523 lines
23 KiB
C++
523 lines
23 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_AUDIO_PROCESSING_IMPL_H_
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#define MODULES_AUDIO_PROCESSING_AUDIO_PROCESSING_IMPL_H_
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#include <stdio.h>
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#include <list>
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#include <memory>
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#include <string>
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#include <vector>
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#include "api/function_view.h"
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#include "modules/audio_processing/aec3/echo_canceller3.h"
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#include "modules/audio_processing/agc/agc_manager_direct.h"
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#include "modules/audio_processing/agc/gain_control.h"
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#include "modules/audio_processing/audio_buffer.h"
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#include "modules/audio_processing/echo_control_mobile_impl.h"
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#include "modules/audio_processing/gain_control_impl.h"
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#include "modules/audio_processing/gain_controller2.h"
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#include "modules/audio_processing/high_pass_filter.h"
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#include "modules/audio_processing/include/aec_dump.h"
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#include "modules/audio_processing/include/audio_frame_proxies.h"
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#include "modules/audio_processing/include/audio_processing.h"
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#include "modules/audio_processing/include/audio_processing_statistics.h"
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#include "modules/audio_processing/level_estimator.h"
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#include "modules/audio_processing/ns/noise_suppressor.h"
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#include "modules/audio_processing/optionally_built_submodule_creators.h"
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#include "modules/audio_processing/render_queue_item_verifier.h"
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#include "modules/audio_processing/residual_echo_detector.h"
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#include "modules/audio_processing/rms_level.h"
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#include "modules/audio_processing/transient/transient_suppressor.h"
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#include "modules/audio_processing/voice_detection.h"
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#include "rtc_base/gtest_prod_util.h"
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#include "rtc_base/ignore_wundef.h"
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#include "rtc_base/swap_queue.h"
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#include "rtc_base/synchronization/mutex.h"
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#include "rtc_base/thread_annotations.h"
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namespace webrtc {
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class ApmDataDumper;
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class AudioConverter;
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class AudioProcessingImpl : public AudioProcessing {
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public:
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// Methods forcing APM to run in a single-threaded manner.
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// Acquires both the render and capture locks.
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explicit AudioProcessingImpl(const webrtc::Config& config);
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// AudioProcessingImpl takes ownership of capture post processor.
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AudioProcessingImpl(const webrtc::Config& config,
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std::unique_ptr<CustomProcessing> capture_post_processor,
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std::unique_ptr<CustomProcessing> render_pre_processor,
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std::unique_ptr<EchoControlFactory> echo_control_factory,
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rtc::scoped_refptr<EchoDetector> echo_detector,
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std::unique_ptr<CustomAudioAnalyzer> capture_analyzer);
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~AudioProcessingImpl() override;
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int Initialize() override;
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int Initialize(int capture_input_sample_rate_hz,
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int capture_output_sample_rate_hz,
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int render_sample_rate_hz,
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ChannelLayout capture_input_layout,
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ChannelLayout capture_output_layout,
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ChannelLayout render_input_layout) override;
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int Initialize(const ProcessingConfig& processing_config) override;
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void ApplyConfig(const AudioProcessing::Config& config) override;
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void SetExtraOptions(const webrtc::Config& config) override;
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bool CreateAndAttachAecDump(const std::string& file_name,
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int64_t max_log_size_bytes,
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rtc::TaskQueue* worker_queue) override;
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bool CreateAndAttachAecDump(FILE* handle,
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int64_t max_log_size_bytes,
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rtc::TaskQueue* worker_queue) override;
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// TODO(webrtc:5298) Deprecated variant.
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void AttachAecDump(std::unique_ptr<AecDump> aec_dump) override;
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void DetachAecDump() override;
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void SetRuntimeSetting(RuntimeSetting setting) override;
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// Capture-side exclusive methods possibly running APM in a
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// multi-threaded manner. Acquire the capture lock.
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int ProcessStream(const int16_t* const src,
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const StreamConfig& input_config,
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const StreamConfig& output_config,
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int16_t* const dest) override;
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int ProcessStream(const float* const* src,
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const StreamConfig& input_config,
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const StreamConfig& output_config,
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float* const* dest) override;
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bool GetLinearAecOutput(
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rtc::ArrayView<std::array<float, 160>> linear_output) const override;
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void set_output_will_be_muted(bool muted) override;
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int set_stream_delay_ms(int delay) override;
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void set_stream_key_pressed(bool key_pressed) override;
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void set_stream_analog_level(int level) override;
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int recommended_stream_analog_level() const
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RTC_LOCKS_EXCLUDED(mutex_capture_) override;
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// Render-side exclusive methods possibly running APM in a
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// multi-threaded manner. Acquire the render lock.
