forked from openlp/openlp
Bug #963955: Avoid the need to start video twice to just get media length.
This commit is contained in:
Martin Zibricky
parent
e1cd3bdd8b
commit
b5de3c2828
@ -106,11 +106,6 @@ class MediaController(object):
|
||||
AppLocation.get_directory(AppLocation.AppDir),
|
||||
u'core', u'ui', u'media')
|
||||
for filename in os.listdir(controller_dir):
|
||||
# TODO vlc backend is not yet working on Mac OS X.
|
||||
# For now just ignore vlc backend on Mac OS X.
|
||||
if sys.platform == 'darwin' and filename == 'vlcplayer.py':
|
||||
log.warn(u'Disabling vlc media player')
|
||||
continue
|
||||
if filename.endswith(u'player.py'):
|
||||
path = os.path.join(controller_dir, filename)
|
||||
if os.path.isfile(path):
|
||||
@ -294,7 +289,8 @@ class MediaController(object):
|
||||
"""
|
||||
player.resize(display)
|
||||
|
||||
def video(self, controller, file, muted, isBackground, hidden=False):
|
||||
def video(self, controller, file, muted, isBackground, hidden=False,
|
||||
isInfo=False, controllersVisible=True):
|
||||
"""
|
||||
Loads and starts a video to run with the option of sound
|
||||
"""
|
||||
@ -352,14 +348,16 @@ class MediaController(object):
|
||||
elif Settings().value(u'general/auto unblank',
|
||||
QtCore.QVariant(False)).toBool():
|
||||
autoplay = True
|
||||
if autoplay:
|
||||
# Start playback only for visible widgets. If we need just load a video
|
||||
# and get video information, do not start playback.
|
||||
if autoplay and not isInfo:
|
||||
if not self.video_play([controller]):
|
||||
critical_error_message_box(
|
||||
translate('MediaPlugin.MediaItem', 'Unsupported File'),
|
||||
unicode(translate('MediaPlugin.MediaItem',
|
||||
'Unsupported File')))
|
||||
return False
|
||||
self.set_controls_visible(controller, True)
|
||||
self.set_controls_visible(controller, controllersVisible)
|
||||
log.debug(u'use %s controller' % self.curDisplayMediaPlayer[display])
|
||||
return True
|
||||
|
||||
|
||||
@ -110,33 +110,35 @@ class VlcPlayer(MediaPlayer):
|
||||
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',
|
||||
QtCore.QVariant(False)).toBool() 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)
|
||||
#if not display.hasAudio:
|
||||
#command_line_options += u' --no-audio --no-video-title-show'
|
||||
#if Settings().value(u'advanced/hide mouse',
|
||||
#QtCore.QVariant(False)).toBool() and \
|
||||
#display.controller.isLive:
|
||||
#command_line_options += u' --mouse-hide-timeout=0'
|
||||
#display.vlcInstance = vlc.Instance(command_line_options)
|
||||
display.vlcInstance = vlc.get_default_instance()
|
||||
#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
|
||||
# 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
|
||||
# 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.
|
||||
win_id = int(display.vlcWidget.winId())
|
||||
if sys.platform == "win32":
|
||||
display.vlcMediaPlayer.set_hwnd(int(display.vlcWidget.winId()))
|
||||
display.vlcMediaPlayer.set_hwnd(win_id)
|
||||
elif sys.platform == "darwin":
|
||||
# We have to use 'set_nsobject' since Qt4 on OSX uses Cocoa
|
||||
# framework and not the old Carbon.
|
||||
display.vlcMediaPlayer.set_nsobject(int(display.vlcWidget.winId()))
|
||||
display.vlcMediaPlayer.set_nsobject(win_id)
|
||||
else:
|
||||
# for Linux using the X Server
|
||||
display.vlcMediaPlayer.set_xwindow(int(display.vlcWidget.winId()))
|
||||
display.vlcMediaPlayer.set_xwindow(win_id)
|
||||
self.hasOwnWidget = True
|
||||
|
||||
def check_available(self):
|
||||
@ -156,6 +158,13 @@ class VlcPlayer(MediaPlayer):
|
||||
# parse the metadata of the file
|
||||
display.vlcMedia.parse()
|
||||
self.volume(display, volume)
|
||||
# We need to set media_info.length during load because we want
|
||||
# to avoid start and stop the video twice. Once for real playback
|
||||
# and once to just get media length.
|
||||
#
|
||||
# Media plugin depends on knowing media length before playback.
|
||||
controller.media_info.length = \
|
||||
int(display.vlcMediaPlayer.get_media().get_duration() / 1000)
|
||||
return True
|
||||
|
||||
def media_state_wait(self, display, mediaState):
|
||||
@ -212,11 +221,9 @@ class VlcPlayer(MediaPlayer):
|
||||
display.vlcMediaPlayer.set_time(seekVal)
|
||||
|
||||
def reset(self, display):
|
||||
# FIXME Reset causes that OpenLP stops responding on OS X.
|
||||
#display.vlcMediaPlayer.stop()
|
||||
#display.vlcWidget.setVisible(False)
|
||||
#self.state = MediaState.Off
|
||||
pass
|
||||
display.vlcMediaPlayer.stop()
|
||||
display.vlcWidget.setVisible(False)
|
||||
self.state = MediaState.Off
|
||||
|
||||
def set_visible(self, display, status):
|
||||
if self.hasOwnWidget:
|
||||
|
||||
@ -204,11 +204,19 @@ class MediaMediaItem(MediaManagerItem):
|
||||
'The file %s no longer exists.')) % filename)
|
||||
return False
|
||||
self.mediaLength = 0
|
||||
# Get media information and its length.
|
||||
# TODO This code (mediaController.video()) starts playback but we
|
||||
# need only media information not video to start. Otherwise
|
||||
# video is played twice. Find another way to get media info
|
||||
# without loading and starting video playback.
|
||||
# TODO Test getting media length with other media backends
|
||||
# Phonon/Webkit.
|
||||
if self.plugin.mediaController.video( \
|
||||
self.mediaController, filename, False, False):
|
||||
self.mediaController, filename, muted=True,
|
||||
isBackground=False, isInfo=True, controllersVisible=False):
|
||||
self.mediaLength = self.mediaController.media_info.length
|
||||
service_item.media_length = self.mediaLength
|
||||
self.plugin.mediaController.video_reset(self.mediaController)
|
||||
print ' media length:', self.mediaLength
|
||||
if self.mediaLength > 0:
|
||||
service_item.add_capability(
|
||||
ItemCapabilities.HasVariableStartTime)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user