| /* |
| * Copyright (c) 2018 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/echo_canceller3_config_json.h" |
| |
| #include <stddef.h> |
| |
| #include <string> |
| #include <vector> |
| |
| #include "rtc_base/checks.h" |
| #include "rtc_base/logging.h" |
| #include "rtc_base/strings/json.h" |
| #include "rtc_base/strings/string_builder.h" |
| |
| namespace webrtc { |
| namespace { |
| void ReadParam(const Json::Value& root, std::string param_name, bool* param) { |
| RTC_DCHECK(param); |
| bool v; |
| if (rtc::GetBoolFromJsonObject(root, param_name, &v)) { |
| *param = v; |
| } |
| } |
| |
| void ReadParam(const Json::Value& root, std::string param_name, size_t* param) { |
| RTC_DCHECK(param); |
| int v; |
| if (rtc::GetIntFromJsonObject(root, param_name, &v) && v >= 0) { |
| *param = v; |
| } |
| } |
| |
| void ReadParam(const Json::Value& root, std::string param_name, int* param) { |
| RTC_DCHECK(param); |
| int v; |
| if (rtc::GetIntFromJsonObject(root, param_name, &v)) { |
| *param = v; |
| } |
| } |
| |
| void ReadParam(const Json::Value& root, std::string param_name, float* param) { |
| RTC_DCHECK(param); |
| double v; |
| if (rtc::GetDoubleFromJsonObject(root, param_name, &v)) { |
| *param = static_cast<float>(v); |
| } |
| } |
| |
| void ReadParam(const Json::Value& root, |
| std::string param_name, |
| EchoCanceller3Config::Filter::RefinedConfiguration* param) { |
| RTC_DCHECK(param); |
| Json::Value json_array; |
| if (rtc::GetValueFromJsonObject(root, param_name, &json_array)) { |
| std::vector<double> v; |
| rtc::JsonArrayToDoubleVector(json_array, &v); |
| if (v.size() != 6) { |
| RTC_LOG(LS_ERROR) << "Incorrect array size for " << param_name; |
| return; |
| } |
| param->length_blocks = static_cast<size_t>(v[0]); |
| param->leakage_converged = static_cast<float>(v[1]); |
| param->leakage_diverged = static_cast<float>(v[2]); |
| param->error_floor = static_cast<float>(v[3]); |
| param->error_ceil = static_cast<float>(v[4]); |
| param->noise_gate = static_cast<float>(v[5]); |
| } |
| } |
| |
| void ReadParam(const Json::Value& root, |
| std::string param_name, |
| EchoCanceller3Config::Filter::CoarseConfiguration* param) { |
| RTC_DCHECK(param); |
| Json::Value json_array; |
| if (rtc::GetValueFromJsonObject(root, param_name, &json_array)) { |
| std::vector<double> v; |
| rtc::JsonArrayToDoubleVector(json_array, &v); |
| if (v.size() != 3) { |
| RTC_LOG(LS_ERROR) << "Incorrect array size for " << param_name; |
| return; |
| } |
| param->length_blocks = static_cast<size_t>(v[0]); |
| param->rate = static_cast<float>(v[1]); |
| param->noise_gate = static_cast<float>(v[2]); |
| } |
| } |
| |
| void ReadParam(const Json::Value& root, |
| std::string param_name, |
| EchoCanceller3Config::Delay::AlignmentMixing* param) { |
| RTC_DCHECK(param); |
| |
| Json::Value subsection; |
| if (rtc::GetValueFromJsonObject(root, param_name, &subsection)) { |
| ReadParam(subsection, "downmix", ¶m->downmix); |
| ReadParam(subsection, "adaptive_selection", ¶m->adaptive_selection); |
| ReadParam(subsection, "activity_power_threshold", |
| ¶m->activity_power_threshold); |
| ReadParam(subsection, "prefer_first_two_channels", |
| ¶m->prefer_first_two_channels); |
| } |
| } |
| |
| void ReadParam( |
| const Json::Value& root, |
| std::string param_name, |
| EchoCanceller3Config::Suppressor::SubbandNearendDetection::SubbandRegion* |
| param) { |
| RTC_DCHECK(param); |
| Json::Value json_array; |
| if (rtc::GetValueFromJsonObject(root, param_name, &json_array)) { |
| std::vector<int> v; |
| rtc::JsonArrayToIntVector(json_array, &v); |
| if (v.size() != 2) { |
| RTC_LOG(LS_ERROR) << "Incorrect array size for " << param_name; |
| return; |
| } |
| param->low = static_cast<size_t>(v[0]); |
