2 Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 libdcp is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
30 version. If you delete this exception statement from all source
31 files in the program, then also delete it here.
45 #include "certificate.h"
47 #include "language_tag.h"
49 #include <boost/filesystem.hpp>
50 #include <boost/function.hpp>
51 #include <boost/optional.hpp>
56 struct verify_invalid_language3;
65 class CertificateChain;
70 * @brief A Composition Playlist
72 class CPL : public Asset
75 CPL (std::string annotation_text, ContentKind content_kind, Standard standard);
77 /** Construct a CPL object from a XML file */
78 explicit CPL (boost::filesystem::path file);
81 std::shared_ptr<const Asset> other,
82 EqualityOptions options,
86 /** Add a reel to this CPL
87 * @param reel Reel to add
89 void add (std::shared_ptr<Reel> reel);
91 /** Add a KDM to this CPL. If the KDM is for any of this CPLs assets it will be used
92 * to decrypt those assets.
95 void add (DecryptedKDM const &);
97 /** @return the reels in this CPL */
98 std::vector<std::shared_ptr<Reel>> reels () const {
102 /** @return the ReelFileAssets in this CPL in all reels */
103 std::vector<std::shared_ptr<const ReelFileAsset>> reel_file_assets () const;
104 std::vector<std::shared_ptr<ReelFileAsset>> reel_file_assets ();
106 /** @return true if we have any encrypted content */
107 bool any_encrypted () const;
109 /** @return true if we have all our encryptable content is encrypted */
110 bool all_encrypted () const;
112 /** Write an CompositonPlaylist XML file
114 * @param file Filename to write
115 * @param signer Signer to sign the CPL, or 0 to add no signature
118 boost::filesystem::path file,
119 std::shared_ptr<const CertificateChain>
122 void resolve_refs (std::vector<std::shared_ptr<Asset>>);
124 int64_t duration () const;
126 void set_issuer (std::string issuer) {
130 void set_creator (std::string creator) {
134 void set_issue_date (std::string issue_date) {
135 _issue_date = issue_date;
138 /** @return contents of the <AnnotationText> node, if present */
139 boost::optional<std::string> annotation_text () const {
140 return _annotation_text;
143 void set_annotation_text (std::string at) {
144 _annotation_text = at;
147 /** @return contents of the <ContentTitleText> node */
148 std::string content_title_text () const {
149 return _content_title_text;
152 void set_content_title_text (std::string ct) {
153 _content_title_text = ct;
156 void set_content_kind (dcp::ContentKind k) {
160 /** @return the type of the content, used by media servers
161 * to categorise things (e.g. feature, trailer, etc.)
163 ContentKind content_kind () const {
164 return _content_kind;
167 boost::optional<ContentVersion> content_version () const;
169 std::vector<ContentVersion> content_versions () const {
170 return _content_versions;
173 void set_content_version (ContentVersion v) {
174 _content_versions.clear ();
175 _content_versions.push_back (v);
178 void set_content_versions (std::vector<ContentVersion> v);
180 std::vector<Rating> ratings () const {
184 void set_ratings (std::vector<Rating> r) {
188 boost::optional<std::string> full_content_title_text () const {
189 return _full_content_title_text;
192 void set_full_content_title_text (std::string t) {
193 _full_content_title_text = t;
196 boost::optional<std::string> full_content_title_text_language () const {
197 return _full_content_title_text_language;
200 void set_full_content_title_text_language (dcp::LanguageTag l) {
201 _full_content_title_text_language = l.to_string();
204 boost::optional<std::string> release_territory () const {
205 return _release_territory;
208 void set_release_territory (dcp::LanguageTag::RegionSubtag t) {
209 _release_territory = t.subtag();
212 boost::optional<std::string> release_territory_scope () const {
213 return _release_territory_scope;
216 boost::optional<int> version_number () const {
217 return _version_number;
220 void set_version_number (int v);
222 void unset_version_number ();
224 boost::optional<Status> status () const {
228 void set_status (Status s) {
232 boost::optional<std::string> chain () const {
236 void set_chain (std::string c) {
240 boost::optional<std::string> distributor () const {
244 void set_distributor (std::string d) {
248 boost::optional<std::string> facility () const {
252 void set_facility (std::string f) {
256 boost::optional<Luminance> luminance () const {
260 void set_luminance (Luminance l) {
264 boost::optional<std::string> main_sound_configuration () const {
265 return _main_sound_configuration;
268 void set_main_sound_configuration (std::string c) {
269 _main_sound_configuration = c;
272 boost::optional<int> main_sound_sample_rate () const {
273 return _main_sound_sample_rate;
276 void set_main_sound_sample_rate (int r) {
277 _main_sound_sample_rate = r;
280 boost::optional<dcp::Size> main_picture_stored_area () const {
281 return _main_picture_stored_area;
284 void set_main_picture_stored_area (dcp::Size s) {
285 _main_picture_stored_area = s;
288 boost::optional<dcp::Size> main_picture_active_area () const {
289 return _main_picture_active_area;
292 void set_main_picture_active_area (dcp::Size s) {
293 _main_picture_active_area = s;
296 std::vector<std::string> additional_subtitle_languages () const {
297 return _additional_subtitle_languages;
300 void set_additional_subtitle_languages (std::vector<dcp::LanguageTag> const& lang);
302 Standard standard () const {
306 static std::string static_pkl_type (Standard standard);
309 /** @return type string for PKLs for this asset */
310 std::string pkl_type (Standard standard) const;
313 friend struct ::verify_invalid_language3;
315 void maybe_write_composition_metadata_asset (xmlpp::Element* node) const;
316 void read_composition_metadata_asset (cxml::ConstNodePtr node);
319 std::string _creator;
320 std::string _issue_date;
321 boost::optional<std::string> _annotation_text;
322 std::string _content_title_text; ///< <ContentTitleText>
323 ContentKind _content_kind; ///< <ContentKind>
324 std::vector<ContentVersion> _content_versions;
325 std::vector<Rating> _ratings;
326 /** Human-readable name of the composition, without any metadata (i.e. no -FTR-EN-XX- etc.) */
327 boost::optional<std::string> _full_content_title_text;
328 boost::optional<std::string> _full_content_title_text_language;
329 /** This is stored and returned as a string so that we can tolerate non-RFC-5646 strings,
330 * but must be set as a dcp::LanguageTag to try to ensure that we create compliant output.
332 boost::optional<std::string> _release_territory;
333 boost::optional<std::string> _release_territory_scope;
334 boost::optional<int> _version_number;
335 boost::optional<Status> _status;
336 boost::optional<std::string> _chain;
337 boost::optional<std::string> _distributor;
338 boost::optional<std::string> _facility;
339 boost::optional<Luminance> _luminance;
340 boost::optional<std::string> _main_sound_configuration;
341 boost::optional<int> _main_sound_sample_rate;
342 boost::optional<dcp::Size> _main_picture_stored_area;
343 boost::optional<dcp::Size> _main_picture_active_area;
344 /* See note for _release_territory above */
345 std::vector<std::string> _additional_subtitle_languages;
347 std::vector<std::shared_ptr<Reel>> _reels;
349 /** Standard of CPL that was read in */