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int ProcessReverseStream(const int16_t* const src,
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const StreamConfig& input_config,
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const StreamConfig& output_config,
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int16_t* const dest) override;
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int AnalyzeReverseStream(const float* const* data,
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const StreamConfig& reverse_config) override;
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int ProcessReverseStream(const float* const* src,
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const StreamConfig& input_config,
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const StreamConfig& output_config,
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float* const* dest) override;
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// Methods only accessed from APM submodules or
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// from AudioProcessing tests in a single-threaded manner.
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// Hence there is no need for locks in these.
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int proc_sample_rate_hz() const override;
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int proc_split_sample_rate_hz() const override;
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size_t num_input_channels() const override;
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size_t num_proc_channels() const override;
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size_t num_output_channels() const override;
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size_t num_reverse_channels() const override;
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int stream_delay_ms() const override;
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AudioProcessingStats GetStatistics(bool has_remote_tracks) override {
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return GetStatistics();
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}
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AudioProcessingStats GetStatistics() override {
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return stats_reporter_.GetStatistics();
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}
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// TODO(peah): Remove MutateConfig once the new API allows that.
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void MutateConfig(rtc::FunctionView<void(AudioProcessing::Config*)> mutator);
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AudioProcessing::Config GetConfig() const override;
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protected:
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// Overridden in a mock.
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virtual int InitializeLocked()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_, mutex_capture_);
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private:
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// TODO(peah): These friend classes should be removed as soon as the new
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// parameter setting scheme allows.
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FRIEND_TEST_ALL_PREFIXES(ApmConfiguration, DefaultBehavior);
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FRIEND_TEST_ALL_PREFIXES(ApmConfiguration, ValidConfigBehavior);
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FRIEND_TEST_ALL_PREFIXES(ApmConfiguration, InValidConfigBehavior);
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FRIEND_TEST_ALL_PREFIXES(ApmWithSubmodulesExcludedTest,
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ToggleTransientSuppressor);
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FRIEND_TEST_ALL_PREFIXES(ApmWithSubmodulesExcludedTest,
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ReinitializeTransientSuppressor);
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FRIEND_TEST_ALL_PREFIXES(ApmWithSubmodulesExcludedTest,
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BitexactWithDisabledModules);
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int recommended_stream_analog_level_locked() const
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void OverrideSubmoduleCreationForTesting(
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const ApmSubmoduleCreationOverrides& overrides);
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// Class providing thread-safe message pipe functionality for
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// |runtime_settings_|.
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class RuntimeSettingEnqueuer {
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public:
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explicit RuntimeSettingEnqueuer(
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SwapQueue<RuntimeSetting>* runtime_settings);
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~RuntimeSettingEnqueuer();
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void Enqueue(RuntimeSetting setting);
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private:
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SwapQueue<RuntimeSetting>& runtime_settings_;
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};
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std::unique_ptr<ApmDataDumper> data_dumper_;
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static int instance_count_;
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const bool use_setup_specific_default_aec3_config_;
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SwapQueue<RuntimeSetting> capture_runtime_settings_;
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SwapQueue<RuntimeSetting> render_runtime_settings_;
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RuntimeSettingEnqueuer capture_runtime_settings_enqueuer_;
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RuntimeSettingEnqueuer render_runtime_settings_enqueuer_;
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// EchoControl factory.
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std::unique_ptr<EchoControlFactory> echo_control_factory_;
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class SubmoduleStates {
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public:
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SubmoduleStates(bool capture_post_processor_enabled,
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bool render_pre_processor_enabled,
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bool capture_analyzer_enabled);
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// Updates the submodule state and returns true if it has changed.
