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1 /* | |
2 * Copyright 2004 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #include "webrtc/api/peerconnectionfactory.h" | |
12 | |
13 #include <utility> | |
14 | |
15 #include "webrtc/api/audiotrack.h" | |
16 #include "webrtc/api/localaudiosource.h" | |
17 #include "webrtc/api/mediaconstraintsinterface.h" | |
18 #include "webrtc/api/mediastream.h" | |
19 #include "webrtc/api/mediastreamproxy.h" | |
20 #include "webrtc/api/mediastreamtrackproxy.h" | |
21 #include "webrtc/api/peerconnection.h" | |
22 #include "webrtc/api/peerconnectionfactoryproxy.h" | |
23 #include "webrtc/api/peerconnectionproxy.h" | |
24 #include "webrtc/api/videocapturertracksource.h" | |
25 #include "webrtc/api/videosourceproxy.h" | |
26 #include "webrtc/api/videotrack.h" | |
27 #include "webrtc/base/bind.h" | |
28 #include "webrtc/media/engine/webrtcmediaengine.h" | |
29 #include "webrtc/media/engine/webrtcvideodecoderfactory.h" | |
30 #include "webrtc/media/engine/webrtcvideoencoderfactory.h" | |
31 #include "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h" | |
32 #include "webrtc/modules/audio_device/include/audio_device.h" | |
33 #include "webrtc/p2p/base/basicpacketsocketfactory.h" | |
34 #include "webrtc/p2p/client/basicportallocator.h" | |
35 | |
36 namespace webrtc { | |
37 | |
38 rtc::scoped_refptr<PeerConnectionFactoryInterface> | |
39 CreatePeerConnectionFactory() { | |
40 rtc::scoped_refptr<PeerConnectionFactory> pc_factory( | |
41 new rtc::RefCountedObject<PeerConnectionFactory>()); | |
42 | |
43 RTC_CHECK(rtc::Thread::Current() == pc_factory->signaling_thread()); | |
44 // The signaling thread is the current thread so we can | |
45 // safely call Initialize directly. | |
46 if (!pc_factory->Initialize()) { | |
47 return nullptr; | |
48 } | |
49 return PeerConnectionFactoryProxy::Create(pc_factory->signaling_thread(), | |
50 pc_factory); | |
51 } | |
52 | |
53 rtc::scoped_refptr<PeerConnectionFactoryInterface> CreatePeerConnectionFactory( | |
54 rtc::Thread* network_thread, | |
55 rtc::Thread* worker_thread, | |
56 rtc::Thread* signaling_thread, | |
57 AudioDeviceModule* default_adm, | |
58 cricket::WebRtcVideoEncoderFactory* encoder_factory, | |
59 cricket::WebRtcVideoDecoderFactory* decoder_factory) { | |
60 rtc::scoped_refptr<PeerConnectionFactory> pc_factory( | |
61 new rtc::RefCountedObject<PeerConnectionFactory>( | |
62 network_thread, | |
63 worker_thread, | |
64 signaling_thread, | |
65 default_adm, | |
66 CreateBuiltinAudioDecoderFactory(), | |
67 encoder_factory, | |
68 decoder_factory)); | |
69 | |
70 // Call Initialize synchronously but make sure its executed on | |
71 // |signaling_thread|. | |
72 MethodCall0<PeerConnectionFactory, bool> call( | |
73 pc_factory.get(), | |
74 &PeerConnectionFactory::Initialize); | |
75 bool result = call.Marshal(RTC_FROM_HERE, signaling_thread); | |
76 | |
77 if (!result) { | |
78 return nullptr; | |
79 } | |
80 return PeerConnectionFactoryProxy::Create(signaling_thread, pc_factory); | |
81 } | |
82 | |
83 PeerConnectionFactory::PeerConnectionFactory() | |
84 : owns_ptrs_(true), | |
85 wraps_current_thread_(false), | |
86 network_thread_(rtc::Thread::CreateWithSocketServer().release()), | |
87 worker_thread_(rtc::Thread::Create().release()), | |
88 signaling_thread_(rtc::Thread::Current()), | |
89 audio_decoder_factory_(CreateBuiltinAudioDecoderFactory()) { | |
90 if (!signaling_thread_) { | |
91 signaling_thread_ = rtc::ThreadManager::Instance()->WrapCurrentThread(); | |
