lib/python/Screens/ScanSetup.py

   1 from Screen import Screen
   2 from Screens.DefaultWizard import DefaultWizard
   3 from ServiceScan import ServiceScan
   4 from Components.config import config, ConfigSubsection, ConfigSelection, \
   5         ConfigYesNo, ConfigInteger, getConfigListEntry, ConfigSlider, ConfigEnableDisable
   6 from Components.ActionMap import NumberActionMap, ActionMap
   7 from Components.ConfigList import ConfigListScreen
   8 from Components.NimManager import nimmanager, getConfigSatlist
   9 from Components.Label import Label
  10 from Tools.Directories import resolveFilename, SCOPE_DEFAULTPARTITIONMOUNTDIR, SCOPE_DEFAULTDIR, SCOPE_DEFAULTPARTITION
  11 from Screens.MessageBox import MessageBox
  12 from enigma import eTimer, eDVBFrontendParametersSatellite, eComponentScan, \
  13         eDVBSatelliteEquipmentControl, eDVBFrontendParametersTerrestrial, \
  14         eDVBFrontendParametersCable, eConsoleAppContainer, eDVBResourceManager
  15
  16 def buildTerTransponder(frequency,
  17                 inversion=2, bandwidth = 3, fechigh = 6, feclow = 6,
  18                 modulation = 2, transmission = 2, guard = 4,
  19                 hierarchy = 4):
  20
  21 #       print "freq", frequency, "inv", inversion, "bw", bandwidth, "fech", fechigh, "fecl", feclow, "mod", modulation, "tm", transmission, "guard", guard, "hierarchy", hierarchy
  22
  23         # WARNING: normally, enums are working directly.
  24         # Don't copy this (very bad)!! Instead either fix swig (good) or
  25         # move this into a central place.
  26         Bw8MHz = 0
  27         Bw7MHz = 1
  28         Bw6MHz = 2
  29         #Bw5MHz = 3 #not implemented for e1 compatibilty
  30         BwAuto = 3
  31
  32         f1_2 = 0
  33         f2_3 = 1
  34         f3_4 = 2
  35         f5_6 = 3
  36         f7_8 = 4
  37         fAuto = 5
  38
  39         TM2k = 0
  40         TM8k = 1
  41         #TM4k = 2  #not implemented for e1 compatibilty
  42         TMAuto = 2
  43
  44         GI_1_32 = 0
  45         GI_1_16 = 1
  46         GI_1_8 = 2
  47         GI_1_4 = 3
  48         GI_Auto = 4
  49
  50         HNone = 0
  51         H1 = 1
  52         H2 = 2
  53         H4 = 3
  54         HAuto = 4
  55
  56         QPSK = 0
  57         QAM16 = 1
  58         QAM64 = 2
  59         Auto = 3
  60
  61         Off = 0
  62         On = 1
  63         Unknown = 2
  64
  65         parm = eDVBFrontendParametersTerrestrial()
  66
  67         parm.frequency = frequency
  68
  69         parm.inversion = [Off, On, Unknown][inversion]
  70         parm.bandwidth = [Bw8MHz, Bw7MHz, Bw6MHz, BwAuto][bandwidth] # Bw5MHz unsupported
  71         parm.code_rate_HP = [f1_2, f2_3, f3_4, f5_6, f7_8, fAuto][fechigh]
  72         parm.code_rate_LP = [f1_2, f2_3, f3_4, f5_6, f7_8, fAuto][feclow]
  73         parm.modulation = [QPSK, QAM16, QAM64, Auto][modulation]
  74         parm.transmission_mode = [TM2k, TM8k, TMAuto][transmission] # TM4k unsupported
  75         parm.guard_interval = [GI_1_32, GI_1_16, GI_1_8, GI_1_4, GI_Auto][guard]
  76         parm.hierarchy = [HNone, H1, H2, H4, HAuto][hierarchy]
  77
  78         return parm
  79
  80 def getInitialTransponderList(tlist, pos):
  81         list = nimmanager.getTransponders(pos)
  82         for x in list:
  83                 if x[0] == 0:           #SAT
  84                         parm = eDVBFrontendParametersSatellite()
  85                         parm.frequency = x[1]
  86                         parm.symbol_rate = x[2]
  87                         parm.polarisation = x[3]
  88                         parm.fec = x[4]
  89                         parm.inversion = x[7]
  90                         parm.orbital_position = pos
  91                         parm.system = x[5]
  92                         parm.modulation = x[6]
  93                         parm.rolloff = x[8]
  94                         parm.pilot = x[9]
  95                         tlist.append(parm)
  96
  97 def getInitialCableTransponderList(tlist, nim):
  98         list = nimmanager.getTranspondersCable(nim)
  99         for x in list:
 100                 if x[0] == 1: #CABLE
 101                         parm = eDVBFrontendParametersCable()
 102                         parm.frequency = x[1]
 103                         parm.symbol_rate = x[2]
 104                         parm.modulation = x[3]
 105                         parm.fec_inner = x[4]
 106                         parm.inversion = 2 # AUTO
 107                         #print "frequency:", x[1]
 108                         #print "symbol_rate:", x[2]
 109                         #print "modulation:", x[3]
 110                         #print "fec_inner:", x[4]
 111                         #print "inversion:", 2
 112                         tlist.append(parm)
 113
 114 def getInitialTerrestrialTransponderList(tlist, region):
 115         list = nimmanager.getTranspondersTerrestrial(region)
 116
 117         #self.transponders[self.parsedTer].append((2,freq,bw,const,crh,crl,guard,transm,hierarchy,inv))
 118
 119         #def buildTerTransponder(frequency, inversion = 2, bandwidth = 3, fechigh = 6, feclow = 6,
 120                                 #modulation = 2, transmission = 2, guard = 4, hierarchy = 4):
 121
 122         for x in list:
 123                 if x[0] == 2: #TERRESTRIAL
 124                         parm = buildTerTransponder(x[1], x[9], x[2], x[4], x[5], x[3], x[7], x[6], x[8])
 125                         tlist.append(parm)
 126
 127 cable_bands = {
 128         "DVBC_BAND_EU_VHF_I" : 1 << 0,
 129         "DVBC_BAND_EU_MID" : 1 << 1,
 130         "DVBC_BAND_EU_VHF_III" : 1 << 2,
 131         "DVBC_BAND_EU_SUPER" : 1 << 3,
 132         "DVBC_BAND_EU_HYPER" : 1 << 4,
 133         "DVBC_BAND_EU_UHF_IV" : 1 << 5,
 134         "DVBC_BAND_EU_UHF_V" : 1 << 6,
 135         "DVBC_BAND_US_LO" : 1 << 7,
 136         "DVBC_BAND_US_MID" : 1 << 8,
 137         "DVBC_BAND_US_HI" : 1 << 9,
 138         "DVBC_BAND_US_SUPER" : 1 << 10,
 139         "DVBC_BAND_US_HYPER" : 1 << 11,
 140 }
 141
 142 class CableTransponderSearchSupport:
 143 #       def setCableTransponderSearchResult(self, tlist):
 144 #               pass
 145
 146 #       def cableTransponderSearchFinished(self):
 147 #               pass
 148
 149         def tryGetRawFrontend(self, feid):
 150                 res_mgr = eDVBResourceManager.getInstance()
 151                 if res_mgr:
 152                         raw_channel = res_mgr.allocateRawChannel(self.feid)
 153                         if raw_channel:
 154                                 frontend = raw_channel.getFrontend()
 155                                 if frontend:
 156                                         del frontend
 157                                         del raw_channel
 158                                         return True
 159                 return False
 160
 161         def cableTransponderSearchSessionClosed(self, *val):
 162                 print "cableTransponderSearchSessionClosed, val", val
 163                 self.cable_search_container.appClosed.remove(self.cableTransponderSearchClosed)
