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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 [email protected]
*/
#include "src/impl.h"
namespace mp4v2 {
namespace impl {
///////////////////////////////////////////////////////////////////////////////
MP4ODUpdateDescriptor::MP4ODUpdateDescriptor(MP4Atom& parentAtom)
: MP4Descriptor(parentAtom, MP4ODUpdateODCommandTag)
{
// just a container for ObjectDescriptors
AddProperty( /* 0 */
new MP4DescriptorProperty(parentAtom, NULL,
MP4FileODescrTag, 0, Required, Many));
}
MP4ODRemoveDescriptor::MP4ODRemoveDescriptor(MP4Atom& parentAtom)
: MP4Descriptor(parentAtom, MP4ODRemoveODCommandTag)
{
MP4Integer32Property* pCount =
new MP4Integer32Property(parentAtom, "entryCount");
pCount->SetImplicit();
AddProperty(pCount); /* 0 */
MP4TableProperty* pTable =
new MP4TableProperty(parentAtom, "entries", pCount);
AddProperty(pTable); /* 1 */
pTable->AddProperty( /* 1, 0 */
new MP4BitfieldProperty(pTable->GetParentAtom(), "objectDescriptorId", 10));
}
void MP4ODRemoveDescriptor::Read(MP4File& file)
{
// table entry count computed from descriptor size
((MP4Integer32Property*)m_pProperties[0])->SetReadOnly(false);
((MP4Integer32Property*)m_pProperties[0])->SetValue((m_size * 8) / 10);
((MP4Integer32Property*)m_pProperties[0])->SetReadOnly(true);
MP4Descriptor::Read(file);
}
MP4ESUpdateDescriptor::MP4ESUpdateDescriptor(MP4Atom& parentAtom)
: MP4Descriptor(parentAtom, MP4ESUpdateODCommandTag)
{
AddProperty( /* 0 */
new MP4BitfieldProperty(parentAtom, "objectDescriptorId", 10));
AddProperty( /* 1 */
new MP4BitfieldProperty(parentAtom, "pad", 6));
AddProperty( /* 2 */
new MP4DescriptorProperty(parentAtom, "esIdRefs",
MP4ESIDRefDescrTag, 0, Required, Many));
}
// LATER might be able to combine with ESUpdateDescriptor
MP4ESRemoveDescriptor::MP4ESRemoveDescriptor(MP4Atom& parentAtom)
: MP4Descriptor(parentAtom, MP4ESRemoveODCommandTag)
{
AddProperty( /* 0 */
new MP4BitfieldProperty(parentAtom, "objectDescriptorId", 10));
AddProperty( /* 1 */
new MP4BitfieldProperty(parentAtom, "pad", 6));
AddProperty( /* 2 */
new MP4DescriptorProperty(parentAtom, "esIdRefs",
MP4ESIDRefDescrTag, 0, Required, Many));
}
MP4Descriptor* CreateODCommand(MP4Atom& parentAtom, uint8_t tag)
{
MP4Descriptor* pDescriptor = NULL;
switch (tag) {
case MP4ODUpdateODCommandTag:
pDescriptor = new MP4ODUpdateDescriptor(parentAtom);
break;
case MP4ODRemoveODCommandTag:
pDescriptor = new MP4ODRemoveDescriptor(parentAtom);
break;
case MP4ESUpdateODCommandTag:
pDescriptor = new MP4ESUpdateDescriptor(parentAtom);
break;
case MP4ESRemoveODCommandTag:
pDescriptor = new MP4ESRemoveDescriptor(parentAtom);
break;
}
return pDescriptor;
}
///////////////////////////////////////////////////////////////////////////////
}
} // namespace mp4v2::impl
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