Upstream version 5.34.104.0
[platform/framework/web/crosswalk.git] / src / third_party / libjingle / source / talk / app / webrtc / test / peerconnectiontestwrapper.cc
1 /*
2  * libjingle
3  * Copyright 2013, Google Inc.
4  *
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6  * modification, are permitted provided that the following conditions are met:
7  *
8  *  1. Redistributions of source code must retain the above copyright notice,
9  *     this list of conditions and the following disclaimer.
10  *  2. Redistributions in binary form must reproduce the above copyright notice,
11  *     this list of conditions and the following disclaimer in the documentation
12  *     and/or other materials provided with the distribution.
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14  *     derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27
28 #include "talk/app/webrtc/fakeportallocatorfactory.h"
29 #include "talk/app/webrtc/test/fakeperiodicvideocapturer.h"
30 #include "talk/app/webrtc/test/mockpeerconnectionobservers.h"
31 #include "talk/app/webrtc/test/peerconnectiontestwrapper.h"
32 #include "talk/app/webrtc/videosourceinterface.h"
33 #include "talk/base/gunit.h"
34
35 static const char kStreamLabelBase[] = "stream_label";
36 static const char kVideoTrackLabelBase[] = "video_track";
37 static const char kAudioTrackLabelBase[] = "audio_track";
38 static const int kMaxWait = 5000;
39 static const int kTestAudioFrameCount = 3;
40 static const int kTestVideoFrameCount = 3;
41
42 using webrtc::FakeConstraints;
43 using webrtc::FakeVideoTrackRenderer;
44 using webrtc::IceCandidateInterface;
45 using webrtc::MediaConstraintsInterface;
46 using webrtc::MediaStreamInterface;
47 using webrtc::MockSetSessionDescriptionObserver;
48 using webrtc::PeerConnectionInterface;
49 using webrtc::SessionDescriptionInterface;
50 using webrtc::VideoTrackInterface;
51
52 void PeerConnectionTestWrapper::Connect(PeerConnectionTestWrapper* caller,
53                                         PeerConnectionTestWrapper* callee) {
54   caller->SignalOnIceCandidateReady.connect(
55       callee, &PeerConnectionTestWrapper::AddIceCandidate);
56   callee->SignalOnIceCandidateReady.connect(
57       caller, &PeerConnectionTestWrapper::AddIceCandidate);
58
59   caller->SignalOnSdpReady.connect(
60       callee, &PeerConnectionTestWrapper::ReceiveOfferSdp);
61   callee->SignalOnSdpReady.connect(
62       caller, &PeerConnectionTestWrapper::ReceiveAnswerSdp);
63 }
64
65 PeerConnectionTestWrapper::PeerConnectionTestWrapper(const std::string& name)
66     : name_(name) {}
67
68 PeerConnectionTestWrapper::~PeerConnectionTestWrapper() {}
69
70 bool PeerConnectionTestWrapper::CreatePc(
71   const MediaConstraintsInterface* constraints) {
72   allocator_factory_ = webrtc::FakePortAllocatorFactory::Create();
73   if (!allocator_factory_) {
74     return false;
75   }
76
77   audio_thread_.Start();
78   fake_audio_capture_module_ = FakeAudioCaptureModule::Create(
79       &audio_thread_);
80   if (fake_audio_capture_module_ == NULL) {
81     return false;
82   }
83
84   peer_connection_factory_ = webrtc::CreatePeerConnectionFactory(
85       talk_base::Thread::Current(), talk_base::Thread::Current(),
86       fake_audio_capture_module_, NULL, NULL);
87   if (!peer_connection_factory_) {
88     return false;
89   }
90
91   // CreatePeerConnection with IceServers.
92   webrtc::PeerConnectionInterface::IceServers ice_servers;
93   webrtc::PeerConnectionInterface::IceServer ice_server;
94   ice_server.uri = "stun:stun.l.google.com:19302";
95   ice_servers.push_back(ice_server);
96   peer_connection_ = peer_connection_factory_->CreatePeerConnection(
97       ice_servers, constraints, allocator_factory_.get(), NULL, this);
98
99   return peer_connection_.get() != NULL;
100 }
101
102 void PeerConnectionTestWrapper::OnAddStream(MediaStreamInterface* stream) {
103   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
104                << ": OnAddStream";
105   // TODO(ronghuawu): support multiple streams.
