Merged -r7723:7729 from jcorgan/wav into trunk, with added example program. Adds Martin Braun's gr.wavfile_source and gr.wavfile_sink blocks.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7730 221aa14e-8319-0410-a670-987f0aec2ac5

3 files changed, 69 insertions, 2 deletions

diff --git a/gnuradio-core/src/python/gnuradio/gr/Makefile.am b/gnuradio-core/src/python/gnuradio/gr/Makefile.am
index 7406d062d..5aaef2540 100644
--- a/gnuradio-core/src/python/gnuradio/gr/Makefile.am
+++ b/gnuradio-core/src/python/gnuradio/gr/Makefile.am
@@ -21,8 +21,9 @@
 
 include $(top_srcdir)/Makefile.common
 
-EXTRA_DIST = run_tests.in
-
+EXTRA_DIST = 			\
+	run_tests.in		\
+	test_16bit_1chunk.wav
 
 TESTS = 			\
 	run_tests
diff --git a/gnuradio-core/src/python/gnuradio/gr/qa_wavefile.py b/gnuradio-core/src/python/gnuradio/gr/qa_wavefile.py
new file mode 100755
index 000000000..5f46ea87b
--- /dev/null
+++ b/gnuradio-core/src/python/gnuradio/gr/qa_wavefile.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+#
+# Copyright 2008 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, gr_unittest
+
+import os
+from os.path import getsize
+
+class qa_wavefile(gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block ()
+
+    def tearDown (self):
+        self.tb = None
+
+    def test_001_checkwavread (self):
+	wf = gr.wavfile_source("./test_16bit_1chunk.wav")
+	self.assertEqual(wf.sample_rate(), 8000)
+
+    def test_002_checkwavcopy (self):
+	infile  = "test_16bit_1chunk.wav"
+	outfile = "test_out.wav"
+
+	wf_in  = gr.wavfile_source(infile)
+	wf_out = gr.wavfile_sink(outfile,
+				 wf_in.channels(),
+				 wf_in.sample_rate(),
+				 wf_in.bits_per_sample())
+	self.tb.connect(wf_in, wf_out)
+	self.tb.run()
+	wf_out.close()
+
+	self.assertEqual(getsize(infile), getsize(outfile))
+
+	in_f  = file(infile,  'rb')
+	out_f = file(outfile, 'rb')
+
+	in_data  = in_f.read(getsize(infile))
+	out_data = out_f.read(getsize(outfile))
+	os.remove(outfile)
+	
+	self.assertEqual(in_data, out_data)
+
+
+if __name__ == '__main__':
+    gr_unittest.main ()
diff --git a/gnuradio-core/src/python/gnuradio/gr/test_16bit_1chunk.wav b/gnuradio-core/src/python/gnuradio/gr/test_16bit_1chunk.wav
new file mode 100644
index 000000000..0fe12a7a1
--- /dev/null
+++ b/gnuradio-core/src/python/gnuradio/gr/test_16bit_1chunk.wav