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main.py
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main.py
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import sys
import os
from PySide.QtCore import *
from PySide.QtGui import *
from convert import ConvTask, ConvTaskModel, ConvTaskDelegate, ConvTaskTableView
from preset import PresetLibrary,Preset
from config import GlobalConfig
class SettingDialog(QDialog):
def __init__(self,parent=None):
super(SettingDialog, self).__init__(parent)
mainLayout = QGridLayout()
ffmpegLabel = QLabel("ffmpeg或avconv工具路径")
self.ffmpegEdit = QLineEdit("")
ffmpegEditBtn = QPushButton("...")
outputDirLabel = QLabel("默认输出文件夹路径")
self.oDirEdit = QLineEdit("")
oDirEditBtn = QPushButton("...")
mainLayout.addWidget(ffmpegLabel, 0, 0)
mainLayout.addWidget(self.ffmpegEdit, 1, 0)
mainLayout.addWidget(ffmpegEditBtn, 1, 1)
mainLayout.addWidget(outputDirLabel, 2, 0)
mainLayout.addWidget(self.oDirEdit, 3, 0)
mainLayout.addWidget(oDirEditBtn, 3, 1)
self.setLayout(mainLayout)
self.setWindowTitle("设置")
ffmpegEditBtn.clicked.connect(self.findFFmpeg)
oDirEditBtn.clicked.connect(self.oDir)
self.loadFromConfig()
def loadFromConfig(self):
self.oDirEdit.setText(GlobalConfig.instance().outputDir)
self.ffmpegEdit.setText(GlobalConfig.instance().binPath)
def findFFmpeg(self):
fname = QFileDialog.getOpenFileName(self, "选择目录",
QDir.currentPath())
if fname[0]:
path = fname[0]
self.ffmpegEdit.setText(path)
GlobalConfig.instance().binPath = path
GlobalConfig.instance().save()
def oDir(self):
directory = QFileDialog.getExistingDirectory(self, "选择目录",
QDir.currentPath())
if directory:
self.oDirEdit.setText(directory)
GlobalConfig.instance().outputDir = directory
GlobalConfig.instance().save()
class GeneralSettingWidget(QWidget):
def __init__(self, parent=None):
super(GeneralSettingWidget, self).__init__(parent)
self.presetLibrary = PresetLibrary()
mainLayout = QGridLayout()
presetLabel = QLabel()
presetLabel.setText("Preset:")
self.presetComboBox = QComboBox()
self.presetComboBox.addItems(self.presetLibrary.getPresets())
self.presetComboBox.currentIndexChanged.connect(self.changePreset)
fNameLabel = QLabel(self)
fNameLabel.setText("输出文件名:")
fnameEditComboWidget = QWidget(self)
fnameEditlayout = QVBoxLayout()
fnameEditComboWidget.setLayout(fnameEditlayout)
self.fnameEdit = QLineEdit(self)
# self.startConvertBtn = QToolButton(self)
# self.startConvertBtn.setText("开始转码")
fnameEditlayout.addWidget(fNameLabel)
fnameEditlayout.addWidget(self.fnameEdit)
# fnameEditlayout.addWidget(self.startConvertBtn)
dirLabel = QLabel(self)
dirLabel.setText("输出文件夹:")
dirEditComboWidget = QWidget(self)
dirEditLayout = QHBoxLayout()
dirEditComboWidget.setLayout(dirEditLayout)
self.dirEdit = QLineEdit(self)
dirEditBtn = QToolButton(self)
dirEditBtn.setText("...")