106   if (stream->GetVideoTracks().size() > 0) {
107     renderer_.reset(new FakeVideoTrackRenderer(stream->GetVideoTracks()[0]));
108   }
109 }
110
111 void PeerConnectionTestWrapper::OnIceCandidate(
112     const IceCandidateInterface* candidate) {
113   std::string sdp;
114   EXPECT_TRUE(candidate->ToString(&sdp));
115   // Give the user a chance to modify sdp for testing.
116   SignalOnIceCandidateCreated(&sdp);
117   SignalOnIceCandidateReady(candidate->sdp_mid(), candidate->sdp_mline_index(),
118                             sdp);
119 }
120
121 void PeerConnectionTestWrapper::OnSuccess(SessionDescriptionInterface* desc) {
122   // This callback should take the ownership of |desc|.
123   talk_base::scoped_ptr<SessionDescriptionInterface> owned_desc(desc);
124   std::string sdp;
125   EXPECT_TRUE(desc->ToString(&sdp));
126
127   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
128                << ": " << desc->type() << " sdp created: " << sdp;
129
130   // Give the user a chance to modify sdp for testing.
131   SignalOnSdpCreated(&sdp);
132
133   SetLocalDescription(desc->type(), sdp);
134
135   SignalOnSdpReady(sdp);
136 }
137
138 void PeerConnectionTestWrapper::CreateOffer(
139     const MediaConstraintsInterface* constraints) {
140   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
141                << ": CreateOffer.";
142   peer_connection_->CreateOffer(this, constraints);
143 }
144
145 void PeerConnectionTestWrapper::CreateAnswer(
146     const MediaConstraintsInterface* constraints) {
147   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
148                << ": CreateAnswer.";
149   peer_connection_->CreateAnswer(this, constraints);
150 }
151
152 void PeerConnectionTestWrapper::ReceiveOfferSdp(const std::string& sdp) {
153   SetRemoteDescription(SessionDescriptionInterface::kOffer, sdp);
154   CreateAnswer(NULL);
155 }
156
157 void PeerConnectionTestWrapper::ReceiveAnswerSdp(const std::string& sdp) {
158   SetRemoteDescription(SessionDescriptionInterface::kAnswer, sdp);
159 }
160
161 void PeerConnectionTestWrapper::SetLocalDescription(const std::string& type,
162                                                     const std::string& sdp) {
163   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
164                << ": SetLocalDescription " << type << " " << sdp;
165
166   talk_base::scoped_refptr<MockSetSessionDescriptionObserver>
167       observer(new talk_base::RefCountedObject<
168                    MockSetSessionDescriptionObserver>());
169   peer_connection_->SetLocalDescription(
170       observer, webrtc::CreateSessionDescription(type, sdp, NULL));
171 }
172
173 void PeerConnectionTestWrapper::SetRemoteDescription(const std::string& type,
174                                                      const std::string& sdp) {
175   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
176                << ": SetRemoteDescription " << type << " " << sdp;
177
178   talk_base::scoped_refptr<MockSetSessionDescriptionObserver>
179       observer(new talk_base::RefCountedObject<
180                    MockSetSessionDescriptionObserver>());
181   peer_connection_->SetRemoteDescription(
182       observer, webrtc::CreateSessionDescription(type, sdp, NULL));
183 }
184
185 void PeerConnectionTestWrapper::AddIceCandidate(const std::string& sdp_mid,
186                                                 int sdp_mline_index,
187                                                 const std::string& candidate) {
188   talk_base::scoped_ptr<webrtc::IceCandidateInterface> owned_candidate(
189       webrtc::CreateIceCandidate(sdp_mid, sdp_mline_index, candidate, NULL));
190   EXPECT_TRUE(peer_connection_->AddIceCandidate(owned_candidate.get()));
191 }
192
193 void PeerConnectionTestWrapper::WaitForCallEstablished() {