 164                 self.cable_search_container.dataAvail.remove(self.getCableTransponderData)
 165                 self.cable_search_container = None
 166                 self.cable_search_session = None
 167                 if val and len(val) and val[0]:
 168                         self.setCableTransponderSearchResult(self.__tlist)
 169                 self.__tlist = None
 170                 self.cableTransponderSearchFinished()
 171
 172         def cableTransponderSearchClosed(self, retval):
 173                 print "cableTransponderSearch finished", retval
 174                 self.cable_search_session.close(True)
 175
 176         def getCableTransponderData(self, str):
 177                 data = str.split()
 178                 if len(data):
 179                         if data[0] == 'OK':
 180                                 print str
 181                                 qam = { "QAM16" : 1, "QAM32" : 2, "QAM64" : 3, "QAM128" : 4, "QAM256" : 5 }
 182                                 inv = { "INVERSION_OFF" : 0, "INVERSION_ON" : 1 }
 183                                 fec = { "FEC_AUTO" : 0, "FEC_1_2" : 1, "FEC_2_3" : 2, "FEC_3_4" : 3, "FEC_5_6": 4, "FEC_7_8" : 5, "FEC_8_9" : 6, "FEC_NONE" : 15 }
 184                                 parm = eDVBFrontendParametersCable()
 185                                 parm.frequency = int(data[1])
 186                                 parm.symbol_rate = int(data[2])
 187                                 parm.fec_inner = fec[data[3]]
 188                                 parm.modulation = qam[data[4]]
 189                                 parm.inversion = inv[data[5]]
 190                                 self.__tlist.append(parm)
 191                 tmpstr = _("Try to find used Transponders in cable network.. please wait...")
 192                 tmpstr += "\n\n"
 193                 tmpstr += data[1]
 194                 tmpstr += " kHz "
 195                 tmpstr += data[0]
 196                 self.cable_search_session["text"].setText(tmpstr)
 197
 198         def startCableTransponderSearch(self, nim_idx):
 199                 if not self.tryGetRawFrontend(nim_idx):
 200                         self.session.nav.stopService()
 201                         if not self.tryGetRawFrontend(nim_idx):
 202                                 if self.session.pipshown: # try to disable pip
 203                                         self.session.pipshown = False
 204                                         del self.session.pip
 205                                 if not self.tryGetRawFrontend(nim_idx):
 206                                         self.cableTransponderSearchFinished()
 207                                         return
 208                 self.__tlist = [ ]
 209                 self.cable_search_container = eConsoleAppContainer()
 210                 self.cable_search_container.appClosed.append(self.cableTransponderSearchClosed)
 211                 self.cable_search_container.dataAvail.append(self.getCableTransponderData)
 212                 cableConfig = config.Nims[nim_idx].cable
 213                 cmd = "tda1002x --init --scan --verbose --wakeup --inv 2 --bus "
 214                 #FIXMEEEEEE hardcoded i2c devices for dm7025 and dm8000
 215                 if nim_idx < 2:
 216                         cmd += str(nim_idx)
 217                 else:
 218                         if nim_idx == 2:
 219                                 cmd += "2" # first nim socket on DM8000 use /dev/i2c/2
 220                         else:
 221                                 cmd += "4" # second nim socket on DM8000 use /dev/i2c/4
 222                 if cableConfig.scan_type.value == "bands":
 223                         cmd += " --scan-bands "
 224                         bands = 0
 225                         if cableConfig.scan_band_EU_VHF_I.value:
 226                                 bands |= cable_bands["DVBC_BAND_EU_VHF_I"]
 227                         if cableConfig.scan_band_EU_MID.value:
 228                                 bands |= cable_bands["DVBC_BAND_EU_MID"]
 229                         if cableConfig.scan_band_EU_VHF_III.value:
 230                                 bands |= cable_bands["DVBC_BAND_EU_VHF_III"]
 231                         if cableConfig.scan_band_EU_UHF_IV.value:
 232                                 bands |= cable_bands["DVBC_BAND_EU_UHF_IV"]
 233                         if cableConfig.scan_band_EU_UHF_V.value:
 234                                 bands |= cable_bands["DVBC_BAND_EU_UHF_V"]
 235                         if cableConfig.scan_band_EU_SUPER.value:
 236                                 bands |= cable_bands["DVBC_BAND_EU_SUPER"]
 237                         if cableConfig.scan_band_EU_HYPER.value:
 238                                 bands |= cable_bands["DVBC_BAND_EU_HYPER"]
 239                         if cableConfig.scan_band_US_LOW.value:
 240                                 bands |= cable_bands["DVBC_BAND_US_LO"]
 241                         if cableConfig.scan_band_US_MID.value:
 242                                 bands |= cable_bands["DVBC_BAND_US_MID"]
 243                         if cableConfig.scan_band_US_HIGH.value:
 244                                 bands |= cable_bands["DVBC_BAND_US_HI"]
 245                         if cableConfig.scan_band_US_SUPER.value:
 246                                 bands |= cable_bands["DVBC_BAND_US_SUPER"]
 247                         if cableConfig.scan_band_US_HYPER.value:
 248                                 bands |= cable_bands["DVBC_BAND_US_HYPER"]
 249                         cmd += str(bands)
 250                 else:
 251                         cmd += " --scan-stepsize "
 252                         cmd += str(cableConfig.scan_frequency_steps.value)
 253                 if cableConfig.scan_mod_qam16.value:
 254                         cmd += " --mod 16"
 255                 if cableConfig.scan_mod_qam32.value:
 256                         cmd += " --mod 32"
 257                 if cableConfig.scan_mod_qam64.value:
 258                         cmd += " --mod 64"
 259                 if cableConfig.scan_mod_qam128.value:
 260                         cmd += " --mod 128"
 261                 if cableConfig.scan_mod_qam256.value:
 262                         cmd += " --mod 256"
 263                 if cableConfig.scan_sr_6900.value:
 264                         cmd += " --sr 6900000"
 265                 if cableConfig.scan_sr_6875.value:
 266                         cmd += " --sr 6875000"
 267                 if cableConfig.scan_sr_ext1.value > 450:
 268                         cmd += " --sr "
 269                         cmd += str(cableConfig.scan_sr_ext1.value)
 270                         cmd += "000"
 271                 if cableConfig.scan_sr_ext2.value > 450:
 272                         cmd += " --sr "
 273                         cmd += str(cableConfig.scan_sr_ext2.value)
 274                         cmd += "000"
 275                 print "TDA1002x CMD is", cmd
 276
 277                 self.cable_search_container.execute(cmd)
 278                 tmpstr = _("Try to find used transponders in cable network.. please wait...")
