code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Components/ServiceScan.py

   1 from enigma import eComponentScan, iDVBFrontend
   2 from Components.NimManager import nimmanager as nimmgr
   3
   4 class ServiceScan:
   5
   6         Idle = 1
   7         Running = 2
   8         Done = 3
   9         Error = 4
  10
  11         Errors = {
  12                 0: "error starting scanning",
  13                 1: "error while scanning",
  14                 2: "no resource manager",
  15                 3: "no channel list"
  16                 }
  17
  18         def scanStatusChanged(self):
  19                 if self.state == self.Running:
  20                         self.progressbar.setValue(self.scan.getProgress())
  21                         self.lcd_summary.updateProgress(self.scan.getProgress())
  22                         if self.scan.isDone():
  23                                 errcode = self.scan.getError()
  24
  25                                 if errcode == 0:
  26                                         self.state = self.Done
  27                                 else:
  28                                         self.state = self.Error
  29                                         self.errorcode = errcode
  30                                 self.network.setText("")
  31                                 self.transponder.setText("")
  32                         else:
  33                                 self.text.setText(_("scan in progress - %d%% done!") % self.scan.getProgress() + ' ' + _("%d services found!") % (self.foundServices + self.scan.getNumServices()))
  34                                 transponder = self.scan.getCurrentTransponder()
  35                                 network = ""
  36                                 tp_text = ""
  37                                 if transponder:
  38                                         tp_type = transponder.getSystem()
  39                                         if tp_type == iDVBFrontend.feSatellite:
  40                                                 network = _("Satellite")
  41                                                 tp = transponder.getDVBS()
  42                                                 orb_pos = tp.orbital_position
  43                                                 try:
  44                                                         sat_name = str(nimmgr.getSatDescription(orb_pos))
  45                                                 except KeyError:
  46                                                         sat_name = ""
  47                                                 if orb_pos > 1800: # west
  48                                                         orb_pos = 3600 - orb_pos
  49                                                         h = _("W")
  50                                                 else:
  51                                                         h = _("E")
  52                                                 if sat_name.find("%d.%d" % (orb_pos/10, orb_pos%10)) != -1:
  53                                                         network = sat_name
  54                                                 else:
  55                                                         network = ("%s %d.%d %s") % (sat_name, orb_pos / 10, orb_pos % 10, h)
  56                                                 tp_text = ("%s %s %d%c / %d / %s") %( { tp.System_DVB_S : "DVB-S",
  57                                                         tp.System_DVB_S2 : "DVB-S2" , tp.System_DVB_S2X : "DVB-S2X"}.get(tp.system, tp.System_DVB_S),
  58                                                         { tp.Modulation_Auto : "Auto", tp.Modulation_QPSK : "QPSK",
  59                                                                 tp.Modulation_8PSK : "8PSK", tp.Modulation_QAM16 : "QAM16",
  60                                                                 tp.Modulation_8APSK : "8APSK", tp.Modulation_16APSK : "16APSK",
  61                                                                 tp.Modulation_32APSK : "32APSK"}.get(tp.modulation, tp.Modulation_QPSK),
  62                                                         tp.frequency/1000,
  63                                                         { tp.Polarisation_Horizontal : 'H', tp.Polarisation_Vertical : 'V', tp.Polarisation_CircularLeft : 'L',
  64                                                                 tp.Polarisation_CircularRight : 'R' }.get(tp.polarisation, tp.Polarisation_Horizontal),
  65                                                         tp.symbol_rate/1000,
  66                                                         { tp.FEC_Auto : "AUTO", tp.FEC_1_2 : "1/2", tp.FEC_2_3 : "2/3",
