mirror of https://gitlab.com/openlp/openlp.git
694 lines
31 KiB
Python
694 lines
31 KiB
Python
# -*- coding: utf-8 -*-
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##########################################################################
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# OpenLP - Open Source Lyrics Projection #
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# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2019 OpenLP Developers #
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# ---------------------------------------------------------------------- #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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##########################################################################
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"""
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The :mod:`~openlp.core.ui.media.mediacontroller` module is the control module for all media playing.
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"""
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import logging
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try:
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from pymediainfo import MediaInfo
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pymediainfo_available = True
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except ImportError:
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pymediainfo_available = False
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from subprocess import check_output
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from PyQt5 import QtCore
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from openlp.core.state import State
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from openlp.core.api.http import register_endpoint
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from openlp.core.common.i18n import translate
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from openlp.core.common.mixins import LogMixin, RegistryProperties
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from openlp.core.common.registry import Registry, RegistryBase
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from openlp.core.common.settings import Settings
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from openlp.core.lib.serviceitem import ItemCapabilities
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from openlp.core.lib.ui import critical_error_message_box
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from openlp.core.ui import DisplayControllerType
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from openlp.core.ui.media import MediaState, ItemMediaInfo, MediaType, parse_optical_path, VIDEO_EXT, AUDIO_EXT
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from openlp.core.ui.media.endpoint import media_endpoint
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from openlp.core.ui.media.vlcplayer import VlcPlayer, get_vlc
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log = logging.getLogger(__name__)
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TICK_TIME = 200
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class MediaController(RegistryBase, LogMixin, RegistryProperties):
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"""
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The implementation of the Media Controller which manages how media is played.
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"""
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def setup(self):
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self.vlc_player = None
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self.current_media_players = {}
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# Timer for video state
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self.live_timer = QtCore.QTimer()
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self.live_timer.setInterval(TICK_TIME)
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self.preview_timer = QtCore.QTimer()
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self.preview_timer.setInterval(TICK_TIME)
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# Signals
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self.live_timer.timeout.connect(self.media_state_live)
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self.preview_timer.timeout.connect(self.media_state_preview)
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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('playbackLoop', self.media_loop_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_blank', self.media_blank)
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Registry().register_function('songs_unblank', self.media_unblank)
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register_endpoint(media_endpoint)
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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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self.setup()
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self.vlc_player = VlcPlayer(self)
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State().add_service('mediacontroller', 0)
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State().add_service('media_live', 0)
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getvlc = get_vlc()
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if getvlc and pymediainfo_available:
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State().update_pre_conditions('mediacontroller', True)
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State().update_pre_conditions('media_live', True)
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else:
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if hasattr(self.main_window, 'splash') and self.main_window.splash.isVisible():
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self.main_window.splash.hide()
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text_vlc = translate('OpenLP.MediaController',
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'The media integration library is missing (python - vlc is not installed)')
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text_info = translate('OpenLP.MediaController',
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'The media integration library is missing (python - pymediainfo is not installed)')
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if not getvlc and not pymediainfo_available:
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State().missing_text('media_live', "{text}\n{base}".format(text=text_vlc, base=text_info))
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if getvlc and not pymediainfo_available:
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State().missing_text('media_live', "{text}".format(text=text_info))
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if not getvlc and pymediainfo_available:
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State().missing_text('media_live', "{text}".format(text=text_vlc))
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return True
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def bootstrap_post_set_up(self):
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"""
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Set up the controllers.
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:return:
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"""
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if State().check_preconditions('mediacontroller'):
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try:
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self.setup_display(self.live_controller.display, False)
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except AttributeError:
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State().update_pre_conditions('media_live', False)
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State().missing_text('media_live', translate(
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'OpenLP.MediaController',
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'No Displays have been configured, so Live Media has been disabled'))
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self.setup_display(self.preview_controller.preview_display, True)
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def display_controllers(self, controller_type):
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"""
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Decides which controller to use.