 279                 tmpstr += "\n\n..."
 280                 self.cable_search_session = self.session.openWithCallback(self.cableTransponderSearchSessionClosed, MessageBox, tmpstr, MessageBox.TYPE_INFO)
 281
 282 class DefaultSatLists(DefaultWizard):
 283         def __init__(self, session, silent = True, showSteps = False):
 284                 self.xmlfile = "defaultsatlists.xml"
 285                 DefaultWizard.__init__(self, session, silent, showSteps, neededTag = "services")
 286                 print "configuredSats:", nimmanager.getConfiguredSats()
 287
 288         def setDirectory(self):
 289                 self.directory = []
 290                 self.directory.append(resolveFilename(SCOPE_DEFAULTDIR))
 291                 import os
 292                 os.system("mount %s %s" % (resolveFilename(SCOPE_DEFAULTPARTITION), resolveFilename(SCOPE_DEFAULTPARTITIONMOUNTDIR)))
 293                 self.directory.append(resolveFilename(SCOPE_DEFAULTPARTITIONMOUNTDIR))
 294
 295         def statusCallback(self, status, progress):
 296                 print "statusCallback:", status, progress
 297                 from Components.DreamInfoHandler import DreamInfoHandler
 298                 if status == DreamInfoHandler.STATUS_DONE:
 299                         self["text"].setText(_("The installation of the default services lists is finished.") + "\n\n" + _("Please press OK to continue."))
 300                         self.markDone()
 301                         self.disableKeys = False
 302
 303 class ScanSetup(ConfigListScreen, Screen, CableTransponderSearchSupport):
 304         def __init__(self, session):
 305                 Screen.__init__(self, session)
 306
 307                 self.finished_cb = None
 308                 self.updateSatList()
 309                 self.service = session.nav.getCurrentService()
 310                 self.feinfo = None
 311                 frontendData = None
 312                 if self.service is not None:
 313                         self.feinfo = self.service.frontendInfo()
 314                         frontendData = self.feinfo and self.feinfo.getAll(True)
 315
 316                 self.createConfig(frontendData)
 317
 318                 del self.feinfo
 319                 del self.service
 320
 321                 self["actions"] = NumberActionMap(["SetupActions"],
 322                 {
 323                         "ok": self.keyGo,
 324                         "cancel": self.keyCancel,
 325                 }, -2)
 326
 327                 self.statusTimer = eTimer()
 328                 self.statusTimer.callback.append(self.updateStatus)
 329                 #self.statusTimer.start(5000, True)
 330
 331                 self.list = []
 332                 ConfigListScreen.__init__(self, self.list)
 333                 self.createSetup()
 334
 335                 self["introduction"] = Label(_("Press OK to start the scan"))
 336
 337         def runAsync(self, finished_cb):
 338                 self.finished_cb = finished_cb
 339                 self.keyGo()
 340
 341         def updateSatList(self):
 342                 self.satList = []
 343                 for slot in nimmanager.nim_slots:
 344                         if slot.isCompatible("DVB-S"):
 345                                 self.satList.append(nimmanager.getSatListForNim(slot.slot))
 346                         else:
 347                                 self.satList.append(None)
 348
 349         def createSetup(self):
 350                 self.list = []
 351                 self.multiscanlist = []
 352                 index_to_scan = int(self.scan_nims.value)
 353                 print "ID: ", index_to_scan
 354
 355                 self.tunerEntry = getConfigListEntry(_("Tuner"), self.scan_nims)
 356                 self.list.append(self.tunerEntry)
 357
 358                 if self.scan_nims == [ ]:
 359                         return
 360
 361                 self.typeOfScanEntry = None
 362                 self.systemEntry = None
 363                 self.modulationEntry = None
 364                 nim = nimmanager.nim_slots[index_to_scan]
 365                 if nim.isCompatible("DVB-S"):
 366                         self.typeOfScanEntry = getConfigListEntry(_("Type of scan"), self.scan_type)
 367                         self.list.append(self.typeOfScanEntry)
 368                 elif nim.isCompatible("DVB-C"):
 369                         self.typeOfScanEntry = getConfigListEntry(_("Type of scan"), self.scan_typecable)
 370                         self.list.append(self.typeOfScanEntry)
 371                 elif nim.isCompatible("DVB-T"):
 372                         self.typeOfScanEntry = getConfigListEntry(_("Type of scan"), self.scan_typeterrestrial)
 373                         self.list.append(self.typeOfScanEntry)
 374
 375                 self.scan_networkScan.value = False
 376                 if nim.isCompatible("DVB-S"):
 377                         if self.scan_type.value == "single_transponder":
 378                                 self.updateSatList()
 379                                 if nim.isCompatible("DVB-S2"):
 380                                         self.systemEntry = getConfigListEntry(_('System'), self.scan_sat.system)
 381                                         self.list.append(self.systemEntry)
 382                                 else:
 383                                         # downgrade to dvb-s, in case a -s2 config was active
 384                                         self.scan_sat.system.value = "dvb-s"
 385                                 self.list.append(getConfigListEntry(_('Satellite'), self.scan_satselection[index_to_scan]))
 386                                 self.list.append(getConfigListEntry(_('Frequency'), self.scan_sat.frequency))
 387                                 self.list.append(getConfigListEntry(_('Inversion'), self.scan_sat.inversion))
 388                                 self.list.append(getConfigListEntry(_('Symbol Rate'), self.scan_sat.symbolrate))
 389                                 self.list.append(getConfigListEntry(_("Polarity"), self.scan_sat.polarization))
 390                                 if self.scan_sat.system.value == "dvb-s":
 391                                         self.list.append(getConfigListEntry(_("FEC"), self.scan_sat.fec))
 392                                 elif self.scan_sat.system.value == "dvb-s2":
 393                                         self.list.append(getConfigListEntry(_("FEC"), self.scan_sat.fec_s2))
 394                                         self.modulationEntry = getConfigListEntry(_('Modulation'), self.scan_sat.modulation)
 395                                         self.list.append(self.modulationEntry)
 396                                         self.list.append(getConfigListEntry(_('Rolloff'), self.scan_sat.rolloff))
 397                                         self.list.append(getConfigListEntry(_('Pilot'), self.scan_sat.pilot))
 398                         elif self.scan_type.value == "single_satellite":
 399                                 self.updateSatList()
 400                                 print self.scan_satselection[index_to_scan]
 401                                 self.list.append(getConfigListEntry(_("Satellite"), self.scan_satselection[index_to_scan]))
 402                                 self.scan_networkScan.value = True
