X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fdcp.cc;h=234c134e71b5f0b1d0bff08f008426c33d94b82c;hb=49d779c5289ecfaf9acaac429251b2ffd032228a;hp=fa94c44d3d823aa05dd5777d706669f0fbd038fb;hpb=bc09fbc79580f56c93e35de25230af18b30e0e1e;p=libdcp.git diff --git a/src/dcp.cc b/src/dcp.cc index fa94c44d..234c134e 100644 --- a/src/dcp.cc +++ b/src/dcp.cc @@ -27,407 +27,341 @@ #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 "metadata.h" #include "exceptions.h" +#include "parse/pkl.h" +#include "parse/asset_map.h" +#include "reel.h" #include "cpl.h" -#include "pkl.h" -#include "asset_map.h" - -using namespace std; -using namespace boost; +#include "encryption.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; -DCP::DCP (string directory, string name, ContentKind content_kind, int fps, int length) +DCP::DCP (string directory) : _directory (directory) - , _name (name) - , _content_kind (content_kind) - , _fps (fps) - , _length (length) -{ - -} - -void -DCP::add_sound_asset (vector const & files) -{ - _assets.push_back (shared_ptr (new SoundAsset (files, _directory, "audio.mxf", &Progress, _fps, _length))); -} - -void -DCP::add_sound_asset (sigc::slot get_path, int channels) -{ - _assets.push_back (shared_ptr (new SoundAsset (get_path, _directory, "audio.mxf", &Progress, _fps, _length, channels))); -} - -void -DCP::add_picture_asset (vector const & files, int width, int height) { - _assets.push_back (shared_ptr (new PictureAsset (files, _directory, "video.mxf", &Progress, _fps, _length, width, height))); + boost::filesystem::create_directories (directory); } void -DCP::add_picture_asset (sigc::slot get_path, int width, int height) +DCP::write_xml (bool interop, XMLMetadata const & metadata, shared_ptr crypt) const { - _assets.push_back (shared_ptr (new PictureAsset (get_path, _directory, "video.mxf", &Progress, _fps, _length, width, height))); -} - -void -DCP::write_xml () 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); + for (list >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + (*i)->write_xml (interop, metadata, crypt); + } string pkl_uuid = make_uuid (); - string pkl_path = write_pkl (pkl_uuid, cpl_uuid, cpl_digest, cpl_length); + string pkl_path = write_pkl (pkl_uuid, interop, metadata, crypt); write_volindex (); - write_assetmap (cpl_uuid, cpl_length, pkl_uuid, filesystem::file_size (pkl_path)); -} - -string -DCP::write_cpl (string cpl_uuid) const -{ - filesystem::path p; - p /= _directory; - stringstream s; - s << cpl_uuid << "_cpl.xml"; - p /= s.str(); - ofstream cpl (p.string().c_str()); - - cpl << "\n" - << "\n" - << " urn:uuid:" << cpl_uuid << "\n" - << " " << _name << "\n" - << " " << Metadata::instance()->issue_date << "\n" - << " " << Metadata::instance()->creator << "\n" - << " " << _name << "\n" - << " " << content_kind_to_string (_content_kind) << "\n" - << " \n" - << " urn:uri:" << cpl_uuid << "_" << Metadata::instance()->issue_date << "\n" - << " " << cpl_uuid << "_" << Metadata::instance()->issue_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); - } - - cpl << " \n" - << " \n" - << " \n" - << "\n"; - - return p.string (); + write_assetmap (pkl_uuid, boost::filesystem::file_size (pkl_path), interop, metadata); } std::string -DCP::write_pkl (string pkl_uuid, string cpl_uuid, string cpl_digest, int cpl_length) const +DCP::write_pkl (string pkl_uuid, bool interop, XMLMetadata const & metadata, shared_ptr crypt) const { - filesystem::path p; + assert (!