////  SoundCache.cpp//  libraries/audio/src////  Created by Stephen Birarda on 2014-11-13.//  Copyright 2014 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 "SoundCache.h" #include <QtCore/QThread> #include <shared/QtHelpers.h> #include "AudioLogging.h" static const int SOUNDS_LOADING_PRIORITY { -7 }; // Make sure sounds load after the low rez texture mips int soundPointerMetaTypeId = qRegisterMetaType<SharedSoundPointer>(); SoundCache::SoundCache(QObject* parent) :    ResourceCache(parent){    const qint64 SOUND_DEFAULT_UNUSED_MAX_SIZE = 50 * BYTES_PER_MEGABYTES;    setUnusedResourceCacheSize(SOUND_DEFAULT_UNUSED_MAX_SIZE);    setObjectName("SoundCache");} SharedSoundPointer SoundCache::getSound(const QUrl& url) {    return getResource(url).staticCast<Sound>();} QSharedPointer<Resource> SoundCache::createResource(const QUrl& url) {    auto resource = QSharedPointer<Sound>(new Sound(url), &Resource::deleter);    resource->setLoadPriorityOperator(this, []() { return SOUNDS_LOADING_PRIORITY; });    return resource;} QSharedPointer<Resource> SoundCache::createResourceCopy(const QSharedPointer<Resource>& resource) {    return QSharedPointer<Sound>(new Sound(*resource.staticCast<Sound>()), &Resource::deleter);}