Split ReelClosedCaptionAsset into Interop and SMPTE parts.

1 files changed, 93 insertions, 0 deletions

diff --git a/src/reel_smpte_closed_caption_asset.cc b/src/reel_smpte_closed_caption_asset.cc
new file mode 100644
index 00000000..44125037
--- /dev/null
+++ b/src/reel_smpte_closed_caption_asset.cc
@@ -0,0 +1,93 @@
+/*
+    Copyright (C) 2021 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libdcp is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    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_smpte_closed_caption_asset.cc
+ *  @brief ReelSMPTEClosedCaptionAsset class
+ */
+
+
+#include "reel_smpte_closed_caption_asset.h"
+#include <libxml++/libxml++.h>
+
+
+using std::make_pair;
+using std::pair;
+using std::shared_ptr;
+using std::string;
+using namespace dcp;
+
+
+ReelSMPTEClosedCaptionAsset::ReelSMPTEClosedCaptionAsset (shared_ptr<SMPTESubtitleAsset> asset, Fraction edit_rate, int64_t intrinsic_duration, int64_t entry_point)
+	: ReelClosedCaptionAsset (asset, edit_rate, intrinsic_duration, entry_point)
+	, ReelEncryptableAsset (asset->key_id())
+{
+
+}
+
+
+ReelSMPTEClosedCaptionAsset::ReelSMPTEClosedCaptionAsset (shared_ptr<const cxml::Node> node)
+	: ReelClosedCaptionAsset (node)
+	, ReelEncryptableAsset (node)
+{
+	node->done ();
+}
+
+
+xmlpp::Node *
+ReelSMPTEClosedCaptionAsset::write_to_cpl (xmlpp::Node* node, Standard standard) const
+{
+	auto asset = write_to_cpl_asset (node, standard, hash());
+	write_to_cpl_encryptable (asset);
+
+	if (_language) {
+		asset->add_child("Language", "tt")->add_child_text(*_language);
+	}
+
+	return asset;
+}
+
+
+string
+ReelSMPTEClosedCaptionAsset::cpl_node_name (Standard) const
+{
+	return "tt:ClosedCaption";
+}
+
+
+pair<string, string>
+ReelSMPTEClosedCaptionAsset::cpl_node_namespace () const
+{
+	return make_pair("http://www.smpte-ra.org/schemas/429-12/2008/TT", "tt");
+}
+