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/*
* 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 COMMON_AUDIO_FIR_FILTER_C_H_
#define COMMON_AUDIO_FIR_FILTER_C_H_
#include <string.h>
#include <memory>
#include "common_audio/fir_filter.h"
namespace webrtc {
class FIRFilterC : public FIRFilter {
public:
FIRFilterC(const float* coefficients, size_t coefficients_length);
~FIRFilterC() override;
void Filter(const float* in, size_t length, float* out) override;
private:
size_t coefficients_length_;
size_t state_length_;
std::unique_ptr<float[]> coefficients_;
std::unique_ptr<float[]> state_;
};
} // namespace webrtc
#endif // COMMON_AUDIO_FIR_FILTER_C_H_
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