400 lines
15 KiB
Python
400 lines
15 KiB
Python
import sys, io, os
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from PyQt4 import QtCore, QtGui, uic
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from os.path import expanduser
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import atexit
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from queue import Queue
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from PyQt4.QtCore import QSettings, QModelIndex
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import signal
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from importlib import import_module
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import preview_thread, core, video_thread
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# FIXME: commandline functionality broken until we decide how to implement it
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'''
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class Command(QtCore.QObject):
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videoTask = QtCore.pyqtSignal(str, str, str, list)
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def __init__(self):
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QtCore.QObject.__init__(self)
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self.modules = []
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self.selectedComponents = []
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import argparse
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self.parser = argparse.ArgumentParser(description='Create a visualization for an audio file')
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self.parser.add_argument('-i', '--input', dest='input', help='input audio file', required=True)
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self.parser.add_argument('-o', '--output', dest='output', help='output video file', required=True)
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self.parser.add_argument('-b', '--background', dest='bgimage', help='background image file', required=True)
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self.parser.add_argument('-t', '--text', dest='text', help='title text', required=True)
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self.parser.add_argument('-f', '--font', dest='font', help='title font', required=False)
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self.parser.add_argument('-s', '--fontsize', dest='fontsize', help='title font size', required=False)
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self.parser.add_argument('-c', '--textcolor', dest='textcolor', help='title text color in r,g,b format', required=False)
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self.parser.add_argument('-C', '--viscolor', dest='viscolor', help='visualization color in r,g,b format', required=False)
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self.parser.add_argument('-x', '--xposition', dest='xposition', help='x position', required=False)
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self.parser.add_argument('-y', '--yposition', dest='yposition', help='y position', required=False)
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self.parser.add_argument('-a', '--alignment', dest='alignment', help='title alignment', required=False, type=int, choices=[0, 1, 2])
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self.args = self.parser.parse_args()
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self.settings = QSettings('settings.ini', QSettings.IniFormat)
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LoadDefaultSettings(self)
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# load colours as tuples from comma-separated strings
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self.textColor = core.Core.RGBFromString(self.settings.value("textColor", '255, 255, 255'))
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self.visColor = core.Core.RGBFromString(self.settings.value("visColor", '255, 255, 255'))
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if self.args.textcolor:
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self.textColor = core.Core.RGBFromString(self.args.textcolor)
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if self.args.viscolor:
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self.visColor = core.Core.RGBFromString(self.args.viscolor)
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# font settings
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if self.args.font:
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self.font = QFont(self.args.font)
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else:
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self.font = QFont(self.settings.value("titleFont", QFont()))
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if self.args.fontsize:
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self.fontsize = int(self.args.fontsize)
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else:
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self.fontsize = int(self.settings.value("fontSize", 35))
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if self.args.alignment:
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self.alignment = int(self.args.alignment)
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else:
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self.alignment = int(self.settings.value("alignment", 0))
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if self.args.xposition:
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self.textX = int(self.args.xposition)
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else:
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self.textX = int(self.settings.value("xPosition", 70))
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if self.args.yposition:
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self.textY = int(self.args.yposition)
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else:
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self.textY = int(self.settings.value("yPosition", 375))
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ffmpeg_cmd = self.settings.value("ffmpeg_cmd", expanduser("~"))
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self.videoThread = QtCore.QThread(self)
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self.videoWorker = video_thread.Worker(self)
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self.videoWorker.moveToThread(self.videoThread)
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self.videoWorker.videoCreated.connect(self.videoCreated)
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self.videoThread.start()
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self.videoTask.emit(self.args.bgimage,
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self.args.text,
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self.font,
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self.fontsize,
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self.alignment,
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self.textX,
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self.textY,
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self.textColor,
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self.visColor,
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self.args.input,
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self.args.output,
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self.selectedComponents)
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def videoCreated(self):
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self.videoThread.quit()
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self.videoThread.wait()