| param->high = static_cast<size_t>(v[1]); |
| } |
| } |
| |
| void ReadParam(const Json::Value& root, |
| std::string param_name, |
| EchoCanceller3Config::Suppressor::MaskingThresholds* param) { |
| RTC_DCHECK(param); |
| Json::Value json_array; |
| if (rtc::GetValueFromJsonObject(root, param_name, &json_array)) { |
| std::vector<double> v; |
| rtc::JsonArrayToDoubleVector(json_array, &v); |
| if (v.size() != 3) { |
| RTC_LOG(LS_ERROR) << "Incorrect array size for " << param_name; |
| return; |
| } |
| param->enr_transparent = static_cast<float>(v[0]); |
| param->enr_suppress = static_cast<float>(v[1]); |
| param->emr_transparent = static_cast<float>(v[2]); |
| } |
| } |
| } // namespace |
| |
| void Aec3ConfigFromJsonString(absl::string_view json_string, |
| EchoCanceller3Config* config, |
| bool* parsing_successful) { |
| RTC_DCHECK(config); |
| RTC_DCHECK(parsing_successful); |
| EchoCanceller3Config& cfg = *config; |
| cfg = EchoCanceller3Config(); |
| *parsing_successful = true; |
| |
| Json::Value root; |
| bool success = Json::Reader().parse(std::string(json_string), root); |
| if (!success) { |
| RTC_LOG(LS_ERROR) << "Incorrect JSON format: " << json_string; |
| *parsing_successful = false; |
| return; |
| } |
| |
| Json::Value aec3_root; |
| success = rtc::GetValueFromJsonObject(root, "aec3", &aec3_root); |
| if (!success) { |
| RTC_LOG(LS_ERROR) << "Missing AEC3 config field: " << json_string; |
| *parsing_successful = false; |
| return; |
| } |
| |
| Json::Value section; |
| if (rtc::GetValueFromJsonObject(aec3_root, "buffering", §ion)) { |
| ReadParam(section, "excess_render_detection_interval_blocks", |
| &cfg.buffering.excess_render_detection_interval_blocks); |
| ReadParam(section, "max_allowed_excess_render_blocks", |
| &cfg.buffering.max_allowed_excess_render_blocks); |
| } |
| |
| if (rtc::GetValueFromJsonObject(aec3_root, "delay", §ion)) { |
| ReadParam(section, "default_delay", &cfg.delay.default_delay); |
| ReadParam(section, "down_sampling_factor", &cfg.delay.down_sampling_factor); |
| ReadParam(section, "num_filters", &cfg.delay.num_filters); |
| ReadParam(section, "delay_headroom_samples", |
| &cfg.delay.delay_headroom_samples); |
| ReadParam(section, "hysteresis_limit_blocks", |
| &cfg.delay.hysteresis_limit_blocks); |
| ReadParam(section, "fixed_capture_delay_samples", |
| &cfg.delay.fixed_capture_delay_samples); |
| ReadParam(section, "delay_estimate_smoothing", |
| &cfg.delay.delay_estimate_smoothing); |
| ReadParam(section, "delay_estimate_smoothing_delay_found", |
| &cfg.delay.delay_estimate_smoothing_delay_found); |
| ReadParam(section, "delay_candidate_detection_threshold", |
| &cfg.delay.delay_candidate_detection_threshold); |
| |
| Json::Value subsection; |
| if (rtc::GetValueFromJsonObject(section, "delay_selection_thresholds", |
| &subsection)) { |
| ReadParam(subsection, "initial", |
| &cfg.delay.delay_selection_thresholds.initial); |
| ReadParam(subsection, "converged", |
| &cfg.delay.delay_selection_thresholds.converged); |
| } |
| |
| ReadParam(section, "use_external_delay_estimator", |
| &cfg.delay.use_external_delay_estimator); |
| ReadParam(section, "log_warning_on_delay_changes", |
| &cfg.delay.log_warning_on_delay_changes); |
| |
| ReadParam(section, "render_alignment_mixing", |
| &cfg.delay.render_alignment_mixing); |
| ReadParam(section, "capture_alignment_mixing", |
| &cfg.delay.capture_alignment_mixing); |
| } |
| |
| if (rtc::GetValueFromJsonObject(aec3_root, "filter", §ion)) { |
| ReadParam(section, "refined", &cfg.filter.refined); |
| ReadParam(section, "coarse", &cfg.filter.coarse); |
| ReadParam(section, "refined_initial", &cfg.filter.refined_initial); |
| ReadParam(section, "coarse_initial", &cfg.filter.coarse_initial); |
