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92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
116 lines
4.2 KiB
C++
116 lines
4.2 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 MODULES_AUDIO_PROCESSING_ECHO_CANCELLATION_IMPL_H_
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#define MODULES_AUDIO_PROCESSING_ECHO_CANCELLATION_IMPL_H_
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#include <memory>
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#include <vector>
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#include "modules/audio_processing/include/audio_processing.h"
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#include "rtc_base/constructormagic.h"
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#include "rtc_base/criticalsection.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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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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// Enable logging of various AEC statistics.
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int enable_metrics(bool enable) override;
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// Provides various statistics about the AEC.
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int GetMetrics(Metrics* metrics) override;
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// Enable logging of delay metrics.
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int enable_delay_logging(bool enable) override;
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// Provides delay metrics.
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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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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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bool are_metrics_enabled() const override;
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bool stream_has_echo() const 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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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_ RTC_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_ RTC_GUARDED_BY(crit_capture_);
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bool metrics_enabled_ RTC_GUARDED_BY(crit_capture_);
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SuppressionLevel suppression_level_ RTC_GUARDED_BY(crit_capture_);
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int stream_drift_samples_ RTC_GUARDED_BY(crit_capture_);
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bool was_stream_drift_set_ RTC_GUARDED_BY(crit_capture_);
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bool stream_has_echo_ RTC_GUARDED_BY(crit_capture_);
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bool delay_logging_enabled_ RTC_GUARDED_BY(crit_capture_);
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bool extended_filter_enabled_ RTC_GUARDED_BY(crit_capture_);
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bool delay_agnostic_enabled_ RTC_GUARDED_BY(crit_capture_);
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bool refined_adaptive_filter_enabled_ RTC_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 // MODULES_AUDIO_PROCESSING_ECHO_CANCELLATION_IMPL_H_
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