openlp/openlp/plugins/media/lib/mediaitem.py

423 lines
19 KiB
Python

# -*- coding: utf-8 -*-
##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
# Copyright (c) 2008-2021 OpenLP Developers #
# ---------------------------------------------------------------------- #
# 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, either version 3 of the License, or #
# (at your option) any later version. #
# #
# 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, see <https://www.gnu.org/licenses/>. #
##########################################################################
import logging
import os
from pathlib import Path
from PyQt5 import QtCore, QtWidgets
from sqlalchemy.sql.expression import or_
from openlp.core.common import delete_file
from openlp.core.common.applocation import AppLocation
from openlp.core.common.i18n import UiStrings, translate
from openlp.core.common.path import create_paths
from openlp.core.common.registry import Registry
from openlp.core.lib import MediaType, ServiceItemContext
from openlp.core.lib.serviceitem import ItemCapabilities
from openlp.core.lib.ui import create_action, create_widget_action, critical_error_message_box
from openlp.core.state import State
from openlp.core.ui.icons import UiIcons
from openlp.core.ui.library import FolderLibraryItem
from openlp.core.ui.media import parse_optical_path, parse_stream_path, format_milliseconds, AUDIO_EXT, VIDEO_EXT
from openlp.core.ui.media.vlcplayer import get_vlc
from openlp.plugins.media.lib.db import Folder, Item
if get_vlc() is not None:
from openlp.plugins.media.forms.mediaclipselectorform import MediaClipSelectorForm
from openlp.plugins.media.forms.streamselectorform import StreamSelectorForm
from openlp.plugins.media.forms.networkstreamselectorform import NetworkStreamSelectorForm
log = logging.getLogger(__name__)
class MediaMediaItem(FolderLibraryItem):
"""
This is the custom media manager item for Media Slides.
"""
media_go_live = QtCore.pyqtSignal(list)
media_add_to_service = QtCore.pyqtSignal(list)
log.info('{name} MediaMediaItem loaded'.format(name=__name__))
def __init__(self, parent, plugin):
self.setup()
super(MediaMediaItem, self).__init__(parent, plugin, Folder, Item)
def retranslate_ui(self):
"""
This method is called automatically to provide OpenLP with the opportunity to translate the ``MediaManagerItem``
to another language.
"""
super().retranslate_ui()
self.on_new_prompt = translate('MediaPlugin.MediaItem', 'Select Media')
def setup_item(self):
"""
Do some additional setup.
"""
self.media_go_live.connect(self.go_live_remote)
self.media_add_to_service.connect(self.add_to_service_remote)
self.single_service_item = False
self.has_search = True
self.media_object = None
Registry().register_function('mediaitem_media_rebuild', self.rebuild_players)
# Allow DnD from the desktop
self.list_view.activateDnD()
def setup(self):
"""
Allow early setup to be mocked.
"""
self.icon_path = 'images/image'
self.background = False
self.automatic = ''
self.error_icon = UiIcons().delete
self.clapperboard = UiIcons().clapperboard
def required_icons(self):
"""
Set which icons the media manager tab should show
"""
super().required_icons()
self.has_file_icon = True
self.has_new_icon = False
self.has_edit_icon = False
if not State().check_preconditions('media'):
self.can_preview = False
self.can_make_live = False
self.can_add_to_service = False
if State().check_preconditions('media_live'):
self.can_make_live = True
def initialise(self):
"""
Initialize media item.
"""
self.log_debug('Initialise')
self.list_view.clear()
self.list_view.setIndentation(self.list_view.default_indentation)
self.list_view.allow_internal_dnd = True
self.service_path = AppLocation.get_section_data_path(self.settings_section) / 'thumbnails'
create_paths(self.service_path)
# Load images from the database
self.load_list(self.manager.get_all_objects(Item, order_by_ref=Item.file_path), is_initial_load=True)
self.service_path = AppLocation.get_section_data_path('media') / 'thumbnails'
self.rebuild_players()
def add_custom_context_actions(self):
"""
Add custom actions to the context menu.
