Move library tree where it belongs

lib-src/rtaudio/tests/record_raw.cpp

@@ -0,0 +1,118 @@
+/******************************************/
+/*
+  record_raw.c
+  by Gary P. Scavone, 2001
+
+  Records from default input.  Takes
+  number of channels and sample rate
+  as input arguments. Uses blocking calls.
+*/
+/******************************************/
+
+#include "RtAudio.h"
+#include <iostream>
+#include <stdio.h>
+
+/*
+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_SINT24
+
+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
+*/
+
+#define TIME   2.0
+
+void usage(void) {
+  /* Error function in case of incorrect command-line
+     argument specifications
+  */
+  std::cout << "\nuseage: record_raw 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 main(int argc, char *argv[])
+{
+  int chans, fs, buffer_size, device = 0;
+  long frames, counter = 0;
+  MY_TYPE *buffer;
+  FILE *fd;
+  RtAudio *audio;
+
+  // 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
+  buffer_size = 512;
+  try {
+    audio = new RtAudio(0, 0, device, chans,
+                        FORMAT, fs, &buffer_size, 8);
+  }
+  catch (RtError &error) {
+    error.printMessage();
+    exit(EXIT_FAILURE);
+  }
+
+  fd = fopen("test.raw","wb");
+  frames = (long) (fs * TIME);
+
+  try {
+    buffer = (MY_TYPE *) audio->getStreamBuffer();
+    audio->startStream();
+  }
+  catch (RtError &error) {
+    error.printMessage();
+    goto cleanup;
+  }
+
+  std::cout << "\nRecording for " << TIME << " seconds ... writing file test.raw (buffer size = " << buffer_size << ")." << std::endl;
+  while (counter < frames) {
+
+    try {
+      audio->tickStream();
+    }
+    catch (RtError &error) {
+      error.printMessage();
+      goto cleanup;
+    }
+
+    fwrite(buffer, sizeof(MY_TYPE), chans * buffer_size, fd);
+    counter += buffer_size;
+  }
+
+  try {
+    audio->stopStream();
+  }
+  catch (RtError &error) {
+    error.printMessage();
+  }
+
+ cleanup:
+  audio->closeStream();
+  delete audio;
+  fclose(fd);
+
+  return 0;
+}