68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
#include "global.h"
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#include "RageSoundDriver_Null.h"
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#include "RageLog.h"
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#include "RageUtil.h"
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#include "PrefsManager.h"
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const int channels = 2;
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void RageSound_Null::Update( float fDeltaTime )
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{
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/* "Play" frames. */
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while( m_iLastCursorPos < GetPosition(NULL)+1024*4 )
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{
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int16_t buf[256*channels];
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this->Mix( buf, 256, m_iLastCursorPos, GetPosition(NULL) );
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m_iLastCursorPos += 256;
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}
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RageSound_Generic_Software::Update( fDeltaTime );
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}
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int64_t RageSound_Null::GetPosition( const RageSoundBase *snd ) const
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{
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return int64_t( RageTimer::GetTimeSinceStart() * m_iSampleRate );
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}
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RageSound_Null::RageSound_Null()
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{
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m_iSampleRate = PREFSMAN->m_iSoundPreferredSampleRate;
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m_iLastCursorPos = GetPosition( NULL );
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StartDecodeThread();
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}
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float RageSound_Null::GetPlayLatency() const
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{
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return 0; /* silence is fast! */
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}
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int RageSound_Null::GetSampleRate( int iRate ) const
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{
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return m_iSampleRate;
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}
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/*
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* (c) 2002-2004 Glenn Maynard, Aaron VonderHaar
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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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