NetEq: Implement logging of Delayed Packet Outage Events

webrtc/modules/audio_coding/neteq/expand.h

Index: webrtc/modules/audio_coding/neteq/expand.h
diff --git a/webrtc/modules/audio_coding/neteq/expand.h b/webrtc/modules/audio_coding/neteq/expand.h
index 5fb117d519c684cf8ba8e978228b98ddc8da9c75..3fbafdb97fbaec292dc8248628a33af2b346b6b9 100644
--- a/webrtc/modules/audio_coding/neteq/expand.h
+++ b/webrtc/modules/audio_coding/neteq/expand.h
@@ -23,6 +23,7 @@ namespace webrtc {
 // Forward declarations.
 class BackgroundNoise;
 class RandomVector;
+class StatisticsCalculator;
 class SyncBuffer;
 
 // This class handles extrapolation of audio data from the sync_buffer to
@@ -34,6 +35,7 @@ class Expand {
   Expand(BackgroundNoise* background_noise,
          SyncBuffer* sync_buffer,
          RandomVector* random_vector,
+         StatisticsCalculator* statistics,
          int fs,
          size_t num_channels);
 
@@ -86,8 +88,8 @@ class Expand {
   // necessary to produce concealment data.
   void AnalyzeSignal(int16_t* random_vector);
 
-  RandomVector* random_vector_;
-  SyncBuffer* sync_buffer_;
+  RandomVector* const random_vector_;
+  SyncBuffer* const sync_buffer_;
   bool first_expand_;
   const int fs_hz_;
   const size_t num_channels_;
@@ -127,13 +129,15 @@ class Expand {
 
   void UpdateLagIndex();
 
-  BackgroundNoise* background_noise_;
+  BackgroundNoise* const background_noise_;
+  StatisticsCalculator* const statistics_;
   const size_t overlap_length_;
   int16_t max_lag_;
   size_t expand_lags_[kNumLags];
   int lag_index_direction_;
   int current_lag_index_;
   bool stop_muting_;
+  size_t expand_duration_samples_;
   rtc::scoped_ptr<ChannelParameters[]> channel_parameters_;
 
   DISALLOW_COPY_AND_ASSIGN(Expand);
@@ -146,6 +150,7 @@ struct ExpandFactory {
   virtual Expand* Create(BackgroundNoise* background_noise,
                          SyncBuffer* sync_buffer,
                          RandomVector* random_vector,
+                         StatisticsCalculator* statistics,
                          int fs,
                          size_t num_channels) const;
 };