*/
+/** @file src/dcp.cc
+ * @brief A class to create a DCP.
+ */
+
#include <sstream>
-#include <fstream>
#include <iomanip>
#include <cassert>
+#include <iostream>
#include <boost/filesystem.hpp>
+#include <boost/algorithm/string.hpp>
+#include <libxml++/libxml++.h>
+#include <xmlsec/xmldsig.h>
+#include <xmlsec/app.h>
#include "dcp.h"
#include "asset.h"
#include "sound_asset.h"
#include "picture_asset.h"
+#include "subtitle_asset.h"
#include "util.h"
#include "metadata.h"
+#include "exceptions.h"
+#include "parse/pkl.h"
+#include "parse/asset_map.h"
+#include "reel.h"
+#include "cpl.h"
+#include "signer.h"
+#include "kdm.h"
+#include "raw_convert.h"
-using namespace std;
-using namespace boost;
+using std::string;
+using std::list;
+using std::stringstream;
+using std::ostream;
+using std::copy;
+using std::back_inserter;
+using std::make_pair;
+using boost::shared_ptr;
using namespace libdcp;
-DCP::DCP (string directory, string name, ContentType content_type, int fps, int length)
+DCP::DCP (boost::filesystem::path directory)
: _directory (directory)
- , _name (name)
- , _content_type (content_type)
- , _fps (fps)
- , _length (length)
{
-
+ boost::filesystem::create_directories (directory);
}
void
-DCP::add_sound_asset (list<string> const & files)
+DCP::write_xml (bool interop, XMLMetadata const & metadata, shared_ptr<const Signer> signer) const
+{
+ for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ (*i)->write_xml (interop, metadata, signer);
+ }
+
+ string pkl_uuid = make_uuid ();
+ string pkl_path = write_pkl (pkl_uuid, interop, metadata, signer);
+
+ write_volindex (interop);
+ write_assetmap (pkl_uuid, boost::filesystem::file_size (pkl_path), interop, metadata);
+}
+
+std::string
+DCP::write_pkl (string pkl_uuid, bool interop, XMLMetadata const & metadata, shared_ptr<const Signer> signer) const
{
- filesystem::path p;
+ assert (!_cpls.empty ());
+
+ boost::filesystem::path p;
p /= _directory;
- p /= "audio.mxf";
- _assets.push_back (shared_ptr<SoundAsset> (new SoundAsset (files, p.string(), &Progress, _fps, _length)));
+ stringstream s;
+ s << pkl_uuid << "_pkl.xml";
+ p /= s.str();
+
+ xmlpp::Document doc;
+ xmlpp::Element* pkl;
+ if (interop) {
+ pkl = doc.create_root_node("PackingList", "http://www.digicine.com/PROTO-ASDCP-PKL-20040311#");
+ } else {
+ pkl = doc.create_root_node("PackingList", "http://www.smpte-ra.org/schemas/429-8/2007/PKL");
+ }
+
+ if (signer) {
+ pkl->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
+ }
+
+ pkl->add_child("Id")->add_child_text ("urn:uuid:" + pkl_uuid);
+ /* XXX: this is a bit of a hack */
+ pkl->add_child("AnnotationText")->add_child_text(_cpls.front()->name());
+ pkl->add_child("IssueDate")->add_child_text (metadata.issue_date);
+ pkl->add_child("Issuer")->add_child_text (metadata.issuer);
+ pkl->add_child("Creator")->add_child_text (metadata.creator);
+
+ xmlpp::Element* asset_list = pkl->add_child("AssetList");
+ list<shared_ptr<const Asset> > a = assets ();
+ for (list<shared_ptr<const Asset> >::const_iterator i = a.begin(); i != a.end(); ++i) {
+ (*i)->write_to_pkl (asset_list, interop);
