Bento4 MP4 SDK: Ap4SampleTable.h Source File

Bento4 MP4 SDK

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Ap4SampleTable.h

00001 /*****************************************************************
00002 |
00003 |    AP4 - Sample Table Interface
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_SAMPLE_TABLE_H_
00030 #define _AP4_SAMPLE_TABLE_H_
00031 
00032 /*----------------------------------------------------------------------
00033 |   includes
00034 +---------------------------------------------------------------------*/
00035 #include "Ap4Types.h"
00036 #include "Ap4DynamicCast.h"
00037 
00038 /*----------------------------------------------------------------------
00039 |   class references
00040 +---------------------------------------------------------------------*/
00041 class AP4_Sample;
00042 class AP4_ContainerAtom;
00043 class AP4_SampleDescription;
00044 
00045 /*----------------------------------------------------------------------
00046 |   AP4_SampleTable
00047 +---------------------------------------------------------------------*/
00048 class AP4_SampleTable {
00049 public:
00050     AP4_IMPLEMENT_DYNAMIC_CAST(AP4_SampleTable)
00051 
00052     // constructors and destructor
00053     virtual ~AP4_SampleTable() {};
00054 
00055     // methods
00056     virtual AP4_Result   GenerateStblAtom(AP4_ContainerAtom*& stbl);
00057     virtual AP4_Result   GetSample(AP4_Ordinal sample_index, AP4_Sample& sample) = 0;
00058     virtual AP4_Cardinal GetSampleCount() = 0;
00059     virtual AP4_Result   GetSampleChunkPosition(AP4_Ordinal  sample_index, 
00060                                                 AP4_Ordinal& chunk_index,
00061                                                 AP4_Ordinal& position_in_chunk) = 0;
00062     virtual AP4_Cardinal GetSampleDescriptionCount() = 0;
00063     virtual AP4_SampleDescription* GetSampleDescription(AP4_Ordinal index) = 0;
00064     virtual AP4_Result   GetSampleIndexForTimeStamp(AP4_UI64     ts,
00065                                                     AP4_Ordinal& index) = 0;
00066     virtual AP4_Ordinal  GetNearestSyncSampleIndex(AP4_Ordinal index, bool before=true) = 0;
00067 };
00068 
00069 #endif // _AP4_SAMPLE_TABLE_H_
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