| ReadParam(section, "config_change_duration_blocks", |
| &cfg.filter.config_change_duration_blocks); |
| ReadParam(section, "initial_state_seconds", |
| &cfg.filter.initial_state_seconds); |
| ReadParam(section, "coarse_reset_hangover_blocks", |
| &cfg.filter.coarse_reset_hangover_blocks); |
| ReadParam(section, "conservative_initial_phase", |
| &cfg.filter.conservative_initial_phase); |
| ReadParam(section, "enable_coarse_filter_output_usage", |
| &cfg.filter.enable_coarse_filter_output_usage); |
| ReadParam(section, "use_linear_filter", &cfg.filter.use_linear_filter); |
| ReadParam(section, "high_pass_filter_echo_reference", |
| &cfg.filter.high_pass_filter_echo_reference); |
| ReadParam(section, "export_linear_aec_output", |
| &cfg.filter.export_linear_aec_output); |
| } |
| |
| if (rtc::GetValueFromJsonObject(aec3_root, "erle", §ion)) { |
| ReadParam(section, "min", &cfg.erle.min); |
| ReadParam(section, "max_l", &cfg.erle.max_l); |
| ReadParam(section, "max_h", &cfg.erle.max_h); |
| ReadParam(section, "onset_detection", &cfg.erle.onset_detection); |
| ReadParam(section, "num_sections", &cfg.erle.num_sections); |
| ReadParam(section, "clamp_quality_estimate_to_zero", |
| &cfg.erle.clamp_quality_estimate_to_zero); |
| ReadParam(section, "clamp_quality_estimate_to_one", |
| &cfg.erle.clamp_quality_estimate_to_one); |
| } |
| |
| if (rtc::GetValueFromJsonObject(aec3_root, "ep_strength", §ion)) { |
| ReadParam(section, "default_gain", &cfg.ep_strength.default_gain); |
| ReadParam(section, "default_len", &cfg.ep_strength.default_len); |
| ReadParam(section, "echo_can_saturate", &cfg.ep_strength.echo_can_saturate); |
| ReadParam(section, "bounded_erl", &cfg.ep_strength.bounded_erl); |
| ReadParam(section, "erle_onset_compensation_in_dominant_nearend", |
| &cfg.ep_strength.erle_onset_compensation_in_dominant_nearend); |
| } |
| |
| if (rtc::GetValueFromJsonObject(aec3_root, "echo_audibility", §ion)) { |
| ReadParam(section, "low_render_limit", |
| &cfg.echo_audibility.low_render_limit); |
| ReadParam(section, "normal_render_limit", |
| &cfg.echo_audibility.normal_render_limit); |
| |
| ReadParam(section, "floor_power", &cfg.echo_audibility.floor_power); |
| ReadParam(section, "audibility_threshold_lf", |
| &cfg.echo_audibility.audibility_threshold_lf); |
| ReadParam(section, "audibility_threshold_mf", |
| &cfg.echo_audibility.audibility_threshold_mf); |
| ReadParam(section, "audibility_threshold_hf", |
| &cfg.echo_audibility.audibility_threshold_hf); |
| ReadParam(section, "use_stationarity_properties", |
| &cfg.echo_audibility.use_stationarity_properties); |
| ReadParam(section, "use_stationarity_properties_at_init", |
| &cfg.echo_audibility.use_stationarity_properties_at_init); |
| } |
| |
| if (rtc::GetValueFromJsonObject(aec3_root, "render_levels", §ion)) { |
| ReadParam(section, "active_render_limit", |
| &cfg.render_levels.active_render_limit); |
| ReadParam(section, "poor_excitation_render_limit", |
| &cfg.render_levels.poor_excitation_render_limit); |
| ReadParam(section, "poor_excitation_render_limit_ds8", |
| &cfg.render_levels.poor_excitation_render_limit_ds8); |
| ReadParam(section, "render_power_gain_db", |
| &cfg.render_levels.render_power_gain_db); |
| } |
| |
| if (rtc::GetValueFromJsonObject(aec3_root, "echo_removal_control", |
| §ion)) { |
| ReadParam(section, "has_clock_drift", |
| &cfg.echo_removal_control.has_clock_drift); |
| ReadParam(section, "linear_and_stable_echo_path", |
| &cfg.echo_removal_control.linear_and_stable_echo_path); |
| } |
| |
| if (rtc::GetValueFromJsonObject(aec3_root, "echo_model", §ion)) { |
| Json::Value subsection; |
| ReadParam(section, "noise_floor_hold", &cfg.echo_model.noise_floor_hold); |
