82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
/* DecMPA - simple MPEG Audio decoding library.
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Copyright (C) 2002 Hauke Duden
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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For more information look at the file License.txt in this package.
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email: hazard_hd@users.sourceforge.net
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*/
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#ifndef _MPAINFO_H_
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#define _MPAINFO_H_
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#include "IFileAccess.h"
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#include "MPAFrameFinder.h"
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#include "mpegAudioFrame/dxHead.h"
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class CMPAInfo
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{
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public:
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CMPAInfo();
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~CMPAInfo();
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bool InitInfo(CMPAFrameFinder* pFrameFinder,IFileAccess* pFileAccess);
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//-1 if unknown
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inline long GetDuration();
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//-1 if unknown
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long GetFilePositionFromTime(long Millis);
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inline bool IsXingVBR();
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inline XHEADDATA* GetXingHeader();
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protected:
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void Init(CMPAFrameFinder* pFrameFinder);
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bool ReadXingHeader(void* pFrameData,int nFrameSize);
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long GetEncodedDataPositionFromTOC(float TimeFract);
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long m_nEncodedDataSize;
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long m_nEncodedDataOffset;
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long m_nDuration;
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bool m_bXingVBR;
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XHEADDATA m_XingHeader;
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unsigned char m_aXingTOC[100];
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float m_aTOC[101];
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};
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inline long CMPAInfo::GetDuration()
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{
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return m_nDuration;
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}
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inline bool CMPAInfo::IsXingVBR()
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{
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return m_bXingVBR;
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}
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inline XHEADDATA* CMPAInfo::GetXingHeader()
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{
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return &m_XingHeader;
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}
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#endif
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