Negotiate the same SRTP crypto suites for every DTLS association formed.

webrtc/pc/peerconnectionfactory.cc

 /*
  *  Copyright 2004 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 201 matching lines @@
 
   std::unique_ptr<cricket::MediaEngineInterface> media_engine =
       worker_thread_->Invoke<std::unique_ptr<cricket::MediaEngineInterface>>(
           RTC_FROM_HERE,
           rtc::Bind(&PeerConnectionFactory::CreateMediaEngine_w, this));
 
   channel_manager_.reset(new cricket::ChannelManager(
       std::move(media_engine), worker_thread_, network_thread_));
 
   channel_manager_->SetVideoRtxEnabled(true);
-  channel_manager_->SetCryptoOptions(options_.crypto_options);
   if (!channel_manager_->Init()) {
     return false;
   }
 
   return true;
 }
 
 void PeerConnectionFactory::SetOptions(const Options& options) {
   options_ = options;
-  if (channel_manager_) {
-    channel_manager_->SetCryptoOptions(options.crypto_options);
-  }
 }
 
 rtc::scoped_refptr<AudioSourceInterface>
 PeerConnectionFactory::CreateAudioSource(
     const MediaConstraintsInterface* constraints) {
   RTC_DCHECK(signaling_thread_->IsCurrent());
   rtc::scoped_refptr<LocalAudioSource> source(
       LocalAudioSource::Create(constraints));
   return source;
 }
@@ skipping 118 matching lines @@
     webrtc::RtcEventLog* event_log) const {
   RTC_DCHECK(signaling_thread_->IsCurrent());
   return MediaControllerInterface::Create(config, worker_thread_,
                                           channel_manager_.get(), event_log);
 }
 
 cricket::TransportController* PeerConnectionFactory::CreateTransportController(
     cricket::PortAllocator* port_allocator,
     bool redetermine_role_on_ice_restart) {
   RTC_DCHECK(signaling_thread_->IsCurrent());
-  return new cricket::TransportController(signaling_thread_, network_thread_,
-                                          port_allocator,
-                                          redetermine_role_on_ice_restart);
+  return new cricket::TransportController(
+      signaling_thread_, network_thread_, port_allocator,
+      redetermine_role_on_ice_restart, options_.crypto_options);
 }
 
 rtc::Thread* PeerConnectionFactory::signaling_thread() {
   // This method can be called on a different thread when the factory is
   // created in CreatePeerConnectionFactory().
   return signaling_thread_;
 }
 
 rtc::Thread* PeerConnectionFactory::worker_thread() {
   RTC_DCHECK(signaling_thread_->IsCurrent());
   return worker_thread_;
 }
 
 rtc::Thread* PeerConnectionFactory::network_thread() {
   return network_thread_;
 }
 
 std::unique_ptr<cricket::MediaEngineInterface>
 PeerConnectionFactory::CreateMediaEngine_w() {
   RTC_DCHECK(worker_thread_ == rtc::Thread::Current());
   return std::unique_ptr<cricket::MediaEngineInterface>(
       cricket::WebRtcMediaEngineFactory::Create(
           default_adm_.get(), audio_decoder_factory_,
           video_encoder_factory_.get(), video_decoder_factory_.get(),
           external_audio_mixer_));
 }
 
 }  // namespace webrtc