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https://github.com/Team-Resurgent/XBMC4Xbox.git
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Rocky5
921f9fe9f8
If ever adding the XBMC4Xbox source to GitHub use "git add -f -A" or it wont add all the files.
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright (C) 2005-2013 Team XBMC
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* http://xbmc.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with XBMC; see the file COPYING. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef CACHECIRCULAR_H
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#define CACHECIRCULAR_H
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#include "CacheStrategy.h"
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namespace XFILE {
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class CCircularCache : public CCacheStrategy
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{
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public:
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CCircularCache(size_t front, size_t back);
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virtual ~CCircularCache();
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virtual int Open() ;
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virtual void Close();
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virtual int WriteToCache(const char *buf, size_t len) ;
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virtual int ReadFromCache(char *buf, size_t len) ;
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virtual int64_t WaitForData(unsigned int minimum, unsigned int iMillis) ;
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virtual int64_t Seek(int64_t pos) ;
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virtual void Reset(int64_t pos) ;
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protected:
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uint64_t m_beg; /**< index in file (not buffer) of beginning of valid data */
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uint64_t m_end; /**< index in file (not buffer) of end of valid data */
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uint64_t m_cur; /**< current reading index in file */
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uint8_t *m_buf; /**< buffer holding data */
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size_t m_size; /**< size of data buffer used (m_buf) */
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size_t m_size_back; /**< guaranteed size of back buffer (actual size can be smaller, or larger if front buffer doesn't need it) */
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CCriticalSection m_sync;
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CEvent m_written;
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};
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} // namespace XFILE
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#endif
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