vlc/python | branch: master | Olivier Aubert <[email protected]> | Tue Dec 7 11:08:22 2010 +0100| [d869e26b5764a01f7b5406c04e6267cd39c81525] | committer: Olivier Aubert
python-vlc: WX-based example Contribution of Michele Orr'u for the Google Code-In > http://git.videolan.org/gitweb.cgi/vlc/python.git/?a=commit;h=d869e26b5764a01f7b5406c04e6267cd39c81525 --- examples/wxvlc.py | 225 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 225 insertions(+), 0 deletions(-) diff --git a/examples/wxvlc.py b/examples/wxvlc.py new file mode 100755 index 0000000..9a29031 --- /dev/null +++ b/examples/wxvlc.py @@ -0,0 +1,225 @@ +#! /usr/bin/python +# -*- coding: utf-8 -*- + +# +# WX example for VLC Python bindings +# Copyright (C) 2009-2010 the VideoLAN team +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. +# +""" +A simple example for VLC python bindings using wxPython. + +Author: Michele Orrù +Date: 23-11-2010 +""" + +# import external libraries +import wx # 2.8 +import vlc + +# import standard libraries +import os +import user + +class Player(wx.Frame): + """The main window has to deal with events. + """ + def __init__(self, title): + wx.Frame.__init__(self, None, -1, title, + pos=wx.DefaultPosition, size=(550, 500)) + + # Menu Bar + # File Menu + self.frame_menubar = wx.MenuBar() + self.file_menu = wx.Menu() + self.file_menu.Append(1, "&Open", "Open from file..") + self.file_menu.AppendSeparator() + self.file_menu.Append(2, "&Close", "Quit") + self.Bind(wx.EVT_MENU, self.OnOpen, id=1) + self.Bind(wx.EVT_MENU, self.OnExit, id=2) + self.frame_menubar.Append(self.file_menu, "File") + self.SetMenuBar(self.frame_menubar) + + # Panels + # The first panel holds the video and it's all black + self.videopanel = wx.Panel(self, -1) + self.videopanel.SetBackgroundColour(wx.BLACK) + + # The second panel holds controls + ctrlpanel = wx.Panel(self, -1 ) + self.timeslider = wx.Slider(ctrlpanel, -1, 0, 0, 1000) + self.timeslider.SetRange(0, 1000) + pause = wx.Button(ctrlpanel, label="Pause") + play = wx.Button(ctrlpanel, label="Play") + stop = wx.Button(ctrlpanel, label="Stop") + volume = wx.Button(ctrlpanel, label="Volume") + self.volslider = wx.Slider(ctrlpanel, -1, 0, 0, 100, size=(100, -1)) + + # Bind controls to events + self.Bind(wx.EVT_BUTTON, self.OnPlay, play) + self.Bind(wx.EVT_BUTTON, self.OnPause, pause) + self.Bind(wx.EVT_BUTTON, self.OnStop, stop) + self.Bind(wx.EVT_BUTTON, self.OnToggleVolume, volume) + self.Bind(wx.EVT_SLIDER, self.OnSetVolume, self.volslider) + + # Give a pretty layout to the controls + ctrlbox = wx.BoxSizer(wx.VERTICAL) + box1 = wx.BoxSizer(wx.HORIZONTAL) + box2 = wx.BoxSizer(wx.HORIZONTAL) + # box1 contains the timeslider + box1.Add(self.timeslider, 1) + # box2 contains some buttons and the volume controls + box2.Add(play, flag=wx.RIGHT, border=5) + box2.Add(pause) + box2.Add(stop) + box2.Add((-1, -1), 1) + box2.Add(volume) + box2.Add(self.volslider, flag=wx.TOP | wx.LEFT, border=5) + # Merge box1 and box2 to the ctrlsizer + ctrlbox.Add(box1, flag=wx.EXPAND | wx.BOTTOM, border=10) + ctrlbox.Add(box2, 1, wx.EXPAND) + ctrlpanel.SetSizer(ctrlbox) + # Put everything togheter + sizer = wx.BoxSizer(wx.VERTICAL) + sizer.Add(self.videopanel, 1, flag=wx.EXPAND) + sizer.Add(ctrlpanel, flag=wx.EXPAND | wx.BOTTOM | wx.TOP, border=10) + self.SetSizer(sizer) + self.SetMinSize((350, 300)) + + # finally create the timer, which updates the timeslider + self.timer = wx.Timer(self) + self.Bind(wx.EVT_TIMER, self.OnTimer, self.timer) + + # VLC player controls + self.Instance = vlc.Instance() + self.player = self.Instance.media_player_new() + + def OnExit(self, evt): + """Closes the window. + """ + self.Close() + + def OnOpen(self, evt): + """Pop up a new dialow window to choose a file, then play the selected file. + """ + # if a file is already running, then stop it. + self.OnStop(None) + + # Create a file dialog opened in the current home directory, where + # you can display all kind of files, having as title "Choose a file". + dlg = wx.FileDialog(self, "Choose a file", user.home, "", + "*.