Make process interval configurable for MaxCounter class.

webrtc/video/stats_counter.h

 /*
  *  Copyright (c) 2016 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 81 matching lines @@
 
   // Reports metrics for elapsed intervals to AggregatedCounter and pauses stats
   // (i.e. empty intervals will be discarded until next sample is added).
   void ProcessAndPause();
 
   // Checks if a sample has been added (i.e. Add or Set called).
   bool HasSample() const;
 
  protected:
   StatsCounter(Clock* clock,
+               int64_t process_intervals_ms,
                bool include_empty_intervals,
                StatsCounterObserver* observer);
 
   void Add(int sample);
   void Set(int sample);
 
   int max_;
   int64_t sum_;
   int64_t num_samples_;
   int64_t last_sum_;
 
   const std::unique_ptr<AggregatedCounter> aggregated_counter_;
+  const int64_t process_intervals_ms_;
 
  private:
   bool TimeToProcess(int* num_elapsed_intervals);
   void TryProcess();
   void ReportMetricToAggregatedCounter(int value, int num_values_to_add) const;
   bool IncludeEmptyIntervals() const;
 
   Clock* const clock_;
   const bool include_empty_intervals_;
   const std::unique_ptr<StatsCounterObserver> observer_;
@@ skipping 30 matching lines @@
 };
 
 // MaxCounter: maximum of samples
 //
 //           | *      *      *      | *           *       | ...
 //           | Add(5) Add(1) Add(6) | Add(5)      Add(5)  |
 // GetMetric | max: (5, 1, 6)       | max: (5, 5)         |
 //
 class MaxCounter : public StatsCounter {
  public:
-  MaxCounter(Clock* clock, StatsCounterObserver* observer);
+  MaxCounter(Clock* clock,
+             StatsCounterObserver* observer,
+             int64_t process_intervals_ms);
   ~MaxCounter() override {}
 
   void Add(int sample);
 
  private:
   bool GetMetric(int* metric) const override;
   int GetValueForEmptyInterval() const override;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(MaxCounter);
 };
@@ skipping 88 matching lines @@
  private:
   bool GetMetric(int* metric) const override;
   int GetValueForEmptyInterval() const override;  // Returns zero.
 
   RTC_DISALLOW_COPY_AND_ASSIGN(RateAccCounter);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_STATS_COUNTER_H_