Move library tree where it belongs

lib-src/rtaudio/tests/call_inout.cpp

@@ -0,0 +1,102 @@
+/******************************************/
+/*
+  call_inout.cpp
+  by Gary P. Scavone, 2001
+
+  Records from default input and passes it
+  through to the output.  Takes number of
+  channels and sample rate as input arguments.
+  Uses callback functionality.
+*/
+/******************************************/
+
+#include "RtAudio.h"
+#include <iostream>
+
+/*
+typedef signed long  MY_TYPE;
+#define FORMAT RTAUDIO_SINT24
+
+typedef char  MY_TYPE;
+#define FORMAT RTAUDIO_SINT8
+
+typedef signed short  MY_TYPE;
+#define FORMAT RTAUDIO_SINT16
+
+typedef signed long  MY_TYPE;
+#define FORMAT RTAUDIO_SINT32
+
+typedef float  MY_TYPE;
+#define FORMAT RTAUDIO_FLOAT32
+*/
+
+typedef double  MY_TYPE;
+#define FORMAT RTAUDIO_FLOAT64
+
+void usage(void) {
+  /* Error function in case of incorrect command-line
+     argument specifications
+  */
+  std::cout << "\nuseage: call_inout N fs device\n";
+  std::cout << "    where N = number of channels,\n";
+  std::cout << "    fs = the sample rate,\n";
+  std::cout << "    and device = the device to use (default = 0).\n\n";
+  exit(0);
+}
+
+int inout(char *buffer, int buffer_size, void *)
+{
+  // Surprise!!  We do nothing to pass the data through.
+  return 0;
+}
+
+int main(int argc, char *argv[])
+{
+  int chans, fs, device = 0;
+  RtAudio *audio;
+  char input;
+
+  // minimal command-line checking
+  if (argc != 3 && argc != 4 ) usage();
+
+  chans = (int) atoi(argv[1]);
+  fs = (int) atoi(argv[2]);
+  if ( argc == 4 )
+    device = (int) atoi(argv[3]);
+
+  // Open the realtime output device
+  int buffer_size = 512;
+  try {
+    audio = new RtAudio(device, chans, device, chans,
+                        FORMAT, fs, &buffer_size, 8);
+  }
+  catch (RtError &error) {
+    error.printMessage();
+    exit(EXIT_FAILURE);
+  }
+
+  try {
+    audio->setStreamCallback(&inout, NULL);
+    audio->startStream();
+  }
+  catch (RtError &error) {
+    error.printMessage();
+    goto cleanup;
+  }
+
+  std::cout << "\nRunning ... press <enter> to quit (buffer size = " << buffer_size << ").\n";
+  std::cin.get(input);
+
+  try {
+    audio->stopStream();
+  }
+  catch (RtError &error) {
+    error.printMessage();
+  }
+
+ cleanup:
+  audio->closeStream();
+  delete audio;
+
+  return 0;
+}