X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fdcp.cc;h=ca1c23d9a9df0fdaf7e85a75769c380781f4cf05;hb=595d4fbfee788edfad7f9f8dfe7e76ee634c1a94;hp=6af33663781e982b2c5840a8d81d7439d2d0fc7f;hpb=8c2f3517e868078b551bb01d975f2956cb692fbf;p=libdcp.git diff --git a/src/dcp.cc b/src/dcp.cc index 6af33663..ca1c23d9 100644 --- a/src/dcp.cc +++ b/src/dcp.cc @@ -21,6 +21,7 @@ * @brief DCP class. */ +#include "raw_convert.h" #include "dcp.h" #include "sound_mxf.h" #include "picture_mxf.h" @@ -33,16 +34,15 @@ #include "reel.h" #include "cpl.h" #include "signer.h" -#include "kdm.h" #include "compose.hpp" #include "AS_DCP.h" +#include "decrypted_kdm.h" +#include "decrypted_kdm_key.h" #include #include #include #include -#include #include -#include #include #include #include @@ -50,23 +50,41 @@ using std::string; using std::list; +using std::cout; using std::stringstream; using std::ostream; using std::make_pair; using std::map; +using std::cout; +using std::exception; using boost::shared_ptr; -using boost::lexical_cast; -using boost::dynamic_pointer_cast; +using boost::algorithm::starts_with; using namespace dcp; DCP::DCP (boost::filesystem::path directory) : _directory (directory) { - boost::filesystem::create_directories (directory); + if (!boost::filesystem::exists (directory)) { + boost::filesystem::create_directories (directory); + } + + _directory = boost::filesystem::canonical (_directory); +} + +template void +survivable_error (bool keep_going, dcp::DCP::ReadErrors* errors, T const & e) +{ + if (keep_going) { + if (errors) { + errors->push_back (shared_ptr (new T (e))); + } + } else { + throw e; + } } void -DCP::read () +DCP::read (bool keep_going, ReadErrors* errors) { /* Read the ASSETMAP */ @@ -76,30 +94,37 @@ DCP::read () } else if (boost::filesystem::exists (_directory / "ASSETMAP.xml")) { asset_map_file = _directory / "ASSETMAP.xml"; } else { - boost::throw_exception (DCPReadError ("could not find AssetMap file")); + boost::throw_exception (DCPReadError (String::compose ("could not find AssetMap file `%1'", asset_map_file.string()))); } cxml::Document asset_map ("AssetMap"); asset_map.read_file (asset_map_file); - list > assets = asset_map.node_child("AssetList")->node_children ("Asset"); + list > asset_nodes = asset_map.node_child("AssetList")->node_children ("Asset"); map paths; - for (list >::const_iterator i = assets.begin(); i != assets.end(); ++i) { + for (list >::const_iterator i = asset_nodes.begin(); i != asset_nodes.end(); ++i) { if ((*i)->node_child("ChunkList")->node_children("Chunk").size() != 1) { boost::throw_exception (XMLError ("unsupported asset chunk count")); } - paths.insert (make_pair ( - (*i)->string_child ("Id"), - (*i)->node_child("ChunkList")->node_child("Chunk")->string_child ("Path") - )); + string p = (*i)->node_child("ChunkList")->node_child("Chunk")->string_child ("Path"); + if (starts_with (p, "file://")) { + p = p.substr (7); + } + paths.insert (make_pair ((*i)->string_child ("Id"), p)); } /* Read all the assets from the asset map */ - for (map::const_iterator i = paths.begin(); i != paths.end(); ++i) { - if (boost::algorithm::ends_with (i->second.string(), ".xml")) { + boost::filesystem::path path = _directory / i->second; + + if (!boost::filesystem::exists (path)) { + survivable_error (keep_going, errors, MissingAssetError (path)); + continue; + } + + if (boost::algorithm::ends_with (path.string(), ".xml")) { xmlpp::DomParser* p = new xmlpp::DomParser; try { - p->parse_file (i->second.string()); + p->parse_file (path.string()); } catch (std::exception& e) { delete p; continue; @@ -109,13 +134,13 @@ DCP::read () delete p; if (root == "CompositionPlaylist") { - _assets.push_back (shared_ptr (new CPL (i->second))); + _assets.push_back (shared_ptr (new CPL (path))); } else if (root == "DCSubtitle") { - _assets.push_back (shared_ptr (new SubtitleContent (i->second))); + _assets.push_back (shared_ptr (new SubtitleContent (path, false))); } - } else if (boost::algorithm::ends_with (i->second.string(), ".mxf")) { + } else if (boost::algorithm::ends_with (path.string(), ".mxf")) { ASDCP::EssenceType_t type; - if (ASDCP::EssenceType (i->second.string().c_str(), type) != ASDCP::RESULT_OK) { + if (ASDCP::EssenceType (path.string().c_str(), type) != ASDCP::RESULT_OK) { throw DCPReadError ("Could not find essence type"); } switch (type) { @@ -123,42 +148,55 @@ DCP::read () case ASDCP::ESS_MPEG2_VES: throw DCPReadError ("MPEG2 video essences are not supported"); case ASDCP::ESS_JPEG_2000: - _assets.push_back (shared_ptr (new MonoPictureMXF (i->second))); + _assets.push_back (shared_ptr (new MonoPictureMXF (path))); break; case ASDCP::ESS_PCM_24b_48k: case ASDCP::ESS_PCM_24b_96k: - _assets.push_back (shared_ptr (new SoundMXF (i->second))); + _assets.push_back (shared_ptr (new SoundMXF (path))); break; case ASDCP::ESS_JPEG_2000_S: - _assets.push_back (shared_ptr (new StereoPictureMXF (i->second))); + _assets.push_back (shared_ptr (new StereoPictureMXF (path))); + break; + case ASDCP::ESS_TIMED_TEXT: + _assets.push_back (shared_ptr (new SubtitleContent (path, true))); break; default: throw DCPReadError ("Unknown MXF essence type"); } } } + + list > cpl = cpls (); + for (list >::const_iterator i = cpl.begin(); i != cpl.end(); ++i) { + (*i)->resolve_refs (list_of_type (assets ())); + } } bool DCP::equals (DCP const & other, EqualityOptions opt, boost::function note) const { - if (_assets.size() != other._assets.size()) { - note (ERROR, "Asset counts differ"); + list > a = cpls (); + list > b = other.cpls (); + + if (a.size() != b.size()) { + note (DCP_ERROR, String::compose ("CPL counts differ: %1 vs %2", a.size(), b.size())); return false; } - list >::const_iterator a = _assets.begin (); - list >::const_iterator b = other._assets.begin (); + bool r = true; - while (a != _assets.end ()) { - if (!(*a)->equals (*b, opt, note)) { - return false; + for (list >::const_iterator i = a.begin(); i != a.end(); ++i) { + list >::const_iterator j = b.begin (); + while (j != b.end() && !(*j)->equals (*i, opt, note)) { + ++j; + } + + if (j == b.end ()) { + r = false; } - ++a; - ++b; } - return true; + return r; } void @@ -167,14 +205,6 @@ DCP::add (boost::shared_ptr asset) _assets.push_back (asset); } -class AssetComparator -{ -public: - bool operator() (shared_ptr a, shared_ptr b) { - return a->id() < b->id(); - } -}; - bool DCP::encrypted () const { @@ -189,13 +219,13 @@ DCP::encrypted () const } void -DCP::add (KDM const & kdm) +DCP::add (DecryptedKDM const & kdm) { - list keys = kdm.keys (); + list keys = kdm.keys (); list > cpl = cpls (); for (list >::iterator i = cpl.begin(); i != cpl.end(); ++i) { - for (list::iterator j = keys.begin(); j != keys.end(); ++j) { + for (list::iterator j = keys.begin(); j != keys.end(); ++j) { if (j->cpl_id() == (*i)->id()) { (*i)->add (kdm); } @@ -226,29 +256,16 @@ DCP::write_pkl (Standard standard, string pkl_uuid, XMLMetadata metadata, shared pkl->add_child("Id")->add_child_text ("urn:uuid:" + pkl_uuid); /* XXX: this is a bit of a hack */ - list >::const_iterator i = _assets.begin(); - shared_ptr first_cpl; - while (i != _assets.end()) { - first_cpl = dynamic_pointer_cast (*i); - if (first_cpl) { - break; - } - } - - assert (first_cpl); - pkl->add_child("AnnotationText")->add_child_text (first_cpl->annotation_text ()); + assert (cpls().size() > 0); + pkl->add_child("AnnotationText")->add_child_text (cpls().front()->annotation_text ()); 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"); - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - shared_ptr c = dynamic_pointer_cast (*i); - if (c) { - c->write_to_pkl (asset_list); - } + (*i)->write_to_pkl (asset_list, standard); } if (signer) { @@ -266,14 +283,31 @@ void DCP::write_volindex (Standard standard) const { boost::filesystem::path p = _directory; - if (standard == INTEROP) { + switch (standard) { + case INTEROP: p /= "VOLINDEX"; - } else { + break; + case SMPTE: p /= "VOLINDEX.xml"; + break; + default: + assert (false); } xmlpp::Document doc; - xmlpp::Element* root = doc.create_root_node ("VolumeIndex", "http://www.smpte-ra.org/schemas/429-9/2007/AM"); + xmlpp::Element* root; + + switch (standard) { + case INTEROP: + root = doc.create_root_node ("VolumeIndex", "http://www.digicine.com/PROTO-ASDCP-AM-20040311#"); + break; + case SMPTE: + root = doc.create_root_node ("VolumeIndex", "http://www.smpte-ra.org/schemas/429-9/2007/AM"); + break; + default: + assert (false); + } + root->add_child("Index")->add_child_text ("1"); doc.write_to_file (p.string (), "UTF-8"); } @@ -282,32 +316,50 @@ void DCP::write_assetmap (Standard standard, string pkl_uuid, int pkl_length, XMLMetadata metadata) const { boost::filesystem::path p = _directory; - if (standard == INTEROP) { + + switch (standard) { + case INTEROP: p /= "ASSETMAP"; - } else { + break; + case SMPTE: p /= "ASSETMAP.xml"; + break; + default: + assert (false); } xmlpp::Document doc; xmlpp::Element* root; - if (standard == INTEROP) { + + switch (standard) { + case INTEROP: root = doc.create_root_node ("AssetMap", "http://www.digicine.com/PROTO-ASDCP-AM-20040311#"); - } else { + break; + case SMPTE: root = doc.create_root_node ("AssetMap", "http://www.smpte-ra.org/schemas/429-9/2007/AM"); + break; + default: + assert (false); } root->add_child("Id")->add_child_text ("urn:uuid:" + make_uuid()); root->add_child("AnnotationText")->add_child_text ("Created by " + metadata.creator); - if (standard == INTEROP) { + + switch (standard) { + case 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 { + break; + case SMPTE: 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); + break; + default: + assert (false); } xmlpp::Node* asset_list = root->add_child ("AssetList"); @@ -320,16 +372,21 @@ DCP::write_assetmap (Standard standard, string pkl_uuid, int pkl_length, XMLMeta 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)); + chunk->add_child("Length")->add_child_text (raw_convert (pkl_length)); for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - (*i)->write_to_assetmap (asset_list); + (*i)->write_to_assetmap (asset_list, _directory); } /* This must not be the _formatted version otherwise signature digests will be wrong */ doc.write_to_file (p.string (), "UTF-8"); } +/** Write all the XML files for this DCP. + * @param standand INTEROP or SMPTE. + * @param metadata Metadata to use for PKL and asset map files. + * @param signer Signer to use, or 0. + */ void DCP::write_xml ( Standard standard, @@ -337,33 +394,21 @@ DCP::write_xml ( shared_ptr signer ) { + list > cpl = cpls (); + for (list >::const_iterator i = cpl.begin(); i != cpl.end(); ++i) { + string const filename = (*i)->id() + "_cpl.xml"; + (*i)->write_xml (_directory / filename, standard, signer); + } + string const pkl_uuid = make_uuid (); boost::filesystem::path const pkl_path = write_pkl (standard, pkl_uuid, metadata, signer); write_volindex (standard); write_assetmap (standard, pkl_uuid, boost::filesystem::file_size (pkl_path), metadata); - - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - shared_ptr c = dynamic_pointer_cast (*i); - if (c) { - string const filename = c->id() + "_cpl.xml"; - c->write_xml (_directory / filename, standard, metadata, signer); - } - } } list > DCP::cpls () const { - list > cpls; - for (list >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { - shared_ptr c = dynamic_pointer_cast (*i); - if (c) { - cpls.push_back (c); - } - } - - return cpls; + return list_of_type (_assets); } - -