PlexKodiConnect/resources/lib/playback.py
2018-01-28 17:21:28 +01:00

354 lines
13 KiB
Python

"""
Used to kick off Kodi playback
"""
from logging import getLogger
from threading import Thread
from urllib import urlencode
from xbmc import Player, sleep
from PlexAPI import API
from PlexFunctions import GetPlexMetadata, init_plex_playqueue
from downloadutils import DownloadUtils as DU
import plexdb_functions as plexdb
import playlist_func as PL
import playqueue as PQ
from playutils import PlayUtils
from PKC_listitem import PKC_ListItem
from pickler import pickle_me, Playback_Successful
import json_rpc as js
from utils import window, settings, dialog, language as lang, tryEncode
from plexbmchelper.subscribers import LOCKER
import variables as v
import state
###############################################################################
LOG = getLogger("PLEX." + __name__)
###############################################################################
def process_indirect(key, offset, resolve=True):
"""
Called e.g. for Plex "Play later" - Plex items where we need to fetch an
additional xml for the actual playurl. In the PMS metadata, indirect="1" is
set.
Will release default.py with setResolvedUrl
Set resolve to False if playback should be kicked off directly, not via
setResolvedUrl
"""
LOG.info('process_indirect called with key: %s, offset: %s', key, offset)
result = Playback_Successful()
if key.startswith('http') or key.startswith('{server}'):
xml = DU().downloadUrl(key)
else:
xml = DU().downloadUrl('{server}%s' % key)
try:
xml[0].attrib
except (TypeError, IndexError, AttributeError):
LOG.error('Could not download PMS metadata')
if resolve is True:
# Release default.py
pickle_me(result)
return
if offset != '0':
offset = int(v.PLEX_TO_KODI_TIMEFACTOR * float(offset))
# Todo: implement offset
api = API(xml[0])
listitem = PKC_ListItem()
api.CreateListItemFromPlexItem(listitem)
playqueue = PQ.get_playqueue_from_type(
v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[api.getType()])
playqueue.clear()
item = PL.Playlist_Item()
item.xml = xml[0]
item.offset = int(offset)
item.plex_type = v.PLEX_TYPE_CLIP
item.playmethod = 'DirectStream'
item.init_done = True
# Need to get yet another xml to get the final playback url
xml = DU().downloadUrl('http://node.plexapp.com:32400%s'
% xml[0][0][0].attrib['key'])
try:
xml[0].attrib
except (TypeError, IndexError, AttributeError):
LOG.error('Could not download last xml for playurl')
if resolve is True:
# Release default.py
pickle_me(result)
return
playurl = xml[0].attrib['key']
item.file = playurl
listitem.setPath(tryEncode(playurl))
playqueue.items.append(item)
if resolve is True:
result.listitem = listitem
pickle_me(result)
else:
thread = Thread(target=Player().play,
args={'item': tryEncode(playurl), 'listitem': listitem})
thread.setDaemon(True)
LOG.info('Done initializing PKC playback, starting Kodi player')
thread.start()
@LOCKER.lockthis
def playback_triage(plex_id=None, plex_type=None, path=None, resolve=True):
"""
Hit this function for addon path playback, Plex trailers, etc.
Will setup playback first, then on second call complete playback.
Will set Playback_Successful() with potentially a PKC_ListItem() attached
(to be consumed by setResolvedURL in default.py)
If trailers or additional (movie-)parts are added, default.py is released
and a completely new player instance is called with a new playlist. This
circumvents most issues with Kodi & playqueues
Set resolve to False if you do not want setResolvedUrl to be called on
the first pass - e.g. if you're calling this function from the original
service.py Python instance
"""
LOG.info('playback_triage called with plex_id %s, plex_type %s, path %s',
plex_id, plex_type, path)
if not state.AUTHENTICATED:
LOG.error('Not yet authenticated for PMS, abort starting playback')
if resolve is True:
# Release default.py
pickle_me(Playback_Successful())
# "Unauthorized for PMS"
dialog('notification', lang(29999), lang(30017))
return
playqueue = PQ.get_playqueue_from_type(
v.KODI_PLAYLIST_TYPE_FROM_PLEX_TYPE[plex_type])
pos = js.get_position(playqueue.playlistid)
# Can return -1 (as in "no playlist")
pos = pos if pos != -1 else 0
LOG.info('playQueue position: %s for %s', pos, playqueue)
