swaroop: support validity periods in ecinema KDMs.

[dcpomatic.git] / src / lib / ecinema_kdm_data.h

diff --git a/src/lib/ecinema_kdm_data.h b/src/lib/ecinema_kdm_data.h
new file mode 100644 (file)
index 0000000..9ca3b24
--- /dev/null
+++ b/src/lib/ecinema_kdm_data.h
@@ -0,0 +1,32 @@
+/*
+    Copyright (C) 2019 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic 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.
+
+    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+/* ECinema KDM data block contains:
+   - key (16 bytes)
+   - (optional) not-valid-before time (25 bytes)
+   - (optional) not-valid-after time  (25 bytes)
+*/
+
+#define ECINEMA_KDM_KEY 0
+#define ECINEMA_KDM_KEY_LENGTH 16
+#define ECINEMA_KDM_NOT_VALID_BEFORE (ECINEMA_KDM_KEY_LENGTH)
+#define ECINEMA_KDM_NOT_VALID_BEFORE_LENGTH 25
+#define ECINEMA_KDM_NOT_VALID_AFTER (ECINEMA_KDM_NOT_VALID_BEFORE + ECINEMA_KDM_NOT_VALID_BEFORE_LENGTH)
+#define ECINEMA_KDM_NOT_VALID_AFTER_LENGTH 25