diff options
Diffstat (limited to 'src/atom_dref.cpp')
-rw-r--r-- | src/atom_dref.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/atom_dref.cpp b/src/atom_dref.cpp new file mode 100644 index 0000000..9d04f6d --- /dev/null +++ b/src/atom_dref.cpp @@ -0,0 +1,67 @@ +/* + * The contents of this file are subject to the Mozilla Public + * License Version 1.1 (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.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS + * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + * implied. See the License for the specific language governing + * rights and limitations under the License. + * + * The Original Code is MPEG4IP. + * + * The Initial Developer of the Original Code is Cisco Systems Inc. + * Portions created by Cisco Systems Inc. are + * Copyright (C) Cisco Systems Inc. 2001. All Rights Reserved. + * + * Contributor(s): + * Dave Mackie dmackie@cisco.com + */ + +#include "src/impl.h" + +namespace mp4v2 { +namespace impl { + +/////////////////////////////////////////////////////////////////////////////// + +MP4DrefAtom::MP4DrefAtom() + : MP4Atom("dref") +{ + AddVersionAndFlags(); + + MP4Integer32Property* pCount = + new MP4Integer32Property("entryCount"); + pCount->SetReadOnly(); + AddProperty(pCount); + + ExpectChildAtom("url ", Optional, Many); + ExpectChildAtom("urn ", Optional, Many); + ExpectChildAtom("alis", Optional, Many); +} + +void MP4DrefAtom::Read() +{ + /* do the usual read */ + MP4Atom::Read(); + + // check that number of children == entryCount + MP4Integer32Property* pCount = + (MP4Integer32Property*)m_pProperties[2]; + + if (m_pChildAtoms.Size() != pCount->GetValue()) { + VERBOSE_READ(GetVerbosity(), + MP4Printf("Warning: dref inconsistency with number of entries")); + + /* fix it */ + pCount->SetReadOnly(false); + pCount->SetValue(m_pChildAtoms.Size()); + pCount->SetReadOnly(true); + } +} + +/////////////////////////////////////////////////////////////////////////////// + +} +} // namespace mp4v2::impl |