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# Ap4HdlrAtom.h

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    00001 /*****************************************************************
    00002 |
    00003 |    AP4 - hdlr 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_HDLR_ATOM_H_
    00030 #define _AP4_HDLR_ATOM_H_
    00031
    00032 /*----------------------------------------------------------------------
    00033 |   includes
    00034 +---------------------------------------------------------------------*/
    00035 #include "Ap4Atom.h"
    00036 #include "Ap4String.h"
    00037
    00038 /*----------------------------------------------------------------------
    00039 |   class references
    00040 +---------------------------------------------------------------------*/
    00041 class AP4_ByteStream;
    00042
    00043 /*----------------------------------------------------------------------
    00044 |   constants
    00045 +---------------------------------------------------------------------*/
    00046 const AP4_UI32 AP4_HANDLER_TYPE_SOUN = AP4_ATOM_TYPE('s','o','u','n');
    00047 const AP4_UI32 AP4_HANDLER_TYPE_VIDE = AP4_ATOM_TYPE('v','i','d','e');
    00048 const AP4_UI32 AP4_HANDLER_TYPE_HINT = AP4_ATOM_TYPE('h','i','n','t');
    00049 const AP4_UI32 AP4_HANDLER_TYPE_MDIR = AP4_ATOM_TYPE('m','d','i','r');
    00050 const AP4_UI32 AP4_HANDLER_TYPE_TEXT = AP4_ATOM_TYPE('t','e','x','t');
    00051 const AP4_UI32 AP4_HANDLER_TYPE_TX3G = AP4_ATOM_TYPE('t','x','3','g');
    00052 const AP4_UI32 AP4_HANDLER_TYPE_JPEG = AP4_ATOM_TYPE('j','p','e','g');
    00053 const AP4_UI32 AP4_HANDLER_TYPE_ODSM = AP4_ATOM_TYPE('o','d','s','m');
    00054 const AP4_UI32 AP4_HANDLER_TYPE_SDSM = AP4_ATOM_TYPE('s','d','s','m');
    00055
    00056 /*----------------------------------------------------------------------
    00057 |   AP4_HdlrAtom
    00058 +---------------------------------------------------------------------*/
    00059 class AP4_HdlrAtom : public AP4_Atom
    00060 {
    00061 public:
    00062     // class methods
    00063     static AP4_HdlrAtom* Create(AP4_Size size, AP4_ByteStream& stream);
    00064
    00065     // methods
    00066     AP4_HdlrAtom(AP4_UI32 hdlr_type, const char* hdlr_name);
    00067     virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
    00068     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
    00069
    00070     AP4_UI32   GetHandlerType() { return m_HandlerType; }
    00071     AP4_String GetHandlerName() { return m_HandlerName; }
    00072
    00073 private:
    00074     // methods
    00075     AP4_HdlrAtom(AP4_UI32        size,
    00076                  AP4_UI32        version,
    00077                  AP4_UI32        flags,
    00078                  AP4_ByteStream& stream);
    00079
    00080     // members
    00081     AP4_UI32   m_HandlerType;
    00082     AP4_UI32   m_Reserved[3];
    00083     AP4_String m_HandlerName;
    00084 };
    00085
    00086 #endif // _AP4_HDLR_ATOM_H_