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Video converter for Linux. PYQT4, phonon, avconv
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| #!/usr/bin/python | |
| # -*- coding: utf-8 -*- | |
| import sys | |
| from PyQt4 import QtGui, QtCore | |
| from PyQt4.phonon import Phonon | |
| from functools import partial | |
| import skimage.io as io | |
| class Export(QtGui.QWidget): | |
| def __init__(self): | |
| super(Export, self).__init__() | |
| self.initUI() | |
| def initUI(self): | |
| self.setStyleSheet("background-color:#333333;color:#FFFFFF") | |
| layout=QtGui.QVBoxLayout() | |
| self.blackStyle="background-color:#000000" | |
| self.greyStyle="background-color:#666666;height:35px;border-width: 0px; border-style: solid" | |
| self.whiteStyle="background-color:#FFFFFF" | |
| self.redStyle="background-color:red ; color:white; height:35px;border-style:solid;border-width:0px" | |
| self.inputFilePath = QtGui.QLabel() | |
| self.setGeometry(300, 300, 390, 600) | |
| self.setWindowTitle('Video Converter') | |
| openFile = QtGui.QPushButton('load video') | |
| openFile.clicked.connect(self.showDialog) | |
| openFile.setStyleSheet(self.redStyle) | |
| self.bitRateText=QtGui.QLabel('Set Bitrate') | |
| self.bitRatesList=["1500k","3500k","6000k","8000k","12000k","25000k","50000k"] | |
| self.bitRate=QtGui.QComboBox() | |
| self.bitRate.setStyleSheet(self.greyStyle) | |
| self.bitRate.addItems(self.bitRatesList) | |
| self.setSizeText=QtGui.QLabel('Set Size') | |
| self.sizeSel= QtGui.QComboBox() | |
| self.sizeSel.setStyleSheet(self.greyStyle) | |
| self.sizeList=["640x480","800x600","1024x768","720x576","768x576","960x540", | |
| "1280x720","1920x1080","2048x1152"] | |
| self.sizeSel.addItems(self.sizeList) | |
| self.formatsLabel=QtGui.QLabel("select extension:") | |
| self.formatList=[".mp4",".wmv",".mpg",".avi"] | |
| self.formatOption=QtGui.QComboBox() | |
| self.formatOption.setStyleSheet(self.greyStyle) | |
| self.formatOption.addItems(self.formatList) | |
| saveFile = QtGui.QPushButton('Export') | |
| saveFile.setStyleSheet(self.redStyle) | |
| saveFile.clicked.connect(self.export) | |
| self.log=QtGui.QTextBrowser() | |
| self.log.setStyleSheet(self.blackStyle) | |
| self.progress=QtGui.QProgressBar() | |
| layout.addWidget(self.inputFilePath) | |
| layout.addWidget(openFile) | |
| layout.addWidget(self.bitRateText) | |
| layout.addWidget(self.bitRate) | |
| layout.addWidget(self.setSizeText) | |
| layout.addWidget(self.sizeSel) | |
| layout.addWidget(self.formatsLabel) | |
| layout.addWidget(self.formatOption) | |
| layout.addWidget(saveFile) | |
| layout.addWidget(self.progress) | |
| layout.addWidget(self.log) | |
| self.setLayout(layout) | |
| #video widget | |
| self.playerWidget=QtGui.QWidget() | |
| self.playerWidget.setWindowTitle("Video preview") | |
| self.playerWidget.setGeometry(600,400,640,480) | |
| self.player=Phonon.VideoPlayer(parent=self.playerWidget) | |
| self.videoWidget=self.player.videoWidget() | |
| self.outputFile="" | |
| self.show() | |
| self.raise_() | |
| def started(self): | |
| self.log.append("started") | |
| self.v=io.Video(self.inputFile) | |
| self.progress.setRange(0,int(self.v.frame_count())) | |
| self.playerWidget.show() | |
| self.player.seek(2) | |
| self.player.pause() | |
| def dataReady(self,proc): | |
| out = str(proc.readAllStandardError()) | |
| self.frame=out[:12] | |
| if "frame" in self.frame: | |
| self.log.append(self.frame) | |
| frameNumber=self.frame.split("=")[1] | |
| self.progress.setValue(int(frameNumber)) | |
| print frameNumber | |
| self.player.seek(int(frameNumber)*40) | |
| def finished(self): | |
| self.progress.setValue(int(self.v.frame_count())) | |
| self.log.append("finished") | |
| self.progress.reset() | |
| self.playerWidget.hide() | |
| def export(self): | |
| if self.outputFile == "" : | |
| self.log.clear() | |
| self.log.append("Please load a video file!") | |
| else: | |
| command="avconv -i %s -y -b %s -s %s %s" %(self.inputFile,self.bitRatesList[self.bitRate.currentIndex()], | |
| self.sizeList[self.sizeSel.currentIndex()],str(self.outputFile+self.formatList[self.formatOption.currentIndex()])) | |
| self.proc = QtCore.QProcess(self) | |
| self.proc.started.connect(self.started) | |
| self.proc.readyReadStandardError.connect(partial(self.dataReady, self.proc)) | |
| self.proc.finished.connect(self.finished) | |
| self.proc.start(command) | |
| def showDialog(self): | |
| self.inputFile= QtGui.QFileDialog.getOpenFileName(self, 'Open file', | |
| '/home') | |
| self.outputFile=self.inputFile.split(".")[0] | |
| self.inputFilePath.setText(self.inputFile.split("/")[-1]) | |
| media_source= Phonon.MediaSource(self.inputFile) | |
| self.player.load(media_source) | |
| def main(): | |
| app = QtGui.QApplication(sys.argv) | |
| app.setStyle("Plastique") | |
| ex = Export() | |
| sys.exit(app.exec_()) | |
| if __name__ == '__main__': | |
| main() |
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Seems when I run it under debugger, it not entered in
startedfunction.