*", wx.OPEN) + if dlg.ShowModal() == wx.ID_OK: + dirname = dlg.GetDirectory() + filename = dlg.GetFilename() + # Creation + self.Media = self.Instance.media_new(unicode(os.path.join(dirname, filename))) + self.player.set_media(self.Media) + # Report the title of the file chosen + title = self.player.get_title() + # if an error was encountred while retriving the title, then use + # filename + if title == -1: + title = filename + self.SetTitle("%s - wxVLCplayer" % title) + + # set the window id where to render VLC's video output + self.player.set_xwindow(self.videopanel.GetHandle()) + # FIXME: this should be made cross-platform + self.OnPlay(None) + + # set the volume slider to the current volume + self.volslider.SetValue(self.player.audio_get_volume() / 2) + + # finally destroy the dialog + dlg.Destroy() + + def OnPlay(self, evt): + """Toggle the status to Play/Pause. + + If no file is loaded, open the dialog window. + """ + # check if there is a file to play, otherwise open a + # wx.FileDialog to select a file + if not self.player.get_media(): + self.OnOpen(None) + else: + # Try to launch the media, if this fails display an error message + if self.player.play() == -1: + self.errorDialog("Unable to play.") + else: + self.timer.Start() + + def OnPause(self, evt): + """Pause the player. + """ + self.player.pause() + + def OnStop(self, evt): + """Stop the player. + """ + self.player.stop() + # reset the time slider + self.timeslider.SetValue(0) + self.timer.Stop() + + def OnTimer(self, evt): + """Update the time slider according to the current movie time. + """ + # since the self.player.get_length can change while playing, + # re-set the timeslider to the correct range. + length = self.player.get_length() + self.timeslider.SetRange(-1, length) + + # update the time on the slider + time = self.player.get_time() + self.timeslider.SetValue(time) + + def OnToggleVolume(self, evt): + """Mute/Unmute according to the audio button. + """ + is_mute = self.player.audio_get_mute() + + self.player.audio_set_mute(not is_mute) + # update the volume slider; + # since vlc volume range is in [0, 200], + # and our volume slider has range [0, 100], just divide by 2. + self.volslider.SetValue(self.player.audio_get_volume() / 2) + + def OnSetVolume(self, evt): + """Set the volume according to the volume sider. + """ + volume = self.volslider.GetValue() * 2 + # vlc.MediaPlayer.audio_set_volume returns 0 if success, -1 otherwise + if self.player.audio_set_volume(volume) == -1: + self.errorDialog("Failed to set volume") + + def errorDialog(self, errormessage): + """Display a simple error dialog. + """ + edialog = wx.MessageDialog(self, errormessage, 'Error', wx.OK| + wx.ICON_ERROR) + edialog.ShowModal() + +if __name__ == "__main__": + # Create a wx.App(), which handles the windowing system event loop + app = wx.PySimpleApp() + # Create the window containing our small media player + player = Player("Simple PyVLC Player") + # show the player window centred and run the application + player.Centre() + player.Show() + app.MainLoop() _______________________________________________ vlc-commits mailing list [email protected] http://mailman.videolan.org/listinfo/vlc-commits
