def decompress(code, bitin, out): dec = huffmancoding.HuffmanDecoder(bitin) dec.codetree = code while True: symbol = dec.read() if symbol == 256: # simbolo EOF break out.write(bytes((symbol,)) if python3 else chr(symbol))
def decompress(code, bitin, out): dec = huffmancoding.HuffmanDecoder(bitin) dec.codetree = code while True: symbol = dec.read() if symbol == 256: # EOF symbol break out.write(bytes((symbol,)))
def decompress(bit_in, code_tree, x_arr):
dec = huffmancoding.HuffmanDecoder(bit_in)
dec.codetree = code_tree
b_idx = 0
while True:
symbol = dec.read()
if symbol == 1024: # EOF symbol
break
x_arr[b_idx] = symbol
b_idx += 1
def decompress(code, bitin, out, files_name):
dec = huffmancoding.HuffmanDecoder(bitin)
dec.codetree = code
filesname = [os.path.join(out, i) for i in files_name]
output = [open(filename, 'wb') for filename in filesname]
i = 0
while True:
symbol = dec.read()
if symbol == 256: # EOF symbol
i += 1
if i == len(output):
break
else:
output[i].write(bytes((symbol, )))
def decompress(bitin, out): initfreqs = [1] * 257 freqs = huffmancoding.FrequencyTable(initfreqs) dec = huffmancoding.HuffmanDecoder(bitin) dec.codetree = freqs.build_code_tree() # Use same algorithm as the compressor count = 0 # Number of bytes written to the output file while True: # Decode and write one byte symbol = dec.read() if symbol == 256: # EOF symbol break out.write(bytes((symbol,))) count += 1 # Update the frequency table and possibly the code tree freqs.increment(symbol) if (count < 262144 and is_power_of_2(count)) or count % 262144 == 0: # Update code tree dec.codetree = freqs.build_code_tree() if count % 262144 == 0: # Reset frequency table freqs = huffmancoding.FrequencyTable(initfreqs)
