| /* ------------------------------------------------------------------ |
| * 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 DataEntryUrlAtom Class */ |
| /* ------------------------------------------------------------------- */ |
| /*********************************************************************************/ |
| /* |
| This 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 "atomdefs.h" |
| #include "atomutils.h" |
| |
| // Stream-in ctor |
| DataEntryUrlAtom::DataEntryUrlAtom(MP4_FF_FILE *fp) |
| : DataEntryAtom(fp) |
| { |
| if (_success) |
| { |
| _pparent = NULL; |
| |
| if (getFlags() != 1) |
| { |
| // media NOT self contained |
| if (!AtomUtils::readNullTerminatedString(fp, _location)) |
| { |
| _success = false; |
| _mp4ErrorCode = READ_DATA_ENTRY_URL_ATOM_FAILED; |
| } |
| |
| //We DO NOT SUPPORT NON-SELF CONTAINED files. |
| //So flag ERROR, and return |
| |
| _success = false; |
| _mp4ErrorCode = MEDIA_DATA_NOT_SELF_CONTAINED; |
| } |
| else |
| { |
| uint32 count = getSize();; |
| count -= DEFAULT_ATOM_SIZE; |
| count -= 4; |
| if (count > 0) |
| AtomUtils::seekFromCurrPos(fp, count); |
| } |
| } |
| else |
| { |
| _mp4ErrorCode = READ_DATA_ENTRY_URL_ATOM_FAILED; |
| } |
| |
| } |
| |
| // Destructor |
| DataEntryUrlAtom::~DataEntryUrlAtom() |
| { |
| // Empty |
| } |
| |