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bool Update(bool high_pass_filter_enabled,
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bool mobile_echo_controller_enabled,
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bool residual_echo_detector_enabled,
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bool noise_suppressor_enabled,
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bool adaptive_gain_controller_enabled,
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bool gain_controller2_enabled,
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bool pre_amplifier_enabled,
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bool echo_controller_enabled,
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bool voice_detector_enabled,
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bool transient_suppressor_enabled);
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bool CaptureMultiBandSubModulesActive() const;
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bool CaptureMultiBandProcessingPresent() const;
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bool CaptureMultiBandProcessingActive(bool ec_processing_active) const;
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bool CaptureFullBandProcessingActive() const;
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bool CaptureAnalyzerActive() const;
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bool RenderMultiBandSubModulesActive() const;
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bool RenderFullBandProcessingActive() const;
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bool RenderMultiBandProcessingActive() const;
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bool HighPassFilteringRequired() const;
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private:
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const bool capture_post_processor_enabled_ = false;
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const bool render_pre_processor_enabled_ = false;
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const bool capture_analyzer_enabled_ = false;
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bool high_pass_filter_enabled_ = false;
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bool mobile_echo_controller_enabled_ = false;
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bool residual_echo_detector_enabled_ = false;
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bool noise_suppressor_enabled_ = false;
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bool adaptive_gain_controller_enabled_ = false;
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bool gain_controller2_enabled_ = false;
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bool pre_amplifier_enabled_ = false;
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bool echo_controller_enabled_ = false;
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bool voice_detector_enabled_ = false;
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bool transient_suppressor_enabled_ = false;
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bool first_update_ = true;
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};
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// Methods for modifying the formats struct that is used by both
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// the render and capture threads. The check for whether modifications are
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// needed is done while holding a single lock only, thereby avoiding that the
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// capture thread blocks the render thread.
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// Called by render: Holds the render lock when reading the format struct and
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// acquires both locks if reinitialization is required.
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int MaybeInitializeRender(const ProcessingConfig& processing_config)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_);
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// Called by capture: Holds the capture lock when reading the format struct
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// and acquires both locks if reinitialization is needed.
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int MaybeInitializeCapture(const StreamConfig& input_config,
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const StreamConfig& output_config);
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// Method for updating the state keeping track of the active submodules.
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// Returns a bool indicating whether the state has changed.
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bool UpdateActiveSubmoduleStates()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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// Methods requiring APM running in a single-threaded manner, requiring both
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// the render and capture lock to be acquired.
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int InitializeLocked(const ProcessingConfig& config)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_, mutex_capture_);
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void InitializeResidualEchoDetector()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_, mutex_capture_);
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void InitializeEchoController()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_, mutex_capture_);
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// Initializations of capture-only submodules, requiring the capture lock
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// already acquired.
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void InitializeHighPassFilter(bool forced_reset)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void InitializeVoiceDetector() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void InitializeGainController1() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void InitializeTransientSuppressor()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void InitializeGainController2() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void InitializeNoiseSuppressor() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void InitializePreAmplifier() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void InitializePostProcessor() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void InitializeAnalyzer() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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// Initializations of render-only submodules, requiring the render lock
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// already acquired.
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void InitializePreProcessor() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_);
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// Sample rate used for the fullband processing.
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int proc_fullband_sample_rate_hz() const
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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// Empties and handles the respective RuntimeSetting queues.
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void HandleCaptureRuntimeSettings()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void HandleRenderRuntimeSettings()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_);
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void EmptyQueuedRenderAudio() RTC_LOCKS_EXCLUDED(mutex_capture_);
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void EmptyQueuedRenderAudioLocked()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void AllocateRenderQueue()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_, mutex_capture_);
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void QueueBandedRenderAudio(AudioBuffer* audio)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_);
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void QueueNonbandedRenderAudio(AudioBuffer* audio)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_);
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// Capture-side exclusive methods possibly running APM in a multi-threaded
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// manner that are called with the render lock already acquired.
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int ProcessCaptureStreamLocked() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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// Render-side exclusive methods possibly running APM in a multi-threaded
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// manner that are called with the render lock already acquired.
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// TODO(ekm): Remove once all clients updated to new interface.
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int AnalyzeReverseStreamLocked(const float* const* src,
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const StreamConfig& input_config,
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const StreamConfig& output_config)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_);
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int ProcessRenderStreamLocked() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_render_);
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// Collects configuration settings from public and private
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// submodules to be saved as an audioproc::Config message on the
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// AecDump if it is attached. If not |forced|, only writes the current
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// config if it is different from the last saved one; if |forced|,
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// writes the config regardless of the last saved.
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void WriteAecDumpConfigMessage(bool forced)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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// Notifies attached AecDump of current configuration and capture data.
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void RecordUnprocessedCaptureStream(const float* const* capture_stream)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void RecordUnprocessedCaptureStream(const int16_t* const data,
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const StreamConfig& config)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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// Notifies attached AecDump of current configuration and
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// processed capture data and issues a capture stream recording
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// request.
