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)
56 /** Construct a CPL object from a XML file */
57 CPL::CPL (boost::filesystem::path file)
58 : _content_kind (FEATURE)
61 cxml::Document f ("CompositionPlaylist");
64 _id = f.string_child ("Id");
65 _annotation_text = f.optional_string_child ("AnnotationText").get_value_or ("");
66 _issue_date = f.string_child ("IssueDate");
67 _creator = f.optional_string_child ("Creator").get_value_or ("");
68 _content_title_text = f.string_child ("ContentTitleText");
69 _content_kind = content_kind_from_string (f.string_child ("ContentKind"));
70 shared_ptr<cxml::Node> content_version = f.node_child ("ContentVersion");
71 if (content_version) {
72 _content_version_id = content_version->optional_string_child ("Id").get_value_or ("");
73 _content_version_label_text = content_version->string_child ("LabelText");
74 content_version->done ();
76 f.ignore_child ("RatingList");
77 _reels = type_grand_children<Reel> (f, "ReelList", "Reel");
79 f.ignore_child ("Issuer");
80 f.ignore_child ("Signer");
81 f.ignore_child ("Signature");
86 /** Add a reel to this CPL.
87 * @param reel Reel to add.
90 CPL::add (shared_ptr<Reel> reel)
92 _reels.push_back (reel);
96 CPL::write_xml (boost::filesystem::path file, Standard standard, XMLMetadata metadata, shared_ptr<const Signer> signer) const
100 if (standard == INTEROP) {
101 root = doc.create_root_node ("CompositionPlaylist", "http://www.digicine.com/PROTO-ASDCP-CPL-20040511#");
103 root = doc.create_root_node ("CompositionPlaylist", "http://www.smpte-ra.org/schemas/429-7/2006/CPL");
107 root->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
110 root->add_child("Id")->add_child_text ("urn:uuid:" + _id);
111 root->add_child("AnnotationText")->add_child_text (_annotation_text);
112 root->add_child("IssueDate")->add_child_text (metadata.issue_date);
113 root->add_child("Issuer")->add_child_text (metadata.issuer);
114 root->add_child("Creator")->add_child_text (metadata.creator);
115 root->add_child("ContentTitleText")->add_child_text (_content_version_label_text);
116 root->add_child("ContentKind")->add_child_text (content_kind_to_string (_content_kind));
118 xmlpp::Node* cv = root->add_child ("ContentVersion");
119 cv->add_child ("Id")->add_child_text (_content_version_id);
120 cv->add_child ("LabelText")->add_child_text (_content_version_label_text);
122 root->add_child("RatingList");
124 xmlpp::Element* reel_list = root->add_child ("ReelList");
126 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
127 (*i)->write_to_cpl (reel_list, standard);
131 signer->sign (root, standard);
134 /* This must not be the _formatted version otherwise signature digests will be wrong */
135 doc.write_to_file (file.string (), "UTF-8");
137 _digest = make_digest (file.string (), 0);
138 _length = boost::filesystem::file_size (file.string ());
141 list<shared_ptr<const Content> >
144 list<shared_ptr<const Content> > a;
145 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
146 if ((*i)->main_picture ()) {
147 a.push_back ((*i)->main_picture()->mxf ());
149 if ((*i)->main_sound ()) {
150 a.push_back ((*i)->main_sound()->mxf ());
152 if ((*i)->main_subtitle ()) {
153 a.push_back ((*i)->main_subtitle()->subtitle_content ());
161 CPL::write_to_assetmap (xmlpp::Node* node) const
163 xmlpp::Node* asset = node->add_child ("Asset");
164 asset->add_child("Id")->add_child_text ("urn:uuid:" + _id);
165 xmlpp::Node* chunk_list = asset->add_child ("ChunkList");
166 xmlpp::Node* chunk = chunk_list->add_child ("Chunk");
167 chunk->add_child("Path")->add_child_text (_id + "_cpl.xml");
168 chunk->add_child("VolumeIndex")->add_child_text ("1");
169 chunk->add_child("Offset")->add_child_text("0");
170 chunk->add_child("Length")->add_child_text(lexical_cast<string> (_length));
174 CPL::equals (CPL const & other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
176 if (_annotation_text != other._annotation_text && !opt.cpl_annotation_texts_can_differ) {
178 s << "annotation texts differ: " << _annotation_text << " vs " << other._annotation_text << "\n";
179 note (ERROR, s.str ());
183 if (_content_kind != other._content_kind) {
184 note (ERROR, "content kinds differ");
188 if (_reels.size() != other._reels.size()) {
189 note (ERROR, String::compose ("reel counts differ (%1 vs %2)", _reels.size(), other._reels.size()));
193 list<shared_ptr<Reel> >::const_iterator a = _reels.begin ();
194 list<shared_ptr<Reel> >::const_iterator b = other._reels.begin ();
196 while (a != _reels.end ()) {
197 if (!(*a)->equals (*b, opt, note)) {
207 /** @return true if we have any encrypted content */
209 CPL::encrypted () const
211 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
212 if ((*i)->encrypted ()) {
221 CPL::add (KDM const & kdm)
223 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
229 CPL::set_mxf_keys (Key key)
231 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
232 (*i)->set_mxf_keys (key);