# Have we already initiated playback?
try:
playqueue.items[pos]
except IndexError:
# Release our default.py before starting our own Kodi player instance
if resolve is True:
result = Playback_Successful()
result.listitem = PKC_ListItem(path='PKC_Dummy_Path_Which_Fails')
pickle_me(result)
playback_init(plex_id, plex_type, playqueue)
else:
# kick off playback on second pass
conclude_playback(playqueue, pos)
def play_resume(playqueue, xml, stack):
"""
If there exists a resume point, Kodi will ask the user whether to continue
playback. We thus need to use setResolvedUrl "correctly". Mind that there
might be several parts!
"""
result = Playback_Successful()
listitem = PKC_ListItem()
# Only get the very first item of our playqueue (i.e. the very first part)
stack_item = stack.pop(0)
api = API(xml[0])
item = PL.playlist_item_from_xml(playqueue,
xml[0],
kodi_id=stack_item['kodi_id'],
kodi_type=stack_item['kodi_type'])
api.setPartNumber(item.part)
item.playcount = stack_item['playcount']
item.offset = stack_item['offset']
item.part = stack_item['part']
item.init_done = True
api.CreateListItemFromPlexItem(listitem)
playutils = PlayUtils(api, item)
playurl = playutils.getPlayUrl()
listitem.setPath(tryEncode(playurl))
if item.playmethod in ('DirectStream', 'DirectPlay'):
listitem.setSubtitles(api.externalSubs())
else:
playutils.audio_subtitle_prefs(listitem)
result.listitem = listitem
# Add to our playlist
playqueue.items.append(item)
# This will release default.py with setResolvedUrl
pickle_me(result)
# Add remaining parts to the playlist, if any
if stack:
_process_stack(playqueue, stack)
def playback_init(plex_id, plex_type, playqueue):
"""
Playback setup if Kodi starts playing an item for the first time.
"""
LOG.info('Initializing PKC playback')
contextmenu_play = window('plex_contextplay') == 'true'
window('plex_contextplay', clear=True)
xml = GetPlexMetadata(plex_id)
try:
xml[0].attrib
except (IndexError, TypeError, AttributeError):
LOG.error('Could not get a PMS xml for plex id %s', plex_id)
# "Play error"
dialog('notification', lang(29999), lang(30128), icon='{error}')
return
trailers = False
if (plex_type == v.PLEX_TYPE_MOVIE and not state.RESUMABLE and
settings('enableCinema') == "true"):
if settings('askCinema') == "true":
