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-rw-r--r--third_party/libwebrtc/api/audio/echo_canceller3_config.cc278
1 files changed, 278 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/audio/echo_canceller3_config.cc b/third_party/libwebrtc/api/audio/echo_canceller3_config.cc
new file mode 100644
index 0000000000..0224c712b4
--- /dev/null
+++ b/third_party/libwebrtc/api/audio/echo_canceller3_config.cc
@@ -0,0 +1,278 @@
+/*
+ * 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.h"
+
+#include <algorithm>
+#include <cmath>
+
+#include "rtc_base/checks.h"
+#include "rtc_base/numerics/safe_minmax.h"
+
+namespace webrtc {
+namespace {
+bool Limit(float* value, float min, float max) {
+ float clamped = rtc::SafeClamp(*value, min, max);
+ clamped = std::isfinite(clamped) ? clamped : min;
+ bool res = *value == clamped;
+ *value = clamped;
+ return res;
+}
+
+bool Limit(size_t* value, size_t min, size_t max) {
+ size_t clamped = rtc::SafeClamp(*value, min, max);
+ bool res = *value == clamped;
+ *value = clamped;
+ return res;
+}
+
+bool Limit(int* value, int min, int max) {
+ int clamped = rtc::SafeClamp(*value, min, max);
+ bool res = *value == clamped;
+ *value = clamped;
+ return res;
+}
+
+bool FloorLimit(size_t* value, size_t min) {
+ size_t clamped = *value >= min ? *value : min;
+ bool res = *value == clamped;
+ *value = clamped;
+ return res;
+}
+
+} // namespace
+
+EchoCanceller3Config::EchoCanceller3Config() = default;
+EchoCanceller3Config::EchoCanceller3Config(const EchoCanceller3Config& e) =
+ default;
+EchoCanceller3Config& EchoCanceller3Config::operator=(
+ const EchoCanceller3Config& e) = default;
+EchoCanceller3Config::Delay::Delay() = default;
+EchoCanceller3Config::Delay::Delay(const EchoCanceller3Config::Delay& e) =
+ default;
+EchoCanceller3Config::Delay& EchoCanceller3Config::Delay::operator=(
+ const Delay& e) = default;
+
+EchoCanceller3Config::EchoModel::EchoModel() = default;
+EchoCanceller3Config::EchoModel::EchoModel(
+ const EchoCanceller3Config::EchoModel& e) = default;
+EchoCanceller3Config::EchoModel& EchoCanceller3Config::EchoModel::operator=(
+ const EchoModel& e) = default;
+
+EchoCanceller3Config::Suppressor::Suppressor() = default;
+EchoCanceller3Config::Suppressor::Suppressor(
+ const EchoCanceller3Config::Suppressor& e) = default;
+EchoCanceller3Config::Suppressor& EchoCanceller3Config::Suppressor::operator=(
+ const Suppressor& e) = default;
+
+EchoCanceller3Config::Suppressor::MaskingThresholds::MaskingThresholds(
+ float enr_transparent,
+ float enr_suppress,
+ float emr_transparent)
+ : enr_transparent(enr_transparent),
+ enr_suppress(enr_suppress),
+ emr_transparent(emr_transparent) {}
+EchoCanceller3Config::Suppressor::MaskingThresholds::MaskingThresholds(
+ const EchoCanceller3Config::Suppressor::MaskingThresholds& e) = default;
+EchoCanceller3Config::Suppressor::MaskingThresholds&
+EchoCanceller3Config::Suppressor::MaskingThresholds::operator=(
+ const MaskingThresholds& e) = default;
+
+EchoCanceller3Config::Suppressor::Tuning::Tuning(MaskingThresholds mask_lf,
+ MaskingThresholds mask_hf,
+ float max_inc_factor,
+ float max_dec_factor_lf)
+ : mask_lf(mask_lf),
+ mask_hf(mask_hf),
+ max_inc_factor(max_inc_factor),
+ max_dec_factor_lf(max_dec_factor_lf) {}
+EchoCanceller3Config::Suppressor::Tuning::Tuning(
+ const EchoCanceller3Config::Suppressor::Tuning& e) = default;
+EchoCanceller3Config::Suppressor::Tuning&
+EchoCanceller3Config::Suppressor::Tuning::operator=(const Tuning& e) = default;
+
+bool EchoCanceller3Config::Validate(EchoCanceller3Config* config) {
+ RTC_DCHECK(config);
+ EchoCanceller3Config* c = config;
+ bool res = true;
+
+ if (c->delay.down_sampling_factor != 4 &&
+ c->delay.down_sampling_factor != 8) {
+ c->delay.down_sampling_factor = 4;
+ res = false;
+ }
+
+ res = res & Limit(&c->delay.default_delay, 0, 5000);
