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#!/usr/bin/env python
#
# Copyright 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 2, 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, audio
from gnuradio.eng_option import eng_option
from optparse import OptionParser
class audio_source(gr.top_block):
def __init__(self, src, dst, port, pkt_size, sample_rate):
gr.top_block.__init__(self, "audio_source")
self.audio = audio.source(sample_rate)
self.sink = gr.udp_sink(gr.sizeof_float, src, 0, dst, port, pkt_size)
self.connect(self.audio, self.sink)
if __name__ == '__main__':
parser = OptionParser(option_class=eng_option)
parser.add_option("", "--src-name", type="string", default="localhost",
help="local host name (domain name or IP address)")
parser.add_option("", "--dst-name", type="string", default="localhost",
help="Remote host name (domain name or IP address")
parser.add_option("", "--dst-port", type="int", default=65500,
help="port value to connect to")
parser.add_option("", "--packet-size", type="int", default=1472,
help="packet size.")
parser.add_option("-r", "--sample-rate", type="int", default=32000 ,
help="audio signal sample rate [default=%default]")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
raise SystemExit, 1
# Create an instance of a hierarchical block
top_block = audio_source(options.src_name, options.dst_name, options.dst_port,
options.packet_size, options.sample_rate)
# Create an instance of a runtime, passing it the top block
runtime = gr.runtime(top_block)
try:
# Run forever
runtime.run()
except KeyboardInterrupt:
# Ctrl-C exits
pass
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