"""
create_widget_action(self.list_view, separator=True)
create_widget_action(
self.list_view,
text=UiStrings().AddFolder, icon=UiIcons().folder, triggers=self.on_add_folder_click)
create_widget_action(
self.list_view,
text=translate('MediaPlugin', 'Add new media'),
icon=UiIcons().open, triggers=self.on_file_click)
create_widget_action(self.list_view, separator=True)
def setup_ui(self):
"""
Re-implement to add a dropdown menu to the load icon
"""
super().setup_ui()
if State().check_preconditions('media'):
optical_button_text = translate('MediaPlugin.MediaItem', 'Load CD/DVD')
optical_button_tooltip = translate('MediaPlugin.MediaItem', 'Load CD/DVD')
self.load_optical = create_action(self, 'load_optical',
icon=UiIcons().optical,
text=optical_button_text,
tooltip=optical_button_tooltip,
triggers=self.on_load_optical)
device_stream_button_text = translate('MediaPlugin.MediaItem', 'Open device stream')
device_stream_button_tooltip = translate('MediaPlugin.MediaItem', 'Open device stream')
self.open_stream = create_action(self, 'open_device_stream',
icon=UiIcons().device_stream,
text=device_stream_button_text,
tooltip=device_stream_button_tooltip,
triggers=self.on_open_device_stream)
network_stream_button_text = translate('MediaPlugin.MediaItem', 'Open network stream')
network_stream_button_tooltip = translate('MediaPlugin.MediaItem', 'Open network stream')
self.open_network_stream = create_action(self, 'open_network_stream',
icon=UiIcons().network_stream,
text=network_stream_button_text,
tooltip=network_stream_button_tooltip,
triggers=self.on_open_network_stream)
self.load_menu = QtWidgets.QMenu(self.toolbar)
self.load_menu.setObjectName('load_menu')
self.load_menu.addAction(self.load_optical)
self.load_menu.addAction(self.open_stream)
self.load_menu.addAction(self.open_network_stream)
self.toolbar.actions['mediaLoadAction'].setMenu(self.load_menu)
button = self.toolbar.widgetForAction(self.toolbar.actions['mediaLoadAction'])
button.setPopupMode(QtWidgets.QToolButton.MenuButtonPopup)
def generate_slide_data(self, service_item, *, item=None, remote=False, context=ServiceItemContext.Service,
**kwargs):
"""
Generate the slide data. Needs to be implemented by the plugin.
:param service_item: The service item to be built on
:param item: The Song item to be used
:param remote: Triggered from remote
:param context: Why is it being generated
:param kwargs: Consume other unused args specified by the base implementation, but not use by this one.
"""
if item is None:
item = self.list_view.currentItem()
if item is None:
return False
if isinstance(item, QtCore.QModelIndex):
item = self.list_view.itemFromIndex(item)
media_item = item.data(0, QtCore.Qt.UserRole)
if not isinstance(media_item, Item):
return False
filename = media_item.file_path
# Special handling if the filename is a optical clip
if filename.startswith('optical:'):
(name, title, audio_track, subtitle_track, start, end, clip_name) = parse_optical_path(filename)
if not os.path.exists(name):
if not remote:
# Optical disc is no longer present
critical_error_message_box(
translate('MediaPlugin.MediaItem', 'Missing Media File'),
translate('MediaPlugin.MediaItem',
'The optical disc {name} is no longer available.').format(name=name))
return False
service_item.processor = 'vlc'
service_item.add_capability(ItemCapabilities.IsOptical)
service_item.add_from_command(filename, name, self.clapperboard)
service_item.title = clip_name
# Set the length
service_item.set_media_length(end - start)
service_item.start_time = start
service_item.end_time = end
elif filename.startswith('devicestream:') or filename.startswith('networkstream:'):
# Special handling if the filename is a devicestream
(name, mrl, options) = parse_stream_path(filename)
service_item.processor = 'vlc'
service_item.add_capability(ItemCapabilities.CanStream)
service_item.add_from_command(filename, name, self.clapperboard)
service_item.title = name
else:
if not os.path.exists(filename):
if not remote:
# File is no longer present
critical_error_message_box(
translate('MediaPlugin.MediaItem', 'Missing Media File'),
translate('MediaPlugin.MediaItem', 'The file {name} no longer exists.').format(name=filename))
return False
(path, name) = os.path.split(filename)
service_item.title = name
service_item.processor = 'vlc'
service_item.add_from_command(path, name, self.clapperboard)
# Only get start and end times if going to a service
service_item.set_media_length(self.media_controller.media_length(filename))
service_item.add_capability(ItemCapabilities.CanAutoStartForLive)
service_item.add_capability(ItemCapabilities.CanEditTitle)
service_item.add_capability(ItemCapabilities.RequiresMedia)
if self.settings.value('media/media auto start') == QtCore.Qt.Checked:
service_item.will_auto_start = True
# force a non-existent theme
service_item.theme = -1
# validate the item after all capabilities has been added
service_item.validate_item()
return True
def rebuild_players(self):
"""
Rebuild the tab in the media manager when changes are made in the settings.
