diff options
| author | Carl Hetherington <cth@carlh.net> | 2014-01-26 21:35:02 +0000 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2014-01-26 21:35:02 +0000 |
| commit | 59886567974bd3e79d30a4a9425d86d50bf425f3 (patch) | |
| tree | 68e583a64144f5cbffede882e1187ecf737b2e43 /src/dcp.cc | |
| parent | 0703842433013ac1d5f79c09d7a8361dc2e565c8 (diff) | |
It builds again.
Diffstat (limited to 'src/dcp.cc')
| -rw-r--r-- | src/dcp.cc | 420 |
1 files changed, 209 insertions, 211 deletions
@@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington <cth@carlh.net> + Copyright (C) 2012-2014 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 @@ -18,33 +18,35 @@ */ /** @file src/dcp.cc - * @brief A class to create a DCP. + * @brief DCP class. */ -#include <sstream> -#include <iomanip> -#include <cassert> -#include <iostream> -#include <boost/filesystem.hpp> -#include <boost/lexical_cast.hpp> -#include <boost/algorithm/string.hpp> -#include <boost/lexical_cast.hpp> -#include <libxml++/libxml++.h> -#include <xmlsec/xmldsig.h> -#include <xmlsec/app.h> #include "dcp.h" #include "sound_mxf.h" #include "picture_mxf.h" -#include "subtitle_asset.h" +#include "subtitle_content.h" +#include "mono_picture_mxf.h" +#include "stereo_picture_mxf.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 "compose.hpp" +#include "AS_DCP.h" +#include <xmlsec/xmldsig.h> +#include <xmlsec/app.h> +#include <libxml++/libxml++.h> +#include <boost/filesystem.hpp> +#include <boost/lexical_cast.hpp> +#include <boost/algorithm/string.hpp> +#include <boost/lexical_cast.hpp> +#include <sstream> +#include <iomanip> +#include <cassert> +#include <iostream> using std::string; using std::list; @@ -53,8 +55,10 @@ using std::ostream; using std::copy; using std::back_inserter; using std::make_pair; +using std::map; using boost::shared_ptr; using boost::lexical_cast; +using boost::dynamic_pointer_cast; using namespace dcp; DCP::DCP (boost::filesystem::path directory) @@ -64,33 +68,154 @@ DCP::DCP (boost::filesystem::path directory) } void -DCP::write_xml (bool interop, XMLMetadata const & metadata, shared_ptr<const Signer> signer) const +DCP::read () { - for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { - (*i)->write_xml (interop, metadata, signer); + /* Read the ASSETMAP */ + + boost::filesystem::path asset_map_file; + if (boost::filesystem::exists (_directory / "ASSETMAP")) { + asset_map_file = _directory / "ASSETMAP"; + } else if (boost::filesystem::exists (_directory / "ASSETMAP.xml")) { + asset_map_file = _directory / "ASSETMAP.xml"; + } else { + boost::throw_exception (DCPReadError ("could not find AssetMap file")); + } + + cxml::Document asset_map ("AssetMap"); + asset_map.read_file (asset_map_file); + list<shared_ptr<cxml::Node> > assets = asset_map.node_child("AssetList")->node_children ("Asset"); + map<string, boost::filesystem::path> paths; + for (list<shared_ptr<cxml::Node> >::const_iterator i = assets.begin(); i != assets.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 pkl_uuid = make_uuid (); - string pkl_path = write_pkl (pkl_uuid, interop, metadata, signer); + /* Read all the assets from the asset map */ - write_volindex (interop); - write_assetmap (pkl_uuid, boost::filesystem::file_size (pkl_path), interop, metadata); + for (map<string, boost::filesystem::path>::const_iterator i = paths.begin(); i != paths.end(); ++i) { + if (boost::algorithm::ends_with (i->second.string(), ".xml")) { + xmlpp::DomParser* p = new xmlpp::DomParser; + try { + p->parse_file (i->second.string()); + } catch (std::exception& e) { + delete p; + continue; + } + + string const root = p->get_document()->get_root_node()->get_name (); + delete p; + + if (root == "CompositionPlaylist") { + _assets.push_back (shared_ptr<CPL> (new CPL (i->second))); + } else if (root == "DCSubtitle") { + _assets.push_back (shared_ptr<SubtitleContent> (new SubtitleContent (i->second))); + } + } else if (boost::algorithm::ends_with (i->second.string(), ".mxf")) { + ASDCP::EssenceType_t type; + if (ASDCP::EssenceType (i->second.string().c_str(), type) != ASDCP::RESULT_OK) { + throw DCPReadError ("Could not find essence type"); + } + switch (type) { + case ASDCP::ESS_UNKNOWN: + case ASDCP::ESS_MPEG2_VES: + throw DCPReadError ("MPEG2 video essences are not supported"); + case ASDCP::ESS_JPEG_2000: + _assets.push_back (shared_ptr<MonoPictureMXF> (new MonoPictureMXF (i->second))); + break; + case ASDCP::ESS_PCM_24b_48k: + case ASDCP::ESS_PCM_24b_96k: + _assets.push_back (shared_ptr<SoundMXF> (new SoundMXF (i->second))); + break; + case ASDCP::ESS_JPEG_2000_S: + _assets.push_back (shared_ptr<StereoPictureMXF> (new StereoPictureMXF (i->second))); + break; + default: + throw DCPReadError ("Unknown MXF essence type"); + } + } + } +} + +bool +DCP::equals (DCP const & other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const +{ + if (_assets.size() != other._assets.size()) { + note (ERROR, "Asset counts differ"); + return false; + } + + list<shared_ptr<Asset> >::const_iterator a = _assets.begin (); + list<shared_ptr<Asset> >::const_iterator b = other._assets.begin (); + + while (a != _assets.end ()) { + if (!(*a)->equals (*b, opt, note)) { + return false; + } + ++a; + ++b; + } + + return true; +} + +void +DCP::add (shared_ptr<Asset> asset) +{ + _assets.push_back (asset); } -std::string -DCP::write_pkl (string pkl_uuid, bool interop, XMLMetadata const & metadata, shared_ptr<const Signer> signer) const +class AssetComparator { - assert (!_cpls.empty ()); +public: + bool operator() (shared_ptr<const Content> a, shared_ptr<const Content> b) { + return a->id() < b->id(); + } +}; + +bool +DCP::encrypted () const +{ + list<shared_ptr<CPL> > cpl = cpls (); + for (list<shared_ptr<CPL> >::const_iterator i = cpl.begin(); i != cpl.end(); ++i) { + if ((*i)->encrypted ()) { + return true; + } + } + + return false; +} + +void +DCP::add (KDM const & kdm) +{ + list<KDMKey> keys = kdm.keys (); + list<shared_ptr<CPL> > cpl = cpls (); - boost::filesystem::path p; - p /= _directory; + for (list<shared_ptr<CPL> >::iterator i = cpl.begin(); i != cpl.end(); ++i) { + for (list<KDMKey>::iterator j = keys.begin(); j != keys.end(); ++j) { + if (j->cpl_id() == (*i)->id()) { + (*i)->add (kdm); + } + } + } +} + +boost::filesystem::path +DCP::write_pkl (Standard standard, string pkl_uuid, XMLMetadata metadata, shared_ptr<const Signer> signer) const +{ + boost::filesystem::path p = _directory; stringstream s; s << pkl_uuid << "_pkl.xml"; p /= s.str(); xmlpp::Document doc; xmlpp::Element* pkl; - if (interop) { + if (standard == 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"); @@ -101,36 +226,49 @@ DCP::write_pkl (string pkl_uuid, bool interop, XMLMetadata const & metadata, sha } 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()); + list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); + shared_ptr<CPL> first_cpl; + while (i != _assets.end()) { + first_cpl = dynamic_pointer_cast<CPL> (*i); + if (first_cpl) { + break; + } + } + + assert (first_cpl); + pkl->add_child("AnnotationText")->add_child_text (first_cpl->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"); - list<shared_ptr<const Content> > a = assets (); - for (list<shared_ptr<const Content> >::const_iterator i = a.begin(); i != a.end(); ++i) { - (*i)->write_to_pkl (asset_list); - } - - for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { - (*i)->write_to_pkl (asset_list); + + for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { + shared_ptr<Content> c = dynamic_pointer_cast<Content> (*i); + if (c) { + c->write_to_pkl (asset_list); + } } if (signer) { - signer->sign (pkl, interop); + signer->sign (pkl, standard); } doc.write_to_file (p.string (), "UTF-8"); return p.string (); } +/** Write the VOLINDEX file. + * @param standard DCP standard to use (INTEROP or SMPTE) + */ void -DCP::write_volindex (bool interop) const +DCP::write_volindex (Standard standard) const { - boost::filesystem::path p; - p /= _directory; - if (interop) { + boost::filesystem::path p = _directory; + if (standard == INTEROP) { p /= "VOLINDEX"; } else { p /= "VOLINDEX.xml"; @@ -143,11 +281,10 @@ DCP::write_volindex (bool interop) const } void -DCP::write_assetmap (string pkl_uuid, int pkl_length, bool interop, XMLMetadata const & metadata) const +DCP::write_assetmap (Standard standard, string pkl_uuid, int pkl_length, XMLMetadata metadata) const { - boost::filesystem::path p; - p /= _directory; - if (interop) { + boost::filesystem::path p = _directory; + if (standard == INTEROP) { p /= "ASSETMAP"; } else { p /= "ASSETMAP.xml"; @@ -155,7 +292,7 @@ DCP::write_assetmap (string pkl_uuid, int pkl_length, bool interop, XMLMetadata xmlpp::Document doc; xmlpp::Element* root; - if (interop) { + if (standard == 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"); @@ -163,7 +300,7 @@ DCP::write_assetmap (string pkl_uuid, int pkl_length, bool interop, XMLMetadata root->add_child("Id")->add_child_text ("urn:uuid:" + make_uuid()); root->add_child("AnnotationText")->add_child_text ("Created by " + metadata.creator); - if (interop) { + if (standard == 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); @@ -187,12 +324,7 @@ DCP::write_assetmap (string pkl_uuid, int pkl_length, bool interop, XMLMetadata chunk->add_child("Offset")->add_child_text ("0"); chunk->add_child("Length")->add_child_text (lexical_cast<string> (pkl_length)); - for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { - (*i)->write_to_assetmap (asset_list); - } - - list<shared_ptr<const Content> > a = assets (); - for (list<shared_ptr<const Content> >::const_iterator i = a.begin(); i != a.end(); ++i) { + for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { (*i)->write_to_assetmap (asset_list); } @@ -201,173 +333,39 @@ DCP::write_assetmap (string pkl_uuid, int pkl_length, bool interop, XMLMetadata } void -DCP::read (bool require_mxfs) +DCP::write_xml ( + Standard standard, + XMLMetadata metadata, + shared_ptr<const Signer> signer + ) { - 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 dcp::parse::AssetMap (p.string ())); - } else { - p = _directory; - p /= "ASSETMAP.xml"; - if (boost::filesystem::exists (p)) { - asset_map.reset (new dcp::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, e.number ())); - } - - for (list<shared_ptr<dcp::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")); - } - } - } + string const pkl_uuid = make_uuid (); + boost::filesystem::path const pkl_path = write_pkl (standard, pkl_uuid, metadata, signer); - if (_files.cpls.empty ()) { - boost::throw_exception (DCPReadError ("no CPL files found")); - } - - 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)); -} - -void -DCP::read_cpls (bool require_mxfs) -{ - 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))); - } -} - -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; - } - - list<shared_ptr<CPL> >::const_iterator a = _cpls.begin (); - list<shared_ptr<CPL> >::const_iterator b = other._cpls.begin (); - - while (a != _cpls.end ()) { - if (!(*a)->equals (*b->get(), opt, note)) { - return false; + write_volindex (standard); + write_assetmap (standard, pkl_uuid, boost::filesystem::file_size (pkl_path), metadata); + + for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { + shared_ptr<CPL> c = dynamic_pointer_cast<CPL> (*i); + if (c) { + string const filename = c->id() + "_cpl.xml"; + c->write_xml (_directory / filename, standard, metadata, signer); } - ++a; - ++b; - } - - return true; -} - -void -DCP::add_cpl (shared_ptr<CPL> cpl) -{ - _cpls.push_back (cpl); -} - -class AssetComparator -{ -public: - bool operator() (shared_ptr<const Content> a, shared_ptr<const Content> b) { - return a->id() < b->id(); - } -}; - -list<shared_ptr<const Content> > -DCP::assets () const -{ - list<shared_ptr<const Content> > a; - for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { - list<shared_ptr<const Content> > t = (*i)->assets (); - a.merge (t); } - - a.sort (AssetComparator ()); - a.unique (); - return a; } -bool -DCP::encrypted () const +list<shared_ptr<CPL> > +DCP::cpls () const { - for (list<shared_ptr<CPL> >::const_iterator i = _cpls.begin(); i != _cpls.end(); ++i) { - if ((*i)->encrypted ()) { - return true; + list<shared_ptr<CPL> > cpls; + for (list<shared_ptr<Asset> >::const_iterator i = _assets.begin(); i != _assets.end(); ++i) { + shared_ptr<CPL> c = dynamic_pointer_cast<CPL> (*i); + if (c) { + cpls.push_back (c); } } - return false; + return cpls; } -void -DCP::add_kdm (KDM const & kdm) -{ - list<KDMKey> keys = kdm.keys (); - 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); - } - } - } -} - -void -DCP::add_assets_from (DCP const & ov) -{ - copy (ov._asset_maps.begin(), ov._asset_maps.end(), back_inserter (_asset_maps)); -} |
