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from Components.Converter.Converter import Converter
from enigma import iServiceInformation, iPlayableService
from Components.Element import cached
class ServiceInfo(Converter, object):
HAS_TELETEXT = 0
IS_MULTICHANNEL = 1
IS_CRYPTED = 2
IS_WIDESCREEN = 3
SUBSERVICES_AVAILABLE = 4
XRES = 5
YRES = 6
def __init__(self, type):
Converter.__init__(self, type)
self.type = {
"HasTelext": self.HAS_TELETEXT,
"IsMultichannel": self.IS_MULTICHANNEL,
"IsCrypted": self.IS_CRYPTED,
"IsWidescreen": self.IS_WIDESCREEN,
"SubservicesAvailable": self.SUBSERVICES_AVAILABLE,
"VideoWidth": self.XRES,
"VideoHeight": self.YRES,
}[type]
self.interesting_events = {
self.HAS_TELETEXT: [iPlayableService.evUpdatedInfo],
self.IS_MULTICHANNEL: [iPlayableService.evUpdatedInfo],
self.IS_CRYPTED: [iPlayableService.evUpdatedInfo],
self.IS_WIDESCREEN: [iPlayableService.evVideoSizeChanged],
self.SUBSERVICES_AVAILABLE: [iPlayableService.evUpdatedEventInfo],
self.XRES: [iPlayableService.evVideoSizeChanged],
self.YRES: [iPlayableService.evVideoSizeChanged],
}[self.type]
def getServiceInfoString(self, info, what):
v = info.getInfo(what)
if v == -1:
return "N/A"
if v == -2:
return info.getInfoString(what)
return "%d" % v
@cached
def getBoolean(self):
service = self.source.service
info = service and service.info()
if not info:
return False
if self.type == self.HAS_TELETEXT:
tpid = info.getInfo(iServiceInformation.sTXTPID)
return tpid != -1
elif self.type == self.IS_MULTICHANNEL:
# FIXME. but currently iAudioTrackInfo doesn't provide more information.
audio = service.audioTracks()
if audio:
n = audio.getNumberOfTracks()
for x in range(n):
i = audio.getTrackInfo(x)
description = i.getDescription();
if description.find("AC3") != -1 or description.find("DTS") != -1:
return True
return False
elif self.type == self.IS_CRYPTED:
return info.getInfo(iServiceInformation.sIsCrypted) == 1
elif self.type == self.IS_WIDESCREEN:
return info.getInfo(iServiceInformation.sAspect) in [3, 4, 7, 8, 0xB, 0xC, 0xF, 0x10]
elif self.type == self.SUBSERVICES_AVAILABLE:
subservices = service.subServices()
return subservices and subservices.getNumberOfSubservices() > 0
boolean = property(getBoolean)
@cached
def getText(self):
service = self.source.service
info = service and service.info()
if not info:
return ""
if self.type == self.XRES:
return self.getServiceInfoString(info, iServiceInformation.sVideoWidth)
if self.type == self.YRES:
return self.getServiceInfoString(info, iServiceInformation.sVideoHeight)
return ""
text = property(getText)
@cached
def getValue(self):
service = self.source.service
info = service and service.info()
if not info:
return -1
if self.type == self.XRES:
return info.getInfo(iServiceInformation.sVideoWidth)
if self.type == self.YRES:
return info.getInfo(iServiceInformation.sVideoHeight)
return -1
value = property(getValue)
def changed(self, what):
if what[0] != self.CHANGED_SPECIFIC or what[1] in self.interesting_events:
Converter.changed(self, what)
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