92 wraps_current_thread_ = true; | |
93 } | |
94 network_thread_->Start(); | |
95 worker_thread_->Start(); | |
96 } | |
97 | |
98 PeerConnectionFactory::PeerConnectionFactory( | |
99 rtc::Thread* network_thread, | |
100 rtc::Thread* worker_thread, | |
101 rtc::Thread* signaling_thread, | |
102 AudioDeviceModule* default_adm, | |
103 const rtc::scoped_refptr<webrtc::AudioDecoderFactory>& | |
104 audio_decoder_factory, | |
105 cricket::WebRtcVideoEncoderFactory* video_encoder_factory, | |
106 cricket::WebRtcVideoDecoderFactory* video_decoder_factory) | |
107 : owns_ptrs_(false), | |
108 wraps_current_thread_(false), | |
109 network_thread_(network_thread), | |
110 worker_thread_(worker_thread), | |
111 signaling_thread_(signaling_thread), | |
112 default_adm_(default_adm), | |
113 audio_decoder_factory_(audio_decoder_factory), | |
114 video_encoder_factory_(video_encoder_factory), | |
115 video_decoder_factory_(video_decoder_factory) { | |
116 RTC_DCHECK(network_thread); | |
117 RTC_DCHECK(worker_thread); | |
118 RTC_DCHECK(signaling_thread); | |
119 // TODO: Currently there is no way creating an external adm in | |
120 // libjingle source tree. So we can 't currently assert if this is NULL. | |
121 // ASSERT(default_adm != NULL); | |
122 } | |
123 | |
124 PeerConnectionFactory::~PeerConnectionFactory() { | |
125 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
126 channel_manager_.reset(nullptr); | |
127 | |
128 // Make sure |worker_thread_| and |signaling_thread_| outlive | |
129 // |default_socket_factory_| and |default_network_manager_|. | |
130 default_socket_factory_ = nullptr; | |
131 default_network_manager_ = nullptr; | |
132 | |
133 if (owns_ptrs_) { | |
134 if (wraps_current_thread_) | |
135 rtc::ThreadManager::Instance()->UnwrapCurrentThread(); | |
136 delete worker_thread_; | |
137 delete network_thread_; | |
138 } | |
139 } | |
140 | |
141 bool PeerConnectionFactory::Initialize() { | |
142 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
143 rtc::InitRandom(rtc::Time32()); | |
144 | |
145 default_network_manager_.reset(new rtc::BasicNetworkManager()); | |
146 if (!default_network_manager_) { | |
147 return false; | |
148 } | |
149 | |
150 default_socket_factory_.reset( | |
151 new rtc::BasicPacketSocketFactory(network_thread_)); | |
152 if (!default_socket_factory_) { | |
153 return false; | |
154 } | |
155 | |
156 // TODO: Need to make sure only one VoE is created inside | |
157 // WebRtcMediaEngine. | |
158 cricket::MediaEngineInterface* media_engine = | |
159 worker_thread_->Invoke<cricket::MediaEngineInterface*>( | |
160 RTC_FROM_HERE, | |
161 rtc::Bind(&PeerConnectionFactory::CreateMediaEngine_w, this)); | |
162 | |
163 channel_manager_.reset(new cricket::ChannelManager( | |
164 media_engine, worker_thread_, network_thread_)); | |
165 | |
166 channel_manager_->SetVideoRtxEnabled(true); | |
167 channel_manager_->SetCryptoOptions(options_.crypto_options); | |
168 if (!channel_manager_->Init()) { | |
169 return false; | |
170 } | |
171 | |
172 return true; | |
173 } | |
174 | |
175 void PeerConnectionFactory::SetOptions(const Options& options) { | |
176 options_ = options; | |
177 if (channel_manager_) { | |
178 channel_manager_->SetCryptoOptions(options.crypto_options); | |
179 } | |
180 } | |
181 | |
182 rtc::scoped_refptr<AudioSourceInterface> | |
183 PeerConnectionFactory::CreateAudioSource( | |
184 const MediaConstraintsInterface* constraints) { | |
