456 lines
17 KiB
Python
456 lines
17 KiB
Python
"""
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Used to kick off Kodi playback
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"""
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from logging import getLogger
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from threading import Thread
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from os.path import join
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from xbmc import Player, sleep
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from PlexAPI import API
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from PlexFunctions import GetPlexMetadata, init_plex_playqueue
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from downloadutils import DownloadUtils as DU
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import plexdb_functions as plexdb
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import kodidb_functions as kodidb
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import playlist_func as PL
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import playqueue as PQ
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from playutils import PlayUtils
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from PKC_listitem import PKC_ListItem
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from pickler import pickle_me, Playback_Successful
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import json_rpc as js
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from utils import settings, dialog, language as lang, try_encode
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from plexbmchelper.subscribers import LOCKER
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import variables as v
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import state
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###############################################################################
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LOG = getLogger("PLEX." + __name__)
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# Do we need to return ultimately with a setResolvedUrl?
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RESOLVE = True
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# We're "failing" playback with a video of 0 length
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NULL_VIDEO = join(v.ADDON_FOLDER, 'addons', v.ADDON_ID, 'empty_video.mp4')
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###############################################################################
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@LOCKER.lockthis
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def playback_triage(plex_id=None, plex_type=None, path=None, resolve=True):
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"""
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Hit this function for addon path playback, Plex trailers, etc.
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Will setup playback first, then on second call complete playback.
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Will set Playback_Successful() with potentially a PKC_ListItem() attached
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(to be consumed by setResolvedURL in default.py)
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If trailers or additional (movie-)parts are added, default.py is released
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and a completely new player instance is called with a new playlist. This
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circumvents most issues with Kodi & playqueues
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Set resolve to False if you do not want setResolvedUrl to be called on
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the first pass - e.g. if you're calling this function from the original
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service.py Python instance
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"""
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LOG.info('playback_triage called with plex_id %s, plex_type %s, path %s, '
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'resolve %s,', plex_id, plex_type, path, resolve)
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global RESOLVE
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# If started via Kodi context menu, we never resolve
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RESOLVE = resolve if not state.CONTEXT_MENU_PLAY else False
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if not state.AUTHENTICATED:
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LOG.error('Not yet authenticated for PMS, abort starting playback')
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# "Unauthorized for PMS"
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dialog('notification', lang(29999), lang(30017))
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_ensure_resolve(abort=True)
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return
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playqueue = PQ.get_playqueue_from_type(
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v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[plex_type])
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pos = js.get_position(playqueue.playlistid)
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# Can return -1 (as in "no playlist")
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pos = pos if pos != -1 else 0
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LOG.debug('playQueue position %s for %s', pos, playqueue)
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# Have we already initiated playback?
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try:
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item = playqueue.items[pos]
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except IndexError:
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initiate = True
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else:
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initiate = True if item.plex_id != plex_id else False
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if initiate:
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_playback_init(plex_id, plex_type, playqueue, pos)
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else:
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# kick off playback on second pass
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_conclude_playback(playqueue, pos)
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def _playback_init(plex_id, plex_type, playqueue, pos):
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"""
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Playback setup if Kodi starts playing an item for the first time.
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"""
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LOG.info('Initializing PKC playback')
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xml = GetPlexMetadata(plex_id)
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try:
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xml[0].attrib
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except (IndexError, TypeError, AttributeError):
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LOG.error('Could not get a PMS xml for plex id %s', plex_id)
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# "Play error"
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dialog('notification', lang(29999), lang(30128), icon='{error}')
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_ensure_resolve(abort=True)
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return
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if playqueue.kodi_pl.size() > 1:
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# Special case - we already got a filled Kodi playqueue
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try:
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_init_existing_kodi_playlist(playqueue, pos)
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except PL.PlaylistError:
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LOG.error('Playback_init for existing Kodi playlist failed')
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_ensure_resolve(abort=True)
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return
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# Now we need to use setResolvedUrl for the item at position ZERO
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# playqueue.py will pick up the missing items
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_conclude_playback(playqueue, 0)
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return
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# "Usual" case - consider trailers and parts and build both Kodi and Plex
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# playqueues
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# Pass dummy PKC video with 0 length so Kodi immediately stops playback
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# and we can build our own playqueue.
