SoundPlayThread.h

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//-*-c++-*-
#ifndef INCLUDED_SoundPlayThread_h_
#define INCLUDED_SoundPlayThread_h_

#include "IPC/CallbackThread.h"

#ifdef __linux__
#include <alsa/asoundlib.h>
#endif

class SoundPlayThread {
public:
  SoundPlayThread() : initSuccess(false),
#ifdef __APPLE__
    context(NULL)
#else
    poller(&SoundPlayThread::poll,*this,TimeET(0L),TimeET(10L),true,CallbackPollThread::STOP_FALSE),
                      /*                      buf(NULL), bufsize(0), buffersInFlight(0),*/
                      lock(), pcm_handle(NULL), buffer_size(0), period_size(0), frame_size(0), buf(NULL)
#endif
  {
    openSystem();
  }
  virtual ~SoundPlayThread() {
    if(initSuccess)
      closeSystem();
  }
  
  void reset();
  
protected:
  void openSystem();
  void closeSystem();
  
  bool initSuccess;
  
#ifdef __APPLE__
  struct SoundPlayContext * context;
#else
  virtual bool poll();
  CallbackPollThread poller;
  /*
  static const long BUFFER_TIME=32;
  static const unsigned int NUM_BUFFERS=2;
  char * buf;
  size_t bufsize;
  unsigned int buffersInFlight;
  */

  Thread::Lock lock;

  snd_pcm_t * pcm_handle;

  snd_pcm_uframes_t buffer_size;
  snd_pcm_uframes_t period_size;
  unsigned int frame_size;

  char * buf;

#endif
  
private:
  SoundPlayThread(const SoundPlayThread& l); //!< don't call
  SoundPlayThread& operator=(const SoundPlayThread& l); //!< don't call
};

/*! @file
 * @brief 
 * @author Ethan Tira-Thompson (ejt) (Creator)
 */

#endif