forked from openlp/openlp
781 lines
36 KiB
Python
781 lines
36 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2014 Raoul Snyman #
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# Portions copyright (c) 2008-2014 Tim Bentley, Gerald Britton, Jonathan #
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# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub, #
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# Meinert Jordan, Armin Köhler, Erik Lundin, Edwin Lunando, Brian T. Meyer. #
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# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru, #
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# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
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# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock, #
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# Frode Woldsund, Martin Zibricky, Patrick Zimmermann #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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The :mod:`~openlp.core.ui.media.mediacontroller` module contains a base class for media components and other widgets
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related to playing media, such as sliders.
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"""
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import logging
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import os
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import datetime
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from PyQt4 import QtCore, QtGui
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from openlp.core.common import OpenLPMixin, Registry, RegistryMixin, RegistryProperties, Settings, UiStrings, translate
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from openlp.core.lib import OpenLPToolbar, ItemCapabilities
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from openlp.core.lib.ui import critical_error_message_box
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from openlp.core.ui.media import MediaState, MediaInfo, MediaType, get_media_players, set_media_players,\
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parse_optical_path
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from openlp.core.ui.media.mediaplayer import MediaPlayer
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from openlp.core.common import AppLocation
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from openlp.core.ui import DisplayControllerType
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log = logging.getLogger(__name__)
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class MediaSlider(QtGui.QSlider):
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"""
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Allows the mouse events of a slider to be overridden and extra functionality added
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"""
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def __init__(self, direction, manager, controller):
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"""
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Constructor
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"""
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super(MediaSlider, self).__init__(direction)
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self.manager = manager
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self.controller = controller
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def mouseMoveEvent(self, event):
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"""
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Override event to allow hover time to be displayed.
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"""
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time_value = QtGui.QStyle.sliderValueFromPosition(self.minimum(), self.maximum(), event.x(), self.width())
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self.setToolTip('%s' % datetime.timedelta(seconds=int(time_value / 1000)))
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QtGui.QSlider.mouseMoveEvent(self, event)
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def mousePressEvent(self, event):
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"""
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Mouse Press event no new functionality
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"""
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QtGui.QSlider.mousePressEvent(self, event)
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def mouseReleaseEvent(self, event):
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"""
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Set the slider position when the mouse is clicked and released on the slider.
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"""
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self.setValue(QtGui.QStyle.sliderValueFromPosition(self.minimum(), self.maximum(), event.x(), self.width()))
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QtGui.QSlider.mouseReleaseEvent(self, event)
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class MediaController(RegistryMixin, OpenLPMixin, RegistryProperties):
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"""
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The implementation of the Media Controller. The Media Controller adds an own class for every Player.
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Currently these are QtWebkit, Phonon and Vlc. display_controllers are an array of controllers keyed on the
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slidecontroller or plugin which built them.
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ControllerType is the class containing the key values.
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media_players are an array of media players keyed on player name.
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current_media_players is an array of player instances keyed on ControllerType.
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"""
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def __init__(self, parent=None):
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"""
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Constructor
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"""
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super(MediaController, self).__init__(parent)
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self.media_players = {}
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self.display_controllers = {}
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self.current_media_players = {}
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# Timer for video state
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self.timer = QtCore.QTimer()
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self.timer.setInterval(200)
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# Signals
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self.timer.timeout.connect(self.media_state)
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Registry().register_function('playbackPlay', self.media_play_msg)
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Registry().register_function('playbackPause', self.media_pause_msg)
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Registry().register_function('playbackStop', self.media_stop_msg)
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Registry().register_function('seek_slider', self.media_seek_msg)
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Registry().register_function('volume_slider', self.media_volume_msg)
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Registry().register_function('media_hide', self.media_hide)
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Registry().register_function('media_blank', self.media_blank)
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Registry().register_function('media_unblank', self.media_unblank)
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# Signals for background video
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Registry().register_function('songs_hide', self.media_hide)
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Registry().register_function('songs_unblank', self.media_unblank)
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Registry().register_function('mediaitem_media_rebuild', self._set_active_players)
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Registry().register_function('mediaitem_suffixes', self._generate_extensions_lists)
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def _set_active_players(self):
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"""
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Set the active players and available media files
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"""
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saved_players = get_media_players()[0]
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for player in list(self.media_players.keys()):
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self.media_players[player].is_active = player in saved_players
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def _generate_extensions_lists(self):
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"""
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Set the active players and available media files
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"""
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suffix_list = []
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self.audio_extensions_list = []
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for player in list(self.media_players.values()):
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if player.is_active:
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for item in player.audio_extensions_list:
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if item not in self.audio_extensions_list:
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self.audio_extensions_list.append(item)
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suffix_list.append(item[2:])
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self.video_extensions_list = []
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for player in list(self.media_players.values()):
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if player.is_active:
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for item in player.video_extensions_list:
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if item not in self.video_extensions_list:
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self.video_extensions_list.append(item)
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suffix_list.append(item[2:])
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self.service_manager.supported_suffixes(suffix_list)
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def register_players(self, player):
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"""
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Register each media Player (Webkit, Phonon, etc) and store
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for later use
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:param player: Individual player class which has been enabled
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"""
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self.media_players[player.name] = player
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def bootstrap_initialise(self):
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"""
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Check to see if we have any media Player's available.
