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
3.6 KiB
99 lines
3.6 KiB
/*==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" |
|
#include "plFileSystem.h" |
|
|
|
|
|
//// Class Definition //////////////////////////////////////////////////////// |
|
|
|
class plRIFFChunk; |
|
|
|
class plFastWAV : public plAudioFileReader |
|
{ |
|
public: |
|
plFastWAV( const plFileName &path, plAudioCore::ChannelSelect whichChan = plAudioCore::kAll ); |
|
virtual ~plFastWAV(); |
|
|
|
virtual plWAVHeader &GetHeader( void ); |
|
|
|
virtual void Open(); |
|
virtual void Close( void ); |
|
|
|
virtual uint32_t GetDataSize( void ) { return fDataSize / fChannelAdjust; } |
|
virtual float GetLengthInSecs( void ); |
|
|
|
virtual bool SetPosition( uint32_t numBytes ); |
|
virtual bool Read( uint32_t numBytes, void *buffer ); |
|
virtual uint32_t NumBytesLeft( void ); |
|
|
|
virtual bool IsValid( void ) { return ( fFileHandle != nil ) ? true : false; } |
|
|
|
protected: |
|
enum |
|
{ |
|
kPCMFormatTag = 1 |
|
}; |
|
|
|
plFileName fFilename; |
|
FILE * fFileHandle; |
|
plWAVHeader fHeader, fFakeHeader; |
|
uint32_t fDataStartPos, fCurrDataPos, fDataSize; |
|
uint32_t fChunkStart; |
|
plAudioCore::ChannelSelect fWhichChannel; |
|
uint32_t fChannelAdjust, fChannelOffset; |
|
|
|
void IError( const char *msg ); |
|
bool ISeekToChunk( const char *type, plRIFFChunk *c ); |
|
}; |
|
|
|
#endif //_plFastWavReader_h
|
|
|