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Diffstat (limited to 'third_party/libwebrtc/modules/audio_processing/echo_detector/moving_max.h')
-rw-r--r-- | third_party/libwebrtc/modules/audio_processing/echo_detector/moving_max.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_processing/echo_detector/moving_max.h b/third_party/libwebrtc/modules/audio_processing/echo_detector/moving_max.h new file mode 100644 index 0000000000..f7d8ee8137 --- /dev/null +++ b/third_party/libwebrtc/modules/audio_processing/echo_detector/moving_max.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2017 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 MODULES_AUDIO_PROCESSING_ECHO_DETECTOR_MOVING_MAX_H_ +#define MODULES_AUDIO_PROCESSING_ECHO_DETECTOR_MOVING_MAX_H_ + +#include <stddef.h> + +namespace webrtc { + +class MovingMax { + public: + explicit MovingMax(size_t window_size); + ~MovingMax(); + + void Update(float value); + float max() const; + // Reset all of the state in this class. + void Clear(); + + private: + float max_value_ = 0.f; + size_t counter_ = 0; + size_t window_size_ = 1; +}; + +} // namespace webrtc + +#endif // MODULES_AUDIO_PROCESSING_ECHO_DETECTOR_MOVING_MAX_H_ |