tools/host_tools/FormatConverter/lamedb.py

   1 from datasource import datasource
   2
   3 class lamedb(datasource):
   4         def __init__(self, filename = "lamedb"):
   5                 datasource.__init__(self)
   6                 self.setFilename(filename)
   7
   8         def setFilename(self, filename):
   9                 self.filename = filename
  10
  11         def getName(self):
  12                 return "lamedb"
  13
  14         def getCapabilities(self):
  15                 return [("read file", self.read), ("print all", self.printAll)]
  16
  17         def read(self):
  18                 inputfile = open(self.filename, "r")
  19                 lines = inputfile.readlines()
  20                 inputfile.close()
  21
  22                 versionstring = lines[0].split('/')
  23                 version = int(versionstring[1])
  24                 if 3 > version or 4 < version:
  25                         print "unsupported lamedb version"
  26                         return
  27
  28                 transpondersreading = False
  29                 sats = {}
  30                 transponders = {}
  31                 for line in lines:
  32                         if line.strip() == "transponders":
  33                                 transpondersreading = True
  34                                 continue
  35                         if line.strip() == "services":
  36                                 transpondersreading = False
  37                                 continue
  38                         if transpondersreading:
  39                                 if ord(line[0]) == 9:
  40                                         transponder = line.strip().split(' ')[1].split(':')
  41                                         sat = transponder[4]
  42                                         if not sats.has_key(sat):
  43                                                 sats[sat] = []
  44                                         sats[sat].append((transponder, tsid, onid))
  45                                         tsid = None
  46                                         onid = None
  47                                 elif line.strip() != "/" and line.strip() != "end":
  48                                         data = line.strip().split(":")
  49                                         tsid = str(int(data[1], 16))
  50                                         onid = str(int(data[2], 16))
  51                 satlist = sats.keys()
  52                 satlist.sort()
  53
  54                 for sat in satlist:
  55                         print sat
  56                         self.addSat(sat, sat)
  57                         transponders = sats[sat]
  58                         transponders.sort(key = lambda a: a[0])
  59                         for transpondertuple in transponders:
  60                                 transponder = transpondertuple[0]
  61                                 tsid = transpondertuple[1]
  62                                 onid = transpondertuple[2]
  63                                 print transponder, tsid, onid
  64                                 tmp_transponder = {}
  65                                 tmp_transponder["frequency"] = transponder[0]
  66                                 tmp_transponder["symbol_rate"] = transponder[1]
  67                                 tmp_transponder["polarization"] = transponder[2]
  68                                 tmp_transponder["fec"] = transponder[3]
  69                                 if version == 3:
  70                                         if len(transponder) > 6:
  71                                                 tmp_transponder["system"] = transponder[6]
  72                                                 tmp_transponder["modulation"] = transponder[7]
  73                                 elif version == 4:
  74                                         if len(transponder) > 7:
  75                                                 tmp_transponder["system"] = transponder[7]
  76                                                 tmp_transponder["modulation"] = transponder[8]
  77                                 if (tsid != "1" or onid != "1"):
  78                                         tmp_transponder["tsid"] = transponder[0]
  79                                         tmp_transponder["onid"] = transponder[0]
  80                                 self.addTransponder(sat, tmp_transponder)
  81