| /* | |
| * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | |
| * | |
| * Use of this source code is governed by a BSD-style license | |
| * that can be found in the LICENSE file in the root of the source | |
| * tree. An additional intellectual property rights grant can be found | |
| * in the file PATENTS. All contributing project authors may | |
| * be found in the AUTHORS file in the root of the source tree. | |
| */ | |
| #include "api/audio/audio_processing.h" | |
| #include <memory> | |
| #include <string> | |
| #include <utility> | |
| #include "absl/base/nullability.h" | |
| #include "api/environment/environment.h" | |
| #include "api/scoped_refptr.h" | |
| #include "rtc_base/checks.h" | |
| #include "rtc_base/strings/string_builder.h" | |
| namespace webrtc { | |
| namespace { | |
| using Agc1Config = AudioProcessing::Config::GainController1; | |
| using Agc2Config = AudioProcessing::Config::GainController2; | |
| std::string NoiseSuppressionLevelToString( | |
| const AudioProcessing::Config::NoiseSuppression::Level& level) { | |
| switch (level) { | |
| case AudioProcessing::Config::NoiseSuppression::Level::kLow: | |
| return "Low"; | |
| case AudioProcessing::Config::NoiseSuppression::Level::kModerate: | |
| return "Moderate"; | |
| case AudioProcessing::Config::NoiseSuppression::Level::kHigh: | |
| return "High"; | |
| case AudioProcessing::Config::NoiseSuppression::Level::kVeryHigh: | |
| return "VeryHigh"; | |
| } | |
| RTC_CHECK_NOTREACHED(); | |
| } | |
| std::string GainController1ModeToString(const Agc1Config::Mode& mode) { | |
| switch (mode) { | |
| case Agc1Config::Mode::kAdaptiveAnalog: | |
| return "AdaptiveAnalog"; | |
| case Agc1Config::Mode::kAdaptiveDigital: | |
| return "AdaptiveDigital"; | |
| case Agc1Config::Mode::kFixedDigital: | |
| return "FixedDigital"; | |
| } | |
| RTC_CHECK_NOTREACHED(); | |
| } | |
| } // namespace | |
| void CustomProcessing::SetRuntimeSetting( | |
| AudioProcessing::RuntimeSetting /* setting */) {} | |
| bool Agc1Config::operator==(const Agc1Config& rhs) const { | |
| const auto& analog_lhs = analog_gain_controller; | |
| const auto& analog_rhs = rhs.analog_gain_controller; | |
| return enabled == rhs.enabled && mode == rhs.mode && | |
| target_level_dbfs == rhs.target_level_dbfs && | |
| compression_gain_db == rhs.compression_gain_db && | |
| enable_limiter == rhs.enable_limiter && | |
| analog_lhs.enabled == analog_rhs.enabled && | |
| analog_lhs.startup_min_volume == analog_rhs.startup_min_volume && | |
| analog_lhs.clipped_level_min == analog_rhs.clipped_level_min && | |
| analog_lhs.enable_digital_adaptive == | |
| analog_rhs.enable_digital_adaptive && | |
| analog_lhs.clipped_level_step == analog_rhs.clipped_level_step && | |
| analog_lhs.clipped_ratio_threshold == | |
| analog_rhs.clipped_ratio_threshold && | |
| analog_lhs.clipped_wait_frames == analog_rhs.clipped_wait_frames && | |
| analog_lhs.clipping_predictor.mode == | |
| analog_rhs.clipping_predictor.mode && | |
| analog_lhs.clipping_predictor.window_length == | |
| analog_rhs.clipping_predictor.window_length && | |
| analog_lhs.clipping_predictor.reference_window_length == | |
| analog_rhs.clipping_predictor.reference_window_length && | |
| analog_lhs.clipping_predictor.reference_window_delay == | |
| analog_rhs.clipping_predictor.reference_window_delay && | |
| analog_lhs.clipping_predictor.clipping_threshold == | |
| analog_rhs.clipping_predictor.clipping_threshold && | |