185 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
186 rtc::scoped_refptr<LocalAudioSource> source( | |
187 LocalAudioSource::Create(options_, constraints)); | |
188 return source; | |
189 } | |
190 | |
191 rtc::scoped_refptr<AudioSourceInterface> | |
192 PeerConnectionFactory::CreateAudioSource(const cricket::AudioOptions& options) { | |
193 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
194 rtc::scoped_refptr<LocalAudioSource> source( | |
195 LocalAudioSource::Create(options_, &options)); | |
196 return source; | |
197 } | |
198 | |
199 rtc::scoped_refptr<VideoTrackSourceInterface> | |
200 PeerConnectionFactory::CreateVideoSource( | |
201 cricket::VideoCapturer* capturer, | |
202 const MediaConstraintsInterface* constraints) { | |
203 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
204 rtc::scoped_refptr<VideoTrackSourceInterface> source( | |
205 VideoCapturerTrackSource::Create(worker_thread_, capturer, constraints, | |
206 false)); | |
207 return VideoTrackSourceProxy::Create(signaling_thread_, worker_thread_, | |
208 source); | |
209 } | |
210 | |
211 rtc::scoped_refptr<VideoTrackSourceInterface> | |
212 PeerConnectionFactory::CreateVideoSource(cricket::VideoCapturer* capturer) { | |
213 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
214 rtc::scoped_refptr<VideoTrackSourceInterface> source( | |
215 VideoCapturerTrackSource::Create(worker_thread_, capturer, false)); | |
216 return VideoTrackSourceProxy::Create(signaling_thread_, worker_thread_, | |
217 source); | |
218 } | |
219 | |
220 bool PeerConnectionFactory::StartAecDump(rtc::PlatformFile file, | |
221 int64_t max_size_bytes) { | |
222 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
223 return channel_manager_->StartAecDump(file, max_size_bytes); | |
224 } | |
225 | |
226 void PeerConnectionFactory::StopAecDump() { | |
227 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
228 channel_manager_->StopAecDump(); | |
229 } | |
230 | |
231 rtc::scoped_refptr<PeerConnectionInterface> | |
232 PeerConnectionFactory::CreatePeerConnection( | |
233 const PeerConnectionInterface::RTCConfiguration& configuration_in, | |
234 const MediaConstraintsInterface* constraints, | |
235 std::unique_ptr<cricket::PortAllocator> allocator, | |
236 std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator, | |
237 PeerConnectionObserver* observer) { | |
238 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
239 | |
240 // We merge constraints and configuration into a single configuration. | |
241 PeerConnectionInterface::RTCConfiguration configuration = configuration_in; | |
242 CopyConstraintsIntoRtcConfiguration(constraints, &configuration); | |
243 | |
244 return CreatePeerConnection(configuration, std::move(allocator), | |
245 std::move(cert_generator), observer); | |
246 } | |
247 | |
248 rtc::scoped_refptr<PeerConnectionInterface> | |
249 PeerConnectionFactory::CreatePeerConnection( | |
250 const PeerConnectionInterface::RTCConfiguration& configuration, | |
251 std::unique_ptr<cricket::PortAllocator> allocator, | |
252 std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator, | |
253 PeerConnectionObserver* observer) { | |
254 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
255 | |
256 if (!cert_generator.get()) { | |
257 // No certificate generator specified, use the default one. | |
258 cert_generator.reset( | |
259 new rtc::RTCCertificateGenerator(signaling_thread_, network_thread_)); | |
260 } | |
261 | |
262 if (!allocator) { | |
263 allocator.reset(new cricket::BasicPortAllocator( | |
