64 lines
2.5 KiB
C++
64 lines
2.5 KiB
C++
#include "global.h"
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#include "RageSoundDriver_CA.h"
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#include "CAHelpers.h"
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AudioConverter::AudioConverter( RageSound_CA *driver, const Desc &procFormat )
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: mBuffer(NULL), mBufferSize(0)
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{
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const Desc SMFormat(44100.0, kAudioFormatLinearPCM, kBytesPerPacket,
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kFramesPerPacket, kBytesPerFrame, kChannelsPerFrame,
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kBitsPerChannel, kFormatFlags);
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SMFormat.Print();
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procFormat.Print();
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if( this->Initialize(SMFormat, procFormat) )
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RageException::ThrowNonfatal( "Couldn't create the converter." );
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mDriver = driver;
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}
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OSStatus AudioConverter::FormatConverterInputProc(UInt32& ioNumberDataPackets,
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AudioBufferList& ioData,
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AudioStreamPacketDescription **outDesc)
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{
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AudioBuffer& buf = ioData.mBuffers[0];
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if( mBufferSize < buf.mDataByteSize )
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{
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delete [] mBuffer;
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mBuffer = new UInt8[buf.mDataByteSize];
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mBufferSize = buf.mDataByteSize;
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}
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buf.mData = mBuffer;
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const int frames = buf.mDataByteSize / kBytesPerPacket;
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mDriver->FillConverter( buf.mData, frames );
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return noErr;
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}
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/*
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* (c) 2004 Steve Checkoway
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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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