From 93850c202de8b073a1ce1dd8bd246d407bce4e2f Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Tue, 30 Sep 2008 16:50:21 +0000
Subject: Flatten ingen source directory heirarchy a bit.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1551 a436a847-0d15-0410-975c-d299462d15a1
---
 src/engine/PostProcessor.hpp | 73 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 src/engine/PostProcessor.hpp

(limited to 'src/engine/PostProcessor.hpp')

diff --git a/src/engine/PostProcessor.hpp b/src/engine/PostProcessor.hpp
new file mode 100644
index 00000000..3d51136d
--- /dev/null
+++ b/src/engine/PostProcessor.hpp
@@ -0,0 +1,73 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen 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.
+ * 
+ * Ingen 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef POSTPROCESSOR_H
+#define POSTPROCESSOR_H
+
+#include <pthread.h>
+#include "types.hpp"
+#include <raul/SRSWQueue.hpp>
+//#include <raul/Slave.hpp>
+
+//namespace Raul { class Maid; }
+
+namespace Ingen {
+
+class Event;
+class Engine;
+
+
+/** Processor for Events after leaving the audio thread.
+ *
+ * The audio thread pushes events to this when it is done with them (which
+ * is realtime-safe), which signals the processing thread through a semaphore
+ * to handle the event and pass it on to the Maid.
+ *
+ * Update: This is all run from main_iteration now to solve scripting
+ * thread issues.  Not sure if this is permanent/ideal or not...
+ *
+ * \ingroup engine
+ */
+class PostProcessor //: public Raul::Slave
+{
+public:
+	PostProcessor(Engine& engine, /*Raul::Maid& maid, */size_t queue_size);
+
+	/** Push an event on to the process queue, realtime-safe, not thread-safe. */
+	inline void push(Event* const ev) { _events.push(ev); }
+
+    /** Post-process and delete all pending events */
+    void process();
+
+	/** Set the latest event time that should be post-processed */
+	void set_end_time(FrameTime time) { _max_time = time; }
+
+private:
+	Engine&                 _engine;
+	Raul::AtomicInt         _max_time;
+	//Raul::Maid&             _maid;
+	Raul::SRSWQueue<Event*> _events;
+	uint32_t                _event_buffer_size;
+	uint8_t*                _event_buffer;
+
+	//virtual void            _whipped();
+};
+
+
+} // namespace Ingen
+
+#endif // POSTPROCESSOR_H
-- 
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