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_ensure_resolve()
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api = API(xml[0])
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trailers = False
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if (plex_type == v.PLEX_TYPE_MOVIE and not api.resume_point() and
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settings('enableCinema') == "true"):
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if settings('askCinema') == "true":
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# "Play trailers?"
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trailers = dialog('yesno', lang(29999), lang(33016))
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trailers = True if trailers else False
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else:
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trailers = True
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LOG.debug('Playing trailers: %s', trailers)
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if RESOLVE:
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# Sleep a bit to let setResolvedUrl do its thing - bit ugly
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while not state.PKC_CAUSED_STOP_DONE:
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sleep(50)
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playqueue.clear()
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if plex_type != v.PLEX_TYPE_CLIP:
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# Post to the PMS to create a playqueue - in any case due to Companion
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xml = init_plex_playqueue(plex_id,
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xml.attrib.get('librarySectionUUID'),
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mediatype=plex_type,
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trailers=trailers)
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if xml is None:
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LOG.error('Could not get a playqueue xml for plex id %s, UUID %s',
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plex_id, xml.attrib.get('librarySectionUUID'))
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# "Play error"
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dialog('notification', lang(29999), lang(30128), icon='{error}')
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# Do NOT use _ensure_resolve() because we resolved above already
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state.CONTEXT_MENU_PLAY = False
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state.FORCE_TRANSCODE = False
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state.RESUME_PLAYBACK = False
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return
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PL.get_playlist_details_from_xml(playqueue, xml)
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stack = _prep_playlist_stack(xml)
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_process_stack(playqueue, stack)
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# Always resume if playback initiated via PMS and there IS a resume
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# point
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offset = api.resume_point() * 1000 if state.CONTEXT_MENU_PLAY else None
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# Reset some playback variables
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state.CONTEXT_MENU_PLAY = False
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state.FORCE_TRANSCODE = False
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# New thread to release this one sooner (e.g. harddisk spinning up)
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thread = Thread(target=threaded_playback,
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args=(playqueue.kodi_pl, pos, offset))
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thread.setDaemon(True)
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LOG.info('Done initializing playback, starting Kodi player at pos %s and '
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'resume point %s', pos, offset)
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# By design, PKC will start Kodi playback using Player().play(). Kodi
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# caches paths like our plugin://pkc. If we use Player().play() between
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# 2 consecutive startups of exactly the same Kodi library item, Kodi's
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# cache will have been flushed for some reason. Hence the 2nd call for
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# plugin://pkc will be lost; Kodi will try to startup playback for an empty
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# path: log entry is "CGUIWindowVideoBase::OnPlayMedia <missing path>"
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thread.start()
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# Ensure that PKC playqueue monitor ignores the changes we just made
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playqueue.pkc_edit = True
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def _ensure_resolve(abort=False):
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"""
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Will check whether RESOLVE=True and if so, fail Kodi playback startup
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with the path 'PKC_Dummy_Path_Which_Fails' using setResolvedUrl (and some
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pickling)
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This way we're making sure that other Python instances (calling default.py)
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will be destroyed.
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"""
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if RESOLVE:
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LOG.debug('Passing dummy path to Kodi')
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# if not state.CONTEXT_MENU_PLAY:
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# Because playback won't start with context menu play
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state.PKC_CAUSED_STOP = True
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state.PKC_CAUSED_STOP_DONE = False
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result = Playback_Successful()
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result.listitem = PKC_ListItem(path=NULL_VIDEO)
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pickle_me(result)
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if abort:
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# Reset some playback variables
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state.CONTEXT_MENU_PLAY = False
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state.FORCE_TRANSCODE = False
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state.RESUME_PLAYBACK = False
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def _init_existing_kodi_playlist(playqueue, pos):
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"""
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Will take the playqueue's kodi_pl with MORE than 1 element and initiate
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playback (without adding trailers)
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"""
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LOG.debug('Kodi playlist size: %s', playqueue.kodi_pl.size())
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kodi_items = js.playlist_get_items(playqueue.playlistid)
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if not kodi_items:
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raise PL.PlaylistError('No Kodi items returned')
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item = PL.init_Plex_playlist(playqueue, kodi_item=kodi_items[pos])
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item.force_transcode = state.FORCE_TRANSCODE
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# playqueue.py will add the rest - this will likely put the PMS under
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# a LOT of strain if the following Kodi setting is enabled:
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# Settings -> Player -> Videos -> Play next video automatically
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LOG.debug('Done init_existing_kodi_playlist')
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def _prep_playlist_stack(xml):
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stack = []
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for item in xml:
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api = API(item)
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if (state.CONTEXT_MENU_PLAY is False and
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api.plex_type() not in (v.PLEX_TYPE_CLIP, v.PLEX_TYPE_EPISODE)):
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# If user chose to play via PMS or force transcode, do not
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# use the item path stored in the Kodi DB
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with plexdb.Get_Plex_DB() as plex_db:
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plex_dbitem = plex_db.getItem_byId(api.plex_id())
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kodi_id = plex_dbitem[0] if plex_dbitem else None
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kodi_type = plex_dbitem[4] if plex_dbitem else None
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else:
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# We will never store clips (trailers) in the Kodi DB.
