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| 1 /* |
| 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_DETECTOR_MOVING_MAX_H_ |
| 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_DETECTOR_MOVING_MAX_H_ |
| 13 |
| 14 #include <stddef.h> |
| 15 |
| 16 namespace webrtc { |
| 17 |
| 18 class MovingMax { |
| 19 public: |
| 20 explicit MovingMax(size_t window_size); |
| 21 ~MovingMax(); |
| 22 |
| 23 void Update(float value); |
| 24 float max() const; |
| 25 // Reset all of the state in this class. |
| 26 void Clear(); |
| 27 |
| 28 private: |
| 29 float max_value_ = 0.f; |
| 30 size_t counter_ = 0; |
| 31 size_t window_size_ = 1; |
| 32 }; |
| 33 |
| 34 } // namespace webrtc |
| 35 |
| 36 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_DETECTOR_MOVING_MAX_H_ |
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