Houston, we have a trunk.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5

8 files changed, 722 insertions, 0 deletions

diff --git a/gr-audio-oss/src/Makefile.am b/gr-audio-oss/src/Makefile.am
new file mode 100644
index 000000000..656d665a7
--- /dev/null
+++ b/gr-audio-oss/src/Makefile.am
@@ -0,0 +1,90 @@
+#
+# Copyright 2004,2005,2006 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., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+# 
+
+include $(top_srcdir)/Makefile.common
+
+LIBS += $(GNURADIO_CORE_LIBS)
+
+# Install this stuff so that it ends up as the gnuradio.audio_oss module
+# This usually ends up at:
+#   ${prefix}/lib/python${python_version}/site-packages/gnuradio
+
+ourpythondir = $(grpythondir)
+ourlibdir    = $(grpyexecdir)
+
+EXTRA_DIST = run_tests.in
+TESTS = run_tests
+
+LOCAL_IFILES = 				\
+	audio_oss.i				
+
+NON_LOCAL_IFILES =			\
+	$(top_srcdir)/gnuradio-core/src/lib/swig/gnuradio.i
+
+ALL_IFILES = 				\
+	$(LOCAL_IFILES)			\
+	$(NON_LOCAL_IFILES)		
+
+BUILT_SOURCES = 			\
+	audio_oss.cc			\
+	audio_oss.py			
+
+ourpython_PYTHON =			\
+	audio_oss.py
+
+INCLUDES = $(STD_DEFINES_AND_INCLUDES) $(PYTHON_CPPFLAGS)
+
+SWIGPYTHONARGS = $(SWIGPYTHONFLAGS) $(STD_DEFINES_AND_INCLUDES)
+
+ourlib_LTLIBRARIES = _audio_oss.la
+
+_audio_oss_la_SOURCES = 		\
+	audio_oss.cc			\
+	audio_oss_sink.cc		\
+	audio_oss_source.cc			
+
+
+grinclude_HEADERS =			\
+	audio_oss_sink.h		\
+	audio_oss_source.h			
+
+swiginclude_HEADERS = 			\
+	$(LOCAL_IFILES)
+
+_audio_oss_la_LIBADD = 			\
+	$(PYTHON_LDFLAGS)		\
+	-lstdc++				
+
+_audio_oss_la_LDFLAGS = $(NO_UNDEFINED) -module -avoid-version
+
+audio_oss.cc audio_oss.py: audio_oss.i $(NON_LOCAL_IFILES)
+	$(SWIG) $(SWIGPYTHONARGS) -module audio_oss -o audio_oss.cc $<
+
+# Don't distribute output of swig
+dist-hook:
+	@for file in $(BUILT_SOURCES); do echo $(RM) $(distdir)/$$file; done
+	@for file in $(BUILT_SOURCES); do $(RM) $(distdir)/$$file; done
+
+noinst_PYTHON = qa_oss.py
+
+MOSTLYCLEANFILES = \
+	$(BUILT_SOURCES) *~ *.pyc
+
diff --git a/gr-audio-oss/src/audio_oss.i b/gr-audio-oss/src/audio_oss.i
new file mode 100644
index 000000000..75bb31e48
--- /dev/null
+++ b/gr-audio-oss/src/audio_oss.i
@@ -0,0 +1,70 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+%feature("autodoc","1");
+
+%include "exception.i"
+%import "gnuradio.i"				// the common stuff
+
+%{
+#include "gnuradio_swig_bug_workaround.h"	// mandatory bug fix
+#include "audio_oss_sink.h"
+#include "audio_oss_source.h"
+#include <stdexcept>
+%}
+
+// ----------------------------------------------------------------
+
+GR_SWIG_BLOCK_MAGIC(audio_oss,sink)
+
+audio_oss_sink_sptr
+audio_oss_make_sink (int sampling_rate,
+		     const std::string dev = "",
+		     bool ok_to_block = true
+		     ) throw (std::runtime_error);
+
+
+class audio_oss_sink : public gr_sync_block {
+ protected:
+  audio_oss_sink (int sampling_rate, const std::string device_name = "", bool ok_to_block = true);
+
+ public:
+  ~audio_oss_sink ();
+};
+
+// ----------------------------------------------------------------
+
+GR_SWIG_BLOCK_MAGIC(audio_oss,source)
+
+audio_oss_source_sptr
+audio_oss_make_source (int sampling_rate,
+		       const std::string dev = "",
+		       bool ok_to_block = true
+		       ) throw (std::runtime_error);
+
+class audio_oss_source : public gr_sync_block {
+ protected:
+  audio_oss_source (int sampling_rate, const std::string device_name = "", bool ok_to_block = true);
+
+ public:
+  ~audio_oss_source ();
+};
diff --git a/gr-audio-oss/src/audio_oss_sink.cc b/gr-audio-oss/src/audio_oss_sink.cc
