Add algorithm for Residual Echo Detector.

webrtc/modules/audio_processing/residual_echo_detector.cc

 /*
  *  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 27 matching lines @@
 }
 
 void ResidualEchoDetector::AnalyzeCaptureAudio(const AudioBuffer* audio) {
   RTC_DCHECK_GE(160u, audio->num_frames_per_band());
 
   detector_->Process(
       rtc::ArrayView<const float>(audio->split_bands_const_f(0)[kBand0To8kHz],
                                   audio->num_frames_per_band()));
 }
 
-void ResidualEchoDetector::Initialize(int sample_rate_hz) {
-  RTC_DCHECK(sample_rate_hz == AudioProcessing::kSampleRate8kHz ||
-             sample_rate_hz == AudioProcessing::kSampleRate16kHz ||
-             sample_rate_hz == AudioProcessing::kSampleRate32kHz ||
-             sample_rate_hz == AudioProcessing::kSampleRate48kHz);
-
-  detector_->Initialize(sample_rate_hz);
+void ResidualEchoDetector::Initialize() {
+  detector_->Initialize();
 }
 
 void ResidualEchoDetector::ReadQueuedRenderData() {
   while (render_signal_queue_->Remove(&capture_queue_buffer_)) {
     const size_t num_frames_per_band = capture_queue_buffer_.size();
-    detector_->BufferFarend(rtc::ArrayView<const float>(
+    detector_->BufferRender(rtc::ArrayView<const float>(
         capture_queue_buffer_.data(), num_frames_per_band));
   }
 }
 
 float ResidualEchoDetector::get_echo_likelihood() const {
   return 0.0f;
 }
 
 }  // namespace webrtc