////  Audio.cpp//  interface/src/scripting////  Created by Zach Pomerantz on 28/5/2017.//  Copyright 2017 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 "Audio.h" #include <shared/QtHelpers.h> #include "Application.h"#include "AudioClient.h"#include "ui/AvatarInputs.h" using namespace scripting; QString Audio::AUDIO { "Audio" };QString Audio::DESKTOP { "Desktop" };QString Audio::HMD { "VR" }; Setting::Handle<bool> enableNoiseReductionSetting { QStringList { Audio::AUDIO, "NoiseReduction" }, true }; float Audio::loudnessToLevel(float loudness) {    const float LOG2 = log(2.0f);    const float METER_LOUDNESS_SCALE = 2.8f / 5.0f;    const float LOG2_LOUDNESS_FLOOR = 11.0f;     float level = 0.0f;     loudness += 1.0f;    float log2loudness = logf(loudness) / LOG2;     if (log2loudness <= LOG2_LOUDNESS_FLOOR) {        level = (log2loudness / LOG2_LOUDNESS_FLOOR) * METER_LOUDNESS_SCALE;    } else {        level = (log2loudness - (LOG2_LOUDNESS_FLOOR - 1.0f)) * METER_LOUDNESS_SCALE;    }     if (level > 1.0f) {        level = 1.0;    }     return level;} Audio::Audio() : _devices(_contextIsHMD) {    auto client = DependencyManager::get<AudioClient>().data();    connect(client, &AudioClient::muteToggled, this, &Audio::onMutedChanged);    connect(client, &AudioClient::noiseReductionChanged, this, &Audio::onNoiseReductionChanged);    connect(client, &AudioClient::inputLoudnessChanged, this, &Audio::onInputLoudnessChanged);    connect(client, &AudioClient::inputVolumeChanged, this, &Audio::onInputVolumeChanged);    connect(this, &Audio::contextChanged, &_devices, &AudioDevices::onContextChanged);    enableNoiseReduction(enableNoiseReductionSetting.get());} bool Audio::startRecording(const QString& filepath) {    auto client = DependencyManager::get<AudioClient>().data();    return client->startRecording(filepath);} bool Audio::getRecording() {    auto client = DependencyManager::get<AudioClient>().data();    return client->getRecording();} void Audio::stopRecording() {    auto client = DependencyManager::get<AudioClient>().data();    client->stopRecording();} void Audio::setMuted(bool isMuted) {    if (_isMuted != isMuted) {        auto client = DependencyManager::get<AudioClient>().data();        QMetaObject::invokeMethod(client, "toggleMute");    }} void Audio::onMutedChanged() {    bool isMuted = DependencyManager::get<AudioClient>()->isMuted();    if (_isMuted != isMuted) {        _isMuted = isMuted;        emit mutedChanged(_isMuted);    }} void Audio::enableNoiseReduction(bool enable) {    if (_enableNoiseReduction != enable) {        auto client = DependencyManager::get<AudioClient>().data();        QMetaObject::invokeMethod(client, "setNoiseReduction", Q_ARG(bool, enable));        enableNoiseReductionSetting.set(enable);    }} void Audio::onNoiseReductionChanged() {    bool noiseReductionEnabled = DependencyManager::get<AudioClient>()->isNoiseReductionEnabled();    if (_enableNoiseReduction != noiseReductionEnabled) {        _enableNoiseReduction = noiseReductionEnabled;        emit noiseReductionChanged(_enableNoiseReduction);    }} void Audio::setInputVolume(float volume) {    // getInputVolume will not reflect changes synchronously, so clamp beforehand    volume = glm::clamp(volume, 0.0f, 1.0f);     if (_inputVolume != volume) {        auto client = DependencyManager::get<AudioClient>().data();        QMetaObject::invokeMethod(client, "setInputVolume", Q_ARG(float, volume));    }} void Audio::onInputVolumeChanged(float volume) {    if (_inputVolume != volume) {        _inputVolume = volume;        emit inputVolumeChanged(_inputVolume);    }} void Audio::onInputLoudnessChanged(float loudness) {    float level = loudnessToLevel(loudness);     if (_inputLevel != level) {        _inputLevel = level;        emit inputLevelChanged(_inputLevel);    }} QString Audio::getContext() const {     return _contextIsHMD ? Audio::HMD : Audio::DESKTOP;} void Audio::onContextChanged() {    bool isHMD = qApp->isHMDMode();    if (_contextIsHMD != isHMD) {        _contextIsHMD = isHMD;        emit contextChanged(getContext());    }} void Audio::setReverb(bool enable) {    DependencyManager::get<AudioClient>()->setReverb(enable);} void Audio::setReverbOptions(const AudioEffectOptions* options) {    DependencyManager::get<AudioClient>()->setReverbOptions(options);} void Audio::setInputDevice(const QAudioDeviceInfo& device, bool isHMD) {    _devices.chooseInputDevice(device, isHMD);} void Audio::setOutputDevice(const QAudioDeviceInfo& device, bool isHMD) {    _devices.chooseOutputDevice(device, isHMD);}