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"
50 #include <boost/filesystem.hpp>
51 #include <boost/function.hpp>
52 #include <boost/optional.hpp>
57 struct verify_invalid_language3;
66 class CertificateChain;
71 * @brief A Composition Playlist
73 class CPL : public Asset
76 CPL (std::string annotation_text, ContentKind content_kind, Standard standard);
78 /** Construct a CPL object from a XML file */
79 explicit CPL (boost::filesystem::path file);
82 std::shared_ptr<const Asset> other,
83 EqualityOptions options,
87 /** Add a reel to this CPL
88 * @param reel Reel to add
90 void add (std::shared_ptr<Reel> reel);
92 /** Add a KDM to this CPL. If the KDM is for any of this CPLs assets it will be used
93 * to decrypt those assets.
96 void add (DecryptedKDM const &);
98 /** @return the reels in this CPL */
99 std::vector<std::shared_ptr<Reel>> reels () const {
103 /** @return the ReelFileAssets in this CPL in all reels */
104 std::vector<std::shared_ptr<const ReelFileAsset>> reel_file_assets () const;
105 std::vector<std::shared_ptr<ReelFileAsset>> reel_file_assets ();
107 /** @return true if we have any encrypted content */
108 bool any_encrypted () const;
110 /** @return true if we have all our encryptable content is encrypted */
111 bool all_encrypted () const;
113 /** Write an CompositonPlaylist XML file
115 * @param file Filename to write
116 * @param signer Signer to sign the CPL, or 0 to add no signature
119 boost::filesystem::path file,
120 std::shared_ptr<const CertificateChain>
123 void resolve_refs (std::vector<std::shared_ptr<Asset>>);
125 int64_t duration () const;
127 std::string issuer () const {
131 void set_issuer (std::string issuer) {
135 std::string creator () const {
139 void set_creator (std::string creator) {
143 void set_issue_date (std::string issue_date) {
144 _issue_date = issue_date;
147 /** @return contents of the <AnnotationText> node, if present */
148 boost::optional<std::string> annotation_text () const {
149 return _annotation_text;
152 void set_annotation_text (std::string at) {
153 _annotation_text = at;
156 /** @return contents of the <ContentTitleText> node */
157 std::string content_title_text () const {
158 return _content_title_text;
161 void set_content_title_text (std::string ct) {
162 _content_title_text = ct;
165 void set_content_kind (dcp::ContentKind k) {
169 /** @return the type of the content, used by media servers
170 * to categorise things (e.g. feature, trailer, etc.)
172 ContentKind content_kind () const {
173 return _content_kind;
176 boost::optional<ContentVersion> content_version () const;
178 std::vector<ContentVersion> content_versions () const {
179 return _content_versions;
182 void set_content_version (ContentVersion v) {
183 _content_versions.clear ();
184 _content_versions.push_back (v);
187 void set_content_versions (std::vector<ContentVersion> v);
189 std::vector<Rating> ratings () const {
193 void set_ratings (std::vector<Rating> r) {
197 boost::optional<std::string> full_content_title_text () const {
198 return _full_content_title_text;
201 void set_full_content_title_text (std::string t) {
202 _full_content_title_text = t;
205 boost::optional<std::string> full_content_title_text_language () const {
206 return _full_content_title_text_language;
209 void set_full_content_title_text_language (dcp::LanguageTag l) {
210 _full_content_title_text_language = l.to_string();
213 boost::optional<std::string> release_territory () const {
214 return _release_territory;
217 void set_release_territory (dcp::LanguageTag::RegionSubtag t) {
218 _release_territory = t.subtag();
221 boost::optional<std::string> release_territory_scope () const {
222 return _release_territory_scope;
225 boost::optional<int> version_number () const {
226 return _version_number;
229 void set_version_number (int v);
231 void unset_version_number ();
233 boost::optional<Status> status () const {
237 void set_status (Status s) {
241 boost::optional<std::string> chain () const {
245 void set_chain (std::string c) {
249 boost::optional<std::string> distributor () const {
253 void set_distributor (std::string d) {
257 boost::optional<std::string> facility () const {
261 void set_facility (std::string f) {
265 boost::optional<Luminance> luminance () const {
269 void set_luminance (Luminance l) {
273 boost::optional<std::string> main_sound_configuration () const {
274 return _main_sound_configuration;
277 void set_main_sound_configuration (std::string c) {
278 _main_sound_configuration = c;
281 boost::optional<int> main_sound_sample_rate () const {
282 return _main_sound_sample_rate;
285 void set_main_sound_sample_rate (int r) {
286 _main_sound_sample_rate = r;
289 boost::optional<dcp::Size> main_picture_stored_area () const {
290 return _main_picture_stored_area;
293 void set_main_picture_stored_area (dcp::Size s) {
294 _main_picture_stored_area = s;
297 boost::optional<dcp::Size> main_picture_active_area () const {
298 return _main_picture_active_area;
301 void set_main_picture_active_area (dcp::Size s) {
302 _main_picture_active_area = s;
305 std::vector<std::string> additional_subtitle_languages () const {
306 return _additional_subtitle_languages;
309 void set_additional_subtitle_languages (std::vector<dcp::LanguageTag> const& lang);
311 void set_sign_language_video_language (dcp::LanguageTag lang) {
312 _sign_language_video_language = lang.to_string();
315 boost::optional<std::string> sign_language_video_language () const {
316 return _sign_language_video_language;
319 Standard standard () const {
323 static std::string static_pkl_type (Standard standard);
326 /** @return type string for PKLs for this asset */
327 std::string pkl_type (Standard standard) const override;
330 friend struct ::verify_invalid_language3;
332 void maybe_write_composition_metadata_asset (xmlpp::Element* node) const;
333 void read_composition_metadata_asset (cxml::ConstNodePtr node);
336 std::string _creator;
337 std::string _issue_date;
338 boost::optional<std::string> _annotation_text;
339 std::string _content_title_text; ///< <ContentTitleText>
340 ContentKind _content_kind; ///< <ContentKind>
341 std::vector<ContentVersion> _content_versions;
342 std::vector<Rating> _ratings;
343 /** ID for CompositionMetadataAsset tag; either a random one, ready for writing a new tag,
344 * or the one read in from the existing CPL.
346 std::string _cpl_metadata_id = make_uuid();
347 /** Human-readable name of the composition, without any metadata (i.e. no -FTR-EN-XX- etc.) */
348 boost::optional<std::string> _full_content_title_text;
349 boost::optional<std::string> _full_content_title_text_language;
350 /** This is stored and returned as a string so that we can tolerate non-RFC-5646 strings,
351 * but must be set as a dcp::LanguageTag to try to ensure that we create compliant output.
353 boost::optional<std::string> _release_territory;
354 boost::optional<std::string> _release_territory_scope;
355 boost::optional<int> _version_number;
356 boost::optional<Status> _status;
357 boost::optional<std::string> _chain;
358 boost::optional<std::string> _distributor;
359 boost::optional<std::string> _facility;
360 boost::optional<Luminance> _luminance;
361 boost::optional<std::string> _main_sound_configuration;
362 boost::optional<int> _main_sound_sample_rate;
363 boost::optional<dcp::Size> _main_picture_stored_area;
364 boost::optional<dcp::Size> _main_picture_active_area;
365 /* See note for _release_territory above */
366 std::vector<std::string> _additional_subtitle_languages;
367 boost::optional<std::string> _sign_language_video_language;
369 std::vector<std::shared_ptr<Reel>> _reels;
371 /** Standard of CPL that was read in */