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"""
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log.debug('_check_available_media_players')
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controller_dir = os.path.join(AppLocation.get_directory(AppLocation.AppDir), 'core', 'ui', 'media')
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for filename in os.listdir(controller_dir):
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if filename.endswith('player.py') and not filename == 'mediaplayer.py':
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path = os.path.join(controller_dir, filename)
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if os.path.isfile(path):
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module_name = 'openlp.core.ui.media.' + os.path.splitext(filename)[0]
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log.debug('Importing controller %s', module_name)
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try:
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__import__(module_name, globals(), locals(), [])
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# On some platforms importing vlc.py might cause
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# also OSError exceptions. (e.g. Mac OS X)
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except (ImportError, OSError):
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log.warning('Failed to import %s on path %s', module_name, path)
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player_classes = MediaPlayer.__subclasses__()
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for player_class in player_classes:
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player = player_class(self)
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self.register_players(player)
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if not self.media_players:
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return False
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saved_players, overridden_player = get_media_players()
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invalid_media_players = \
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[media_player for media_player in saved_players if media_player not in self.media_players or
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not self.media_players[media_player].check_available()]
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if invalid_media_players:
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for invalidPlayer in invalid_media_players:
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saved_players.remove(invalidPlayer)
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set_media_players(saved_players, overridden_player)
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self._set_active_players()
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self._generate_extensions_lists()
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return True
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def media_state(self):
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"""
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Check if there is a running media Player and do updating stuff (e.g. update the UI)
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"""
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if not list(self.current_media_players.keys()):
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self.timer.stop()
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else:
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any_active = False
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for source in list(self.current_media_players.keys()):
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display = self._define_display(self.display_controllers[source])
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self.current_media_players[source].resize(display)
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self.current_media_players[source].update_ui(display)
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if self.current_media_players[source].state == MediaState.Playing:
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any_active = True
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# There are still any active players - no need to stop timer.
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if any_active:
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return
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# no players are active anymore
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for source in list(self.current_media_players.keys()):
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if self.current_media_players[source].state != MediaState.Paused:
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display = self._define_display(self.display_controllers[source])
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display.controller.seek_slider.setSliderPosition(0)
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self.timer.stop()
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def get_media_display_css(self):
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"""
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Add css style sheets to htmlbuilder
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"""
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css = ''
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for player in list(self.media_players.values()):
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if player.is_active:
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css += player.get_media_display_css()
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return css
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def get_media_display_javascript(self):
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"""
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Add javascript functions to htmlbuilder
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"""
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js = ''
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for player in list(self.media_players.values()):
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if player.is_active:
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js += player.get_media_display_javascript()
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return js
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def get_media_display_html(self):
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"""
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Add html code to htmlbuilder
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"""
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html = ''
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for player in list(self.media_players.values()):
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if player.is_active:
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html += player.get_media_display_html()
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return html
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def register_controller(self, controller):
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"""
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Registers media controls where the players will be placed to run.
