Remove GetOutputScaling from VoiceMediaChannel.

talk/media/webrtc/webrtcvoiceengine.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 2823 matching lines @@
       // Do not return if fails. SetOutputVolumePan is not available for all
       // pltforms.
     }
     LOG(LS_INFO) << "SetOutputScaling to left=" << left * scale
                  << " right=" << right * scale
                  << " for channel " << ch_id << " and ssrc " << ssrc;
   }
   return true;
 }
 
-bool WebRtcVoiceMediaChannel::GetOutputScaling(
-    uint32 ssrc, double* left, double* right) {
-  if (!left || !right) return false;
-
-  rtc::CritScope lock(&receive_channels_cs_);
-  // Determine which channel based on ssrc.
-  int channel = (0 == ssrc) ? voe_channel() : GetReceiveChannelNum(ssrc);
-  if (channel == -1) {
-    LOG(LS_WARNING) << "Cannot find channel for ssrc:" << ssrc;
-    return false;
-  }
-
-  float scaling;
-  if (-1 == engine()->voe()->volume()->GetChannelOutputVolumeScaling(
-      channel, scaling)) {
-    LOG_RTCERR2(GetChannelOutputVolumeScaling, channel, scaling);
-    return false;
-  }
-
-  float left_pan;
-  float right_pan;
-  if (-1 == engine()->voe()->volume()->GetOutputVolumePan(
-      channel, left_pan, right_pan)) {
-    LOG_RTCERR3(GetOutputVolumePan, channel, left_pan, right_pan);
-    // If GetOutputVolumePan fails, we use the default left and right pan.
-    left_pan = 1.0f;
-    right_pan = 1.0f;
-  }
-
-  *left = scaling * left_pan;
-  *right = scaling * right_pan;
-  return true;
-}
-
 bool WebRtcVoiceMediaChannel::SetRingbackTone(const char *buf, int len) {
   ringback_tone_.reset(new WebRtcSoundclipStream(buf, len));
   return true;
 }
 
 bool WebRtcVoiceMediaChannel::PlayRingbackTone(uint32 ssrc,
                                              bool play, bool loop) {
   if (!ringback_tone_) {
     return false;
   }
@@ skipping 759 matching lines @@
 
 int WebRtcSoundclipStream::Rewind() {
   mem_.Rewind();
   // Return -1 to keep VoiceEngine from looping.
   return (loop_) ? 0 : -1;
 }
 
 }  // namespace cricket
 
 #endif  // HAVE_WEBRTC_VOICE