_cpls.empty ()); + + boost::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" - << " " << Metadata::instance()->issue_date << "\n" - << " " << Metadata::instance()->issuer << "\n" - << " " << Metadata::instance()->creator << "\n" - << " \n"; - - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - (*i)->write_to_pkl (pkl); - } - pkl << " \n" - << " urn:uuid:" << cpl_uuid << "\n" - << " " << cpl_digest << "\n" - << " " << cpl_length << "\n" - << " text/xml\n" - << " \n"; + 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 (crypt) { + pkl->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig"); + } - pkl << " \n" - << "\n"; + 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 (crypt) { + sign (pkl, crypt->certificates, crypt->signer_key, interop); + } + + doc.write_to_file_formatted (p.string (), "UTF-8"); return p.string (); } void DCP::write_volindex () const { - filesystem::path p; + boost::filesystem::path p; p /= _directory; p /= "VOLINDEX.xml"; - ofstream vi (p.string().c_str()); - vi << "\n" - << "\n" - << " 1\n" - << "\n"; + 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"); } void -DCP::write_assetmap (string cpl_uuid, int cpl_length, string pkl_uuid, int pkl_length) const +DCP::write_assetmap (string pkl_uuid, int pkl_length, bool interop, XMLMetadata const & metadata) const { - filesystem::path p; + boost::filesystem::path p; p /= _directory; p /= "ASSETMAP.xml"; - ofstream am (p.string().c_str()); - - am << "\n" - << "\n" - << " urn:uuid:" << make_uuid() << "\n" - << " " << Metadata::instance()->creator << "\n" - << " 1\n" - << " " << Metadata::instance()->issue_date << "\n" - << " " << Metadata::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"; + + 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)); - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - (*i)->write_to_assetmap (am); + for (list >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + (*i)->write_to_assetmap (asset_list); } - am << " \n" - << "\n"; -} + list > a = assets (); + for (list >::const_iterator i = a.begin(); i != a.end(); ++i) { + (*i)->write_to_assetmap (asset_list); + } + doc.write_to_file_formatted (p.string (), "UTF-8"); +} -DCP::DCP (string directory) - : _directory (directory) +void +DCP::read (bool require_mxfs) { - string cpl_file; - string pkl_file; - string asset_map_file; + read_assets (); + read_cpls (require_mxfs); +} - for (filesystem::directory_iterator i = filesystem::directory_iterator(directory); i != filesystem::directory_iterator(); ++i) { +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")); + } + } - string const t = i->path().string (); + } catch (FileError& e) { + boost::throw_exception (FileError ("could not load AssetMap file", _files.asset_map)); + } + + 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")); + } - if (ends_with (t, ".mxf")) { + 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); + p->parse_file (t.string()); } catch (std::exception& e) { delete p; continue; } - - if (!p) { - delete p; - continue; - } string const root = p->get_document()->get_root_node()->get_name (); delete p; - + if (root == "CompositionPlaylist") { - if (cpl_file.empty ()) { - cpl_file = t; - } else { - throw DCPReadError ("duplicate CPLs found"); - } + _files.cpls.push_back (t.string()); } else if (root == "PackingList") { - if (pkl_file.empty ()) { - pkl_file = t; - } else { - throw DCPReadError ("duplicate PKLs found"); - } - } else if (root == "AssetMap") { - if (asset_map_file.empty ()) { - asset_map_file = t; + if (_files.pkl.empty ()) { + _files.pkl = t.string(); } else { - throw DCPReadError ("duplicate AssetMaps found"); + boost::throw_exception (DCPReadError ("duplicate PKLs found")); } - asset_map_file = t; } } - - if (cpl_file.empty ()) { - throw FileError ("no CPL file found", ""); - } - - if (pkl_file.empty ()) { - throw FileError ("no PKL file found", ""); + + if (_files.cpls.empty ()) { + boost::throw_exception (FileError ("no CPL files found", "")); } - if (asset_map_file.empty ()) { - throw FileError ("no AssetMap file found", ""); + if (_files.pkl.empty ()) { + boost::throw_exception (FileError ("no PKL file found", "")); } - /* Read the XML */ - shared_ptr cpl; + shared_ptr pkl; try { - cpl.reset (new CPL (cpl_file)); + pkl.reset (new parse::PKL (_files.pkl)); } catch (FileError& e) { - throw FileError ("could not load CPL file", cpl_file); + boost::throw_exception (FileError ("could not load PKL