38 lines
1008 B
C++
38 lines
1008 B
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef COMMON_AUDIO_FIR_FILTER_C_H_
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#define COMMON_AUDIO_FIR_FILTER_C_H_
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#include <string.h>
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#include <memory>
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#include "common_audio/fir_filter.h"
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namespace webrtc {
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class FIRFilterC : public FIRFilter {
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public:
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FIRFilterC(const float* coefficients, size_t coefficients_length);
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~FIRFilterC() override;
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void Filter(const float* in, size_t length, float* out) override;
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private:
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size_t coefficients_length_;
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size_t state_length_;
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std::unique_ptr<float[]> coefficients_;
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std::unique_ptr<float[]> state_;
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};
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} // namespace webrtc
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#endif // COMMON_AUDIO_FIR_FILTER_C_H_
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