| /* |
| * Copyright (c) 2012 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_AUDIO_PROCESSING_LOW_CUT_FILTER_H_ |
| #define WEBRTC_MODULES_AUDIO_PROCESSING_LOW_CUT_FILTER_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "webrtc/rtc_base/constructormagic.h" |
| |
| namespace webrtc { |
| |
| class AudioBuffer; |
| |
| class LowCutFilter { |
| public: |
| LowCutFilter(size_t channels, int sample_rate_hz); |
| ~LowCutFilter(); |
| void Process(AudioBuffer* audio); |
| |
| private: |
| class BiquadFilter; |
| std::vector<std::unique_ptr<BiquadFilter>> filters_; |
| RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(LowCutFilter); |
| }; |
| } // namespace webrtc |
| |
| #endif // WEBRTC_MODULES_AUDIO_PROCESSING_LOW_CUT_FILTER_H_ |