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:param controller: The controller where a player will be placed
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"""
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self.display_controllers[controller.controller_type] = controller
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self.setup_generic_controls(controller)
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def setup_generic_controls(self, controller):
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"""
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Set up controls on the control_panel for a given controller
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:param controller: First element is the controller which should be used
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"""
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controller.media_info = MediaInfo()
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# Build a Media ToolBar
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controller.mediabar = OpenLPToolbar(controller)
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controller.mediabar.add_toolbar_action('playbackPlay', text='media_playback_play',
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icon=':/slides/media_playback_start.png',
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tooltip=translate('OpenLP.SlideController', 'Start playing media.'),
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triggers=controller.send_to_plugins)
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controller.mediabar.add_toolbar_action('playbackPause', text='media_playback_pause',
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icon=':/slides/media_playback_pause.png',
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tooltip=translate('OpenLP.SlideController', 'Pause playing media.'),
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triggers=controller.send_to_plugins)
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controller.mediabar.add_toolbar_action('playbackStop', text='media_playback_stop',
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icon=':/slides/media_playback_stop.png',
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tooltip=translate('OpenLP.SlideController', 'Stop playing media.'),
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triggers=controller.send_to_plugins)
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# Build the seek_slider.
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controller.seek_slider = MediaSlider(QtCore.Qt.Horizontal, self, controller)
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controller.seek_slider.setMaximum(1000)
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controller.seek_slider.setTracking(True)
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controller.seek_slider.setMouseTracking(True)
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controller.seek_slider.setToolTip(translate('OpenLP.SlideController', 'Video position.'))
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controller.seek_slider.setGeometry(QtCore.QRect(90, 260, 221, 24))
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controller.seek_slider.setObjectName('seek_slider')
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controller.mediabar.add_toolbar_widget(controller.seek_slider)
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# Build the volume_slider.
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controller.volume_slider = QtGui.QSlider(QtCore.Qt.Horizontal)
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controller.volume_slider.setTickInterval(10)
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controller.volume_slider.setTickPosition(QtGui.QSlider.TicksAbove)
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controller.volume_slider.setMinimum(0)
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controller.volume_slider.setMaximum(100)
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controller.volume_slider.setTracking(True)
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controller.volume_slider.setToolTip(translate('OpenLP.SlideController', 'Audio Volume.'))
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controller.volume_slider.setValue(controller.media_info.volume)
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controller.volume_slider.setGeometry(QtCore.QRect(90, 160, 221, 24))
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controller.volume_slider.setObjectName('volume_slider')
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controller.mediabar.add_toolbar_widget(controller.volume_slider)
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controller.controller_layout.addWidget(controller.mediabar)
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controller.mediabar.setVisible(False)
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# Signals
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controller.seek_slider.valueChanged.connect(controller.send_to_plugins)
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controller.volume_slider.valueChanged.connect(controller.send_to_plugins)
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def setup_display(self, display, preview):
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"""
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After a new display is configured, all media related widgets will be created too
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:param display: Display on which the output is to be played
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:param preview: Whether the display is a main or preview display
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"""
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# clean up possible running old media files
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self.finalise()
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# update player status
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self._set_active_players()
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display.has_audio = True
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if display.is_live and preview:
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return
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if preview:
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display.has_audio = False
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for player in list(self.media_players.values()):
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if player.is_active:
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player.setup(display)
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def set_controls_visible(self, controller, value):
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"""
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After a new display is configured, all media related widget will be created too
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:param controller: The controller on which controls act.
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:param value: control name to be changed.
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"""
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# Generic controls
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controller.mediabar.setVisible(value)
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if controller.is_live and controller.display:
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if self.current_media_players and value:
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if self.current_media_players[controller.controller_type] != self.media_players['webkit']:
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controller.display.set_transparency(False)
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def resize(self, display, player):
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"""
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After Mainwindow changes or Splitter moved all related media widgets have to be resized
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:param display: The display on which output is playing.
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:param player: The player which is doing the playing.
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"""
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player.resize(display)
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def video(self, source, service_item, hidden=False, video_behind_text=False):
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"""
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Loads and starts a video to run with the option of sound
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:param source: Where the call originated form
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:param service_item: The player which is doing the playing
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:param hidden: The player which is doing the playing
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:param video_behind_text: Is the video to be played behind text.