new file mode 100644
index 000000000..eff3de496
--- /dev/null
+++ b/gr-audio-oss/src/audio_oss_sink.cc
@@ -0,0 +1,161 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <audio_oss_sink.h>
+#include <gr_io_signature.h>
+#include <gr_prefs.h>
+#include <sys/soundcard.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <iostream>
+#include <stdexcept>
+
+
+static std::string
+default_device_name ()
+{
+  return gr_prefs::singleton()->get_string("audio_oss", "default_output_device", "/dev/dsp");
+}
+
+audio_oss_sink_sptr
+audio_oss_make_sink (int sampling_rate, const std::string dev, bool ok_to_block)
+{
+  return audio_oss_sink_sptr (new audio_oss_sink (sampling_rate, dev, ok_to_block));
+}
+
+audio_oss_sink::audio_oss_sink (int sampling_rate,
+				const std::string device_name,
+				bool ok_to_block)
+  : gr_sync_block ("audio_oss_sink",
+		   gr_make_io_signature (1, 2, sizeof (float)),
+		   gr_make_io_signature (0, 0, 0)),
+    d_sampling_rate (sampling_rate),
+    d_device_name (device_name.empty() ? default_device_name() : device_name),
+    d_fd (-1), d_buffer (0), d_chunk_size (0)
+{
+  if ((d_fd = open (d_device_name.c_str (), O_WRONLY)) < 0){
+    fprintf (stderr, "audio_oss_sink: ");
+    perror (d_device_name.c_str ());
+    throw std::runtime_error ("audio_oss_sink");
+  }
+
+  double CHUNK_TIME = 
+    std::max(0.001, gr_prefs::singleton()->get_double("audio_oss", "latency", 0.005));
+
+  d_chunk_size = (int) (d_sampling_rate * CHUNK_TIME);
+  set_output_multiple (d_chunk_size);
+
+  d_buffer = new short [d_chunk_size * 2];
+
+  int format = AFMT_S16_NE;
+  int orig_format = format;
+  if (ioctl (d_fd, SNDCTL_DSP_SETFMT, &format) < 0){
+    std::cerr << "audio_oss_sink: " << d_device_name << " ioctl failed\n";
+    perror (d_device_name.c_str ());
+    throw std::runtime_error ("audio_oss_sink");
+  }
+
+  if (format != orig_format){
+    fprintf (stderr, "audio_oss_sink: unable to support format %d\n", orig_format);
+    fprintf (stderr, "  card requested %d instead.\n", format);
+  }
+
+  // set to stereo no matter what.  Some hardware only does stereo
+  int channels = 2;
+  if (ioctl (d_fd, SNDCTL_DSP_CHANNELS, &channels) < 0 || channels != 2){
+    perror ("audio_oss_sink: could not set STEREO mode");
+    throw std::runtime_error ("audio_oss_sink");
+  }
+
+  // set sampling freq
+  int sf = sampling_rate;
+  if (ioctl (d_fd, SNDCTL_DSP_SPEED, &sf) < 0){
+    std::cerr << "audio_oss_sink: "
+	      << d_device_name << ": invalid sampling_rate "
+	      << sampling_rate << "\n";
+    sampling_rate = 8000;
+    if (ioctl (d_fd, SNDCTL_DSP_SPEED, &sf) < 0){
+      std::cerr << "audio_oss_sink: failed to set sampling_rate to 8000\n";
+      throw std::runtime_error ("audio_oss_sink");
+    }
+  }
+}
+
+audio_oss_sink::~audio_oss_sink ()
+{
+  close (d_fd);
+  delete [] d_buffer;
+}
+
+
+int
+audio_oss_sink::work (int noutput_items,
+		      gr_vector_const_void_star &input_items,
+		      gr_vector_void_star &output_items)
+{
+  const float  *f0, *f1;
+  
+  switch (input_items.size ()){
+
+  case 1:		// mono input
+
+    f0 = (const float *) input_items[0];
+
+    for (int i = 0; i < noutput_items; i += d_chunk_size){
+      for (int j = 0; j < d_chunk_size; j++){
+	d_buffer[2*j+0] = (short) (f0[j] * 32767);
+	d_buffer[2*j+1] = (short) (f0[j] * 32767);
+      }
+      f0 += d_chunk_size;
+      if (write (d_fd, d_buffer, 2 * d_chunk_size * sizeof (short)) < 0)
+	perror ("audio_oss_sink: write");
+    }
+    break;
+    
+  case 2:		// stereo input
+
+    f0 = (const float *) input_items[0];
