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82 lines
2.5 KiB
82 lines
2.5 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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////////////////////////////////////////////////////////////////////////////// |
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// // |
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// plFastWavReader - Quick, dirty, and highly optimized class for reading // |
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// in the samples of a WAV file when you're in a hurry. // |
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// ONLY WORKS WITH PCM (i.e. uncompressed) DATA // |
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// // |
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////////////////////////////////////////////////////////////////////////////// |
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#ifndef _plFastWavReader_h |
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#define _plFastWavReader_h |
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#include "plAudioFileReader.h" |
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//// Class Definition //////////////////////////////////////////////////////// |
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class plRIFFChunk; |
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class plFastWAV : public plAudioFileReader |
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{ |
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public: |
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plFastWAV( const char *path, plAudioCore::ChannelSelect whichChan = plAudioCore::kAll ); |
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virtual ~plFastWAV(); |
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virtual plWAVHeader &GetHeader( void ); |
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virtual void Open(); |
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virtual void Close( void ); |
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virtual UInt32 GetDataSize( void ) { return fDataSize / fChannelAdjust; } |
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virtual float GetLengthInSecs( void ); |
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virtual hsBool SetPosition( UInt32 numBytes ); |
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virtual hsBool Read( UInt32 numBytes, void *buffer ); |
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virtual UInt32 NumBytesLeft( void ); |
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virtual hsBool IsValid( void ) { return ( fFileHandle != nil ) ? true : false; } |
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protected: |
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enum |
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{ |
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kPCMFormatTag = 1 |
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}; |
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char fFilename[ 512 ]; |
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FILE * fFileHandle; |
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plWAVHeader fHeader, fFakeHeader; |
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UInt32 fDataStartPos, fCurrDataPos, fDataSize; |
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UInt32 fChunkStart; |
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plAudioCore::ChannelSelect fWhichChannel; |
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UInt32 fChannelAdjust, fChannelOffset; |
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void IError( const char *msg ); |
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bool ISeekToChunk( const char *type, plRIFFChunk *c ); |
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}; |
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#endif //_plFastWavReader_h
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