  67                                                                 tp.FEC_3_4 : "3/4", tp.FEC_5_6 : "5/6", tp.FEC_7_8 : "7/8",
  68                                                                 tp.FEC_8_9 : "8/9", tp.FEC_3_5 : "3/5", tp.FEC_4_5 : "4/5",
  69                                                                 tp.FEC_9_10 : "9/10", tp.FEC_None : "NONE",
  70                                                                 tp.FEC_13_45 : "13/45", tp.FEC_9_20 : "9/20", tp.FEC_11_20 : "11/20", tp.FEC_23_36 : "23/36", tp.FEC_25_36 : "25/36",
  71                                                                 tp.FEC_13_18 : "13/18", tp.FEC_26_45 : "26/45", tp.FEC_28_45 : "28/45", tp.FEC_7_9 : "7/9", tp.FEC_77_90 : "77/90",
  72                                                                 tp.FEC_32_45 : "32/45", tp.FEC_11_15 : "11/15", tp.FEC_1_2_L : "1/2-L", tp.FEC_8_15_L : "8/15-L", tp.FEC_3_5_L : "3/5-L",
  73                                                                 tp.FEC_2_3_L : "2/3-L", tp.FEC_5_9_L : "5/9-L", tp.FEC_26_45_L : "26/45-L"}.get(tp.fec, tp.FEC_Auto))
  74                                                 if tp.is_id > -1 and tp.system in (tp.System_DVB_S2, tp.System_DVB_S2X):
  75                                                         tp_text = ("%s IS %d") % (tp_text, tp.is_id)
  76                                         elif tp_type == iDVBFrontend.feCable:
  77                                                 network = _("Cable")
  78                                                 tp = transponder.getDVBC()
  79                                                 tp_text = ("DVB-C %s %d / %d / %s") %( { tp.Modulation_Auto : "AUTO",
  80                                                         tp.Modulation_QAM16 : "QAM16", tp.Modulation_QAM32 : "QAM32",
  81                                                         tp.Modulation_QAM64 : "QAM64", tp.Modulation_QAM128 : "QAM128",
  82                                                         tp.Modulation_QAM256 : "QAM256" }.get(tp.modulation, tp.Modulation_Auto),
  83                                                         tp.frequency,
  84                                                         tp.symbol_rate/1000,
  85                                                         { tp.FEC_Auto : "AUTO", tp.FEC_1_2 : "1/2", tp.FEC_2_3 : "2/3",
  86                                                                 tp.FEC_3_4 : "3/4", tp.FEC_5_6 : "5/6", tp.FEC_7_8 : "7/8",
  87                                                                 tp.FEC_8_9 : "8/9", tp.FEC_None : "NONE" }.get(tp.fec_inner, tp.FEC_Auto))
  88                                         elif tp_type == iDVBFrontend.feTerrestrial:
  89                                                 network = _("Terrestrial")
  90                                                 tp = transponder.getDVBT()
  91                                                 tp_text = ("%s %s %d %s") %(
  92                                                         {
  93                                                                 tp.System_DVB_T : "DVB-T",
  94                                                                 tp.System_DVB_T2 : "DVB-T2"
  95                                                         }.get(tp.system, ""),
  96                                                         {
  97                                                                 tp.Modulation_QPSK : "QPSK",
  98                                                                 tp.Modulation_QAM16 : "QAM16",
  99                                                                 tp.Modulation_QAM64 : "QAM64",
 100                                                                 tp.Modulation_QAM256 : "QAM256",
 101                                                                 tp.Modulation_Auto : "AUTO"
 102                                                         }.get(tp.modulation, tp.Modulation_Auto),
 103                                                         tp.frequency,
 104                                                         {
 105                                                                 tp.Bandwidth_8MHz : "Bw 8MHz",
 106                                                                 tp.Bandwidth_7MHz : "Bw 7MHz",
 107                                                                 tp.Bandwidth_6MHz : "Bw 6MHz",
 108                                                                 tp.Bandwidth_Auto : "Bw Auto",
 109                                                                 tp.Bandwidth_5MHz : "Bw 5MHz",
 110                                                                 tp.Bandwidth_10MHz : "Bw 10MHz",
