NetEq: Add functionality to assist with delay analysis and tooling

webrtc/modules/audio_coding/neteq/neteq_impl.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 121 matching lines @@
   void RemoveAllPayloadTypes() override;
 
   bool SetMinimumDelay(int delay_ms) override;
 
   bool SetMaximumDelay(int delay_ms) override;
 
   int LeastRequiredDelayMs() const override;
 
   int SetTargetDelay() override;
 
-  int TargetDelay() override;
+  int TargetDelayMs() override;
 
   int CurrentDelayMs() const override;
 
   int FilteredCurrentDelayMs() const override;
 
   // Sets the playout mode to |mode|.
   // Deprecated.
   // TODO(henrik.lundin) Delete.
   void SetPlayoutMode(NetEqPlayoutMode mode) override;
 
@@ skipping 47 matching lines @@
 
   void PacketBufferStatistics(int* current_num_packets,
                               int* max_num_packets) const override;
 
   void EnableNack(size_t max_nack_list_size) override;
 
   void DisableNack() override;
 
   std::vector<uint16_t> GetNackList(int64_t round_trip_time_ms) const override;
 
+  std::vector<uint32_t> LastDecodedTimestamps() const override;
+
+  int SyncBufferSizeMs() const override;
+
   // This accessor method is only intended for testing purposes.
   const SyncBuffer* sync_buffer_for_test() const;
   Operations last_operation_for_test() const;
 
  protected:
   static const int kOutputSizeMs = 10;
   static const size_t kMaxFrameSize = 5760;  // 120 ms @ 48 kHz.
   // TODO(hlundin): Provide a better value for kSyncBufferSize.
   // Current value is kMaxFrameSize + 60 ms * 48 kHz, which is enough for
   // calculating correlations of current frame against history.
@@ skipping 187 matching lines @@
   const BackgroundNoiseMode background_noise_mode_ GUARDED_BY(crit_sect_);
   NetEqPlayoutMode playout_mode_ GUARDED_BY(crit_sect_);
   bool enable_fast_accelerate_ GUARDED_BY(crit_sect_);
   std::unique_ptr<NackTracker> nack_ GUARDED_BY(crit_sect_);
   bool nack_enabled_ GUARDED_BY(crit_sect_);
   const bool enable_muted_state_ GUARDED_BY(crit_sect_);
   AudioFrame::VADActivity last_vad_activity_ GUARDED_BY(crit_sect_) =
       AudioFrame::kVadPassive;
   std::unique_ptr<TickTimer::Stopwatch> generated_noise_stopwatch_
       GUARDED_BY(crit_sect_);
+  std::vector<uint32_t> last_decoded_timestamps_ GUARDED_BY(crit_sect_);
 
  private:
   RTC_DISALLOW_COPY_AND_ASSIGN(NetEqImpl);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_NETEQ_IMPL_H_