#!/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 def main(args): 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:])