75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
/* DecMPA - simple MPEG Audio decoding library.
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Copyright (C) 2002 Hauke Duden
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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For more information look at the file License.txt in this package.
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email: hazard_hd@users.sourceforge.net
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*/
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#ifndef _DECMPAFILEACCESS_H_
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#define _DECMPAFILEACCESS_H_
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#include "../include/decmpa.h"
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#include "IFileAccess.h"
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class CDecMPAFileAccess : public IFileAccess
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{
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public:
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CDecMPAFileAccess(const DecMPA_Callbacks& Callbacks,void* pContext);
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~CDecMPAFileAccess();
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int Read(void* pDest,int nBytes);
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long Skip(long nBytes);
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bool IsEndOfFile();
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bool CanSeek();
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bool Seek(long pos);
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long GetPosition();
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long GetLength();
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long StartUndoRecording();
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void EndUndoRecording(long ID,bool bUndo);
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int GetLastError();
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protected:
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void EnsureUndoBufferFree(long nBytes);
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DecMPA_Callbacks m_Callbacks;
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void* m_pCallbackContext;
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long m_nPosition;
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bool m_bEOF;
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unsigned char* m_pUndoBuffer;
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long m_nUndoBufferSize;
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long m_nUndoBufferFilled;
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long m_nUndoBufferPos;
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int m_nUndoRecordingCount;
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unsigned char* m_pSkipBuffer;
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long m_nSkipBufferSize;
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int m_LastError;
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};
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#endif
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