85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*
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* XBMC Media Center
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* Copyright (c) 2002 Frodo
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* Portions Copyright (c) by the authors of ffmpeg and xvid
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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 of the License, or
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* (at your option) 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 this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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// File.h: interface for the CFile class.
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(AFX_FILE_H__A7ED6320_C362_49CB_8925_6C6C8CAE7B78__INCLUDED_)
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#define AFX_FILE_H__A7ED6320_C362_49CB_8925_6C6C8CAE7B78__INCLUDED_
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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#define FFMPEG_FILE_BUFFER_SIZE 32768
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namespace XFILE
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{
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/* indicate that caller can handle truncated reads, where function returns before entire buffer has been filled */
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#define READ_TRUNCATED 0x01
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/* indicate that that caller support read in the minimum defined chunk size, this disables internal cache then */
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#define READ_CHUNKED 0x02
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/* use cache to access this file */
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#define READ_CACHED 0x04
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/* open without caching. regardless to file type. */
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#define READ_NO_CACHE 0x08
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/* calcuate bitrate for file while reading */
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#define READ_BITRATE 0x10
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typedef enum {
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IOCTRL_NATIVE = 1, /**< SNativeIoControl structure, containing what should be passed to native ioctrl */
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IOCTRL_SEEK_POSSIBLE = 2, /**< return 0 if known not to work, 1 if it should work */
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IOCTRL_CACHE_STATUS = 3, /**< SCacheStatus structure */
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IOCTRL_CACHE_SETRATE = 4, /**< unsigned int with with speed limit for caching in bytes per second */
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} EIoControl;
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class CFile
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{
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public:
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CFile();
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~CFile();
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bool Open(const CStdString& strFileName, unsigned int flags = 0);
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bool OpenForWrite(const CStdString& strFileName, bool bOverWrite);
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unsigned int Read(void* lpBuf, int64_t uiBufSize);
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int Write(const void* lpBuf, int64_t uiBufSize);
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int64_t Seek(int64_t iFilePosition, int iWhence = SEEK_SET);
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int64_t GetPosition();
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int64_t GetLength();
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void Close();
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static bool Exists(const CStdString& strFileName, bool bUseCache = true);
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int GetChunkSize() { return 6144 /*FFMPEG_FILE_BUFFER_SIZE*/; };
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int IoControl(EIoControl request, void* param);
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bool IsEOF();
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private:
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unsigned int m_flags;
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FILE *m_pFile;
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int64_t m_iLength;
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bool m_bPipe;
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};
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};
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#endif // !defined(AFX_FILE_H__A7ED6320_C362_49CB_8925_6C6C8CAE7B78__INCLUDED_)
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