# "Play trailers?"
trailers = dialog('yesno', lang(29999), lang(33016))
trailers = True if trailers else False
else:
trailers = True
LOG.info('Playing trailers: %s', trailers)
# Post to the PMS to create a playqueue - in any case due to Plex Companion
xml = init_plex_playqueue(plex_id,
xml.attrib.get('librarySectionUUID'),
mediatype=plex_type,
trailers=trailers)
if xml is None:
LOG.error('Could not get a playqueue xml for plex id %s, UUID %s',
plex_id, xml.attrib.get('librarySectionUUID'))
# "Play error"
dialog('notification', lang(29999), lang(30128), icon='{error}')
return
# Should already be empty, but just in case
playqueue.clear()
PL.get_playlist_details_from_xml(playqueue, xml)
stack = _prep_playlist_stack(xml)
# Sleep a bit to let setResolvedUrl do its thing - bit ugly
sleep(200)
_process_stack(playqueue, stack)
# New thread to release this one sooner (e.g. harddisk spinning up)
thread = Thread(target=Player().play,
args=(playqueue.kodi_pl, ))
thread.setDaemon(True)
LOG.info('Done initializing PKC playback, starting Kodi player')
# By design, PKC will start Kodi playback using Player().play(). Kodi
# caches paths like our plugin://pkc. If we use Player().play() between
# 2 consecutive startups of exactly the same Kodi library item, Kodi's
# cache will have been flushed for some reason. Hence the 2nd call for
# plugin://pkc will be lost; Kodi will try to startup playback for an empty
# path: log entry is "CGUIWindowVideoBase::OnPlayMedia <missing path>"
thread.start()
def _prep_playlist_stack(xml):
stack = []
for item in xml:
api = API(item)
if api.getType() != v.PLEX_TYPE_CLIP:
with plexdb.Get_Plex_DB() as plex_db:
plex_dbitem = plex_db.getItem_byId(api.getRatingKey())
kodi_id = plex_dbitem[0] if plex_dbitem else None
kodi_type = plex_dbitem[4] if plex_dbitem else None
else:
# We will never store clips (trailers) in the Kodi DB
kodi_id = None
kodi_type = None
for part, _ in enumerate(item[0]):
api.setPartNumber(part)
if kodi_id is None:
# Need to redirect again to PKC to conclude playback
params = {
'mode': 'play',
'plex_id': api.getRatingKey(),
'plex_type': api.getType()
}
path = ('plugin://plugin.video.plexkodiconnect?%s'
% urlencode(params))
listitem = api.CreateListItemFromPlexItem()
listitem.setPath(tryEncode(path))
else:
# Will add directly via the Kodi DB
path = None
listitem = None
stack.append({
'kodi_id': kodi_id,
'kodi_type': kodi_type,
'file': path,
'xml_video_element': item,
'listitem': listitem,
'part': part,
'playcount': api.getViewCount(),
'offset': api.getResume()
})
return stack
def _process_stack(playqueue, stack):
"""
Takes our stack and adds the items to the PKC and Kodi playqueues.
"""
# getposition() can return -1
pos = max(playqueue.kodi_pl.getposition(), 0) + 1
for item in stack:
if item['kodi_id'] is None:
playlist_item = PL.add_listitem_to_Kodi_playlist(
playqueue,
pos,
item['listitem'],
file=item['file'],
xml_video_element=item['xml_video_element'])
else:
# Directly add element so we have full metadata
playlist_item = PL.add_item_to_kodi_playlist(
playqueue,
pos,
kodi_id=item['kodi_id'],
kodi_type=item['kodi_type'],
xml_video_element=item['xml_video_element'])
playlist_item.playcount = item['playcount']
playlist_item.offset = item['offset']
playlist_item.part = item['part']
playlist_item.init_done = True
pos += 1
def conclude_playback(playqueue, pos):
"""
ONLY if actually being played (e.g. at 5th position of a playqueue).
Decide on direct play, direct stream, transcoding
path to
direct paths: file itself
PMS URL
Web URL
audiostream (e.g. let user choose)
subtitle stream (e.g. let user choose)
Init Kodi Playback (depending on situation):
start playback
return PKC listitem attached to result
"""
LOG.info('Concluding playback for playqueue position %s', pos)
result = Playback_Successful()
listitem = PKC_ListItem()
item = playqueue.items[pos]
if item.xml is not None:
# Got a Plex element
api = API(item.xml)
api.setPartNumber(item.part)
api.CreateListItemFromPlexItem(listitem)
playutils = PlayUtils(api, item)
playurl = playutils.getPlayUrl()
else:
playurl = item.file
listitem.setPath(tryEncode(playurl))
if item.playmethod in ('DirectStream', 'DirectPlay'):
listitem.setSubtitles(api.externalSubs())
else:
playutils.audio_subtitle_prefs(listitem)
if state.RESUME_PLAYBACK is True:
state.RESUME_PLAYBACK = False
LOG.info('Resuming playback at %s', item.offset)
listitem.setProperty('StartOffset', str(item.offset))
listitem.setProperty('resumetime', str(item.offset))
# Reset the resumable flag
state.RESUMABLE = False
result.listitem = listitem
pickle_me(result)
LOG.info('Done concluding playback')