def decode(self, data, verbose=False):
""" Найти 2 единицы, убрать последнюю
развернуть последовательность,
получить цифру
data - binary
"""
bits, decoded = [], []
br = BitStreamReader(data)
while not br.finished():
bit = br.get()
if bit and bits and bits[-1]:
if verbose:
bits.append(bit)
if verbose: print ''.join(str(int(b)) for b in bits)
bits = bits[:-1]
number = 0
for i,b in enumerate(bits):
self.fibonacci_to_index(i)
number += b * self.fib_series[i]
if verbose: print number
decoded.append(number)
bits = []
else:
bits.append(bit)
return map(int,decoded)
def decode(self, data, verbose=False):
""" Найти 2 единицы, убрать последнюю
развернуть последовательность,
получить цифру
data - binary
"""
bits, decoded = [], []
br = BitStreamReader(data)
while not br.finished():
bit = br.get()
if bit and bits and bits[-1]:
if verbose:
bits.append(bit)
if verbose: print ''.join(str(b) for b in bits)
bits = bits[:-1]
number = 0
for i,b in enumerate(bits):
number += b * self.fib_series[i]
if verbose: print number
decoded.append(number)
bits = []
else:
bits.append(bit)
return decoded
def decode(self, data, verbose=False):
""" Return decoded sequence """
decoded = []
if verbose:
print
coded, j, k, control = [0] * self.n_data, 0, 0, 0
br = BitStreamReader(data)
while not br.finished():
bit = br.get()
if j < self.n_ctrl:
control |= bit << ((self.n_ctrl - 1) - j)
j += 1
else:
coded[k] = bit
k += 1
if k >= self.n_data:
n_bits = self.counts[::-1][control] - 1
if verbose:
print "".join([str(b) for b in self.bits(control)[-self.n_ctrl :]]), " ",
print "".join([str(c) for c in coded[:k]])
n_packed = self.n_data / (self.counts[control])
for n in xrange(self.counts[control]):
number = 0
for m in xrange(n_packed):
index = n * n_packed + m
number |= (1 if coded[index] else 0) << (n_bits - m)
decoded.append(number)
if verbose:
print decoded[-self.counts[control] :]
j, k, control = 0, 0, 0
return decoded
def decode(self, data, verbose=False):
""" Return decoded sequence """
decoded = []
if verbose: print
coded, j, k, control = [0] * self.n_data, 0, 0, 0
br = BitStreamReader(data)
while not br.finished():
bit = br.get()
if j < self.n_ctrl:
control |= (bit << ((self.n_ctrl - 1) - j))
j += 1
else:
coded[k] = bit
k += 1
if k >= self.n_data:
n_bits = (self.counts[::-1][control] - 1)
if verbose:
print ''.join([ str(b) for b in self.bits(control)[-self.n_ctrl:]]), ' ',
print ''.join([ str(c) for c in coded[:k]])
n_packed = (self.n_data / (self.counts[control]))
for n in xrange(self.counts[control]):
number = 0
for m in xrange(n_packed):
index = n * n_packed + m
number |= ((1 if coded[index] else 0) << (n_bits - m))
decoded.append(number)
if verbose: print decoded[-self.counts[control]:]
j, k, control = 0, 0, 0
return decoded
