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-rw-r--r--src/atom_mp4v.cpp91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/atom_mp4v.cpp b/src/atom_mp4v.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 "src/impl.h"
+
+namespace mp4v2 {
+namespace impl {
+
+///////////////////////////////////////////////////////////////////////////////
+
+MP4Mp4vAtom::MP4Mp4vAtom()
+ : MP4Atom("mp4v")
+{
+ 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->SetCountedFormat(true);
+ pProp->SetValue("");
+ AddProperty(pProp); /* 6 */
+
+ AddReserved("reserved4", 4); /* 7 */
+
+ ExpectChildAtom("colr", Optional, OnlyOne);
+ ExpectChildAtom("esds", Required, OnlyOne);
+ ExpectChildAtom("pasp", Optional, OnlyOne);
+}
+
+void MP4Mp4vAtom::Generate()
+{
+ MP4Atom::Generate();
+
+ ((MP4Integer16Property*)m_pProperties[1])->SetValue(1);
+
+ // property reserved3 has non-zero fixed values
+ static uint8_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 uint8_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);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+}
+} // namespace mp4v2::impl