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|
/*****************************************************************
|
| AP4 - stsz Atoms
|
| Copyright 2002-2008 Axiomatic Systems, LLC
|
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL 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 2, or (at your option)
| any later version.
|
| Bento4|GPL 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 Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
#ifndef _AP4_STSZ_ATOM_H_
#define _AP4_STSZ_ATOM_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Array.h"
#include "Ap4Atom.h"
/*----------------------------------------------------------------------
| AP4_StszAtom
+---------------------------------------------------------------------*/
class AP4_StszAtom : public AP4_Atom
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_StszAtom, AP4_Atom)
// class methods
static AP4_StszAtom* Create(AP4_Size size, AP4_ByteStream& stream);
// methods
AP4_StszAtom();
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_UI32 GetSampleCount();
virtual AP4_Result GetSampleSize(AP4_Ordinal sample,
AP4_Size& sample_size);
/**
* Set the sample size.
* @param sample 1-based index of a sample.
* @param sample_size Size of the sample.
* If this table represents a global-size table (one where there are
* no individual entries for each sample, but all sample have the same
* size = m_SampleSize), then calling this method with sample=1 will update
* the global size, and calling with sample>1 will check that
* the value of sample_size is the same as the global size m_SampleSize.
*/
virtual AP4_Result SetSampleSize(AP4_Ordinal sample,
AP4_Size sample_size);
virtual AP4_Result AddEntry(AP4_UI32 size);
private:
// methods
AP4_StszAtom(AP4_UI32 size,
AP4_UI08 version,
AP4_UI32 flags,
AP4_ByteStream& stream);
// members
AP4_UI32 m_SampleSize;
AP4_UI32 m_SampleCount;
AP4_Array<AP4_UI32> m_Entries;
};
#endif // _AP4_STSZ_ATOM_H_
|
