////  AudioSolo.cpp//  libraries/audio/src////  Created by Clement Brisset on 11/5/18.//  Copyright 2018 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 "AudioSolo.h" #include <NodeList.h> bool AudioSolo::isSoloing() const {    Lock lock(_mutex);    return !_nodesSoloed.empty();} QVector<QUuid> AudioSolo::getUUIDs() const {    Lock lock(_mutex);    return _nodesSoloed.values().toVector();} void AudioSolo::addUUIDs(QVector<QUuid> uuidList) {    // create a reliable NLPacket with space for the solo UUIDs    auto soloPacket = NLPacket::create(PacketType::AudioSoloRequest,                                       uuidList.size() * NUM_BYTES_RFC4122_UUID + sizeof(uint8_t), true);    uint8_t addToSoloList = (uint8_t)true;    soloPacket->writePrimitive(addToSoloList);     {        Lock lock(_mutex);        for (auto uuid : uuidList) {            if (_nodesSoloed.contains(uuid)) {                qWarning() << "Uuid already in solo list:" << uuid;            } else {                // write the node ID to the packet                soloPacket->write(uuid.toRfc4122());                _nodesSoloed.insert(uuid);            }        }    }     // send off this solo packet reliably to the matching node    auto nodeList = DependencyManager::get<NodeList>();    nodeList->broadcastToNodes(std::move(soloPacket), { NodeType::AudioMixer });} void AudioSolo::removeUUIDs(QVector<QUuid> uuidList) {    // create a reliable NLPacket with space for the solo UUIDs    auto soloPacket = NLPacket::create(PacketType::AudioSoloRequest,                                       uuidList.size() * NUM_BYTES_RFC4122_UUID + sizeof(uint8_t), true);    uint8_t addToSoloList = (uint8_t)false;    soloPacket->writePrimitive(addToSoloList);     {        Lock lock(_mutex);        for (auto uuid : uuidList) {            if (!_nodesSoloed.contains(uuid)) {                qWarning() << "Uuid not in solo list:" << uuid;            } else {                // write the node ID to the packet                soloPacket->write(uuid.toRfc4122());                _nodesSoloed.remove(uuid);            }        }    }     // send off this solo packet reliably to the matching node    auto nodeList = DependencyManager::get<NodeList>();    nodeList->broadcastToNodes(std::move(soloPacket), { NodeType::AudioMixer });} void AudioSolo::reset() {    Lock lock(_mutex);    removeUUIDs(getUUIDs());}  void AudioSolo::resend() {    Lock lock(_mutex);    auto uuids = getUUIDs();    _nodesSoloed.clear();    addUUIDs(uuids);}