forked from openlp/openlp
Detect whether imported video/audio is valid
bzr-revno: 1409
This commit is contained in:
commit
60ab4cc165
@ -110,7 +110,7 @@ class MainDisplay(DisplayWidget):
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Phonon.createPath(self.mediaObject, self.audio)
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QtCore.QObject.connect(self.mediaObject,
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QtCore.SIGNAL(u'stateChanged(Phonon::State, Phonon::State)'),
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self.videoStart)
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self.videoState)
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QtCore.QObject.connect(self.mediaObject,
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QtCore.SIGNAL(u'finished()'),
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self.videoFinished)
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@ -378,11 +378,13 @@ class MainDisplay(DisplayWidget):
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Receiver.send_message(u'maindisplay_active')
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return self.preview()
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def videoStart(self, newState, oldState):
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def videoState(self, newState, oldState):
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"""
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Start the video at a predetermined point.
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"""
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if newState == Phonon.PlayingState:
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if newState == Phonon.PlayingState \
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and oldState != Phonon.PausedState \
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and self.serviceItem.start_time > 0:
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# set start time in milliseconds
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self.mediaObject.seek(self.serviceItem.start_time * 1000)
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@ -54,9 +54,6 @@ class MediaMediaItem(MediaManagerItem):
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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'video_background_replaced'),
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self.videobackgroundReplaced)
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QtCore.QObject.connect(self.mediaObject,
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QtCore.SIGNAL(u'stateChanged(Phonon::State, Phonon::State)'),
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self.videoStart)
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def retranslateUi(self):
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self.onNewPrompt = translate('MediaPlugin.MediaItem', 'Select Media')
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@ -125,40 +122,66 @@ class MediaMediaItem(MediaManagerItem):
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if item is None:
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return False
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filename = unicode(item.data(QtCore.Qt.UserRole).toString())
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if os.path.exists(filename):
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self.mediaState = None
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self.mediaObject.stop()
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self.mediaObject.clearQueue()
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self.mediaObject.setCurrentSource(Phonon.MediaSource(filename))
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self.mediaObject.play()
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service_item.title = unicode(self.plugin.nameStrings[u'singular'])
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service_item.add_capability(ItemCapabilities.RequiresMedia)
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# force a nonexistent theme
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service_item.theme = -1
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frame = u':/media/image_clapperboard.png'
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(path, name) = os.path.split(filename)
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file_size = os.path.getsize(filename)
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# File too big for processing
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if file_size <= 52428800: # 50MiB
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start = datetime.now()
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while not self.mediaState:
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Receiver.send_message(u'openlp_process_events')
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tme = datetime.now() - start
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if tme.seconds > 5:
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break
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if self.mediaState:
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service_item.media_length = self.mediaLength
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service_item.add_capability(
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ItemCapabilities.AllowsVariableStartTime)
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service_item.add_from_command(path, name, frame)
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return True
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else:
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if not os.path.exists(filename):
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# File is no longer present
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critical_error_message_box(
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translate('MediaPlugin.MediaItem', 'Missing Media File'),
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unicode(translate('MediaPlugin.MediaItem',
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'The file %s no longer exists.')) % filename)
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return False
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self.mediaObject.stop()
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self.mediaObject.clearQueue()
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self.mediaObject.setCurrentSource(Phonon.MediaSource(filename))
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if not self.mediaStateWait(Phonon.StoppedState):
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# Due to string freeze, borrow a message from presentations
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# This will be corrected in 1.9.6
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critical_error_message_box(
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translate('PresentationPlugin.MediaItem', 'Unsupported File'),
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unicode(translate('PresentationPlugin.MediaItem',
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'Unsupported File')))
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return False
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# File too big for processing
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if os.path.getsize(filename) <= 52428800: # 50MiB
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self.mediaObject.play()
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if not self.mediaStateWait(Phonon.PlayingState) \
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or self.mediaObject.currentSource().type() \
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== Phonon.MediaSource.Invalid:
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# Due to string freeze, borrow a message from presentations
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# This will be corrected in 1.9.6
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self.mediaObject.stop()
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critical_error_message_box(
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translate('PresentationPlugin.MediaItem',
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'Unsupported File'),
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unicode(translate('PresentationPlugin.MediaItem',
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'Unsupported File')))
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return False
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self.mediaLength = self.mediaObject.totalTime() / 1000
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self.mediaObject.stop()
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service_item.media_length = self.mediaLength
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service_item.add_capability(
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ItemCapabilities.AllowsVariableStartTime)
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service_item.title = unicode(self.plugin.nameStrings[u'singular'])
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service_item.add_capability(ItemCapabilities.RequiresMedia)
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# force a non-existent theme
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service_item.theme = -1
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frame = u':/media/image_clapperboard.png'
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(path, name) = os.path.split(filename)
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service_item.add_from_command(path, name, frame)
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return True
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def mediaStateWait(self, 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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while self.mediaObject.state() != mediaState:
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if self.mediaObject.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 initialise(self):
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self.listView.clear()
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@ -187,12 +210,3 @@ class MediaMediaItem(MediaManagerItem):
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item_name.setIcon(build_icon(img))
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item_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(file))
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self.listView.addItem(item_name)
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def videoStart(self, newState, oldState):
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"""
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Start the video at a predetermined point.
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"""
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if newState == Phonon.PlayingState:
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self.mediaState = newState
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self.mediaLength = self.mediaObject.totalTime()/1000
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self.mediaObject.stop()
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