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/*
* Copyright (c) 2017 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 MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_
#define MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_
#include "api/array_view.h"
#include "rtc_base/constructormagic.h"
namespace webrtc {
// Performs the selection between which of the linear aec output and the
// microphone signal should be used as the echo suppressor output.
class OutputSelector {
public:
OutputSelector();
~OutputSelector();
// Forms the most appropriate output signal.
void FormLinearOutput(bool use_subtractor_output,
rtc::ArrayView<const float> subtractor_output,
rtc::ArrayView<float> capture);
// Returns true if the linear aec output is the one used.
bool UseSubtractorOutput() const { return use_subtractor_output_; }
private:
bool use_subtractor_output_ = false;
RTC_DISALLOW_COPY_AND_ASSIGN(OutputSelector);
};
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_