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Diffstat (limited to 'webrtc/modules/video_coding/utility/include/moving_average.h')
-rw-r--r-- | webrtc/modules/video_coding/utility/include/moving_average.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/webrtc/modules/video_coding/utility/include/moving_average.h b/webrtc/modules/video_coding/utility/include/moving_average.h deleted file mode 100644 index 49c42c4ed4..0000000000 --- a/webrtc/modules/video_coding/utility/include/moving_average.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * 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 <list> - -#include "webrtc/typedefs.h" - -namespace webrtc { -template<class T> -class MovingAverage { - public: - MovingAverage(); - void AddSample(T sample); - bool GetAverage(size_t num_samples, T* average); - void Reset(); - int size(); - - private: - T sum_; - std::list<T> samples_; -}; - -template<class T> -MovingAverage<T>::MovingAverage() : sum_(static_cast<T>(0)) { -} - -template<class T> -void MovingAverage<T>::AddSample(T sample) { - samples_.push_back(sample); - sum_ += sample; -} - -template<class T> -bool MovingAverage<T>::GetAverage(size_t num_samples, T* avg) { - if (num_samples > samples_.size()) - return false; - - // Remove old samples. - while (num_samples < samples_.size()) { - sum_ -= samples_.front(); - samples_.pop_front(); - } - - *avg = sum_ / static_cast<T>(num_samples); - return true; -} - -template<class T> -void MovingAverage<T>::Reset() { - sum_ = static_cast<T>(0); - samples_.clear(); -} - -template<class T> -int MovingAverage<T>::size() { - return samples_.size(); -} - -} // namespace webrtc - -#endif // WEBRTC_MODULES_VIDEO_CODING_MOVING_AVERAGE_SCALER_H_ |