+    f1 = (const float *) input_items[1];
+
+    for (int i = 0; i < noutput_items; i += d_chunk_size){
+      for (int j = 0; j < d_chunk_size; j++){
+	d_buffer[2*j+0] = (short) (f0[j] * 32767);
+	d_buffer[2*j+1] = (short) (f1[j] * 32767);
+      }
+      f0 += d_chunk_size;
+      f1 += d_chunk_size;
+      if (write (d_fd, d_buffer, 2 * d_chunk_size * sizeof (short)) < 0)
+	perror ("audio_oss_sink: write");
+    }
+    break;
+  }
+
+  return noutput_items;
+}
diff --git a/gr-audio-oss/src/audio_oss_sink.h b/gr-audio-oss/src/audio_oss_sink.h
new file mode 100644
index 000000000..940ce46f0
--- /dev/null
+++ b/gr-audio-oss/src/audio_oss_sink.h
@@ -0,0 +1,66 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef INCLUDED_AUDIO_OSS_SINK_H
+#define INCLUDED_AUDIO_OSS_SINK_H
+
+#include <gr_sync_block.h>
+#include <string>
+
+
+class audio_oss_sink;
+typedef boost::shared_ptr<audio_oss_sink> audio_oss_sink_sptr;
+
+audio_oss_sink_sptr
+audio_oss_make_sink (int sampling_rate,
+		     const std::string dev = "",
+		     bool ok_to_block = true);
+
+/*!
+ * \brief audio sink using OSS
+ *
+ * input signature is one or two streams of floats.
+ * Input samples must be in the range [-1,1].
+ */
+
+class audio_oss_sink : public gr_sync_block {
+  friend audio_oss_sink_sptr
+  audio_oss_make_sink (int sampling_rate, const std::string device_name, bool ok_to_block);
+
+  int		d_sampling_rate;
+  std::string	d_device_name;
+  int		d_fd;
+  short	       *d_buffer;
+  int		d_chunk_size;
+
+ protected:
+  audio_oss_sink (int sampling_rate, const std::string device_name = "", bool ok_to_block = true);
+
+ public:
+  ~audio_oss_sink ();
+  
+  int work (int noutput_items,
+	    gr_vector_const_void_star &input_items,
+	    gr_vector_void_star &output_items);
+};
+
+#endif /* INCLUDED_AUDIO_OSS_SINK_H */
diff --git a/gr-audio-oss/src/audio_oss_source.cc b/gr-audio-oss/src/audio_oss_source.cc
new file mode 100644
index 000000000..6afb08831
--- /dev/null
+++ b/gr-audio-oss/src/audio_oss_source.cc
@@ -0,0 +1,178 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <audio_oss_source.h>
+#include <gr_io_signature.h>
+#include <gr_prefs.h>
+#include <sys/soundcard.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <iostream>
+#include <stdexcept>
+
+
+static std::string
+default_device_name ()
+{
+  return gr_prefs::singleton()->get_string("audio_oss", "default_input_device", "/dev/dsp");
+}
+
+audio_oss_source_sptr
+audio_oss_make_source (int sampling_rate, const std::string dev, bool ok_to_block)
+{
+  return audio_oss_source_sptr (new audio_oss_source (sampling_rate, dev, ok_to_block));
+}
+
+
+audio_oss_source::audio_oss_source (int sampling_rate,
+				    const std::string device_name,
+				    bool ok_to_block)
+  : gr_sync_block ("audio_oss_source",
+		   gr_make_io_signature (0, 0, 0),
+		   gr_make_io_signature (1, 2, sizeof (float))),
+    d_sampling_rate (sampling_rate),
+    d_device_name (device_name.empty() ? default_device_name() : device_name),
+    d_fd (-1), d_buffer (0), d_chunk_size (0)
+{
+  if ((d_fd = open (d_device_name.c_str (), O_RDONLY)) < 0){
+    fprintf (stderr, "audio_oss_source: ");
+    perror (d_device_name.c_str ());
+    throw std::runtime_error ("audio_oss_source");
+  }
+
+  double CHUNK_TIME =
+    std::max(0.001, gr_prefs::singleton()->get_double("audio_oss", "latency", 0.005));
+
+  d_chunk_size = (int) (d_sampling_rate * CHUNK_TIME);
+  set_output_multiple (d_chunk_size);
+
+  d_buffer = new short [d_chunk_size * 2];
+
+  int format = AFMT_S16_NE;
+  int orig_format = format;
