e0eae3cec6
It will be followed by a number of other CLs that extends this framework. BUG=webrtc:6018 Review-Url: https://codereview.webrtc.org/2567513003 Cr-Commit-Position: refs/heads/master@{#15593}
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
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* Copyright (c) 2016 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_ECHO_CANCELLER3_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_ECHO_CANCELLER3_H_
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#include <string>
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#include "webrtc/base/constructormagic.h"
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#include "webrtc/modules/audio_processing/audio_buffer.h"
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namespace webrtc {
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class EchoCanceller3 {
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public:
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EchoCanceller3(int sample_rate_hz, bool use_anti_hum_filter);
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~EchoCanceller3();
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// Analyzes and stores an internal copy of the split-band domain render
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// signal.
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bool AnalyzeRender(AudioBuffer* farend);
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// Analyzes the full-band domain capture signal to detect signal saturation.
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void AnalyzeCapture(AudioBuffer* capture);
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// Processes the split-band domain capture signal in order to remove any echo
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// present in the signal.
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void ProcessCapture(AudioBuffer* capture, bool known_echo_path_change);
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// Validates a config.
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static bool Validate(const AudioProcessing::Config::EchoCanceller3& config);
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// Dumps a config to a string.
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static std::string ToString(
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const AudioProcessing::Config::EchoCanceller3& config);
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private:
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static int instance_count_;
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size_t frame_length_;
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(EchoCanceller3);
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_ECHO_CANCELLER3_H_
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