Merge.
[libdcp.git] / src / dcp.cc
index abeafdfbd9053eda7a3ff505d2507bdfb97fc608..53d5dd39843f27fd0b91a97b6bedcb0a2f118f74 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2015 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
 #include "smpte_subtitle_asset.h"
 #include "mono_picture_asset.h"
 #include "stereo_picture_asset.h"
+#include "reel_subtitle_asset.h"
 #include "util.h"
 #include "metadata.h"
 #include "exceptions.h"
 #include "cpl.h"
-#include "signer.h"
+#include "certificate_chain.h"
 #include "compose.hpp"
 #include "AS_DCP.h"
 #include "decrypted_kdm.h"
 #include "decrypted_kdm_key.h"
 #include "dcp_assert.h"
+#include "reel_asset.h"
+#include "font_asset.h"
 #include <xmlsec/xmldsig.h>
 #include <xmlsec/app.h>
 #include <libxml++/libxml++.h>
@@ -54,8 +57,10 @@ using std::ostream;
 using std::make_pair;
 using std::map;
 using std::cout;
+using std::cerr;
 using std::exception;
 using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
 using boost::algorithm::starts_with;
 using namespace dcp;
 
@@ -65,7 +70,7 @@ DCP::DCP (boost::filesystem::path directory)
        if (!boost::filesystem::exists (directory)) {
                boost::filesystem::create_directories (directory);
        }
-       
+
        _directory = boost::filesystem::canonical (_directory);
 }
 
@@ -85,7 +90,7 @@ void
 DCP::read (bool keep_going, ReadErrors* errors)
 {
        /* Read the ASSETMAP */
-       
+
        boost::filesystem::path asset_map_file;
        if (boost::filesystem::exists (_directory / "ASSETMAP")) {
                asset_map_file = _directory / "ASSETMAP";
@@ -114,6 +119,12 @@ DCP::read (bool keep_going, ReadErrors* errors)
        /* XXX: I think we should be looking at the PKL here to decide type, not
           the extension of the file.
        */
+
+       /* Make a list of non-CPL assets so that we can resolve the references
+          from the CPLs.
+       */
+       list<shared_ptr<Asset> > other_assets;
+
        for (map<string, boost::filesystem::path>::const_iterator i = paths.begin(); i != paths.end(); ++i) {
                boost::filesystem::path path = _directory / i->second;
 
@@ -121,8 +132,8 @@ DCP::read (bool keep_going, ReadErrors* errors)
                        survivable_error (keep_going, errors, MissingAssetError (path));
                        continue;
                }
-               
-               if (boost::algorithm::ends_with (path.string(), ".xml")) {
+
+               if (boost::filesystem::extension (path) == ".xml") {
                        xmlpp::DomParser* p = new xmlpp::DomParser;
                        try {
                                p->parse_file (path.string());
@@ -130,16 +141,16 @@ DCP::read (bool keep_going, ReadErrors* errors)
                                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 (path)));
+                               _cpls.push_back (shared_ptr<CPL> (new CPL (path)));
                        } else if (root == "DCSubtitle") {
-                               _assets.push_back (shared_ptr<InteropSubtitleAsset> (new InteropSubtitleAsset (path)));
+                               other_assets.push_back (shared_ptr<InteropSubtitleAsset> (new InteropSubtitleAsset (path)));
                        }
-               } else if (boost::algorithm::ends_with (path.string(), ".mxf")) {
+               } else if (boost::filesystem::extension (path) == ".mxf") {
                        ASDCP::EssenceType_t type;
                        if (ASDCP::EssenceType (path.string().c_str(), type) != ASDCP::RESULT_OK) {
                                throw DCPReadError ("Could not find essence type");
@@ -149,26 +160,28 @@ DCP::read (bool keep_going, ReadErrors* errors)
                                case ASDCP::ESS_MPEG2_VES:
                                        throw DCPReadError ("MPEG2 video essences are not supported");
                                case ASDCP::ESS_JPEG_2000:
-                                       _assets.push_back (shared_ptr<MonoPictureAsset> (new MonoPictureAsset (path)));
+                                       other_assets.push_back (shared_ptr<MonoPictureAsset> (new MonoPictureAsset (path)));
                                        break;
                                case ASDCP::ESS_PCM_24b_48k:
                                case ASDCP::ESS_PCM_24b_96k:
-                                       _assets.push_back (shared_ptr<SoundAsset> (new SoundAsset (path)));
+                                       other_assets.push_back (shared_ptr<SoundAsset> (new SoundAsset (path)));
                                        break;
                                case ASDCP::ESS_JPEG_2000_S:
-                                       _assets.push_back (shared_ptr<StereoPictureAsset> (new StereoPictureAsset (path)));
+                                       other_assets.push_back (shared_ptr<StereoPictureAsset> (new StereoPictureAsset (path)));
                                        break;
                                case ASDCP::ESS_TIMED_TEXT:
-                                       _assets.push_back (shared_ptr<SMPTESubtitleAsset> (new SMPTESubtitleAsset (path)));
+                                       other_assets.push_back (shared_ptr<SMPTESubtitleAsset> (new SMPTESubtitleAsset (path)));
                                        break;
                                default:
                                        throw DCPReadError ("Unknown MXF essence type");
-                               }
+                       }
+               } else if (boost::filesystem::extension (path) == ".ttf") {
+                       other_assets.push_back (shared_ptr<FontAsset> (new FontAsset (i->first, path)));
                }
        }
 