| analog_lhs.clipping_predictor.crest_factor_margin == | |
| analog_rhs.clipping_predictor.crest_factor_margin && | |
| analog_lhs.clipping_predictor.use_predicted_step == | |
| analog_rhs.clipping_predictor.use_predicted_step; | |
| } | |
| bool Agc2Config::AdaptiveDigital::operator==( | |
| const Agc2Config::AdaptiveDigital& rhs) const { | |
| return enabled == rhs.enabled && headroom_db == rhs.headroom_db && | |
| max_gain_db == rhs.max_gain_db && | |
| initial_gain_db == rhs.initial_gain_db && | |
| max_gain_change_db_per_second == rhs.max_gain_change_db_per_second && | |
| max_output_noise_level_dbfs == rhs.max_output_noise_level_dbfs; | |
| } | |
| bool Agc2Config::InputVolumeController::operator==( | |
| const Agc2Config::InputVolumeController& rhs) const { | |
| return enabled == rhs.enabled; | |
| } | |
| bool Agc2Config::operator==(const Agc2Config& rhs) const { | |
| return enabled == rhs.enabled && | |
| fixed_digital.gain_db == rhs.fixed_digital.gain_db && | |
| adaptive_digital == rhs.adaptive_digital && | |
| input_volume_controller == rhs.input_volume_controller; | |
| } | |
| bool AudioProcessing::Config::CaptureLevelAdjustment::operator==( | |
| const AudioProcessing::Config::CaptureLevelAdjustment& rhs) const { | |
| return enabled == rhs.enabled && pre_gain_factor == rhs.pre_gain_factor && | |
| post_gain_factor == rhs.post_gain_factor && | |
| analog_mic_gain_emulation == rhs.analog_mic_gain_emulation; | |
| } | |
| bool AudioProcessing::Config::CaptureLevelAdjustment::AnalogMicGainEmulation:: | |
| operator==(const AudioProcessing::Config::CaptureLevelAdjustment:: | |
| AnalogMicGainEmulation& rhs) const { | |
| return enabled == rhs.enabled && initial_level == rhs.initial_level; | |
| } | |
| std::string AudioProcessing::Config::ToString() const { | |
| StringBuilder builder; | |
| builder << "AudioProcessing::Config{ " | |
| "pipeline: { " | |
| "maximum_internal_processing_rate: " | |
| << pipeline.maximum_internal_processing_rate | |
| << ", multi_channel_render: " << pipeline.multi_channel_render | |
| << ", multi_channel_capture: " << pipeline.multi_channel_capture | |
| << " }, pre_amplifier: { enabled: " << pre_amplifier.enabled | |
| << ", fixed_gain_factor: " << pre_amplifier.fixed_gain_factor | |
| << " },capture_level_adjustment: { enabled: " | |
| << capture_level_adjustment.enabled | |
| << ", pre_gain_factor: " << capture_level_adjustment.pre_gain_factor | |
| << ", post_gain_factor: " << capture_level_adjustment.post_gain_factor | |
| << ", analog_mic_gain_emulation: { enabled: " | |
| << capture_level_adjustment.analog_mic_gain_emulation.enabled | |
| << ", initial_level: " | |
| << capture_level_adjustment.analog_mic_gain_emulation.initial_level | |
| << " }}, high_pass_filter: { enabled: " << high_pass_filter.enabled | |
| << " }, echo_canceller: { enabled: " << echo_canceller.enabled | |
| << ", enforce_high_pass_filtering: " | |
| << echo_canceller.enforce_high_pass_filtering | |
| << " }, noise_suppression: { enabled: " << noise_suppression.enabled | |
| << ", level: " | |
| << NoiseSuppressionLevelToString(noise_suppression.level) | |
| << " }, transient_suppression: { enabled: " | |
| << transient_suppression.enabled | |
| << " }, gain_controller1: { enabled: " << gain_controller1.enabled | |
| << ", mode: " << GainController1ModeToString(gain_controller1.mode) | |
| << ", target_level_dbfs: " << gain_controller1.target_level_dbfs | |