+ }
+
+ for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ (*i)->write_to_pkl (asset_list, interop);
+ }
+
+ if (signer) {
+ signer->sign (pkl, interop);
+ }
+
+ doc.write_to_file (p.string (), "UTF-8");
+ return p.string ();
}
void
-DCP::add_picture_asset (list<string> const & files, int w, int h)
+DCP::write_volindex (bool interop) const
{
- filesystem::path p;
+ boost::filesystem::path p;
p /= _directory;
- p /= "video.mxf";
- _assets.push_back (shared_ptr<PictureAsset> (new PictureAsset (files, p.string(), &Progress, _fps, _length, w, h)));
+ if (interop) {
+ p /= "VOLINDEX";
+ } else {
+ p /= "VOLINDEX.xml";
+ }
+
+ xmlpp::Document doc;
+ xmlpp::Element* root;
+ if (interop) {
+ root = doc.create_root_node ("VolumeIndex", "http://www.digicine.com/PROTO-ASDCP-AM-20040311#");
+ } else {
+ root = doc.create_root_node ("VolumeIndex", "http://www.smpte-ra.org/schemas/429-9/2007/AM");
+ }
+ root->add_child("Index")->add_child_text ("1");
+ doc.write_to_file (p.string (), "UTF-8");
}
void
-DCP::write_xml () const
+DCP::write_assetmap (string pkl_uuid, int pkl_length, bool interop, XMLMetadata const & metadata) const
{
- string cpl_uuid = make_uuid ();
- string cpl_path = write_cpl (cpl_uuid);
- int cpl_length = filesystem::file_size (cpl_path);
- string cpl_digest = make_digest (cpl_path, 0);
+ boost::filesystem::path p;
+ p /= _directory;
+ if (interop) {
+ p /= "ASSETMAP";
+ } else {
+ p /= "ASSETMAP.xml";
+ }
- string pkl_uuid = make_uuid ();
- string pkl_path = write_pkl (pkl_uuid, cpl_uuid, cpl_digest, cpl_length);
+ xmlpp::Document doc;
+ xmlpp::Element* root;
+ if (interop) {
+ root = doc.create_root_node ("AssetMap", "http://www.digicine.com/PROTO-ASDCP-AM-20040311#");
+ } else {
+ root = doc.create_root_node ("AssetMap", "http://www.smpte-ra.org/schemas/429-9/2007/AM");
+ }
+
+ root->add_child("Id")->add_child_text ("urn:uuid:" + make_uuid());
+ root->add_child("AnnotationText")->add_child_text ("Created by " + metadata.creator);
+ if (interop) {
+ root->add_child("VolumeCount")->add_child_text ("1");
+ root->add_child("IssueDate")->add_child_text (metadata.issue_date);
+ root->add_child("Issuer")->add_child_text (metadata.issuer);
+ root->add_child("Creator")->add_child_text (metadata.creator);
+ } else {
+ root->add_child("Creator")->add_child_text (metadata.creator);
+ root->add_child("VolumeCount")->add_child_text ("1");
+ root->add_child("IssueDate")->add_child_text (metadata.issue_date);
+ root->add_child("Issuer")->add_child_text (metadata.issuer);
+ }
+
+ xmlpp::Node* asset_list = root->add_child ("AssetList");
+
+ xmlpp::Node* asset = asset_list->add_child ("Asset");
+ asset->add_child("Id")->add_child_text ("urn:uuid:" + pkl_uuid);
+ asset->add_child("PackingList")->add_child_text ("true");
+ xmlpp::Node* chunk_list = asset->add_child ("ChunkList");
+ xmlpp::Node* chunk = chunk_list->add_child ("Chunk");
+ chunk->add_child("Path")->add_child_text (pkl_uuid + "_pkl.xml");
+ chunk->add_child("VolumeIndex")->add_child_text ("1");
+ chunk->add_child("Offset")->add_child_text ("0");
