You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
3.3 KiB
99 lines
3.3 KiB
4 years ago
|
/*==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/>.
|
||
|
|
|
||
|
|
Additional permissions under GNU GPL version 3 section 7
|
||
|
|
|
||
|
|
If you modify this Program, or any covered work, by linking or
|
||
|
|
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
|
||
|
|
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
|
||
|
|
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
|
||
|
|
(or a modified version of those libraries),
|
||
|
|
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
|
||
|
|
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
|
||
|
|
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
|
||
|
|
licensors of this Program grant you additional
|
||
|
|
permission to convey the resulting work. Corresponding Source for a
|
||
|
|
non-source form of such a combination shall include the source code for
|
||
|
|
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
|
||
|
|
work.
|
||
|
|
|
||
|
|
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
|