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144 lines
5.2 KiB
Python
144 lines
5.2 KiB
Python
#!/usr/bin/env python
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#############################################################################
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##
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## Copyright (C) 2013 Riverbank Computing Limited.
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## Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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## All rights reserved.
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##
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## This file is part of the examples of PyQt.
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##
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## $QT_BEGIN_LICENSE:BSD$
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## You may use this file under the terms of the BSD license as follows:
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##
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## "Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following conditions are
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## met:
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## * Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## * Redistributions in binary form must reproduce the above copyright
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## notice, this list of conditions and the following disclaimer in
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## the documentation and/or other materials provided with the
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## distribution.
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## * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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## the names of its contributors may be used to endorse or promote
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## products derived from this software without specific prior written
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## permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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## $QT_END_LICENSE$
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##
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#############################################################################
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from PyQt5.QtCore import QDir, Qt, QUrl
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from PyQt5.QtMultimedia import QMediaContent, QMediaPlayer
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from PyQt5.QtMultimediaWidgets import QVideoWidget
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from PyQt5.QtWidgets import (QApplication, QFileDialog, QHBoxLayout, QLabel,
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QPushButton, QSizePolicy, QSlider, QStyle, QVBoxLayout, QWidget)
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class VideoPlayer(QWidget):
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def __init__(self, parent=None):
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super(VideoPlayer, self).__init__(parent)
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self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)
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videoWidget = QVideoWidget()
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openButton = QPushButton("Open...")
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openButton.clicked.connect(self.openFile)
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self.playButton = QPushButton()
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self.playButton.setEnabled(False)
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self.playButton.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
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self.playButton.clicked.connect(self.play)
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self.positionSlider = QSlider(Qt.Horizontal)
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self.positionSlider.setRange(0, 0)
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self.positionSlider.sliderMoved.connect(self.setPosition)
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self.errorLabel = QLabel()
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self.errorLabel.setSizePolicy(QSizePolicy.Preferred,
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QSizePolicy.Maximum)
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controlLayout = QHBoxLayout()
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controlLayout.setContentsMargins(0, 0, 0, 0)
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controlLayout.addWidget(openButton)
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controlLayout.addWidget(self.playButton)
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controlLayout.addWidget(self.positionSlider)
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layout = QVBoxLayout()
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layout.addWidget(videoWidget)
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layout.addLayout(controlLayout)
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layout.addWidget(self.errorLabel)
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self.setLayout(layout)
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self.mediaPlayer.setVideoOutput(videoWidget)
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self.mediaPlayer.stateChanged.connect(self.mediaStateChanged)
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self.mediaPlayer.positionChanged.connect(self.positionChanged)
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self.mediaPlayer.durationChanged.connect(self.durationChanged)
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self.mediaPlayer.error.connect(self.handleError)
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def openFile(self):
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fileName, _ = QFileDialog.getOpenFileName(self, "Open Movie",
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QDir.homePath())
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if fileName != '':
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self.mediaPlayer.setMedia(
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QMediaContent(QUrl.fromLocalFile(fileName)))
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self.playButton.setEnabled(True)
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def play(self):
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if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
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self.mediaPlayer.pause()
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else:
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self.mediaPlayer.play()
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def mediaStateChanged(self, state):
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if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
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self.playButton.setIcon(
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self.style().standardIcon(QStyle.SP_MediaPause))
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else:
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self.playButton.setIcon(
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self.style().standardIcon(QStyle.SP_MediaPlay))
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def positionChanged(self, position):
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self.positionSlider.setValue(position)
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def durationChanged(self, duration):
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self.positionSlider.setRange(0, duration)
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def setPosition(self, position):
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self.mediaPlayer.setPosition(position)
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def handleError(self):
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self.playButton.setEnabled(False)
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self.errorLabel.setText("Error: " + self.mediaPlayer.errorString())
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if __name__ == '__main__':
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import sys
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app = QApplication(sys.argv)
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player = VideoPlayer()
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player.resize(320, 240)
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player.show()
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sys.exit(app.exec_())
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