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_