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self.cleanUp()
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def cleanUp(self):
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self.settings.setValue("titleFont", self.font.toString())
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self.settings.setValue("alignment", str(self.alignment))
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self.settings.setValue("fontSize", str(self.fontsize))
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self.settings.setValue("xPosition", str(self.textX))
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self.settings.setValue("yPosition", str(self.textY))
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self.settings.setValue("visColor", '%s,%s,%s' % self.visColor)
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self.settings.setValue("textColor", '%s,%s,%s' % self.textColor)
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sys.exit(0)
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'''
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class Main(QtCore.QObject):
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newTask = QtCore.pyqtSignal(str, list)
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processTask = QtCore.pyqtSignal()
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videoTask = QtCore.pyqtSignal(str, str, str, list)
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def __init__(self, window):
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QtCore.QObject.__init__(self)
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# print('main thread id: {}'.format(QtCore.QThread.currentThreadId()))
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self.window = window
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self.core = core.Core()
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self.settings = QSettings('settings.ini', QSettings.IniFormat)
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LoadDefaultSettings(self)
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self.pages = []
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self.previewQueue = Queue()
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self.previewThread = QtCore.QThread(self)
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self.previewWorker = preview_thread.Worker(self, self.previewQueue)
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self.previewWorker.moveToThread(self.previewThread)
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self.previewWorker.imageCreated.connect(self.showPreviewImage)
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self.previewThread.start()
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self.timer = QtCore.QTimer(self)
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self.timer.timeout.connect(self.processTask.emit)
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self.timer.start(500)
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# begin decorating the window and connecting events
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window.toolButton_selectAudioFile.clicked.connect(self.openInputFileDialog)
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window.toolButton_selectBackground.clicked.connect(self.openBackgroundFileDialog)
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window.toolButton_selectOutputFile.clicked.connect(self.openOutputFileDialog)
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window.progressBar_createVideo.setValue(0)
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window.pushButton_createVideo.clicked.connect(self.createAudioVisualisation)
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window.setWindowTitle("Audio Visualizer")
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self.modules = self.findComponents()
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for component in self.modules:
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window.comboBox_componentSelection.addItem(component.__doc__)
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window.listWidget_componentList.clicked.connect(lambda _: self.changeComponentWidget())
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self.selectedComponents = []
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self.window.pushButton_addComponent.clicked.connect( \
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lambda _: self.addComponent(self.window.comboBox_componentSelection.currentIndex())
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)
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self.window.pushButton_removeComponent.clicked.connect(lambda _: self.removeComponent())
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currentRes = str(self.settings.value('outputWidth'))+'x'+str(self.settings.value('outputHeight'))
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for i, res in enumerate(self.resolutions):
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window.comboBox_resolution.addItem(res)
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if res == currentRes:
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currentRes = i
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window.comboBox_resolution.setCurrentIndex(currentRes)
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window.comboBox_resolution.currentIndexChanged.connect(self.updateResolution)
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self.window.pushButton_listMoveUp.clicked.connect(self.moveComponentUp)
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self.window.pushButton_listMoveDown.clicked.connect(self.moveComponentDown)
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'''
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window.lineEdit_visColor.setText('%s,%s,%s' % self.visColor)
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window.pushButton_visColor.clicked.connect(lambda: self.pickColor('vis'))
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btnStyle = "QPushButton { background-color : %s; outline: none; }" % QColor(*self.visColor).name()
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window.pushButton_visColor.setStyleSheet(btnStyle)
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window.lineEdit_visColor.textChanged.connect(self.drawPreview)
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'''
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self.drawPreview()
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window.show()
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def cleanUp(self):
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self.timer.stop()
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self.previewThread.quit()
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self.previewThread.wait()
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# TODO: replace remembered settings with presets/projects
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'''
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self.settings.setValue("titleFont", self.window.fontComboBox_titleFont.currentFont().toString())
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self.settings.setValue("alignment", str(self.window.comboBox_textAlign.currentIndex()))
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self.settings.setValue("fontSize", str(self.window.spinBox_fontSize.value()))
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self.settings.setValue("xPosition", str(self.window.spinBox_xTextAlign.value()))
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self.settings.setValue("yPosition", str(self.window.spinBox_yTextAlign.value()))
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self.settings.setValue("visColor", self.window.lineEdit_visColor.text())
