Ap4MdhdAtom.h
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- /*****************************************************************
- |
- | AP4 - mdhd Atoms
- |
- | Copyright 2002 Gilles Boccon-Gibod
- |
- |
- | 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_MDHD_ATOM_H_
- #define _AP4_MDHD_ATOM_H_
- /*----------------------------------------------------------------------
- | includes
- +---------------------------------------------------------------------*/
- #include "Ap4.h"
- #include "Ap4ByteStream.h"
- #include "Ap4List.h"
- #include "Ap4Atom.h"
- /*----------------------------------------------------------------------
- | constants
- +---------------------------------------------------------------------*/
- const AP4_UI32 AP4_MDHD_DEFAULT_GENERIC_TIMESCALE = 1000;
- const AP4_UI32 AP4_MDHD_DEFAULT_VIDEO_TIMESCALE = 90000;
- /*----------------------------------------------------------------------
- | AP4_MdhdAtom
- +---------------------------------------------------------------------*/
- class AP4_MdhdAtom : public AP4_Atom
- {
- public:
- // methods
- AP4_MdhdAtom(AP4_UI32 creation_time,
- AP4_UI32 modification_time,
- AP4_UI32 time_scale,
- AP4_UI32 duration,
- const char* language);
- AP4_MdhdAtom(AP4_Size size, AP4_ByteStream& stream);
- virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
- virtual AP4_Result WriteFields(AP4_ByteStream& stream);
- AP4_UI32 GetDurationMs();
- AP4_UI32 GetDuration() { return m_Duration; }
- AP4_UI32 GetTimeScale() { return m_TimeScale; }
- AP4_String GetLanguage() { return AP4_String(m_Language, 3); }
- private:
- // members
- AP4_UI32 m_CreationTime;
- AP4_UI32 m_ModificationTime;
- AP4_UI32 m_TimeScale;
- AP4_UI32 m_Duration;
- char m_Language[3];
- AP4_UI08 m_Reserved1[8];
- AP4_UI08 m_Reserved2[8];
- AP4_UI08 m_Reserved3[8];
- };
- #endif // _AP4_MDHD_ATOM_H_