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.
106 lines
3.1 KiB
106 lines
3.1 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/>. |
|
|
|
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==*/ |
|
////////////////////////////////////////////////////////////////////////////// |
|
// // |
|
// plOGGCodec - Plasma codec support for the OGG/Vorbis file format. // |
|
// // |
|
////////////////////////////////////////////////////////////////////////////// |
|
|
|
#ifndef _plOGGCodec_h |
|
#define _plOGGCodec_h |
|
|
|
#include "../plAudioCore/plAudioFileReader.h" |
|
|
|
|
|
//// Class Definition //////////////////////////////////////////////////////// |
|
|
|
struct OggVorbis_File; |
|
|
|
class plOGGCodec : public plAudioFileReader |
|
{ |
|
public: |
|
|
|
plOGGCodec( const char *path, plAudioCore::ChannelSelect whichChan = plAudioCore::kAll ); |
|
virtual ~plOGGCodec(); |
|
|
|
enum DecodeFormat |
|
{ |
|
k8bitUnsigned, |
|
k16bitSigned |
|
}; |
|
|
|
enum DecodeFlags |
|
{ |
|
kFastSeeking = 0x01 |
|
}; |
|
|
|
virtual plWAVHeader &GetHeader( void ); |
|
|
|
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 ( fOggFile != nil ) ? true : false; } |
|
|
|
static void SetDecodeFormat( DecodeFormat f ) { fDecodeFormat = f; } |
|
static void SetDecodeFlag( UInt8 flag, hsBool on ) { if( on ) fDecodeFlags |= flag; else fDecodeFlags &= ~flag; } |
|
static UInt8 GetDecodeFlags( void ) { return fDecodeFlags; } |
|
void ResetWaveHeaderRef() { fCurHeaderPos = 0; } |
|
void BuildActualWaveHeader(); |
|
bool ReadFromHeader(int numBytes, void *data); // read from Actual wave header |
|
|
|
protected: |
|
|
|
enum |
|
{ |
|
kPCMFormatTag = 1 |
|
}; |
|
|
|
char fFilename[ 512 ]; |
|
FILE *fFileHandle; |
|
OggVorbis_File *fOggFile; |
|
|
|
plWAVHeader fHeader, fFakeHeader; |
|
UInt32 fDataStartPos, fCurrDataPos, fDataSize; |
|
|
|
plAudioCore::ChannelSelect fWhichChannel; |
|
UInt32 fChannelAdjust, fChannelOffset; |
|
|
|
static DecodeFormat fDecodeFormat; |
|
static UInt8 fDecodeFlags; |
|
UInt8 * fHeadBuf; |
|
int fCurHeaderPos; |
|
|
|
void IError( const char *msg ); |
|
void IOpen( const char *path, plAudioCore::ChannelSelect whichChan = plAudioCore::kAll ); |
|
}; |
|
|
|
#endif //_plOGGCodec_h
|
|
|