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# Ap4Command.h

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    00001 /*****************************************************************
    00002 |
    00003 |    AP4 - Commands
    00004 |
    00005 |    Copyright 2002-2008 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_COMMAND_H_
    00030 #define _AP4_COMMAND_H_
    00031
    00032 /*----------------------------------------------------------------------
    00033 |   includes
    00034 +---------------------------------------------------------------------*/
    00035 #include "Ap4Expandable.h"
    00036
    00037 /*----------------------------------------------------------------------
    00038 |   constants
    00039 +---------------------------------------------------------------------*/
    00040 const AP4_UI08 AP4_COMMAND_TAG_OBJECT_DESCRIPTOR_UPDATE  = 0x01;
    00041 const AP4_UI08 AP4_COMMAND_TAG_OBJECT_DESCRIPTOR_REMOVE  = 0x02;
    00042 const AP4_UI08 AP4_COMMAND_TAG_ES_DESCRIPTOR_UPDATE      = 0x03;
    00043 const AP4_UI08 AP4_COMMAND_TAG_ES_DESCRIPTOR_REMOVE      = 0x04;
    00044 const AP4_UI08 AP4_COMMAND_TAG_IPMP_DESCRIPTOR_UPDATE    = 0x05;
    00045 const AP4_UI08 AP4_COMMAND_TAG_IPMP_DESCRIPTOR_REMOVE    = 0x06;
    00046 const AP4_UI08 AP4_COMMAND_TAG_ES_DESCRIPTOR_REMOVE_REF  = 0x07;
    00047 const AP4_UI08 AP4_COMMAND_TAG_OBJECT_DESCRIPTOR_EXECUTE = 0x08;
    00048
    00049 /*----------------------------------------------------------------------
    00050 |   AP4_Command
    00051 +---------------------------------------------------------------------*/
    00052 class AP4_Command : public AP4_Expandable
    00053 {
    00054  public:
    00055     // constructor
    00056     AP4_Command(AP4_UI08 tag, AP4_Size header_size, AP4_Size payload_size) :
    00057         AP4_Expandable(tag, CLASS_ID_SIZE_08, header_size, payload_size) {}
    00058
    00059     // AP4_Exandable methods
    00060     virtual AP4_Result Inspect(AP4_AtomInspector& inspector);
    00061
    00062     // methods
    00063     AP4_UI08 GetTag() { return (AP4_UI08)m_ClassId; }
    00064 };
    00065
    00066 /*----------------------------------------------------------------------
    00067 |   AP4_UnknownCommand
    00068 +---------------------------------------------------------------------*/
    00069 class AP4_UnknownCommand : public AP4_Command
    00070 {
    00071 public:
    00072     // contrusctor
    00073     AP4_UnknownCommand(AP4_ByteStream& stream,
    00074                        AP4_UI08        tag,
    00075                        AP4_Size        header_size,
    00076                        AP4_Size        payload_size);
    00077
    00078     // AP4_Expandable methods
    00079     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
    00080
    00081 private:
    00082     // members
    00083     AP4_DataBuffer m_Data;
    00084 };
    00085
    00086 #endif // _AP4_COMMAND_H_