winamp/Src/external_dependencies/libmp4v2/atom_stbl.cpp
2024-09-24 14:54:57 +02:00

59 lines
1.7 KiB
C++

/*
* 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"
MP4StblAtom::MP4StblAtom()
: MP4Atom("stbl")
{
ExpectChildAtom("stsd", Required, OnlyOne);
ExpectChildAtom("stts", Required, OnlyOne);
ExpectChildAtom("ctts", Optional, OnlyOne);
ExpectChildAtom("stsz", Required, OnlyOne);
ExpectChildAtom("stz2", Optional, OnlyOne);
ExpectChildAtom("stsc", Required, OnlyOne);
ExpectChildAtom("stco", Optional, OnlyOne);
ExpectChildAtom("co64", Optional, OnlyOne);
ExpectChildAtom("stss", Optional, OnlyOne);
ExpectChildAtom("stsh", Optional, OnlyOne);
ExpectChildAtom("stdp", Optional, OnlyOne);
}
void MP4StblAtom::Generate()
{
// as usual
MP4Atom::Generate();
// but we also need one of the chunk offset atoms
MP4Atom* pChunkOffsetAtom;
if (m_pFile->Use64Bits(GetType())) {
pChunkOffsetAtom = CreateAtom("co64");
} else {
pChunkOffsetAtom = CreateAtom("stco");
}
AddChildAtom(pChunkOffsetAtom);
// and ask it to self generate
pChunkOffsetAtom->Generate();
}