/usr/lib/python2.7/dist-packages/gnuradio/fec/capillary_threaded_decoder.py is in gnuradio 3.7.11-10.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | #!/usr/bin/env python
#
# Copyright 2014 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
from gnuradio import gr, blocks
import fec_swig as fec
import math
class capillary_threaded_decoder(gr.hier_block2):
def __init__(self, decoder_list_0, input_size, output_size):
gr.hier_block2.__init__(
self, "Capillary Threaded Decoder",
gr.io_signature(1, 1, input_size*1),
gr.io_signature(1, 1, output_size*1))
self.decoder_list_0 = decoder_list_0
check = math.log10(len(self.decoder_list_0)) / math.log10(2.0)
if(abs(check - int(check)) > 0):
gr.log.info("fec.capillary_threaded_decoder: number of decoders must be a power of 2.")
raise AttributeError
self.deinterleaves_0 = []
for i in range(int(math.log(len(decoder_list_0), 2))):
for j in range(int(math.pow(2, i))):
self.deinterleaves_0.append(blocks.deinterleave(input_size,
fec.get_decoder_input_size(decoder_list_0[0])))
self.generic_decoders_0 = []
for i in range(len(decoder_list_0)):
self.generic_decoders_0.append(fec.decoder(decoder_list_0[i], input_size, output_size))
self.interleaves_0 = []
for i in range(int(math.log(len(decoder_list_0), 2))):
for j in range(int(math.pow(2, i))):
self.interleaves_0.append(blocks.interleave(output_size,
fec.get_decoder_output_size(decoder_list_0[0])))
rootcount = 0
branchcount = 1
for i in range(int(math.log(len(decoder_list_0), 2)) - 1):
for j in range(int(math.pow(2, i))):
self.connect((self.deinterleaves_0[rootcount], 0), (self.deinterleaves_0[branchcount], 0))
self.connect((self.deinterleaves_0[rootcount], 1), (self.deinterleaves_0[branchcount + 1], 0))
rootcount += 1
branchcount += 2
codercount = 0
for i in range(len(decoder_list_0)/2):
self.connect((self.deinterleaves_0[rootcount], 0), (self.generic_decoders_0[codercount], 0))
self.connect((self.deinterleaves_0[rootcount], 1), (self.generic_decoders_0[codercount + 1], 0))
rootcount += 1
codercount += 2
rootcount = 0
branchcount = 1
for i in range(int(math.log(len(decoder_list_0), 2)) - 1):
for j in range(int(math.pow(2, i))):
self.connect((self.interleaves_0[branchcount], 0), (self.interleaves_0[rootcount], 0))
self.connect((self.interleaves_0[branchcount + 1], 0), (self.interleaves_0[rootcount], 1))
rootcount += 1
branchcount += 2
codercount = 0
for i in range(len(decoder_list_0)/2):
self.connect((self.generic_decoders_0[codercount], 0), (self.interleaves_0[rootcount], 0))
self.connect((self.generic_decoders_0[codercount + 1], 0), (self.interleaves_0[rootcount], 1))
rootcount += 1
codercount += 2
if ((len(self.decoder_list_0)) > 1):
self.connect((self, 0), (self.deinterleaves_0[0], 0))
self.connect((self.interleaves_0[0], 0), (self, 0))
else:
self.connect((self, 0), (self.generic_decoders_0[0], 0))
self.connect((self.generic_decoders_0[0], 0), (self, 0))
def get_decoder_list_0(self):
return self.decoder_list_0
def set_decoder_list_0(self, decoder_list_0):
self.decoder_list_0 = decoder_list_0
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