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50
51#ifndef PLAYER_H
52#define PLAYER_H
53
54#include <QWidget>
55#include <QMediaPlayer>
56#include <QMediaPlaylist>
57
58QT_BEGIN_NAMESPACE
59class QAbstractItemView;
60class QLabel;
61class QMediaPlayer;
62class QModelIndex;
63class QPushButton;
64class QSlider;
65class QStatusBar;
66class QVideoProbe;
67class QVideoWidget;
68class QAudioProbe;
69QT_END_NAMESPACE
70
71class PlaylistModel;
72class HistogramWidget;
73
74class Player : public QWidget
75{
76 Q_OBJECT
77
78public:
79 explicit Player(QWidget *parent = nullptr);
80 ~Player();
81
82 bool isPlayerAvailable() const;
83
84 void addToPlaylist(const QList<QUrl> &urls);
85 void setCustomAudioRole(const QString &role);
86
87signals:
88 void fullScreenChanged(bool fullScreen);
89
90private slots:
91 void open();
92 void durationChanged(qint64 duration);
93 void positionChanged(qint64 progress);
94 void metaDataChanged();
95
96 void previousClicked();
97
98 void seek(int seconds);
99 void jump(const QModelIndex &index);
100 void playlistPositionChanged(int);
101
102 void statusChanged(QMediaPlayer::MediaStatus status);
103 void stateChanged(QMediaPlayer::State state);
104 void bufferingProgress(int progress);
105 void videoAvailableChanged(bool available);
106
107 void displayErrorMessage();
108
109 void showColorDialog();
110
111private:
112 void clearHistogram();
113 void setTrackInfo(const QString &info);
114 void setStatusInfo(const QString &info);
115 void handleCursor(QMediaPlayer::MediaStatus status);
116 void updateDurationInfo(qint64 currentInfo);
117
118 QMediaPlayer *m_player = nullptr;
119 QMediaPlaylist *m_playlist = nullptr;
120 QVideoWidget *m_videoWidget = nullptr;
121 QLabel *m_coverLabel = nullptr;
122 QSlider *m_slider = nullptr;
123 QLabel *m_labelDuration = nullptr;
124 QPushButton *m_fullScreenButton = nullptr;
125 QPushButton *m_colorButton = nullptr;
126 QDialog *m_colorDialog = nullptr;
127 QLabel *m_statusLabel = nullptr;
128 QStatusBar *m_statusBar = nullptr;
129
130 QLabel *m_labelHistogram = nullptr;
131 HistogramWidget *m_videoHistogram = nullptr;
132 HistogramWidget *m_audioHistogram = nullptr;
133 QVideoProbe *m_videoProbe = nullptr;
134 QAudioProbe *m_audioProbe = nullptr;
135
136 PlaylistModel *m_playlistModel = nullptr;
137 QAbstractItemView *m_playlistView = nullptr;
138 QString m_trackInfo;
139 QString m_statusInfo;
140 qint64 m_duration;
141};
142
143#endif // PLAYER_H
144

source code of qtmultimedia/examples/multimediawidgets/player/player.h