| /* |
| * 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 |
| |
| constexpr int AudioProcessing::kNativeSampleRatesHz[]; |
| |
| 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 { |
| char buf[2048]; |
| rtc::SimpleStringBuilder builder(buf); |
| 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 |
| << ", mobile_mode: " << echo_canceller.mobile_mode |
| << ", 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.str(); |
| } |
| |
| 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 |
