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_SSE_H_ 12 #define WEBRTC_COMMON_AUDIO_FIR_FILTER_SSE_H_ 13 14 #include "webrtc/base/scoped_ptr.h" 15 #include "webrtc/common_audio/fir_filter.h" 16 #include "webrtc/system_wrappers/include/aligned_malloc.h" 17 18 namespace webrtc { 19 20 class FIRFilterSSE2 : public FIRFilter { 21 public: 22 FIRFilterSSE2(const float* coefficients, 23 size_t coefficients_length, 24 size_t max_input_length); 25 26 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 rtc::scoped_ptr<float[], AlignedFreeDeleter> coefficients_; 32 rtc::scoped_ptr<float[], AlignedFreeDeleter> state_; 33 }; 34 35 } // namespace webrtc 36 37 #endif // WEBRTC_COMMON_AUDIO_FIR_FILTER_SSE_H_ 38
