Initial community commit

Src/external_dependencies/libmp4v2/atom_hinf.cpp

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+/*
+ * 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 "mp4common.h"
+
+MP4HinfAtom::MP4HinfAtom() 
+	: MP4Atom("hinf")
+{
+	ExpectChildAtom("trpy", Optional, OnlyOne);
+	ExpectChildAtom("nump", Optional, OnlyOne);
+	ExpectChildAtom("tpyl", Optional, OnlyOne);
+	ExpectChildAtom("maxr", Optional, Many);
+	ExpectChildAtom("dmed", Optional, OnlyOne);
+	ExpectChildAtom("dimm", Optional, OnlyOne);
+	ExpectChildAtom("drep", Optional, OnlyOne);
+	ExpectChildAtom("tmin", Optional, OnlyOne);
+	ExpectChildAtom("tmax", Optional, OnlyOne);
+	ExpectChildAtom("pmax", Optional, OnlyOne);
+	ExpectChildAtom("dmax", Optional, OnlyOne);
+	ExpectChildAtom("payt", Optional, OnlyOne);
+}
+
+void MP4HinfAtom::Generate()
+{
+	// hinf is special in that although all it's child atoms
+	// are optional (on read), if we generate it for writing
+	// we really want all the children
+
+	for (u_int32_t i = 0; i < m_pChildAtomInfos.Size(); i++) {
+		MP4Atom* pChildAtom = 
+			CreateAtom(m_pChildAtomInfos[i]->m_name);
+
+		AddChildAtom(pChildAtom);
+
+		// and ask it to self generate
+		pChildAtom->Generate();
+	}
+}
+