Change SetOutputScaling to set a single level, not left/right levels.

talk/session/media/channel.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 1329 matching lines @@
 }
 
 bool VoiceChannel::InsertDtmf(uint32_t ssrc,
                               int event_code,
                               int duration,
                               int flags) {
   return InvokeOnWorker(Bind(&VoiceChannel::InsertDtmf_w, this,
                              ssrc, event_code, duration, flags));
 }
 
-bool VoiceChannel::SetOutputScaling(uint32_t ssrc, double left, double right) {
-  return InvokeOnWorker(Bind(&VoiceMediaChannel::SetOutputScaling,
-                             media_channel(), ssrc, left, right));
+bool VoiceChannel::SetOutputVolume(uint32_t ssrc, double volume) {
+  return InvokeOnWorker(Bind(&VoiceMediaChannel::SetOutputVolume,
+                             media_channel(), ssrc, volume));
 }
 
 bool VoiceChannel::GetStats(VoiceMediaInfo* stats) {
   return InvokeOnWorker(Bind(&VoiceMediaChannel::GetStats,
                              media_channel(), stats));
 }
 
 void VoiceChannel::StartMediaMonitor(int cms) {
   media_monitor_.reset(new VoiceMediaMonitor(media_channel(), worker_thread(),
       rtc::Thread::Current()));
@@ skipping 929 matching lines @@
   return (data_channel_type_ == DCT_RTP);
 }
 
 void DataChannel::OnStreamClosedRemotely(uint32_t sid) {
   rtc::TypedMessageData<uint32_t>* message =
       new rtc::TypedMessageData<uint32_t>(sid);
   signaling_thread()->Post(this, MSG_STREAMCLOSEDREMOTELY, message);
 }
 
 }  // namespace cricket