blob: b6e0da70d857e0bd3d7bfdf5bc22ac11f7231a1c [file] [log] [blame]
* 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.
#include <vector>
#include "absl/types/optional.h"
#include "system_wrappers/include/clock.h"
namespace webrtc {
namespace test {
class PerformanceTimer {
explicit PerformanceTimer(int num_frames_to_process);
void StartTimer();
void StopTimer();
double GetDurationAverage() const;
double GetDurationStandardDeviation() const;
// These methods are the same as those above, but they ignore the first
// |number_of_warmup_samples| measurements.
double GetDurationAverage(size_t number_of_warmup_samples) const;
double GetDurationStandardDeviation(size_t number_of_warmup_samples) const;
webrtc::Clock* clock_;
absl::optional<int64_t> start_timestamp_us_;
std::vector<int64_t> timestamps_us_;
} // namespace test
} // namespace webrtc