/*
 * Copyright 2019, Ryan Leavengood.
 * Copyright 2009, Axel Dörfler, axeld@pinc-software.de.
 * Copyright 2002, Marcus Overhagen. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _BUFFER_CACHE_H_
#define _BUFFER_CACHE_H_


#include <HashMap.h>
#include <MediaDefs.h>


class BBuffer;


namespace BPrivate {


struct buffer_cache_entry {
        BBuffer*        buffer;
        port_id         port;
};


class BufferCache {
public:
                                                                BufferCache();
                                                                ~BufferCache();

                        BBuffer*                        GetBuffer(media_buffer_id id, port_id port);

                        void                            FlushCacheForPort(port_id port);

private:
        typedef HashMap<HashKey32<media_buffer_id>, buffer_cache_entry> BufferMap;

                        BufferMap                       fMap;
};


}       // namespace BPrivate


#endif  // _BUFFER_CACHE_H_