1 files changed, 111 insertions, 0 deletions
diff --git a/gr-audio/lib/portaudio/gri_portaudio.cc b/gr-audio/lib/portaudio/gri_portaudio.cc
new file mode 100644
index 000000000..faa472337
--- /dev/null
+++ b/gr-audio/lib/portaudio/gri_portaudio.cc
@@ -0,0 +1,111 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 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 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gri_portaudio.h>
+#include <portaudio.h>
+#include <string.h>
+
+
+PaDeviceIndex
+gri_pa_find_device_by_name(const char *name)
+{
+  int   i;
+  int   numDevices;
+  const PaDeviceInfo *pdi;
+  int   len = strlen( name );
+  PaDeviceIndex result = paNoDevice;
+  numDevices = Pa_GetDeviceCount();
+  for( i=0; i<numDevices; i++ )
+  {
+    pdi = Pa_GetDeviceInfo( i );
+    if( strncmp( name, pdi->name, len ) == 0 )
+    {
+      result = i;
+      break;
+    }
+  }
+  return result;
+}
+
+
+void
+gri_print_devices()
+{
+  int     numDevices, defaultDisplayed, myDevice=0;
+  const   PaDeviceInfo *deviceInfo;
+
+  numDevices = Pa_GetDeviceCount();
+  if (numDevices < 0)
+    return;
+
+  printf("Number of devices found = %d\n", numDevices);
+
+  for (int i=0; i < numDevices; i++ ) {
+    deviceInfo = Pa_GetDeviceInfo( i );
+    printf( "--------------------------------------- device #%d\n", i );
+    /* Mark global and API specific default devices */
+    defaultDisplayed = 0;
+    if( i == Pa_GetDefaultInputDevice() )
+      {
+	myDevice = i;
+	printf( "[ Default Input" );
+	defaultDisplayed = 1;
+      }
+    else if( i == Pa_GetHostApiInfo( deviceInfo->hostApi )->defaultInputDevice )
+      {
+	const PaHostApiInfo *hostInfo = Pa_GetHostApiInfo( deviceInfo->hostApi );
+	printf( "[ Default %s Input", hostInfo->name );
+	defaultDisplayed = 1;
+      }
+        
+    if( i == Pa_GetDefaultOutputDevice() )
+      {
+	printf( (defaultDisplayed ? "," : "[") );
+	printf( " Default Output" );
+	defaultDisplayed = 1;
+      }
+    else if( i == Pa_GetHostApiInfo( deviceInfo->hostApi )->defaultOutputDevice )
+      {
+	const PaHostApiInfo *hostInfo = Pa_GetHostApiInfo( deviceInfo->hostApi );
+	printf( (defaultDisplayed ? "," : "[") );                
+	printf( " Default %s Output", hostInfo->name );
+	defaultDisplayed = 1;
+      }
+    if( defaultDisplayed )
+      printf( " ]\n" );
+
+    /* print device info fields */
+    printf( "Name                        = %s\n", deviceInfo->name );
+    printf( "Host API                    = %s\n",  Pa_GetHostApiInfo( deviceInfo->hostApi )->name );
+    printf( "Max inputs = %d", deviceInfo->maxInputChannels  );
+    printf( ", Max outputs = %d\n", deviceInfo->maxOutputChannels  );
+
+    printf( "Default low input latency   = %8.3f\n", deviceInfo->defaultLowInputLatency  );
+    printf( "Default low output latency  = %8.3f\n", deviceInfo->defaultLowOutputLatency  );
+    printf( "Default high input latency  = %8.3f\n", deviceInfo->defaultHighInputLatency  );
+    printf( "Default high output latency = %8.3f\n", deviceInfo->defaultHighOutputLatency  );
+  }
+}