NetEq: Implement logging of Delayed Packet Outage Events

webrtc/modules/audio_coding/neteq/statistics_calculator.h

 /*
  *  Copyright (c) 2013 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 55 matching lines @@
   // Increases the report interval counter with |num_samples| at a sample rate
   // of |fs_hz|.
   void IncreaseCounter(int num_samples, int fs_hz);
 
   // Stores new packet waiting time in waiting time statistics.
   void StoreWaitingTime(int waiting_time_ms);
 
   // Reports that |num_samples| samples were decoded from secondary packets.
   void SecondaryDecodedSamples(int num_samples);
 
+  // Logs a delayed packet outage event of |outage_duration_ms|. A delayed
+  // packet outage event is defined as an expand period caused not by an actual
+  // packet loss, but by a delayed packet.
+  virtual void LogDelayedPacketOutageEvent(int outage_duration_ms);
+
   // Returns the current network statistics in |stats|. The current sample rate
   // is |fs_hz|, the total number of samples in packet buffer and sync buffer
   // yet to play out is |num_samples_in_buffers|, and the number of samples per
   // packet is |samples_per_packet|.
   void GetNetworkStatistics(int fs_hz,
                             int num_samples_in_buffers,
                             int samples_per_packet,
                             const DelayManager& delay_manager,
                             const DecisionLogic& decision_logic,
                             NetEqNetworkStatistics *stats);
@@ skipping 18 matching lines @@
   int waiting_times_[kLenWaitingTimes];  // Used as a circular buffer.
   int len_waiting_times_;
   int next_waiting_time_index_;
   uint32_t secondary_decoded_samples_;
 
   DISALLOW_COPY_AND_ASSIGN(StatisticsCalculator);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_STATISTICS_CALCULATOR_H_