1#!/usr/bin/env python 2 3 4############################################################################# 5## 6## Copyright (C) 2013 Riverbank Computing Limited. 7## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 8## All rights reserved. 9## 10## This file is part of the examples of PyQt. 11## 12## $QT_BEGIN_LICENSE:BSD$ 13## You may use this file under the terms of the BSD license as follows: 14## 15## "Redistribution and use in source and binary forms, with or without 16## modification, are permitted provided that the following conditions are 17## met: 18## * Redistributions of source code must retain the above copyright 19## notice, this list of conditions and the following disclaimer. 20## * Redistributions in binary form must reproduce the above copyright 21## notice, this list of conditions and the following disclaimer in 22## the documentation and/or other materials provided with the 23## distribution. 24## * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor 25## the names of its contributors may be used to endorse or promote 26## products derived from this software without specific prior written 27## permission. 28## 29## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 30## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 31## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 32## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 33## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 34## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 35## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 39## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 40## $QT_END_LICENSE$ 41## 42############################################################################# 43 44 45from PyQt5.QtCore import QFileInfo, QSize, Qt 46from PyQt5.QtGui import QMovie, QPalette 47from PyQt5.QtWidgets import (QApplication, QCheckBox, QFileDialog, QGridLayout, 48 QHBoxLayout, QLabel, QSizePolicy, QSlider, QSpinBox, QStyle, 49 QToolButton, QVBoxLayout, QWidget) 50 51 52class MoviePlayer(QWidget): 53 def __init__(self, parent=None): 54 super(MoviePlayer, self).__init__(parent) 55 56 self.movie = QMovie(self) 57 self.movie.setCacheMode(QMovie.CacheAll) 58 59 self.movieLabel = QLabel("No movie loaded") 60 self.movieLabel.setAlignment(Qt.AlignCenter) 61 self.movieLabel.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored) 62 self.movieLabel.setBackgroundRole(QPalette.Dark) 63 self.movieLabel.setAutoFillBackground(True) 64 65 self.currentMovieDirectory = '' 66 67 self.createControls() 68 self.createButtons() 69 70 self.movie.frameChanged.connect(self.updateFrameSlider) 71 self.movie.stateChanged.connect(self.updateButtons) 72 self.fitCheckBox.clicked.connect(self.fitToWindow) 73 self.frameSlider.valueChanged.connect(self.goToFrame) 74 self.speedSpinBox.valueChanged.connect(self.movie.setSpeed) 75 76 mainLayout = QVBoxLayout() 77 mainLayout.addWidget(self.movieLabel) 78 mainLayout.addLayout(self.controlsLayout) 79 mainLayout.addLayout(self.buttonsLayout) 80 self.setLayout(mainLayout) 81 82 self.updateFrameSlider() 83 self.updateButtons() 84 85 self.setWindowTitle("Movie Player") 86 self.resize(400, 400) 87 88 def open(self): 89 fileName, _ = QFileDialog.getOpenFileName(self, "Open a Movie", 90 self.currentMovieDirectory) 91 92 if fileName: 93 self.openFile(fileName) 94 95 def openFile(self, fileName): 96 self.currentMovieDirectory = QFileInfo(fileName).path() 97 98 self.movie.stop() 99 self.movieLabel.setMovie(self.movie) 100 self.movie.setFileName(fileName) 101 self.movie.start() 102 103 self.updateFrameSlider(); 104 self.updateButtons(); 105 106 def goToFrame(self, frame): 107 self.movie.jumpToFrame(frame) 