753eada3aa
Corresponds to upstream commit 524e9b043e7e86fd72353b987c9d5f6a1ebf83e1 Update notes: * Pull in third party license file * Replace .gypi files with BUILD.gn to keep track of what changes upstream * Bunch of new filse pulled in as dependencies * Won't build yet due to changes needed on top of these
91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2014 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 "webrtc/modules/audio_processing/typing_detection.h"
|
|
|
|
namespace webrtc {
|
|
|
|
TypingDetection::TypingDetection()
|
|
: time_active_(0),
|
|
time_since_last_typing_(0),
|
|
penalty_counter_(0),
|
|
counter_since_last_detection_update_(0),
|
|
detection_to_report_(false),
|
|
new_detection_to_report_(false),
|
|
time_window_(10),
|
|
cost_per_typing_(100),
|
|
reporting_threshold_(300),
|
|
penalty_decay_(1),
|
|
type_event_delay_(2),
|
|
report_detection_update_period_(1) {
|
|
}
|
|
|
|
TypingDetection::~TypingDetection() {}
|
|
|
|
bool TypingDetection::Process(bool key_pressed, bool vad_activity) {
|
|
if (vad_activity)
|
|
time_active_++;
|
|
else
|
|
time_active_ = 0;
|
|
|
|
// Keep track if time since last typing event
|
|
if (key_pressed)
|
|
time_since_last_typing_ = 0;
|
|
else
|
|
++time_since_last_typing_;
|
|
|
|
if (time_since_last_typing_ < type_event_delay_ &&
|
|
vad_activity &&
|
|
time_active_ < time_window_) {
|
|
penalty_counter_ += cost_per_typing_;
|
|
if (penalty_counter_ > reporting_threshold_)
|
|
new_detection_to_report_ = true;
|
|
}
|
|
|
|
if (penalty_counter_ > 0)
|
|
penalty_counter_ -= penalty_decay_;
|
|
|
|
if (++counter_since_last_detection_update_ ==
|
|
report_detection_update_period_) {
|
|
detection_to_report_ = new_detection_to_report_;
|
|
new_detection_to_report_ = false;
|
|
counter_since_last_detection_update_ = 0;
|
|
}
|
|
|
|
return detection_to_report_;
|
|
}
|
|
|
|
int TypingDetection::TimeSinceLastDetectionInSeconds() {
|
|
// Round to whole seconds.
|
|
return (time_since_last_typing_ + 50) / 100;
|
|
}
|
|
|
|
void TypingDetection::SetParameters(int time_window,
|
|
int cost_per_typing,
|
|
int reporting_threshold,
|
|
int penalty_decay,
|
|
int type_event_delay,
|
|
int report_detection_update_period) {
|
|
if (time_window) time_window_ = time_window;
|
|
|
|
if (cost_per_typing) cost_per_typing_ = cost_per_typing;
|
|
|
|
if (reporting_threshold) reporting_threshold_ = reporting_threshold;
|
|
|
|
if (penalty_decay) penalty_decay_ = penalty_decay;
|
|
|
|
if (type_event_delay) type_event_delay_ = type_event_delay;
|
|
|
|
if (report_detection_update_period)
|
|
report_detection_update_period_ = report_detection_update_period;
|
|
}
|
|
|
|
} // namespace webrtc
|