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(bool  hasVideo READ hasVideo                NOTIFY hasVideoChanged FINAL)
    Q_PROPERTY(bool  loading  READ loading                 NOTIFY loadingChanged  FINAL)
    Q_PROPERTY(bool  failed   READ 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  hasVideo() const;
    bool  loading()  const;
    bool  failed()   const;
    bool  playing()  const;
    float volume()   const;

    void setVolume(float newVolume);

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

signals:
    void hasVideoChanged();
    void loadingChanged();
    void failedChanged();
    void playingChanged();
    void volumeChanged();

private:
    QMediaPlayer player;
    QAudioOutput output;
    QNetworkAccessManager manager;

    bool m_failed = false;
};