text: /*
   *  Copyright (c) 2014 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_SSE_H_
  #define COMMON_AUDIO_FIR_FILTER_SSE_H_
  
  #include <stddef.h>
  #include <memory>
  
  #include "common_audio/fir_filter.h"
  #include "rtc_base/memory/aligned_malloc.h"
  
  namespace webrtc {
  
  class FIRFilterSSE2 : public FIRFilter {
   public:
    FIRFilterSSE2(const float* coefficients,
                  size_t coefficients_length,
                  size_t max_input_length);
    ~FIRFilterSSE2() 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[], AlignedFreeDeleter> coefficients_;
    std::unique_ptr<float[], AlignedFreeDeleter> state_;
  };
  
  }  // namespace webrtc
  
  #endif  // COMMON_AUDIO_FIR_FILTER_SSE_H_
  