PlexKodiConnect/resources/lib/playutils.py
2019-08-09 20:41:51 +02:00

372 lines
14 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, unicode_literals
from logging import getLogger
from .downloadutils import DownloadUtils as DU
from . import utils, app
from . import variables as v
###############################################################################
LOG = getLogger('PLEX.playutils')
###############################################################################
class PlayUtils():
def __init__(self, api, playqueue_item):
"""
init with api (PlexAPI wrapper of the PMS xml element) and
playqueue_item (PlaylistItem())
"""
self.api = api
self.item = playqueue_item
def getPlayUrl(self):
"""
Returns the playurl [unicode] for the part or returns None.
(movie might consist of several files)
"""
if self.api.mediastream_number() is None:
return
playurl = self.isDirectPlay()
if playurl is not None:
LOG.info("File is direct playing.")
self.item.playmethod = 'DirectPlay'
elif self.isDirectStream():
LOG.info("File is direct streaming.")
playurl = self.api.transcode_video_path('DirectStream')
self.item.playmethod = 'DirectStream'
else:
LOG.info("File is transcoding.")
playurl = self.api.transcode_video_path(
'Transcode',
quality={
'maxVideoBitrate': self.get_bitrate(),
'videoResolution': self.get_resolution(),
'videoQuality': '100',
'mediaBufferSize': int(
utils.settings('kodi_video_cache')) / 1024,
})
self.item.playmethod = 'Transcode'
LOG.info("The playurl is: %s", playurl)
self.item.file = playurl
return playurl
def isDirectPlay(self):
"""
Returns the path/playurl if we can direct play, None otherwise
"""
# True for e.g. plex.tv watch later
if self.api.should_stream() is True:
LOG.info("Plex item optimized for direct streaming")
return
# Check whether we have a strm file that we need to throw at Kodi 1:1
path = self.api.file_path()
if path is not None and path.endswith('.strm'):
LOG.info('.strm file detected')
playurl = self.api.validate_playurl(path,
self.api.plex_type,
force_check=True)
return playurl
# set to either 'Direct Stream=1' or 'Transcode=2'
# and NOT to 'Direct Play=0'
if utils.settings('playType') != "0":
# User forcing to play via HTTP
LOG.info("User chose to not direct play")
return
if self.mustTranscode():
return
return self.api.validate_playurl(path,
self.api.plex_type,
force_check=True)
def mustTranscode(self):
"""
Returns True if we need to transcode because
- codec is in h265
- 10bit video codec
- HEVC codec
- playqueue_item force_transcode is set to True
- state variable FORCE_TRANSCODE set to True
(excepting trailers etc.)
- video bitrate above specified settings bitrate
if the corresponding file settings are set to 'true'
"""
if self.api.plex_type in (v.PLEX_TYPE_CLIP, v.PLEX_TYPE_SONG):
LOG.info('Plex clip or music track, not transcoding')
return False
videoCodec = self.api.video_codec()
LOG.info("videoCodec: %s", videoCodec)
if self.item.force_transcode is True:
LOG.info('User chose to force-transcode')
return True
codec = videoCodec['videocodec']
if codec is None:
# e.g. trailers. Avoids TypeError with "'h265' in codec"
LOG.info('No codec from PMS, not transcoding.')
return False
if ((utils.settings('transcodeHi10P') == 'true' and
videoCodec['bitDepth'] == '10') and
('h264' in codec)):
LOG.info('Option to transcode 10bit h264 video content enabled.')
return True
try:
bitrate = int(videoCodec['bitrate'])
except (TypeError, ValueError):
LOG.info('No video bitrate from PMS, not transcoding.')
return False
if bitrate > self.get_max_bitrate():
LOG.info('Video bitrate of %s is higher than the maximal video'
'bitrate of %s that the user chose. Transcoding',
bitrate, self.get_max_bitrate())
return True
try:
resolution = int(videoCodec['resolution'])
except (TypeError, ValueError):
if videoCodec['resolution'] == '4k':
resolution = 2160
else:
LOG.info('No video resolution from PMS, not transcoding.')
