Jason Felds
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
#include "global.h"
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#include "RageSoundReader.h"
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#include "RageLog.h"
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#include "RageUtil_AutoPtr.h"
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REGISTER_CLASS_TRAITS( RageSoundReader, pCopy->Copy() );
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/* Read(), handling the STREAM_LOOPED and empty return cases. */
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int RageSoundReader::RetriedRead( float *pBuffer, int iFrames, int *iSourceFrame, float *fRate )
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{
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if( iFrames == 0 )
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return 0;
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/* pReader may return 0, which means "try again immediately". As a failsafe,
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* only try this a finite number of times. Use a high number, because in
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* principle each filter in the stack may cause this. */
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int iTries = 100;
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while( --iTries )
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{
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if( fRate )
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*fRate = this->GetStreamToSourceRatio();
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if( iSourceFrame )
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*iSourceFrame = this->GetNextSourceFrame();
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int iGotFrames = this->Read( pBuffer, iFrames );
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if( iGotFrames == RageSoundReader::STREAM_LOOPED )
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iGotFrames = 0;
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if( iGotFrames != 0 )
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return iGotFrames;
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}
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LOG->Warn( "Read() busy looping" );
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/* Pretend we got EOF. */
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return RageSoundReader::END_OF_FILE;
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}
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/*
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* Copyright (c) 2006 Glenn Maynard
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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