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41
42"""PySide2 Multimedia player example"""
43
44import sys
45from PySide2.QtCore import QStandardPaths, Qt
46from PySide2.QtGui import QIcon, QKeySequence
47from PySide2.QtWidgets import (QAction, QApplication, QDialog, QFileDialog,
48    QMainWindow, QSlider, QStyle, QToolBar)
49from PySide2.QtMultimedia import QMediaPlayer, QMediaPlaylist
50from PySide2.QtMultimediaWidgets import QVideoWidget
51
52class MainWindow(QMainWindow):
53
54    def __init__(self):
55        super(MainWindow, self).__init__()
56
57        self.playlist = QMediaPlaylist()
58        self.player = QMediaPlayer()
59
60        toolBar = QToolBar()
61        self.addToolBar(toolBar)
62
63        fileMenu = self.menuBar().addMenu("&File")
64        openAction = QAction(QIcon.fromTheme("document-open"),
65                             "&Open...", self, shortcut=QKeySequence.Open,
66                             triggered=self.open)
67        fileMenu.addAction(openAction)
68        exitAction = QAction(QIcon.fromTheme("application-exit"), "E&xit",
69                             self, shortcut="Ctrl+Q", triggered=self.close)
70        fileMenu.addAction(exitAction)
71
72        playMenu = self.menuBar().addMenu("&Play")
73        playIcon = self.style().standardIcon(QStyle.SP_MediaPlay)
74        self.playAction = toolBar.addAction(playIcon, "Play")
75        self.playAction.triggered.connect(self.player.play)
76        playMenu.addAction(self.playAction)
77
78        previousIcon = self.style().standardIcon(QStyle.SP_MediaSkipBackward)
79        self.previousAction = toolBar.addAction(previousIcon, "Previous")
80        self.previousAction.triggered.connect(self.previousClicked)
81        playMenu.addAction(self.previousAction)
82
83        pauseIcon = self.style().standardIcon(QStyle.SP_MediaPause)
84        self.pauseAction = toolBar.addAction(pauseIcon, "Pause")
85        self.pauseAction.triggered.connect(self.player.pause)
86        playMenu.addAction(self.pauseAction)
87
88        nextIcon = self.style().standardIcon(QStyle.SP_MediaSkipForward)
89        self.nextAction = toolBar.addAction(nextIcon, "Next")
90        self.nextAction.triggered.connect(self.playlist.next)
91        playMenu.addAction(self.nextAction)
92
93        stopIcon = self.style().standardIcon(QStyle.SP_MediaStop)
94        self.stopAction = toolBar.addAction(stopIcon, "Stop")
95        self.stopAction.triggered.connect(self.player.stop)
96        playMenu.addAction(self.stopAction)
97
98        self.volumeSlider = QSlider()
99        self.volumeSlider.setOrientation(Qt.Horizontal)
100        self.volumeSlider.setMinimum(0)
101        self.volumeSlider.setMaximum(100)
102        self.volumeSlider.setFixedWidth(app.desktop().availableGeometry(self).width() / 10)
103        self.volumeSlider.setValue(self.player.volume())
104        self.volumeSlider.setTickInterval(10)
105        self.volumeSlider.setTickPosition(QSlider.TicksBelow)
106        self.volumeSlider.setToolTip("Volume")
107        self.volumeSlider.valueChanged.connect(self.player.setVolume)
108        toolBar.addWidget(self.volumeSlider)
109
110        aboutMenu = self.menuBar().addMenu("&About")
111        aboutQtAct = QAction("About &Qt", self, triggered=qApp.aboutQt)
112        aboutMenu.addAction(aboutQtAct)
113
114        self.videoWidget = QVideoWidget()
115        self.setCentralWidget(self.videoWidget)
116        self.player.setPlaylist(self.playlist)
117        self.player.stateChanged.connect(self.updateButtons)
118        self.player.setVideoOutput(self.videoWidget)
119
120        self.updateButtons(self.player.state())
121
122    def open(self):
123        fileDialog = QFileDialog(self)
124        supportedMimeTypes = QMediaPlayer.supportedMimeTypes()
125        if not supportedMimeTypes:
126            supportedMimeTypes.append("video/x-msvideo") # AVI
127        fileDialog.setMimeTypeFilters(supportedMimeTypes)
128        moviesLocation = QStandardPaths.writableLocation(QStandardPaths.MoviesLocation)
129        fileDialog.setDirectory(moviesLocation)
130        if fileDialog.exec_() == QDialog.Accepted:
131            self.playlist.addMedia(fileDialog.selectedUrls()[0])
132            self.player.play()
133
134    def previousClicked(self):
135        # Go to previous track if we are within the first 5 seconds of playback
136        # Otherwise, seek to the beginning.
137        if self.player.position() <= 5000:
138            self.playlist.previous()
139        else:
140            player.setPosition(0)
141
142    def updateButtons(self, state):
143        mediaCount = self.playlist.mediaCount()
144        self.playAction.setEnabled(mediaCount > 0
145            and state != QMediaPlayer.PlayingState)
146        self.pauseAction.setEnabled(state == QMediaPlayer.PlayingState)
147        self.stopAction.setEnabled(state != QMediaPlayer.StoppedState)
148        self.previousAction.setEnabled(self.player.position() > 0)
149        self.nextAction.setEnabled(mediaCount > 1)
150
151if __name__ == '__main__':
152    app = QApplication(sys.argv)
153    mainWin = MainWindow()
154    availableGeometry = app.desktop().availableGeometry(mainWin)
155    mainWin.resize(availableGeometry.width() / 3, availableGeometry.height() / 2)
156    mainWin.show()
157    sys.exit(app.exec_())
158