Version 3.2

src/RtWvOut.cpp

@@ -0,0 +1,81 @@
+/*******************************************/
+/*  Real-Time Audio Output Class,          */
+/*  by Perry R. Cook, 1996                 */
+/*  Revised by Gary P. Scavone, 2000       */
+/*                                         */
+/*  This object opens a realtime soundout  */
+/*  device, and pokes buffers of samples   */
+/*  into it.                               */
+/*******************************************/
+
+#include "RtWvOut.h"
+
+#if defined(__STK_REALTIME_)
+
+RtWvOut :: RtWvOut(int chans, int device)
+{
+  // We'll let RTSoundIO deal with channel and srate limitations.
+  channels = chans;
+  sound_dev = new RtAudio(channels, SRATE, "play", device);
+  data_length = RT_BUFFER_SIZE*channels;
+  // Add a few extra samples for good measure
+  data = (INT16 *) new INT16[data_length+10];
+}
+
+RtWvOut :: ~RtWvOut()
+{
+  sound_dev->playBuffer(data,counter);
+  counter = 0;
+  while (counter<data_length)	{
+    data[counter++] = 0;
+  }
+  sound_dev->playBuffer(data,counter);
+  sound_dev->playBuffer(data,counter);  // Are these extra writes necessary?
+  sound_dev->playBuffer(data,counter);
+  delete sound_dev;
+}
+
+void RtWvOut :: tick(MY_FLOAT sample)
+{
+  for (int i=0;i<channels;i++)
+    data[counter++] = (INT16) (sample * 32000.0);
+
+  if (counter >= data_length) {
+    sound_dev->playBuffer(data,data_length);
+    counter = 0;
+  }
+}
+
+void RtWvOut :: mtick(MY_MULTI samples)
+{
+  for (int i=0;i<channels;i++)
+    data[counter++] = (INT16) (*samples++ * 32000.0);
+
+  if (counter >= data_length) {
+    sound_dev->playBuffer(data,data_length);
+    counter = 0;
+  }
+}
+
+//windows stop and start methods ... because windoze sucks
+#if (defined(__OS_Win_) )
+
+void RtWvOut :: stopPlay() {
+  sound_dev->stopPlay();
+}
+
+void RtWvOut :: startPlay() {
+  sound_dev->startPlay();
+}
+
+void RtWvOut :: stopRecord() {
+  sound_dev->stopRecord();
+}
+
+void RtWvOut :: startRecord() {
+  sound_dev->startRecord();
+}
+
+#endif  // extra windoze crap
+
+#endif