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# Also set kodi_id to None for playback via PMS, so that we're
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# using add-on paths.
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# Also do NOT associate episodes with library items for addon paths
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# as artwork lookup is broken (episode path does not link back to
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# season and show)
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kodi_id = None
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kodi_type = None
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for part, _ in enumerate(item[0]):
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api.set_part_number(part)
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if kodi_id is None:
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# Need to redirect again to PKC to conclude playback
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path = ('plugin://%s/?plex_id=%s&plex_type=%s&mode=play'
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% (v.ADDON_TYPE[api.plex_type()],
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api.plex_id(),
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api.plex_type()))
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listitem = api.create_listitem()
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listitem.setPath(try_encode(path))
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else:
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# Will add directly via the Kodi DB
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path = None
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listitem = None
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stack.append({
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'kodi_id': kodi_id,
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'kodi_type': kodi_type,
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'file': path,
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'xml_video_element': item,
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'listitem': listitem,
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'part': part,
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'playcount': api.viewcount(),
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'offset': api.resume_point(),
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'id': api.item_id()
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})
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return stack
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def _process_stack(playqueue, stack):
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"""
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Takes our stack and adds the items to the PKC and Kodi playqueues.
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"""
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# getposition() can return -1
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pos = max(playqueue.kodi_pl.getposition(), 0) + 1
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for item in stack:
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if item['kodi_id'] is None:
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playlist_item = PL.add_listitem_to_Kodi_playlist(
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playqueue,
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pos,
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item['listitem'],
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file=item['file'],
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xml_video_element=item['xml_video_element'])
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else:
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# Directly add element so we have full metadata
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playlist_item = PL.add_item_to_kodi_playlist(
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playqueue,
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pos,
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kodi_id=item['kodi_id'],
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kodi_type=item['kodi_type'],
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xml_video_element=item['xml_video_element'])
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playlist_item.playcount = item['playcount']
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playlist_item.offset = item['offset']
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playlist_item.part = item['part']
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playlist_item.id = item['id']
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playlist_item.force_transcode = state.FORCE_TRANSCODE
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pos += 1
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def _conclude_playback(playqueue, pos):
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"""
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ONLY if actually being played (e.g. at 5th position of a playqueue).
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Decide on direct play, direct stream, transcoding
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path to
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direct paths: file itself
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PMS URL
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Web URL
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audiostream (e.g. let user choose)
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subtitle stream (e.g. let user choose)
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Init Kodi Playback (depending on situation):
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start playback
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return PKC listitem attached to result
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"""
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LOG.info('Concluding playback for playqueue position %s', pos)
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result = Playback_Successful()
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listitem = PKC_ListItem()
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item = playqueue.items[pos]
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if item.xml is not None:
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# Got a Plex element
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api = API(item.xml)
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api.set_part_number(item.part)
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api.create_listitem(listitem)
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playutils = PlayUtils(api, item)
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playurl = playutils.getPlayUrl()
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else:
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playurl = item.file
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listitem.setPath(try_encode(playurl))
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if item.playmethod == 'DirectStream':
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listitem.setSubtitles(api.cache_external_subs())
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elif item.playmethod == 'Transcode':
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playutils.audio_subtitle_prefs(listitem)
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if state.RESUME_PLAYBACK is True:
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state.RESUME_PLAYBACK = False
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if (item.offset is None and
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item.plex_type not in (v.PLEX_TYPE_SONG, v.PLEX_TYPE_CLIP)):
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with plexdb.Get_Plex_DB() as plex_db:
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plex_dbitem = plex_db.getItem_byId(item.plex_id)
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file_id = plex_dbitem[1] if plex_dbitem else None
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with kodidb.GetKodiDB('video') as kodi_db:
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item.offset = kodi_db.get_resume(file_id)
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LOG.info('Resuming playback at %s', item.offset)
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listitem.setProperty('StartOffset', str(item.offset))
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listitem.setProperty('resumetime', str(item.offset))
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# Reset the resumable flag
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result.listitem = listitem
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pickle_me(result)
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LOG.info('Done concluding playback')
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def process_indirect(key, offset, resolve=True):
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"""
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Called e.g. for Plex "Play later" - Plex items where we need to fetch an
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additional xml for the actual playurl. In the PMS metadata, indirect="1" is
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set.
