764e364933
the render side to the capture side using the same pattern. Currently this is done independently for the submodules. This CL moves the the AEC functionality for this into APM. BUG=webrtc:5298, webrtc:6540 Review-Url: https://codereview.webrtc.org/2427553003 Cr-Commit-Position: refs/heads/master@{#14726}
111 lines
4.1 KiB
C++
111 lines
4.1 KiB
C++
/*
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* Copyright (c) 2012 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_ECHO_CANCELLATION_IMPL_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_CANCELLATION_IMPL_H_
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#include <memory>
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#include <vector>
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#include "webrtc/base/constructormagic.h"
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#include "webrtc/base/criticalsection.h"
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#include "webrtc/modules/audio_processing/include/audio_processing.h"
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namespace webrtc {
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class AudioBuffer;
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class EchoCancellationImpl : public EchoCancellation {
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public:
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EchoCancellationImpl(rtc::CriticalSection* crit_render,
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rtc::CriticalSection* crit_capture);
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~EchoCancellationImpl() override;
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void ProcessRenderAudio(rtc::ArrayView<const float> packed_render_audio);
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int ProcessCaptureAudio(AudioBuffer* audio, int stream_delay_ms);
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// EchoCancellation implementation.
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bool is_enabled() const override;
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int stream_drift_samples() const override;
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SuppressionLevel suppression_level() const override;
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bool is_drift_compensation_enabled() const override;
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void Initialize(int sample_rate_hz,
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size_t num_reverse_channels_,
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size_t num_output_channels_,
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size_t num_proc_channels_);
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void SetExtraOptions(const webrtc::Config& config);
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bool is_delay_agnostic_enabled() const;
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bool is_extended_filter_enabled() const;
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bool is_aec3_enabled() const;
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std::string GetExperimentsDescription();
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bool is_refined_adaptive_filter_enabled() const;
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// Returns the system delay of the first AEC component.
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int GetSystemDelayInSamples() const;
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static void PackRenderAudioBuffer(const AudioBuffer* audio,
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size_t num_output_channels,
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size_t num_channels,
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std::vector<float>* packed_buffer);
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static size_t NumCancellersRequired(size_t num_output_channels,
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size_t num_reverse_channels);
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private:
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class Canceller;
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struct StreamProperties;
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// EchoCancellation implementation.
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int Enable(bool enable) override;
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int enable_drift_compensation(bool enable) override;
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void set_stream_drift_samples(int drift) override;
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int set_suppression_level(SuppressionLevel level) override;
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int enable_metrics(bool enable) override;
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bool are_metrics_enabled() const override;
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bool stream_has_echo() const override;
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int GetMetrics(Metrics* metrics) override;
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int enable_delay_logging(bool enable) override;
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bool is_delay_logging_enabled() const override;
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int GetDelayMetrics(int* median, int* std) override;
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int GetDelayMetrics(int* median,
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int* std,
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float* fraction_poor_delays) override;
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struct AecCore* aec_core() const override;
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void AllocateRenderQueue();
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int Configure();
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rtc::CriticalSection* const crit_render_ ACQUIRED_BEFORE(crit_capture_);
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rtc::CriticalSection* const crit_capture_;
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bool enabled_ = false;
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bool drift_compensation_enabled_ GUARDED_BY(crit_capture_);
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bool metrics_enabled_ GUARDED_BY(crit_capture_);
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SuppressionLevel suppression_level_ GUARDED_BY(crit_capture_);
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int stream_drift_samples_ GUARDED_BY(crit_capture_);
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bool was_stream_drift_set_ GUARDED_BY(crit_capture_);
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bool stream_has_echo_ GUARDED_BY(crit_capture_);
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bool delay_logging_enabled_ GUARDED_BY(crit_capture_);
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bool extended_filter_enabled_ GUARDED_BY(crit_capture_);
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bool delay_agnostic_enabled_ GUARDED_BY(crit_capture_);
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bool aec3_enabled_ GUARDED_BY(crit_capture_);
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bool refined_adaptive_filter_enabled_ GUARDED_BY(crit_capture_) = false;
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std::vector<std::unique_ptr<Canceller>> cancellers_;
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std::unique_ptr<StreamProperties> stream_properties_;
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(EchoCancellationImpl);
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_CANCELLATION_IMPL_H_
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