Introduce struct MediaConfig, with construction-time settings.

talk/session/media/channelmanager.cc

 /*
  * libjingle
  * Copyright 2004 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 248 matching lines @@
 
 VoiceChannel* ChannelManager::CreateVoiceChannel_w(
     webrtc::MediaControllerInterface* media_controller,
     TransportController* transport_controller,
     const std::string& content_name,
     bool rtcp,
     const AudioOptions& options) {
   ASSERT(initialized_);
   ASSERT(worker_thread_ == rtc::Thread::Current());
   ASSERT(nullptr != media_controller);
-  VoiceMediaChannel* media_channel =
-      media_engine_->CreateChannel(media_controller->call_w(), options);
+  VoiceMediaChannel* media_channel = media_engine_->CreateChannel(
+      media_controller->call_w(), media_controller->config(), options);
   if (!media_channel)
     return nullptr;
 
   VoiceChannel* voice_channel =
       new VoiceChannel(worker_thread_, media_engine_.get(), media_channel,
                        transport_controller, content_name, rtcp);
   if (!voice_channel->Init()) {
     delete voice_channel;
     return nullptr;
   }
@@ skipping 36 matching lines @@
 
 VideoChannel* ChannelManager::CreateVideoChannel_w(
     webrtc::MediaControllerInterface* media_controller,
     TransportController* transport_controller,
     const std::string& content_name,
     bool rtcp,
     const VideoOptions& options) {
   ASSERT(initialized_);
   ASSERT(worker_thread_ == rtc::Thread::Current());
   ASSERT(nullptr != media_controller);
-  VideoMediaChannel* media_channel =
-      media_engine_->CreateVideoChannel(media_controller->call_w(), options);
+  VideoMediaChannel* media_channel = media_engine_->CreateVideoChannel(
+      media_controller->call_w(), media_controller->config(), options);
   if (media_channel == NULL) {
     return NULL;
   }
 
   VideoChannel* video_channel = new VideoChannel(
       worker_thread_, media_channel, transport_controller, content_name, rtcp);
   if (!video_channel->Init()) {
     delete video_channel;
     return NULL;
   }
@@ skipping 228 matching lines @@
   return worker_thread_->Invoke<bool>(
       Bind(&MediaEngineInterface::StartRtcEventLog, media_engine_.get(), file));
 }
 
 void ChannelManager::StopRtcEventLog() {
   worker_thread_->Invoke<void>(
       Bind(&MediaEngineInterface::StopRtcEventLog, media_engine_.get()));
 }
 
 }  // namespace cricket