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|
/*****************************************************************
|
| AP4 - tfra 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_TFRA_ATOM_H_
#define _AP4_TFRA_ATOM_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Types.h"
#include "Ap4Atom.h"
#include "Ap4Array.h"
/*----------------------------------------------------------------------
| class references
+---------------------------------------------------------------------*/
class AP4_ByteStream;
/*----------------------------------------------------------------------
| AP4_TfraAtom
+---------------------------------------------------------------------*/
class AP4_TfraAtom : public AP4_Atom
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_TfraAtom, AP4_Atom)
// types
struct Entry {
Entry() : m_Time(0), m_MoofOffset(0), m_TrafNumber(0), m_TrunNumber(0), m_SampleNumber(0) {}
Entry(AP4_UI64 time,
AP4_UI64 moof_offset,
AP4_UI32 traf_number,
AP4_UI32 trun_number,
AP4_UI32 sample_number) :
m_Time(time), m_MoofOffset(moof_offset), m_TrafNumber(traf_number), m_TrunNumber(trun_number), m_SampleNumber(sample_number) {}
AP4_UI64 m_Time;
AP4_UI64 m_MoofOffset;
AP4_UI32 m_TrafNumber;
AP4_UI32 m_TrunNumber;
AP4_UI32 m_SampleNumber;
};
// class methods
static AP4_TfraAtom* Create(AP4_Size size, AP4_ByteStream& stream);
// constructors
AP4_TfraAtom(AP4_UI32 track_id,
AP4_UI08 length_size_of_traf_number = 0,
AP4_UI08 length_size_of_trun_number = 0,
AP4_UI08 length_size_of_sample_number = 0);
// methods
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
AP4_Result AddEntry(AP4_UI64 time,
AP4_UI64 moof_offset,
AP4_UI32 traf_number = 1,
AP4_UI32 trun_number = 1,
AP4_UI32 sample_number = 1);
// accessors
AP4_Array<Entry>& GetEntries() { return m_Entries; }
void SetTrackId(AP4_UI32 track_id) { m_TrackId = track_id; }
AP4_UI32 GetTrackId( ) { return m_TrackId; }
private:
// methods
AP4_TfraAtom(AP4_UI32 size, AP4_UI08 version, AP4_UI32 flags, AP4_ByteStream& stream);
// members
AP4_UI32 m_TrackId;
AP4_UI08 m_LengthSizeOfTrafNumber;
AP4_UI08 m_LengthSizeOfTrunNumber;
AP4_UI08 m_LengthSizeOfSampleNumber;
AP4_Array<Entry> m_Entries;
};
#endif // _AP4_TFRA_ATOM_H_
|
