qyouvideo/player.h

#pragma once

#include <QtMultimedia>
#include <QtConcurrent/QtConcurrent>
#include <QDebug>
#include <QObject>
#include <QNetworkAccessManager>
#include <QtQmlIntegration/qqmlintegration.h>

class Player : public QObject
{
    Q_OBJECT
    QML_SINGLETON
    QML_ELEMENT

    Q_PROPERTY(QString title MEMBER m_title NOTIFY titleChanged FINAL)
    Q_PROPERTY(QString description MEMBER m_description NOTIFY descriptionChanged FINAL)
    Q_PROPERTY(QString id MEMBER m_id NOTIFY idChanged FINAL)
    Q_PROPERTY(bool  active   MEMBER m_active NOTIFY activeChanged   FINAL)
    Q_PROPERTY(float duration MEMBER m_duration NOTIFY durationChanged FINAL)
    Q_PROPERTY(float position MEMBER m_position WRITE setPosition NOTIFY positionChanged FINAL)
    Q_PROPERTY(float buffered MEMBER m_buffered NOTIFY bufferedChanged FINAL)
    Q_PROPERTY(bool  loading  MEMBER m_loading NOTIFY loadingChanged  FINAL)
    Q_PROPERTY(bool  failed   MEMBER m_failed NOTIFY failedChanged   FINAL)
    Q_PROPERTY(bool  playing  READ playing                    NOTIFY playingChanged  FINAL)
    Q_PROPERTY(float volume   READ volume   WRITE setVolume   NOTIFY volumeChanged   FINAL)

public:
    Player(QObject *parent = nullptr);
    ~Player();

    bool  playing()  const;
    float volume()   const;

    void setPosition(float newPosition);
    void setVolume(float newVolume);

public slots:
    void loadVideo(QString id);
    void unloadVideo();
    void play();
    void pause();
    void stop();

signals:
    void titleChanged();
    void descriptionChanged();
    void idChanged();
    void activeChanged();
    void durationChanged();
    void positionChanged();
    void bufferedChanged();
    void loadingChanged();
    void failedChanged();
    void playingChanged();
    void volumeChanged();

private:
    QMediaPlayer player;
    QAudioOutput output;
    QNetworkAccessManager manager;

    QString m_title = "";
    QString m_description = "";
    QString m_id = "";
    float m_duration = 0;
    float m_position = 0;
    float m_buffered = 0;
    bool m_initialLoadFinished = false;
    bool m_active = false;
    bool m_loading = false;
    bool m_failed = false;
};