194   WaitForConnection();
195   WaitForAudio();
196   WaitForVideo();
197 }
198
199 void PeerConnectionTestWrapper::WaitForConnection() {
200   EXPECT_TRUE_WAIT(CheckForConnection(), kMaxWait);
201   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
202                << ": Connected.";
203 }
204
205 bool PeerConnectionTestWrapper::CheckForConnection() {
206   return (peer_connection_->ice_connection_state() ==
207           PeerConnectionInterface::kIceConnectionConnected) ||
208          (peer_connection_->ice_connection_state() ==
209           PeerConnectionInterface::kIceConnectionCompleted);
210 }
211
212 void PeerConnectionTestWrapper::WaitForAudio() {
213   EXPECT_TRUE_WAIT(CheckForAudio(), kMaxWait);
214   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
215                << ": Got enough audio frames.";
216 }
217
218 bool PeerConnectionTestWrapper::CheckForAudio() {
219   return (fake_audio_capture_module_->frames_received() >=
220           kTestAudioFrameCount);
221 }
222
223 void PeerConnectionTestWrapper::WaitForVideo() {
224   EXPECT_TRUE_WAIT(CheckForVideo(), kMaxWait);
225   LOG(LS_INFO) << "PeerConnectionTestWrapper " << name_
226                << ": Got enough video frames.";
227 }
228
229 bool PeerConnectionTestWrapper::CheckForVideo() {
230   if (!renderer_) {
231     return false;
232   }
233   return (renderer_->num_rendered_frames() >= kTestVideoFrameCount);
234 }
235
236 void PeerConnectionTestWrapper::GetAndAddUserMedia(
237     bool audio, const webrtc::FakeConstraints& audio_constraints,
238     bool video, const webrtc::FakeConstraints& video_constraints) {
239   talk_base::scoped_refptr<webrtc::MediaStreamInterface> stream =
240       GetUserMedia(audio, audio_constraints, video, video_constraints);
241   EXPECT_TRUE(peer_connection_->AddStream(stream, NULL));
242 }
243
244 talk_base::scoped_refptr<webrtc::MediaStreamInterface>
245     PeerConnectionTestWrapper::GetUserMedia(
246         bool audio, const webrtc::FakeConstraints& audio_constraints,
247         bool video, const webrtc::FakeConstraints& video_constraints) {
248   std::string label = kStreamLabelBase +
249       talk_base::ToString<int>(
250           static_cast<int>(peer_connection_->local_streams()->count()));
251   talk_base::scoped_refptr<webrtc::MediaStreamInterface> stream =
252       peer_connection_factory_->CreateLocalMediaStream(label);
253
254   if (audio) {
255     FakeConstraints constraints = audio_constraints;
256     // Disable highpass filter so that we can get all the test audio frames.
257     constraints.AddMandatory(
258         MediaConstraintsInterface::kHighpassFilter, false);
259     talk_base::scoped_refptr<webrtc::AudioSourceInterface> source =
260         peer_connection_factory_->CreateAudioSource(&constraints);
261     talk_base::scoped_refptr<webrtc::AudioTrackInterface> audio_track(
262         peer_connection_factory_->CreateAudioTrack(kAudioTrackLabelBase,
263                                                    source));
264     stream->AddTrack(audio_track);
265   }
266
267   if (video) {
268     // Set max frame rate to 10fps to reduce the risk of the tests to be flaky.
269     FakeConstraints constraints = video_constraints;
270     constraints.SetMandatoryMaxFrameRate(10);
271
272     talk_base::scoped_refptr<webrtc::VideoSourceInterface> source =
273         peer_connection_factory_->CreateVideoSource(
274             new webrtc::FakePeriodicVideoCapturer(), &constraints);
275     std::string videotrack_label = label + kVideoTrackLabelBase;
276     talk_base::scoped_refptr<webrtc::VideoTrackInterface> video_track(
277         peer_connection_factory_->CreateVideoTrack(videotrack_label, source));
278
279     stream->AddTrack(video_track);
280   }
281   return stream;
282 }