 403                         elif self.scan_type.value.find("multisat") != -1:
 404                                 tlist = []
 405                                 SatList = nimmanager.getSatListForNim(index_to_scan)
 406                                 for x in SatList:
 407                                         if self.Satexists(tlist, x[0]) == 0:
 408                                                 tlist.append(x[0])
 409                                                 sat = ConfigEnableDisable(default = self.scan_type.value.find("_yes") != -1 and True or False)
 410                                                 configEntry = getConfigListEntry(nimmanager.getSatDescription(x[0]), sat)
 411                                                 self.list.append(configEntry)
 412                                                 self.multiscanlist.append((x[0], sat))
 413                                 self.scan_networkScan.value = True
 414                 elif nim.isCompatible("DVB-C"):
 415                         if self.scan_typecable.value == "single_transponder":
 416                                 self.list.append(getConfigListEntry(_("Frequency"), self.scan_cab.frequency))
 417                                 self.list.append(getConfigListEntry(_("Inversion"), self.scan_cab.inversion))
 418                                 self.list.append(getConfigListEntry(_("Symbol Rate"), self.scan_cab.symbolrate))
 419                                 self.list.append(getConfigListEntry(_("Modulation"), self.scan_cab.modulation))
 420                                 self.list.append(getConfigListEntry(_("FEC"), self.scan_cab.fec))
 421                 elif nim.isCompatible("DVB-T"):
 422                         if self.scan_typeterrestrial.value == "single_transponder":
 423                                 self.list.append(getConfigListEntry(_("Frequency"), self.scan_ter.frequency))
 424                                 self.list.append(getConfigListEntry(_("Inversion"), self.scan_ter.inversion))
 425                                 self.list.append(getConfigListEntry(_("Bandwidth"), self.scan_ter.bandwidth))
 426                                 self.list.append(getConfigListEntry(_("Code rate high"), self.scan_ter.fechigh))
 427                                 self.list.append(getConfigListEntry(_("Code rate low"), self.scan_ter.feclow))
 428                                 self.list.append(getConfigListEntry(_("Modulation"), self.scan_ter.modulation))
 429                                 self.list.append(getConfigListEntry(_("Transmission mode"), self.scan_ter.transmission))
 430                                 self.list.append(getConfigListEntry(_("Guard interval mode"), self.scan_ter.guard))
 431                                 self.list.append(getConfigListEntry(_("Hierarchy mode"), self.scan_ter.hierarchy))
 432                 self.list.append(getConfigListEntry(_("Network scan"), self.scan_networkScan))
 433                 self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
 434                 self.list.append(getConfigListEntry(_("Only Free scan"), self.scan_onlyfree))
 435                 self["config"].list = self.list
 436                 self["config"].l.setList(self.list)
 437
 438         def Satexists(self, tlist, pos):
 439                 for x in tlist:
 440                         if x == pos:
 441                                 return 1
 442                 return 0
 443
 444         def newConfig(self):
 445                 cur = self["config"].getCurrent()
 446                 print "cur is", cur
 447                 if cur == self.typeOfScanEntry or \
 448                         cur == self.tunerEntry or \
 449                         cur == self.systemEntry or \
 450                         (self.modulationEntry and self.systemEntry[1].value == "dvb-s2" and cur == self.modulationEntry):
 451                         self.createSetup()
 452
 453         def createConfig(self, frontendData):
 454                                                            #("Type", frontendData["system"], TYPE_TEXT),
 455                                            #("Modulation", frontendData["modulation"], TYPE_TEXT),
 456                                            #("Orbital position", frontendData["orbital_position"], TYPE_VALUE_DEC),
 457                                            #("Frequency", frontendData["frequency"], TYPE_VALUE_DEC),
 458                                            #("Symbolrate", frontendData["symbol_rate"], TYPE_VALUE_DEC),
 459                                            #("Polarization", frontendData["polarization"], TYPE_TEXT),
 460                                            #("Inversion", frontendData["inversion"], TYPE_TEXT),
 461                                            #("FEC inner", frontendData["fec_inner"], TYPE_TEXT),
 462                                                 #)
 463                 #elif frontendData["tuner_type"] == "DVB-C":
 464                         #return ( ("NIM", ['A', 'B', 'C', 'D'][frontendData["tuner_number"]], TYPE_TEXT),
 465                                            #("Type", frontendData["tuner_type"], TYPE_TEXT),
 466                                            #("Frequency", frontendData["frequency"], TYPE_VALUE_DEC),
 467                                            #("Symbolrate", frontendData["symbol_rate"], TYPE_VALUE_DEC),
 468                                            #("Modulation", frontendData["modulation"], TYPE_TEXT),
 469                                            #("Inversion", frontendData["inversion"], TYPE_TEXT),
 470                         #                  ("FEC inner", frontendData["fec_inner"], TYPE_TEXT),
 471                                                 #)
 472                 #elif frontendData["tuner_type"] == "DVB-T":
 473                         #return ( ("NIM", ['A', 'B', 'C', 'D'][frontendData["tuner_number"]], TYPE_TEXT),
 474                                            #("Type", frontendData["tuner_type"], TYPE_TEXT),
 475                                            #("Frequency", frontendData["frequency"], TYPE_VALUE_DEC),
 476                                            #("Inversion", frontendData["inversion"], TYPE_TEXT),
 477                                            #("Bandwidth", frontendData["bandwidth"], TYPE_VALUE_DEC),
 478                                            #("CodeRateLP", frontendData["code_rate_lp"], TYPE_TEXT),
 479                                            #("CodeRateHP", frontendData["code_rate_hp"], TYPE_TEXT),
 480                                            #("Constellation", frontendData["constellation"], TYPE_TEXT),
 481                                            #("Transmission Mode", frontendData["transmission_mode"], TYPE_TEXT),
 482                                            #("Guard Interval", frontendData["guard_interval"], TYPE_TEXT),
 483                                            #("Hierarchy Inform.", frontendData["hierarchy_information"], TYPE_TEXT),
 484                         defaultSat = { "orbpos": 192, "system": "dvb-s", "frequency": 11836, "inversion": "auto", "symbolrate": 27500, "polarization": "horizontal", "fec": "auto", "fec_s2": "9_10", "modulation": "qpsk" }
 485                         defaultCab = {"frequency": 466, "inversion": "auto", "modulation": "64qam", "fec": "auto", "symbolrate": 6900}