+ res = res & Limit(&c->delay.num_filters, 0, 5000);
+ res = res & Limit(&c->delay.delay_headroom_samples, 0, 5000);
+ res = res & Limit(&c->delay.hysteresis_limit_blocks, 0, 5000);
+ res = res & Limit(&c->delay.fixed_capture_delay_samples, 0, 5000);
+ res = res & Limit(&c->delay.delay_estimate_smoothing, 0.f, 1.f);
+ res = res & Limit(&c->delay.delay_candidate_detection_threshold, 0.f, 1.f);
+ res = res & Limit(&c->delay.delay_selection_thresholds.initial, 1, 250);
+ res = res & Limit(&c->delay.delay_selection_thresholds.converged, 1, 250);
+
+ res = res & FloorLimit(&c->filter.refined.length_blocks, 1);
+ res = res & Limit(&c->filter.refined.leakage_converged, 0.f, 1000.f);
+ res = res & Limit(&c->filter.refined.leakage_diverged, 0.f, 1000.f);
+ res = res & Limit(&c->filter.refined.error_floor, 0.f, 1000.f);
+ res = res & Limit(&c->filter.refined.error_ceil, 0.f, 100000000.f);
+ res = res & Limit(&c->filter.refined.noise_gate, 0.f, 100000000.f);
+
+ res = res & FloorLimit(&c->filter.refined_initial.length_blocks, 1);
+ res = res & Limit(&c->filter.refined_initial.leakage_converged, 0.f, 1000.f);
+ res = res & Limit(&c->filter.refined_initial.leakage_diverged, 0.f, 1000.f);
+ res = res & Limit(&c->filter.refined_initial.error_floor, 0.f, 1000.f);
+ res = res & Limit(&c->filter.refined_initial.error_ceil, 0.f, 100000000.f);
+ res = res & Limit(&c->filter.refined_initial.noise_gate, 0.f, 100000000.f);
+
+ if (c->filter.refined.length_blocks <
+ c->filter.refined_initial.length_blocks) {
+ c->filter.refined_initial.length_blocks = c->filter.refined.length_blocks;
+ res = false;
+ }
+
+ res = res & FloorLimit(&c->filter.coarse.length_blocks, 1);
+ res = res & Limit(&c->filter.coarse.rate, 0.f, 1.f);
+ res = res & Limit(&c->filter.coarse.noise_gate, 0.f, 100000000.f);
+
+ res = res & FloorLimit(&c->filter.coarse_initial.length_blocks, 1);
+ res = res & Limit(&c->filter.coarse_initial.rate, 0.f, 1.f);
+ res = res & Limit(&c->filter.coarse_initial.noise_gate, 0.f, 100000000.f);
+
+ if (c->filter.coarse.length_blocks < c->filter.coarse_initial.length_blocks) {
+ c->filter.coarse_initial.length_blocks = c->filter.coarse.length_blocks;
+ res = false;
+ }
+
+ res = res & Limit(&c->filter.config_change_duration_blocks, 0, 100000);
+ res = res & Limit(&c->filter.initial_state_seconds, 0.f, 100.f);
+ res = res & Limit(&c->filter.coarse_reset_hangover_blocks, 0, 250000);
+
+ res = res & Limit(&c->erle.min, 1.f, 100000.f);
+ res = res & Limit(&c->erle.max_l, 1.f, 100000.f);
+ res = res & Limit(&c->erle.max_h, 1.f, 100000.f);
+ if (c->erle.min > c->erle.max_l || c->erle.min > c->erle.max_h) {
+ c->erle.min = std::min(c->erle.max_l, c->erle.max_h);
+ res = false;
+ }
+ res = res & Limit(&c->erle.num_sections, 1, c->filter.refined.length_blocks);
+
+ res = res & Limit(&c->ep_strength.default_gain, 0.f, 1000000.f);
+ res = res & Limit(&c->ep_strength.default_len, -1.f, 1.f);
+ res = res & Limit(&c->ep_strength.nearend_len, -1.0f, 1.0f);
+
+ res =
+ res & Limit(&c->echo_audibility.low_render_limit, 0.f, 32768.f * 32768.f);
+ res = res &
+ Limit(&c->echo_audibility.normal_render_limit, 0.f, 32768.f * 32768.f);
+ res = res & Limit(&c->echo_audibility.floor_power, 0.f, 32768.f * 32768.f);
+ res = res & Limit(&c->echo_audibility.audibility_threshold_lf, 0.f,
+ 32768.f * 32768.f);
+ res = res & Limit(&c->echo_audibility.audibility_threshold_mf, 0.f,
+ 32768.f * 32768.f);
+ res = res & Limit(&c->echo_audibility.audibility_threshold_hf, 0.f,
+ 32768.f * 32768.f);
+
+ res = res &
+ Limit(&c->render_levels.active_render_limit, 0.f, 32768.f * 32768.f);
+ res = res & Limit(&c->render_levels.poor_excitation_render_limit, 0.f,
+ 32768.f * 32768.f);
+ res = res & Limit(&c->render_levels.poor_excitation_render_limit_ds8, 0.f,
+ 32768.f * 32768.f);
+
+ res = res & Limit(&c->echo_model.noise_floor_hold, 0, 1000);
+ res = res & Limit(&c->echo_model.min_noise_floor_power, 0, 2000000.f);