        BOOST_FOREACH (shared_ptr<CPL> i, cpls ()) {
-               i->resolve_refs (list_of_type<Asset, Object> (assets ()));
+               i->resolve_refs (list_of_type<Asset, Object> (other_assets));
        }
 }
 
@@ -177,7 +190,7 @@ DCP::equals (DCP const & other, EqualityOptions opt, NoteHandler note) const
 {
        list<shared_ptr<CPL> > a = cpls ();
        list<shared_ptr<CPL> > 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;
@@ -200,9 +213,9 @@ DCP::equals (DCP const & other, EqualityOptions opt, NoteHandler note) const
 }
 
 void
-DCP::add (boost::shared_ptr<Asset> asset)
+DCP::add (boost::shared_ptr<CPL> cpl)
 {
-       _assets.push_back (asset);
+       _cpls.push_back (cpl);
 }
 
 bool
@@ -226,13 +239,13 @@ DCP::add (DecryptedKDM const & kdm)
                BOOST_FOREACH (DecryptedKDMKey const & j, kdm.keys ()) {
                        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
+DCP::write_pkl (Standard standard, string pkl_uuid, XMLMetadata metadata, shared_ptr<const CertificateChain> signer) const
 {
        boost::filesystem::path p = _directory;
        p /= String::compose ("pkl_%1.xml", pkl_uuid);
@@ -244,7 +257,7 @@ DCP::write_pkl (Standard standard, string pkl_uuid, XMLMetadata metadata, shared
        } 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");
        }
@@ -254,20 +267,20 @@ DCP::write_pkl (Standard standard, string pkl_uuid, XMLMetadata metadata, shared
        /* XXX: this is a bit of a hack */
        DCP_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");
-       BOOST_FOREACH (shared_ptr<Asset> i, _assets) {
-               i->write_to_pkl (asset_list, standard);
+       BOOST_FOREACH (shared_ptr<Asset> i, assets ()) {
+               i->write_to_pkl (asset_list, _directory, standard);
        }
 
        if (signer) {
                signer->sign (pkl, standard);
        }
-               
+
        doc.write_to_file (p.string (), "UTF-8");
        return p.string ();
 }
@@ -303,7 +316,7 @@ DCP::write_volindex (Standard standard) const
        default:
                DCP_ASSERT (false);
        }
-       
+
        root->add_child("Index")->add_child_text ("1");
        doc.write_to_file (p.string (), "UTF-8");
 }
@@ -312,7 +325,7 @@ void
 DCP::write_assetmap (Standard standard, string pkl_uuid, int pkl_length, XMLMetadata metadata) const
 {
        boost::filesystem::path p = _directory;
-       
+
        switch (standard) {
        case INTEROP:
                p /= "ASSETMAP";
@@ -357,7 +370,7 @@ DCP::write_assetmap (Standard standard, string pkl_uuid, int pkl_length, XMLMeta
        default:
                DCP_ASSERT (false);
        }
-               
+
        xmlpp::Node* asset_list = root->add_child ("AssetList");
 
        xmlpp::Node* asset = asset_list->add_child ("Asset");
@@ -370,7 +383,7 @@ DCP::write_assetmap (Standard standard, string pkl_uuid, int pkl_length, XMLMeta
        chunk->add_child("Offset")->add_child_text ("0");
        chunk->add_child("Length")->add_child_text (raw_convert<string> (pkl_length));
 
-       BOOST_FOREACH (shared_ptr<Asset> i, _assets) {
+       BOOST_FOREACH (shared_ptr<Asset> i, assets ()) {
                i->write_to_assetmap (asset_list, _directory);
        }
 
@@ -387,7 +400,7 @@ void
 DCP::write_xml (
        Standard standard,
        XMLMetadata metadata,
-       shared_ptr<const Signer> signer
+       shared_ptr<const CertificateChain> signer
        )
 {
        BOOST_FOREACH (shared_ptr<CPL> i, cpls ()) {
@@ -397,7 +410,7 @@ DCP::write_xml (
 
        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);
 }
@@ -405,5 +418,26 @@ DCP::write_xml (
 list<shared_ptr<CPL> >
 DCP::cpls () const
 {
-       return list_of_type<Asset, CPL> (_assets);
+       return _cpls;
+}
+
+/** @return All assets (including CPLs) */
+list<shared_ptr<Asset> >
+DCP::assets () const
+{
+       list<shared_ptr<Asset> > assets;
+       BOOST_FOREACH (shared_ptr<CPL> i, cpls ()) {
+               assets.push_back (i);
+               BOOST_FOREACH (shared_ptr<const ReelAsset> j, i->reel_assets ()) {
+                       shared_ptr<Asset> o = j->asset_ref().object ();
+                       assets.push_back (o);
+                       /* More Interop special-casing */
+                       shared_ptr<InteropSubtitleAsset> sub = dynamic_pointer_cast<InteropSubtitleAsset> (o);
+                       if (sub) {
+                               sub->add_font_assets (assets);
+                       }
+               }
+       }
+
+       return assets;
 }