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

talk/media/base/mediachannel.h

Index: talk/media/base/mediachannel.h
diff --git a/talk/media/base/mediachannel.h b/talk/media/base/mediachannel.h
index bf06e236861ed01e8d6ba63b3735e2cb629e3ca5..4bd9c5674a5f3c1ebedcfb289a7506fcb67b2ed1 100644
--- a/talk/media/base/mediachannel.h
+++ b/talk/media/base/mediachannel.h
@@ -1086,8 +1086,8 @@ class VoiceMediaChannel : public MediaChannel {
   virtual void SetTypingDetectionParameters(int time_window,
     int cost_per_typing, int reporting_threshold, int penalty_decay,
     int type_event_delay) = 0;
-  // Set left and right scale for speaker output volume of the specified ssrc.
-  virtual bool SetOutputScaling(uint32_t ssrc, double left, double right) = 0;
+  // Set scaling for speaker output volume of the specified ssrc.
+  virtual bool SetOutputScaling(uint32_t ssrc, double volume) = 0;

[pthatcher1, 2015/10/08 18:37:49]

Can you rename this SetOutputVolume?

[the sun, 2015/10/09 08:01:21]

Done.

   // Returns if the telephone-event has been negotiated.
   virtual bool CanInsertDtmf() { return false; }
   // Send and/or play a DTMF |event| according to the |flags|.