+ chunk->add_child("Length")->add_child_text (raw_convert<string> (pkl_length));
- write_volindex ();
- write_assetmap (cpl_uuid, cpl_length, pkl_uuid, filesystem::file_size (pkl_path));
+ for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ (*i)->write_to_assetmap (asset_list);
+ }
+
+ list<shared_ptr<const Asset> > a = assets ();
+ for (list<shared_ptr<const Asset> >::const_iterator i = a.begin(); i != a.end(); ++i) {
+ (*i)->write_to_assetmap (asset_list);
+ }
+
+ /* This must not be the _formatted version otherwise signature digests will be wrong */
+ doc.write_to_file (p.string (), "UTF-8");
}
-string
-DCP::write_cpl (string cpl_uuid) const
+void
+DCP::read (bool require_mxfs)
{
- filesystem::path p;
- p /= _directory;
- stringstream s;
- s << cpl_uuid << "_cpl.xml";
- p /= s.str();
- ofstream cpl (p.string().c_str());
+ read_assets ();
+ read_cpls (require_mxfs);
+}
+
+void
+DCP::read_assets ()
+{
+ shared_ptr<parse::AssetMap> asset_map;
+ try {
+ boost::filesystem::path p = _directory;
+ p /= "ASSETMAP";
+ if (boost::filesystem::exists (p)) {
+ asset_map.reset (new libdcp::parse::AssetMap (p.string ()));
+ } else {
+ p = _directory;
+ p /= "ASSETMAP.xml";
+ if (boost::filesystem::exists (p)) {
+ asset_map.reset (new libdcp::parse::AssetMap (p.string ()));
+ } else {
+ boost::throw_exception (FileError ("could not find AssetMap file", p, -1));
+ }
+ }
+
+ } catch (FileError& e) {
+ boost::throw_exception (FileError ("could not load AssetMap file", e.filename(), e.number ()));
+ }
+
+ for (list<shared_ptr<libdcp::parse::AssetMapAsset> >::const_iterator i = asset_map->assets.begin(); i != asset_map->assets.end(); ++i) {
+ if ((*i)->chunks.size() != 1) {
+ boost::throw_exception (XMLError ("unsupported asset chunk count"));
+ }
+
+ boost::filesystem::path t = _directory;
+ t /= (*i)->chunks.front()->path;
+
+ if (boost::algorithm::ends_with (t.string(), ".mxf") || boost::algorithm::ends_with (t.string(), ".ttf")) {
+ continue;
+ }
+
+ xmlpp::DomParser* p = new xmlpp::DomParser;
+ try {
+ p->parse_file (t.string());
+ } catch (std::exception& e) {
+ delete p;
+ continue;
+ }
+
+ string const root = p->get_document()->get_root_node()->get_name ();
+ delete p;
+
+ if (root == "CompositionPlaylist") {
+ _files.cpls.push_back (t.string());
+ } else if (root == "PackingList") {
+ if (_files.pkl.empty ()) {
+ _files.pkl = t.string();
+ } else {
+ boost::throw_exception (DCPReadError ("duplicate PKLs found"));
+ }
+ }
+ }
- cpl << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- << "<CompositionPlaylist xmlns=\"http://www.smpte-ra.org/schemas/429-7/2006/CPL\">\n"
- << " <Id>urn:uuid:" << cpl_uuid << "</Id>\n"
- << " <AnnotationText>" << _name << "</AnnotationText>\n"
- << " <IssueDate>" << Metadata::instance()->issue_date << "</IssueDate>\n"
- << " <Creator>" << Metadata::instance()->creator << "</Creator>\n"
- << " <ContentTitleText>" << _name << "</ContentTitleText>\n"
- << " <ContentKind>" << content_type_string (_content_type) << "</ContentKind>\n"
- << " <ContentVersion>\n"
- << " <Id>urn:uri:" << cpl_uuid << "_" << Metadata::instance()->issue_date << "</Id>\n"
