blob: 047bcac1ac2c635a782e0da40447fa7c015f2247 [file] [log] [blame]
/*
* 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_