from Components.Converter.Converter import Converter
+from Components.Element import cached
class FrontendInfo(Converter, object):
BER = 0
SNR = 1
AGC = 2
LOCK = 3
+ SNRdB = 4
+ SLOT_NUMBER = 5
+ TUNER_TYPE = 6
def __init__(self, type):
Converter.__init__(self, type)
self.type = self.BER
elif type == "SNR":
self.type = self.SNR
+ elif type == "SNRdB":
+ self.type = self.SNRdB
elif type == "AGC":
self.type = self.AGC
+ elif type == "NUMBER":
+ self.type = self.SLOT_NUMBER
+ elif type == "TYPE":
+ self.type = self.TUNER_TYPE
else:
self.type = self.LOCK
+ @cached
def getText(self):
- assert self.type != self.LOCK, "the text output of FrontendInfo cannot be used for lock info"
+ assert self.type not in (self.LOCK, self.SLOT_NUMBER), "the text output of FrontendInfo cannot be used for lock info"
+ percent = None
if self.type == self.BER: # as count
count = self.source.ber
if count is not None:
percent = self.source.agc
elif self.type == self.SNR:
percent = self.source.snr
-
+ elif self.type == self.SNRdB:
+ if self.source.snr_db is not None:
+ return "%3.02f dB" % (self.source.snr_db / 100.0)
+ elif self.source.snr is not None: #fallback to normal SNR...
+ percent = self.source.snr
+ elif self.type == self.TUNER_TYPE:
+ return self.source.frontend_type and self.frontend_type or "Unknown"
if percent is None:
return "N/A"
-
return "%d %%" % (percent * 100 / 65536)
+ @cached
def getBool(self):
- assert self.type in [self.LOCK, self.BER], "the boolean output of FrontendInfo can only be used for lock or BER info"
+ assert self.type in (self.LOCK, self.BER), "the boolean output of FrontendInfo can only be used for lock or BER info"
if self.type == self.LOCK:
- return self.source.lock
+ lock = self.source.lock
+ if lock is None:
+ lock = False
+ return lock
else:
- return self.source.ber > 0
+ ber = self.source.ber
+ if ber is None:
+ ber = 0
+ return ber > 0
text = property(getText)
boolean = property(getBool)
+ @cached
def getValue(self):
assert self.type != self.LOCK, "the value/range output of FrontendInfo can not be used for lock info"
if self.type == self.AGC:
return self.BER or 0
else:
return self.range
+ elif self.type == self.TUNER_TYPE:
+ type = self.source.frontend_type
+ if type == 'DVB-S':
+ return 0
+ elif type == 'DVB-C':
+ return 1
+ elif type == 'DVB-T':
+ return 2
+ return -1
+ elif self.type == self.SLOT_NUMBER:
+ num = self.source.slot_number
+ return num is None and -1 or num
range = 65536
value = property(getValue)