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:param controller_type: The controller type where a player will be placed
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"""
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if controller_type == DisplayControllerType.Live:
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return self.live_controller
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return self.preview_controller
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def media_state_live(self):
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"""
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Check if there is a running Live media Player and do updating stuff (e.g. update the UI)
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"""
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display = self._define_display(self.display_controllers(DisplayControllerType.Live))
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if DisplayControllerType.Live in self.current_media_players:
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self.current_media_players[DisplayControllerType.Live].resize(display)
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self.current_media_players[DisplayControllerType.Live].update_ui(self.live_controller, display)
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self.tick(self.display_controllers(DisplayControllerType.Live))
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if self.current_media_players[DisplayControllerType.Live].get_live_state() is not MediaState.Playing:
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self.live_timer.stop()
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else:
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self.live_timer.stop()
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self.media_stop(self.display_controllers(DisplayControllerType.Live))
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if self.display_controllers(DisplayControllerType.Live).media_info.can_loop_playback:
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self.media_play(self.display_controllers(DisplayControllerType.Live), True)
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def media_state_preview(self):
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"""
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Check if there is a running Preview media Player and do updating stuff (e.g. update the UI)
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"""
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display = self._define_display(self.display_controllers(DisplayControllerType.Preview))
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if DisplayControllerType.Preview in self.current_media_players:
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self.current_media_players[DisplayControllerType.Preview].resize(display)
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self.current_media_players[DisplayControllerType.Preview].update_ui(self.preview_controller, display)
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self.tick(self.display_controllers(DisplayControllerType.Preview))
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if self.current_media_players[DisplayControllerType.Preview].get_preview_state() is not MediaState.Playing:
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self.preview_timer.stop()
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else:
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self.preview_timer.stop()
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self.media_stop(self.display_controllers(DisplayControllerType.Preview))
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if self.display_controllers(DisplayControllerType.Preview).media_info.can_loop_playback:
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self.media_play(self.display_controllers(DisplayControllerType.Preview), True)
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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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display.media_info = ItemMediaInfo()
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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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self.vlc_player.setup(display, preview)
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@staticmethod
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def set_controls_visible(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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@staticmethod
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def resize(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 load_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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is_valid = True
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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 = ItemMediaInfo()
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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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# background will always loop video.
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controller.media_info.can_loop_playback = video_behind_text
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if service_item.is_capable(ItemCapabilities.HasBackgroundAudio):
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controller.media_info.file_info = service_item.background_audio
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else:
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controller.media_info.file_info = [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.CanStream):
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is_valid = self._check_file_type(controller, display, True)
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controller.media_info.media_type = MediaType.Stream
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elif 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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controller.media_info.length = service_item.media_length
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is_valid = self._check_file_type(controller, display)
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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.CanStream):
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controller.media_info.media_type = MediaType.Stream
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is_valid = self._check_file_type(controller, display, True)
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elif 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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controller.media_info.length = service_item.media_length
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is_valid = self._check_file_type(controller, display)
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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 media type: {tpe} '.format(tpe=str(controller.media_info.media_type)))
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# dont care about actual theme, set a black background
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# now start playing - Preview is autoplay!
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autoplay = False
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if service_item.is_capable(ItemCapabilities.CanStream):
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autoplay = True
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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 {nm} controller'.format(nm=self.current_media_players[controller.controller_type].display_name))
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return True
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@staticmethod
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def media_length(media_path):
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"""
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Uses Media Info to obtain the media length
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:param media_path: The file path to be checked..
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"""
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if MediaInfo.can_parse():
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media_data = MediaInfo.parse(media_path)
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else:
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xml = check_output(['mediainfo', '-f', '--Output=XML', '--Inform=OLDXML', media_path])
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if not xml.startswith(b'<?xml'):
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xml = check_output(['mediainfo', '-f', '--Output=XML', media_path])
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media_data = MediaInfo(xml.decode("utf-8"))
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# duration returns in milli seconds
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return media_data.tracks[0].duration
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def media_setup_optical(self, filename, title, audio_track, subtitle_track, start, end, display, controller):
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"""
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Setup playback of optical media
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:param filename: Path of the optical device/drive.
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:param title: The main/title track to play.
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:param audio_track: The audio track to play.
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:param subtitle_track: The subtitle track to play.
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:param start: Start position in milliseconds.
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:param end: End position in milliseconds.
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:param display: The display to play the media.
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:param controller: The media controller.
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:return: True if setup succeeded else False.