 111                                                                 tp.Bandwidth_1_712MHz : "Bw 1.712MHz"
 112                                                         }.get(tp.bandwidth, tp.Bandwidth_Auto))
 113                                         else:
 114                                                 print "unknown transponder type in scanStatusChanged"
 115                                 self.network.setText(network)
 116                                 self.transponder.setText(tp_text)
 117
 118                 if self.state == self.Done:
 119                         if self.scan.getNumServices() == 0:
 120                                 self.text.setText(_("scan done!") + ' ' + _("%d services found!") % 0 )
 121                         else:
 122                                 self.text.setText(_("scan done!") + ' ' + _("%d services found!") % (self.foundServices + self.scan.getNumServices()))
 123
 124                 if self.state == self.Error:
 125                         self.text.setText(_("ERROR - failed to scan (%s)!") % (self.Errors[self.errorcode]) )
 126
 127                 if self.state == self.Done or self.state == self.Error:
 128                         if self.run != len(self.scanList) - 1:
 129                                 self.foundServices += self.scan.getNumServices()
 130                                 self.execEnd(False) # reset eComponentScan
 131                                 self.run += 1
 132                                 self.execBegin()
 133
 134         def __init__(self, progressbar, text, servicelist, passNumber, scanList, network, transponder, frontendInfo, lcd_summary):
 135                 self.foundServices = 0
 136                 self.progressbar = progressbar
 137                 self.text = text
 138                 self.servicelist = servicelist
 139                 self.passNumber = passNumber
 140                 self.scanList = scanList
 141                 self.frontendInfo = frontendInfo
 142                 self.transponder = transponder
 143                 self.network = network
 144                 self.run = 0
 145                 self.lcd_summary = lcd_summary
 146                 self.scan = None
 147
 148         def doRun(self):
 149                 if self.scan is None:
 150                         self.scan = eComponentScan()
 151                 self.frontendInfo.frontend_source = lambda : self.scan.getFrontend()
 152                 self.feid = self.scanList[self.run]["feid"]
 153                 self.flags = self.scanList[self.run]["flags"]
 154                 self.state = self.Idle
 155                 self.scanStatusChanged()
 156
 157                 for x in self.scanList[self.run]["transponders"]:
 158                         self.scan.addInitial(x)
 159
 160         def updatePass(self):
 161                 size = len(self.scanList)
 162                 if size > 1:
 163                         self.passNumber.setText(_("pass") + " " + str(self.run + 1) + "/" + str(size) + " (" + _("Tuner") + " " + str(self.scanList[self.run]["feid"]) + ")")
 164
 165         def execBegin(self):
 166                 self.doRun()
 167                 self.updatePass()
 168                 self.scan.statusChanged.get().append(self.scanStatusChanged)
 169                 self.scan.newService.get().append(self.newService)
 170                 self.servicelist.clear()
 171                 self.state = self.Running
 172                 err = self.scan.start(self.feid, self.flags)
 173                 self.frontendInfo.updateFrontendData()
 174                 if err:
 175                         self.state = self.Error
 176                         self.errorcode = 0
 177                 self.scanStatusChanged()
 178
 179         def execEnd(self, onClose = True):
 180                 # when closing screen, destroy eComponentScan. otherwise reset.
 181                 self.scan.statusChanged.get().remove(self.scanStatusChanged)
 182                 self.scan.newService.get().remove(self.newService)
 183                 if not self.isDone():
 184                         print "*** warning *** scan was not finished!"
 185
 186                 if onClose:
 187                         self.scan = None
 188                 else:
 189                         self.scan.clearAll()
 190
 191         def isDone(self):
 192                 return self.state == self.Done or self.state == self.Error
 193
 194         def newService(self):
 195                 newServiceName = self.scan.getLastServiceName()
 196                 self.servicelist.addItem(newServiceName)
 197                 self.lcd_summary.updateService(self.scan.getLastServiceName())
 198
 199         def destroy(self):
 200                 pass