# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2012 Raoul Snyman #
# Portions copyright (c) 2008-2012 Tim Bentley, Gerald Britton, Jonathan #
# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub, #
# Meinert Jordan, Armin Köhler, Erik Lundin, Edwin Lunando, Brian T. Meyer. #
# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru, #
# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock, #
# Frode Woldsund, Martin Zibricky, Patrick Zimmermann #
# --------------------------------------------------------------------------- #
# 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 #
###############################################################################
import logging
import mimetypes
from datetime import datetime
from PyQt4 import QtCore, QtGui
from PyQt4.phonon import Phonon
from openlp.core.lib import Receiver, translate
from openlp.core.lib.settings import Settings
from openlp.core.ui.media import MediaState
from openlp.core.ui.media.mediaplayer import MediaPlayer
log = logging.getLogger(__name__)
ADDITIONAL_EXT = {
u'audio/ac3': [u'.ac3'],
u'audio/flac': [u'.flac'],
u'audio/x-m4a': [u'.m4a'],
u'audio/midi': [u'.mid', u'.midi'],
u'audio/x-mp3': [u'.mp3'],
u'audio/mpeg': [u'.mp3', u'.mp2', u'.mpga', u'.mpega', u'.m4a'],
u'audio/qcelp': [u'.qcp'],
u'audio/x-wma': [u'.wma'],
u'audio/x-ms-wma': [u'.wma'],
u'video/x-flv': [u'.flv'],
u'video/x-matroska': [u'.mpv', u'.mkv'],
u'video/x-wmv': [u'.wmv'],
u'video/x-mpg': [u'.mpg'],
u'video/mpeg' : [u'.mp4', u'.mts', u'.mov'],
u'video/x-ms-wmv': [u'.wmv']}
VIDEO_CSS = u"""
#videobackboard {
z-index:3;
background-color: %s;
}
#video1 {
background-color: %s;
z-index:4;
}
#video2 {
background-color: %s;
z-index:4;
}
"""
class PhononPlayer(MediaPlayer):
"""
A specialised version of the MediaPlayer class, which provides a Phonon
display.
"""
def __init__(self, parent):
MediaPlayer.__init__(self, parent, u'phonon')
self.original_name = u'Phonon'
self.display_name = u'&Phonon'
self.parent = parent
self.additional_extensions = ADDITIONAL_EXT
mimetypes.init()
for mimetype in Phonon.BackendCapabilities.availableMimeTypes():
mimetype = unicode(mimetype)
if mimetype.startswith(u'audio/'):
self._addToList(self.audio_extensions_list, mimetype)
elif mimetype.startswith(u'video/'):
self._addToList(self.video_extensions_list, mimetype)
def _addToList(self, list, mimetype):
# Add all extensions which mimetypes provides us for supported types.
extensions = mimetypes.guess_all_extensions(unicode(mimetype))
for extension in extensions:
ext = u'*%s' % extension
if ext not in list:
list.append(ext)
log.info(u'MediaPlugin: %s extensions: %s' % (mimetype, u' '.join(extensions)))
# Add extensions for this mimetype from self.additional_extensions.
# This hack clears mimetypes' and operating system's shortcomings
# by providing possibly missing extensions.
if mimetype in self.additional_extensions.keys():
for extension in self.additional_extensions[mimetype]:
ext = u'*%s' % extension
if ext not in list:
list.append(ext)
log.info(u'MediaPlugin: %s additional extensions: %s' %
(mimetype, u' '.join(self.additional_extensions[mimetype])))
def setup(self, display):
display.phononWidget = Phonon.VideoWidget(display)
display.phononWidget.resize(display.size())
display.mediaObject = Phonon.MediaObject(display)
Phonon.createPath(display.mediaObject, display.phononWidget)
if display.hasAudio:
display.audio = Phonon.AudioOutput(Phonon.VideoCategory, display.mediaObject)
Phonon.createPath(display.mediaObject, display.audio)
display.phononWidget.raise_()
display.phononWidget.hide()
self.hasOwnWidget = True
def check_available(self):
return True
def load(self, display):
log.debug(u'load vid in Phonon Controller')
controller = display.controller
volume = controller.media_info.volume
path = controller.media_info.file_info.absoluteFilePath()
display.mediaObject.setCurrentSource(Phonon.MediaSource(path))
if not self.media_state_wait(display, Phonon.StoppedState):
return False
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 5 seconds.
"""
start = datetime.now()
current_state = display.mediaObject.state()
while current_state != mediaState:
current_state = display.mediaObject.state()
if current_state == Phonon.ErrorState:
return False
Receiver.send_message(u'openlp_process_events')
if (datetime.now() - start).seconds > 5:
return False
return True
def resize(self, display):
display.phononWidget.resize(display.size())
def play(self, display):
controller = display.controller
start_time = 0
if display.mediaObject.state() != Phonon.PausedState and \
controller.media_info.start_time > 0:
start_time = controller.media_info.start_time
display.mediaObject.play()
if not self.media_state_wait(display, Phonon.PlayingState):
return False
if start_time > 0:
self.seek(display, controller.media_info.start_time * 1000)
self.volume(display, controller.media_info.volume)
controller.media_info.length = int(display.mediaObject.totalTime() / 1000)
controller.seekSlider.setMaximum(controller.media_info.length * 1000)
self.state = MediaState.Playing
display.phononWidget.raise_()
return True
def pause(self, display):
display.mediaObject.pause()
if self.media_state_wait(display, Phonon.PausedState):
self.state = MediaState.Paused
def stop(self, display):
display.mediaObject.stop()
self.set_visible(display, False)
self.state = MediaState.Stopped
def volume(self, display, vol):
# 1.0 is the highest value
if display.hasAudio:
vol = float(vol) / float(100)
display.audio.setVolume(vol)
def seek(self, display, seekVal):
display.mediaObject.seek(seekVal)
def reset(self, display):
display.mediaObject.stop()
display.mediaObject.clearQueue()
self.set_visible(display, False)
display.phononWidget.setVisible(False)
self.state = MediaState.Off
def set_visible(self, display, status):
if self.hasOwnWidget:
display.phononWidget.setVisible(status)
def update_ui(self, display):
if display.mediaObject.state() == Phonon.PausedState and self.state != MediaState.Paused:
self.stop(display)
controller = display.controller
if controller.media_info.end_time > 0:
if display.mediaObject.currentTime() > controller.media_info.end_time * 1000:
self.stop(display)
self.set_visible(display, False)
if not controller.seekSlider.isSliderDown():
controller.seekSlider.setSliderPosition(
display.mediaObject.currentTime())
def get_media_display_css(self):
"""
Add css style sheets to htmlbuilder
"""
background = unicode(QtGui.QColor(Settings().value(u'players/background color',
QtCore.QVariant(u'#000000'))).name())
return VIDEO_CSS % (background,background,background)
def get_info(self):
return(translate('Media.player', 'Phonon is a media player which '
'interacts with the operating system to provide media capabilities.') +
u'
' + translate('Media.player', 'Audio') +
u'
' + unicode(self.audio_extensions_list) +
u'
' + translate('Media.player', 'Video') +
u'
' + unicode(self.video_extensions_list) + u'
')