def setUp(self):
garbage.GarbageTrackerTest.setUp(self)
self._leveller = leveller.Leveller('/tmp')
# cheat and put values in here
self._half_dB = common.rawToDecibel(0.5)
self._quarter_dB = common.rawToDecibel(0.25)
self._leveller.rmsdBs = [
level.Level(
sequence=[(level.SECOND, self._half_dB)],
scale=level.SCALE_DECIBEL),
level.Level(
sequence=[(level.SECOND, self._quarter_dB)],
scale=level.SCALE_DECIBEL),
]
def setUp(self):
# cheat and put values in here
self._half_dB = common.rawToDecibel(0.5)
self._quarter_dB = common.rawToDecibel(0.25)
def testZero(self):
self.assertEquals(common.rawToDecibel(0.0), -1000.0)
if end is None:
end = self.end()
l = self.convert(SCALE_RAW)
squaresum = 0.0
for endtime, value in l:
if endtime < start:
continue
if endtime > end:
continue
squaresum += value * value
ret = math.sqrt(squaresum / len(l))
if self._scale == SCALE_DECIBEL:
ret = common.rawToDecibel(ret)
return ret
def trim(self, start=None, end=None):
"""
Return a trimmed level with the given start and end, inclusive.
@rtype: L{Level}
"""
if start is None and end is None:
return self
if start is None:
start = 0L
