1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
# -*- coding: utf-8 -*-
#
# This file is part of Linux Show Player
#
# Copyright 2012-2016 Francesco Ceruti <ceppofrancy@gmail.com>
# Copyright 2016 Thomas Achtner <info@offtools.de>
#
# Linux Show Player 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.
#
# Linux Show Player 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 Linux Show Player. If not, see <http://www.gnu.org/licenses/>.
import logging
from collections import namedtuple
from ola.OlaClient import OLADNotRunningException, OlaClient
from lisp.application import Application
from lisp.core.clock import Clock
from lisp.core.configuration import config
from lisp.core.has_properties import Property
from lisp.core.plugin import Plugin
from lisp.core.signal import Connection
from lisp.core.util import time_tuple
from lisp.cues.cue import Cue
from lisp.cues.cue_time import CueTime
from lisp.cues.media_cue import MediaCue
from lisp.plugins.timecode.timecode_settings import TimecodeCueSettings, \
TimecodeSettings
from lisp.ui import elogging
from lisp.ui.settings.app_settings import AppSettings
from lisp.ui.settings.cue_settings import CueSettingsRegistry
from lisp.ui.ui_utils import translate
TcFormatDef = namedtuple('TimecodeDef', ['format', 'millis'])
TcFormat = {
'FILM': TcFormatDef(format=OlaClient.TIMECODE_FILM, millis=1000 / 24),
'EBU': TcFormatDef(format=OlaClient.TIMECODE_EBU, millis=1000 / 25),
'SMPTE': TcFormatDef(format=OlaClient.TIMECODE_SMPTE, millis=1000 / 30)
}
class HRCueTime(CueTime):
_Clock = Clock(30) # 1000 /30 = 33.3333 milliseconds
class OlaTimecode:
def __init__(self):
try:
self.__client = OlaClient()
except OLADNotRunningException:
self.__client = None
self.__cue = None
self.__cue_time = None
self.__track = 0
self.__hres = config['Timecode'].getboolean('hres')
self.__format = TcFormat[config['Timecode']['format']].format
self.__millis = TcFormat[config['Timecode']['format']].millis
self.__replace_hours = False
self.__last_frame = -1
@property
def cue(self):
return self.__cue
def status(self):
return bool(self.__client)
def start_timecode(self, cue):
"""Start the timecode, using the given cue."""
# Test and create client, if needed, return on fail
if not self.__client:
try:
self.__client = OlaClient()
except OLADNotRunningException:
logging.debug('TIMECODE: Cannot track cue, OLA not running.')
return
# Load cue settings, if enabled, otherwise return
if not cue.timecode['enabled']:
return
# Stop the currently "running" timecode
self.stop_timecode()
# Reload format settings
self.__hres = config['Timecode'].getboolean('hres')
self.__format = TcFormat[config['Timecode']['format']].format
self.__millis = TcFormat[config['Timecode']['format']].millis
# Setup new cue and options
self.__cue = cue
self.__cue_time = HRCueTime(cue) if self.__hres else CueTime(cue)
self.__replace_hours = cue.timecode['replace_hours']
self.__track = cue.timecode['track']
# Start watching the new cue
self.__cue_time.notify.connect(
self.__send_timecode, Connection.QtQueued)
def stop_timecode(self, rclient=False, rcue=False):
"""Stop the timecode
:param rclient: Reset the client
:param rcue: Reset the cues
"""
if self.__cue_time is not None:
self.__cue_time.notify.disconnect(self.__send_timecode)
self.__last_frame = -1
if rclient:
self.__client = None
if rcue:
self.__cue = None
self.__cue_time = None
def __send_timecode(self, time):
tt = time_tuple(time)
frame = int(tt[3] / self.__millis)
if self.__hres:
if self.__last_frame == frame:
return
self.__last_frame = frame
try:
if not self.__replace_hours:
track = tt[0]
else:
track = self.__track
self.__client.SendTimeCode(self.__format,
track, tt[1], tt[2], frame)
except OLADNotRunningException:
self.stop_timecode(rclient=True, rcue=True)
elogging.error(
translate('Timecode', 'Cannot send timecode.'),
details=translate('Timecode', 'OLA has stopped.'))
except Exception as e:
self.stop_timecode(rclient=True, rcue=True)
elogging.exception('Cannot send timecode.', e, dialog=False)
class Timecode(Plugin):
Name = 'Timecode'
def __init__(self):
super().__init__()
self.__client = OlaTimecode()
self.__cues = set()
# Register a new Cue property to store settings
Cue.register_property('timecode', Property(default={}))
# Register cue-settings-page
CueSettingsRegistry().add_item(TimecodeCueSettings, MediaCue)
# Register pref-settings-page
AppSettings.register_settings_widget(TimecodeSettings)
# Watch cue-model changes
Application().cue_model.item_added.connect(self.__cue_added)
Application().cue_model.item_removed.connect(self.__cue_removed)
def init(self):
if not config['Timecode'].getboolean('enabled'):
logging.info('TIMECODE: disabled by application settings')
elif not self.__client.status():
logging.info('TIMECODE: disabled, OLA not running')
def reset(self):
self.__cues.clear()
self.__client.stop_timecode(rclient=True, rcue=True)
def __cue_changed(self, cue, property_name, value):
if property_name == 'timecode':
if value.get('enabled', False):
if cue.id not in self.__cues:
self.__cues.add(cue.id)
cue.started.connect(self.__cue_started, Connection.QtQueued)
else:
self.__cue_removed(cue)
def __cue_added(self, cue):
cue.property_changed.connect(self.__cue_changed)
self.__cue_changed(cue, 'timecode', cue.timecode)
def __cue_removed(self, cue):
try:
self.__cues.remove(cue.id)
if self.__client.cue is cue:
self.__client.stop_timecode(rcue=True)
cue.started.disconnect(self.__cue_started)
cue.property_changed.disconnect(self.__cue_changed)
except KeyError:
pass
def __cue_started(self, cue):
if config['Timecode'].getboolean('enabled'):
if cue is not self.__client.cue:
self.__client.start_timecode(cue)
elif cue is self.__client.cue:
self.__client.stop_timecode(rcue=True)
|
