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|
/*****************************************************************
|
| AP4 - Atom Based Sample Table
|
| Copyright 2002-2008 Axiomatic Systems, LLC
|
|
| This atom is part of AP4 (MP4 Audio 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 atom COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
#ifndef _AP4_ATOM_SAMPLE_TABLE_H_
#define _AP4_ATOM_SAMPLE_TABLE_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Types.h"
#include "Ap4SampleTable.h"
/*----------------------------------------------------------------------
| forward declarations
+---------------------------------------------------------------------*/
class AP4_Atom;
class AP4_ByteStream;
class AP4_StscAtom;
class AP4_StcoAtom;
class AP4_StszAtom;
class AP4_Stz2Atom;
class AP4_SttsAtom;
class AP4_CttsAtom;
class AP4_StssAtom;
class AP4_StsdAtom;
class AP4_Co64Atom;
/*----------------------------------------------------------------------
| AP4_AtomSampleTable
+---------------------------------------------------------------------*/
class AP4_AtomSampleTable : public AP4_SampleTable
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_AtomSampleTable, AP4_SampleTable)
// methods
AP4_AtomSampleTable(AP4_ContainerAtom* stbl_atom,
AP4_ByteStream& sample_stream);
virtual ~AP4_AtomSampleTable();
// AP4_SampleTable methods
virtual AP4_Result GetSample(AP4_Ordinal sample_index, AP4_Sample& sample);
virtual AP4_Cardinal GetSampleCount();
virtual AP4_SampleDescription* GetSampleDescription(AP4_Ordinal sd_index);
virtual AP4_Cardinal GetSampleDescriptionCount();
virtual AP4_Result GetSampleChunkPosition(AP4_Ordinal sample_index,
AP4_Ordinal& chunk_index,
AP4_Ordinal& position_in_chunk);
virtual AP4_Result GetSampleIndexForTimeStamp(AP4_UI64 ts, AP4_Ordinal& sample_index);
virtual AP4_Ordinal GetNearestSyncSampleIndex(AP4_Ordinal index, bool before=true);
// local methods
virtual AP4_Result GetChunkForSample(AP4_Ordinal sample_index,
AP4_Ordinal& chunk_index,
AP4_Ordinal& position_in_chunk,
AP4_Ordinal& sample_description_index);
virtual AP4_Result GetChunkOffset(AP4_Ordinal chunk_index, AP4_Position& offset);
virtual AP4_Result SetChunkOffset(AP4_Ordinal chunk_index, AP4_Position offset);
virtual AP4_Result SetSampleSize(AP4_Ordinal sample_index, AP4_Size size);
private:
// members
AP4_ByteStream& m_SampleStream;
AP4_StscAtom* m_StscAtom;
AP4_StcoAtom* m_StcoAtom;
AP4_StszAtom* m_StszAtom;
AP4_Stz2Atom* m_Stz2Atom;
AP4_SttsAtom* m_SttsAtom;
AP4_CttsAtom* m_CttsAtom;
AP4_StsdAtom* m_StsdAtom;
AP4_StssAtom* m_StssAtom;
AP4_Co64Atom* m_Co64Atom;
};
#endif // _AP4_ATOM_SAMPLE_TABLE_H_
|
