Add algorithm for Residual Echo Detector.

webrtc/modules/audio_processing/residual_echo_detector.h

 /*
  *  Copyright (c) 2016 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.
  */
 
@@ skipping 20 matching lines @@
 
   // This function should be called while holding the render lock.
   // Returns 0 on success and -1 when the render buffer is full. In that case,
   // ReadQueuedRenderData() should be called before calling this function again.
   int AnalyzeRenderAudio(const AudioBuffer* audio) const;
 
   // This function should be called while holding the capture lock.
   void AnalyzeCaptureAudio(const AudioBuffer* audio);
 
   // This function should be called while holding the capture lock.
-  void Initialize(int sample_rate_hz);
+  void Initialize();
 
   // Reads render side data that has been queued on the render call.
   // This function should be called while holding the capture lock.
   void ReadQueuedRenderData();
 
   // This function should be called while holding the capture lock.
   float get_echo_likelihood() const;
 
  private:
   mutable std::vector<float> render_queue_buffer_;
   std::vector<float> capture_queue_buffer_;
 
   // Lock protection not needed.
   mutable std::unique_ptr<
       SwapQueue<std::vector<float>, RenderQueueItemVerifier<float>>>
       render_signal_queue_;
 
   std::unique_ptr<EchoDetector> detector_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_RESIDUAL_ECHO_DETECTOR_H_