78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
/*
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* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_NUMERICS_SAMPLE_STATS_H_
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#define RTC_BASE_NUMERICS_SAMPLE_STATS_H_
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#include "api/units/data_rate.h"
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#include "api/units/time_delta.h"
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#include "api/units/timestamp.h"
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#include "rtc_base/numerics/samples_stats_counter.h"
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namespace webrtc {
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template <typename T>
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class SampleStats;
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// TODO(srte): Merge this implementation with SamplesStatsCounter.
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template <>
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class SampleStats<double> : public SamplesStatsCounter {
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public:
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double Max();
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double Mean();
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double Median();
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double Quantile(double quantile);
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double Min();
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double Variance();
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double StandardDeviation();
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int Count();
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};
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template <>
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class SampleStats<TimeDelta> {
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public:
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void AddSample(TimeDelta delta);
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void AddSampleMs(double delta_ms);
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void AddSamples(const SampleStats<TimeDelta>& other);
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bool IsEmpty();
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TimeDelta Max();
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TimeDelta Mean();
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TimeDelta Median();
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TimeDelta Quantile(double quantile);
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TimeDelta Min();
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TimeDelta Variance();
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TimeDelta StandardDeviation();
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int Count();
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private:
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SampleStats<double> stats_;
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};
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template <>
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class SampleStats<DataRate> {
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public:
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void AddSample(DataRate rate);
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void AddSampleBps(double rate_bps);
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void AddSamples(const SampleStats<DataRate>& other);
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bool IsEmpty();
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DataRate Max();
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DataRate Mean();
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DataRate Median();
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DataRate Quantile(double quantile);
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DataRate Min();
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DataRate Variance();
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DataRate StandardDeviation();
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int Count();
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private:
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SampleStats<double> stats_;
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};
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} // namespace webrtc
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#endif // RTC_BASE_NUMERICS_SAMPLE_STATS_H_
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