public override bool IsSuitableParent(Mpeg4Header parent)
{
// Header is allowed in its suitable parent (correct files)
if (HeaderName.GetSuitableParents().Contains(parent.HeaderName))
{
return(true);
}
// Header ends up in the root if no suitable parent was found (partial files)
if (!parent.IsRoot)
{
return(false);
}
// Atoms of partial files are allowed in the root if empty
if (!parent.HasChildren())
{
return(true);
}
// Root should not already contain top-level atoms (FileType, MediaData or Movie)
// Otherwise, the top-level parent of this header should have been in the root as well
foreach (Mpeg4Header header in parent.Children)
{
if (header.HeaderName.IsTopLevel())
{
return(false);
}
}
return(true);
}
public override bool IsSuitableParent(AsfObject parent)
{
if (!parent.IsRoot)
{
// Should fit in parent object
if (Offset < parent.Offset || RelativeEndOffset > parent.RelativeEndOffset)
{
return(false);
}
}
// First object should not be unknown
if (IsUnknown && parent.IsRoot && !parent.HasChildren())
{
return(false);
}
// ASF object should have no duplicates in its parent if DuplicatesAllowed is false
if (!HeaderName.IsFlagSet(ObjectFlags.DuplicatesAllowed) && parent.HasChild(HeaderName))
{
// ASF object of partial files may end up in the root
// Therefore, duplicates are allowed, except for top-level atoms
if (!parent.IsRoot || HeaderName.IsTopLevel())
{
return(false);
}
}
// Header object is always the first object
if (HeaderName == AsfObjectName.HeaderObject && parent.HasChildren())
{
return(false);
}
// Object is allowed in its suitable parent (correct files)
if (HeaderName.GetSuitableParents().Contains(parent.HeaderName))
{
return(true);
}
// Object ends up in the root if no suitable parent was found (partial files)
if (!parent.IsRoot)
{
return(false);
}
return(true);
}
public override bool IsSuitableParent(QtAtom parent)
{
if (!parent.IsRoot)
{
// Should fit in parent atom (box)
if ((Offset < parent.Offset) || (RelativeEndOffset > parent.RelativeEndOffset))
{
return(false);
}
}
// First atom should not be unknown
if (IsUnknown && parent.IsRoot && !parent.HasChildren())
{
return(false);
}
// Atom should have no duplicates in its parent if DuplicatesAllowed is false
if (!HeaderName.IsFlagSet(AtomFlags.DuplicatesAllowed) && parent.HasChild(HeaderName))
{
// Atoms of partial files may end up in the root
// Therefore, duplicates are allowed, except for top-level atoms
if (!parent.IsRoot || HeaderName.IsTopLevel())
{
return(false);
}
}
// Atom is allowed in its suitable parent (correct files)
if (HeaderName.GetSuitableParents().Contains(parent.HeaderName))
{
return(true);
}
// Atom ends up in the root if no suitable parent was found (partial files)
if (!parent.IsRoot)
{
return(false);
}
// Atoms of partial files are allowed in the root if empty
if (!parent.HasChildren())
{
return(true);
}
// Root should not already contain top-level atoms (FileType, MediaData or Movie)
// Otherwise, the top-level parent of this atom should have been in the root as well
foreach (QtAtom atom in parent.Children)
{
if (atom.HeaderName.IsTopLevel())
{
return(false);
}
}
// Depth of this atom should be equal or lower than last child of the root
//if (!IsAtomTypeAllowedInRootAtThisPoint(parent, HeaderName))
//{
// return false;
//}
// Root should not contain only suitable ancestor of the atom
//if (false)
//{
// return false;
//}
// No 'higher atoms' than its suitable parent (siblings of an ancestor)
//if (false)
//{
// return false;
//}
return(true);
}