| ReadParam(section, "min_noise_floor_power", |
| &cfg.echo_model.min_noise_floor_power); |
| ReadParam(section, "stationary_gate_slope", |
| &cfg.echo_model.stationary_gate_slope); |
| ReadParam(section, "noise_gate_power", &cfg.echo_model.noise_gate_power); |
| ReadParam(section, "noise_gate_slope", &cfg.echo_model.noise_gate_slope); |
| ReadParam(section, "render_pre_window_size", |
| &cfg.echo_model.render_pre_window_size); |
| ReadParam(section, "render_post_window_size", |
| &cfg.echo_model.render_post_window_size); |
| ReadParam(section, "model_reverb_in_nonlinear_mode", |
| &cfg.echo_model.model_reverb_in_nonlinear_mode); |
| } |
| |
| if (rtc::GetValueFromJsonObject(aec3_root, "comfort_noise", §ion)) { |
| ReadParam(section, "noise_floor_dbfs", &cfg.comfort_noise.noise_floor_dbfs); |
| } |
| |
| Json::Value subsection; |
| if (rtc::GetValueFromJsonObject(aec3_root, "suppressor", §ion)) { |
| ReadParam(section, "nearend_average_blocks", |
| &cfg.suppressor.nearend_average_blocks); |
| |
| if (rtc::GetValueFromJsonObject(section, "normal_tuning", &subsection)) { |
| ReadParam(subsection, "mask_lf", &cfg.suppressor.normal_tuning.mask_lf); |
| ReadParam(subsection, "mask_hf", &cfg.suppressor.normal_tuning.mask_hf); |
| ReadParam(subsection, "max_inc_factor", |
| &cfg.suppressor.normal_tuning.max_inc_factor); |
| ReadParam(subsection, "max_dec_factor_lf", |
| &cfg.suppressor.normal_tuning.max_dec_factor_lf); |
| } |
| |
| if (rtc::GetValueFromJsonObject(section, "nearend_tuning", &subsection)) { |
| ReadParam(subsection, "mask_lf", &cfg.suppressor.nearend_tuning.mask_lf); |
| ReadParam(subsection, "mask_hf", &cfg.suppressor.nearend_tuning.mask_hf); |
| ReadParam(subsection, "max_inc_factor", |
| &cfg.suppressor.nearend_tuning.max_inc_factor); |
| ReadParam(subsection, "max_dec_factor_lf", |
| &cfg.suppressor.nearend_tuning.max_dec_factor_lf); |
| } |
| |
| ReadParam(section, "lf_smoothing_during_initial_phase", |
| &cfg.suppressor.lf_smoothing_during_initial_phase); |
| ReadParam(section, "last_permanent_lf_smoothing_band", |
| &cfg.suppressor.last_permanent_lf_smoothing_band); |
| ReadParam(section, "last_lf_smoothing_band", |
| &cfg.suppressor.last_lf_smoothing_band); |
| ReadParam(section, "last_lf_band", &cfg.suppressor.last_lf_band); |
| ReadParam(section, "first_hf_band", &cfg.suppressor.first_hf_band); |
| |
| if (rtc::GetValueFromJsonObject(section, "dominant_nearend_detection", |
| &subsection)) { |
| ReadParam(subsection, "enr_threshold", |
| &cfg.suppressor.dominant_nearend_detection.enr_threshold); |
| ReadParam(subsection, "enr_exit_threshold", |
| &cfg.suppressor.dominant_nearend_detection.enr_exit_threshold); |
| ReadParam(subsection, "snr_threshold", |
| &cfg.suppressor.dominant_nearend_detection.snr_threshold); |
| ReadParam(subsection, "hold_duration", |
| &cfg.suppressor.dominant_nearend_detection.hold_duration); |
| ReadParam(subsection, "trigger_threshold", |
| &cfg.suppressor.dominant_nearend_detection.trigger_threshold); |
| ReadParam( |
| subsection, "use_during_initial_phase", |
| &cfg.suppressor.dominant_nearend_detection.use_during_initial_phase); |
| } |
| |
| if (rtc::GetValueFromJsonObject(section, "subband_nearend_detection", |
| &subsection)) { |
| ReadParam( |
| subsection, "nearend_average_blocks", |
| &cfg.suppressor.subband_nearend_detection.nearend_average_blocks); |
| ReadParam(subsection, "subband1", |
| &cfg.suppressor.subband_nearend_detection.subband1); |
| ReadParam(subsection, "subband2", |
| &cfg.suppressor.subband_nearend_detection.subband2); |
| ReadParam(subsection, "nearend_threshold", |
| &cfg.suppressor.subband_nearend_detection.nearend_threshold); |
| ReadParam(subsection, "snr_threshold", |
