From acbda29f838280ba98cf9e9e539e9d8a6e8fc6ad Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 9 Jun 2006 15:07:31 +0000
Subject: Added Om aka Graph aka god knows what

git-svn-id: http://svn.drobilla.net/lad/grauph@9 a436a847-0d15-0410-975c-d299462d15a1
---
 src/engine/EventSource.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/engine/EventSource.h

(limited to 'src/engine/EventSource.h')

diff --git a/src/engine/EventSource.h b/src/engine/EventSource.h
new file mode 100644
index 00000000..b038f427
--- /dev/null
+++ b/src/engine/EventSource.h
@@ -0,0 +1,52 @@
+/* This file is part of Om.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * Om 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.
+ * 
+ * Om 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 details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef EVENTSOURCE_H
+#define EVENTSOURCE_H
+
+namespace Om {
+
+class Event;
+class QueuedEvent;
+
+
+/** Source for events to run in the audio thread.
+ *
+ * The AudioDriver gets events from an EventSource in the process callback
+ * (realtime audio thread) and executes them, then they are sent to the
+ * PostProcessor and finalised (post-processing thread).
+ */
+class EventSource
+{
+public:
+
+	virtual ~EventSource() {}
+
+	virtual Event* pop_earliest_event_before(const samplecount time) = 0;
+
+	virtual void start() = 0;
+	
+	virtual void stop() = 0;
+
+protected:
+	EventSource() {}
+};
+
+
+} // namespace Om
+
+#endif // EVENTSOURCE_H
+
-- 
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