2 * The contents of this file are subject to the Mozilla Public
3 * License Version 1.1 (the "License"); you may not use this file
4 * except in compliance with the License. You may obtain a copy of
5 * the License at http://www.mozilla.org/MPL/
7 * Software distributed under the License is distributed on an "AS
8 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
9 * implied. See the License for the specific language governing
10 * rights and limitations under the License.
12 * The Original Code is MPEG4IP.
14 * The Initial Developer of the Original Code is Cisco Systems Inc.
15 * Portions created by Cisco Systems Inc. are
16 * Copyright (C) Cisco Systems Inc. 2001. All Rights Reserved.
19 * Dave Mackie dmackie@cisco.com
24 namespace mp4v2 { namespace impl {
26 ///////////////////////////////////////////////////////////////////////////////
28 MP4StblAtom::MP4StblAtom(MP4File &file)
29 : MP4Atom(file, "stbl")
31 ExpectChildAtom("stsd", Required, OnlyOne);
32 ExpectChildAtom("stts", Required, OnlyOne);
33 ExpectChildAtom("ctts", Optional, OnlyOne);
34 ExpectChildAtom("stsz", Required, OnlyOne);
35 ExpectChildAtom("stz2", Optional, OnlyOne);
36 ExpectChildAtom("stsc", Required, OnlyOne);
37 ExpectChildAtom("stco", Optional, OnlyOne);
38 ExpectChildAtom("co64", Optional, OnlyOne);
39 ExpectChildAtom("stss", Optional, OnlyOne);
40 ExpectChildAtom("stsh", Optional, OnlyOne);
41 ExpectChildAtom("stdp", Optional, OnlyOne);
42 ExpectChildAtom("sdtp", Optional, OnlyOne);
45 void MP4StblAtom::Generate()
50 // but we also need one of the chunk offset atoms
51 MP4Atom* pChunkOffsetAtom;
52 if (m_File.Use64Bits(GetType())) {
53 pChunkOffsetAtom = CreateAtom(m_File, this, "co64");
55 pChunkOffsetAtom = CreateAtom(m_File, this, "stco");
58 AddChildAtom(pChunkOffsetAtom);
60 // and ask it to self generate
61 pChunkOffsetAtom->Generate();
64 ///////////////////////////////////////////////////////////////////////////////
66 }} // namespace mp4v2::impl