTCRtpSendParameters& parameters, DOMPromiseDeferred<void>&& promise)
111{
112 if (isStopped()) {
113 promise.reject(InvalidStateError);
114 return;
115 }
116 return m_backend->setParameters(parameters, WTFMove(promise));
117}
118
119void RTCRtpSender::getStats(Ref<DeferredPromise>&& promise)
120{
121 if (!m_connection) {
122 promise->reject(InvalidStateError);
123 return;
124 }
125 m_connection->getStats(*this, WTFMove(promise));
126}
127
128bool RTCRtpSender::isCreatedBy(const PeerConnectionBackend& connection) const
129{
130 return &connection == m_connection.get();
131}
132
133Optional<RTCRtpCapabilities> RTCRtpSender::getCapabilities(ScriptExecutionContext& context, const String& kind)
134{
135 return PeerConnectionBackend::senderCapabilities(context, kind);
136}
137
138} // namespace WebCore
139
140#endif // ENABLE(WEB_RTC)
141