Version 3.0

STK/RTSoundIO.h

@@ -0,0 +1,71 @@
+/******************************************/
+/*  RTSoundIO.cpp                         */
+/*  Realtime Sound I/O Object for STK,    */
+/*  by Gary P. Scavone, 1998-1999.        */
+/*                                        */
+/*  The sound output sections of this     */
+/*  object were based in part on code     */
+/*  by Doug Scott (SGI), Tim Stilson      */
+/*  (Linux), Bill Putnam (Win Wav), and   */
+/*  R. Marsanyi (DirectSound).            */
+/*                                        */
+/*  This object provides a standard API   */
+/*  across all platforms for STK realtime */
+/*  audio input/output.  The sound output */
+/*  code is fairly robust.  Audio input,  */
+/*  however, is more dependent on the     */
+/*  capabilities of the particular OS and */
+/*  the soundcard being used.  For the    */
+/*  moment, I'll try to provide 1 or 2    */
+/*  channel support.                      */
+/*                                        */
+/*  16-bit integer audio input/output     */
+/*  data is being assumed.                */
+/******************************************/
+
+#if !defined(__RTSOUNDIO_h)
+#define __RTSOUNDIO_h
+
+#include "Object.h"
+
+#if defined(__OS_IRIX_)
+  #include <dmedia/audio.h>
+#elif defined(__WINDS_API_)
+  #include <windows.h>
+  #include <dsound.h>
+#elif defined(__WINMM_API_)
+  #include <windows.h>
+  #include <MMSystem.h>
+  #define NUM_OUT_BUFFERS 6
+#endif
+
+class RTSoundIO : public Object
+{
+ protected:
+#if (defined(__STK_REALTIME_) && defined(__OS_IRIX_))
+	ALport audio_port_in;
+	ALport audio_port_out;
+#elif (defined(__STK_REALTIME_) && defined(__OSS_API_))
+	int audio_fd;
+#elif (defined(__STK_REALTIME_) && defined(__WINDS_API_) )
+	LPDIRECTSOUND       lpDirectSound;
+	LPDIRECTSOUNDBUFFER lpDSBuffer;
+	DWORD               dwDSBufSize;
+  DWORD               zoneSize;
+  LPDIRECTSOUNDCAPTURE lpDSCapture;
+  LPDIRECTSOUNDCAPTUREBUFFER lpDSCBuffer;
+	DWORD               dwDSCBufSize;
+#elif (defined(__STK_REALTIME_) && defined(__WINMM_API_) )
+	HWAVEOUT  audioPort;
+	WAVEHDR   whOut[NUM_OUT_BUFFERS];
+	UINT      outBufNum;
+	DWORD	  lastWriteTime;
+#endif
+ public:
+	RTSoundIO(MY_FLOAT srate, int channels, char *mode);
+  ~RTSoundIO();
+  int playBuffer(short *buf, int bufsize);
+  int recordBuffer(short *buf, int bufsize);
+};
+
+#endif