return False
if 'h265' in codec or 'hevc' in codec:
if resolution >= self.getH265():
LOG.info('Option to transcode h265/HEVC enabled. Resolution '
'of the media: %s, transcoding limit resolution: %s',
resolution, self.getH265())
return True
return False
def isDirectStream(self):
# Never transcode Music
if self.api.plex_type == 'track':
return True
# set to 'Transcode=2'
if utils.settings('playType') == "2":
# User forcing to play via HTTP
LOG.info("User chose to transcode")
return False
if self.mustTranscode():
return False
return True
@staticmethod
def get_max_bitrate():
# get the addon video quality
videoQuality = utils.settings('maxVideoQualities')
bitrate = {
'0': 320,
'1': 720,
'2': 1500,
'3': 2000,
'4': 3000,
'5': 4000,
'6': 8000,
'7': 10000,
'8': 12000,
'9': 20000,
'10': 40000,
'11': 99999999 # deactivated
}
# max bit rate supported by server (max signed 32bit integer)
return bitrate.get(videoQuality, 2147483)
@staticmethod
def getH265():
"""
Returns the user settings for transcoding h265: boundary resolutions
of 480, 720 or 1080 as an int
OR 9999999 (int) if user chose not to transcode
"""
H265 = {
'0': 99999999,
'1': 480,
'2': 720,
'3': 1080
}
return H265[utils.settings('transcodeH265')]
@staticmethod
def get_bitrate():
"""
Get the desired transcoding bitrate from the settings
"""
videoQuality = utils.settings('transcoderVideoQualities')
bitrate = {
'0': 320,
'1': 720,
'2': 1500,
'3': 2000,
'4': 3000,
'5': 4000,
'6': 8000,
'7': 10000,
'8': 12000,
'9': 20000,
'10': 40000,
}
# max bit rate supported by server (max signed 32bit integer)
return bitrate.get(videoQuality, 2147483)
@staticmethod
def get_resolution():
"""
Get the desired transcoding resolutions from the settings
"""
chosen = utils.settings('transcoderVideoQualities')
res = {
'0': '420x420',
'1': '576x320',
'2': '720x480',
'3': '1024x768',
'4': '1280x720',
'5': '1280x720',
'6': '1920x1080',
'7': '1920x1080',
'8': '1920x1080',
'9': '1920x1080',
'10': '1920x1080',
}
return res[chosen]
def audio_subtitle_prefs(self, listitem):
"""
For transcoding only
Called at the very beginning of play; used to change audio and subtitle
stream by a PUT request to the PMS
"""
# Set media and part where we're at
if (self.api.mediastream is None and
self.api.mediastream_number() is None):
return
try:
mediastreams = self.api.plex_media_streams()
except (TypeError, IndexError):
LOG.error('Could not get media %s, part %s',
self.api.mediastream, self.api.part)
return
part_id = mediastreams.attrib['id']
audio_streams_list = []
audio_streams = []
subtitle_streams_list = []
# No subtitles as an option
subtitle_streams = [utils.lang(39706)]
downloadable_streams = []
download_subs = []
# selectAudioIndex = ""
select_subs_index = ""
audio_numb = 0
# Remember 'no subtitles'
sub_num = 1
default_sub = None
for stream in mediastreams:
# Since Plex returns all possible tracks together, have to sort
# them.
index = stream.attrib.get('id')
typus = stream.attrib.get('streamType')
# Audio
if typus == "2":
codec = stream.attrib.get('codec')
channellayout = stream.attrib.get('audioChannelLayout', "")
try:
track = "%s %s - %s %s" % (audio_numb + 1,
stream.attrib['language'],
codec,
channellayout)
except KeyError:
track = "%s %s - %s %s" % (audio_numb + 1,
utils.lang(39707), # unknown
codec,
channellayout)
audio_streams_list.append(index)
audio_streams.append(utils.try_encode(track))
audio_numb += 1
# Subtitles
elif typus == "3":
try:
track = "%s %s" % (sub_num + 1, stream.attrib['language'])
except KeyError:
track = "%s %s (%s)" % (sub_num + 1,
utils.lang(39707), # unknown
stream.attrib.get('codec'))
default = stream.attrib.get('default')
forced = stream.attrib.get('forced')
downloadable = stream.attrib.get('key')
if default:
track = "%s - %s" % (track, utils.lang(39708)) # Default
if forced:
track = "%s - %s" % (track, utils.lang(39709)) # Forced
if downloadable:
# We do know the language - temporarily download
if 'language' in stream.attrib:
path = self.api.download_external_subtitles(
'{server}%s' % stream.attrib['key'],
"subtitle.%s.%s" % (stream.attrib['languageCode'],
stream.attrib['codec']))
# We don't know the language - no need to download
else:
path = self.api.attach_plex_token_to_url(
"%s%s" % (app.CONN.server,
stream.attrib['key']))
downloadable_streams.append(index)
download_subs.append(utils.try_encode(path))
else:
track = "%s (%s)" % (track, utils.lang(39710)) # burn-in
if stream.attrib.get('selected') == '1' and downloadable:
# Only show subs without asking user if they can be
# turned off
default_sub = index
subtitle_streams_list.append(index)
subtitle_streams.append(utils.try_encode(track))
sub_num += 1
if audio_numb > 1:
resp = utils.dialog('select', utils.lang(33013), audio_streams)
if resp > -1:
# User selected some audio track
args = {
'audioStreamID': audio_streams_list[resp],
'allParts': 1
}
DU().downloadUrl('{server}/library/parts/%s' % part_id,
action_type='PUT',
parameters=args)
if sub_num == 1:
# No subtitles
return
select_subs_index = None
if (utils.settings('pickPlexSubtitles') == 'true' and
default_sub is not None):
LOG.info('Using default Plex subtitle: %s', default_sub)
select_subs_index = default_sub
else:
resp = utils.dialog('select', utils.lang(33014), subtitle_streams)
if resp > 0:
select_subs_index = subtitle_streams_list[resp - 1]
else:
# User selected no subtitles or backed out of dialog
select_subs_index = ''
LOG.debug('Adding external subtitles: %s', download_subs)
# Enable Kodi to switch autonomously to downloadable subtitles
if download_subs:
listitem.setSubtitles(download_subs)
# Don't additionally burn in subtitles
if select_subs_index in downloadable_streams:
select_subs_index = ''
# Now prep the PMS for our choice
args = {
'subtitleStreamID': select_subs_index,
'allParts': 1
}
DU().downloadUrl('{server}/library/parts/%s' % part_id,
action_type='PUT',
parameters=args)