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self.settings.setValue("textColor", self.window.lineEdit_textColor.text())
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'''
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def openInputFileDialog(self):
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inputDir = self.settings.value("inputDir", expanduser("~"))
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fileName = QtGui.QFileDialog.getOpenFileName(self.window,
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"Open Music File", inputDir, "Music Files (*.mp3 *.wav *.ogg *.flac)");
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if not fileName == "":
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self.settings.setValue("inputDir", os.path.dirname(fileName))
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self.window.lineEdit_audioFile.setText(fileName)
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def openOutputFileDialog(self):
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outputDir = self.settings.value("outputDir", expanduser("~"))
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fileName = QtGui.QFileDialog.getSaveFileName(self.window,
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"Set Output Video File", outputDir, "Video Files (*.mkv)");
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if not fileName == "":
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self.settings.setValue("outputDir", os.path.dirname(fileName))
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self.window.lineEdit_outputFile.setText(fileName)
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def openBackgroundFileDialog(self):
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backgroundDir = self.settings.value("backgroundDir", expanduser("~"))
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fileName = QtGui.QFileDialog.getOpenFileName(self.window,
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"Open Background Image", backgroundDir, "Image Files (*.jpg *.png);; Video Files (*.mp4)");
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if not fileName == "":
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self.settings.setValue("backgroundDir", os.path.dirname(fileName))
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self.window.lineEdit_background.setText(fileName)
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self.drawPreview()
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def createAudioVisualisation(self):
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# create output video if mandatory settings are filled in
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if self.window.lineEdit_audioFile.text() and self.window.lineEdit_outputFile.text():
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ffmpeg_cmd = self.settings.value("ffmpeg_cmd", expanduser("~"))
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self.videoThread = QtCore.QThread(self)
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self.videoWorker = video_thread.Worker(self)
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self.videoWorker.moveToThread(self.videoThread)
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self.videoWorker.videoCreated.connect(self.videoCreated)
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self.videoWorker.progressBarUpdate.connect(self.progressBarUpdated)
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self.videoWorker.progressBarSetText.connect(self.progressBarSetText)
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self.videoThread.start()
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self.videoTask.emit(self.window.lineEdit_background.text(),
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self.window.lineEdit_audioFile.text(),
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self.window.lineEdit_outputFile.text(),
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self.selectedComponents)
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else:
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# TODO: use QMessageBox or similar to alert user that fields are empty
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pass
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def progressBarUpdated(self, value):
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self.window.progressBar_createVideo.setValue(value)
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def progressBarSetText(self, value):
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self.window.progressBar_createVideo.setFormat(value)
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def videoCreated(self):
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self.videoThread.quit()
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self.videoThread.wait()
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def updateResolution(self):
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resIndex = int(window.comboBox_resolution.currentIndex())
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res = self.resolutions[resIndex].split('x')
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self.settings.setValue('outputWidth',res[0])
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self.settings.setValue('outputHeight',res[1])
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self.drawPreview()
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def drawPreview(self):
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#self.settings.setValue('visLayout', self.window.comboBox_visLayout.currentIndex())
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self.newTask.emit(self.window.lineEdit_background.text(), self.selectedComponents)
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# self.processTask.emit()
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def showPreviewImage(self, image):
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self._scaledPreviewImage = image
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self._previewPixmap = QtGui.QPixmap.fromImage(self._scaledPreviewImage)
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self.window.label_previewContainer.setPixmap(self._previewPixmap)
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def findComponents(self):
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def findComponents():
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srcPath = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'components')
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if os.path.exists(srcPath):
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for f in os.listdir(srcPath):
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name, ext = os.path.splitext(f)
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if name.startswith("__"):
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continue
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elif ext == '.py':
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yield name
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return [import_module('components.%s' % name) for name in findComponents()]
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def addComponent(self, moduleIndex):
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index = len(self.pages)
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self.window.listWidget_componentList.addItem(self.modules[moduleIndex].__doc__)
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self.selectedComponents.append(self.modules[moduleIndex].Component())
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self.pages.append(self.selectedComponents[-1].widget(self))
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self.window.listWidget_componentList.setCurrentRow(index)
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self.window.stackedWidget.addWidget(self.pages[-1])
