Initial community commit

Src/external_dependencies/libmp4v2/atom_amr.cpp

@@ -0,0 +1,65 @@
+/*
+ * 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.
+ *
+ * 3GPP features implementation is based on 3GPP's TS26.234-v5.60,
+ * and was contributed by Ximpo Group Ltd.
+ *
+ * Portions created by Ximpo Group Ltd. are
+ * Copyright (C) Ximpo Group Ltd. 2003, 2004.  All Rights Reserved.
+ *
+ * Contributor(s):
+ *              Ximpo Group Ltd.          mp4v2@ximpo.com
+ */
+
+#include "mp4common.h"
+
+MP4AmrAtom::MP4AmrAtom(const char *type) 
+	: MP4Atom(type) 
+{
+	AddReserved("reserved1", 6); /* 0 */
+
+	AddProperty( /* 1 */
+		new MP4Integer16Property("dataReferenceIndex"));
+
+	AddReserved("reserved2", 16); /* 2 */
+
+	AddProperty( /* 3 */
+		new MP4Integer16Property("timeScale"));
+
+	AddReserved("reserved3", 2); /* 4 */
+
+	ExpectChildAtom("damr", Required, OnlyOne);
+}
+
+void MP4AmrAtom::Generate()
+{
+	MP4Atom::Generate();
+
+	((MP4Integer16Property*)m_pProperties[1])->SetValue(1);
+
+	// property reserved2 has non-zero fixed values
+	static u_int8_t reserved2[16] = {
+		0x00, 0x00, 0x00, 0x00, 
+		0x00, 0x00, 0x00, 0x00, 
+		0x00, 0x02, 0x00, 0x10,
+		0x00, 0x00, 0x00, 0x00, 
+	};
+	m_pProperties[2]->SetReadOnly(false);
+	((MP4BytesProperty*)m_pProperties[2])->
+		SetValue(reserved2, sizeof(reserved2));
+	m_pProperties[2]->SetReadOnly(true);
+}