c20978e581
NOPRESUBMIT=True # cpplint errors that aren't caused by this CL. NOTRY=True NOTREECHECKS=True TBR=kwiberg@webrtc.org, kjellander@webrtc.org Bug: webrtc:7634 Change-Id: I3cca0fbaa807b563c95979cccd6d1bec32055f36 Reviewed-on: https://chromium-review.googlesource.com/562156 Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18919}
36 lines
1.0 KiB
C++
36 lines
1.0 KiB
C++
/*
|
|
* Copyright (c) 2015 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 WEBRTC_MODULES_VIDEO_CODING_UTILITY_MOVING_AVERAGE_H_
|
|
#define WEBRTC_MODULES_VIDEO_CODING_UTILITY_MOVING_AVERAGE_H_
|
|
|
|
#include <vector>
|
|
|
|
#include "webrtc/rtc_base/optional.h"
|
|
|
|
namespace webrtc {
|
|
class MovingAverage {
|
|
public:
|
|
explicit MovingAverage(size_t s);
|
|
void AddSample(int sample);
|
|
rtc::Optional<int> GetAverage() const;
|
|
rtc::Optional<int> GetAverage(size_t num_samples) const;
|
|
void Reset();
|
|
size_t size() const;
|
|
|
|
private:
|
|
size_t count_ = 0;
|
|
int sum_ = 0;
|
|
std::vector<int> sum_history_;
|
|
};
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_MODULES_VIDEO_CODING_UTILITY_MOVING_AVERAGE_H_
|