| &cfg.suppressor.subband_nearend_detection.snr_threshold); |
| } |
| |
| ReadParam(section, "use_subband_nearend_detection", |
| &cfg.suppressor.use_subband_nearend_detection); |
| |
| if (rtc::GetValueFromJsonObject(section, "high_bands_suppression", |
| &subsection)) { |
| ReadParam(subsection, "enr_threshold", |
| &cfg.suppressor.high_bands_suppression.enr_threshold); |
| ReadParam(subsection, "max_gain_during_echo", |
| &cfg.suppressor.high_bands_suppression.max_gain_during_echo); |
| ReadParam(subsection, "anti_howling_activation_threshold", |
| &cfg.suppressor.high_bands_suppression |
| .anti_howling_activation_threshold); |
| ReadParam(subsection, "anti_howling_gain", |
| &cfg.suppressor.high_bands_suppression.anti_howling_gain); |
| } |
| |
| ReadParam(section, "floor_first_increase", |
| &cfg.suppressor.floor_first_increase); |
| ReadParam(section, "conservative_hf_suppression", |
| &cfg.suppressor.conservative_hf_suppression); |
| } |
| } |
| |
| EchoCanceller3Config Aec3ConfigFromJsonString(absl::string_view json_string) { |
| EchoCanceller3Config cfg; |
| bool not_used; |
| Aec3ConfigFromJsonString(json_string, &cfg, ¬_used); |
| return cfg; |
| } |
| |
| std::string Aec3ConfigToJsonString(const EchoCanceller3Config& config) { |
| rtc::StringBuilder ost; |
| ost << "{"; |
| ost << "\"aec3\": {"; |
| ost << "\"buffering\": {"; |
| ost << "\"excess_render_detection_interval_blocks\": " |
| << config.buffering.excess_render_detection_interval_blocks << ","; |
| ost << "\"max_allowed_excess_render_blocks\": " |
| << config.buffering.max_allowed_excess_render_blocks; |
| ost << "},"; |
| |
| ost << "\"delay\": {"; |
| ost << "\"default_delay\": " << config.delay.default_delay << ","; |
| ost << "\"down_sampling_factor\": " << config.delay.down_sampling_factor |
| << ","; |
| ost << "\"num_filters\": " << config.delay.num_filters << ","; |
| ost << "\"delay_headroom_samples\": " << config.delay.delay_headroom_samples |
| << ","; |
| ost << "\"hysteresis_limit_blocks\": " << config.delay.hysteresis_limit_blocks |
| << ","; |
| ost << "\"fixed_capture_delay_samples\": " |
| << config.delay.fixed_capture_delay_samples << ","; |
| ost << "\"delay_estimate_smoothing\": " |
| << config.delay.delay_estimate_smoothing << ","; |
| ost << "\"delay_estimate_smoothing_delay_found\": " |
| << config.delay.delay_estimate_smoothing_delay_found << ","; |
| ost << "\"delay_candidate_detection_threshold\": " |
| << config.delay.delay_candidate_detection_threshold << ","; |
| |
| ost << "\"delay_selection_thresholds\": {"; |
| ost << "\"initial\": " << config.delay.delay_selection_thresholds.initial |
| << ","; |
| ost << "\"converged\": " << config.delay.delay_selection_thresholds.converged; |
| ost << "},"; |
| |
| ost << "\"use_external_delay_estimator\": " |
| << (config.delay.use_external_delay_estimator ? "true" : "false") << ","; |
| ost << "\"log_warning_on_delay_changes\": " |
| << (config.delay.log_warning_on_delay_changes ? "true" : "false") << ","; |
| |
| ost << "\"render_alignment_mixing\": {"; |
| ost << "\"downmix\": " |
| << (config.delay.render_alignment_mixing.downmix ? "true" : "false") |
| << ","; |
| ost << "\"adaptive_selection\": " |
| << (config.delay.render_alignment_mixing.adaptive_selection ? "true" |
| : "false") |
| << ","; |
| ost << "\"activity_power_threshold\": " |
| << config.delay.render_alignment_mixing.activity_power_threshold << ","; |
| ost << "\"prefer_first_two_channels\": " |
| << (config.delay.render_alignment_mixing.prefer_first_two_channels |
| ? "true" |
| : "false"); |
| ost << "},"; |
| |
| ost << "\"capture_alignment_mixing\": {"; |
| ost << "\"downmix\": " |
| << (config.delay.capture_alignment_mixing.downmix ? "true" : "false") |
