////  PositionalAudioStream.h//  libraries/audio/src////  Created by Stephen Birarda on 6/5/13.//  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// #ifndef hifi_PositionalAudioStream_h#define hifi_PositionalAudioStream_h #include <glm/gtx/quaternion.hpp>#include <AABox.h> #include "InboundAudioStream.h" const int AUDIOMIXER_INBOUND_RING_BUFFER_FRAME_CAPACITY = 100; using StreamID = QUuid;const int NUM_STREAM_ID_BYTES = NUM_BYTES_RFC4122_UUID; struct NodeIDStreamID {    QUuid nodeID;    Node::LocalID nodeLocalID;    StreamID streamID;     NodeIDStreamID(QUuid nodeID, Node::LocalID nodeLocalID, StreamID streamID)        : nodeID(nodeID), nodeLocalID(nodeLocalID), streamID(streamID) {};     bool operator==(const NodeIDStreamID& other) const {        return (nodeLocalID == other.nodeLocalID || nodeID == other.nodeID) && streamID == other.streamID;    }}; using ChannelFlag = quint8; class PositionalAudioStream : public InboundAudioStream {    Q_OBJECTpublic:    enum Type {        Microphone,        Injector    };     PositionalAudioStream(PositionalAudioStream::Type type, bool isStereo, int numStaticJitterFrames = -1);     const QUuid DEFAULT_STREAM_IDENTIFIER = QUuid();    virtual const StreamID& getStreamIdentifier() const { return DEFAULT_STREAM_IDENTIFIER; }     virtual void resetStats() override;     virtual AudioStreamStats getAudioStreamStats() const override;     void updateLastPopOutputLoudnessAndTrailingLoudness();    float getLastPopOutputTrailingLoudness() const { return _lastPopOutputTrailingLoudness; }    float getLastPopOutputLoudness() const { return _lastPopOutputLoudness; }    float getQuietestFrameLoudness() const { return _quietestFrameLoudness; }     bool shouldLoopbackForNode() const { return _shouldLoopbackForNode; }    bool isStereo() const { return _isStereo; }     PositionalAudioStream::Type getType() const { return _type; }     const glm::vec3& getPosition() const { return _position; }    const glm::quat& getOrientation() const { return _orientation; }    const glm::vec3& getAvatarBoundingBoxCorner() const { return _avatarBoundingBoxCorner; }    const glm::vec3& getAvatarBoundingBoxScale() const { return _avatarBoundingBoxScale; }     using IgnoreBox = AABox;     // called from single AudioMixerWorker while processing packets for node    void enableIgnoreBox();    void disableIgnoreBox() { _isIgnoreBoxEnabled = false; }     // thread-safe, called from AudioMixerWorker(s) while preparing mixes    bool isIgnoreBoxEnabled() const { return _isIgnoreBoxEnabled; }    const IgnoreBox& getIgnoreBox() const { return _ignoreBox; } protected:    // disallow copying of PositionalAudioStream objects    PositionalAudioStream(const PositionalAudioStream&);    PositionalAudioStream& operator= (const PositionalAudioStream&);     int parsePositionalData(const QByteArray& positionalByteArray); protected:    void calculateIgnoreBox();     Type _type;    glm::vec3 _position;    glm::quat _orientation;     glm::vec3 _avatarBoundingBoxCorner;    glm::vec3 _avatarBoundingBoxScale;     bool _shouldLoopbackForNode;    bool _isStereo;    // Ignore penumbra filter    bool _ignorePenumbra;     float _lastPopOutputTrailingLoudness;    float _lastPopOutputLoudness;    float _quietestTrailingFrameLoudness;    float _quietestFrameLoudness;    int _frameCounter;     bool _isIgnoreBoxEnabled { false };    IgnoreBox _ignoreBox;}; #endif // hifi_PositionalAudioStream_h