Initial community commit

Src/external_dependencies/libmp4v2/atom_encv.cpp

@@ -0,0 +1,81 @@
+/*
+ * 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
+ *		Alix Marchandise-Franquet	alix@cisco.com
+ */
+
+#include "mp4common.h"
+
+MP4EncvAtom::MP4EncvAtom() 
+	: MP4Atom("encv")
+{
+	AddReserved("reserved1", 6); /* 0 */
+
+	AddProperty( /* 1 */
+		new MP4Integer16Property("dataReferenceIndex"));
+
+	AddReserved("reserved2", 16); /* 2 */
+
+	AddProperty( /* 3 */
+		new MP4Integer16Property("width"));
+	AddProperty( /* 4 */
+		new MP4Integer16Property("height"));
+
+	AddReserved("reserved3", 14); /* 5 */
+
+	MP4StringProperty* pProp = 
+		new MP4StringProperty("compressorName");
+	pProp->SetFixedLength(32);
+	pProp->SetValue("");
+	AddProperty(pProp); /* 6 */
+	AddReserved("reserved4", 4); /* 7 */
+
+	ExpectChildAtom("esds", Required, OnlyOne);
+	ExpectChildAtom("sinf", Required, OnlyOne);
+	ExpectChildAtom("avcC", Optional, OnlyOne);
+}	
+
+void MP4EncvAtom::Generate()
+{
+	MP4Atom::Generate();
+
+	((MP4Integer16Property*)m_pProperties[1])->SetValue(1);
+
+	// property reserved3 has non-zero fixed values
+	static u_int8_t reserved3[14] = {
+		0x00, 0x48, 0x00, 0x00, 
+		0x00, 0x48, 0x00, 0x00, 
+		0x00, 0x00, 0x00, 0x00, 
+		0x00, 0x01,
+	};
+	m_pProperties[5]->SetReadOnly(false);
+	((MP4BytesProperty*)m_pProperties[5])->
+		SetValue(reserved3, sizeof(reserved3));
+	m_pProperties[5]->SetReadOnly(true);
+
+	// property reserved4 has non-zero fixed values
+	static u_int8_t reserved4[4] = {
+		0x00, 0x18, 0xFF, 0xFF, 
+	};
+	m_pProperties[7]->SetReadOnly(false);
+	((MP4BytesProperty*)m_pProperties[7])->
+		SetValue(reserved4, sizeof(reserved4));
+	m_pProperties[7]->SetReadOnly(true);
+}
+