522d71bf36
This CL adds the remaining code for the first version of EchoCanceller3. TBR=aleloi@webrtc.org BUG=webrtc:6018 Review-Url: https://codereview.webrtc.org/2678423005 Cr-Commit-Position: refs/heads/master@{#16801}
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_
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#include "webrtc/base/array_view.h"
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#include "webrtc/base/constructormagic.h"
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namespace webrtc {
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// Performs the selection between which of the linear aec output and the
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// microphone signal should be used as the echo suppressor output.
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class OutputSelector {
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public:
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OutputSelector();
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~OutputSelector();
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// Forms the most appropriate output signal.
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void FormLinearOutput(rtc::ArrayView<const float> subtractor_output,
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rtc::ArrayView<float> capture);
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// Returns true if the linear aec output is the one used.
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bool UseSubtractorOutput() const { return use_subtractor_output_; }
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private:
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bool use_subtractor_output_ = false;
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int output_change_counter_ = 0;
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RTC_DISALLOW_COPY_AND_ASSIGN(OutputSelector);
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_OUTPUT_SELECTOR_H_
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