Bento4 MP4 SDK: Ap4StsdAtom.h Source File

Bento4 MP4 SDK

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Ap4StsdAtom.h

00001 /*****************************************************************
00002 |
00003 |    AP4 - stsd Atoms 
00004 |
00005 |    Copyright 2002-2008 Axiomatic Systems, LLC
00006 |
00007 |
00008 |    This file is part of Bento4/AP4 (MP4 Atom Processing Library).
00009 |
00010 |    Unless you have obtained Bento4 under a difference license,
00011 |    this version of Bento4 is Bento4|GPL.
00012 |    Bento4|GPL is free software; you can redistribute it and/or modify
00013 |    it under the terms of the GNU General Public License as published by
00014 |    the Free Software Foundation; either version 2, or (at your option)
00015 |    any later version.
00016 |
00017 |    Bento4|GPL is distributed in the hope that it will be useful,
00018 |    but WITHOUT ANY WARRANTY; without even the implied warranty of
00019 |    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020 |    GNU General Public License for more details.
00021 |
00022 |    You should have received a copy of the GNU General Public License
00023 |    along with Bento4|GPL; see the file COPYING.  If not, write to the
00024 |    Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
00025 |    02111-1307, USA.
00026 |
00027  ****************************************************************/
00028 
00029 #ifndef _AP4_STSD_ATOM_H_
00030 #define _AP4_STSD_ATOM_H_
00031 
00032 /*----------------------------------------------------------------------
00033 |   includes
00034 +---------------------------------------------------------------------*/
00035 #include "Ap4Types.h"
00036 #include "Ap4Array.h"
00037 #include "Ap4ContainerAtom.h"
00038 
00039 /*----------------------------------------------------------------------
00040 |   class references
00041 +---------------------------------------------------------------------*/
00042 class AP4_SampleTable;
00043 class AP4_SampleDescription;
00044 class AP4_SampleEntry;
00045 
00046 /*----------------------------------------------------------------------
00047 |   AP4_StsdAtom
00048 +---------------------------------------------------------------------*/
00049 class AP4_StsdAtom : public AP4_ContainerAtom
00050 {
00051 public:
00052     AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_StsdAtom, AP4_ContainerAtom)
00053 
00054     // class methods
00055     static AP4_StsdAtom* Create(AP4_Size         size,
00056                                 AP4_ByteStream&  stream,
00057                                 AP4_AtomFactory& atom_factory);
00058 
00059     // methods
00060     AP4_StsdAtom(AP4_SampleTable* sample_table);
00061     ~AP4_StsdAtom();
00062     virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
00063     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
00064     virtual AP4_Cardinal           GetSampleDescriptionCount();
00065     virtual AP4_SampleDescription* GetSampleDescription(AP4_Ordinal index);
00066     virtual AP4_SampleEntry*       GetSampleEntry(AP4_Ordinal index);
00067 
00068     // AP4_AtomParent methods
00069     void OnChildChanged(AP4_Atom* child);
00070 
00071 private:
00072     // methods
00073     AP4_StsdAtom(AP4_UI32         size,
00074                  AP4_UI32         version,
00075                  AP4_UI32         flags,
00076                  AP4_ByteStream&  stream,
00077                  AP4_AtomFactory& atom_factory);
00078 
00079     // members
00080     AP4_Array<AP4_SampleDescription*> m_SampleDescriptions;
00081 };
00082 
00083 #endif // _AP4_STSD_ATOM_H_
00084
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