1 files changed, 66 insertions, 0 deletions
diff --git a/gr-audio-portaudio/src/python/test_resampler_pa.py b/gr-audio-portaudio/src/python/test_resampler_pa.py
new file mode 100755
index 000000000..89dc1bcf4
--- /dev/null
+++ b/gr-audio-portaudio/src/python/test_resampler_pa.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2005,2007 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., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+# 
+
+from gnuradio import gr, gru, blks2
+from gnuradio import audio_portaudio
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+
+
+class my_top_block(gr.top_block):
+
+    def __init__(self):
+        gr.top_block.__init__(self)
+
+        parser = OptionParser(option_class=eng_option)
+        parser.add_option("-O", "--audio-output", type="string", default="",
+                          help="pcm output device name.  E.g., hw:0,0 or /dev/dsp")
+        parser.add_option("-i", "--input-rate", type="eng_float", default=8000,
+                          help="set input sample rate to RATE (%default)")
+        parser.add_option("-o", "--output-rate", type="eng_float", default=48000,
+                          help="set output sample rate to RATE (%default)")
+        (options, args) = parser.parse_args ()
+        if len(args) != 0:
+            parser.print_help()
+            raise SystemExit, 1
+
+        input_rate = int(options.input_rate)
+        output_rate = int(options.output_rate)
+
+        interp = gru.lcm(input_rate, output_rate) / input_rate
+        decim = gru.lcm(input_rate, output_rate) / output_rate
+
+        print "interp =", interp
+        print "decim  =", decim
+
+        ampl = 0.1
+        src0 = gr.sig_source_f (input_rate, gr.GR_SIN_WAVE, 650, ampl)
+        rr = blks2.rational_resampler_fff(interp, decim)
+        dst = audio_portaudio.sink (output_rate, options.audio_output)
+        self.connect (src0, rr, (dst, 0))
+
+
+if __name__ == '__main__':
+    try:
+        my_top_block().run()
+    except KeyboardInterrupt:
+        pass