Version 2.0

1 files changed, 128 insertions, 0 deletions

diff --git a/tests/play_raw.cpp b/tests/play_raw.cpp
new file mode 100644
index 0000000..827f533
--- /dev/null
+++ b/tests/play_raw.cpp
@@ -0,0 +1,128 @@
+/******************************************/
+/*
+  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.h>
+#include <stdio.h>
+
+/*
+typedef char  MY_TYPE;
+#define FORMAT RtAudio::RTAUDIO_SINT8
+#define SCALE  127.0
+
+typedef signed short  MY_TYPE;
+#define FORMAT RtAudio::RTAUDIO_SINT16
+#define SCALE  32767.0
+
+typedef signed long  MY_TYPE;
+#define FORMAT RtAudio::RTAUDIO_SINT24
+#define SCALE  8388607.0
+
+typedef signed long  MY_TYPE;
+#define FORMAT RtAudio::RTAUDIO_SINT32
+#define SCALE  2147483647.0
+
+typedef float  MY_TYPE;
+#define FORMAT RtAudio::RTAUDIO_FLOAT32
+#define SCALE  1.0;
+*/
+
+typedef double  MY_TYPE;
+#define FORMAT RtAudio::RTAUDIO_FLOAT64
+#define SCALE  1.0;
+
+void usage(void) {
+  /* Error function in case of incorrect command-line
+     argument specifications
+  */
+  cout << "\nuseage: play_raw N fs file\n";
+  cout << "    where N = number of channels,\n";
+  cout << "    fs = the sample rate, \n";
+  cout << "    and file = the raw file to play.\n\n"; 
+  exit(0);
+}
+
+int main(int argc, char *argv[])
+{
+  int chans, fs, device, buffer_size, count, stream;
+  long counter = 0;
+  MY_TYPE *buffer;
+  char *file;
+  FILE *fd;
+  RtAudio *audio;
+
+  // minimal command-line checking
+  if (argc != 4) usage();
+
+  chans = (int) atoi(argv[1]);
+  fs = (int) atoi(argv[2]);
+  file = argv[3];
+
+  fd = fopen(file,"rb");
+  if (!fd) {
+    cout << "can't find file!\n";
+    exit(0);
+  }
+
+  // Open the realtime output device
+  buffer_size = 256;
+  device = 0; // default device
+  try {
+    audio = new RtAudio(&stream, device, chans, 0, 0,
+                        FORMAT, fs, &buffer_size, 2);
+  }
+  catch (RtAudioError &m) {
+    m.printMessage();
+    fclose(fd);
+    exit(EXIT_FAILURE);
+  }
+
+  try {
+    buffer = (MY_TYPE *) audio->getStreamBuffer(stream);
+    audio->startStream(stream);
+  }
+  catch (RtAudioError &m) {
+    m.printMessage();
+    goto cleanup;
+  }
+
+  while (1) {
+    count = fread(buffer, chans * sizeof(MY_TYPE), buffer_size, fd);
+
+    if (count == buffer_size) {
+      try {
+        audio->tickStream(stream);
+      }
+      catch (RtAudioError &m) {
+        m.printMessage();
+        goto cleanup;
+      }
+    }
+    else
+      break;
+        
+    counter += buffer_size;
+  }
+
+  try {
+    audio->stopStream(stream);
+  }
+  catch (RtAudioError &m) {
+    m.printMessage();
+  }
+
+ cleanup:
+  audio->closeStream(stream);
+  delete audio;
+  fclose(fd);
+
+  return 0;
+}