dirEditBtn.clicked.connect(self.openDir)
dirEditLayout.addWidget(self.dirEdit)
dirEditLayout.addWidget(dirEditBtn)
mainLayout.addWidget(presetLabel, 0, 0)
mainLayout.addWidget(self.presetComboBox, 1, 0)
mainLayout.addWidget(fNameLabel, 2, 0)
mainLayout.addWidget(fnameEditComboWidget, 3, 0)
mainLayout.addWidget(dirLabel, 4, 0)
mainLayout.addWidget(dirEditComboWidget, 5, 0)
self.setLayout(mainLayout)
self.setDisabled(True)
# self.startConvertBtn.clicked.connect(self.startConvert)
def changePreset(self, index):
if not self.task:
print("task not intialized")
else:
preset_name = self.presetComboBox.itemText(index)
self.task.setPreset(self.presetLibrary.loadPreset(preset_name))
def setTask(self, task):
self.setDisabled(False)
self.task = task
self.changePreset(self.presetComboBox.currentIndex())
self.fnameEdit.setText(task.outputFile)
self.dirEdit.setText(task.outputDir)
def saveParameters(self):
oFileFullName = self.fnameEdit.text() + "." + self.task.preset.ext
# check file if exists
outputDir = self.dirEdit.text()
outputPath = os.path.join(outputDir, oFileFullName)
if os.path.exists(outputPath):
QMessageBox.critical(self, "Error",
"通用设置:存在同名文件,请重命名")
return False
self.task.outputFile = self.fnameEdit.text()
self.task.outputDir = outputDir
return True
def openDir(self):
directory = QFileDialog.getExistingDirectory(self, "选择目录",
QDir.currentPath())
if directory:
self.dirEdit.setText(directory)
class VideoSettingWidget(QWidget):
def __init__(self, parent=None):
super(VideoSettingWidget, self).__init__(parent)
gridLayout = QGridLayout()
resolutionLabel = QLabel()
resolutionLabel.setText("视频分辨率")
gridLayout.addWidget(resolutionLabel, 0, 0)
resolutionWidget = QWidget()
resolutionLayout = QHBoxLayout()
resolutionWidget.setLayout(resolutionLayout)
self.widthEdit = QLineEdit()
self.widthEdit.setFixedSize(60,30)
multiLabel = QLabel("X")
multiLabel.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
multiLabel.setFixedWidth(30)
self.heightEdit = QLineEdit()
self.heightEdit.setFixedSize(60, 30)
resolutionLayout.addWidget(self.widthEdit)
resolutionLayout.addWidget(multiLabel)
resolutionLayout.addWidget(self.heightEdit)
resolutionLayout.setAlignment(self.heightEdit, Qt.AlignLeft)
gridLayout.addWidget(resolutionWidget, 0, 1)
self.setLayout(gridLayout)
def setTask(self, task):
self.task = task
def saveParameters(self):
width = self.widthEdit.text().strip()
height = self.heightEdit.text().strip()
if width == "" and height == "":
return True
try:
int_width = int(width)
int_height = int(height)
print(int_width)
if int_width<0 or int_height < 0:
raise Exception()
except:
QMessageBox.critical(self, "Error", "视频参数设置,输入正确的视频分辨率")
return False
self.task.preset.video_width = width
self.task.preset.video_height = height
return True
class AudioSettingWidget(QWidget):
def __init__(self, parent=None):
super(AudioSettingWidget, self).__init__(parent)
class Window(QMainWindow):
addNewTask = Signal()
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
self.resize(640,480)
self.task = None
self.settingDialog = None
# create actions
newAction = QAction(self)
newAction.setText("添加文件")
newAction.setIcon(QIcon('./images/new.png'))
newAction.triggered.connect(self.addMediaFile)
# removeAction = QAction(self)
# removeAction.setText("删除文件")
# removeAction.setIcon(QIcon('./images/remove.png'))
convertAction = QAction(self)
convertAction.setText("开始转码")
convertAction.setIcon(QIcon('./images/convert.png'))
settingAction = QAction(self)
settingAction.setText("设置")
aboutAction = QAction(self)
aboutAction.setText("关于")
# Begin MenuBar
self.menuBar = QMenuBar(self)
self.menuBar.setObjectName("menuBar")
# self.menuBar.setGeometry(QtCore.QRect(0, 0, 400, 20))
self.menuFile = QMenu(self.menuBar)
self.menuFile.setTitle("文件")
self.setMenuBar(self.menuBar)
