2 Copyright (C) 2012-2013 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");
87 CPL::add (shared_ptr<Reel> reel)
89 _reels.push_back (reel);
93 CPL::write_xml (boost::filesystem::path file, Standard standard, XMLMetadata metadata, shared_ptr<const Signer> signer) const
97 if (standard == INTEROP) {
98 root = doc.create_root_node ("CompositionPlaylist", "http://www.digicine.com/PROTO-ASDCP-CPL-20040511#");
100 root = doc.create_root_node ("CompositionPlaylist", "http://www.smpte-ra.org/schemas/429-7/2006/CPL");
104 root->set_namespace_declaration ("http://www.w3.org/2000/09/xmldsig#", "dsig");
107 root->add_child("Id")->add_child_text ("urn:uuid:" + _id);
108 root->add_child("AnnotationText")->add_child_text (_annotation_text);
109 root->add_child("IssueDate")->add_child_text (metadata.issue_date);
110 root->add_child("Issuer")->add_child_text (metadata.issuer);
111 root->add_child("Creator")->add_child_text (metadata.creator);
112 root->add_child("ContentTitleText")->add_child_text (_content_version_label_text);
113 root->add_child("ContentKind")->add_child_text (content_kind_to_string (_content_kind));
115 xmlpp::Node* cv = root->add_child ("ContentVersion");
116 cv->add_child ("Id")->add_child_text (_content_version_id);
117 cv->add_child ("LabelText")->add_child_text (_content_version_label_text);
119 root->add_child("RatingList");
121 xmlpp::Element* reel_list = root->add_child ("ReelList");
123 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
124 (*i)->write_to_cpl (reel_list, standard);
128 signer->sign (root, standard);
131 /* This must not be the _formatted version otherwise signature digests will be wrong */
132 doc.write_to_file (file.string (), "UTF-8");
134 _digest = make_digest (file.string (), 0);
135 _length = boost::filesystem::file_size (file.string ());
138 list<shared_ptr<const Content> >
141 list<shared_ptr<const Content> > a;
142 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
143 if ((*i)->main_picture ()) {
144 a.push_back ((*i)->main_picture()->mxf ());
146 if ((*i)->main_sound ()) {
147 a.push_back ((*i)->main_sound()->mxf ());
149 if ((*i)->main_subtitle ()) {
150 a.push_back ((*i)->main_subtitle()->subtitle_content ());
158 CPL::write_to_assetmap (xmlpp::Node* node) const
160 xmlpp::Node* asset = node->add_child ("Asset");
161 asset->add_child("Id")->add_child_text ("urn:uuid:" + _id);
162 xmlpp::Node* chunk_list = asset->add_child ("ChunkList");
163 xmlpp::Node* chunk = chunk_list->add_child ("Chunk");
164 chunk->add_child("Path")->add_child_text (_id + "_cpl.xml");
165 chunk->add_child("VolumeIndex")->add_child_text ("1");
166 chunk->add_child("Offset")->add_child_text("0");
167 chunk->add_child("Length")->add_child_text(lexical_cast<string> (_length));
171 CPL::equals (CPL const & other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
173 if (_annotation_text != other._annotation_text && !opt.cpl_annotation_texts_can_differ) {
175 s << "annotation texts differ: " << _annotation_text << " vs " << other._annotation_text << "\n";
176 note (ERROR, s.str ());
180 if (_content_kind != other._content_kind) {
181 note (ERROR, "content kinds differ");
185 if (_reels.size() != other._reels.size()) {
186 note (ERROR, String::compose ("reel counts differ (%1 vs %2)", _reels.size(), other._reels.size()));
190 list<shared_ptr<Reel> >::const_iterator a = _reels.begin ();
191 list<shared_ptr<Reel> >::const_iterator b = other._reels.begin ();
193 while (a != _reels.end ()) {
194 if (!(*a)->equals (*b, opt, note)) {
204 /** @return true if we have any encrypted content */
206 CPL::encrypted () const
208 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
209 if ((*i)->encrypted ()) {
218 CPL::add (KDM const & kdm)
220 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
226 CPL::set_mxf_keys (Key key)
228 for (list<shared_ptr<Reel> >::const_iterator i = _reels.begin(); i != _reels.end(); ++i) {
229 (*i)->set_mxf_keys (key);