- << " <LabelText>" << cpl_uuid << "_" << Metadata::instance()->issue_date << "</LabelText>\n"
- << " </ContentVersion>\n"
- << " <RatingList/>\n"
- << " <ReelList>\n";
-
- cpl << " <Reel>\n"
- << " <Id>urn:uuid:" << make_uuid() << "</Id>\n"
- << " <AssetList>\n";
-
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
- (*i)->write_to_cpl (cpl);
- }
-
- cpl << " </AssetList>\n"
- << " </Reel>\n"
- << " </ReelList>\n"
- << "</CompositionPlaylist>\n";
+ if (_files.cpls.empty ()) {
+ boost::throw_exception (DCPReadError ("no CPL files found"));
+ }
- return p.string ();
+ if (_files.pkl.empty ()) {
+ boost::throw_exception (DCPReadError ("no PKL file found"));
+ }
+
+ shared_ptr<parse::PKL> pkl;
+ try {
+ pkl.reset (new parse::PKL (_files.pkl));
+ } catch (FileError& e) {
+ boost::throw_exception (FileError ("could not load PKL file", _files.pkl, e.number ()));
+ }
+
+ _asset_maps.push_back (make_pair (boost::filesystem::absolute (_directory).string(), asset_map));
}
-std::string
-DCP::write_pkl (string pkl_uuid, string cpl_uuid, string cpl_digest, int cpl_length) const
+void
+DCP::read_cpls (bool require_mxfs)
{
- filesystem::path p;
- p /= _directory;
- stringstream s;
- s << pkl_uuid << "_pkl.xml";
- p /= s.str();
- ofstream pkl (p.string().c_str());
-
- pkl << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- << "<PackingList xmlns=\"http://www.smpte-ra.org/schemas/429-8/2007/PKL\">\n"
- << " <Id>urn:uuid:" << pkl_uuid << "</Id>\n"
- << " <AnnotationText>" << _name << "</AnnotationText>\n"
- << " <IssueDate>" << Metadata::instance()->issue_date << "</IssueDate>\n"
- << " <Issuer>" << Metadata::instance()->issuer << "</Issuer>\n"
- << " <Creator>" << Metadata::instance()->creator << "</Creator>\n"
- << " <AssetList>\n";
+ for (list<string>::iterator i = _files.cpls.begin(); i != _files.cpls.end(); ++i) {
+ _cpls.push_back (shared_ptr<CPL> (new CPL (_directory, *i, _asset_maps, require_mxfs)));
+ }
+}
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
- (*i)->write_to_pkl (pkl);
+bool
+DCP::equals (DCP const & other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
+{
+ if (_cpls.size() != other._cpls.size()) {
+ note (ERROR, "CPL counts differ");
+ return false;
}
- pkl << " <Asset>\n"
- << " <Id>urn:uuid:" << cpl_uuid << "</Id>\n"
- << " <Hash>" << cpl_digest << "</Hash>\n"
- << " <Size>" << cpl_length << "</Size>\n"
- << " <Type>text/xml</Type>\n"
- << " </Asset>\n";
+ list<shared_ptr<CPL> >::const_iterator a = _cpls.begin ();
+ list<shared_ptr<CPL> >::const_iterator b = other._cpls.begin ();
- pkl << " </AssetList>\n"
- << "</PackingList>\n";
+ while (a != _cpls.end ()) {
+ if (!(*a)->equals (*b->get(), opt, note)) {
+ return false;
+ }
+ ++a;
+ ++b;
+ }
- return p.string ();
+ return true;
}
void
-DCP::write_volindex () const
+DCP::add_cpl (shared_ptr<CPL> cpl)
{
- filesystem::path p;
- p /= _directory;
- p /= "VOLINDEX.xml";
- ofstream vi (p.string().c_str());
+ _cpls.push_back (cpl);
+}
+
+class AssetComparator
+{
+public:
+ bool operator() (shared_ptr<const Asset> a, shared_ptr<const Asset> b) {
