1/* 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#ifndef WEBRTC_COMMON_AUDIO_FIR_FILTER_NEON_H_ 12#define WEBRTC_COMMON_AUDIO_FIR_FILTER_NEON_H_ 13 14#include "webrtc/common_audio/fir_filter.h" 15#include "webrtc/system_wrappers/interface/aligned_malloc.h" 16#include "webrtc/system_wrappers/interface/scoped_ptr.h" 17 18namespace webrtc { 19 20class FIRFilterNEON : public FIRFilter { 21 public: 22 FIRFilterNEON(const float* coefficients, 23 size_t coefficients_length, 24 size_t max_input_length); 25 26 virtual void Filter(const float* in, size_t length, float* out) OVERRIDE; 27 28 private: 29 size_t coefficients_length_; 30 size_t state_length_; 31 scoped_ptr<float[], AlignedFreeDeleter> coefficients_; 32 scoped_ptr<float[], AlignedFreeDeleter> state_; 33}; 34 35} // namespace webrtc 36 37#endif // WEBRTC_COMMON_AUDIO_FIR_FILTER_NEON_H_ 38