| /* ------------------------------------------------------------------ |
| * 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_DataEntryUrlAtom Class contains a table of data references which declare |
| the location of the media data used within the MPEG-4 presentation. |
| */ |
| |
| #define IMPLEMENT_DataEntryUrlAtom_H__ |
| |
| #include "dataentryurlatom.h" |
| #include "a_atomdefs.h" |
| #include "atomutils.h" |
| |
| // Constructor |
| PVA_FF_DataEntryUrlAtom::PVA_FF_DataEntryUrlAtom(uint32 selfContained) |
| : PVA_FF_DataEntryAtom(DATA_ENTRY_URL_ATOM, (uint8)0, selfContained) |
| { |
| recomputeSize(); |
| } |
| |
| // Destructor |
| PVA_FF_DataEntryUrlAtom::~PVA_FF_DataEntryUrlAtom() |
| { |
| // Empty |
| } |
| |
| |
| // Rendering the PVA_FF_Atom in proper format (bitlengths, etc.) to an ostream |
| bool |
| PVA_FF_DataEntryUrlAtom::renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp) |
| { |
| int32 rendered = 0; |
| |
| if (!renderAtomBaseMembers(fp)) |
| { |
| return false; |
| } |
| rendered += getDefaultSize(); |
| |
| if (getFlags() != 1) |
| { |
| // media NOT self contained |
| if (!PVA_FF_AtomUtils::renderNullTerminatedString(fp, getLocation())) |
| { |
| return false; |
| } |
| rendered += _location.get_size() + 1; // 1 for null termination |
| } |
| |
| return true; |
| } |
| |
| |
| |
| void |
| PVA_FF_DataEntryUrlAtom::recomputeSize() |
| { |
| int32 size = getDefaultSize(); |
| |
| if (getFlags() != 1) // media NOT self contained |
| { |
| size += _location.get_size() + 1; // 1 for null termination |
| } |
| |
| _size = size; |
| |
| } |
| |
| |