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
|
#!/usr/bin/env python
#
# Copyright 2004,2006,2007 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., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
from gnuradio import gr, atsc
import sys, os
def main(args):
print os.getpid()
nargs = len (args)
if nargs == 1:
outfile = args[0]
else:
sys.stderr.write ('usage: viterbi_out.py output_file\n')
sys.exit (1)
tb = gr.top_block()
src = gr.file_source(atsc.sizeof_atsc_soft_data_segment, "/tmp/atsc_pipe_5")
viterbi = atsc.viterbi_decoder()
deinter = atsc.deinterleaver()
rs_dec = atsc.rs_decoder()
derand = atsc.derandomizer()
depad = atsc.depad()
dst = gr.file_sink(gr.sizeof_char,outfile)
tb.connect(src, viterbi, deinter, rs_dec, derand, depad, dst)
tb.run ()
if __name__ == '__main__':
main(sys.argv[1:])
|