 486                         if frontendData is not None:
 487                                 ttype = frontendData.get("tuner_type", "UNKNOWN")
 488                                 if ttype == "DVB-S":
 489                                         defaultSat["system"] = {"DVB-S": "dvb-s", "DVB-S2": "dvb-s2"}[frontendData.get("system", "DVB-S")]
 490                                         defaultSat["frequency"] = frontendData.get("frequency", 0) / 1000
 491                                         defaultSat["inversion"] = {"INVERSION_OFF": "off", "INVERSION_ON": "on", "INVERSION_AUTO": "auto"}[frontendData.get("inversion", "INVERSION_AUTO")]
 492                                         defaultSat["symbolrate"] = frontendData.get("symbol_rate", 0) / 1000
 493                                         defaultSat["polarization"] = {"HORIZONTAL": "horizontal", "VERTICAL": "vertical", "CIRCULAR_LEFT": "circular_left", "CIRCULAR_RIGHT": "circular_right", "UNKNOWN": None}[frontendData.get("polarization", "HORIZONTAL")]
 494
 495                                         if frontendData.get("system", "DVB-S") == "DVB-S2":
 496                                                 defaultSat["fec_s2"] = {"FEC_1_2": "1_2", "FEC_2_3": "2_3", "FEC_3_4": "3_4", "FEC_4_5": "4_5", "FEC_5_6": "5_6", "FEC_7_8": "7_8", "FEC_8_9": "8_9", "FEC_9_10": "9_10"} \
 497                                                                                         [frontendData.get("fec_inner", "FEC_AUTO")]
 498                                                 defaultSat["rolloff"] = {"ROLLOFF_0_35" : "0_35", "ROLLOFF_0_25" : "0_25", "ROLLOFF_0_20" : "0_20"}[frontendData.get("rolloff", "ROLLOFF_0_35")]
 499                                                 defaultSat["pilot"] = {"PILOT_ON" : "on", "PILOT_OFF" : "off", "PILOT_AUTO" : "auto"}[frontendData.get("pilot", "PILOT_AUTO")]
 500                                         else:
 501                                                 defaultSat["fec"] = {"FEC_AUTO": "auto", "FEC_1_2": "1_2", "FEC_2_3": "2_3", "FEC_3_4": "3_4", "FEC_5_6": "5_6", "FEC_7_8": "7_8", "FEC_NONE": "none"} \
 502                                                         [frontendData.get("fec_inner", "FEC_AUTO")]
 503
 504                                         defaultSat["modulation"] = {"QPSK": "qpsk", "8PSK": "8psk"}[frontendData.get("modulation", "QPSK")]
 505                                         defaultSat["orbpos"] = frontendData.get("orbital_position", 0)
 506                                 elif ttype == "DVB-C":
 507                                         defaultCab["frequency"] = frontendData.get("frequency", 0) / 1000
 508                                         defaultCab["symbolrate"] = frontendData.get("symbol_rate", 0) / 1000
 509                                         defaultCab["inversion"] = {"INVERSION_OFF": "off", "INVERSION_ON": "on", "INVERSION_AUTO": "auto"}[frontendData.get("inversion", "INVERSION_AUTO")]
 510                                         defaultCab["fec"] = {"FEC_AUTO": "auto", "FEC_1_2": "1_2", "FEC_2_3": "2_3", "FEC_3_4": "3_4", "FEC_5_6": "5_6", "FEC_7_8": "7_8", "FEC_8_9": "8_9", "FEC_NONE": "none"}[frontendData.get("fec_inner", "FEC_AUTO")]
 511                                         defaultCab["modulation"] = {"QAM_AUTO": "auto", "QAM_16": "16qam", "QAM_32": "32qam", "QAM_64": "64qam", "QAM_128": "128qam", "QAM_256": "256qam"}[frontendData.get("modulation", "QAM_16")]
 512
 513                         self.scan_sat = ConfigSubsection()
 514                         self.scan_cab = ConfigSubsection()
 515                         self.scan_ter = ConfigSubsection()
 516
 517                         self.scan_type = ConfigSelection(default = "single_transponder", choices = [("single_transponder", _("Single transponder")), ("single_satellite", _("Single satellite")), ("multisat", _("Multisat")), ("multisat_yes", _("Multisat"))])
 518                         self.scan_typecable = ConfigSelection(default = "single_transponder", choices = [("single_transponder", _("Single transponder")), ("complete", _("Complete"))])
 519                         self.scan_typeterrestrial = ConfigSelection(default = "single_transponder", choices = [("single_transponder", _("Single transponder")), ("complete", _("Complete"))])
 520                         self.scan_clearallservices = ConfigSelection(default = "no", choices = [("no", _("no")), ("yes", _("yes")), ("yes_hold_feeds", _("yes (keep feeds)"))])
 521                         self.scan_onlyfree = ConfigYesNo(default = False)
 522                         self.scan_networkScan = ConfigYesNo(default = False)
 523
 524                         nim_list = []
 525                         # collect all nims which are *not* set to "nothing"
 526                         for n in nimmanager.nim_slots:
 527                                 if not n.config_mode in ("loopthrough", "satposdepends", "nothing"):
 528                                         nim_list.append((str(n.slot), n.friendly_full_description))
 529
 530                         self.scan_nims = ConfigSelection(choices = nim_list)
 531
 532                         # status
 533                         self.scan_snr = ConfigSlider()
 534                         self.scan_snr.enabled = False
 535                         self.scan_agc = ConfigSlider()
 536                         self.scan_agc.enabled = False
 537                         self.scan_ber = ConfigSlider()
 538                         self.scan_ber.enabled = False
 539
 540                         # sat
 541                         self.scan_sat.system = ConfigSelection(default = defaultSat["system"], choices = [("dvb-s", _("DVB-S")), ("dvb-s2", _("DVB-S2"))])
 542                         self.scan_sat.frequency = ConfigInteger(default = defaultSat["frequency"], limits = (1, 99999))
 543                         self.scan_sat.inversion = ConfigSelection(default = defaultSat["inversion"], choices = [("off", _("off")), ("on", _("on")), ("auto", _("Auto"))])
 544                         self.scan_sat.symbolrate = ConfigInteger(default = defaultSat["symbolrate"], limits = (1, 99999))
 545                         self.scan_sat.polarization = ConfigSelection(default = defaultSat["polarization"], choices = [("horizontal", _("horizontal")), ("vertical", _("vertical")),  ("circular_left", _("circular left")), ("circular_right", _("circular right"))])
 546                         self.scan_sat.fec = ConfigSelection(default = defaultSat["fec"], choices = [("auto", _("Auto")), ("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("5_6", "5/6"), ("7_8", "7/8"), ("none", _("None"))])
 547                         self.scan_sat.fec_s2 = ConfigSelection(default = defaultSat["fec_s2"], choices = [("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("3_5", "3/5"), ("4_5", "4/5"), ("5_6", "5/6"), ("7_8", "7/8"), ("8_9", "8/9"), ("9_10", "9/10")])
 548                         self.scan_sat.modulation = ConfigSelection(default = defaultSat["modulation"], choices = [("qpsk", "QPSK"), ("8psk", "8PSK")])
 549                         self.scan_sat.rolloff = ConfigSelection(default = defaultSat.get("rolloff", "0_35"), choices = [("0_35", "0.35"), ("0_25", "0.25"), ("0_20", "0.20")])
