Move library tree where it belongs

lib-src/rtaudio/tests/play_raw.cpp

@@ -0,0 +1,132 @@
+/******************************************/
+/*
+  play_raw.c
+  by Gary P. Scavone, 2001
+
+  Play a raw file.  It is necessary that the
+  file be of the same format as defined below.
+  Uses blocking functionality.
+*/
+/******************************************/
+
+#include "RtAudio.h"
+#include <iostream>
+#include <stdio.h>
+
+/*
+typedef char  MY_TYPE;
+#define FORMAT RTAUDIO_SINT8
+#define SCALE  127.0
+
+typedef signed short  MY_TYPE;
+#define FORMAT RTAUDIO_SINT16
+#define SCALE  32767.0
+
+typedef signed long  MY_TYPE;
+#define FORMAT RTAUDIO_SINT24
+#define SCALE  8388607.0
+
+typedef signed long  MY_TYPE;
+#define FORMAT RTAUDIO_SINT32
+#define SCALE  2147483647.0
+*/
+
+typedef float  MY_TYPE;
+#define FORMAT RTAUDIO_FLOAT32
+#define SCALE  1.0;
+
+/*
+typedef double  MY_TYPE;
+#define FORMAT RTAUDIO_FLOAT64
+#define SCALE  1.0;
+*/
+
+void usage(void) {
+  /* Error function in case of incorrect command-line
+     argument specifications
+  */
+  std::cout << "\nuseage: play_raw N fs file <device>\n";
+  std::cout << "    where N = number of channels,\n";
+  std::cout << "    fs = the sample rate, \n";
+  std::cout << "    file = the raw file to play,\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, count, device = 0;
+  long counter = 0;
+  MY_TYPE *buffer;
+  char *file;
+  FILE *fd;
+  RtAudio *audio;
+
+  // minimal command-line checking
+  if (argc != 4 && argc != 5 ) usage();
+
+  chans = (int) atoi(argv[1]);
+  fs = (int) atoi(argv[2]);
+  file = argv[3];
+  if ( argc == 5 )
+    device = (int) atoi(argv[4]);
+
+  fd = fopen(file,"rb");
+  if (!fd) {
+    std::cout << "can't find file!\n";
+    exit(0);
+  }
+
+  // Open the realtime output device
+  buffer_size = 512;
+  try {
+    audio = new RtAudio(device, chans, 0, 0,
+                        FORMAT, fs, &buffer_size, 2);
+  }
+  catch (RtError &error) {
+    fclose(fd);
+    error.printMessage();
+    exit(EXIT_FAILURE);
+  }
+
+  try {
+    buffer = (MY_TYPE *) audio->getStreamBuffer();
+    audio->startStream();
+  }
+  catch (RtError &error) {
+    error.printMessage();
+    goto cleanup;
+  }
+
+  while (1) {
+    count = fread(buffer, chans * sizeof(MY_TYPE), buffer_size, fd);
+
+    if (count == buffer_size) {
+      try {
+        audio->tickStream();
+      }
+      catch (RtError &error) {
+        error.printMessage();
+        goto cleanup;
+      }
+    }
+    else
+      break;
+        
+    counter += buffer_size;
+  }
+
+  try {
+    audio->stopStream();
+  }
+  catch (RtError &error) {
+    error.printMessage();
+  }
+
+ cleanup:
+  audio->closeStream();
+  delete audio;
+  fclose(fd);
+
+  return 0;
+}