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"""
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log.debug('video')
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is_valid = False
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controller = self.display_controllers[source]
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# stop running videos
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self.media_reset(controller)
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controller.media_info = MediaInfo()
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controller.media_info.volume = controller.volume_slider.value()
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controller.media_info.is_background = video_behind_text
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controller.media_info.file_info = QtCore.QFileInfo(service_item.get_frame_path())
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display = self._define_display(controller)
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if controller.is_live:
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# if this is an optical device use special handling
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if service_item.is_capable(ItemCapabilities.IsOptical):
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log.debug('video is optical and live')
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path = service_item.get_frame_path()
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(name, title, audio_track, subtitle_track, start, end, clip_name) = parse_optical_path(path)
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is_valid = self.media_setup_optical(name, title, audio_track, subtitle_track, start, end, display,
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controller)
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else:
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log.debug('video is not optical and live')
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is_valid = self._check_file_type(controller, display, service_item)
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display.override['theme'] = ''
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display.override['video'] = True
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if controller.media_info.is_background:
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# ignore start/end time
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controller.media_info.start_time = 0
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controller.media_info.end_time = 0
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else:
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controller.media_info.start_time = service_item.start_time
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controller.media_info.end_time = service_item.end_time
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elif controller.preview_display:
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if service_item.is_capable(ItemCapabilities.IsOptical):
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log.debug('video is optical and preview')
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path = service_item.get_frame_path()
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(name, title, audio_track, subtitle_track, start, end, clip_name) = parse_optical_path(path)
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is_valid = self.media_setup_optical(name, title, audio_track, subtitle_track, start, end, display,
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controller)
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else:
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log.debug('video is not optical and preview')
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is_valid = self._check_file_type(controller, display, service_item)
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if not is_valid:
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# Media could not be loaded correctly
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critical_error_message_box(translate('MediaPlugin.MediaItem', 'Unsupported File'),
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translate('MediaPlugin.MediaItem', 'Unsupported File'))
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return False
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log.debug('video mediatype: ' + str(controller.media_info.media_type))
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# dont care about actual theme, set a black background
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if controller.is_live and not controller.media_info.is_background:
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display.frame.evaluateJavaScript('show_video( "setBackBoard", null, null, null,"visible");')
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# now start playing - Preview is autoplay!
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autoplay = False
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# Preview requested
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if not controller.is_live:
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autoplay = True
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# Visible or background requested or Service Item wants to autostart
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elif not hidden or controller.media_info.is_background or service_item.will_auto_start:
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autoplay = True
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# Unblank on load set
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elif Settings().value('core/auto unblank'):
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autoplay = True
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if autoplay:
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if not self.media_play(controller):
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critical_error_message_box(translate('MediaPlugin.MediaItem', 'Unsupported File'),
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translate('MediaPlugin.MediaItem', 'Unsupported File'))
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return False
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self.set_controls_visible(controller, True)
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log.debug('use %s controller' % self.current_media_players[controller.controller_type])
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return True
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def media_length(self, service_item):
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"""
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Loads and starts a media item to obtain the media length
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:param service_item: The ServiceItem containing the details to be played.
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"""
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controller = self.display_controllers[DisplayControllerType.Plugin]
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log.debug('media_length')
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# stop running videos
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self.media_reset(controller)
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controller.media_info = MediaInfo()
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controller.media_info.volume = 0
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controller.media_info.file_info = QtCore.QFileInfo(service_item.get_frame_path())
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display = controller.preview_display
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if not self._check_file_type(controller, display, service_item):
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# Media could not be loaded correctly
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critical_error_message_box(translate('MediaPlugin.MediaItem', 'Unsupported File'),
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translate('MediaPlugin.MediaItem', 'Unsupported File'))
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return False
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if not self.media_play(controller):
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critical_error_message_box(translate('MediaPlugin.MediaItem', 'Unsupported File'),
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translate('MediaPlugin.MediaItem', 'Unsupported File'))
|
|
return False
|
|
service_item.set_media_length(controller.media_info.length)
|
|
self.media_stop(controller)
|
|
log.debug('use %s controller' % self.current_media_players[controller.controller_type])
|
|
return True
|
|
|
|
def media_setup_optical(self, filename, title, audio_track, subtitle_track, start, end, display, controller):
|
|
"""
|
|
Setup playback of optical media
|
|
|
|
:param filename: Path of the optical device/drive.
|
|
:param title: The main/title track to play.
|
|
:param audio_track: The audio track to play.
|
|
:param subtitle_track: The subtitle track to play.
|
|
:param start: Start position in miliseconds.
