////  Created by Bradley Austin Davis 2015/06/19//  Copyright 2013 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html//  #include "AvatarInputs.h" #include <AudioClient.h>#include <SettingHandle.h>#include <trackers/FaceTracker.h> #include "Application.h"#include "Menu.h" static AvatarInputs* INSTANCE{ nullptr }; Setting::Handle<bool> showAudioToolsSetting { QStringList { "AvatarInputs", "showAudioTools" }, true }; AvatarInputs* AvatarInputs::getInstance() {    if (!INSTANCE) {        INSTANCE = new AvatarInputs();        Q_ASSERT(INSTANCE);    }    return INSTANCE;} AvatarInputs::AvatarInputs(QObject* parent) : QObject(parent) {    _showAudioTools = showAudioToolsSetting.get();} #define AI_UPDATE(name, src) \    { \        auto val = src; \        if (_##name != val) { \            _##name = val; \            emit name##Changed(); \        } \    } float AvatarInputs::loudnessToAudioLevel(float loudness) {    const float AUDIO_METER_AVERAGING = 0.5;    const float LOG2 = log(2.0f);    const float METER_LOUDNESS_SCALE = 2.8f / 5.0f;    const float LOG2_LOUDNESS_FLOOR = 11.0f;    float audioLevel = 0.0f;    loudness += 1.0f;     _trailingAudioLoudness = AUDIO_METER_AVERAGING * _trailingAudioLoudness + (1.0f - AUDIO_METER_AVERAGING) * loudness;     float log2loudness = logf(_trailingAudioLoudness) / LOG2;     if (log2loudness <= LOG2_LOUDNESS_FLOOR) {        audioLevel = (log2loudness / LOG2_LOUDNESS_FLOOR) * METER_LOUDNESS_SCALE;    } else {        audioLevel = (log2loudness - (LOG2_LOUDNESS_FLOOR - 1.0f)) * METER_LOUDNESS_SCALE;    }    if (audioLevel > 1.0f) {        audioLevel = 1.0;    }    return audioLevel;} void AvatarInputs::update() {    if (!Menu::getInstance()) {        return;    }     AI_UPDATE(cameraEnabled, !Menu::getInstance()->isOptionChecked(MenuOption::NoFaceTracking));    AI_UPDATE(cameraMuted, Menu::getInstance()->isOptionChecked(MenuOption::MuteFaceTracking));    AI_UPDATE(isHMD, qApp->isHMDMode());} void AvatarInputs::setShowAudioTools(bool showAudioTools) {    if (_showAudioTools == showAudioTools)        return;     _showAudioTools = showAudioTools;    showAudioToolsSetting.set(_showAudioTools);    emit showAudioToolsChanged(_showAudioTools);} void AvatarInputs::toggleCameraMute() {    FaceTracker* faceTracker = qApp->getSelectedFaceTracker();    if (faceTracker) {        faceTracker->toggleMute();    }} void AvatarInputs::resetSensors() {    qApp->resetSensors();}