1 /***************************************************************** 2 | 3 | AP4 - stco Atoms 4 | 5 | Copyright 2002-2008 Axiomatic Systems, LLC 6 | 7 | 8 | This file is part of Bento4/AP4 (MP4 Atom Processing Library). 9 | 10 | Unless you have obtained Bento4 under a difference license, 11 | this version of Bento4 is Bento4|GPL. 12 | Bento4|GPL is free software; you can redistribute it and/or modify 13 | it under the terms of the GNU General Public License as published by 14 | the Free Software Foundation; either version 2, or (at your option) 15 | any later version. 16 | 17 | Bento4|GPL is distributed in the hope that it will be useful, 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 | GNU General Public License for more details. 21 | 22 | You should have received a copy of the GNU General Public License 23 | along with Bento4|GPL; see the file COPYING. If not, write to the 24 | Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 25 | 02111-1307, USA. 26 | 27 ****************************************************************/ 28 29 #ifndef _AP4_STCO_ATOM_H_ 30 #define _AP4_STCO_ATOM_H_ 31 32 /*---------------------------------------------------------------------- 33 | includes 34 +---------------------------------------------------------------------*/ 35 #include "Ap4Types.h" 36 #include "Ap4Atom.h" 37 38 /*---------------------------------------------------------------------- 39 | AP4_StcoAtom 40 +---------------------------------------------------------------------*/ 41 class AP4_StcoAtom : public AP4_Atom 42 { 43 public: 44 AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_StcoAtom, AP4_Atom) 45 46 // class methods 47 static AP4_StcoAtom* Create(AP4_Size size, AP4_ByteStream& stream); 48 49 // methods 50 AP4_StcoAtom(AP4_UI32* offsets, AP4_UI32 offset_count); 51 ~AP4_StcoAtom(); 52 virtual AP4_Result InspectFields(AP4_AtomInspector& inspector); 53 virtual AP4_Result WriteFields(AP4_ByteStream& stream); GetChunkCount()54 AP4_Cardinal GetChunkCount() { return m_EntryCount; } GetChunkOffsets()55 AP4_UI32* GetChunkOffsets() { return m_Entries; } 56 AP4_Result GetChunkOffset(AP4_Ordinal chunk, AP4_UI32& chunk_offset); 57 AP4_Result SetChunkOffset(AP4_Ordinal chunk, AP4_UI32 chunk_offset); 58 AP4_Result AdjustChunkOffsets(int delta); 59 60 private: 61 // methods 62 AP4_StcoAtom(AP4_UI32 size, 63 AP4_UI08 version, 64 AP4_UI32 flags, 65 AP4_ByteStream& stream); 66 67 // members 68 AP4_UI32* m_Entries; 69 AP4_UI32 m_EntryCount; 70 }; 71 72 #endif // _AP4_STCO_ATOM_H_ 73