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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 "im_cpl.h"
#include "util.h"
#include "xml.h"
#include "dcp_assert.h"
#include "segment.h"
#include <libcxml/cxml.h>
#include <libxml++/libxml++.h>
#include <boost/foreach.hpp>
using std::list;
using std::string;
using boost::shared_ptr;
using namespace dcp::im;
CPL::CPL (boost::filesystem::path file)
: Asset (file)
{
cxml::Document f ("CompositionPlaylist");
f.read_file (file);
_id = remove_urn_uuid (f.string_child ("Id"));
/* XXX: I don't know whether these things are required or optional */
_annotation = f.optional_string_child("Annotation").get_value_or ("");
_issue_date = f.string_child("IssueDate");
_issuer = f.optional_string_child("Issuer").get_value_or ("");
_creator = f.optional_string_child("Creator").get_value_or ("");
/* ContentOriginator? */
_content_title = f.optional_string_child("ContentTitle").get_value_or ("");
_content_kind = content_kind_from_string (f.string_child ("ContentKind"));
BOOST_FOREACH (cxml::ConstNodePtr i, f.node_child("ContentVersionList")->node_children("ContentVersion")) {
_content_versions.push_back (make_pair (remove_urn_uuid(i->string_child("Id")), i->string_child("LabelText")));
}
/* EssenceDescriptorList */
_edit_rate = Fraction (f.string_child("EditRate"));
/* ExtensionProperties */
_segments = type_grand_children<Segment> (f, "SegmentList", "Segment");
/* f.done (); */
}
void
CPL::resolve_refs (list<shared_ptr<Asset> > assets)
{
/* XXX */
}
string
CPL::pkl_type (Standard standard) const
{
switch (standard) {
case DCP_INTEROP:
case DCP_SMPTE:
/* This class shouldn't be writing DCP CPLs */
DCP_ASSERT (false);
case IMP:
return "text/xml";
}
return "";
}
/** Write an CompositonPlaylist XML file.
* @param file Filename to write.
* @param standard Must be IMP.
* @param signer Signer to sign the CPL, or 0 to add no signature.
*/
void
CPL::write_xml (boost::filesystem::path file, Standard standard, shared_ptr<const CertificateChain> signer) const
{
xmlpp::Document doc;
xmlpp::Element* root = 0;
switch (standard) {
case DCP_INTEROP:
case DCP_SMPTE:
/* This class shouldn't be writing DCP CPLs */
root = doc.create_root_node ("CompositionPlaylist", "http://www.digicine.com/PROTO-ASDCP-CPL-20040511#");
break;
case IMP:
root = doc.create_root_node ("CompositionPlaylist", "http://www.smpte-ra.org/schemas/429-7/2006/CPL");
break;
}
if (signer) {
root->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
}
/* XXX */
set_file (file);
}
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