+ res = res & Limit(&c->echo_model.stationary_gate_slope, 0, 1000000.f);
+ res = res & Limit(&c->echo_model.noise_gate_power, 0, 1000000.f);
+ res = res & Limit(&c->echo_model.noise_gate_slope, 0, 1000000.f);
+ res = res & Limit(&c->echo_model.render_pre_window_size, 0, 100);
+ res = res & Limit(&c->echo_model.render_post_window_size, 0, 100);
+
+ res = res & Limit(&c->comfort_noise.noise_floor_dbfs, -200.f, 0.f);
+
+ res = res & Limit(&c->suppressor.nearend_average_blocks, 1, 5000);
+
+ res = res &
+ Limit(&c->suppressor.normal_tuning.mask_lf.enr_transparent, 0.f, 100.f);
+ res = res &
+ Limit(&c->suppressor.normal_tuning.mask_lf.enr_suppress, 0.f, 100.f);
+ res = res &
+ Limit(&c->suppressor.normal_tuning.mask_lf.emr_transparent, 0.f, 100.f);
+ res = res &
+ Limit(&c->suppressor.normal_tuning.mask_hf.enr_transparent, 0.f, 100.f);
+ res = res &
+ Limit(&c->suppressor.normal_tuning.mask_hf.enr_suppress, 0.f, 100.f);
+ res = res &
+ Limit(&c->suppressor.normal_tuning.mask_hf.emr_transparent, 0.f, 100.f);
+ res = res & Limit(&c->suppressor.normal_tuning.max_inc_factor, 0.f, 100.f);
+ res = res & Limit(&c->suppressor.normal_tuning.max_dec_factor_lf, 0.f, 100.f);
+
+ res = res & Limit(&c->suppressor.nearend_tuning.mask_lf.enr_transparent, 0.f,
+ 100.f);
+ res = res &
+ Limit(&c->suppressor.nearend_tuning.mask_lf.enr_suppress, 0.f, 100.f);
+ res = res & Limit(&c->suppressor.nearend_tuning.mask_lf.emr_transparent, 0.f,
+ 100.f);
+ res = res & Limit(&c->suppressor.nearend_tuning.mask_hf.enr_transparent, 0.f,
+ 100.f);
+ res = res &
+ Limit(&c->suppressor.nearend_tuning.mask_hf.enr_suppress, 0.f, 100.f);
+ res = res & Limit(&c->suppressor.nearend_tuning.mask_hf.emr_transparent, 0.f,
+ 100.f);
+ res = res & Limit(&c->suppressor.nearend_tuning.max_inc_factor, 0.f, 100.f);
+ res =
+ res & Limit(&c->suppressor.nearend_tuning.max_dec_factor_lf, 0.f, 100.f);
+
+ res = res & Limit(&c->suppressor.last_permanent_lf_smoothing_band, 0, 64);
+ res = res & Limit(&c->suppressor.last_lf_smoothing_band, 0, 64);
+ res = res & Limit(&c->suppressor.last_lf_band, 0, 63);
+ res = res &
+ Limit(&c->suppressor.first_hf_band, c->suppressor.last_lf_band + 1, 64);
+
+ res = res & Limit(&c->suppressor.dominant_nearend_detection.enr_threshold,
+ 0.f, 1000000.f);
+ res = res & Limit(&c->suppressor.dominant_nearend_detection.snr_threshold,
+ 0.f, 1000000.f);
+ res = res & Limit(&c->suppressor.dominant_nearend_detection.hold_duration, 0,
+ 10000);
+ res = res & Limit(&c->suppressor.dominant_nearend_detection.trigger_threshold,
+ 0, 10000);
+
+ res = res &
+ Limit(&c->suppressor.subband_nearend_detection.nearend_average_blocks,
+ 1, 1024);
+ res =
+ res & Limit(&c->suppressor.subband_nearend_detection.subband1.low, 0, 65);
+ res = res & Limit(&c->suppressor.subband_nearend_detection.subband1.high,
+ c->suppressor.subband_nearend_detection.subband1.low, 65);
+ res =
+ res & Limit(&c->suppressor.subband_nearend_detection.subband2.low, 0, 65);
+ res = res & Limit(&c->suppressor.subband_nearend_detection.subband2.high,
+ c->suppressor.subband_nearend_detection.subband2.low, 65);
+ res = res & Limit(&c->suppressor.subband_nearend_detection.nearend_threshold,
+ 0.f, 1.e24f);
+ res = res & Limit(&c->suppressor.subband_nearend_detection.snr_threshold, 0.f,
+ 1.e24f);
+
+ res = res & Limit(&c->suppressor.high_bands_suppression.enr_threshold, 0.f,
+ 1000000.f);
+ res = res & Limit(&c->suppressor.high_bands_suppression.max_gain_during_echo,
+ 0.f, 1.f);
+ res = res & Limit(&c->suppressor.high_bands_suppression
+ .anti_howling_activation_threshold,
+ 0.f, 32768.f * 32768.f);
+ res = res & Limit(&c->suppressor.high_bands_suppression.anti_howling_gain,
+ 0.f, 1.f);
+
+ res = res & Limit(&c->suppressor.floor_first_increase, 0.f, 1000000.f);
+
+ return res;
+}
+} // namespace webrtc
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 19:30:10 +0000