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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 {
///////////////////////////////////////////////////////////////////////////////
MP4TfhdAtom::MP4TfhdAtom(MP4File &file)
: MP4Atom(file, "tfhd")
{
AddVersionAndFlags(); /* 0, 1 */
AddProperty( /* 2 */
new MP4Integer32Property(*this, "trackId"));
}
void MP4TfhdAtom::AddProperties(uint32_t flags)
{
if (flags & 0x01) {
// note this property is signed 64!
AddProperty(
new MP4Integer64Property(*this, "baseDataOffset"));
}
if (flags & 0x02) {
AddProperty(
new MP4Integer32Property(*this, "sampleDescriptionIndex"));
}
if (flags & 0x08) {
AddProperty(
new MP4Integer32Property(*this, "defaultSampleDuration"));
}
if (flags & 0x10) {
AddProperty(
new MP4Integer32Property(*this, "defaultSampleSize"));
}
if (flags & 0x20) {
AddProperty(
new MP4Integer32Property(*this, "defaultSampleFlags"));
}
}
void MP4TfhdAtom::Read()
{
/* read atom version, flags, and trackId */
ReadProperties(0, 3);
/* need to create the properties based on the atom flags */
AddProperties(GetFlags());
/* now we can read the remaining properties */
ReadProperties(3);
Skip(); // to end of atom
}
///////////////////////////////////////////////////////////////////////////////
}
} // namespace mp4v2::impl
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