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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
APID = 7
VPID = 8
PCRPID = 9
PMTPID = 10
TXTPID = 11
TSID = 12
ONID = 13
SID = 14
FRAMERATE = 15
TRANSFERBPS = 16
def __init__(self, type):
Converter.__init__(self, type)
self.type, self.interesting_events = {
"HasTelext": (self.HAS_TELETEXT, (iPlayableService.evUpdatedInfo,)),
"IsMultichannel": (self.IS_MULTICHANNEL, (iPlayableService.evUpdatedInfo,)),
"IsCrypted": (self.IS_CRYPTED, (iPlayableService.evUpdatedInfo,)),
"IsWidescreen": (self.IS_WIDESCREEN, (iPlayableService.evVideoSizeChanged,)),
"SubservicesAvailable": (self.SUBSERVICES_AVAILABLE, (iPlayableService.evUpdatedEventInfo,)),
"VideoWidth": (self.XRES, (iPlayableService.evVideoSizeChanged,)),
"VideoHeight": (self.YRES, (iPlayableService.evVideoSizeChanged,)),
"AudioPid": (self.APID, (iPlayableService.evUpdatedInfo,)),
"VideoPid": (self.VPID, (iPlayableService.evUpdatedInfo,)),
"PcrPid": (self.PCRPID, (iPlayableService.evUpdatedInfo,)),
"PmtPid": (self.PMTPID, (iPlayableService.evUpdatedInfo,)),
"TxtPid": (self.TXTPID, (iPlayableService.evUpdatedInfo,)),
"TsId": (self.TSID, (iPlayableService.evUpdatedInfo,)),
"OnId": (self.ONID, (iPlayableService.evUpdatedInfo,)),
"Sid": (self.SID, (iPlayableService.evUpdatedInfo,)),
"Framerate": (self.FRAMERATE, (iPlayableService.evVideoSizeChanged,iPlayableService.evUpdatedInfo,)),
"TransferBPS": (self.TRANSFERBPS, (iPlayableService.evUpdatedInfo,)),
}[type]
def getServiceInfoString(self, info, what, convert = lambda x: "%d" % x):
v = info.getInfo(what)
if v == -1:
return "N/A"
if v == -2:
return info.getInfoString(what)
return convert(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()
idx = 0
while idx < n:
i = audio.getTrackInfo(idx)
description = i.getDescription();
if "AC3" in description or "DTS" in description:
return True
idx += 1
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)
elif self.type == self.YRES:
return self.getServiceInfoString(info, iServiceInformation.sVideoHeight)
elif self.type == self.APID:
return self.getServiceInfoString(info, iServiceInformation.sAudioPID)
elif self.type == self.VPID:
return self.getServiceInfoString(info, iServiceInformation.sVideoPID)
elif self.type == self.PCRPID:
return self.getServiceInfoString(info, iServiceInformation.sPCRPID)
elif self.type == self.PMTPID:
return self.getServiceInfoString(info, iServiceInformation.sPMTPID)
elif self.type == self.TXTPID:
return self.getServiceInfoString(info, iServiceInformation.sTXTPID)
elif self.type == self.TSID:
return self.getServiceInfoString(info, iServiceInformation.sTSID)
elif self.type == self.ONID:
return self.getServiceInfoString(info, iServiceInformation.sONID)
elif self.type == self.SID:
return self.getServiceInfoString(info, iServiceInformation.sSID)
elif self.type == self.FRAMERATE:
return self.getServiceInfoString(info, iServiceInformation.sFrameRate, lambda x: "%d fps" % ((x+500)/1000))
elif self.type == self.TRANSFERBPS:
return self.getServiceInfoString(info, iServiceInformation.sTransferBPS, lambda x: "%d kB/s" % (x/1024))
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)
if self.type == self.FRAMERATE:
return info.getInfo(iServiceInformation.sFrameRate)
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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