 550                         self.scan_sat.pilot = ConfigSelection(default = defaultSat.get("pilot", "auto"), choices = [("off", _("off")), ("on", _("on")), ("auto", _("Auto"))])
 551
 552                         # cable
 553                         self.scan_cab.frequency = ConfigInteger(default = defaultCab["frequency"], limits = (50, 999))
 554                         self.scan_cab.inversion = ConfigSelection(default = defaultCab["inversion"], choices = [("off", _("off")), ("on", _("on")), ("auto", _("Auto"))])
 555                         self.scan_cab.modulation = ConfigSelection(default = defaultCab["modulation"], choices = [("16qam", "16-QAM"), ("32qam", "32-QAM"), ("64qam", "64-QAM"), ("128qam", "128-QAM"), ("256qam", "256-QAM")])
 556                         self.scan_cab.fec = ConfigSelection(default = defaultCab["fec"], choices = [("auto", _("Auto")), ("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("5_6", "5/6"), ("7_8", "7/8"), ("8_9", "8/9"), ("none", _("None"))])
 557                         self.scan_cab.symbolrate = ConfigInteger(default = defaultCab["symbolrate"], limits = (1, 99999))
 558
 559                         # terrestial
 560                         self.scan_ter.frequency = ConfigInteger(default = 466000, limits = (50000, 999000))
 561                         self.scan_ter.inversion = ConfigSelection(default = "auto", choices = [("off", _("off")), ("on", _("on")), ("auto", _("Auto"))])
 562                         # WORKAROUND: we can't use BW-auto
 563                         self.scan_ter.bandwidth = ConfigSelection(default = "8MHz", choices = [("8MHz", "8MHz"), ("7MHz", "7MHz"), ("6MHz", "6MHz")])
 564                         #, ("auto", _("Auto"))))
 565                         self.scan_ter.fechigh = ConfigSelection(default = "auto", choices = [("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("5_6", "5/6"), ("7_8", "7/8"), ("auto", _("Auto"))])
 566                         self.scan_ter.feclow = ConfigSelection(default = "auto", choices = [("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("5_6", "5/6"), ("7_8", "7/8"), ("auto", _("Auto"))])
 567                         self.scan_ter.modulation = ConfigSelection(default = "auto", choices = [("qpsk", "QPSK"), ("qam16", "QAM16"), ("qam64", "QAM64"), ("auto", _("Auto"))])
 568                         self.scan_ter.transmission = ConfigSelection(default = "auto", choices = [("2k", "2K"), ("8k", "8K"), ("auto", _("Auto"))])
 569                         self.scan_ter.guard = ConfigSelection(default = "auto", choices = [("1_32", "1/32"), ("1_16", "1/16"), ("1_8", "1/8"), ("1_4", "1/4"), ("auto", _("Auto"))])
 570                         self.scan_ter.hierarchy = ConfigSelection(default = "auto", choices = [("none", _("None")), ("1", "1"), ("2", "2"), ("4", "4"), ("auto", _("Auto"))])
 571
 572                         self.scan_scansat = {}
 573                         for sat in nimmanager.satList:
 574                                 #print sat[1]
 575                                 self.scan_scansat[sat[0]] = ConfigYesNo(default = False)
 576
 577                         self.scan_satselection = []
 578                         for slot in nimmanager.nim_slots:
 579                                 if slot.isCompatible("DVB-S"):
 580                                         self.scan_satselection.append(getConfigSatlist(defaultSat["orbpos"], self.satList[slot.slot]))
 581                                 else:
 582                                         self.scan_satselection.append(None)
 583
 584                         return True
 585
 586         def keyLeft(self):
 587                 ConfigListScreen.keyLeft(self)
 588                 self.newConfig()
 589
 590         def keyRight(self):
 591                 ConfigListScreen.keyRight(self)
 592                 self.newConfig()
 593
 594         def updateStatus(self):
 595                 print "updatestatus"
 596
 597         fecmap = { "auto": 0,
 598                            "1_2": 1,
 599                            "2_3": 2,
 600                            "3_4": 3,
 601                            "5_6": 4,
 602                            "7_8": 5,
 603                            "8_9": 6,
 604                            "3_5": 7,
 605                            "4_5": 8,
 606                            "9_10": 9,
 607                            "none": 15
 608                            }
 609
 610         def addSatTransponder(self, tlist, frequency, symbol_rate, polarisation, fec, inversion, orbital_position, system, modulation, rolloff, pilot):
 611                 print "Add Sat: frequ: " + str(frequency) + " symbol: " + str(symbol_rate) + " pol: " + str(polarisation) + " fec: " + str(self.fecmap[fec]) + " inversion: " + str(inversion) + " modulation: " + str(modulation) + " system: " + str(system) + " rolloff" + str(rolloff) + " pilot" + str(pilot)
 612                 print "orbpos: " + str(orbital_position)
 613                 parm = eDVBFrontendParametersSatellite()
 614                 if modulation == 1:
 615                         parm.modulation = 2 # eDVBFrontendParametersSatellite.Modulation.8PSK
 616                 else:
 617                         parm.modulation = 1 # eDVBFrontendParametersSatellite.Modulation.QPSK
 618                 parm.system = system
 619                 parm.frequency = frequency * 1000
 620                 parm.symbol_rate = symbol_rate * 1000
 621                 parm.polarisation = polarisation
 622                 parm.fec = self.fecmap[fec]
 623                 parm.inversion = inversion
 624                 parm.orbital_position = orbital_position
 625                 parm.rolloff = rolloff
 626                 parm.pilot = pilot
 627                 tlist.append(parm)
 628
 629         def addCabTransponder(self, tlist, frequency, symbol_rate, modulation, fec, inversion):
 630                 print "Add Cab: frequ: " + str(frequency) + " symbol: " + str(symbol_rate) + " pol: " + str(modulation) + " fec: " + str(fec) + " inversion: " + str(inversion)
 631                 parm = eDVBFrontendParametersCable()
 632                 parm.frequency = frequency * 1000
 633                 parm.symbol_rate = symbol_rate * 1000
 634                 parm.modulation = modulation
 635                 parm.fec = self.fecmap[fec]
 636                 parm.inversion = inversion
 637                 tlist.append(parm)
 638
 639         def addTerTransponder(self, tlist, *args, **kwargs):
 640                 tlist.append(buildTerTransponder(*args, **kwargs))
 641
 642         def keyGo(self):
 643                 tlist = []
 644                 flags = None
 645                 startScan = True
 646                 removeAll = True
 647                 index_to_scan = int(self.scan_nims.value)
 648
 649                 if self.scan_nims == [ ]:
 650                         self.session.open(MessageBox, _("No tuner is enabled!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 651                         return
 652
 653                 nim = nimmanager.nim_slots[index_to_scan]
 654                 print "nim", nim.slot
 655                 if nim.isCompatible("DVB-S"):
 656                         print "is compatible with DVB-S"
 657                         if self.scan_type.value == "single_transponder":
 658                                 # these lists are generated for each tuner, so this has work.
