Add fastvideo J2K encoding backend.

1 files changed, 43 insertions, 0 deletions

diff --git a/src/lib/barrier.h b/src/lib/barrier.h
new file mode 100644
index 000000000..3d05c7d5a
--- /dev/null
+++ b/src/lib/barrier.h
@@ -0,0 +1,43 @@
+/*
+    Copyright (C) 2021 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/>.
+
+*/
+
+
+#include <boost/thread/condition.hpp>
+#include <boost/thread/mutex.hpp>
+
+
+class Barrier
+{
+public:
+	Barrier (int count);
+	Barrier (Barrier const&) = delete;
+	Barrier& operator= (Barrier const&) = delete;
+
+	void wait ();
+	void lower ();
+
+private:
+	boost::mutex _mutex;
+	boost::condition _condition;
+	int _count;
+	int _waiting = 0;
+};
+
+