forked from openlp/openlp
215 lines
9.1 KiB
Python
215 lines
9.1 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 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 #
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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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import logging
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import mimetypes
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from datetime import datetime
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from PyQt4.phonon import Phonon
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from openlp.core.lib import Receiver
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from openlp.core.lib.mediaplayer import MediaPlayer
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from openlp.core.ui.media import MediaState
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log = logging.getLogger(__name__)
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ADDITIONAL_EXT = {
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u'audio/ac3': [u'.ac3'],
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u'audio/flac': [u'.flac'],
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u'audio/x-m4a': [u'.m4a'],
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u'audio/midi': [u'.mid', u'.midi'],
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u'audio/x-mp3': [u'.mp3'],
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u'audio/mpeg': [u'.mp3', u'.mp2', u'.mpga', u'.mpega', u'.m4a'],
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u'audio/qcelp': [u'.qcp'],
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u'audio/x-wma': [u'.wma'],
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u'audio/x-ms-wma': [u'.wma'],
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u'video/x-flv': [u'.flv'],
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u'video/x-matroska': [u'.mpv', u'.mkv'],
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u'video/x-wmv': [u'.wmv'],
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u'video/x-mpg': [u'.mpg'],
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u'video/mpeg' : [u'.mp4', u'.mts', u'.mov'],
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u'video/x-ms-wmv': [u'.wmv']}
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class PhononPlayer(MediaPlayer):
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"""
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A specialised version of the MediaPlayer class, which provides a Phonon
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display.
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"""
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def __init__(self, parent):
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MediaPlayer.__init__(self, parent, u'phonon')
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self.original_name = u'Phonon'
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self.display_name = u'&Phonon'
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self.parent = parent
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self.additional_extensions = ADDITIONAL_EXT
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try:
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mimetypes.init()
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for mimetype in Phonon.BackendCapabilities.availableMimeTypes():
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mimetype = unicode(mimetype)
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if mimetype.startswith(u'audio/'):
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self._addToList(self.audio_extensions_list, mimetype)
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elif mimetype.startswith(u'video/'):
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self._addToList(self.video_extensions_list, mimetype)
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# Work around for http://bugs.python.org/issue9291
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except UnicodeDecodeError:
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log.exception(u'UnicodeDecodeError when trying to read mime types. '
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'Setting extensions to all files')
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self.audio_extensions_list = [u'*.*']
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self.video_extensions_list = [u'*.*']
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def _addToList(self, list, mimetype):
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# Add all extensions which mimetypes provides us for supported types.
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extensions = mimetypes.guess_all_extensions(unicode(mimetype))
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for extension in extensions:
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ext = u'*%s' % extension
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if ext not in list:
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list.append(ext)
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log.info(u'MediaPlugin: %s extensions: %s' % (mimetype,
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u' '.join(extensions)))
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# Add extensions for this mimetype from self.additional_extensions.
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# This hack clears mimetypes' and operating system's shortcomings
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# by providing possibly missing extensions.
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if mimetype in self.additional_extensions.keys():
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for extension in self.additional_extensions[mimetype]:
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ext = u'*%s' % extension
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if ext not in list:
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list.append(ext)
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log.info(u'MediaPlugin: %s additional extensions: %s' % (mimetype,
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u' '.join(self.additional_extensions[mimetype])))
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def setup(self, display):
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display.phononWidget = Phonon.VideoWidget(display)
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display.phononWidget.resize(display.size())
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display.mediaObject = Phonon.MediaObject(display)
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Phonon.createPath(display.mediaObject, display.phononWidget)
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if display.hasAudio:
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display.audio = Phonon.AudioOutput(
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Phonon.VideoCategory, display.mediaObject)
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Phonon.createPath(display.mediaObject, display.audio)
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display.phononWidget.raise_()
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display.phononWidget.hide()
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self.hasOwnWidget = True
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def check_available(self):
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return True
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def load(self, display):
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log.debug(u'load vid in Phonon Controller')
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controller = display.controller
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volume = controller.media_info.volume
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path = controller.media_info.file_info.absoluteFilePath()
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display.mediaObject.setCurrentSource(Phonon.MediaSource(path))
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if not self.media_state_wait(display, Phonon.StoppedState):
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return False
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self.volume(display, volume)
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return True
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def media_state_wait(self, display, mediaState):
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"""
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Wait for the video to change its state
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Wait no longer than 5 seconds.
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"""
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start = datetime.now()
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current_state = display.mediaObject.state()
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while current_state != mediaState:
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current_state = display.mediaObject.state()
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if current_state == Phonon.ErrorState:
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return False
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Receiver.send_message(u'openlp_process_events')
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if (datetime.now() - start).seconds > 5:
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return False
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return True
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def resize(self, display):
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display.phononWidget.resize(display.size())
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def play(self, display):
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controller = display.controller
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start_time = 0
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if display.mediaObject.state() != Phonon.PausedState and \
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controller.media_info.start_time > 0:
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start_time = controller.media_info.start_time
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display.mediaObject.play()
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if not self.media_state_wait(display, Phonon.PlayingState):
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return False
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if start_time > 0:
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self.seek(display, controller.media_info.start_time * 1000)
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self.volume(display, controller.media_info.volume)
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controller.media_info.length = \
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int(display.mediaObject.totalTime() / 1000)
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controller.seekSlider.setMaximum(controller.media_info.length * 1000)
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self.state = MediaState.Playing
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display.phononWidget.raise_()
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return True
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def pause(self, display):
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display.mediaObject.pause()
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if self.media_state_wait(display, Phonon.PausedState):
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self.state = MediaState.Paused
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def stop(self, display):
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display.mediaObject.stop()
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self.set_visible(display, False)
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self.state = MediaState.Stopped
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def volume(self, display, vol):
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# 1.0 is the highest value
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if display.hasAudio:
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vol = float(vol) / float(100)
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display.audio.setVolume(vol)
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def seek(self, display, seekVal):
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display.mediaObject.seek(seekVal)
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def reset(self, display):
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display.mediaObject.stop()
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display.mediaObject.clearQueue()
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self.set_visible(display, False)
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display.phononWidget.setVisible(False)
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self.state = MediaState.Off
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def set_visible(self, display, status):
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if self.hasOwnWidget:
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display.phononWidget.setVisible(status)
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def update_ui(self, display):
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if display.mediaObject.state() == Phonon.PausedState and \
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self.state != MediaState.Paused:
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self.stop(display)
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controller = display.controller
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if controller.media_info.end_time > 0:
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if display.mediaObject.currentTime() > \
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controller.media_info.end_time * 1000:
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self.stop(display)
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self.set_visible(display, False)
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if not controller.seekSlider.isSliderDown():
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controller.seekSlider.setSliderPosition(
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display.mediaObject.currentTime())
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