Use full/empty conditions rather than just a single condition for the server and encoder.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index a8ee220aa..8d5aa2c40 100644
--- a/src/lib/encoder.h
+++ b/src/lib/encoder.h
@@ -111,7 +111,10 @@ private:
 	std::list<boost::shared_ptr<DCPVideoFrame> > _queue;
 	std::list<boost::thread *> _threads;
 	mutable boost::mutex _mutex;
-	boost::condition _condition;
+	/** condition to manage thread wakeups when we have nothing to do */
+	boost::condition _empty_condition;
+	/** condition to manage thread wakeups when we have too much to do */
+	boost::condition _full_condition;
 
 	boost::shared_ptr<Writer> _writer;
 	Waker _waker;