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# Ap4TrakAtom.h

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    00001 /*****************************************************************
    00002 |
    00003 |    AP4 - trak Atoms
    00004 |
    00005 |    Copyright 2002-2006 Gilles Boccon-Gibod & Julien Boeuf
    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_TRAK_ATOM_H_
    00030 #define _AP4_TRAK_ATOM_H_
    00031
    00032 /*----------------------------------------------------------------------
    00033 |   includes
    00034 +---------------------------------------------------------------------*/
    00035 #include "Ap4ContainerAtom.h"
    00036 #include "Ap4TkhdAtom.h"
    00037
    00038 /*----------------------------------------------------------------------
    00039 |   class references
    00040 +---------------------------------------------------------------------*/
    00041 class AP4_HdlrAtom;
    00042 class AP4_SampleTable;
    00043
    00044 /*----------------------------------------------------------------------
    00045 |   AP4_TrakAtom
    00046 +---------------------------------------------------------------------*/
    00047 class AP4_TrakAtom : public AP4_ContainerAtom
    00048 {
    00049  public:
    00050     // class methods
    00051      static AP4_TrakAtom* Create(AP4_Size         size,
    00052                                  AP4_ByteStream&  stream,
    00053                                  AP4_AtomFactory& atom_factory) {
    00054         return new AP4_TrakAtom(size, stream, atom_factory);
    00055     }
    00056
    00057     // methods
    00058     AP4_TrakAtom(AP4_SampleTable* sample_table,
    00059                  AP4_Atom::Type   hdlr_type,
    00060                  const char*      hdlr_name,
    00061                  AP4_UI32         track_id,
    00062                  AP4_UI32         creation_time,
    00063                  AP4_UI32         modification_time,
    00064                  AP4_UI32         track_duration,
    00065                  AP4_UI32         media_time_scale,
    00066                  AP4_UI32         media_duration,
    00067                  AP4_UI16         volume,
    00068                  const char*      language,
    00069                  AP4_UI32         width,
    00070                  AP4_UI32         heigh);
    00071     AP4_Result AdjustChunkOffsets(AP4_SI64 delta);
    00072     AP4_UI32   GetId() {
    00073         return m_TkhdAtom->GetTrackId();
    00074     }
    00075     AP4_Result SetId(AP4_UI32 track_id) {
    00076         return m_TkhdAtom->SetTrackId(track_id);
    00077     }
    00078     AP4_UI32   GetDuration();
    00079     AP4_Result SetDuration(AP4_UI32 duration);
    00080     AP4_TkhdAtom* GetTkhdAtom() { return m_TkhdAtom; }
    00081
    00082  private:
    00083     // methods
    00084     AP4_TrakAtom(AP4_UI32         size,
    00085                  AP4_ByteStream&  stream,
    00086                  AP4_AtomFactory& atom_factory);
    00087
    00088     // members
    00089     AP4_TkhdAtom* m_TkhdAtom;
    00090 };
    00091
    00092 #endif // _AP4_TRAK_ATOM_H_