264 default_network_manager_.get(), default_socket_factory_.get())); | |
265 } | |
266 network_thread_->Invoke<void>( | |
267 RTC_FROM_HERE, rtc::Bind(&cricket::PortAllocator::SetNetworkIgnoreMask, | |
268 allocator.get(), options_.network_ignore_mask)); | |
269 | |
270 rtc::scoped_refptr<PeerConnection> pc( | |
271 new rtc::RefCountedObject<PeerConnection>(this)); | |
272 | |
273 if (!pc->Initialize(configuration, std::move(allocator), | |
274 std::move(cert_generator), observer)) { | |
275 return nullptr; | |
276 } | |
277 return PeerConnectionProxy::Create(signaling_thread(), pc); | |
278 } | |
279 | |
280 rtc::scoped_refptr<MediaStreamInterface> | |
281 PeerConnectionFactory::CreateLocalMediaStream(const std::string& label) { | |
282 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
283 return MediaStreamProxy::Create(signaling_thread_, | |
284 MediaStream::Create(label)); | |
285 } | |
286 | |
287 rtc::scoped_refptr<VideoTrackInterface> PeerConnectionFactory::CreateVideoTrack( | |
288 const std::string& id, | |
289 VideoTrackSourceInterface* source) { | |
290 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
291 rtc::scoped_refptr<VideoTrackInterface> track( | |
292 VideoTrack::Create(id, source)); | |
293 return VideoTrackProxy::Create(signaling_thread_, worker_thread_, track); | |
294 } | |
295 | |
296 rtc::scoped_refptr<AudioTrackInterface> | |
297 PeerConnectionFactory::CreateAudioTrack(const std::string& id, | |
298 AudioSourceInterface* source) { | |
299 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
300 rtc::scoped_refptr<AudioTrackInterface> track(AudioTrack::Create(id, source)); | |
301 return AudioTrackProxy::Create(signaling_thread_, track); | |
302 } | |
303 | |
304 webrtc::MediaControllerInterface* PeerConnectionFactory::CreateMediaController( | |
305 const cricket::MediaConfig& config, | |
306 webrtc::RtcEventLog* event_log) const { | |
307 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
308 return MediaControllerInterface::Create(config, worker_thread_, | |
309 channel_manager_.get(), event_log); | |
310 } | |
311 | |
312 cricket::TransportController* PeerConnectionFactory::CreateTransportController( | |
313 cricket::PortAllocator* port_allocator, | |
314 bool redetermine_role_on_ice_restart) { | |
315 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
316 return new cricket::TransportController(signaling_thread_, network_thread_, | |
317 port_allocator, | |
318 redetermine_role_on_ice_restart); | |
319 } | |
320 | |
321 rtc::Thread* PeerConnectionFactory::signaling_thread() { | |
322 // This method can be called on a different thread when the factory is | |
323 // created in CreatePeerConnectionFactory(). | |
324 return signaling_thread_; | |
325 } | |
326 | |
327 rtc::Thread* PeerConnectionFactory::worker_thread() { | |
328 RTC_DCHECK(signaling_thread_->IsCurrent()); | |
329 return worker_thread_; | |
330 } | |
331 | |
332 rtc::Thread* PeerConnectionFactory::network_thread() { | |
333 return network_thread_; | |
334 } | |
335 | |
336 cricket::MediaEngineInterface* PeerConnectionFactory::CreateMediaEngine_w() { | |
337 ASSERT(worker_thread_ == rtc::Thread::Current()); | |
338 return cricket::WebRtcMediaEngineFactory::Create( | |
339 default_adm_.get(), | |
340 audio_decoder_factory_, | |
341 video_encoder_factory_.get(), | |
342 video_decoder_factory_.get()); | |
343 } | |
344 | |
345 } // namespace webrtc | |
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