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/*
queues frames in a "empty" and "data" queue
Copyright (C) 2001 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#ifndef __IOFRAMETQUEUE_H
#define __IOFRAMETQUEUE_H
#include "frameQueue.h"
#include <kdemacros.h>
/**
This class can store up to <size> frames.
The frames are marked "empty" these frames can be re-used
and filled with data.
The other queue stores "data" frames. These frames can
be dequeued and then are be passed to the "empty" queue.
Note: you need to _fill_ the empty queue with allocated frames,
after constructions. The pointers then are owned by this
class (== deleted in destructor)
*/
class KDE_EXPORT IOFrameQueue {
public:
IOFrameQueue(int size);
~IOFrameQueue();
//
// empty queue
//
int emptyQueueCanRead();
int emptyQueueCanWrite();
//
// data queue
//
int dataQueueCanRead();
int dataQueueCanWrite();
protected:
FrameQueue* empty;
FrameQueue* data;
};
#endif
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