# self.actionAdd_Media = QAction(self)
# self.actionAdd_Media.setText("Add Media")
self.menuFile.addAction(newAction)
# self.menuFile.addAction(removeAction)
self.menuFile.addAction(convertAction)
self.menuBar.addAction(self.menuFile.menuAction())
menuEdit = QMenu(self.menuBar)
menuEdit.setTitle("编辑")
menuEdit.addAction(settingAction)
self.menuBar.addAction(menuEdit.menuAction())
# menuOption = QMenu(self.menuBar)
# menuOption.setTitle("选项")
# self.menuBar.addAction(menuOption.menuAction())
menuHelp = QMenu(self.menuBar)
menuHelp.setTitle("帮助")
menuHelp.addAction(aboutAction)
self.menuBar.addAction(menuHelp.menuAction())
# End MenuBar
# Start toolbar
mainToolBar = QToolBar(self)
mainToolBar.setObjectName("mainToolBar")
self.addToolBar(mainToolBar)
mainToolBar.addAction(newAction)
# mainToolBar.addAction(removeAction)
mainToolBar.addAction(convertAction)
# End toolbar
# splitter
self.mainSplitter = QSplitter(Qt.Vertical)
self.setCentralWidget(self.mainSplitter)
self.mainSplitter.setStretchFactor(0, 3)
self.mainSplitter.setStretchFactor(1, 1)
# timely update progress rate
# use add file to add task
self.convTaskModel = ConvTaskModel()
# for test use
# convTask = ConvTask("/home/ss/Test1.mp4")
# self.convTaskModel.addTask(convTask)
self.taskTableView = ConvTaskTableView()
self.taskTableView.setModel(self.convTaskModel)
self.taskTableView.setItemDelegate(ConvTaskDelegate(self))
self.taskTableView.setColumnWidth(0, 400)
# self.taskListWidget = QWidget()
# self.mainSplitter.addWidget(self.taskListWidget)
self.mainSplitter.addWidget(self.taskTableView)
self.mainTabWidget = QTabWidget()
self.mainSplitter.addWidget(self.mainTabWidget)
# Begin info tabWidget
self.generalSettingWidget = GeneralSettingWidget(self)
self.mainTabWidget.addTab(self.generalSettingWidget, "通用设置")
# End info tabWidget
# Begin tab2Widget
self.vSettingWidget = VideoSettingWidget()
self.mainTabWidget.addTab(self.vSettingWidget, "视频参数设置")
# End tab2Widget
# self.aSettingWidget = AudioSettingWidget()
# self.mainTabWidget.addTab(self.aSettingWidget, "音频参数设置")
#
# self.tab_4 = QWidget()
# self.mainTabWidget.addTab(self.tab_4, "转码命令行")
self.statusBar = QStatusBar(self)
self.statusBar.setObjectName("statusBar")
self.setStatusBar(self.statusBar)
self.timer = QTimer()
self.timer.timeout.connect(self.refreshProgress)
self.timer.start(1500)
self.taskTableView.clickOnRow.connect(self.clickOnRow)
self.taskTableView.deleteTaskSig.connect(self.deleteTask)
convertAction.triggered.connect(self.startConvert)
aboutAction.triggered.connect(self.about)
#self.convTaskModel.tasks[0].startTask()
settingAction.triggered.connect(self.setting)
@Slot()
def setting(self):
if not self.settingDialog:
self.settingDialog = SettingDialog()
self.settingDialog.show()
self.settingDialog.raise_()
self.settingDialog.activateWindow()
@Slot()
def about(self):
QMessageBox.about(self, self.tr("About"), "本软件基于ffmpeg或libav, 目标是提供一个简易的图形界面视频转码器\n 作者:疏爽")
@Slot()
def deleteTask(self):
self.generalSettingWidget.setDisabled(True)
@Slot()
def clickOnRow(self, row):
task = self.convTaskModel.tasks[row]
self.task = task
self.generalSettingWidget.setTask(self.convTaskModel.tasks[row])
self.vSettingWidget.setTask(task)
@Slot()
def startConvert(self):
if self.generalSettingWidget.saveParameters():
if self.vSettingWidget.saveParameters():
self.task.startTask()
@Slot()
def addMediaFile(self):
filename = QFileDialog.getOpenFileName(self, "Find File", QDir.currentPath())
print(filename[0])
if filename[0]:
convTask = ConvTask(filename[0])
self.convTaskModel.addTask(convTask)
self.convTaskModel.layoutChanged.emit()
@Slot()
def refreshProgress(self):
for task in self.convTaskModel.tasks:
if(task.status == ConvTask.RUN):
task.updateProgress()
self.taskTableView.reset()
if __name__ == '__main__':
app = QApplication(sys.argv)
window = Window()
window.setWindowTitle("简易视频转码器")
window.show()
sys.exit(app.exec_())