AnotherFoxGuy/webrtc-audio-processing
1
0
Fork 0
Code Pull Requests Activity

Bump to WebRTC M120 release

Browse Source 
Some API deprecation -- ExperimentalAgc and ExperimentalNs are gone.
We're continuing to carry iSAC even though it's gone upstream, but maybe
we'll want to drop that soon.
This commit is contained in:
Arun Raghavan
2023-12-12 10:42:58 -05:00
parent 9a202fb8c2
commit c6abf6cd3f
479 changed files with 20900 additions and 11996 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
webrtc/modules/audio_processing/aec3/transparent_mode.cc
View File

@ -11,6 +11,7 @@
#include "modules/audio_processing/aec3/transparent_mode.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
#include "system_wrappers/include/field_trial.h"
namespace webrtc {
@ -23,8 +24,8 @@ bool DeactivateTransparentMode() {
return field_trial::IsEnabled("WebRTC-Aec3TransparentModeKillSwitch");
}
bool DeactivateTransparentModeHmm() {
return field_trial::IsEnabled("WebRTC-Aec3TransparentModeHmmKillSwitch");
bool ActivateTransparentModeHmm() {
return field_trial::IsEnabled("WebRTC-Aec3TransparentModeHmm");
}
} // namespace
@ -46,6 +47,7 @@ class TransparentModeImpl : public TransparentMode {
void Update(int filter_delay_blocks,
bool any_filter_consistent,
bool any_filter_converged,
bool any_coarse_filter_converged,
bool all_filters_diverged,
bool active_render,
bool saturated_capture) override {
@ -56,9 +58,9 @@ class TransparentModeImpl : public TransparentMode {
// there is no echo present in the microphone signal.
// The constants have been obtained by observing active_render and
// any_filter_converged under varying call scenarios. They have further been
// hand tuned to prefer normal state during uncertain regions (to avoid echo
// leaks).
// any_coarse_filter_converged under varying call scenarios. They
// have further been hand tuned to prefer normal state during uncertain
// regions (to avoid echo leaks).
// The model is only updated during active render.
if (!active_render)
@ -69,8 +71,8 @@ class TransparentModeImpl : public TransparentMode {
// Probability of observing converged filters in states "normal" and
// "transparent" during active render.
constexpr float kConvergedNormal = 0.03f;
constexpr float kConvergedTransparent = 0.005f;
constexpr float kConvergedNormal = 0.01f;
constexpr float kConvergedTransparent = 0.001f;
// Probability of transitioning to transparent state from normal state and
// transparent state respectively.
@ -92,7 +94,7 @@ class TransparentModeImpl : public TransparentMode {
const float prob_transition_normal = 1.f - prob_transition_transparent;
// Observed output.
const int out = any_filter_converged;
const int out = static_cast<int>(any_coarse_filter_converged);
// Joint probabilites of the observed output and respective states.
const float prob_joint_normal = prob_transition_normal * kB[0][out];
@ -142,6 +144,7 @@ class LegacyTransparentModeImpl : public TransparentMode {
void Update(int filter_delay_blocks,
bool any_filter_consistent,
bool any_filter_converged,
bool any_coarse_filter_converged,
bool all_filters_diverged,
bool active_render,
bool saturated_capture) override {
@ -226,12 +229,15 @@ class LegacyTransparentModeImpl : public TransparentMode {
std::unique_ptr<TransparentMode> TransparentMode::Create(
const EchoCanceller3Config& config) {
if (config.ep_strength.bounded_erl || DeactivateTransparentMode()) {
RTC_LOG(LS_INFO) << "AEC3 Transparent Mode: Disabled";
return nullptr;
}
if (DeactivateTransparentModeHmm()) {
return std::make_unique<LegacyTransparentModeImpl>(config);
if (ActivateTransparentModeHmm()) {
RTC_LOG(LS_INFO) << "AEC3 Transparent Mode: HMM";
return std::make_unique<TransparentModeImpl>();
}
return std::make_unique<TransparentModeImpl>();
RTC_LOG(LS_INFO) << "AEC3 Transparent Mode: Legacy";
return std::make_unique<LegacyTransparentModeImpl>(config);
}
} // namespace webrtc