"""
# self.populate_display_types()
self.on_new_file_masks = translate('MediaPlugin.MediaItem',
'Videos ({video});;Audio ({audio});;{files} '
'(*)').format(video=' '.join(VIDEO_EXT),
audio=' '.join(AUDIO_EXT),
files=UiStrings().AllFiles)
def file_to_item(self, filename):
"""
Override the inherited file_to_item() method to handle various tracks
"""
if isinstance(filename, Path):
name = filename.name
filename = str(filename)
elif filename.startswith('optical:'):
# Handle optical based item
_, _, _, _, _, _, name = parse_optical_path(filename)
elif filename.startswith('devicestream:') or filename.startswith('networkstream:'):
name, _, _ = parse_stream_path(filename)
else:
name = os.path.basename(filename)
item = self.item_class(name=name, file_path=filename)
self.manager.save_object(item)
return item
def load_item(self, item, is_initial_load=False):
"""
Given an item object, return a QTreeWidgetItem
"""
track_str = str(item.file_path)
track_info = QtCore.QFileInfo(track_str)
tree_item = None
if track_str.startswith('optical:'):
# Handle optical based item
(file_name, title, audio_track, subtitle_track, start, end, clip_name) = parse_optical_path(track_str)
tree_item = QtWidgets.QTreeWidgetItem([clip_name])
tree_item.setText(0, clip_name)
tree_item.setIcon(0, UiIcons().optical)
tree_item.setToolTip(0, '{name}@{start}-{end}'.format(name=file_name,
start=format_milliseconds(start),
end=format_milliseconds(end)))
elif track_str.startswith('devicestream:') or track_str.startswith('networkstream:'):
(name, mrl, options) = parse_stream_path(track_str)
tree_item = QtWidgets.QTreeWidgetItem([name])
tree_item.setText(0, name)
if track_str.startswith('devicestream:'):
tree_item.setIcon(0, UiIcons().device_stream)
else:
tree_item.setIcon(0, UiIcons().network_stream)
tree_item.setToolTip(0, mrl)
elif not Path(item.file_path).exists():
# File doesn't exist, mark as error.
file_name = Path(item.file_path).name
tree_item = QtWidgets.QTreeWidgetItem([file_name])
tree_item.setText(0, file_name)
tree_item.setIcon(0, UiIcons().error)
tree_item.setToolTip(0, track_str)
elif track_info.isFile():
# Normal media file handling.
file_name = Path(item.file_path).name
tree_item = QtWidgets.QTreeWidgetItem([file_name])
tree_item.setText(0, file_name)
search = "*." + file_name.split('.')[-1].lower()
if search in AUDIO_EXT:
tree_item.setIcon(0, UiIcons().audio)
else:
tree_item.setIcon(0, UiIcons().video)
tree_item.setToolTip(0, track_str)
if tree_item:
tree_item.setData(0, QtCore.Qt.UserRole, item)
return tree_item
def delete_item(self, item):
"""
Delete any and all thumbnails and things associated with this media item
"""
delete_file(self.service_path / Path(item.file_path).name)
def format_search_result(self, item):
"""
Format an item for the search results
:param Item item: An Item to be formatted
:return list[str, str]: A list of two items containing the full path and a pretty name
"""
if Path(item.file_path).exists():
return [item.file_path, Path(item.file_path).name]
elif item.file_path.startswith('device'):
(name, _, _) = parse_stream_path(item.file_path)
return [item.file_path, name]
else:
return super().format_search_result(item)
def get_list(self, media_type=MediaType.Audio):
"""
Get the list of media, optional select media type.
:param media_type: Type to get, defaults to audio.
:return: The media list
"""
if media_type == MediaType.Audio:
extensions = AUDIO_EXT
else:
extensions = VIDEO_EXT
clauses = []
for extension in extensions:
# Drop the initial * and add to the list of clauses
clauses.append(Item.file_path.endswith(extension[1:]))
items = self.manager.get_all_objects(Item, or_(*clauses))
return [Path(item.file_path) for item in items]
def on_load_optical(self):
"""
When the load optical button is clicked, open the clip selector window.
"""
if get_vlc():
media_clip_selector_form = MediaClipSelectorForm(self, self.main_window, None)
media_clip_selector_form.exec()
del media_clip_selector_form
else:
critical_error_message_box(translate('MediaPlugin.MediaItem', 'VLC is not available'),
translate('MediaPlugin.MediaItem', 'Optical device support requires VLC.'))
def add_optical_clip(self, optical):
"""
Add a optical based clip to the mediamanager, called from media_clip_selector_form.
:param optical: The clip to add.
"""
self.validate_and_load([str(optical)])
def on_open_device_stream(self):
"""
When the open device stream button is clicked, open the stream selector window.
"""
if get_vlc():
stream_selector_form = StreamSelectorForm(self.main_window, self.add_device_stream)
stream_selector_form.exec()
del stream_selector_form
else:
critical_error_message_box(translate('MediaPlugin.MediaItem', 'VLC is not available'),
translate('MediaPlugin.MediaItem', 'Device streaming support requires VLC.'))
def add_device_stream(self, stream):
"""
Add a device stream based clip to the mediamanager, called from stream_selector_form.
:param stream: The clip to add.
"""
self.validate_and_load([str(stream)])
def on_open_network_stream(self):
"""
When the open network stream button is clicked, open the stream selector window.
"""
if get_vlc():
stream_selector_form = NetworkStreamSelectorForm(self.main_window, self.add_network_stream)
stream_selector_form.exec()
del stream_selector_form
else:
critical_error_message_box(translate('MediaPlugin.MediaItem', 'VLC is not available'),
translate('MediaPlugin.MediaItem', 'Network streaming support requires VLC.'))
def add_network_stream(self, stream):
"""
Add a network stream based clip to the mediamanager, called from stream_selector_form.
:param stream: The clip to add.
"""
self.validate_and_load([str(stream)])