AU/AU_Device.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Rob Bairos,,
 *      Side Effects Software Inc
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        AU_Device.h ( Audio Library, C++)
 *
 * COMMENTS:
 */

#ifndef __AU_Device__
#define __AU_Device__


#include "AU_API.h"
#if defined(WIN32)
    #include "AU_System.h"
    class AU_API AU_Device : public AU_System
#elif defined(MBSD) 
    class AU_MBSDUtilAudioInfo;

    class AU_API AU_Device 
#elif defined(IRIX6)
    #include <dmedia/audio.h>
    class AU_API AU_Device
#else
    #include <audio.h>
    class AU_API AU_Device
#endif
{
public:
                         AU_Device();
                        ~AU_Device();
                        
    int                  startPlay( int queuesize, int channels, int rate );

    bool                 isReadyToPlay();
    void                 stopPlay( int now );
    void                 clearPort(void);
    void                 setFillPoint( int size );
    void                 writeSamples( int rate, short *data, int size );
    int                  getPortFD(void);
    int                  setAudioRate( int rate );
    
#if defined(WIN32) || defined(MBSD)
    static int           passedFillPoint( int fd );
#endif

private:
#if defined(WIN32)
    int                  passedFillPoint( );

    int                  myFillSize;

#elif defined(MBSD)
    int                  getHasEnoughFreeSpace();

    // amount of space needed for the next sample write
    int                 myRequestedFreeSpace;   
    // holds the ID of the device (used as file descriptor).
    int                 myDeviceID;
    // audio info (rate, buffers, etc).
    AU_MBSDUtilAudioInfo *  myInfo;     

#elif defined(LINUX) 
    void                 restart();

    int                  mySupportedChannels;
    int                  myFormat8Bit;
    int                  myPort;
    
    int                  myAudioRate;
    int                  myQueueSize;
    int                  myNumChannels;

    ALconfig             myConfig;
    int                  myOldRate;

#elif defined(SOLARIS)
    int                  myPort;
    int                  myAudioRate;
    int                  myQueueSize;
    int                  myNumChannels;
    ALconfig             myConfig;
    int                  myOldRate;

#else
    ALport               myPort;
    ALconfig             myConfig;
    int                  myOldRate;

#endif    
};

#endif // __AU_Device

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