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/*
Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
This program is free software; you -can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "rgba_descriptor.h"
#include "wave_pcm_descriptor.h"
#include "exceptions.h"
using boost::shared_ptr;
using namespace dcp;
EssenceDescriptor::EssenceDescriptor (cxml::ConstNodePtr node)
: Object (node->string_child ("Id"))
{
}
shared_ptr<EssenceDescriptor>
EssenceDescriptor::create (cxml::ConstNodePtr node)
{
if (node->optional_node_child("RGBADescriptor")) {
return shared_ptr<EssenceDescriptor> (new RGBADescriptor (node));
} else if (node->optional_node_child("WAVEPCMDescriptor")) {
return shared_ptr<EssenceDescriptor> (new WAVEPCMDescriptor (node));
}
throw PackageReadError ("unrecognised essence descriptor");
return shared_ptr<EssenceDescriptor> ();
}
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