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|
/*****************************************************************
|
| AP4 - trak 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_TRAK_ATOM_H_
#define _AP4_TRAK_ATOM_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4ContainerAtom.h"
#include "Ap4Array.h"
/*----------------------------------------------------------------------
| class references
+---------------------------------------------------------------------*/
class AP4_HdlrAtom;
class AP4_TkhdAtom;
class AP4_MdhdAtom;
class AP4_SampleTable;
/*----------------------------------------------------------------------
| AP4_TrakAtom
+---------------------------------------------------------------------*/
class AP4_TrakAtom : public AP4_ContainerAtom
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_TrakAtom, AP4_ContainerAtom)
// class methods
static AP4_TrakAtom* Create(AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory) {
return new AP4_TrakAtom(size, stream, atom_factory);
}
// methods
AP4_TrakAtom(AP4_SampleTable* sample_table,
AP4_Atom::Type hdlr_type,
const char* hdlr_name,
AP4_UI32 track_id,
AP4_UI32 creation_time,
AP4_UI32 modification_time,
AP4_UI64 track_duration,
AP4_UI32 media_time_scale,
AP4_UI64 media_duration,
AP4_UI16 volume,
const char* language,
AP4_UI32 width,
AP4_UI32 heigh,
AP4_UI16 layer = 0,
AP4_UI16 alternate_group = 0,
const AP4_SI32* matrix = NULL);
const AP4_TkhdAtom* GetTkhdAtom() const { return m_TkhdAtom; }
AP4_TkhdAtom* UseTkhdAtom() { return m_TkhdAtom; }
AP4_Result AdjustChunkOffsets(AP4_SI64 delta);
AP4_Result GetChunkOffsets(AP4_Array<AP4_UI64>& chunk_offsets);
AP4_Result SetChunkOffsets(const AP4_Array<AP4_UI64>& chunk_offsets);
AP4_UI32 GetId();
AP4_Result SetId(AP4_UI32 track_id);
AP4_UI64 GetDuration();
AP4_Result SetDuration(AP4_UI64 duration);
AP4_UI64 GetMediaDuration();
AP4_Result SetMediaDuration(AP4_UI32 duration);
AP4_UI32 GetMediaTimeScale();
AP4_Result SetMediaTimeScale(AP4_UI32 timescale);
AP4_UI32 GetWidth();
AP4_Result SetWidth(AP4_UI32 width);
AP4_UI32 GetHeight();
AP4_Result SetHeight(AP4_UI32 height);
AP4_Atom* Clone(){
return AP4_Atom::Clone();
};
private:
// methods
AP4_TrakAtom(AP4_UI32 size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
// members
AP4_TkhdAtom* m_TkhdAtom;
AP4_MdhdAtom* m_MdhdAtom;
};
#endif // _AP4_TRAK_ATOM_H_
|