| << ","; |
| ost << "\"adaptive_selection\": " |
| << (config.delay.capture_alignment_mixing.adaptive_selection ? "true" |
| : "false") |
| << ","; |
| ost << "\"activity_power_threshold\": " |
| << config.delay.capture_alignment_mixing.activity_power_threshold << ","; |
| ost << "\"prefer_first_two_channels\": " |
| << (config.delay.capture_alignment_mixing.prefer_first_two_channels |
| ? "true" |
| : "false"); |
| ost << "}"; |
| ost << "},"; |
| |
| ost << "\"filter\": {"; |
| |
| ost << "\"refined\": ["; |
| ost << config.filter.refined.length_blocks << ","; |
| ost << config.filter.refined.leakage_converged << ","; |
| ost << config.filter.refined.leakage_diverged << ","; |
| ost << config.filter.refined.error_floor << ","; |
| ost << config.filter.refined.error_ceil << ","; |
| ost << config.filter.refined.noise_gate; |
| ost << "],"; |
| |
| ost << "\"coarse\": ["; |
| ost << config.filter.coarse.length_blocks << ","; |
| ost << config.filter.coarse.rate << ","; |
| ost << config.filter.coarse.noise_gate; |
| ost << "],"; |
| |
| ost << "\"refined_initial\": ["; |
| ost << config.filter.refined_initial.length_blocks << ","; |
| ost << config.filter.refined_initial.leakage_converged << ","; |
| ost << config.filter.refined_initial.leakage_diverged << ","; |
| ost << config.filter.refined_initial.error_floor << ","; |
| ost << config.filter.refined_initial.error_ceil << ","; |
| ost << config.filter.refined_initial.noise_gate; |
| ost << "],"; |
| |
| ost << "\"coarse_initial\": ["; |
| ost << config.filter.coarse_initial.length_blocks << ","; |
| ost << config.filter.coarse_initial.rate << ","; |
| ost << config.filter.coarse_initial.noise_gate; |
| ost << "],"; |
| |
| ost << "\"config_change_duration_blocks\": " |
| << config.filter.config_change_duration_blocks << ","; |
| ost << "\"initial_state_seconds\": " << config.filter.initial_state_seconds |
| << ","; |
| ost << "\"coarse_reset_hangover_blocks\": " |
| << config.filter.coarse_reset_hangover_blocks << ","; |
| ost << "\"conservative_initial_phase\": " |
| << (config.filter.conservative_initial_phase ? "true" : "false") << ","; |
| ost << "\"enable_coarse_filter_output_usage\": " |
| << (config.filter.enable_coarse_filter_output_usage ? "true" : "false") |
| << ","; |
| ost << "\"use_linear_filter\": " |
| << (config.filter.use_linear_filter ? "true" : "false") << ","; |
| ost << "\"high_pass_filter_echo_reference\": " |
| << (config.filter.high_pass_filter_echo_reference ? "true" : "false") |
| << ","; |
| ost << "\"export_linear_aec_output\": " |
| << (config.filter.export_linear_aec_output ? "true" : "false"); |
| |
| ost << "},"; |
| |
| ost << "\"erle\": {"; |
| ost << "\"min\": " << config.erle.min << ","; |
| ost << "\"max_l\": " << config.erle.max_l << ","; |
| ost << "\"max_h\": " << config.erle.max_h << ","; |
| ost << "\"onset_detection\": " |
| << (config.erle.onset_detection ? "true" : "false") << ","; |
| ost << "\"num_sections\": " << config.erle.num_sections << ","; |
| ost << "\"clamp_quality_estimate_to_zero\": " |
| << (config.erle.clamp_quality_estimate_to_zero ? "true" : "false") << ","; |
| ost << "\"clamp_quality_estimate_to_one\": " |
| << (config.erle.clamp_quality_estimate_to_one ? "true" : "false"); |
| ost << "},"; |
| |
| ost << "\"ep_strength\": {"; |
| ost << "\"default_gain\": " << config.ep_strength.default_gain << ","; |
| ost << "\"default_len\": " << config.ep_strength.default_len << ","; |
| ost << "\"echo_can_saturate\": " |
| << (config.ep_strength.echo_can_saturate ? "true" : "false") << ","; |
| ost << "\"bounded_erl\": " |
| << (config.ep_strength.bounded_erl ? "true" : "false") << ","; |
| ost << "\"erle_onset_compensation_in_dominant_nearend\": " |