|
|
:param end: End position in miliseconds.
|
|
:param display: The display to play the media.
|
|
:param controller: The media contraoller.
|
|
:return: True if setup succeded else False.
|
|
"""
|
|
log.debug('media_setup_optical')
|
|
if controller is None:
|
|
controller = self.display_controllers[DisplayControllerType.Plugin]
|
|
# stop running videos
|
|
self.media_reset(controller)
|
|
# Setup media info
|
|
controller.media_info = MediaInfo()
|
|
controller.media_info.file_info = QtCore.QFileInfo(filename)
|
|
if audio_track == -1 and subtitle_track == -1:
|
|
controller.media_info.media_type = MediaType.CD
|
|
else:
|
|
controller.media_info.media_type = MediaType.DVD
|
|
controller.media_info.start_time = start/1000
|
|
controller.media_info.end_time = end/1000
|
|
controller.media_info.length = (end - start)/1000
|
|
controller.media_info.title_track = title
|
|
controller.media_info.audio_track = audio_track
|
|
controller.media_info.subtitle_track = subtitle_track
|
|
# When called from mediaitem display is None
|
|
if display is None:
|
|
display = controller.preview_display
|
|
# Find vlc player
|
|
used_players = get_media_players()[0]
|
|
vlc_player = None
|
|
for title in used_players:
|
|
player = self.media_players[title]
|
|
if player.name == 'vlc':
|
|
vlc_player = player
|
|
if vlc_player is None:
|
|
critical_error_message_box(translate('MediaPlugin.MediaItem', 'VLC player required'),
|
|
translate('MediaPlugin.MediaItem',
|
|
'VLC player required for playback of optical devices'))
|
|
return False
|
|
vlc_player.load(display)
|
|
self.resize(display, vlc_player)
|
|
self.current_media_players[controller.controller_type] = vlc_player
|
|
if audio_track == -1 and subtitle_track == -1:
|
|
controller.media_info.media_type = MediaType.CD
|
|
else:
|
|
controller.media_info.media_type = MediaType.DVD
|
|
return True
|
|
|
|
def _check_file_type(self, controller, display, service_item):
|
|
"""
|
|
Select the correct media Player type from the prioritized Player list
|
|
|
|
:param controller: First element is the controller which should be used
|
|
:param display: Which display to use
|
|
:param service_item: The ServiceItem containing the details to be played.
|
|
"""
|
|
used_players = get_media_players()[0]
|
|
if service_item.processor != UiStrings().Automatic:
|
|
used_players = [service_item.processor.lower()]
|
|
if controller.media_info.file_info.isFile():
|
|
suffix = '*.%s' % controller.media_info.file_info.suffix().lower()
|
|
for title in used_players:
|
|
player = self.media_players[title]
|
|
if suffix in player.video_extensions_list:
|
|
if not controller.media_info.is_background or controller.media_info.is_background and \
|
|
player.can_background:
|
|
self.resize(display, player)
|
|
if player.load(display):
|
|
self.current_media_players[controller.controller_type] = player
|
|
controller.media_info.media_type = MediaType.Video
|
|
return True
|
|
if suffix in player.audio_extensions_list:
|
|
if player.load(display):
|
|
self.current_media_players[controller.controller_type] = player
|
|
controller.media_info.media_type = MediaType.Audio
|
|
return True
|
|
else:
|
|
for title in used_players:
|
|
player = self.media_players[title]
|
|
if player.can_folder:
|
|
self.resize(display, player)
|
|
if player.load(display):
|
|
self.current_media_players[controller.controller_type] = player
|
|
controller.media_info.media_type = MediaType.Video
|
|
return True
|
|
# no valid player found
|
|
return False
|
|
|
|
def media_play_msg(self, msg, status=True):
|
|
"""
|
|
Responds to the request to play a loaded video
|
|
|
|
:param msg: First element is the controller which should be used
|
|
:param status:
|
|
"""
|
|
log.debug('media_play_msg')
|
|
self.media_play(msg[0], status)
|
|
|
|
def media_play(self, controller, status=True):
|
|
"""
|
|
Responds to the request to play a loaded video
|
|
|
|
:param controller: The controller to be played
|
|
:param status:
|
|
"""
|
|
log.debug('media_play')
|
|
controller.seek_slider.blockSignals(True)
|
|
controller.volume_slider.blockSignals(True)
|
|
display = self._define_display(controller)
|
|
if not self.current_media_players[controller.controller_type].play(display):
|
|
controller.seek_slider.blockSignals(False)
|
|
