Bitexactness test for the noise suppressor

webrtc/modules/audio_processing/test/audio_buffer_tools.h

 /*
  *  Copyright (c) 2015 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 WEBRTC_MODULES_AUDIO_PROCESSING_TEST_AUDIO_BUFFER_TOOLS_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_TEST_AUDIO_BUFFER_TOOLS_H_
 
 #include <vector>
+#include "webrtc/base/array_view.h"
 #include "webrtc/modules/audio_processing/audio_buffer.h"
 #include "webrtc/modules/audio_processing/include/audio_processing.h"
 
 namespace webrtc {
 namespace test {
 
 // Copies a vector into an audiobuffer.
 void CopyVectorToAudioBuffer(const StreamConfig& stream_config,
-                             const std::vector<float>& source,
+                             rtc::ArrayView<const float> source,
                              AudioBuffer* destination);
 
 // Extracts a vector from an audiobuffer.
-std::vector<float> ExtractVectorFromAudioBuffer(
-    const StreamConfig& stream_config,
-    AudioBuffer* source);
+void ExtractVectorFromAudioBuffer(const StreamConfig& stream_config,
+                                  AudioBuffer* source,
+                                  std::vector<float>* destination);
 
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_TEST_AUDIO_BUFFER_TOOLS_H_