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;
62 class ReelEncryptableAsset;
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 the ReelEncryptableAssets in this CPL in all reels */
108 std::vector<std::shared_ptr<const ReelEncryptableAsset>> reel_encryptable_assets () const;
109 std::vector<std::shared_ptr<ReelEncryptableAsset>> reel_encryptable_assets ();
111 /** @return true if we have any encrypted content */
112 bool any_encrypted () const;
114 /** @return true if we have all our encryptable content is encrypted */
115 bool all_encrypted () const;
117 /** Write an CompositonPlaylist XML file
119 * @param file Filename to write
120 * @param signer Signer to sign the CPL, or 0 to add no signature
123 boost::filesystem::path file,
124 std::shared_ptr<const CertificateChain>
127 void resolve_refs (std::vector<std::shared_ptr<Asset>>);
129 int64_t duration () const;
131 void set_issuer (std::string issuer) {
135 void set_creator (std::string creator) {
139 void set_issue_date (std::string issue_date) {
140 _issue_date = issue_date;
143 /** @return contents of the <AnnotationText> node, if present */
144 boost::optional<std::string> annotation_text () const {
145 return _annotation_text;
148 void set_annotation_text (std::string at) {
149 _annotation_text = at;
152 /** @return contents of the <ContentTitleText> node */
153 std::string content_title_text () const {
154 return _content_title_text;
157 void set_content_title_text (std::string ct) {
158 _content_title_text = ct;
161 void set_content_kind (dcp::ContentKind k) {
165 /** @return the type of the content, used by media servers
166 * to categorise things (e.g. feature, trailer, etc.)
168 ContentKind content_kind () const {
169 return _content_kind;
172 boost::optional<ContentVersion> content_version () const;
174 std::vector<ContentVersion> content_versions () const {
175 return _content_versions;
178 void set_content_version (ContentVersion v) {
179 _content_versions.clear ();
180 _content_versions.push_back (v);
183 void set_content_versions (std::vector<ContentVersion> v);
185 std::vector<Rating> ratings () const {
189 void set_ratings (std::vector<Rating> r) {
193 boost::optional<std::string> full_content_title_text () const {
194 return _full_content_title_text;
197 void set_full_content_title_text (std::string t) {
198 _full_content_title_text = t;
201 boost::optional<std::string> full_content_title_text_language () const {
202 return _full_content_title_text_language;
205 void set_full_content_title_text_language (dcp::LanguageTag l) {
206 _full_content_title_text_language = l.to_string();
209 boost::optional<std::string> release_territory () const {
210 return _release_territory;
213 void set_release_territory (dcp::LanguageTag::RegionSubtag t) {
214 _release_territory = t.subtag();
217 boost::optional<std::string> release_territory_scope () const {
218 return _release_territory_scope;
221 boost::optional<int> version_number () const {
222 return _version_number;
225 void set_version_number (int v);
227 void unset_version_number ();
229 boost::optional<Status> status () const {
233 void set_status (Status s) {
237 boost::optional<std::string> chain () const {
241 void set_chain (std::string c) {
245 boost::optional<std::string> distributor () const {
249 void set_distributor (std::string d) {
253 boost::optional<std::string> facility () const {
257 void set_facility (std::string f) {
261 boost::optional<Luminance> luminance () const {
265 void set_luminance (Luminance l) {
269 boost::optional<std::string> main_sound_configuration () const {
270 return _main_sound_configuration;
273 void set_main_sound_configuration (std::string c) {
274 _main_sound_configuration = c;
277 boost::optional<int> main_sound_sample_rate () const {
278 return _main_sound_sample_rate;
281 void set_main_sound_sample_rate (int r) {
282 _main_sound_sample_rate = r;
285 boost::optional<dcp::Size> main_picture_stored_area () const {
286 return _main_picture_stored_area;
289 void set_main_picture_stored_area (dcp::Size s) {
290 _main_picture_stored_area = s;
293 boost::optional<dcp::Size> main_picture_active_area () const {
294 return _main_picture_active_area;
297 void set_main_picture_active_area (dcp::Size s) {
298 _main_picture_active_area = s;
301 std::vector<std::string> additional_subtitle_languages () const {
302 return _additional_subtitle_languages;
305 void set_additional_subtitle_languages (std::vector<dcp::LanguageTag> const& lang);
307 Standard standard () const {
311 static std::string static_pkl_type (Standard standard);
314 /** @return type string for PKLs for this asset */
315 std::string pkl_type (Standard standard) const;
318 friend struct ::verify_invalid_language3;
320 void maybe_write_composition_metadata_asset (xmlpp::Element* node) const;
321 void read_composition_metadata_asset (cxml::ConstNodePtr node);
324 std::string _creator;
325 std::string _issue_date;
326 boost::optional<std::string> _annotation_text;
327 std::string _content_title_text; ///< <ContentTitleText>
328 ContentKind _content_kind; ///< <ContentKind>
329 std::vector<ContentVersion> _content_versions;
330 std::vector<Rating> _ratings;
331 /** Human-readable name of the composition, without any metadata (i.e. no -FTR-EN-XX- etc.) */
332 boost::optional<std::string> _full_content_title_text;
333 boost::optional<std::string> _full_content_title_text_language;
334 /** This is stored and returned as a string so that we can tolerate non-RFC-5646 strings,
335 * but must be set as a dcp::LanguageTag to try to ensure that we create compliant output.
337 boost::optional<std::string> _release_territory;
338 boost::optional<std::string> _release_territory_scope;
339 boost::optional<int> _version_number;
340 boost::optional<Status> _status;
341 boost::optional<std::string> _chain;
342 boost::optional<std::string> _distributor;
343 boost::optional<std::string> _facility;
344 boost::optional<Luminance> _luminance;
345 boost::optional<std::string> _main_sound_configuration;
346 boost::optional<int> _main_sound_sample_rate;
347 boost::optional<dcp::Size> _main_picture_stored_area;
348 boost::optional<dcp::Size> _main_picture_active_area;
349 /* See note for _release_territory above */
350 std::vector<std::string> _additional_subtitle_languages;
352 std::vector<std::shared_ptr<Reel>> _reels;
354 /** Standard of CPL that was read in */