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void RecordProcessedCaptureStream(
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const float* const* processed_capture_stream)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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void RecordProcessedCaptureStream(const int16_t* const data,
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const StreamConfig& config)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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// Notifies attached AecDump about current state (delay, drift, etc).
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void RecordAudioProcessingState()
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
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// AecDump instance used for optionally logging APM config, input
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// and output to file in the AEC-dump format defined in debug.proto.
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std::unique_ptr<AecDump> aec_dump_;
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// Hold the last config written with AecDump for avoiding writing
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// the same config twice.
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InternalAPMConfig apm_config_for_aec_dump_ RTC_GUARDED_BY(mutex_capture_);
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// Critical sections.
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mutable Mutex mutex_render_ RTC_ACQUIRED_BEFORE(mutex_capture_);
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mutable Mutex mutex_capture_;
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// Struct containing the Config specifying the behavior of APM.
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AudioProcessing::Config config_;
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// Overrides for testing the exclusion of some submodules from the build.
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ApmSubmoduleCreationOverrides submodule_creation_overrides_
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RTC_GUARDED_BY(mutex_capture_);
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// Class containing information about what submodules are active.
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SubmoduleStates submodule_states_;
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// Struct containing the pointers to the submodules.
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struct Submodules {
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Submodules(std::unique_ptr<CustomProcessing> capture_post_processor,
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std::unique_ptr<CustomProcessing> render_pre_processor,
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rtc::scoped_refptr<EchoDetector> echo_detector,
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std::unique_ptr<CustomAudioAnalyzer> capture_analyzer)
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: echo_detector(std::move(echo_detector)),
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capture_post_processor(std::move(capture_post_processor)),
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render_pre_processor(std::move(render_pre_processor)),
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capture_analyzer(std::move(capture_analyzer)) {}
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// Accessed internally from capture or during initialization.
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std::unique_ptr<AgcManagerDirect> agc_manager;
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std::unique_ptr<GainControlImpl> gain_control;
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std::unique_ptr<GainController2> gain_controller2;
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std::unique_ptr<HighPassFilter> high_pass_filter;
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rtc::scoped_refptr<EchoDetector> echo_detector;
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std::unique_ptr<EchoControl> echo_controller;
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std::unique_ptr<EchoControlMobileImpl> echo_control_mobile;
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std::unique_ptr<NoiseSuppressor> noise_suppressor;
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std::unique_ptr<TransientSuppressor> transient_suppressor;
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std::unique_ptr<CustomProcessing> capture_post_processor;
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std::unique_ptr<CustomProcessing> render_pre_processor;
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std::unique_ptr<GainApplier> pre_amplifier;
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std::unique_ptr<CustomAudioAnalyzer> capture_analyzer;
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std::unique_ptr<LevelEstimator> output_level_estimator;
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std::unique_ptr<VoiceDetection> voice_detector;
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} submodules_;
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// State that is written to while holding both the render and capture locks
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// but can be read without any lock being held.
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// As this is only accessed internally of APM, and all internal methods in APM
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// either are holding the render or capture locks, this construct is safe as
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// it is not possible to read the variables while writing them.
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struct ApmFormatState {
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ApmFormatState()
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: // Format of processing streams at input/output call sites.
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api_format({{{kSampleRate16kHz, 1, false},
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{kSampleRate16kHz, 1, false},
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{kSampleRate16kHz, 1, false},
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{kSampleRate16kHz, 1, false}}}),
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render_processing_format(kSampleRate16kHz, 1) {}
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ProcessingConfig api_format;
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StreamConfig render_processing_format;
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} formats_;
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// APM constants.
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const struct ApmConstants {
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ApmConstants(bool multi_channel_render_support,
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bool multi_channel_capture_support,
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bool enforce_split_band_hpf)
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: multi_channel_render_support(multi_channel_render_support),
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multi_channel_capture_support(multi_channel_capture_support),
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enforce_split_band_hpf(enforce_split_band_hpf) {}
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bool multi_channel_render_support;
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bool multi_channel_capture_support;
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bool enforce_split_band_hpf;
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} constants_;
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struct ApmCaptureState {
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ApmCaptureState();
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~ApmCaptureState();
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bool was_stream_delay_set;
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bool output_will_be_muted;
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bool key_pressed;
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std::unique_ptr<AudioBuffer> capture_audio;
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std::unique_ptr<AudioBuffer> capture_fullband_audio;
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std::unique_ptr<AudioBuffer> linear_aec_output;
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// Only the rate and samples fields of capture_processing_format_ are used
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// because the capture processing number of channels is mutable and is
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// tracked by the capture_audio_.
