2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "mono_picture_mxf.h"
23 #include "stereo_picture_mxf.h"
24 #include "sound_mxf.h"
25 #include "subtitle_content.h"
29 #include "exceptions.h"
31 #include "compose.hpp"
32 #include "reel_picture_asset.h"
33 #include "reel_sound_asset.h"
34 #include "reel_subtitle_asset.h"
35 #include <libxml/parser.h>
38 using std::stringstream;
43 using boost::shared_ptr;
44 using boost::lexical_cast;
45 using boost::optional;
48 CPL::CPL (string annotation_text, ContentKind content_kind)
49 : _annotation_text (annotation_text)
50 , _content_kind (content_kind)
55 /** Construct a CPL object from a XML file */
56 CPL::CPL (boost::filesystem::path file)
58 , _content_kind (FEATURE)
60 cxml::Document f ("CompositionPlaylist");
63 _id = f.string_child ("Id");
64 if (_id.length() > 9) {
67 _annotation_text = f.optional_string_child ("AnnotationText").get_value_or ("");
68 _issue_date = f.string_child ("IssueDate");
69 _creator = f.optional_string_child ("Creator").get_value_or ("");
70 _content_title_text = f.string_child ("ContentTitleText");
71 _content_kind = content_kind_from_string (f.string_child ("ContentKind"));
72 shared_ptr<cxml::Node> content_version = f.optional_node_child ("ContentVersion");
73 if (content_version) {
74 _content_version_id = content_version->optional_string_child ("Id").get_value_or ("");
75 _content_version_label_text = content_version->string_child ("LabelText");
76 content_version->done ();
78 f.ignore_child ("RatingList");
79 _reels = type_grand_children<Reel> (f, "ReelList", "Reel");
81 f.ignore_child ("Issuer");
82 f.ignore_child ("Signer");
83 f.ignore_child ("Signature");
88 /** Add a reel to this CPL.
89 * @param reel Reel to add.
92 CPL::add (boost::shared_ptr<Reel> reel)
94 _reels.push_back (reel);
98 CPL::write_xml (boost::filesystem::path file, Standard standard, XMLMetadata metadata, shared_ptr<const Signer> signer) const
101 xmlpp::Element* root;
102 if (standard == INTEROP) {
103 root = doc.create_root_node ("CompositionPlaylist", "http://www.digicine.com/PROTO-ASDCP-CPL-20040511#");
105 root = doc.create_root_node ("CompositionPlaylist", "http://www.smpte-ra.org/schemas/429-7/2006/CPL");
109 root->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
112 root->add_child("Id")->add_child_text ("urn:uuid:" + _id);
113 root->add_child("AnnotationText")->add_child_text (_annotation_text);
114 root->add_child("IssueDate")->add_child_text (metadata.issue_date);
115 root->add_child("Issuer")->add_child_text (metadata.issuer);
116 root->add_child("Creator")->add_child_text (metadata.creator);
117 root->add_child("ContentTitleText")->add_child_text (_content_version_label_text);
118 root->add_child("ContentKind")->add_child_text (content_kind_to_string (_content_kind));
120 xmlpp::Node* cv = root->add_child ("ContentVersion");
121 cv->add_child ("Id")->add_child_text (_content_version_id);
122 cv->add_child ("LabelText")->add_child_text (_content_version_label_text);
124 root->add_child("RatingList");
126 xmlpp::Element* reel_list = root->add_child ("ReelList");
128 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
129 (*i)->write_to_cpl (reel_list, standard);
133 signer->sign (root, standard);
136 /* This must not be the _formatted version otherwise signature digests will be wrong */
137 doc.write_to_file (file.string (), "UTF-8");
142 list<shared_ptr<const Content> >
145 list<shared_ptr<const Content> > a;
146 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
147 if ((*i)->main_picture ()) {
148 a.push_back ((*i)->main_picture()->mxf ());
150 if ((*i)->main_sound ()) {
151 a.push_back ((*i)->main_sound()->mxf ());
153 if ((*i)->main_subtitle ()) {
154 a.push_back ((*i)->main_subtitle()->subtitle_content ());
162 CPL::equals (CPL const & other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
164 if (_annotation_text != other._annotation_text && !opt.cpl_annotation_texts_can_differ) {
166 s << "annotation texts differ: " << _annotation_text << " vs " << other._annotation_text << "\n";
167 note (ERROR, s.str ());
171 if (_content_kind != other._content_kind) {
172 note (ERROR, "content kinds differ");
176 if (_reels.size() != other._reels.size()) {
177 note (ERROR, String::compose ("reel counts differ (%1 vs %2)", _reels.size(), other._reels.size()));
181 list<shared_ptr<Reel> >::const_iterator a = _reels.begin ();
182 list<shared_ptr<Reel> >::const_iterator b = other._reels.begin ();
184 while (a != _reels.end ()) {
185 if (!(*a)->equals (*b, opt, note)) {
195 /** @return true if we have any encrypted content */
197 CPL::encrypted () const
199 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
200 if ((*i)->encrypted ()) {
209 CPL::add (KDM const & kdm)
211 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
216 /** Set a private key for every MXF referenced by this CPL. This will allow the data
217 * to be decrypted or encrypted.
218 * @param key Key to use.
221 CPL::set_mxf_keys (Key key)
223 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
224 (*i)->set_mxf_keys (key);
229 CPL::resolve_refs (list<shared_ptr<Object> > objects)
231 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
232 (*i)->resolve_refs (objects);