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1 /* | 1 /* |
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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137 Call::Call(const Call::Config& config) | 137 Call::Call(const Call::Config& config) |
138 : num_cpu_cores_(CpuInfo::DetectNumberOfCores()), | 138 : num_cpu_cores_(CpuInfo::DetectNumberOfCores()), |
139 module_process_thread_(ProcessThread::Create("ModuleProcessThread")), | 139 module_process_thread_(ProcessThread::Create("ModuleProcessThread")), |
140 channel_group_(new ChannelGroup(module_process_thread_.get())), | 140 channel_group_(new ChannelGroup(module_process_thread_.get())), |
141 next_channel_id_(0), | 141 next_channel_id_(0), |
142 config_(config), | 142 config_(config), |
143 network_enabled_(true), | 143 network_enabled_(true), |
144 receive_crit_(RWLockWrapper::CreateRWLock()), | 144 receive_crit_(RWLockWrapper::CreateRWLock()), |
145 send_crit_(RWLockWrapper::CreateRWLock()), | 145 send_crit_(RWLockWrapper::CreateRWLock()), |
146 event_log_(nullptr) { | 146 event_log_(nullptr) { |
147 DCHECK_GE(config.bitrate_config.min_bitrate_bps, 0); | 147 RTC_DCHECK_GE(config.bitrate_config.min_bitrate_bps, 0); |
148 DCHECK_GE(config.bitrate_config.start_bitrate_bps, | 148 RTC_DCHECK_GE(config.bitrate_config.start_bitrate_bps, |
149 config.bitrate_config.min_bitrate_bps); | 149 config.bitrate_config.min_bitrate_bps); |
150 if (config.bitrate_config.max_bitrate_bps != -1) { | 150 if (config.bitrate_config.max_bitrate_bps != -1) { |
151 DCHECK_GE(config.bitrate_config.max_bitrate_bps, | 151 RTC_DCHECK_GE(config.bitrate_config.max_bitrate_bps, |
152 config.bitrate_config.start_bitrate_bps); | 152 config.bitrate_config.start_bitrate_bps); |
153 } | 153 } |
154 if (config.voice_engine) { | 154 if (config.voice_engine) { |
155 VoECodec* voe_codec = VoECodec::GetInterface(config.voice_engine); | 155 VoECodec* voe_codec = VoECodec::GetInterface(config.voice_engine); |
156 if (voe_codec) { | 156 if (voe_codec) { |
157 event_log_ = voe_codec->GetEventLog(); | 157 event_log_ = voe_codec->GetEventLog(); |
158 voe_codec->Release(); | 158 voe_codec->Release(); |
159 } | 159 } |
160 } | 160 } |
161 | 161 |
162 Trace::CreateTrace(); | 162 Trace::CreateTrace(); |
163 module_process_thread_->Start(); | 163 module_process_thread_->Start(); |
164 | 164 |
165 SetBitrateControllerConfig(config_.bitrate_config); | 165 SetBitrateControllerConfig(config_.bitrate_config); |
166 } | 166 } |
167 | 167 |
168 Call::~Call() { | 168 Call::~Call() { |
169 CHECK_EQ(0u, video_send_ssrcs_.size()); | 169 RTC_CHECK_EQ(0u, video_send_ssrcs_.size()); |
170 CHECK_EQ(0u, video_send_streams_.size()); | 170 RTC_CHECK_EQ(0u, video_send_streams_.size()); |
171 CHECK_EQ(0u, audio_receive_ssrcs_.size()); | 171 RTC_CHECK_EQ(0u, audio_receive_ssrcs_.size()); |
172 CHECK_EQ(0u, video_receive_ssrcs_.size()); | 172 RTC_CHECK_EQ(0u, video_receive_ssrcs_.size()); |
173 CHECK_EQ(0u, video_receive_streams_.size()); | 173 RTC_CHECK_EQ(0u, video_receive_streams_.size()); |
174 | 174 |
175 module_process_thread_->Stop(); | 175 module_process_thread_->Stop(); |
176 Trace::ReturnTrace(); | 176 Trace::ReturnTrace(); |
177 } | 177 } |
178 | 178 |
179 PacketReceiver* Call::Receiver() { return this; } | 179 PacketReceiver* Call::Receiver() { return this; } |