 659                                 assert len(self.satList) > index_to_scan
 660                                 assert len(self.scan_satselection) > index_to_scan
 661
 662                                 nimsats = self.satList[index_to_scan]
 663                                 selsatidx = self.scan_satselection[index_to_scan].index
 664
 665                                 # however, the satList itself could be empty. in that case, "index" is 0 (for "None").
 666                                 if len(nimsats):
 667                                         orbpos = nimsats[selsatidx][0]
 668                                         if self.scan_sat.system.value == "dvb-s":
 669                                                 fec = self.scan_sat.fec.value
 670                                         else:
 671                                                 fec = self.scan_sat.fec_s2.value
 672                                         print "add sat transponder"
 673                                         self.addSatTransponder(tlist, self.scan_sat.frequency.value,
 674                                                                 self.scan_sat.symbolrate.value,
 675                                                                 self.scan_sat.polarization.index,
 676                                                                 fec,
 677                                                                 self.scan_sat.inversion.index,
 678                                                                 orbpos,
 679                                                                 self.scan_sat.system.index,
 680                                                                 self.scan_sat.modulation.index,
 681                                                                 self.scan_sat.rolloff.index,
 682                                                                 self.scan_sat.pilot.index)
 683                                 removeAll = False
 684                         elif self.scan_type.value == "single_satellite":
 685                                 sat = self.satList[index_to_scan][self.scan_satselection[index_to_scan].index]
 686                                 getInitialTransponderList(tlist, sat[0])
 687                         elif self.scan_type.value.find("multisat") != -1:
 688                                 SatList = nimmanager.getSatListForNim(index_to_scan)
 689                                 for x in self.multiscanlist:
 690                                         if x[1].value:
 691                                                 print "   " + str(x[0])
 692                                                 getInitialTransponderList(tlist, x[0])
 693
 694                 elif nim.isCompatible("DVB-C"):
 695                         if self.scan_typecable.value == "single_transponder":
 696                                 fec = self.scan_cab.fec.value
 697                                 self.addCabTransponder(tlist, self.scan_cab.frequency.value,
 698                                                                                           self.scan_cab.symbolrate.value,
 699                                                                                           self.scan_cab.modulation.index + 1,
 700                                                                                           fec,
 701                                                                                           self.scan_cab.inversion.index)
 702                                 removeAll = False
 703                         elif self.scan_typecable.value == "complete":
 704                                 if config.Nims[index_to_scan].cable.scan_type.value == "provider":
 705                                         getInitialCableTransponderList(tlist, index_to_scan)
 706                                 else:
 707                                         startScan = False
 708
 709                 elif nim.isCompatible("DVB-T"):
 710                         if self.scan_typeterrestrial.value == "single_transponder":
 711                                 self.addTerTransponder(tlist,
 712                                                 self.scan_ter.frequency.value * 1000,
 713                                                 inversion = self.scan_ter.inversion.index,
 714                                                 bandwidth = self.scan_ter.bandwidth.index,
 715                                                 fechigh = self.scan_ter.fechigh.index,
 716                                                 feclow = self.scan_ter.feclow.index,
 717                                                 modulation = self.scan_ter.modulation.index,
 718                                                 transmission = self.scan_ter.transmission.index,
 719                                                 guard = self.scan_ter.guard.index,
 720                                                 hierarchy = self.scan_ter.hierarchy.index)
 721                                 removeAll = False
 722                         elif self.scan_typeterrestrial.value == "complete":
 723                                 getInitialTerrestrialTransponderList(tlist, nimmanager.getTerrestrialDescription(index_to_scan))
 724
 725                 flags = self.scan_networkScan.value and eComponentScan.scanNetworkSearch or 0
 726
 727                 tmp = self.scan_clearallservices.value
 728                 if tmp == "yes":
 729                         flags |= eComponentScan.scanRemoveServices
 730                 elif tmp == "yes_hold_feeds":
 731                         flags |= eComponentScan.scanRemoveServices
 732                         flags |= eComponentScan.scanDontRemoveFeeds
 733
 734                 if tmp != "no" and not removeAll:
 735                         flags |= eComponentScan.scanDontRemoveUnscanned
 736
 737                 if self.scan_onlyfree.value:
 738                         flags |= eComponentScan.scanOnlyFree
 739
 740                 for x in self["config"].list:
 741                         x[1].save()
 742
 743                 if startScan:
 744                         self.startScan(tlist, flags, index_to_scan)
 745                 else:
 746                         self.flags = flags
 747                         self.feid = index_to_scan
 748                         self.tlist = []
 749                         self.startCableTransponderSearch(self.feid)
 750
 751         def setCableTransponderSearchResult(self, tlist):
 752                 self.tlist = tlist
 753
 754         def cableTransponderSearchFinished(self):
 755                 self.startScan(self.tlist, self.flags, self.feid)
 756
 757         def startScan(self, tlist, flags, feid):
 758                 if len(tlist):
 759                         # flags |= eComponentScan.scanSearchBAT
 760                         if self.finished_cb:
 761                                 self.session.openWithCallback(self.finished_cb, ServiceScan, [{"transponders": tlist, "feid": feid, "flags": flags}])
 762                         else:
 763                                 self.session.open(ServiceScan, [{"transponders": tlist, "feid": feid, "flags": flags}])
 764                 else:
 765                         if self.finished_cb:
 766                                 self.session.openWithCallback(self.finished_cb, MessageBox, _("Nothing to scan!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 767                         else:
 768                                 self.session.open(MessageBox, _("Nothing to scan!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 769
 770         def keyCancel(self):
 771                 for x in self["config"].list:
 772                         x[1].cancel()
 773                 self.close()
 774
 775 class ScanSimple(ConfigListScreen, Screen, CableTransponderSearchSupport):
 776         def getNetworksForNim(self, nim):
 777                 if nim.isCompatible("DVB-S"):
 778                         networks = nimmanager.getSatListForNim(nim.slot)
 779                 elif not nim.empty:
 780                         networks = [ nim.type ] # "DVB-C" or "DVB-T". TODO: seperate networks for different C/T tuners, if we want to support that.