| << ", compression_gain_db: " << gain_controller1.compression_gain_db | |
| << ", enable_limiter: " << gain_controller1.enable_limiter | |
| << ", analog_gain_controller { enabled: " | |
| << gain_controller1.analog_gain_controller.enabled | |
| << ", startup_min_volume: " | |
| << gain_controller1.analog_gain_controller.startup_min_volume | |
| << ", clipped_level_min: " | |
| << gain_controller1.analog_gain_controller.clipped_level_min | |
| << ", enable_digital_adaptive: " | |
| << gain_controller1.analog_gain_controller.enable_digital_adaptive | |
| << ", clipped_level_step: " | |
| << gain_controller1.analog_gain_controller.clipped_level_step | |
| << ", clipped_ratio_threshold: " | |
| << gain_controller1.analog_gain_controller.clipped_ratio_threshold | |
| << ", clipped_wait_frames: " | |
| << gain_controller1.analog_gain_controller.clipped_wait_frames | |
| << ", clipping_predictor: { enabled: " | |
| << gain_controller1.analog_gain_controller.clipping_predictor.enabled | |
| << ", mode: " | |
| << gain_controller1.analog_gain_controller.clipping_predictor.mode | |
| << ", window_length: " | |
| << gain_controller1.analog_gain_controller.clipping_predictor | |
| .window_length | |
| << ", reference_window_length: " | |
| << gain_controller1.analog_gain_controller.clipping_predictor | |
| .reference_window_length | |
| << ", reference_window_delay: " | |
| << gain_controller1.analog_gain_controller.clipping_predictor | |
| .reference_window_delay | |
| << ", clipping_threshold: " | |
| << gain_controller1.analog_gain_controller.clipping_predictor | |
| .clipping_threshold | |
| << ", crest_factor_margin: " | |
| << gain_controller1.analog_gain_controller.clipping_predictor | |
| .crest_factor_margin | |
| << ", use_predicted_step: " | |
| << gain_controller1.analog_gain_controller.clipping_predictor | |
| .use_predicted_step | |
| << " }}}, gain_controller2: { enabled: " << gain_controller2.enabled | |
| << ", fixed_digital: { gain_db: " | |
| << gain_controller2.fixed_digital.gain_db | |
| << " }, adaptive_digital: { enabled: " | |
| << gain_controller2.adaptive_digital.enabled | |
| << ", headroom_db: " << gain_controller2.adaptive_digital.headroom_db | |
| << ", max_gain_db: " << gain_controller2.adaptive_digital.max_gain_db | |
| << ", initial_gain_db: " | |
| << gain_controller2.adaptive_digital.initial_gain_db | |
| << ", max_gain_change_db_per_second: " | |
| << gain_controller2.adaptive_digital.max_gain_change_db_per_second | |
| << ", max_output_noise_level_dbfs: " | |
| << gain_controller2.adaptive_digital.max_output_noise_level_dbfs | |
| << " }, input_volume_control : { enabled " | |
| << gain_controller2.input_volume_controller.enabled << "}}"; | |
| return builder.Release(); | |
| } | |
| absl_nonnull std::unique_ptr<AudioProcessingBuilderInterface> | |
| CustomAudioProcessing( | |
| absl_nonnull scoped_refptr<AudioProcessing> audio_processing) { | |
| class Builder : public AudioProcessingBuilderInterface { | |
| public: | |
| explicit Builder(absl_nonnull scoped_refptr<AudioProcessing> ap) | |
| : ap_(std::move(ap)) {} | |
| absl_nullable scoped_refptr<AudioProcessing> Build( | |
| const Environment& /*env*/) override { | |
| return std::move(ap_); | |
| } | |
| private: | |
| absl_nonnull scoped_refptr<AudioProcessing> ap_; | |
| }; | |
| RTC_CHECK(audio_processing); | |
| return std::make_unique<Builder>(std::move(audio_processing)); | |
| } | |
| } // namespace webrtc |