controller.volume_slider.blockSignals(False)
|
|
return False
|
|
if controller.media_info.is_background:
|
|
self.media_volume(controller, 0)
|
|
else:
|
|
self.media_volume(controller, controller.media_info.volume)
|
|
if status:
|
|
if not controller.media_info.is_background:
|
|
display.frame.evaluateJavaScript('show_blank("desktop");')
|
|
self.current_media_players[controller.controller_type].set_visible(display, True)
|
|
# Flash needs to be played and will not AutoPlay
|
|
if controller.media_info.is_flash:
|
|
controller.mediabar.actions['playbackPlay'].setVisible(True)
|
|
controller.mediabar.actions['playbackPause'].setVisible(False)
|
|
else:
|
|
controller.mediabar.actions['playbackPlay'].setVisible(False)
|
|
controller.mediabar.actions['playbackPause'].setVisible(True)
|
|
controller.mediabar.actions['playbackStop'].setVisible(True)
|
|
if controller.is_live:
|
|
if controller.hide_menu.defaultAction().isChecked() and not controller.media_info.is_background:
|
|
controller.hide_menu.defaultAction().trigger()
|
|
# Start Timer for ui updates
|
|
if not self.timer.isActive():
|
|
self.timer.start()
|
|
controller.seek_slider.blockSignals(False)
|
|
controller.volume_slider.blockSignals(False)
|
|
return True
|
|
|
|
def media_pause_msg(self, msg):
|
|
"""
|
|
Responds to the request to pause a loaded video
|
|
|
|
:param msg: First element is the controller which should be used
|
|
"""
|
|
log.debug('media_pause_msg')
|
|
self.media_pause(msg[0])
|
|
|
|
def media_pause(self, controller):
|
|
"""
|
|
Responds to the request to pause a loaded video
|
|
|
|
:param controller: The Controller to be paused
|
|
"""
|
|
log.debug('media_pause')
|
|
display = self._define_display(controller)
|
|
self.current_media_players[controller.controller_type].pause(display)
|
|
controller.mediabar.actions['playbackPlay'].setVisible(True)
|
|
controller.mediabar.actions['playbackStop'].setVisible(True)
|
|
controller.mediabar.actions['playbackPause'].setVisible(False)
|
|
|
|
def media_stop_msg(self, msg):
|
|
"""
|
|
Responds to the request to stop a loaded video
|
|
|
|
:param msg: First element is the controller which should be used
|
|
"""
|
|
log.debug('media_stop_msg')
|
|
self.media_stop(msg[0])
|
|
|
|
def media_stop(self, controller):
|
|
"""
|
|
Responds to the request to stop a loaded video
|
|
|
|
:param controller: The controller that needs to be stopped
|
|
"""
|
|
log.debug('media_stop')
|
|
display = self._define_display(controller)
|
|
if controller.controller_type in self.current_media_players:
|
|
display.frame.evaluateJavaScript('show_blank("black");')
|
|
self.current_media_players[controller.controller_type].stop(display)
|
|
self.current_media_players[controller.controller_type].set_visible(display, False)
|
|
controller.seek_slider.setSliderPosition(0)
|
|
controller.mediabar.actions['playbackPlay'].setVisible(True)
|
|
controller.mediabar.actions['playbackStop'].setVisible(False)
|
|
controller.mediabar.actions['playbackPause'].setVisible(False)
|
|
|
|
def media_volume_msg(self, msg):
|
|
"""
|
|
Changes the volume of a running video
|
|
|
|
:param msg: First element is the controller which should be used
|
|
"""
|
|
controller = msg[0]
|
|
vol = msg[1][0]
|
|
self.media_volume(controller, vol)
|
|
|
|
def media_volume(self, controller, volume):
|
|
"""
|
|
Changes the volume of a running video
|
|
|
|
:param controller: The Controller to use
|
|
:param volume: The volume to be set
|
|
"""
|
|
log.debug('media_volume %d' % volume)
|
|
display = self._define_display(controller)
|
|
self.current_media_players[controller.controller_type].volume(display, volume)
|
|
controller.volume_slider.setValue(volume)
|
|
|
|
def media_seek_msg(self, msg):
|
|
"""
|
|
Responds to the request to change the seek Slider of a loaded video via a message
|
|
|
|
:param msg: First element is the controller which should be used
|
|
Second element is a list with the seek value as first element
|
|
"""
|
|
log.debug('media_seek')
|
|
controller = msg[0]
|
|
seek_value = msg[1][0]
|
|
self.media_seek(controller, seek_value)
|
|
|
|
def media_seek(self, controller, seek_value):
|
|
"""
|
|
Responds to the request to change the seek Slider of a loaded video
|
|
|
|
:param controller: The controller to use.
