Rename ReelFileAsset -> ReelEncryptableAsset

[libdcp.git] / src / reel_subtitle_asset.cc

diff --git a/src/reel_subtitle_asset.cc b/src/reel_subtitle_asset.cc
index 1072dda10e8a63444e6532a59c1092d39092ee0a..7636782f94b9b6fbf8d5a29dacb67cc9f5d067cb 100644 (file)
--- a/src/reel_subtitle_asset.cc
+++ b/src/reel_subtitle_asset.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of libdcp.
 
@@ -15,34 +15,102 @@
 
     You should have received a copy of the GNU General Public License
     along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
+
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
 */
 
+
 /** @file  src/reel_subtitle_asset.cc
- *  @brief ReelSubtitleAsset class.
+ *  @brief ReelSubtitleAsset class
  */
 
+
+#include "language_tag.h"
 #include "subtitle_asset.h"
 #include "reel_subtitle_asset.h"
+#include "smpte_subtitle_asset.h"
+#include <libxml++/libxml++.h>
+
 
 using std::string;
-using boost::shared_ptr;
+using std::shared_ptr;
+using std::dynamic_pointer_cast;
+using boost::optional;
 using namespace dcp;
 
-ReelSubtitleAsset::ReelSubtitleAsset (boost::shared_ptr<SubtitleAsset> asset, Fraction edit_rate, int64_t intrinsic_duration, int64_t entry_point)
-       : ReelAsset (asset, edit_rate, intrinsic_duration, entry_point)
+
+ReelSubtitleAsset::ReelSubtitleAsset (std::shared_ptr<SubtitleAsset> asset, Fraction edit_rate, int64_t intrinsic_duration, int64_t entry_point)
+       : ReelAsset (asset->id(), edit_rate, intrinsic_duration, entry_point)
+       , ReelEncryptableAsset (asset, dynamic_pointer_cast<SMPTESubtitleAsset>(asset) ? dynamic_pointer_cast<SMPTESubtitleAsset>(asset)->key_id() : optional<string>())
 {
 
 }
 
-ReelSubtitleAsset::ReelSubtitleAsset (boost::shared_ptr<const cxml::Node> node)
+
+ReelSubtitleAsset::ReelSubtitleAsset (std::shared_ptr<const cxml::Node> node)
        : ReelAsset (node)
+       , ReelEncryptableAsset (node)
 {
-       node->ignore_child ("Language");
+       _language = node->optional_string_child("Language");
        node->done ();
 }
 
+
 string
-ReelSubtitleAsset::cpl_node_name () const
+ReelSubtitleAsset::cpl_node_name (Standard) const
 {
        return "MainSubtitle";
 }
+
+
+string
+ReelSubtitleAsset::key_type () const
+{
+       return "MDSK";
+}
+
+
+xmlpp::Node *
+ReelSubtitleAsset::write_to_cpl (xmlpp::Node* node, Standard standard) const
+{
+       auto asset = write_to_cpl_asset (node, standard, hash());
+       write_to_cpl_mxf (asset);
+       if (_language) {
+               asset->add_child("Language")->add_child_text(*_language);
+       }
+       return asset;
+}
+
+
+bool
+ReelSubtitleAsset::equals (shared_ptr<const ReelSubtitleAsset> other, EqualityOptions opt, NoteHandler note) const
+{
+       if (!asset_equals (other, opt, note)) {
+               return false;
+       }
+       if (!mxf_equals (other, opt, note)) {
+               return false;
+       }
+
+       return true;
+}
+
+
+void
+ReelSubtitleAsset::set_language (dcp::LanguageTag language)
+{
+       _language = language.to_string();
+}
+