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|
/*****************************************************************
|
| AP4 - sidx Atoms
|
| Copyright 2002-2014 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_SIDX_ATOM_H_
#define _AP4_SIDX_ATOM_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Atom.h"
/*----------------------------------------------------------------------
| AP4_SidxAtom
+---------------------------------------------------------------------*/
class AP4_SidxAtom : public AP4_Atom
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST(AP4_SidxAtom)
// types
struct Reference {
Reference() :
m_ReferenceType(0),
m_ReferencedSize(0),
m_SubsegmentDuration(0),
m_StartsWithSap(false),
m_SapType(0),
m_SapDeltaTime(0) {}
AP4_UI08 m_ReferenceType;
AP4_UI32 m_ReferencedSize;
AP4_UI32 m_SubsegmentDuration;
bool m_StartsWithSap;
AP4_UI08 m_SapType;
AP4_UI32 m_SapDeltaTime;
};
// class methods
static AP4_SidxAtom* Create(AP4_Size size, AP4_ByteStream& stream);
// constructor
AP4_SidxAtom(AP4_UI32 reference_id,
AP4_UI32 timescale,
AP4_UI64 earliest_presentation_time,
AP4_UI64 first_offset);
// methods
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
// accessors
AP4_UI32 GetReferenceId() { return m_ReferenceId; }
AP4_UI32 GetTimeScale() { return m_TimeScale; }
AP4_UI64 GetEarliestPresentationTime() { return m_EarliestPresentationTime; }
AP4_UI64 GetFirstOffset() { return m_FirstOffset; }
void SetReferenceId(AP4_UI32 reference_id) { m_ReferenceId = reference_id; }
void SetTimeScale(AP4_UI32 timescale) { m_TimeScale = timescale; }
void SetEarliestPresentationTime(AP4_UI64 time) { m_EarliestPresentationTime = time; }
void SetFirstOffset(AP4_UI64 offset) { m_FirstOffset = offset; }
// access to references methods
const AP4_Array<Reference>& GetReferences() {
return m_References;
}
AP4_Array<Reference>& UseReferences() {
return m_References;
}
void SetReferenceCount(unsigned int count);
void SetReference(unsigned int reference_index,
const Reference& reference) {
m_References[reference_index] = reference;
}
private:
// methods
AP4_SidxAtom(AP4_UI32 size,
AP4_UI08 version,
AP4_UI32 flags,
AP4_ByteStream& stream);
// members
AP4_UI32 m_ReferenceId;
AP4_UI32 m_TimeScale;
AP4_UI64 m_EarliestPresentationTime;
AP4_UI64 m_FirstOffset;
AP4_Array<Reference> m_References;
};
#endif // _AP4_SIDX_ATOM_H_
|
