blob: 3ff66cd10c8c13a7ecadc9e75aab710b1123d60f [file] [log] [blame]
/*
* Copyright 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.
*/
#include "test/scenario/performance_stats.h"
#include <algorithm>
namespace webrtc {
namespace test {
void EventRateCounter::AddEvent(Timestamp event_time) {
if (first_time_.IsInfinite()) {
first_time_ = event_time;
} else {
RTC_DCHECK(event_time >= last_time_);
interval_.AddSample(event_time - last_time_);
}
last_time_ = event_time;
event_count_++;
}
void EventRateCounter::AddEvents(EventRateCounter other) {
first_time_ = std::min(first_time_, other.first_time_);
last_time_ = std::max(last_time_, other.last_time_);
event_count_ += other.event_count_;
interval_.AddSamples(other.interval_);
}
bool EventRateCounter::IsEmpty() const {
return first_time_ == last_time_;
}
double EventRateCounter::Rate() const {
if (event_count_ == 0)
return 0;
if (event_count_ == 1)
return NAN;
return (event_count_ - 1) / (last_time_ - first_time_).seconds<double>();
}
double SampleStats<double>::Max() {
if (IsEmpty())
return INFINITY;
return GetMax();
}
double SampleStats<double>::Mean() {
if (IsEmpty())
return 0;
return GetAverage();
}
double SampleStats<double>::Median() {
return Quantile(0.5);
}
double SampleStats<double>::Quantile(double quantile) {
if (IsEmpty())
return 0;
return GetPercentile(quantile);
}
double SampleStats<double>::Min() {
if (IsEmpty())
return -INFINITY;
return GetMin();
}
double SampleStats<double>::Variance() {
if (IsEmpty())
return 0;
return GetVariance();
}
double SampleStats<double>::StandardDeviation() {
return sqrt(Variance());
}
void SampleStats<TimeDelta>::AddSample(TimeDelta delta) {
RTC_DCHECK(delta.IsFinite());
stats_.AddSample(delta.seconds<double>());
}
void SampleStats<TimeDelta>::AddSampleMs(double delta_ms) {
AddSample(TimeDelta::ms(delta_ms));
}
void SampleStats<TimeDelta>::AddSamples(const SampleStats<TimeDelta>& other) {
stats_.AddSamples(other.stats_);
}
TimeDelta SampleStats<TimeDelta>::Max() {
return TimeDelta::seconds(stats_.Max());
}
TimeDelta SampleStats<TimeDelta>::Mean() {
return TimeDelta::seconds(stats_.Mean());
}
TimeDelta SampleStats<TimeDelta>::Median() {
return Quantile(0.5);
}
TimeDelta SampleStats<TimeDelta>::Quantile(double quantile) {
return TimeDelta::seconds(stats_.Quantile(quantile));
}
TimeDelta SampleStats<TimeDelta>::Min() {
return TimeDelta::seconds(stats_.Min());
}
TimeDelta SampleStats<TimeDelta>::Variance() {
return TimeDelta::seconds(stats_.Variance());
}
TimeDelta SampleStats<TimeDelta>::StandardDeviation() {
return TimeDelta::seconds(stats_.StandardDeviation());
}
void SampleStats<DataRate>::AddSample(DataRate sample) {
stats_.AddSample(sample.bps<double>());
}
void SampleStats<DataRate>::AddSampleBps(double rate_bps) {
stats_.AddSample(rate_bps);
}
void SampleStats<DataRate>::AddSamples(const SampleStats<DataRate>& other) {
stats_.AddSamples(other.stats_);
}
DataRate SampleStats<DataRate>::Max() {
return DataRate::bps(stats_.Max());
}
DataRate SampleStats<DataRate>::Mean() {
return DataRate::bps(stats_.Mean());
}
DataRate SampleStats<DataRate>::Median() {
return Quantile(0.5);
}
DataRate SampleStats<DataRate>::Quantile(double quantile) {
return DataRate::bps(stats_.Quantile(quantile));
}
DataRate SampleStats<DataRate>::Min() {
return DataRate::bps(stats_.Min());
}
DataRate SampleStats<DataRate>::Variance() {
return DataRate::bps(stats_.Variance());
}
DataRate SampleStats<DataRate>::StandardDeviation() {
return DataRate::bps(stats_.StandardDeviation());
}
void VideoFramesStats::AddFrameInfo(const VideoFrameBuffer& frame,
Timestamp at_time) {
++count;
RTC_DCHECK(at_time.IsFinite());
pixels.AddSample(frame.width() * frame.height());
resolution.AddSample(std::max(frame.width(), frame.height()));
frames.AddEvent(at_time);
}
void VideoFramesStats::AddStats(const VideoFramesStats& other) {
count += other.count;
pixels.AddSamples(other.pixels);
resolution.AddSamples(other.resolution);
frames.AddEvents(other.frames);
}
void VideoQualityStats::AddStats(const VideoQualityStats& other) {
capture.AddStats(other.capture);
render.AddStats(other.render);
lost_count += other.lost_count;
freeze_count += other.freeze_count;
end_to_end_delay.AddSamples(other.end_to_end_delay);
psnr.AddSamples(other.psnr);
skipped_between_rendered.AddSamples(other.skipped_between_rendered);
freeze_duration.AddSamples(other.freeze_duration);
time_between_freezes.AddSamples(other.time_between_freezes);
}
} // namespace test
} // namespace webrtc