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101 lines
3.9 KiB
C++
101 lines
3.9 KiB
C++
/*****************************************************************
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| AP4 - Atom Based Sample Table
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| Copyright 2002-2008 Axiomatic Systems, LLC
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| This atom is part of AP4 (MP4 Audio Processing Library).
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| Unless you have obtained Bento4 under a difference license,
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| this version of Bento4 is Bento4|GPL.
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| Bento4|GPL is free software; you can redistribute it and/or modify
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| it under the terms of the GNU General Public License as published by
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| the Free Software Foundation; either version 2, or (at your option)
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| any later version.
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| Bento4|GPL 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
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| GNU General Public License for more details.
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| You should have received a copy of the GNU General Public License
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| along with Bento4|GPL; see the atom COPYING. If not, write to the
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| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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| 02111-1307, USA.
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****************************************************************/
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#ifndef _AP4_ATOM_SAMPLE_TABLE_H_
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#define _AP4_ATOM_SAMPLE_TABLE_H_
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/*----------------------------------------------------------------------
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| includes
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+---------------------------------------------------------------------*/
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#include "Ap4Types.h"
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#include "Ap4SampleTable.h"
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/*----------------------------------------------------------------------
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| forward declarations
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+---------------------------------------------------------------------*/
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class AP4_Atom;
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class AP4_ByteStream;
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class AP4_StscAtom;
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class AP4_StcoAtom;
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class AP4_StszAtom;
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class AP4_Stz2Atom;
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class AP4_SttsAtom;
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class AP4_CttsAtom;
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class AP4_StssAtom;
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class AP4_StsdAtom;
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class AP4_Co64Atom;
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/*----------------------------------------------------------------------
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| AP4_AtomSampleTable
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+---------------------------------------------------------------------*/
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class AP4_AtomSampleTable : public AP4_SampleTable
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{
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public:
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AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_AtomSampleTable, AP4_SampleTable)
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// methods
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AP4_AtomSampleTable(AP4_ContainerAtom* stbl_atom,
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AP4_ByteStream& sample_stream);
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virtual ~AP4_AtomSampleTable();
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// AP4_SampleTable methods
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virtual AP4_Result GetSample(AP4_Ordinal sample_index, AP4_Sample& sample);
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virtual AP4_Cardinal GetSampleCount();
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virtual AP4_SampleDescription* GetSampleDescription(AP4_Ordinal sd_index);
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virtual AP4_Cardinal GetSampleDescriptionCount();
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virtual AP4_Result GetSampleChunkPosition(AP4_Ordinal sample_index,
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AP4_Ordinal& chunk_index,
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AP4_Ordinal& position_in_chunk);
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virtual AP4_Result GetSampleIndexForTimeStamp(AP4_UI64 ts, AP4_Ordinal& sample_index);
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virtual AP4_Ordinal GetNearestSyncSampleIndex(AP4_Ordinal index, bool before=true);
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// local methods
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virtual AP4_Result GetChunkForSample(AP4_Ordinal sample_index,
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AP4_Ordinal& chunk_index,
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AP4_Ordinal& position_in_chunk,
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AP4_Ordinal& sample_description_index);
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virtual AP4_Result GetChunkOffset(AP4_Ordinal chunk_index, AP4_Position& offset);
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virtual AP4_Result SetChunkOffset(AP4_Ordinal chunk_index, AP4_Position offset);
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virtual AP4_Result SetSampleSize(AP4_Ordinal sample_index, AP4_Size size);
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private:
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// members
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AP4_ByteStream& m_SampleStream;
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AP4_StscAtom* m_StscAtom;
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AP4_StcoAtom* m_StcoAtom;
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AP4_StszAtom* m_StszAtom;
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AP4_Stz2Atom* m_Stz2Atom;
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AP4_SttsAtom* m_SttsAtom;
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AP4_CttsAtom* m_CttsAtom;
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AP4_StsdAtom* m_StsdAtom;
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AP4_StssAtom* m_StssAtom;
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AP4_Co64Atom* m_Co64Atom;
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};
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#endif // _AP4_ATOM_SAMPLE_TABLE_H_
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