118 lines
2.7 KiB
C++
118 lines
2.7 KiB
C++
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is MPEG4IP.
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*
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* The Initial Developer of the Original Code is Cisco Systems Inc.
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* Portions created by Cisco Systems Inc. are
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* Copyright (C) Cisco Systems Inc. 2001. All Rights Reserved.
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*
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* Contributor(s):
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* M. Bakker mbakker at nero.com
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*
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* Apple iTunes META data
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*/
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#include "mp4common.h"
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MP4Meta1Atom::MP4Meta1Atom(const char *name)
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: MP4Atom(name)
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{
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AddVersionAndFlags(); /* 0, 1 */
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AddProperty(new MP4BytesProperty("metadata")); /* 2 */
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}
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void MP4Meta1Atom::Read()
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{
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// calculate size of the metadata from the atom size
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((MP4BytesProperty*)m_pProperties[2])->SetValueSize(m_size - 4);
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MP4Atom::Read();
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}
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MP4DataAtom::MP4DataAtom()
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: MP4Atom("data")
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{
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AddVersionAndFlags(); /* 0, 1 */
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AddReserved("reserved2", 4); /* 2 */
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AddProperty(
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new MP4BytesProperty("metadata")); /* 3 */
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}
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void MP4DataAtom::Read()
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{
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// calculate size of the metadata from the atom size
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((MP4BytesProperty*)m_pProperties[3])->SetValueSize(m_size - 8);
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MP4Atom::Read();
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}
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// MP4Meta2Atom is for \251nam and \251cmt flags, which appear differently
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// in .mov and in itunes file. In .movs, they appear under udata, in
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// itunes, they appear under ilst.
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MP4Meta2Atom::MP4Meta2Atom (const char *name) : MP4Atom(name)
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{
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}
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void MP4Meta2Atom::Read ()
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{
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MP4Atom *parent = GetParentAtom();
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if (ATOMID(parent->GetType()) == ATOMID("udta")) {
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// add data property
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AddReserved("reserved2", 4); /* 0 */
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AddProperty(
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new MP4BytesProperty("metadata")); /* 1 */
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((MP4BytesProperty*)m_pProperties[1])->SetValueSize(m_size - 4);
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} else {
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ExpectChildAtom("data", Required, OnlyOne);
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}
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MP4Atom::Read();
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}
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MP4Meta3Atom::MP4Meta3Atom (const char *name) : MP4Atom(name)
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{
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// add data property
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AddReserved("reserved2", 4); /* 0 */
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AddProperty(new MP4Integer16Property("language"));
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MP4StringProperty *strProp = new MP4StringProperty("metadata");
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strProp->SetUnicode(true);
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AddProperty(strProp); /* 3 */
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}
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void MP4Meta3Atom::Read ()
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{
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MP4Atom::Read();
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}
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MP4Meta4Atom::MP4Meta4Atom (const char *name) : MP4Atom(name)
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{
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// add data property
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AddReserved("reserved2", 4); /* 0 */
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AddProperty(new MP4Integer16Property("metadata")); /* 1 */
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}
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void MP4Meta4Atom::Read ()
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{
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MP4Atom::Read();
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}
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