MpodAndroid.h

Go to the documentation of this file.

//  
// Copyright (C) 2010-2013 SIPez LLC.  All rights reserved.
//
// $$

// Author: Alexander Chemeris <Alexander DOT Chemeris AT SIPez DOT com>

#ifndef _MpodAndroid_h_
#define _MpodAndroid_h_

// SIPX INCLUDES
#include <os/OsIntTypes.h>
#include <os/OsStatus.h>
#include <utl/UtlString.h>
#include "mp/MpTypes.h"
#include "mp/MpOutputDeviceDriver.h"

// SYSTEM INCLUDES
#include <utils/threads.h>
#include <mp/MpAndroidAudioTrack.h>

// APPLICATION INCLUDES
// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
class OsNotification;
using namespace android;

class MpodAndroid : public MpOutputDeviceDriver
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:

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


   explicit
   MpodAndroid(MpAndroidAudioBindingInterface::StreamType streamType);
   virtual
   ~MpodAndroid();


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


   virtual OsStatus enableDevice(unsigned samplesPerFrame, 
                                 unsigned samplesPerSec,
                                 MpFrameTime currentFrameTime,
                                 OsCallback &frameTicker);

   virtual OsStatus disableDevice();

   virtual OsStatus pushFrame(unsigned int numSamples,
                              const MpAudioSample* samples,
                              MpFrameTime frameTime);


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



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



/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:

   enum State {
      DRIVER_IDLE,     
      DRIVER_INIT,     
      DRIVER_STARTING, 
      DRIVER_PLAYING,  
      DRIVER_STOPPING, 
      DRIVER_STOPPED   
   };

   MpAndroidAudioBindingInterface::StreamType mStreamType;   
   OsAtomicLightUInt mState; 
   MpAndroidAudioTrack *mpAudioTrack; 
   Mutex mLock;              
   Condition mWaitCbkCond;   
   MpFrameTime mCurFrameTime;  
   OsNotification* mpNotifier; 


   MpAudioSample *mpSampleBuffer; 
   int mSampleBufferIndex;     


   UtlBoolean initAudioTrack();

   static void audioCallback(int event, void* user, void *info);

/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:

   MpodAndroid(const MpodAndroid& rMpodAndroid);

   MpodAndroid& operator=(const MpodAndroid& rhs);
};


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

#endif  // _MpodAndroid_h_