Files
itgmania212121/src/RageSoundReader_FileReader.h
T
2011-03-17 01:47:30 -04:00

75 lines
2.9 KiB
C++

/* SoundReader_FileReader - base class for SoundReaders that read from files. */
#ifndef RAGE_SOUND_READER_FILE_READER_H
#define RAGE_SOUND_READER_FILE_READER_H
#include "RageSoundReader.h"
#include "RageUtil_AutoPtr.h"
class RageFileBasic;
#define SoundReader_FileReader RageSoundReader_FileReader
class RageSoundReader_FileReader: public RageSoundReader
{
public:
/*
* Return OPEN_OK if the file is open and ready to go. Return OPEN_UNKNOWN_FILE_FORMAT
* if the file appears to be of a different type. Return OPEN_FATAL_ERROR if
* the file appears to be the correct type, but there was an error initializing
* the file.
*
* If the file can not be opened at all, or contains no data, return OPEN_MATCH_BUT_FAIL.
*/
enum OpenResult
{
OPEN_OK,
OPEN_UNKNOWN_FILE_FORMAT=1,
OPEN_FATAL_ERROR=2,
};
/* Takes ownership of pFile (even on failure). */
virtual OpenResult Open( RageFileBasic *pFile ) = 0;
virtual float GetStreamToSourceRatio() const { return 1.0f; }
virtual RString GetError() const { return m_sError; }
/* Open a file. If pPrebuffer is non-NULL, and the file is sufficiently small,
* the (possibly compressed) data will be loaded entirely into memory, and pPrebuffer
* will be set to true. */
static RageSoundReader_FileReader *OpenFile( RString filename, RString &error, bool *pPrebuffer = NULL );
protected:
void SetError( RString sError ) const { m_sError = sError; }
HiddenPtr<RageFileBasic> m_pFile;
private:
static RageSoundReader_FileReader *TryOpenFile( RageFileBasic *pFile, RString &error, RString format, bool &bKeepTrying );
mutable RString m_sError;
};
#endif
/*
* Copyright (c) 2003-2004 Glenn Maynard
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons to
* whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/