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"""
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# stop running videos
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self.media_reset(controller)
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# Setup media info
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controller.media_info = ItemMediaInfo()
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controller.media_info.file_info = QtCore.QFileInfo(filename)
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if audio_track == -1 and subtitle_track == -1:
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controller.media_info.media_type = MediaType.CD
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else:
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controller.media_info.media_type = MediaType.DVD
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controller.media_info.start_time = start
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controller.media_info.end_time = end
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controller.media_info.length = (end - start)
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controller.media_info.title_track = title
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controller.media_info.audio_track = audio_track
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controller.media_info.subtitle_track = subtitle_track
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# When called from mediaitem display is None
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if display is None:
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display = controller.preview_display
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self.vlc_player.load(display, filename)
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self.resize(display, self.vlc_player)
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self.current_media_players[controller.controller_type] = self.vlc_player
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if audio_track == -1 and subtitle_track == -1:
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controller.media_info.media_type = MediaType.CD
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else:
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controller.media_info.media_type = MediaType.DVD
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return True
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def _check_file_type(self, controller, display, stream=False):
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"""
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Select the correct media Player type from the prioritized Player list
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:param controller: First element is the controller which should be used
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:param display: Which display to use
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:param stream: Are we streaming or not
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"""
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if stream:
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self.resize(display, self.vlc_player)
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display.media_info.media_type = MediaType.Stream
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if self.vlc_player.load(display, None):
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self.current_media_players[controller.controller_type] = self.vlc_player
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return True
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return True
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for file in controller.media_info.file_info:
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if file.is_file:
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suffix = '*%s' % file.suffix.lower()
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file = str(file)
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if suffix in VIDEO_EXT:
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if not controller.media_info.is_background or controller.media_info.is_background and \
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self.vlc_player.can_background:
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self.resize(display, self.vlc_player)
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if self.vlc_player.load(display, file):
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self.current_media_players[controller.controller_type] = self.vlc_player
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controller.media_info.media_type = MediaType.Video
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return True
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if suffix in AUDIO_EXT:
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if self.vlc_player.load(display, file):
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self.current_media_players[controller.controller_type] = self.vlc_player
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controller.media_info.media_type = MediaType.Audio
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return True
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else:
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file = str(file)
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if self.vlc_player.can_folder:
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self.resize(display, self.vlc_player)
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if self.vlc_player.load(display, file):
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self.current_media_players[controller.controller_type] = self.vlc_player
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controller.media_info.media_type = MediaType.Video
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return True
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return False
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def media_play_msg(self, msg, status=True):
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"""
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Responds to the request to play a loaded video
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:param msg: First element is the controller which should be used
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:param status:
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"""
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self.media_play(msg[0], status)
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def on_media_play(self):
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"""
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Responds to the request to play a loaded video from the web.
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"""
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self.media_play(Registry().get('live_controller'), False)
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def media_play(self, controller, first_time=True):
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"""
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Responds to the request to play a loaded video
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:param controller: The controller to be played
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:param first_time:
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"""
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controller.seek_slider.blockSignals(True)
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controller.volume_slider.blockSignals(True)
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display = self._define_display(controller)
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if not self.current_media_players[controller.controller_type].play(controller, display):
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controller.seek_slider.blockSignals(False)
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controller.volume_slider.blockSignals(False)
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return False
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if controller.media_info.is_background:
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self.media_volume(controller, 0)
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else:
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self.media_volume(controller, controller.media_info.volume)
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if first_time:
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# if not controller.media_info.is_background:
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# display.frame.runJavaScript('show_blank("desktop");')
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self.current_media_players[controller.controller_type].set_visible(display, True)
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controller.mediabar.actions['playbackPlay'].setVisible(False)
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controller.mediabar.actions['playbackPause'].setVisible(True)
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controller.mediabar.actions['playbackStop'].setDisabled(False)
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if controller.is_live:
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if controller.hide_menu.defaultAction().isChecked() and not controller.media_info.is_background:
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controller.hide_menu.defaultAction().trigger()
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# Start Timer for ui updates
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if not self.live_timer.isActive():
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self.live_timer.start()
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else:
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# Start Timer for ui updates
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if not self.preview_timer.isActive():
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self.preview_timer.start()
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controller.seek_slider.blockSignals(False)
|
|
controller.volume_slider.blockSignals(False)
|
|
controller.media_info.is_playing = True
|
|
display = self._define_display(controller)
|
|
display.setVisible(True)
|
|
return True
|
|
|
|
def tick(self, controller):
|
|
"""
|
|
Add a tick while the media is playing but only count if not paused
|
|
|
|
:param controller: The Controller to be processed
|
|
"""
|
|
start_again = False
|
|
if controller.media_info.is_playing and controller.media_info.length > 0:
|
|
if controller.media_info.timer > controller.media_info.length:
|
|
self.media_stop(controller, True)
|
|
if controller.media_info.can_loop_playback:
|
|
start_again = True
|
|
controller.media_info.timer += TICK_TIME
|
|
seconds = controller.media_info.timer // 1000
|
|
minutes = seconds // 60
|
|
seconds %= 60
|
|
total_seconds = controller.media_info.length // 1000
|
|
total_minutes = total_seconds // 60
|
|
total_seconds %= 60
|
|
controller.position_label.setText(' %02d:%02d / %02d:%02d' %
|
|
(minutes, seconds, total_minutes, total_seconds))
|
|
if start_again:
|
|
self.media_play(controller, 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
|
|
"""
|
|
self.media_pause(msg[0])
|
|
|
|
def on_media_pause(self):
|
|
"""
|
|
Responds to the request to pause a loaded video from the web.