|
|
:param seek_value: The value to set.
|
|
"""
|
|
log.debug('media_seek')
|
|
display = self._define_display(controller)
|
|
self.current_media_players[controller.controller_type].seek(display, seek_value)
|
|
|
|
def media_reset(self, controller):
|
|
"""
|
|
Responds to the request to reset a loaded video
|
|
"""
|
|
log.debug('media_reset')
|
|
self.set_controls_visible(controller, False)
|
|
display = self._define_display(controller)
|
|
if controller.controller_type in self.current_media_players:
|
|
display.override = {}
|
|
self.current_media_players[controller.controller_type].reset(display)
|
|
self.current_media_players[controller.controller_type].set_visible(display, False)
|
|
display.frame.evaluateJavaScript('show_video( "setBackBoard", null, null, null,"hidden");')
|
|
del self.current_media_players[controller.controller_type]
|
|
|
|
def media_hide(self, msg):
|
|
"""
|
|
Hide the related video Widget
|
|
|
|
:param msg: First element is the boolean for Live indication
|
|
"""
|
|
is_live = msg[1]
|
|
if not is_live:
|
|
return
|
|
display = self._define_display(self.live_controller)
|
|
if self.live_controller.controller_type in self.current_media_players and \
|
|
self.current_media_players[self.live_controller.controller_type].state == MediaState.Playing:
|
|
self.current_media_players[self.live_controller.controller_type].pause(display)
|
|
self.current_media_players[self.live_controller.controller_type].set_visible(display, False)
|
|
|
|
def media_blank(self, msg):
|
|
"""
|
|
Blank the related video Widget
|
|
|
|
:param msg: First element is the boolean for Live indication
|
|
Second element is the hide mode
|
|
"""
|
|
is_live = msg[1]
|
|
hide_mode = msg[2]
|
|
if not is_live:
|
|
return
|
|
Registry().execute('live_display_hide', hide_mode)
|
|
display = self._define_display(self.live_controller)
|
|
if self.current_media_players[self.live_controller.controller_type].state == MediaState.Playing:
|
|
self.current_media_players[self.live_controller.controller_type].pause(display)
|
|
self.current_media_players[self.live_controller.controller_type].set_visible(display, False)
|
|
|
|
def media_unblank(self, msg):
|
|
"""
|
|
Unblank the related video Widget
|
|
|
|
:param msg: First element is not relevant in this context
|
|
Second element is the boolean for Live indication
|
|
"""
|
|
Registry().execute('live_display_show')
|
|
is_live = msg[1]
|
|
if not is_live:
|
|
return
|
|
display = self._define_display(self.live_controller)
|
|
if self.live_controller.controller_type in self.current_media_players and \
|
|
self.current_media_players[self.live_controller.controller_type].state != MediaState.Playing:
|
|
if self.current_media_players[self.live_controller.controller_type].play(display):
|
|
self.current_media_players[self.live_controller.controller_type].set_visible(display, True)
|
|
# Start Timer for ui updates
|
|
if not self.timer.isActive():
|
|
self.timer.start()
|
|
|
|
def finalise(self):
|
|
"""
|
|
Reset all the media controllers when OpenLP shuts down
|
|
"""
|
|
self.timer.stop()
|
|
for controller in self.display_controllers:
|
|
self.media_reset(self.display_controllers[controller])
|
|
|
|
def _define_display(self, controller):
|
|
"""
|
|
Extract the correct display for a given controller
|
|
|
|
:param controller: Controller to be used
|
|
"""
|
|
if controller.is_live:
|
|
return controller.display
|
|
return controller.preview_display
|