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