Add new decoding statistics for muted output

webrtc/common_types.h

 /*
  *  Copyright (c) 2012 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 367 matching lines @@
 };
 
 // Statistics for calls to AudioCodingModule::PlayoutData10Ms().
 struct AudioDecodingCallStats {
   AudioDecodingCallStats()
       : calls_to_silence_generator(0),
         calls_to_neteq(0),
         decoded_normal(0),
         decoded_plc(0),
         decoded_cng(0),
-        decoded_plc_cng(0) {}
+        decoded_plc_cng(0),
+        decoded_muted_output(0) {}
 
   int calls_to_silence_generator;  // Number of calls where silence generated,
                                    // and NetEq was disengaged from decoding.
   int calls_to_neteq;              // Number of calls to NetEq.
   int decoded_normal;  // Number of calls where audio RTP packet decoded.
   int decoded_plc;     // Number of calls resulted in PLC.
   int decoded_cng;  // Number of calls where comfort noise generated due to DTX.
   int decoded_plc_cng;  // Number of calls resulted where PLC faded to CNG.
+  int decoded_muted_output;  // Number of calls returning a muted state output.
 };
 
 // Type of Noise Suppression.
 enum NsModes {
   kNsUnchanged = 0,   // previously set mode
   kNsDefault,         // platform default
   kNsConference,      // conferencing default
   kNsLowSuppression,  // lowest suppression
   kNsModerateSuppression,
   kNsHighSuppression,
@@ skipping 412 matching lines @@
 enum class RtcpMode { kOff, kCompound, kReducedSize };
 
 enum NetworkState {
   kNetworkUp,
   kNetworkDown,
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_COMMON_TYPES_H_