180 | 180 |
181 webrtc::AudioSendStream* Call::CreateAudioSendStream( | 181 webrtc::AudioSendStream* Call::CreateAudioSendStream( |
182 const webrtc::AudioSendStream::Config& config) { | 182 const webrtc::AudioSendStream::Config& config) { |
183 return nullptr; | 183 return nullptr; |
184 } | 184 } |
185 | 185 |
186 void Call::DestroyAudioSendStream(webrtc::AudioSendStream* send_stream) { | 186 void Call::DestroyAudioSendStream(webrtc::AudioSendStream* send_stream) { |
187 } | 187 } |
188 | 188 |
189 webrtc::AudioReceiveStream* Call::CreateAudioReceiveStream( | 189 webrtc::AudioReceiveStream* Call::CreateAudioReceiveStream( |
190 const webrtc::AudioReceiveStream::Config& config) { | 190 const webrtc::AudioReceiveStream::Config& config) { |
191 TRACE_EVENT0("webrtc", "Call::CreateAudioReceiveStream"); | 191 TRACE_EVENT0("webrtc", "Call::CreateAudioReceiveStream"); |
192 LOG(LS_INFO) << "CreateAudioReceiveStream: " << config.ToString(); | 192 LOG(LS_INFO) << "CreateAudioReceiveStream: " << config.ToString(); |
193 AudioReceiveStream* receive_stream = new AudioReceiveStream( | 193 AudioReceiveStream* receive_stream = new AudioReceiveStream( |
194 channel_group_->GetRemoteBitrateEstimator(), config); | 194 channel_group_->GetRemoteBitrateEstimator(), config); |
195 { | 195 { |
196 WriteLockScoped write_lock(*receive_crit_); | 196 WriteLockScoped write_lock(*receive_crit_); |
197 DCHECK(audio_receive_ssrcs_.find(config.rtp.remote_ssrc) == | 197 RTC_DCHECK(audio_receive_ssrcs_.find(config.rtp.remote_ssrc) == |
198 audio_receive_ssrcs_.end()); | 198 audio_receive_ssrcs_.end()); |
199 audio_receive_ssrcs_[config.rtp.remote_ssrc] = receive_stream; | 199 audio_receive_ssrcs_[config.rtp.remote_ssrc] = receive_stream; |
200 ConfigureSync(config.sync_group); | 200 ConfigureSync(config.sync_group); |
201 } | 201 } |
202 return receive_stream; | 202 return receive_stream; |
203 } | 203 } |
204 | 204 |
205 void Call::DestroyAudioReceiveStream( | 205 void Call::DestroyAudioReceiveStream( |
206 webrtc::AudioReceiveStream* receive_stream) { | 206 webrtc::AudioReceiveStream* receive_stream) { |
207 TRACE_EVENT0("webrtc", "Call::DestroyAudioReceiveStream"); | 207 TRACE_EVENT0("webrtc", "Call::DestroyAudioReceiveStream"); |
208 DCHECK(receive_stream != nullptr); | 208 RTC_DCHECK(receive_stream != nullptr); |
209 AudioReceiveStream* audio_receive_stream = | 209 AudioReceiveStream* audio_receive_stream = |
210 static_cast<AudioReceiveStream*>(receive_stream); | 210 static_cast<AudioReceiveStream*>(receive_stream); |
211 { | 211 { |
212 WriteLockScoped write_lock(*receive_crit_); | 212 WriteLockScoped write_lock(*receive_crit_); |
213 size_t num_deleted = audio_receive_ssrcs_.erase( | 213 size_t num_deleted = audio_receive_ssrcs_.erase( |
214 audio_receive_stream->config().rtp.remote_ssrc); | 214 audio_receive_stream->config().rtp.remote_ssrc); |
215 DCHECK(num_deleted == 1); | 215 RTC_DCHECK(num_deleted == 1); |
216 const std::string& sync_group = audio_receive_stream->config().sync_group; | 216 const std::string& sync_group = audio_receive_stream->config().sync_group; |
217 const auto it = sync_stream_mapping_.find(sync_group); | 217 const auto it = sync_stream_mapping_.find(sync_group); |
