# -*- coding: utf-8 -*- # vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4 ############################################################################### # OpenLP - Open Source Lyrics Projection # # --------------------------------------------------------------------------- # # Copyright (c) 2008-2011 Raoul Snyman # # Portions copyright (c) 2008-2011 Tim Bentley, Gerald Britton, Jonathan # # Corwin, Michael Gorven, Scott Guerrieri, Matthias Hub, Meinert Jordan, # # Armin Köhler, Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias # # Põldaru, Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, # # Maikel Stuivenberg, Martin Thompson, Jon Tibble, Frode Woldsund # # --------------------------------------------------------------------------- # # 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; version 2 of the License. # # # # 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., 59 # # Temple Place, Suite 330, Boston, MA 02111-1307 USA # ############################################################################### from datetime import datetime from distutils.version import LooseVersion import logging import os import sys from PyQt4 import QtCore, QtGui from openlp.core.lib import Receiver, Settings from openlp.core.lib.mediaplayer import MediaPlayer from openlp.core.ui.media import MediaState log = logging.getLogger(__name__) VLC_AVAILABLE = False try: import vlc VLC_AVAILABLE = bool(vlc.get_default_instance()) except (ImportError, NameError): pass except OSError, e: if sys.platform.startswith('win'): if not isinstance(e, WindowsError) and e.winerror != 126: raise else: raise if VLC_AVAILABLE: try: version = vlc.libvlc_get_version() except: version = u'0.0.0' if LooseVersion(version) < LooseVersion('1.1.0'): VLC_AVAILABLE = False log.debug(u'VLC could not be loaded: %s' % version) AUDIO_EXT = [ u'*.mp3' , u'*.wav' , u'*.ogg' ] VIDEO_EXT = [ u'*.3gp' , u'*.asf', u'*.wmv' , u'*.au' , u'*.avi' , u'*.flv' , u'*.mov' , u'*.mp4' , u'*.ogm' , u'*.mkv', u'*.mka' , u'*.ts', u'*.mpg' , u'*.mpg', u'*.mp2' , u'*.nsc' , u'*.nsv' , u'*.nut' , u'*.ra', u'*.ram', u'*.rm', u'*.rv' ,u'*.rmbv' , u'*.a52', u'*.dts', u'*.aac', u'*.flac' ,u'*.dv', u'*.vid' , u'*.tta', u'*.tac' , u'*.ty' , u'*.dts' , u'*.xa' , u'*.iso' , u'*.vob' ] class VlcPlayer(MediaPlayer): """ A specialised version of the MediaPlayer class, which provides a VLC display. """ def __init__(self, parent): MediaPlayer.__init__(self, parent, u'vlc') self.original_name = u'VLC' self.display_name = u'&VLC' self.parent = parent self.canFolder = True self.audio_extensions_list = AUDIO_EXT self.video_extensions_list = VIDEO_EXT def setup(self, display): display.vlcWidget = QtGui.QFrame(display) # creating a basic vlc instance command_line_options = u'--no-video-title-show' if not display.hasAudio: command_line_options += u' --no-audio --no-video-title-show' if Settings().value(u'advanced/hide mouse', False) and \ display.controller.isLive: command_line_options += u' --mouse-hide-timeout=0' display.vlcInstance = vlc.Instance(command_line_options) display.vlcInstance.set_log_verbosity(2) # creating an empty vlc media player display.vlcMediaPlayer = display.vlcInstance.media_player_new() display.vlcWidget.resize(display.size()) display.vlcWidget.raise_() display.vlcWidget.hide() # the media player has to be 'connected' to the QFrame # (otherwise a video would be displayed in it's own window) # this is platform specific! # you have to give the id of the QFrame (or similar object) to # vlc, different platforms have different functions for this if sys.platform == "win32": # for Windows display.vlcMediaPlayer.set_hwnd(int(display.vlcWidget.winId())) elif sys.platform == "darwin": # for MacOS display.vlcMediaPlayer.set_agl(int(display.vlcWidget.winId())) else: # for Linux using the X Server display.vlcMediaPlayer.set_xwindow(int(display.vlcWidget.winId())) self.hasOwnWidget = True def check_available(self): return VLC_AVAILABLE def load(self, display): log.debug(u'load vid in Vlc Controller') controller = display.controller volume = controller.media_info.volume file_path = str( controller.media_info.file_info.absoluteFilePath().toUtf8()) path = os.path.normcase(file_path) # create the media display.vlcMedia = display.vlcInstance.media_new_path(path) # put the media in the media player display.vlcMediaPlayer.set_media(display.vlcMedia) # parse the metadata of the file display.vlcMedia.parse() self.volume(display, volume) return True def media_state_wait(self, display, mediaState): """ Wait for the video to change its state Wait no longer than 60 seconds. (loading an iso file needs a long time) """ start = datetime.now() while not mediaState == display.vlcMedia.get_state(): if display.vlcMedia.get_state() == vlc.State.Error: return False Receiver.send_message(u'openlp_process_events') if (datetime.now() - start).seconds > 60: return False return True def resize(self, display): display.vlcWidget.resize(display.size()) def play(self, display): controller = display.controller start_time = 0 if controller.media_info.start_time > 0: start_time = controller.media_info.start_time display.vlcMediaPlayer.play() if self.media_state_wait(display, vlc.State.Playing): if start_time > 0: self.seek(display, controller.media_info.start_time * 1000) controller.media_info.length = \ int(display.vlcMediaPlayer.get_media().get_duration() / 1000) controller.seekSlider.setMaximum(controller.media_info.length * 1000) self.state = MediaState.Playing display.vlcWidget.raise_() return True else: return False def pause(self, display): if display.vlcMedia.get_state() != vlc.State.Playing: return display.vlcMediaPlayer.pause() if self.media_state_wait(display, vlc.State.Paused): self.state = MediaState.Paused def stop(self, display): display.vlcMediaPlayer.stop() self.state = MediaState.Stopped def volume(self, display, vol): if display.hasAudio: display.vlcMediaPlayer.audio_set_volume(vol) def seek(self, display, seekVal): if display.vlcMediaPlayer.is_seekable(): display.vlcMediaPlayer.set_time(seekVal) def reset(self, display): display.vlcMediaPlayer.stop() display.vlcWidget.setVisible(False) self.state = MediaState.Off def set_visible(self, display, status): if self.hasOwnWidget: display.vlcWidget.setVisible(status) def update_ui(self, display): if display.vlcMedia.get_state() == vlc.State.Ended: self.stop(display) controller = display.controller if controller.media_info.end_time > 0: if display.vlcMediaPlayer.get_time() > \ controller.media_info.end_time * 1000: self.stop(display) self.set_visible(display, False) if not controller.seekSlider.isSliderDown(): controller.seekSlider.setSliderPosition( \ display.vlcMediaPlayer.get_time())