3 # Copyright 2006,2007,2010 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
7 # GNU Radio is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3, or (at your option)
12 # GNU Radio is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GNU Radio; see the file COPYING. If not, write to
19 # the Free Software Foundation, Inc., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
23 from gnuradio import gr, audio
24 from gnuradio.eng_option import eng_option
25 from optparse import OptionParser
27 class dial_tone_sink(gr.top_block):
28 def __init__(self, host, port, pkt_size, sample_rate, eof, wait):
29 gr.top_block.__init__(self, "dial_tone_sink")
30 udp = gr.udp_source(gr.sizeof_float, host, port, pkt_size,
32 sink = audio.sink(sample_rate)
33 self.connect(udp, sink)
35 if __name__ == '__main__':
36 parser = OptionParser(option_class=eng_option)
37 parser.add_option("", "--host", type="string", default="0.0.0.0",
38 help="local host name (domain name or IP address)")
39 parser.add_option("", "--port", type="int", default=65500,
40 help="port value to listen to for connection")
41 parser.add_option("", "--packet-size", type="int", default=1472,
43 parser.add_option("-r", "--sample-rate", type="int", default=8000,
44 help="audio signal sample rate [default=%default]")
45 parser.add_option("", "--no-eof", action="store_true", default=False,
46 help="don't send EOF on disconnect")
47 parser.add_option("", "--no-wait", action="store_true", default=False,
48 help="don't wait for source")
49 (options, args) = parser.parse_args()
54 # Create an instance of a hierarchical block
55 top_block = dial_tone_sink(options.host, options.port,
56 options.packet_size, options.sample_rate,
57 not options.no_eof, not options.no_wait)
62 except KeyboardInterrupt: