1 from Components.Converter.Converter import Converter
2 from enigma import iServiceInformation, iPlayableService
4 class ServiceInfo(Converter, object):
9 SUBSERVICES_AVAILABLE = 4
11 def __init__(self, type):
12 Converter.__init__(self, type)
14 "HasTelext": self.HAS_TELETEXT,
15 "IsMultichannel": self.IS_MULTICHANNEL,
16 "IsCrypted": self.IS_CRYPTED,
17 "IsWidescreen": self.IS_WIDESCREEN,
18 "SubservicesAvailable": self.SUBSERVICES_AVAILABLE,
21 self.interesting_events = {
22 self.HAS_TELETEXT: [iPlayableService.evUpdatedInfo],
23 self.IS_MULTICHANNEL: [iPlayableService.evUpdatedInfo],
24 self.IS_CRYPTED: [iPlayableService.evUpdatedInfo],
25 self.IS_WIDESCREEN: [iPlayableService.evUpdatedEventInfo],
26 self.SUBSERVICES_AVAILABLE: [iPlayableService.evUpdatedEventInfo]
29 def getServiceInfoValue(self, info, what):
30 v = info.getInfo(what)
33 return info.getInfoString(what)
36 if self.cache is None:
37 self.cache = self.__getBoolean()
40 def __getBoolean(self):
41 service = self.source.service
42 info = service and service.info()
46 if self.type == self.HAS_TELETEXT:
47 tpid = info.getInfo(iServiceInformation.sTXTPID)
49 elif self.type == self.IS_MULTICHANNEL:
50 # FIXME. but currently iAudioTrackInfo doesn't provide more information.
51 audio = service.audioTracks()
53 n = audio.getNumberOfTracks()
55 i = audio.getTrackInfo(x)
56 description = i.getDescription();
57 if description.find("AC3") != -1 or description.find("DTS") != -1:
60 elif self.type == self.IS_CRYPTED:
61 return info.getInfo(iServiceInformation.sIsCrypted) == 1
62 elif self.type == self.IS_WIDESCREEN:
63 return info.getInfo(iServiceInformation.sAspect) in [3, 4, 7, 8, 0xB, 0xC, 0xF, 0x10]
64 elif self.type == self.SUBSERVICES_AVAILABLE:
65 subservices = service.subServices()
66 return subservices and subservices.getNumberOfSubservices() > 0
68 boolean = property(getBoolean)
70 def changed(self, what):
71 if what[0] != self.CHANGED_SPECIFIC or what[1] in self.interesting_events:
72 Converter.changed(self, what)