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self.window.stackedWidget.setCurrentIndex(index)
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self.selectedComponents[-1].update()
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def removeComponent(self):
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for selected in self.window.listWidget_componentList.selectedItems():
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index = self.window.listWidget_componentList.row(selected)
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self.window.stackedWidget.removeWidget(self.pages[index])
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self.window.listWidget_componentList.takeItem(index)
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self.selectedComponents.pop(index)
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self.pages.pop(index)
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self.drawPreview()
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def changeComponentWidget(self):
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selected = self.window.listWidget_componentList.selectedItems()
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index = self.window.listWidget_componentList.row(selected[0])
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self.window.stackedWidget.setCurrentIndex(index)
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def moveComponentUp(self):
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row = self.window.listWidget_componentList.currentRow()
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if row > 0:
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module = self.selectedComponents[row]
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self.selectedComponents.pop(row)
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self.selectedComponents.insert(row - 1,module)
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page = self.pages[row]
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self.pages.pop(row)
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self.pages.insert(row - 1, page)
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item = self.window.listWidget_componentList.takeItem(row)
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self.window.listWidget_componentList.insertItem(row - 1, item)
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widget = self.window.stackedWidget.removeWidget(page)
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self.window.stackedWidget.insertWidget(row - 1, page)
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self.window.listWidget_componentList.setCurrentRow(row - 1)
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self.window.stackedWidget.setCurrentIndex(row -1)
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def moveComponentDown(self):
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row = self.window.listWidget_componentList.currentRow()
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if row < len(self.pages) + 1:
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module = self.selectedComponents[row]
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self.selectedComponents.pop(row)
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self.selectedComponents.insert(row + 1,module)
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page = self.pages[row]
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self.pages.pop(row)
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self.pages.insert(row + 1, page)
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item = self.window.listWidget_componentList.takeItem(row)
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self.window.listWidget_componentList.insertItem(row + 1, item)
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widget = self.window.stackedWidget.removeWidget(page)
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self.window.stackedWidget.insertWidget(row + 1, page)
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self.window.listWidget_componentList.setCurrentRow(row + 1)
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self.window.stackedWidget.setCurrentIndex(row + 1)
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def LoadDefaultSettings(self):
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self.resolutions = [
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'1920x1080',
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'1280x720',
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'854x480'
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]
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default = {
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"outputWidth": 1280,
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"outputHeight": 720,
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"outputFrameRate": 30,
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"outputAudioCodec": "aac",
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"outputAudioBitrate": "192k",
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"outputVideoCodec": "libx264",
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"outputVideoFormat": "yuv420p",
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"outputPreset": "medium",
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"outputFormat": "mp4",
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"visLayout": 0
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}
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for parm, value in default.items():
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if self.settings.value(parm) == None:
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self.settings.setValue(parm,value)
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''' ####### commandline functionality broken until we decide how to implement it
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if len(sys.argv) > 1:
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# command line mode
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app = QtGui.QApplication(sys.argv, False)
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command = Command()
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signal.signal(signal.SIGINT, command.cleanUp)
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sys.exit(app.exec_())
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else:
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'''
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# gui mode
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if __name__ == "__main__":
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app = QtGui.QApplication(sys.argv)
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window = uic.loadUi("mainwindow.ui")
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# window.adjustSize()
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desc = QtGui.QDesktopWidget()
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dpi = desc.physicalDpiX()
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topMargin = 0 if (dpi == 96) else int(10 * (dpi / 96))
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window.resize(window.width() * (dpi / 96), window.height() * (dpi / 96))
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window.verticalLayout_2.setContentsMargins(0, topMargin, 0, 0)
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main = Main(window)
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signal.signal(signal.SIGINT, main.cleanUp)
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atexit.register(main.cleanUp)
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sys.exit(app.exec_())
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