def catch_number(y, framerate, nframes):
frh = []
frl = []
math_list = [] # 存放频率
# DTMF编码
fruquent = [697, 770, 852, 941, 1209, 1336, 1477, 1633]
math = {(697, 1209): '1', (697, 1336): '2', (697, 1477): '3', (697, 1633): 'A',
(770, 1209): '4', (770, 1336): '5', (770, 1477): '6', (770, 1633): 'B',
(852, 1209): '7', (852, 1336): '8', (852, 1477): '9', (852, 1633): 'C',
(941, 1209): '*', (941, 1336): '0', (941, 1477): '#', (941, 1633): 'D'}
for fr in fruquent:
sum1 = sum(y[fr* nframes //framerate-(20* nframes //framerate):fr* nframes //framerate])
sum2 = sum(y[fr* nframes //framerate:fr * nframes //framerate+(20* nframes //framerate)])
sumx = sum1 + sum2
if fr < 1000:
frl.append([fr, sumx])
else:
frh.append([fr, sumx])
frl = sorted(frl, key=lambda x: x[1])
frh = sorted(frh, key=lambda x: x[1])
frl = frl.pop()
frh = frh.pop()
if frh[1] < 10:
return None
if frl[1] < 10:
return None
math_list.append(frl[0])
math_list.append(frh[0])
math_list = tuple(math_list)
for key, value in math.items():
if key == math_list:
return value
def getMathUptLut(scaleMap, obj1, obj2, math=None):
precision_math = getPrecisionByName(scaleMap, obj1, obj2, 'Math')
rc = {}
for cut, func in list(math.items()):
scale1 = getScaleByName(scaleMap, obj1, cut)
scale2 = getScaleByName(scaleMap, obj2, cut)
vec = tmEventSetup.DoubleVec()
lut = tmEventSetup.LlongVec()
n = tmEventSetup.getDeltaVector(vec, scale1, scale2)
func(vec, n)
tmEventSetup.setLut(lut, vec, precision_math)
rc[func.__name__] = lut
precision_pt = getPrecisionByName(scaleMap, obj1, obj2, 'MassPt')
if obj1 == obj2:
key = '-'.join([obj1, 'UPT'])
rc['Key'] = key
rc[key] = getUptLut(scaleMap, obj1, precision_pt)
return rc