|
|
"""
|
|
self.media_pause(Registry().get('live_controller'))
|
|
|
|
def media_pause(self, controller):
|
|
"""
|
|
Responds to the request to pause a loaded video
|
|
|
|
:param controller: The Controller to be paused
|
|
"""
|
|
display = self._define_display(controller)
|
|
if controller.controller_type in self.current_media_players:
|
|
self.current_media_players[controller.controller_type].pause(display)
|
|
controller.mediabar.actions['playbackPlay'].setVisible(True)
|
|
controller.mediabar.actions['playbackStop'].setDisabled(False)
|
|
controller.mediabar.actions['playbackPause'].setVisible(False)
|
|
controller.media_info.is_playing = False
|
|
|
|
def media_loop_msg(self, msg):
|
|
"""
|
|
Responds to the request to loop a loaded video
|
|
|
|
:param msg: First element is the controller which should be used
|
|
"""
|
|
self.media_loop(msg[0])
|
|
|
|
@staticmethod
|
|
def media_loop(controller):
|
|
"""
|
|
Responds to the request to loop a loaded video
|
|
|
|
:param controller: The controller that needs to be stopped
|
|
"""
|
|
controller.media_info.can_loop_playback = not controller.media_info.can_loop_playback
|
|
controller.mediabar.actions['playbackLoop'].setChecked(controller.media_info.can_loop_playback)
|
|
|
|
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
|
|
"""
|
|
self.media_stop(msg[0])
|
|
|
|
def on_media_stop(self):
|
|
"""
|
|
Responds to the request to stop a loaded video from the web.
|
|
"""
|
|
self.media_stop(Registry().get('live_controller'))
|
|
|
|
def media_stop(self, controller, looping_background=False):
|
|
"""
|
|
Responds to the request to stop a loaded video
|
|
|
|
:param controller: The controller that needs to be stopped
|
|
:param looping_background: The background is looping so do not blank.
|
|
"""
|
|
display = self._define_display(controller)
|
|
if controller.controller_type in self.current_media_players:
|
|
# if not looping_background:
|
|
# display.frame.runJavaScript('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)
|
|
total_seconds = controller.media_info.length // 1000
|
|
total_minutes = total_seconds // 60
|
|
total_seconds %= 60
|
|
controller.position_label.setText(' %02d:%02d / %02d:%02d' % (0, 0, total_minutes, total_seconds))
|
|
controller.mediabar.actions['playbackPlay'].setVisible(True)
|
|
controller.mediabar.actions['playbackStop'].setDisabled(True)
|
|
controller.mediabar.actions['playbackPause'].setVisible(False)
|
|
controller.media_info.is_playing = False
|
|
controller.media_info.timer = 1000
|
|
controller.media_timer = 0
|
|
|
|
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 {vol}'.format(vol=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
|
|
"""
|
|
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.
|
|
"""
|
|
display = self._define_display(controller)
|
|
self.current_media_players[controller.controller_type].seek(display, seek_value)
|
|
controller.media_info.timer = seek_value
|
|
|
|
def media_reset(self, controller):
|
|
"""
|
|
Responds to the request to reset a loaded video
|
|
:param controller: The controller to use.
|
|
"""
|
|
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.runJavaScript('show_video("setBackBoard", 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].get_live_state() == MediaState.Playing:
|
|
self.media_pause(display.controller)
|
|
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.live_controller.controller_type in self.current_media_players and \
|
|
self.current_media_players[self.live_controller.controller_type].get_live_state() == MediaState.Playing:
|
|
self.media_pause(display.controller)
|
|
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].get_live_state() != \
|
|
MediaState.Playing:
|
|
if self.media_play(display.controller):
|
|
self.current_media_players[self.live_controller.controller_type].set_visible(display, True)
|
|
# Start Timer for ui updates
|
|
if not self.live_timer.isActive():
|
|
self.live_timer.start()
|
|
|
|
def finalise(self):
|
|
"""
|
|
Reset all the media controllers when OpenLP shuts down
|
|
"""
|
|
self.live_timer.stop()
|
|
self.preview_timer.stop()
|
|
self.media_reset(self.display_controllers(DisplayControllerType.Live))
|
|
self.media_reset(self.display_controllers(DisplayControllerType.Preview))
|
|
|
|
@staticmethod
|
|
def _define_display(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
|