file", _files.pkl)); } - shared_ptr pkl; - try { - pkl.reset (new PKL (pkl_file)); - } catch (FileError& e) { - throw FileError ("could not load PKL file", pkl_file); - } + _asset_maps.push_back (make_pair (boost::filesystem::absolute (_directory).string(), asset_map)); +} - shared_ptr asset_map; - try { - asset_map.reset (new AssetMap (asset_map_file)); - } catch (FileError& e) { - throw FileError ("could not load AssetMap file", asset_map_file); +void +DCP::read_cpls (bool require_mxfs) +{ + 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))); } +} - /* Cross-check */ - /* XXX */ - - /* Now cherry-pick the required bits into our own data structure */ - - _name = cpl->annotation_text; - _content_kind = cpl->content_kind; - - shared_ptr cpl_assets = cpl->reels.front()->asset_list; +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; + } - /* XXX */ - _fps = cpl_assets->main_picture->frame_rate.numerator; - _length = cpl_assets->main_picture->duration; + list >::const_iterator a = _cpls.begin (); + list >::const_iterator b = other._cpls.begin (); - string n = cpl_assets->main_picture->annotation_text; - if (n.empty ()) { - n = pkl->asset_from_id(cpl_assets->main_picture->id)->original_file_name; + while (a != _cpls.end ()) { + if (!(*a)->equals (*b->get(), opt, note)) { + return false; + } + ++a; + ++b; } - _assets.push_back (shared_ptr ( - new PictureAsset ( - _directory, - n, - _fps, - _length, - cpl_assets->main_picture->screen_aspect_ratio.numerator, - cpl_assets->main_picture->screen_aspect_ratio.denominator - ) - )); - - n = cpl_assets->main_sound->annotation_text; - if (n.empty ()) { - n = pkl->asset_from_id(cpl_assets->main_sound->id)->original_file_name; - } - - if (cpl_assets->main_sound) { - _assets.push_back (shared_ptr ( - new SoundAsset ( - _directory, - n, - _fps, - _length - ) - )); - } + return true; } -list -DCP::equals (DCP const & other, EqualityOptions opt) const +void +DCP::add_cpl (shared_ptr cpl) { - list notes; - - if (opt.flags & LIBDCP_METADATA) { - if (_name != other._name) { - notes.push_back ("names differ"); - } - if (_content_kind != other._content_kind) { - notes.push_back ("content kinds differ"); - } - if (_fps != other._fps) { - notes.push_back ("frames per second differ"); - } - if (_length != other._length) { - notes.push_back ("lengths differ"); - } - } + _cpls.push_back (cpl); +} - if (_assets.size() != other._assets.size()) { - notes.push_back ("asset counts differ"); +class AssetComparator +{ +public: + bool operator() (shared_ptr a, shared_ptr b) { + return a->uuid() < b->uuid(); } - - list >::const_iterator a = _assets.begin (); - list >::const_iterator b = other._assets.begin (); - - while (a != _assets.end ()) { - list n = (*a)->equals (*b, opt); - notes.merge (n); - ++a; - ++b; +}; + +list > +DCP::assets () const +{ + list > a; + for (list >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + list > t = (*i)->assets (); + a.merge (t); } - return notes; + a.sort (AssetComparator ()); + a.unique (); + return a; } -shared_ptr -DCP::picture_asset () const +bool +DCP::encrypted () const { - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - shared_ptr p = dynamic_pointer_cast (*i); - if (p) { - return p; + for (list >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + if ((*i)->encrypted ()) { + return true; } } - return shared_ptr (); + return false; } -shared_ptr -DCP::sound_asset () const +void +DCP::add_kdm (KDM const & kdm) { - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - shared_ptr s = dynamic_pointer_cast (*i); - if (s) { - return s; + list ciphers = kdm.ciphers (); + + for (list >::iterator i = _cpls.begin(); i != _cpls.end(); ++i) { + for (list::iterator j = ciphers.begin(); j != ciphers.end(); ++j) { + if (j->cpl_id() == (*i)->id()) { + (*i)->add_kdm (kdm); + } } } +} - return shared_ptr (); +void +DCP::add_assets_from (DCP const & ov) +{ + copy (ov._asset_maps.begin(), ov._asset_maps.end(), back_inserter (_asset_maps)); }