81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
/* DecMPA - simple MPEG Audio decoding library.
|
|
Copyright (C) 2002 Hauke Duden
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
For more information look at the file License.txt in this package.
|
|
|
|
email: hazard_hd@users.sourceforge.net
|
|
*/
|
|
|
|
|
|
#ifndef _MPAINFO_H_
|
|
#define _MPAINFO_H_
|
|
|
|
#include "IFileAccess.h"
|
|
#include "MPAFrameFinder.h"
|
|
#include "mpegAudioFrame/dxHead.h"
|
|
|
|
class CMPAInfo
|
|
{
|
|
public:
|
|
CMPAInfo();
|
|
~CMPAInfo();
|
|
|
|
bool InitInfo(CMPAFrameFinder* pFrameFinder,IFileAccess* pFileAccess);
|
|
|
|
//-1 if unknown
|
|
inline long GetDuration();
|
|
|
|
//-1 if unknown
|
|
long GetFilePositionFromTime(long Millis);
|
|
|
|
inline bool IsXingVBR();
|
|
inline XHEADDATA* GetXingHeader();
|
|
|
|
protected:
|
|
void Init(CMPAFrameFinder* pFrameFinder);
|
|
bool ReadXingHeader(void* pFrameData,int nFrameSize);
|
|
long GetEncodedDataPositionFromTOC(float TimeFract);
|
|
|
|
long m_nEncodedDataSize;
|
|
long m_nEncodedDataOffset;
|
|
|
|
long m_nDuration;
|
|
|
|
bool m_bXingVBR;
|
|
XHEADDATA m_XingHeader;
|
|
unsigned char m_aXingTOC[100];
|
|
|
|
float m_aTOC[101];
|
|
};
|
|
|
|
inline long CMPAInfo::GetDuration()
|
|
{
|
|
return m_nDuration;
|
|
}
|
|
|
|
inline bool CMPAInfo::IsXingVBR()
|
|
{
|
|
return m_bXingVBR;
|
|
}
|
|
|
|
inline XHEADDATA* CMPAInfo::GetXingHeader()
|
|
{
|
|
return &m_XingHeader;
|
|
}
|
|
|
|
|
|
#endif
|