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/*
* Copyright (c) 2019 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.
*/
#ifndef RTC_BASE_NUMERICS_SAMPLE_STATS_H_
#define RTC_BASE_NUMERICS_SAMPLE_STATS_H_
#include "api/numerics/samples_stats_counter.h"
#include "api/units/data_rate.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
namespace webrtc {
template <typename T>
class SampleStats;
// TODO(srte): Merge this implementation with SamplesStatsCounter.
template <>
class SampleStats<double> : public SamplesStatsCounter {
public:
double Max();
double Mean();
double Median();
double Quantile(double quantile);
double Min();
double Variance();
double StandardDeviation();
int Count();
};
template <>
class SampleStats<TimeDelta> {
public:
void AddSample(TimeDelta delta);
void AddSampleMs(double delta_ms);
void AddSamples(const SampleStats<TimeDelta>& other);
bool IsEmpty();
TimeDelta Max();
TimeDelta Mean();
TimeDelta Median();
TimeDelta Quantile(double quantile);
TimeDelta Min();
TimeDelta Variance();
TimeDelta StandardDeviation();
int Count();
private:
SampleStats<double> stats_;
};
template <>
class SampleStats<DataRate> {
public:
void AddSample(DataRate rate);
void AddSampleBps(double rate_bps);
void AddSamples(const SampleStats<DataRate>& other);
bool IsEmpty();
DataRate Max();
DataRate Mean();
DataRate Median();
DataRate Quantile(double quantile);
DataRate Min();
DataRate Variance();
DataRate StandardDeviation();
int Count();
private:
SampleStats<double> stats_;
};
} // namespace webrtc
#endif // RTC_BASE_NUMERICS_SAMPLE_STATS_H_
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