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Will release default.py with setResolvedUrl
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Set resolve to False if playback should be kicked off directly, not via
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setResolvedUrl
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"""
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LOG.info('process_indirect called with key: %s, offset: %s, resolve: %s',
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key, offset, resolve)
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global RESOLVE
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RESOLVE = resolve
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result = Playback_Successful()
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if key.startswith('http') or key.startswith('{server}'):
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xml = DU().downloadUrl(key)
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elif key.startswith('/system/services'):
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xml = DU().downloadUrl('http://node.plexapp.com:32400%s' % key)
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else:
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xml = DU().downloadUrl('{server}%s' % key)
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try:
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xml[0].attrib
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except (TypeError, IndexError, AttributeError):
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LOG.error('Could not download PMS metadata')
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_ensure_resolve(abort=True)
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return
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if offset != '0':
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offset = int(v.PLEX_TO_KODI_TIMEFACTOR * float(offset))
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# Todo: implement offset
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api = API(xml[0])
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listitem = PKC_ListItem()
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api.create_listitem(listitem)
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playqueue = PQ.get_playqueue_from_type(
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v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[api.plex_type()])
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playqueue.clear()
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item = PL.Playlist_Item()
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item.xml = xml[0]
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item.offset = int(offset)
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item.plex_type = v.PLEX_TYPE_CLIP
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item.playmethod = 'DirectStream'
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# Need to get yet another xml to get the final playback url
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xml = DU().downloadUrl('http://node.plexapp.com:32400%s'
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% xml[0][0][0].attrib['key'])
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try:
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xml[0].attrib
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except (TypeError, IndexError, AttributeError):
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LOG.error('Could not download last xml for playurl')
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_ensure_resolve(abort=True)
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return
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playurl = xml[0].attrib['key']
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item.file = playurl
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listitem.setPath(try_encode(playurl))
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playqueue.items.append(item)
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if resolve is True:
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result.listitem = listitem
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pickle_me(result)
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else:
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thread = Thread(target=Player().play,
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args={'item': try_encode(playurl),
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'listitem': listitem})
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thread.setDaemon(True)
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LOG.info('Done initializing PKC playback, starting Kodi player')
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thread.start()
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def play_xml(playqueue, xml, offset=None, start_plex_id=None):
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"""
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Play all items contained in the xml passed in. Called by Plex Companion.
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Either supply the ratingKey of the starting Plex element. Or set
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playqueue.selectedItemID
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"""
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LOG.info("play_xml called with offset %s, start_plex_id %s",
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offset, start_plex_id)
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stack = _prep_playlist_stack(xml)
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_process_stack(playqueue, stack)
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LOG.debug('Playqueue after play_xml update: %s', playqueue)
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if start_plex_id is not None:
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for startpos, item in enumerate(playqueue.items):
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if item.plex_id == start_plex_id:
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break
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else:
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startpos = 0
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else:
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for startpos, item in enumerate(playqueue.items):
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if item.id == playqueue.selectedItemID:
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break
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else:
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startpos = 0
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thread = Thread(target=threaded_playback,
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args=(playqueue.kodi_pl, startpos, offset))
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LOG.info('Done play_xml, starting Kodi player at position %s', startpos)
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thread.start()
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def threaded_playback(kodi_playlist, startpos, offset):
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"""
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Seek immediately after kicking off playback is not reliable.
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"""
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player = Player()
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player.play(kodi_playlist, None, False, startpos)
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if offset and offset != '0':
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i = 0
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while not player.isPlaying():
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sleep(100)
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i += 1
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if i > 100:
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LOG.error('Could not seek to %s', offset)
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return
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js.seek_to(int(offset))
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