+ return a->uuid() < b->uuid();
+ }
+};
- vi << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- << "<VolumeIndex xmlns=\"http://www.smpte-ra.org/schemas/429-9/2007/AM\">\n"
- << " <Index>1</Index>\n"
- << "</VolumeIndex>\n";
+list<shared_ptr<const Asset> >
+DCP::assets () const
+{
+ list<shared_ptr<const Asset> > a;
+ for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ list<shared_ptr<const Asset> > t = (*i)->assets ();
+ a.merge (t);
+ }
+
+ a.sort (AssetComparator ());
+ a.unique ();
+ return a;
+}
+
+bool
+DCP::encrypted () const
+{
+ for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ if ((*i)->encrypted ()) {
+ return true;
+ }
+ }
+
+ return false;
}
void
-DCP::write_assetmap (string cpl_uuid, int cpl_length, string pkl_uuid, int pkl_length) const
+DCP::add_kdm (KDM const & kdm)
{
- filesystem::path p;
- p /= _directory;
- p /= "ASSETMAP.xml";
- ofstream am (p.string().c_str());
-
- am << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- << "<AssetMap xmlns=\"http://www.smpte-ra.org/schemas/429-9/2007/AM\">\n"
- << " <Id>urn:uuid:" << make_uuid() << "</Id>\n"
- << " <Creator>" << Metadata::instance()->creator << "</Creator>\n"
- << " <VolumeCount>1</VolumeCount>\n"
- << " <IssueDate>" << Metadata::instance()->issue_date << "</IssueDate>\n"
- << " <Issuer>" << Metadata::instance()->issuer << "</Issuer>\n"
- << " <AssetList>\n";
-
- am << " <Asset>\n"
- << " <Id>urn:uuid:" << pkl_uuid << "</Id>\n"
- << " <PackingList>true</PackingList>\n"
- << " <ChunkList>\n"
- << " <Chunk>\n"
- << " <Path>" << pkl_uuid << "_pkl.xml</Path>\n"
- << " <VolumeIndex>1</VolumeIndex>\n"
- << " <Offset>0</Offset>\n"
- << " <Length>" << pkl_length << "</Length>\n"
- << " </Chunk>\n"
- << " </ChunkList>\n"
- << " </Asset>\n";
-
- am << " <Asset>\n"
- << " <Id>urn:uuid:" << cpl_uuid << "</Id>\n"
- << " <ChunkList>\n"
- << " <Chunk>\n"
- << " <Path>" << cpl_uuid << "_cpl.xml</Path>\n"
- << " <VolumeIndex>1</VolumeIndex>\n"
- << " <Offset>0</Offset>\n"
- << " <Length>" << cpl_length << "</Length>\n"
- << " </Chunk>\n"
- << " </ChunkList>\n"
- << " </Asset>\n";
+ list<KDMKey> keys = kdm.keys ();
- for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) {
- (*i)->write_to_assetmap (am);
+ for (list<shared_ptr<CPL> >::iterator i = _cpls.begin(); i != _cpls.end(); ++i) {
+ for (list<KDMKey>::iterator j = keys.begin(); j != keys.end(); ++j) {
+ if (j->cpl_id() == (*i)->id()) {
+ (*i)->add_kdm (kdm);
+ }
+ }
}
-
- am << " </AssetList>\n"
- << "</AssetMap>\n";
}
-string
-DCP::content_type_string (ContentType type)
+void
+DCP::add_assets_from (DCP const & ov)
{
- switch (type) {
- case FEATURE:
- return "feature";
- case SHORT:
- return "short";
- case TRAILER:
- return "trailer";
- case TEST:
- return "test";
- case TRANSITIONAL:
- return "transitional";
- case RATING:
- return "rating";
- case TEASER:
- return "teaser";
- case POLICY:
- return "policy";
- case PUBLIC_SERVICE_ANNOUNCEMENT:
- return "psa";
- case ADVERTISEMENT:
- return "advertisement";
- }
-
- assert (false);
+ copy (ov._asset_maps.begin(), ov._asset_maps.end(), back_inserter (_asset_maps));
}
-