76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
/*
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* Copyright (c) 2011 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_MAIN_SOURCE_ECHO_CANCELLATION_IMPL_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_ECHO_CANCELLATION_IMPL_H_
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#include "audio_processing.h"
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#include "processing_component.h"
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namespace webrtc {
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class AudioProcessingImpl;
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class AudioBuffer;
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class EchoCancellationImpl : public EchoCancellation,
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public ProcessingComponent {
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public:
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explicit EchoCancellationImpl(const AudioProcessingImpl* apm);
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virtual ~EchoCancellationImpl();
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int ProcessRenderAudio(const AudioBuffer* audio);
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int ProcessCaptureAudio(AudioBuffer* audio);
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// EchoCancellation implementation.
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virtual bool is_enabled() const;
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// ProcessingComponent implementation.
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virtual int Initialize();
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virtual int get_version(char* version, int version_len_bytes) const;
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private:
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// EchoCancellation implementation.
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virtual int Enable(bool enable);
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virtual int enable_drift_compensation(bool enable);
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virtual bool is_drift_compensation_enabled() const;
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virtual int set_device_sample_rate_hz(int rate);
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virtual int device_sample_rate_hz() const;
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virtual int set_stream_drift_samples(int drift);
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virtual int stream_drift_samples() const;
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virtual int set_suppression_level(SuppressionLevel level);
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virtual SuppressionLevel suppression_level() const;
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virtual int enable_metrics(bool enable);
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virtual bool are_metrics_enabled() const;
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virtual bool stream_has_echo() const;
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virtual int GetMetrics(Metrics* metrics);
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// ProcessingComponent implementation.
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virtual void* CreateHandle() const;
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virtual int InitializeHandle(void* handle) const;
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//virtual int InitializeHandles(
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// const std::vector<void*>& handles) const;
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virtual int ConfigureHandle(void* handle) const;
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virtual int DestroyHandle(void* handle) const;
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virtual int num_handles_required() const;
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virtual int GetHandleError(void* handle) const;
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const AudioProcessingImpl* apm_;
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bool drift_compensation_enabled_;
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bool metrics_enabled_;
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SuppressionLevel suppression_level_;
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int device_sample_rate_hz_;
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int stream_drift_samples_;
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bool was_stream_drift_set_;
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bool stream_has_echo_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_ECHO_CANCELLATION_IMPL_H_
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