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