218 if (it != sync_stream_mapping_.end() && | 218 if (it != sync_stream_mapping_.end() && |
219 it->second == audio_receive_stream) { | 219 it->second == audio_receive_stream) { |
220 sync_stream_mapping_.erase(it); | 220 sync_stream_mapping_.erase(it); |
221 ConfigureSync(sync_group); | 221 ConfigureSync(sync_group); |
222 } | 222 } |
223 } | 223 } |
224 delete audio_receive_stream; | 224 delete audio_receive_stream; |
225 } | 225 } |
226 | 226 |
227 webrtc::VideoSendStream* Call::CreateVideoSendStream( | 227 webrtc::VideoSendStream* Call::CreateVideoSendStream( |
228 const webrtc::VideoSendStream::Config& config, | 228 const webrtc::VideoSendStream::Config& config, |
229 const VideoEncoderConfig& encoder_config) { | 229 const VideoEncoderConfig& encoder_config) { |
230 TRACE_EVENT0("webrtc", "Call::CreateVideoSendStream"); | 230 TRACE_EVENT0("webrtc", "Call::CreateVideoSendStream"); |
231 LOG(LS_INFO) << "CreateVideoSendStream: " << config.ToString(); | 231 LOG(LS_INFO) << "CreateVideoSendStream: " << config.ToString(); |
232 DCHECK(!config.rtp.ssrcs.empty()); | 232 RTC_DCHECK(!config.rtp.ssrcs.empty()); |
233 | 233 |
234 // TODO(mflodman): Base the start bitrate on a current bandwidth estimate, if | 234 // TODO(mflodman): Base the start bitrate on a current bandwidth estimate, if |
235 // the call has already started. | 235 // the call has already started. |
236 VideoSendStream* send_stream = new VideoSendStream(num_cpu_cores_, | 236 VideoSendStream* send_stream = new VideoSendStream(num_cpu_cores_, |
237 module_process_thread_.get(), channel_group_.get(), | 237 module_process_thread_.get(), channel_group_.get(), |
238 rtc::AtomicOps::Increment(&next_channel_id_), config, encoder_config, | 238 rtc::AtomicOps::Increment(&next_channel_id_), config, encoder_config, |
239 suspended_video_send_ssrcs_); | 239 suspended_video_send_ssrcs_); |
240 | 240 |
241 // This needs to be taken before send_crit_ as both locks need to be held | 241 // This needs to be taken before send_crit_ as both locks need to be held |
242 // while changing network state. | 242 // while changing network state. |
243 rtc::CritScope lock(&network_enabled_crit_); | 243 rtc::CritScope lock(&network_enabled_crit_); |
244 WriteLockScoped write_lock(*send_crit_); | 244 WriteLockScoped write_lock(*send_crit_); |
245 for (uint32_t ssrc : config.rtp.ssrcs) { | 245 for (uint32_t ssrc : config.rtp.ssrcs) { |
246 DCHECK(video_send_ssrcs_.find(ssrc) == video_send_ssrcs_.end()); | 246 RTC_DCHECK(video_send_ssrcs_.find(ssrc) == video_send_ssrcs_.end()); |
247 video_send_ssrcs_[ssrc] = send_stream; | 247 video_send_ssrcs_[ssrc] = send_stream; |
248 } | 248 } |
249 video_send_streams_.insert(send_stream); | 249 video_send_streams_.insert(send_stream); |
250 | 250 |
251 if (event_log_) | 251 if (event_log_) |
252 event_log_->LogVideoSendStreamConfig(config); | 252 event_log_->LogVideoSendStreamConfig(config); |
253 | 253 |
254 if (!network_enabled_) | 254 if (!network_enabled_) |
255 send_stream->SignalNetworkState(kNetworkDown); | 255 send_stream->SignalNetworkState(kNetworkDown); |
256 return send_stream; | 256 return send_stream; |
257 } | 257 } |
258 | 258 |
259 void Call::DestroyVideoSendStream(webrtc::VideoSendStream* send_stream) { | 259 void Call::DestroyVideoSendStream(webrtc::VideoSendStream* send_stream) { |