+  if (ioctl (d_fd, SNDCTL_DSP_SETFMT, &format) < 0){
+    std::cerr << "audio_oss_source: " << d_device_name << " ioctl failed\n";
+    perror (d_device_name.c_str ());
+    throw std::runtime_error ("audio_oss_source");
+  }
+
+  if (format != orig_format){
+    fprintf (stderr, "audio_oss_source: unable to support format %d\n", orig_format);
+    fprintf (stderr, "  card requested %d instead.\n", format);
+  }
+
+  // set to stereo no matter what.  Some hardware only does stereo
+  int channels = 2;
+  if (ioctl (d_fd, SNDCTL_DSP_CHANNELS, &channels) < 0 || channels != 2){
+    perror ("audio_oss_source: could not set STEREO mode");
+    throw std::runtime_error ("audio_oss_source");
+  }
+
+  // set sampling freq
+  int sf = sampling_rate;
+  if (ioctl (d_fd, SNDCTL_DSP_SPEED, &sf) < 0){
+    std::cerr << "audio_oss_source: "
+	      << d_device_name << ": invalid sampling_rate "
+	      << sampling_rate << "\n";
+    sampling_rate = 8000;
+    if (ioctl (d_fd, SNDCTL_DSP_SPEED, &sf) < 0){
+      std::cerr << "audio_oss_source: failed to set sampling_rate to 8000\n";
+      throw std::runtime_error ("audio_oss_source");
+    }
+  }
+}
+
+audio_oss_source::~audio_oss_source ()
+{
+  close (d_fd);
+  delete [] d_buffer;
+}
+
+int
+audio_oss_source::work (int noutput_items,
+			gr_vector_const_void_star &input_items,
+			gr_vector_void_star &output_items)
+{
+  float *f0 = (float *) output_items[0];
+  float *f1 = (float *) output_items[1];	// will be invalid if this is mono output
+
+  const int shorts_per_item = 2;		// L + R
+  const int bytes_per_item = shorts_per_item * sizeof (short);
+
+  // To minimize latency, never return more than CHUNK_TIME
+  // worth of samples per call to work.  
+
+  noutput_items = std::min (noutput_items, d_chunk_size);
+
+  int	base = 0;
+  int	ntogo = noutput_items;
+  
+  while (ntogo > 0){
+    int nbytes = std::min (ntogo, d_chunk_size) * bytes_per_item;
+    int result_nbytes = read (d_fd, d_buffer, nbytes);
+
+    if (result_nbytes < 0){
+      perror ("audio_oss_source");
+      return -1;		// say we're done
+    }
+
+    if ((result_nbytes & (bytes_per_item - 1)) != 0){
+      fprintf (stderr, "audio_oss_source: internal error.\n");
+      throw std::runtime_error ("internal error");
+    }
+
+    int result_nitems = result_nbytes / bytes_per_item;
+
+    // now unpack samples into output streams
+
+    switch (output_items.size ()){
+      case 1:			// mono output
+	for (int i = 0; i < result_nitems; i++){
+	  f0[base+i] = d_buffer[2*i+0] * (1.0 / 32767);
+	}
+	break;
+
+      case 2:			// stereo output	
+	for (int i = 0; i < result_nitems; i++){
+	  f0[base+i] = d_buffer[2*i+0] * (1.0 / 32767);
+	  f1[base+i] = d_buffer[2*i+1] * (1.0 / 32767);
+	}
+	break;
+
+      default:
+	assert (0);
+      }
+
+    ntogo -= result_nitems;
+    base += result_nitems;
+  }
+
+  return noutput_items - ntogo;
+}
diff --git a/gr-audio-oss/src/audio_oss_source.h b/gr-audio-oss/src/audio_oss_source.h
new file mode 100644
index 000000000..4f0facd44
--- /dev/null
+++ b/gr-audio-oss/src/audio_oss_source.h
@@ -0,0 +1,70 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2006 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef INCLUDED_AUDIO_OSS_SOURCE_H
+#define INCLUDED_AUDIO_OSS_SOURCE_H
+
+#include <gr_sync_block.h>
+#include <string>
+
+
+class audio_oss_source;
+typedef boost::shared_ptr<audio_oss_source> audio_oss_source_sptr;
+
+audio_oss_source_sptr
+audio_oss_make_source (int sampling_rate,
+		       const std::string dev = "",
+		       bool ok_to_block = true);
+
+/*!