| << (config.ep_strength.erle_onset_compensation_in_dominant_nearend |
| ? "true" |
| : "false"); |
| ost << "},"; |
| |
| ost << "\"echo_audibility\": {"; |
| ost << "\"low_render_limit\": " << config.echo_audibility.low_render_limit |
| << ","; |
| ost << "\"normal_render_limit\": " |
| << config.echo_audibility.normal_render_limit << ","; |
| ost << "\"floor_power\": " << config.echo_audibility.floor_power << ","; |
| ost << "\"audibility_threshold_lf\": " |
| << config.echo_audibility.audibility_threshold_lf << ","; |
| ost << "\"audibility_threshold_mf\": " |
| << config.echo_audibility.audibility_threshold_mf << ","; |
| ost << "\"audibility_threshold_hf\": " |
| << config.echo_audibility.audibility_threshold_hf << ","; |
| ost << "\"use_stationarity_properties\": " |
| << (config.echo_audibility.use_stationarity_properties ? "true" : "false") |
| << ","; |
| ost << "\"use_stationarity_properties_at_init\": " |
| << (config.echo_audibility.use_stationarity_properties_at_init ? "true" |
| : "false"); |
| ost << "},"; |
| |
| ost << "\"render_levels\": {"; |
| ost << "\"active_render_limit\": " << config.render_levels.active_render_limit |
| << ","; |
| ost << "\"poor_excitation_render_limit\": " |
| << config.render_levels.poor_excitation_render_limit << ","; |
| ost << "\"poor_excitation_render_limit_ds8\": " |
| << config.render_levels.poor_excitation_render_limit_ds8 << ","; |
| ost << "\"render_power_gain_db\": " |
| << config.render_levels.render_power_gain_db; |
| ost << "},"; |
| |
| ost << "\"echo_removal_control\": {"; |
| ost << "\"has_clock_drift\": " |
| << (config.echo_removal_control.has_clock_drift ? "true" : "false") |
| << ","; |
| ost << "\"linear_and_stable_echo_path\": " |
| << (config.echo_removal_control.linear_and_stable_echo_path ? "true" |
| : "false"); |
| |
| ost << "},"; |
| |
| ost << "\"echo_model\": {"; |
| ost << "\"noise_floor_hold\": " << config.echo_model.noise_floor_hold << ","; |
| ost << "\"min_noise_floor_power\": " |
| << config.echo_model.min_noise_floor_power << ","; |
| ost << "\"stationary_gate_slope\": " |
| << config.echo_model.stationary_gate_slope << ","; |
| ost << "\"noise_gate_power\": " << config.echo_model.noise_gate_power << ","; |
| ost << "\"noise_gate_slope\": " << config.echo_model.noise_gate_slope << ","; |
| ost << "\"render_pre_window_size\": " |
| << config.echo_model.render_pre_window_size << ","; |
| ost << "\"render_post_window_size\": " |
| << config.echo_model.render_post_window_size << ","; |
| ost << "\"model_reverb_in_nonlinear_mode\": " |
| << (config.echo_model.model_reverb_in_nonlinear_mode ? "true" : "false"); |
| ost << "},"; |
| |
| ost << "\"comfort_noise\": {"; |
| ost << "\"noise_floor_dbfs\": " << config.comfort_noise.noise_floor_dbfs; |
| ost << "},"; |
| |
| ost << "\"suppressor\": {"; |
| ost << "\"nearend_average_blocks\": " |
| << config.suppressor.nearend_average_blocks << ","; |
| ost << "\"normal_tuning\": {"; |
| ost << "\"mask_lf\": ["; |
| ost << config.suppressor.normal_tuning.mask_lf.enr_transparent << ","; |
| ost << config.suppressor.normal_tuning.mask_lf.enr_suppress << ","; |
| ost << config.suppressor.normal_tuning.mask_lf.emr_transparent; |
| ost << "],"; |
| ost << "\"mask_hf\": ["; |
| ost << config.suppressor.normal_tuning.mask_hf.enr_transparent << ","; |
| ost << config.suppressor.normal_tuning.mask_hf.enr_suppress << ","; |
| ost << config.suppressor.normal_tuning.mask_hf.emr_transparent; |
| ost << "],"; |
| ost << "\"max_inc_factor\": " |
| << config.suppressor.normal_tuning.max_inc_factor << ","; |
| ost << "\"max_dec_factor_lf\": " |
| << config.suppressor.normal_tuning.max_dec_factor_lf; |
| ost << "},"; |
| ost << "\"nearend_tuning\": {"; |