108 109 def fitToWindow(self): 110 self.movieLabel.setScaledContents(self.fitCheckBox.isChecked()) 111 112 def updateFrameSlider(self): 113 hasFrames = (self.movie.currentFrameNumber() >= 0) 114 115 if hasFrames: 116 if self.movie.frameCount() > 0: 117 self.frameSlider.setMaximum(self.movie.frameCount() - 1) 118 elif self.movie.currentFrameNumber() > self.frameSlider.maximum(): 119 self.frameSlider.setMaximum(self.movie.currentFrameNumber()) 120 121 self.frameSlider.setValue(self.movie.currentFrameNumber()) 122 else: 123 self.frameSlider.setMaximum(0) 124 125 self.frameLabel.setEnabled(hasFrames) 126 self.frameSlider.setEnabled(hasFrames) 127 128 def updateButtons(self): 129 state = self.movie.state() 130 131 self.playButton.setEnabled(self.movie.isValid() and 132 self.movie.frameCount() != 1 and state == QMovie.NotRunning) 133 self.pauseButton.setEnabled(state != QMovie.NotRunning) 134 self.pauseButton.setChecked(state == QMovie.Paused) 135 self.stopButton.setEnabled(state != QMovie.NotRunning) 136 137 def createControls(self): 138 self.fitCheckBox = QCheckBox("Fit to Window") 139 140 self.frameLabel = QLabel("Current frame:") 141 142 self.frameSlider = QSlider(Qt.Horizontal) 143 self.frameSlider.setTickPosition(QSlider.TicksBelow) 144 self.frameSlider.setTickInterval(10) 145 146 speedLabel = QLabel("Speed:") 147 148 self.speedSpinBox = QSpinBox() 149 self.speedSpinBox.setRange(1, 9999) 150 self.speedSpinBox.setValue(100) 151 self.speedSpinBox.setSuffix("%") 152 153 self.controlsLayout = QGridLayout() 154 self.controlsLayout.addWidget(self.fitCheckBox, 0, 0, 1, 2) 155 self.controlsLayout.addWidget(self.frameLabel, 1, 0) 156 self.controlsLayout.addWidget(self.frameSlider, 1, 1, 1, 2) 157 self.controlsLayout.addWidget(speedLabel, 2, 0) 158 self.controlsLayout.addWidget(self.speedSpinBox, 2, 1) 159 160 def createButtons(self): 161 iconSize = QSize(36, 36) 162 163 openButton = QToolButton() 164 openButton.setIcon(self.style().standardIcon(QStyle.SP_DialogOpenButton)) 165 openButton.setIconSize(iconSize) 166 openButton.setToolTip("Open File") 167 openButton.clicked.connect(self.open) 168 169 self.playButton = QToolButton() 170 self.playButton.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay)) 171 self.playButton.setIconSize(iconSize) 172 self.playButton.setToolTip("Play") 173 self.playButton.clicked.connect(self.movie.start) 174 175 self.pauseButton = QToolButton() 176 self.pauseButton.setCheckable(True) 177 self.pauseButton.setIcon(self.style().standardIcon(QStyle.SP_MediaPause)) 178 self.pauseButton.setIconSize(iconSize) 179 self.pauseButton.setToolTip("Pause") 180 self.pauseButton.clicked.connect(self.movie.setPaused) 181 182 self.stopButton = QToolButton() 183 self.stopButton.setIcon(self.style().standardIcon(QStyle.SP_MediaStop)) 184 self.stopButton.setIconSize(iconSize) 185 self.stopButton.setToolTip("Stop") 186 self.stopButton.clicked.connect(self.movie.stop) 187 188 quitButton = QToolButton() 189 quitButton.setIcon(self.style().standardIcon(QStyle.SP_DialogCloseButton)) 190 quitButton.setIconSize(iconSize) 191 quitButton.setToolTip("Quit") 192 quitButton.clicked.connect(self.close) 193 194 self.buttonsLayout = QHBoxLayout() 195 self.buttonsLayout.addStretch() 196 self.buttonsLayout.addWidget(openButton) 197 self.buttonsLayout.addWidget(self.playButton) 198 self.buttonsLayout.addWidget(self.pauseButton) 199 self.buttonsLayout.addWidget(self.stopButton) 200 self.buttonsLayout.addWidget(quitButton) 201 self.buttonsLayout.addStretch() 202 203 204if __name__ == '__main__': 205 206 import sys 207 208 app = QApplication(sys.argv) 209 player = MoviePlayer() 210 player.show() 211 sys.exit(app.exec_()) 212