+ * \brief audio source using OSS
+ *
+ * Output signature is one or two streams of floats.
+ * Output samples will be in the range [-1,1].
+ */
+
+class audio_oss_source : public gr_sync_block {
+  friend audio_oss_source_sptr
+  audio_oss_make_source (int sampling_rate, const std::string device_name, bool ok_to_block);
+
+  int		d_sampling_rate;
+  std::string	d_device_name;
+  int		d_fd;
+  short	       *d_buffer;
+  int		d_chunk_size;
+
+ protected:
+  audio_oss_source (int sampling_rate,
+		    const std::string device_name = "",
+		    bool ok_to_block = true);
+
+ public:
+  ~audio_oss_source ();
+  
+  int work (int noutput_items,
+	    gr_vector_const_void_star &input_items,
+	    gr_vector_void_star &output_items);
+};
+
+
+
+#endif /* INCLUDED_AUDIO_OSS_SOURCE_H */
diff --git a/gr-audio-oss/src/qa_oss.py b/gr-audio-oss/src/qa_oss.py
new file mode 100755
index 000000000..f74765434
--- /dev/null
+++ b/gr-audio-oss/src/qa_oss.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+#
+# Copyright 2005 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., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+# 
+
+from gnuradio import gr, gr_unittest
+import audio_oss
+
+class qa_oss (gr_unittest.TestCase):
+
+    def setUp (self):
+        self.fg = gr.flow_graph ()
+
+    def tearDown (self):
+        self.fg = None
+
+    def test_000_nop (self):
+        """Just see if we can import the module...
+        They may not have OSS drivers, etc.  Don't try to run anything"""
+        pass
+    
+if __name__ == '__main__':
+    gr_unittest.main ()
diff --git a/gr-audio-oss/src/run_tests.in b/gr-audio-oss/src/run_tests.in
new file mode 100644
index 000000000..ec252d508
--- /dev/null
+++ b/gr-audio-oss/src/run_tests.in
@@ -0,0 +1,47 @@
+#!/bin/sh
+
+# All this strange PYTHONPATH manipulation is required to run our
+# tests using our just built shared library and swig-generated python
+# code prior to installation.
+
+# build tree == src tree unless you're doing a VPATH build.  
+# If you don't know what a VPATH build is, you're not doing one.  Relax...
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+
+# Where to look in the build tree for our shared library
+libbld=@abs_top_builddir@/gr-audio-oss/src
+# Where to look in the src tree for swig generated python code
+libsrc=@abs_top_srcdir@/gr-audio-oss/src
+# Where to look in the src tree for hand written python code
+py=@abs_top_srcdir@/gr-audio-oss/src
+
+# Where to look for GNU Radio python modules in current build tree
+# FIXME this is wrong on a distcheck.  We really need to ask gnuradio-core
+# where it put its python files.
+grpythonbld=@abs_top_builddir@/gnuradio-core/src/python/:@abs_top_builddir@/gnuradio-core/src/lib/swig/:@abs_top_builddir@/gnuradio-core/src/lib/swig/.libs
+
+PYTHONPATH="$grpythonbld:$libbld:$libbld/.libs:$libsrc:$py:$PYTHONPATH"
+export PYTHONPATH
+
+#
+# This is the simple part...
+# Run everything that matches qa_*.py and return the final result.
+#
+
+ok=yes
+for file in @srcdir@/qa_*.py
+do
+  if ! $file
+  then
+    ok=no
+  fi  
+done
+
+if [ $ok = yes ]
+then
+  exit 0
+else
+  exit 1
+fi