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52a3801208
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
35 lines
786 B
C++
35 lines
786 B
C++
/***********************************************************************
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* Copyright (c) 2002 Marcus Overhagen. All Rights Reserved.
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* This file may be used under the terms of the OpenBeOS License.
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*
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* A cache for BBuffers to be received by
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* BBufferConsumer::BufferReceived()
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***********************************************************************/
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#ifndef _BUFFER_ID_CACHE_H_
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#define _BUFFER_ID_CACHE_H_
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class _buffer_id_cache
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{
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public:
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_buffer_id_cache();
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~_buffer_id_cache();
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BBuffer *GetBuffer(media_buffer_id id);
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private:
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enum { MAX_CACHED_BUFFER = 17 };
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struct _buffer_id_info
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{
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BBuffer *buffer;
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media_buffer_id id;
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int32 last_used;
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};
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_buffer_id_info info[MAX_CACHED_BUFFER];
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int32 in_use;
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int32 used;
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int32 stat_missed;
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int32 stat_hit;
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};
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#endif
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