| /* ------------------------------------------------------------------ |
| * Copyright (C) 1998-2009 PacketVideo |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| * express or implied. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * ------------------------------------------------------------------- |
| */ |
| /*********************************************************************************/ |
| /* ------------------------------------------------------------------- */ |
| /* MPEG-4 ExpandableBaseClass Class */ |
| /* ------------------------------------------------------------------- */ |
| /*********************************************************************************/ |
| /* |
| This ExpandableBaseClass Class is the base class for all Descriptors that |
| allows the encoding the size of the class in bytes with a VARIABLE NUMBER OF BYTES |
| */ |
| |
| |
| #ifndef EXPANDABLEBASECLASS_H_INCLUDED |
| #define EXPANDABLEBASECLASS_H_INCLUDED |
| |
| #ifndef OSCL_BASE_H_INCLUDED |
| #include "oscl_base.h" |
| #endif |
| |
| #ifndef OSCL_FILE_IO_H_INCLUDED |
| #include "oscl_file_io.h" |
| #endif |
| |
| #ifndef PARENTABLE_H_INCLUDED |
| #include "parentable.h" |
| #endif |
| |
| #ifndef RENDERABLE_H_INCLUDED |
| #include "renderable.h" |
| #endif |
| |
| #ifndef ISUCCEEDFAIL_H_INCLUDED |
| #include "isucceedfail.h" |
| #endif |
| |
| #ifndef ATOMDEFS_H_INCLUDED |
| #include "atomdefs.h" |
| #endif |
| |
| #ifndef ATOMUTILS_H_INCLUDED |
| #include "atomutils.h" |
| #endif |
| |
| |
| class ExpandableBaseClass : public Parentable, public Renderable, public ISucceedFail |
| { |
| |
| public: |
| ExpandableBaseClass() {} // Default constructor |
| ExpandableBaseClass(MP4_FF_FILE *fp, bool fixedLengthSizeField = false); // Stream-in Constructor |
| virtual ~ExpandableBaseClass(); // Destructor |
| |
| virtual uint32 getSize() const |
| { |
| return _sizeOfClass; |
| } |
| uint32 getSizeOfSizeField() const |
| { |
| return _sizeOfSizeField; |
| } |
| uint8 getTag() const |
| { |
| return _tag; |
| } |
| |
| protected: |
| int32 readSizeOfClassFromFileStream(MP4_FF_FILE *fp); |
| |
| uint32 _sizeOfSizeField; |
| uint32 _sizeOfClass; |
| uint8 _tag; |
| |
| }; |
| |
| #endif // EXPANDABLEBASECLASS_H_INCLUDED |
| |
| |