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from enigma import eComponentScan, iDVBFrontend
from Components.NimManager import nimmanager as nimmgr
class ServiceScan:
Idle = 1
Running = 2
Done = 3
Error = 4
Errors = {
0: "error starting scanning",
1: "error while scanning",
2: "no resource manager",
3: "no channel list"
}
def scanStatusChanged(self):
if self.state == self.Running:
self.progressbar.setValue(self.scan.getProgress())
if self.scan.isDone():
errcode = self.scan.getError()
if errcode == 0:
self.state = self.Done
else:
self.state = self.Error
self.errorcode = errcode
self.network.setText("")
self.transponder.setText("")
else:
self.text.setText(_("scan in progress - %d %% done! %d services found!") % (self.scan.getProgress(), self.foundServices + self.scan.getNumServices()))
transponder = self.scan.getCurrentTransponder()
network = ""
tp_text = ""
if transponder:
tp_type = transponder.getSystem()
if not tp_type[0]:
tp_type = tp_type[1]
if tp_type == iDVBFrontend.feSatellite:
network = _("Satellite")
tp = transponder.getDVBS()
if not tp[0]:
tp = tp[1]
orb_pos = tp.orbital_position
try:
sat_name = str(nimmgr.getSatDescription(orb_pos))
except KeyError:
sat_name = ""
if orb_pos > 1800: # west
orb_pos = 3600 - orb_pos
h = _("W")
else:
h = _("E")
if sat_name.find("%d.%d" % (orb_pos/10, orb_pos%10)) != -1:
network = sat_name
else:
network = ("%s %d.%d %s") % (sat_name, orb_pos / 10, orb_pos % 10, h)
tp_text = ("%s %s %d%c / %d / %s") %( { 0 : "DVB-S", 1 : "DVB-S2" }[tp.system],
{ 0 : "Auto", 1 : "QPSK", 2 : "M8PSK", 3 : "QAM16" }[tp.modulation],
tp.frequency/1000,
{ 0 : 'H', 1 : 'V', 2 : 'L', 3 : 'R' }[tp.polarisation],
tp.symbol_rate/1000,
{ 0 : "AUTO", 1 : "1/2", 2 : "2/3", 3 : "3/4", 4 : "5/6",
5 : "7/8", 6 : "8/9", 7 : "3/5", 8 : "4/5", 9 : "9/10",
15 : "NONE" }[tp.fec] )
elif tp_type == iDVBFrontend.feCable:
network = _("Cable")
tp = transponder.getDVBC()
if not tp[0]:
tp = tp[1]
tp_text = ("DVB-C %s %d / %d / %s") %( { 0 : "AUTO", 1 : "QAM16", 2 : "QAM32", 3 : "QAM64", 4 : "QAM128", 5 : "QAM256" }[tp.modulation],
tp.frequency,
tp.symbol_rate/1000,
{ 0 : "AUTO", 1 : "1/2", 2 : "2/3", 3 : "3/4", 4 : "5/6", 5 : "7/8", 6 : "8/9", 15 : "NONE" }[tp.fec_inner] )
elif tp_type == iDVBFrontend.feTerrestrial:
network = _("Terrestrial")
tp = transponder.getDVBT()
if not tp[0]:
tp = tp[1]
tp_text = ("DVB-T %s %d %s") %( { 0 : "QPSK", 1 : "QAM16", 2 : "QAM64", 3 : "AUTO"}[tp.modulation],
tp.frequency,
{ 0 : "Bw 8MHz", 1 : "Bw 7MHz", 2 : "Bw 6MHz", 3 : "Bw Auto" }[tp.bandwidth])
else:
print "unknown transponder type in scanStatusChanged"
self.network.setText(network)
self.transponder.setText(tp_text)
if self.state == self.Done:
if self.scan.getNumServices() == 1:
self.text.setText(_("scan done! One service found!"))
elif self.scan.getNumServices() == 0:
self.text.setText(_("scan done! No service found!"))
else:
self.text.setText(_("scan done! %d services found!") % (self.foundServices + self.scan.getNumServices()))
if self.state == self.Error:
self.text.setText(_("ERROR - failed to scan (%s)!") % (self.Errors[self.errorcode]) )
if self.state == self.Done or self.state == self.Error:
if self.run != len(self.scanList) - 1:
self.foundServices += self.scan.getNumServices()
self.execEnd()
self.run += 1
self.execBegin()
def __init__(self, progressbar, text, servicelist, passNumber, scanList, network, transponder, frontendInfo):
self.foundServices = 0
self.progressbar = progressbar
self.text = text
self.servicelist = servicelist
self.passNumber = passNumber
self.scanList = scanList
self.frontendInfo = frontendInfo
self.transponder = transponder
self.network = network
self.run = 0
def doRun(self):
self.scan = eComponentScan()
self.frontendInfo.frontend_source = lambda : self.scan.getFrontend()
self.feid = self.scanList[self.run]["feid"]
self.flags = self.scanList[self.run]["flags"]
self.state = self.Idle
self.scanStatusChanged()
for x in self.scanList[self.run]["transponders"]:
self.scan.addInitial(x)
def updatePass(self):
size = len(self.scanList)
if size > 1:
self.passNumber.setText(_("pass") + " " + str(self.run + 1) + "/" + str(size) + " (" + _("Tuner") + " " + str(self.scanList[self.run]["feid"]) + ")")
def execBegin(self):
self.doRun()
self.updatePass()
self.scan.statusChanged.get().append(self.scanStatusChanged)
self.scan.newService.get().append(self.newService)
self.servicelist.clear()
self.state = self.Running
err = self.scan.start(self.feid, self.flags)
self.frontendInfo.updateFrontendData()
if err:
self.state = self.Error
self.errorcode = 0
self.scanStatusChanged()
def execEnd(self):
self.scan.statusChanged.get().remove(self.scanStatusChanged)
self.scan.newService.get().remove(self.newService)
if not self.isDone():
print "*** warning *** scan was not finished!"
del self.scan
def isDone(self):
return self.state == self.Done or self.state == self.Error
def newService(self):
newServiceName = self.scan.getLastServiceName()
self.servicelist.addItem(newServiceName)
def destroy(self):
pass
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