Support for two audio codec lists down into WebRtcVoiceEngine.

webrtc/pc/channelmanager.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 81 matching lines @@
   // app.
   if (!initialized_) {
     enable_rtx_ = enable;
     return true;
   } else {
     LOG(LS_WARNING) << "Cannot toggle rtx after initialization!";
     return false;
   }
 }
 
-void ChannelManager::GetSupportedAudioCodecs(
+void ChannelManager::GetSupportedAudioSendCodecs(
     std::vector<AudioCodec>* codecs) const {
-  codecs->clear();
+  *codecs = media_engine_->audio_send_codecs();
+}
 
-  for (std::vector<AudioCodec>::const_iterator it =
-           media_engine_->audio_codecs().begin();
-      it != media_engine_->audio_codecs().end(); ++it) {
-    codecs->push_back(*it);
-  }
+void ChannelManager::GetSupportedAudioReceiveCodecs(
+    std::vector<AudioCodec>* codecs) const {
+  *codecs = media_engine_->audio_recv_codecs();
 }
 
 void ChannelManager::GetSupportedAudioRtpHeaderExtensions(
     RtpHeaderExtensions* ext) const {
   *ext = media_engine_->GetAudioCapabilities().header_extensions;
 }
 
 void ChannelManager::GetSupportedVideoCodecs(
     std::vector<VideoCodec>* codecs) const {
   codecs->clear();
@@ skipping 296 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