| /* ------------------------------------------------------------------ |
| * 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. |
| * ------------------------------------------------------------------- |
| */ |
| /* |
| This PVA_FF_BaseCommand Class is the base class for all PVA_FF_ObjectDescriptor streams |
| that are represented as PVA_FF_ObjectDescriptor commands - the AccessUnits for all |
| OD streams |
| */ |
| |
| |
| #ifndef __BaseCommand_H__ |
| #define __BaseCommand_H__ |
| |
| #include "oscl_types.h" |
| |
| #include "expandablebaseclass.h" |
| |
| const uint32 DEFAULT_COMMAND_SIZE = 1; // 8 bits for the tag ONLY |
| // _sizeOfClass is computed explicitly elsewhere! |
| |
| class PVA_FF_BaseCommand : public PVA_FF_ExpandableBaseClass |
| { |
| |
| public: |
| PVA_FF_BaseCommand(uint8 tag); // Constructor |
| virtual ~PVA_FF_BaseCommand(); |
| |
| // Rendering the Descriptor in proper format (bitlengths, etc.) to an ostream |
| virtual bool renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp) |
| { |
| OSCL_UNUSED_ARG(fp); |
| return true; |
| } |
| // Rendering only the members of the PVA_FF_BaseDescriptor class |
| int renderBaseCommandMembers(MP4_AUTHOR_FF_FILE_IO_WRAP *fp) const; |
| virtual void recomputeSize() = 0; // Should get overridden |
| uint32 getSizeOfClass() const |
| { |
| return _sizeOfClass; |
| } |
| uint32 getDefaultCommandSize() const |
| { |
| return DEFAULT_COMMAND_SIZE; |
| } |
| |
| private: |
| PVA_FF_BaseCommand() {} // Disabling public default constructor |
| |
| }; |
| |
| |
| |
| #endif |
| |