Python “libvlc”;VLC无法打开MRL';C:\Users\Public\Videos\Sample Videos\widlife.mwv'&引用;
我正在编写一个pysidepython应用程序,它与VLC接口。在Ubuntu上运行很好,但当我转到Windows时,我甚至无法让VLC打开视频文件 我将VideoLAN PyQt示例()裁剪为一个窗口和视频播放器,试图找出哪里出了问题,但仍然得到了这个错误。即使在使用“打开文件”对话框返回时,我仍然会遇到相同的错误 下面是VideoLAN示例的精简版本:Python “libvlc”;VLC无法打开MRL';C:\Users\Public\Videos\Sample Videos\widlife.mwv'&引用;,python,vlc,pyside,libvlc,Python,Vlc,Pyside,Libvlc,我正在编写一个pysidepython应用程序,它与VLC接口。在Ubuntu上运行很好,但当我转到Windows时,我甚至无法让VLC打开视频文件 我将VideoLAN PyQt示例()裁剪为一个窗口和视频播放器,试图找出哪里出了问题,但仍然得到了这个错误。即使在使用“打开文件”对话框返回时,我仍然会遇到相同的错误 下面是VideoLAN示例的精简版本: import sys import vlc import user from ctypes import pythonapi, c_void
import sys
import vlc
import user
from ctypes import pythonapi, c_void_p, py_object
from PySide import QtGui, QtCore
class Player(QtGui.QMainWindow):
def __init__(self, master = None):
QtGui.QMainWindow.__init__(self, master)
self.setWindowTitle('Media Player')
self.instance = vlc.Instance()
self.mediaplayer = self.instance.media_player_new()
self.createUI()
def createUI(self):
self.widget = QtGui.QWidget(self)
self.setCentralWidget(self.widget)
self.videoframe = QtGui.QFrame()
self.palette = self.videoframe.palette()
self.palette.setColor(QtGui.QPalette.Window,
QtGui.QColor(0, 0, 0))
self.videoframe.setPalette(self.palette)
self.videoframe.setAutoFillBackground(True)
self.vboxlayout = QtGui.QVBoxLayout()
self.vboxlayout.addWidget(self.videoframe)
self.widget.setLayout(self.vboxlayout)
self.OpenFile()
def OpenFile(self, filename = None):
if filename is None:
filename = QtGui.QFileDialog.getOpenFileName(self, 'Open File', user.home)
filename = filename[0]
if not filename:
return
print filename
self.media = self.instance.media_new(unicode(filename))
self.mediaplayer.set_media(self.media)
self.media.parse()
self.setWindowTitle(self.media.get_meta(0))
if sys.platform == 'linux2':
self.mediaplayer.set_xwindow(self.videoframe.winId())
elif sys.platform == 'win32':
pythonapi.PyCObject_AsVoidPtr.restype = c_void_p
pythonapi.PyCObject_AsVoidPtr.argtypes = [py_object]
hWnd = pythonapi.PyCObject_AsVoidPtr(self.videoframe.winId())
self.mediaplayer.set_hwnd(hWnd)
elif sys.platform == 'darwin':
self.mediaplayer.set_agl(self.videoframe.windId())
self.mediaplayer.play()
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
player = Player()
player.show()
player.resize(640, 480)
sys.exit(app.exec_())
如果要打开文件(而不是流或其他源),libVLC要求您以“file:///”启动文件路径。在windows上使用python中的文件路径时,还需要使用\来转义\(a la \')
因此,用于调用文件的字符串应如下所示:
'file:///C:\用户\公共\视频\示例视频\野生动物.mwv'
另一个注意事项:如果可以,最好在文件路径(即“示例视频”)中留出任何空格