260 TRACE_EVENT0("webrtc", "Call::DestroyVideoSendStream"); | 260 TRACE_EVENT0("webrtc", "Call::DestroyVideoSendStream"); |
261 DCHECK(send_stream != nullptr); | 261 RTC_DCHECK(send_stream != nullptr); |
262 | 262 |
263 send_stream->Stop(); | 263 send_stream->Stop(); |
264 | 264 |
265 VideoSendStream* send_stream_impl = nullptr; | 265 VideoSendStream* send_stream_impl = nullptr; |
266 { | 266 { |
267 WriteLockScoped write_lock(*send_crit_); | 267 WriteLockScoped write_lock(*send_crit_); |
268 auto it = video_send_ssrcs_.begin(); | 268 auto it = video_send_ssrcs_.begin(); |
269 while (it != video_send_ssrcs_.end()) { | 269 while (it != video_send_ssrcs_.end()) { |
270 if (it->second == static_cast<VideoSendStream*>(send_stream)) { | 270 if (it->second == static_cast<VideoSendStream*>(send_stream)) { |
271 send_stream_impl = it->second; | 271 send_stream_impl = it->second; |
272 video_send_ssrcs_.erase(it++); | 272 video_send_ssrcs_.erase(it++); |
273 } else { | 273 } else { |
274 ++it; | 274 ++it; |
275 } | 275 } |
276 } | 276 } |
277 video_send_streams_.erase(send_stream_impl); | 277 video_send_streams_.erase(send_stream_impl); |
278 } | 278 } |
279 CHECK(send_stream_impl != nullptr); | 279 RTC_CHECK(send_stream_impl != nullptr); |
280 | 280 |
281 VideoSendStream::RtpStateMap rtp_state = send_stream_impl->GetRtpStates(); | 281 VideoSendStream::RtpStateMap rtp_state = send_stream_impl->GetRtpStates(); |
282 | 282 |
283 for (VideoSendStream::RtpStateMap::iterator it = rtp_state.begin(); | 283 for (VideoSendStream::RtpStateMap::iterator it = rtp_state.begin(); |
284 it != rtp_state.end(); | 284 it != rtp_state.end(); |
285 ++it) { | 285 ++it) { |
286 suspended_video_send_ssrcs_[it->first] = it->second; | 286 suspended_video_send_ssrcs_[it->first] = it->second; |
287 } | 287 } |
288 | 288 |
289 delete send_stream_impl; | 289 delete send_stream_impl; |
290 } | 290 } |
291 | 291 |
292 webrtc::VideoReceiveStream* Call::CreateVideoReceiveStream( | 292 webrtc::VideoReceiveStream* Call::CreateVideoReceiveStream( |
293 const webrtc::VideoReceiveStream::Config& config) { | 293 const webrtc::VideoReceiveStream::Config& config) { |
294 TRACE_EVENT0("webrtc", "Call::CreateVideoReceiveStream"); | 294 TRACE_EVENT0("webrtc", "Call::CreateVideoReceiveStream"); |
295 LOG(LS_INFO) << "CreateVideoReceiveStream: " << config.ToString(); | 295 LOG(LS_INFO) << "CreateVideoReceiveStream: " << config.ToString(); |
296 VideoReceiveStream* receive_stream = new VideoReceiveStream( | 296 VideoReceiveStream* receive_stream = new VideoReceiveStream( |
297 num_cpu_cores_, channel_group_.get(), | 297 num_cpu_cores_, channel_group_.get(), |
298 rtc::AtomicOps::Increment(&next_channel_id_), config, | 298 rtc::AtomicOps::Increment(&next_channel_id_), config, |
299 config_.voice_engine); | 299 config_.voice_engine); |
300 | 300 |
301 // This needs to be taken before receive_crit_ as both locks need to be held | 301 // This needs to be taken before receive_crit_ as both locks need to be held |
302 // while changing network state. | 302 // while changing network state. |
303 rtc::CritScope lock(&network_enabled_crit_); | 303 rtc::CritScope lock(&network_enabled_crit_); |
304 WriteLockScoped write_lock(*receive_crit_); | 304 WriteLockScoped write_lock(*receive_crit_); |
