#! /usr/bin/env python3 # # Qt example for VLC Python bindings # Copyright (C) 2009-2010 the VideoLAN team # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. # import sys import os.path import vlc from PyQt4 import QtGui, QtCore try: unicode # Python 2 except NameError: unicode = str # Python 3 class Player(QtGui.QMainWindow): """A simple Media Player using VLC and Qt """ def __init__(self, master=None): QtGui.QMainWindow.__init__(self, master) self.setWindowTitle("Media Player") # creating a basic vlc instance self.instance = vlc.Instance() # creating an empty vlc media player self.mediaplayer = self.instance.media_player_new() self.createUI() self.isPaused = False def createUI(self): """Set up the user interface, signals & slots """ self.widget = QtGui.QWidget(self) self.setCentralWidget(self.widget) # In this widget, the video will be drawn if sys.platform == "darwin": # for MacOS self.videoframe = QtGui.QMacCocoaViewContainer(0) else: self.videoframe = QtGui.QFrame() self.palette = self.videoframe.palette() self.palette.setColor (QtGui.QPalette.Window, QtGui.QColor(0,0,0)) self.videoframe.setPalette(self.palette) self.videoframe.setAutoFillBackground(True) self.positionslider = QtGui.QSlider(QtCore.Qt.Horizontal, self) self.positionslider.setToolTip("Position") self.positionslider.setMaximum(1000) self.connect(self.positionslider, QtCore.SIGNAL("sliderMoved(int)"), self.setPosition) self.hbuttonbox = QtGui.QHBoxLayout() self.playbutton = QtGui.QPushButton("Play") self.hbuttonbox.addWidget(self.playbutton) self.connect(self.playbutton, QtCore.SIGNAL("clicked()"), self.PlayPause) self.stopbutton = QtGui.QPushButton("Stop") self.hbuttonbox.addWidget(self.stopbutton) self.connect(self.stopbutton, QtCore.SIGNAL("clicked()"), self.Stop) self.hbuttonbox.addStretch(1) self.volumeslider = QtGui.QSlider(QtCore.Qt.Horizontal, self) self.volumeslider.setMaximum(100) self.volumeslider.setValue(self.mediaplayer.audio_get_volume()) self.volumeslider.setToolTip("Volume") self.hbuttonbox.addWidget(self.volumeslider) self.connect(self.volumeslider, QtCore.SIGNAL("valueChanged(int)"), self.setVolume) self.vboxlayout = QtGui.QVBoxLayout() self.vboxlayout.addWidget(self.videoframe) self.vboxlayout.addWidget(self.positionslider) self.vboxlayout.addLayout(self.hbuttonbox) self.widget.setLayout(self.vboxlayout) open = QtGui.QAction("&Open", self) self.connect(open, QtCore.SIGNAL("triggered()"), self.OpenFile) exit = QtGui.QAction("&Exit", self) self.connect(exit, QtCore.SIGNAL("triggered()"), sys.exit) menubar = self.menuBar() filemenu = menubar.addMenu("&File") filemenu.addAction(open) filemenu.addSeparator() filemenu.addAction(exit) self.timer = QtCore.QTimer(self) self.timer.setInterval(200) self.connect(self.timer, QtCore.SIGNAL("timeout()"), self.updateUI) def PlayPause(self): """Toggle play/pause status """ if self.mediaplayer.is_playing(): self.mediaplayer.pause() self.playbutton.setText("Play") self.isPaused = True else: if self.mediaplayer.play() == -1: self.OpenFile() return self.mediaplayer.play() self.playbutton.setText("Pause") self.timer.start() self.isPaused = False def Stop(self): """Stop player """ self.mediaplayer.stop() self.playbutton.setText("Play") def OpenFile(self, filename=None): """Open a media file in a MediaPlayer """ if filename is None: filename = QtGui.QFileDialog.getOpenFileName(self, "Open File", os.path.expanduser('~')) if not filename: return # create the media if sys.version < '3': filename = unicode(filename) self.media = self.instance.media_new(filename) # put the media in the media player self.mediaplayer.set_media(self.media) # parse the metadata of the file self.media.parse() # set the title of the track as window title self.setWindowTitle(self.media.get_meta(0)) # the media player has to be 'connected' to the QFrame # (otherwise a video would be displayed in it's own window) # this is platform specific! # you have to give the id of the QFrame (or similar object) to # vlc, different platforms have different functions for this if sys.platform.startswith('linux'): # for Linux using the X Server self.mediaplayer.set_xwindow(self.videoframe.winId()) elif sys.platform == "win32": # for Windows self.mediaplayer.set_hwnd(self.videoframe.winId()) elif sys.platform == "darwin": # for MacOS self.mediaplayer.set_nsobject(self.videoframe.winId()) self.PlayPause() def setVolume(self, Volume): """Set the volume """ self.mediaplayer.audio_set_volume(Volume) def setPosition(self, position): """Set the position """ # setting the position to where the slider was dragged self.mediaplayer.set_position(position / 1000.0) # the vlc MediaPlayer needs a float value between 0 and 1, Qt # uses integer variables, so you need a factor; the higher the # factor, the more precise are the results # (1000 should be enough) def updateUI(self): """updates the user interface""" # setting the slider to the desired position self.positionslider.setValue(self.mediaplayer.get_position() * 1000) if not self.mediaplayer.is_playing(): # no need to call this function if nothing is played self.timer.stop() if not self.isPaused: # after the video finished, the play button stills shows # "Pause", not the desired behavior of a media player # this will fix it self.Stop() if __name__ == "__main__": app = QtGui.QApplication(sys.argv) player = Player() player.show() player.resize(640, 480) if sys.argv[1:]: player.OpenFile(sys.argv[1]) sys.exit(app.exec_())