MpidOss.h

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//
// Copyright (C) 2007 SIPez LLC.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// Copyright (C) 2007 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// $$

// Author: Sergey Kostanbaev <Sergey DOT Kostanbaev AT sipez DOT com>

#ifndef _MpidOss_h_
#define _MpidOss_h_

// SYSTEM INCLUDES
#include <pthread.h>
#include <semaphore.h>


// APPLICATION INCLUDES
#include "mp/MpInputDeviceDriver.h"
#include "mp/MpOss.h"

// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
class MpInputDeviceManager;

class MpidOss : public MpInputDeviceDriver
{
   friend class MpOss;
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:

/* ============================ CREATORS ================================== */


   MpidOss(const UtlString& name,
           MpInputDeviceManager& deviceManager);
   ~MpidOss();


/* ============================ MANIPULATORS ============================== */


   OsStatus enableDevice(unsigned samplesPerFrame,
                         unsigned samplesPerSec,
                         MpFrameTime currentFrameTime);
   OsStatus disableDevice();

/* ============================ ACCESSORS ================================= */



/* ============================ INQUIRY =================================== */


   inline UtlBoolean isDeviceValid();


/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
   MpAudioSample* mAudioFrame;  
   MpOssContainer* mpCont; 

   OsStatus initBuffers();

   void freeBuffers();

   MpAudioSample* getBuffer();

   void pushFrame();

   void skipFrame();

/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
   MpOss *pDevWrapper;

   MpidOss(const MpidOss& rMpInputDeviceDriver);

   MpidOss& operator=(const MpidOss& rhs);

};

/* ============================ INLINE METHODS ============================ */

UtlBoolean MpidOss::isDeviceValid()
{
   //printf("MpRsIdOss::isDeviceValid()\n"); fflush(stdout);
   return ((pDevWrapper != NULL) && pDevWrapper->isDeviceValid());
}

#endif  // _MpidOss_h_