305 DCHECK(video_receive_ssrcs_.find(config.rtp.remote_ssrc) == | 305 RTC_DCHECK(video_receive_ssrcs_.find(config.rtp.remote_ssrc) == |
306 video_receive_ssrcs_.end()); | 306 video_receive_ssrcs_.end()); |
307 video_receive_ssrcs_[config.rtp.remote_ssrc] = receive_stream; | 307 video_receive_ssrcs_[config.rtp.remote_ssrc] = receive_stream; |
308 // TODO(pbos): Configure different RTX payloads per receive payload. | 308 // TODO(pbos): Configure different RTX payloads per receive payload. |
309 VideoReceiveStream::Config::Rtp::RtxMap::const_iterator it = | 309 VideoReceiveStream::Config::Rtp::RtxMap::const_iterator it = |
310 config.rtp.rtx.begin(); | 310 config.rtp.rtx.begin(); |
311 if (it != config.rtp.rtx.end()) | 311 if (it != config.rtp.rtx.end()) |
312 video_receive_ssrcs_[it->second.ssrc] = receive_stream; | 312 video_receive_ssrcs_[it->second.ssrc] = receive_stream; |
313 video_receive_streams_.insert(receive_stream); | 313 video_receive_streams_.insert(receive_stream); |
314 | 314 |
315 ConfigureSync(config.sync_group); | 315 ConfigureSync(config.sync_group); |
316 | 316 |
317 if (!network_enabled_) | 317 if (!network_enabled_) |
318 receive_stream->SignalNetworkState(kNetworkDown); | 318 receive_stream->SignalNetworkState(kNetworkDown); |
319 | 319 |
320 if (event_log_) | 320 if (event_log_) |
321 event_log_->LogVideoReceiveStreamConfig(config); | 321 event_log_->LogVideoReceiveStreamConfig(config); |
322 | 322 |
323 return receive_stream; | 323 return receive_stream; |
324 } | 324 } |
325 | 325 |
326 void Call::DestroyVideoReceiveStream( | 326 void Call::DestroyVideoReceiveStream( |
327 webrtc::VideoReceiveStream* receive_stream) { | 327 webrtc::VideoReceiveStream* receive_stream) { |
328 TRACE_EVENT0("webrtc", "Call::DestroyVideoReceiveStream"); | 328 TRACE_EVENT0("webrtc", "Call::DestroyVideoReceiveStream"); |
329 DCHECK(receive_stream != nullptr); | 329 RTC_DCHECK(receive_stream != nullptr); |
330 VideoReceiveStream* receive_stream_impl = nullptr; | 330 VideoReceiveStream* receive_stream_impl = nullptr; |
331 { | 331 { |
332 WriteLockScoped write_lock(*receive_crit_); | 332 WriteLockScoped write_lock(*receive_crit_); |
333 // Remove all ssrcs pointing to a receive stream. As RTX retransmits on a | 333 // Remove all ssrcs pointing to a receive stream. As RTX retransmits on a |
334 // separate SSRC there can be either one or two. | 334 // separate SSRC there can be either one or two. |
335 auto it = video_receive_ssrcs_.begin(); | 335 auto it = video_receive_ssrcs_.begin(); |
336 while (it != video_receive_ssrcs_.end()) { | 336 while (it != video_receive_ssrcs_.end()) { |
337 if (it->second == static_cast<VideoReceiveStream*>(receive_stream)) { | 337 if (it->second == static_cast<VideoReceiveStream*>(receive_stream)) { |
338 if (receive_stream_impl != nullptr) | 338 if (receive_stream_impl != nullptr) |
339 DCHECK(receive_stream_impl == it->second); | 339 RTC_DCHECK(receive_stream_impl == it->second); |
340 receive_stream_impl = it->second; | 340 receive_stream_impl = it->second; |
341 video_receive_ssrcs_.erase(it++); | 341 video_receive_ssrcs_.erase(it++); |
342 } else { | 342 } else { |
343 ++it; | 343 ++it; |
344 } | 344 } |
345 } | 345 } |
346 video_receive_streams_.erase(receive_stream_impl); | 346 video_receive_streams_.erase(receive_stream_impl); |