| ost << "\"mask_lf\": ["; |
| ost << config.suppressor.nearend_tuning.mask_lf.enr_transparent << ","; |
| ost << config.suppressor.nearend_tuning.mask_lf.enr_suppress << ","; |
| ost << config.suppressor.nearend_tuning.mask_lf.emr_transparent; |
| ost << "],"; |
| ost << "\"mask_hf\": ["; |
| ost << config.suppressor.nearend_tuning.mask_hf.enr_transparent << ","; |
| ost << config.suppressor.nearend_tuning.mask_hf.enr_suppress << ","; |
| ost << config.suppressor.nearend_tuning.mask_hf.emr_transparent; |
| ost << "],"; |
| ost << "\"max_inc_factor\": " |
| << config.suppressor.nearend_tuning.max_inc_factor << ","; |
| ost << "\"max_dec_factor_lf\": " |
| << config.suppressor.nearend_tuning.max_dec_factor_lf; |
| ost << "},"; |
| ost << "\"lf_smoothing_during_initial_phase\": " |
| << (config.suppressor.lf_smoothing_during_initial_phase ? "true" |
| : "false") |
| << ","; |
| ost << "\"last_permanent_lf_smoothing_band\": " |
| << config.suppressor.last_permanent_lf_smoothing_band << ","; |
| ost << "\"last_lf_smoothing_band\": " |
| << config.suppressor.last_lf_smoothing_band << ","; |
| ost << "\"last_lf_band\": " << config.suppressor.last_lf_band << ","; |
| ost << "\"first_hf_band\": " << config.suppressor.first_hf_band << ","; |
| ost << "\"dominant_nearend_detection\": {"; |
| ost << "\"enr_threshold\": " |
| << config.suppressor.dominant_nearend_detection.enr_threshold << ","; |
| ost << "\"enr_exit_threshold\": " |
| << config.suppressor.dominant_nearend_detection.enr_exit_threshold << ","; |
| ost << "\"snr_threshold\": " |
| << config.suppressor.dominant_nearend_detection.snr_threshold << ","; |
| ost << "\"hold_duration\": " |
| << config.suppressor.dominant_nearend_detection.hold_duration << ","; |
| ost << "\"trigger_threshold\": " |
| << config.suppressor.dominant_nearend_detection.trigger_threshold << ","; |
| ost << "\"use_during_initial_phase\": " |
| << config.suppressor.dominant_nearend_detection.use_during_initial_phase; |
| ost << "},"; |
| ost << "\"subband_nearend_detection\": {"; |
| ost << "\"nearend_average_blocks\": " |
| << config.suppressor.subband_nearend_detection.nearend_average_blocks |
| << ","; |
| ost << "\"subband1\": ["; |
| ost << config.suppressor.subband_nearend_detection.subband1.low << ","; |
| ost << config.suppressor.subband_nearend_detection.subband1.high; |
| ost << "],"; |
| ost << "\"subband2\": ["; |
| ost << config.suppressor.subband_nearend_detection.subband2.low << ","; |
| ost << config.suppressor.subband_nearend_detection.subband2.high; |
| ost << "],"; |
| ost << "\"nearend_threshold\": " |
| << config.suppressor.subband_nearend_detection.nearend_threshold << ","; |
| ost << "\"snr_threshold\": " |
| << config.suppressor.subband_nearend_detection.snr_threshold; |
| ost << "},"; |
| ost << "\"use_subband_nearend_detection\": " |
| << config.suppressor.use_subband_nearend_detection << ","; |
| ost << "\"high_bands_suppression\": {"; |
| ost << "\"enr_threshold\": " |
| << config.suppressor.high_bands_suppression.enr_threshold << ","; |
| ost << "\"max_gain_during_echo\": " |
| << config.suppressor.high_bands_suppression.max_gain_during_echo << ","; |
| ost << "\"anti_howling_activation_threshold\": " |
| << config.suppressor.high_bands_suppression |
| .anti_howling_activation_threshold |
| << ","; |
| ost << "\"anti_howling_gain\": " |
| << config.suppressor.high_bands_suppression.anti_howling_gain; |
| ost << "},"; |
| ost << "\"floor_first_increase\": " << config.suppressor.floor_first_increase |
| << ","; |
| ost << "\"conservative_hf_suppression\": " |
| << config.suppressor.conservative_hf_suppression; |
| ost << "}"; |
| ost << "}"; |
| ost << "}"; |
| |
| return ost.Release(); |
| } |
| } // namespace webrtc |