cachingeval.h

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/*
 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice including the dates of first publication and
 * either this permission notice or a reference to
 * http://oss.sgi.com/projects/FreeB/
 * shall be included in all copies or substantial portions of the Software.
 *
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 */
 
/*
 * cachingeval.h
 *
 */
 
#ifndef __glucachingval_h_
#define __glucachingval_h_
 
class CachingEvaluator {
public:
    virtual             ~CachingEvaluator() { /* silence warning*/ }
    enum ServiceMode    { play, record, playAndRecord };
    virtual int     canRecord( void );
    virtual int     canPlayAndRecord( void );
    virtual int     createHandle( int handle );
    virtual void    beginOutput( ServiceMode, int handle );
    virtual void    endOutput( void ); 
    virtual void    discardRecording( int handle );
    virtual void    playRecording( int handle );
};
#endif /* __glucachingval_h_ */