347 CHECK(receive_stream_impl != nullptr); | 347 RTC_CHECK(receive_stream_impl != nullptr); |
348 ConfigureSync(receive_stream_impl->config().sync_group); | 348 ConfigureSync(receive_stream_impl->config().sync_group); |
349 } | 349 } |
350 delete receive_stream_impl; | 350 delete receive_stream_impl; |
351 } | 351 } |
352 | 352 |
353 Call::Stats Call::GetStats() const { | 353 Call::Stats Call::GetStats() const { |
354 Stats stats; | 354 Stats stats; |
355 // Fetch available send/receive bitrates. | 355 // Fetch available send/receive bitrates. |
356 uint32_t send_bandwidth = 0; | 356 uint32_t send_bandwidth = 0; |
357 channel_group_->GetBitrateController()->AvailableBandwidth(&send_bandwidth); | 357 channel_group_->GetBitrateController()->AvailableBandwidth(&send_bandwidth); |
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369 if (rtt_ms > 0) | 369 if (rtt_ms > 0) |
370 stats.rtt_ms = rtt_ms; | 370 stats.rtt_ms = rtt_ms; |
371 } | 371 } |
372 } | 372 } |
373 return stats; | 373 return stats; |
374 } | 374 } |
375 | 375 |
376 void Call::SetBitrateConfig( | 376 void Call::SetBitrateConfig( |
377 const webrtc::Call::Config::BitrateConfig& bitrate_config) { | 377 const webrtc::Call::Config::BitrateConfig& bitrate_config) { |
378 TRACE_EVENT0("webrtc", "Call::SetBitrateConfig"); | 378 TRACE_EVENT0("webrtc", "Call::SetBitrateConfig"); |
379 DCHECK_GE(bitrate_config.min_bitrate_bps, 0); | 379 RTC_DCHECK_GE(bitrate_config.min_bitrate_bps, 0); |
380 if (bitrate_config.max_bitrate_bps != -1) | 380 if (bitrate_config.max_bitrate_bps != -1) |
381 DCHECK_GT(bitrate_config.max_bitrate_bps, 0); | 381 RTC_DCHECK_GT(bitrate_config.max_bitrate_bps, 0); |
382 if (config_.bitrate_config.min_bitrate_bps == | 382 if (config_.bitrate_config.min_bitrate_bps == |
383 bitrate_config.min_bitrate_bps && | 383 bitrate_config.min_bitrate_bps && |
384 (bitrate_config.start_bitrate_bps <= 0 || | 384 (bitrate_config.start_bitrate_bps <= 0 || |
385 config_.bitrate_config.start_bitrate_bps == | 385 config_.bitrate_config.start_bitrate_bps == |
386 bitrate_config.start_bitrate_bps) && | 386 bitrate_config.start_bitrate_bps) && |
387 config_.bitrate_config.max_bitrate_bps == | 387 config_.bitrate_config.max_bitrate_bps == |
388 bitrate_config.max_bitrate_bps) { | 388 bitrate_config.max_bitrate_bps) { |
389 // Nothing new to set, early abort to avoid encoder reconfigurations. | 389 // Nothing new to set, early abort to avoid encoder reconfigurations. |
390 return; | 390 return; |
391 } | 391 } |
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543 size_t length, | 543 size_t length, |
544 const PacketTime& packet_time) { | 544 const PacketTime& packet_time) { |
545 if (RtpHeaderParser::IsRtcp(packet, length)) | 545 if (RtpHeaderParser::IsRtcp(packet, length)) |
546 return DeliverRtcp(media_type, packet, length); | 546 return DeliverRtcp(media_type, packet, length); |
547 | 547 |
548 return DeliverRtp(media_type, packet, length, packet_time); | 548 return DeliverRtp(media_type, packet, length, packet_time); |
549 } | 549 } |
550 | 550 |
551 } // namespace internal | 551 } // namespace internal |
552 } // namespace webrtc | 552 } // namespace webrtc |
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