 781                 else:
 782                         # empty tuners provide no networks.
 783                         networks = [ ]
 784                 return networks
 785
 786         def __init__(self, session):
 787                 Screen.__init__(self, session)
 788
 789                 self["actions"] = ActionMap(["SetupActions"],
 790                 {
 791                         "ok": self.keyGo,
 792                         "cancel": self.keyCancel,
 793                 }, -2)
 794
 795                 self.list = []
 796                 tlist = []
 797
 798                 known_networks = [ ]
 799                 nims_to_scan = [ ]
 800                 self.finished_cb = None
 801
 802                 for nim in nimmanager.nim_slots:
 803                         # collect networks provided by this tuner
 804
 805                         need_scan = False
 806                         networks = self.getNetworksForNim(nim)
 807
 808                         print "nim %d provides" % nim.slot, networks
 809                         print "known:", known_networks
 810
 811                         # we only need to scan on the first tuner which provides a network.
 812                         # this gives the first tuner for each network priority for scanning.
 813                         for x in networks:
 814                                 if x not in known_networks:
 815                                         need_scan = True
 816                                         print x, "not in ", known_networks
 817                                         known_networks.append(x)
 818
 819                         if need_scan:
 820                                 nims_to_scan.append(nim)
 821
 822                 # we save the config elements to use them on keyGo
 823                 self.nim_enable = [ ]
 824
 825                 if len(nims_to_scan):
 826                         self.scan_clearallservices = ConfigSelection(default = "yes", choices = [("no", _("no")), ("yes", _("yes")), ("yes_hold_feeds", _("yes (keep feeds)"))])
 827                         self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
 828
 829                         for nim in nims_to_scan:
 830                                 nimconfig = ConfigYesNo(default = True)
 831                                 nimconfig.nim_index = nim.slot
 832                                 self.nim_enable.append(nimconfig)
 833                                 self.list.append(getConfigListEntry(_("Scan ") + nim.slot_name + " (" + nim.friendly_type + ")", nimconfig))
 834
 835                 ConfigListScreen.__init__(self, self.list)
 836                 self["header"] = Label(_("Automatic Scan"))
 837                 self["footer"] = Label(_("Press OK to scan"))
 838
 839         def runAsync(self, finished_cb):
 840                 self.finished_cb = finished_cb
 841                 self.keyGo()
 842
 843         def keyGo(self):
 844                 self.scanList = []
 845                 self.known_networks = set()
 846                 self.nim_iter=0
 847                 self.buildTransponderList()
 848
 849         def buildTransponderList(self): # this method is called multiple times because of asynchronous stuff
 850                 APPEND_NOW = 0
 851                 SEARCH_CABLE_TRANSPONDERS = 1
 852                 action = APPEND_NOW
 853
 854                 n = self.nim_iter < len(self.nim_enable) and self.nim_enable[self.nim_iter] or None
 855                 self.nim_iter += 1
 856                 if n:
 857                         if n.value: # check if nim is enabled
 858                                 flags = 0
 859                                 nim = nimmanager.nim_slots[n.nim_index]
 860                                 networks = set(self.getNetworksForNim(nim))
 861
 862                                 # don't scan anything twice
 863                                 networks.discard(self.known_networks)
 864
 865                                 tlist = [ ]
 866                                 if nim.isCompatible("DVB-S"):
 867                                         # get initial transponders for each satellite to be scanned
 868                                         for sat in networks:
 869                                                 getInitialTransponderList(tlist, sat[0])
 870                                 elif nim.isCompatible("DVB-C"):
 871                                         if config.Nims[nim.slot].cable.scan_type.value == "provider":
 872                                                 getInitialCableTransponderList(tlist, nim.slot)
 873                                         else:
 874                                                 action = SEARCH_CABLE_TRANSPONDERS
 875                                 elif nim.isCompatible("DVB-T"):
 876                                         getInitialTerrestrialTransponderList(tlist, nimmanager.getTerrestrialDescription(nim.slot))
 877                                 else:
 878                                         assert False
 879
 880                                 flags |= eComponentScan.scanNetworkSearch #FIXMEEE.. use flags from cables / satellites / terrestrial.xml
 881                                 tmp = self.scan_clearallservices.value
 882                                 if tmp == "yes":
 883                                         flags |= eComponentScan.scanRemoveServices
 884                                 elif tmp == "yes_hold_feeds":
 885                                         flags |= eComponentScan.scanRemoveServices
 886                                         flags |= eComponentScan.scanDontRemoveFeeds
 887
 888                                 if action == APPEND_NOW:
 889                                         self.scanList.append({"transponders": tlist, "feid": nim.slot, "flags": flags})
 890                                 elif action == SEARCH_CABLE_TRANSPONDERS:
 891                                         self.flags = flags
 892                                         self.feid = nim.slot
 893                                         self.startCableTransponderSearch(nim.slot)
 894                                         return
 895                                 else:
 896                                         assert False
 897
 898                         self.buildTransponderList() # recursive call of this function !!!
 899                         return
 900                 # when we are here, then the recursion is finished and all enabled nims are checked
 901                 # so we now start the real transponder scan
 902                 self.startScan(self.scanList)
 903
 904         def startScan(self, scanList):
 905                 if len(scanList):
 906                         if self.finished_cb:
 907                                 self.session.openWithCallback(self.finished_cb, ServiceScan, scanList = scanList)
 908                         else:
 909                                 self.session.open(ServiceScan, scanList = scanList)
 910                 else:
 911                         if self.finished_cb:
 912                                 self.session.openWithCallback(self.finished_cb, MessageBox, _("Nothing to scan!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 913                         else:
 914                                 self.session.open(MessageBox, _("Nothing to scan!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 915
 916         def setCableTransponderSearchResult(self, tlist):
 917                 self.scanList.append({"transponders": tlist, "feid": self.feid, "flags": self.flags})
 918
 919         def cableTransponderSearchFinished(self):
 920                 self.buildTransponderList()
 921
 922         def keyCancel(self):
 923                 self.close()
 924
 925         def Satexists(self, tlist, pos):
 926                 for x in tlist:
 927                         if x == pos:
 928                                 return 1
 929                 return 0
 930