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

76 lines
2.6 KiB
C++

/* RageSoundReader_Preload - Preload sounds from another reader into memory. */
#ifndef RAGE_SOUND_READER_PRELOAD
#define RAGE_SOUND_READER_PRELOAD
#include "RageSoundReader.h"
#include "RageUtil_AutoPtr.h"
class RageSoundReader_Preload: public RageSoundReader
{
public:
RageSoundReader_Preload();
/* Return true if the sound has been preloaded, in which case source will
* be deleted. Otherwise, return false. */
bool Open( RageSoundReader *pSource );
int GetLength() const;
int GetLength_Fast() const;
int SetPosition( int iFrame );
int Read( float *pBuffer, int iLength );
int GetSampleRate() const { return m_iSampleRate; }
unsigned GetNumChannels() const { return m_iChannels; }
int GetNextSourceFrame() const;
float GetStreamToSourceRatio() const { return m_fRate; }
RString GetError() const { return ""; }
/* Return the total number of copies of this sound. (If 1 is returned,
* this is the last copy.) */
int GetReferenceCount() const;
RageSoundReader_Preload *Copy() const;
~RageSoundReader_Preload() { }
/* Attempt to preload a sound. pSound must be rewound. */
static bool PreloadSound( RageSoundReader *&pSound );
private:
AutoPtrCopyOnWrite<RString> m_Buffer;
bool m_bBufferIs16Bit;
/* Bytes: */
int m_iPosition;
int GetTotalFrames() const;
int m_iSampleRate;
unsigned m_iChannels;
float m_fRate;
};
#endif
/*
* Copyright (c) 2003 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.
*/