//
// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Thu Jul  5 12:36:25 PDT 2001
// Last Modified: Thu Jul  5 12:36:28 PDT 2001
// Filename:      ...sig/maint/code/audio/AudioInputStream/unix/AudioInputStream_unix.h
// Web Address:   http://sig.sapp.org/include/sig/AudioInputStream_unix.h
// Documentation: http://sig.sapp.org/doc/classes/AudioInputStream
// Syntax:        C++ 
//

#ifndef _AUDIOINPUTSTREAM_UNIX_H_INCLUDED
#define _AUDIOINPUTSTREAM_UNIX_H_INCLUDED

#include "pthread.h"
#include "Array.h"
#include "CircularBuffer.h"
#include "AudioInput.h"

typedef unsigned short ushort;
typedef ushort* ushortPtr;

class AudioInputStream_unix {
   public:

            AudioInputStream_unix  (void);
           ~AudioInputStream_unix  (void);

      ushort*  getNextBuffer         (void);
      int     getBufferSize          (void);
      void    open                   (void);
      void    open16LSB              (int channels = 1, int srate = 44100);
      void    close                  (void);

   protected:

      static Array<ushortPtr>       buffers;
      static int                    currentwrite;
      static int                    classCount;
      static CircularBuffer<int>    currentread;
      static AudioInput             audioin;
      static int                    initQ;
      static pthread_t              audioInThread;

   private:

      static int getNextBufferToFill   (void);
      void       init                  (void);
      void       deinit                (void);


      friend void* extractAudioInputStreamPrivate(void * x);
};


void* extractAudioInputStreamPrivate(void * x);

#endif  /* _AUDIOINPUTSTREAM_UNIX_H_INCLUDED */



// md5sum: c738c98a68a989465a2f07b85e3a313c AudioInputStream_unix.h [20050403]