X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fdcp.cc;h=48ee7c56c9cbbf9daed213a4ddfb209876d36bd5;hb=bfae5ed33750db403d9d73e6556f63dceaadcf29;hp=0ba4ed72aed824ab5c9ea283477b14a2c7db27dd;hpb=7d48446b5efdf795df1ce22d6d9ed3ebe85d3381;p=libdcp.git diff --git a/src/dcp.cc b/src/dcp.cc index 0ba4ed72..48ee7c56 100644 --- a/src/dcp.cc +++ b/src/dcp.cc @@ -17,254 +17,351 @@ */ +/** @file src/dcp.cc + * @brief A class to create a DCP. + */ + #include #include #include #include +#include #include +#include +#include +#include +#include +#include +#include #include "dcp.h" #include "asset.h" #include "sound_asset.h" #include "picture_asset.h" +#include "subtitle_asset.h" #include "util.h" -#include "tags.h" - -using namespace std; -using namespace boost; +#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" + +using std::string; +using std::list; +using std::stringstream; +using std::ofstream; +using std::ostream; +using std::copy; +using std::back_inserter; +using std::make_pair; +using boost::shared_ptr; +using boost::lexical_cast; using namespace libdcp; -/** Construct a DCP. - * @param d Directory to write files to. - */ -DCP::DCP (string d, string n, ContentType c, int fps, int length) - : _directory (d) - , _name (n) - , _content_type (c) - , _fps (fps) - , _length (length) +DCP::DCP (boost::filesystem::path directory) + : _directory (directory) { - char buffer[64]; - time_t now; - time (&now); - struct tm* tm = localtime (&now); - strftime (buffer, 64, "%Y-%m-%dT%I:%M:%S+00:00", tm); - _date = string (buffer); + boost::filesystem::create_directories (directory); } void -DCP::add_sound_asset (list const & files) +DCP::write_xml (bool interop, XMLMetadata const & metadata, shared_ptr signer) const { - filesystem::path p; - p /= _directory; - p /= "audio.mxf"; - _assets.push_back (shared_ptr (new SoundAsset (files, p.string(), _fps, _length))); + for (list >::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 (); + write_assetmap (pkl_uuid, boost::filesystem::file_size (pkl_path), interop, metadata); } -void -DCP::add_picture_asset (list const & files, int w, int h) +std::string +DCP::write_pkl (string pkl_uuid, bool interop, XMLMetadata const & metadata, shared_ptr signer) const { - filesystem::path p; + assert (!_cpls.empty ()); + + boost::filesystem::path p; p /= _directory; - p /= "video.mxf"; - _assets.push_back (shared_ptr (new PictureAsset (files, p.string(), _fps, _length, w, h))); + 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 > a = assets (); + for (list >::const_iterator i = a.begin(); i != a.end(); ++i) { + (*i)->write_to_pkl (asset_list); + } + + for (list >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + (*i)->write_to_pkl (asset_list); + } + + if (signer) { + signer->sign (pkl, interop); + } + + doc.write_to_file_formatted (p.string (), "UTF-8"); + return p.string (); } -/** Write the required XML files to the directory that was - * passed into the constructor. - */ void -DCP::write_xml () const +DCP::write_volindex () 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); + boost::filesystem::path p; + p /= _directory; + p /= "VOLINDEX.xml"; - string pkl_uuid = make_uuid (); - string pkl_path = write_pkl (pkl_uuid, cpl_uuid, cpl_digest, cpl_length); - - write_volindex (); - write_assetmap (cpl_uuid, cpl_length, pkl_uuid, filesystem::file_size (pkl_path)); + xmlpp::Document doc; + xmlpp::Element* 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_formatted (p.string (), "UTF-8"); } -/** Write the CPL file. - * @param cpl_uuid UUID to use. - * @return CPL pathname. - */ -string -DCP::write_cpl (string cpl_uuid) const +void +DCP::write_assetmap (string pkl_uuid, int pkl_length, bool interop, XMLMetadata const & metadata) const { - filesystem::path p; + boost::filesystem::path p; p /= _directory; - stringstream s; - s << cpl_uuid << "_cpl.xml"; - p /= s.str(); - ofstream cpl (p.string().c_str()); + p /= "ASSETMAP.xml"; + + 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 (lexical_cast (pkl_length)); - cpl << "\n" - << "\n" - << " urn:uuid:" << cpl_uuid << "\n" - << " " << _name << "\n" - << " " << _date << "\n" - << " libdcp " << Tags::instance()->creator << "\n" - << " " << _name << "\n" - << " " << _content_type << "\n" - << " \n" - << " urn:uri:" << cpl_uuid << "_" << _date << "\n" - << " " << cpl_uuid << "_" << _date << "\n" - << " \n" - << " \n" - << " \n"; - - cpl << " \n" - << " urn:uuid:" << make_uuid() << "\n" - << " \n"; - - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - (*i)->write_to_cpl (cpl); + for (list >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + (*i)->write_to_assetmap (asset_list); } - cpl << " \n" - << " \n" - << " \n" - << "\n"; + list > a = assets (); + for (list >::const_iterator i = a.begin(); i != a.end(); ++i) { + (*i)->write_to_assetmap (asset_list); + } - return p.string (); + doc.write_to_file_formatted (p.string (), "UTF-8"); } -/** Write the PKL file. - * @param pkl_uuid UUID to use. - * @param cpl_uuid UUID of the CPL file. - * @param cpl_digest SHA digest of the CPL file. - * @param cpl_length Length of the CPL file in bytes. - */ -std::string -DCP::write_pkl (string pkl_uuid, string cpl_uuid, string cpl_digest, int cpl_length) const +void +DCP::read (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 << "\n" - << "\n" - << " urn:uuid:" << pkl_uuid << "\n" - << " " << _name << "\n" - << " " << _date << "\n" - << " " << Tags::instance()->issuer << "\n" - << " " << Tags::instance()->creator << "\n" - << " \n"; - - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - (*i)->write_to_pkl (pkl); + read_assets (); + read_cpls (require_mxfs); +} + +void +DCP::read_assets () +{ + shared_ptr 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 (DCPReadError ("could not find AssetMap file")); + } + } + + } catch (FileError& e) { + boost::throw_exception (FileError ("could not load AssetMap file", _files.asset_map)); } - pkl << " \n" - << " urn:uuid" << cpl_uuid << "\n" - << " " << cpl_digest << "\n" - << " " << cpl_length << "\n" - << " text/xml\n" - << " \n"; + for (list >::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")); + } - pkl << " \n" - << "\n"; + 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")); + } + } + } + + if (_files.cpls.empty ()) { + boost::throw_exception (FileError ("no CPL files found", "")); + } - return p.string (); + if (_files.pkl.empty ()) { + boost::throw_exception (FileError ("no PKL file found", "")); + } + + shared_ptr pkl; + try { + pkl.reset (new parse::PKL (_files.pkl)); + } catch (FileError& e) { + boost::throw_exception (FileError ("could not load PKL file", _files.pkl)); + } + + _asset_maps.push_back (make_pair (boost::filesystem::absolute (_directory).string(), asset_map)); } void -DCP::write_volindex () const +DCP::read_cpls (bool require_mxfs) { - filesystem::path p; - p /= _directory; - p /= "VOLINDEX.xml"; - ofstream vi (p.string().c_str()); + for (list::iterator i = _files.cpls.begin(); i != _files.cpls.end(); ++i) { + _cpls.push_back (shared_ptr (new CPL (_directory, *i, _asset_maps, require_mxfs))); + } +} - vi << "\n" - << "\n" - << " 1\n" - << "\n"; +bool +DCP::equals (DCP const & other, EqualityOptions opt, boost::function note) const +{ + if (_cpls.size() != other._cpls.size()) { + note (ERROR, "CPL counts differ"); + return false; + } + + list >::const_iterator a = _cpls.begin (); + list >::const_iterator b = other._cpls.begin (); + + while (a != _cpls.end ()) { + if (!(*a)->equals (*b->get(), opt, note)) { + return false; + } + ++a; + ++b; + } + + return true; } void -DCP::write_assetmap (string cpl_uuid, int cpl_length, string pkl_uuid, int pkl_length) const +DCP::add_cpl (shared_ptr cpl) { - filesystem::path p; - p /= _directory; - p /= "ASSETMAP.xml"; - ofstream am (p.string().c_str()); - - am << "\n" - << "\n" - << " urn:uuid:" << make_uuid() << "\n" - << " " << Tags::instance()->creator << "\n" - << " 1\n" - << " " << _date << "\n" - << " " << Tags::instance()->issuer << "\n" - << " \n"; - - am << " \n" - << " urn:uuid:" << pkl_uuid << "\n" - << " true\n" - << " \n" - << " \n" - << " " << pkl_uuid << "_pkl.xml\n" - << " 1\n" - << " 0\n" - << " " << pkl_length << "\n" - << " \n" - << " \n" - << " \n"; - - am << " \n" - << " urn:uuid:" << cpl_uuid << "\n" - << " \n" - << " \n" - << " " << cpl_uuid << "_cpl.xml\n" - << " 1\n" - << " 0\n" - << " " << cpl_length << "\n" - << " \n" - << " \n" - << " \n"; - - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - (*i)->write_to_assetmap (am); + _cpls.push_back (cpl); +} + +class AssetComparator +{ +public: + bool operator() (shared_ptr a, shared_ptr b) { + return a->uuid() < b->uuid(); + } +}; + +list > +DCP::assets () const +{ + list > a; + for (list >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + list > t = (*i)->assets (); + a.merge (t); } - am << " \n" - << "\n"; + a.sort (AssetComparator ()); + a.unique (); + return a; } +bool +DCP::encrypted () const +{ + for (list >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + if ((*i)->encrypted ()) { + return true; + } + } + + return false; +} -string -DCP::content_type_string (ContentType t) +void +DCP::add_kdm (KDM const & kdm) { - switch (t) { - 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"; + list keys = kdm.keys (); + + for (list >::iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + for (list::iterator j = keys.begin(); j != keys.end(); ++j) { + if (j->cpl_id() == (*i)->id()) { + (*i)->add_kdm (kdm); + } + } } +} - assert (false); +void +DCP::add_assets_from (DCP const & ov) +{ + copy (ov._asset_maps.begin(), ov._asset_maps.end(), back_inserter (_asset_maps)); } -