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StreamConfig capture_processing_format;
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int split_rate;
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bool echo_path_gain_change;
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int prev_analog_mic_level;
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float prev_pre_amp_gain;
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int playout_volume;
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int prev_playout_volume;
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AudioProcessingStats stats;
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struct KeyboardInfo {
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void Extract(const float* const* data, const StreamConfig& stream_config);
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size_t num_keyboard_frames = 0;
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const float* keyboard_data = nullptr;
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} keyboard_info;
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int cached_stream_analog_level_ = 0;
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} capture_ RTC_GUARDED_BY(mutex_capture_);
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struct ApmCaptureNonLockedState {
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ApmCaptureNonLockedState()
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: capture_processing_format(kSampleRate16kHz),
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split_rate(kSampleRate16kHz),
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stream_delay_ms(0) {}
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// Only the rate and samples fields of capture_processing_format_ are used
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// because the forward processing number of channels is mutable and is
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// tracked by the capture_audio_.
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|
StreamConfig capture_processing_format;
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int split_rate;
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int stream_delay_ms;
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bool echo_controller_enabled = false;
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} capture_nonlocked_;
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struct ApmRenderState {
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ApmRenderState();
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~ApmRenderState();
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std::unique_ptr<AudioConverter> render_converter;
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std::unique_ptr<AudioBuffer> render_audio;
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} render_ RTC_GUARDED_BY(mutex_render_);
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// Class for statistics reporting. The class is thread-safe and no lock is
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// needed when accessing it.
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class ApmStatsReporter {
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public:
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ApmStatsReporter();
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~ApmStatsReporter();
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// Returns the most recently reported statistics.
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AudioProcessingStats GetStatistics();
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|
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// Update the cached statistics.
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|
void UpdateStatistics(const AudioProcessingStats& new_stats);
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|
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|
private:
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Mutex mutex_stats_;
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|
AudioProcessingStats cached_stats_ RTC_GUARDED_BY(mutex_stats_);
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|
SwapQueue<AudioProcessingStats> stats_message_queue_;
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|
} stats_reporter_;
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std::vector<int16_t> aecm_render_queue_buffer_ RTC_GUARDED_BY(mutex_render_);
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std::vector<int16_t> aecm_capture_queue_buffer_
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|
RTC_GUARDED_BY(mutex_capture_);
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|
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size_t agc_render_queue_element_max_size_ RTC_GUARDED_BY(mutex_render_)
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|
RTC_GUARDED_BY(mutex_capture_) = 0;
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std::vector<int16_t> agc_render_queue_buffer_ RTC_GUARDED_BY(mutex_render_);
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std::vector<int16_t> agc_capture_queue_buffer_ RTC_GUARDED_BY(mutex_capture_);
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|
|
|
size_t red_render_queue_element_max_size_ RTC_GUARDED_BY(mutex_render_)
|
|
RTC_GUARDED_BY(mutex_capture_) = 0;
|
|
std::vector<float> red_render_queue_buffer_ RTC_GUARDED_BY(mutex_render_);
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|
std::vector<float> red_capture_queue_buffer_ RTC_GUARDED_BY(mutex_capture_);
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|
|
|
RmsLevel capture_input_rms_ RTC_GUARDED_BY(mutex_capture_);
|
|
RmsLevel capture_output_rms_ RTC_GUARDED_BY(mutex_capture_);
|
|
int capture_rms_interval_counter_ RTC_GUARDED_BY(mutex_capture_) = 0;
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|
|
|
// Lock protection not needed.
|
|
std::unique_ptr<
|
|
SwapQueue<std::vector<int16_t>, RenderQueueItemVerifier<int16_t>>>
|
|
aecm_render_signal_queue_;
|
|
std::unique_ptr<
|
|
SwapQueue<std::vector<int16_t>, RenderQueueItemVerifier<int16_t>>>
|
|
agc_render_signal_queue_;
|
|
std::unique_ptr<SwapQueue<std::vector<float>, RenderQueueItemVerifier<float>>>
|
|
red_render_signal_queue_;
|
|
};
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|
|
|
} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_AUDIO_PROCESSING_IMPL_H_
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