some new headers

git-svn-id: svn://localhost/ardour2/branches/3.0@8522 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 83 insertions, 0 deletions

diff --git a/libs/ardour/ardour/panner_shell.h b/libs/ardour/ardour/panner_shell.h
new file mode 100644
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+++ b/libs/ardour/ardour/panner_shell.h
@@ -0,0 +1,83 @@
+/*
+    Copyright (C) 2004-2011 Paul Davis
+
+    This program 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.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_panner_shell_h__
+#define __ardour_panner_shell_h__
+
+#include <cmath>
+#include <cassert>
+#include <vector>
+#include <string>
+#include <iostream>
+
+#include <boost/noncopyable.hpp>
+
+#include "pbd/cartesian.h"
+
+#include "ardour/types.h"
+#include "ardour/session_object.h"
+
+namespace ARDOUR {
+
+class Session;
+class Panner;
+class BufferSet;
+class AudioBuffer;
+class Speakers;
+class Pannable;
+
+/** Class to manage panning by instantiating and controlling
+ *  the appropriate specific PannerBase objects for a given
+ *  in/out configuration.
+ */
+class PannerShell : public SessionObject
+{
+public:
+	PannerShell (std::string name, Session&, boost::shared_ptr<Pannable>);
+	virtual ~PannerShell ();
+
+	std::string describe_parameter (Evoral::Parameter param);
+
+	bool can_support_io_configuration (const ChanCount& /*in*/, ChanCount& /*out*/) const { return true; };
+	void configure_io (ChanCount in, ChanCount out);
+
+	/// The fundamental Panner function
+	void run (BufferSet& src, BufferSet& dest, framepos_t start_frame, framepos_t end_frames, pframes_t nframes);
+
+
+	XMLNode& get_state (void);
+	XMLNode& state (bool full);
+	int      set_state (const XMLNode&, int version);
+
+	PBD::Signal0<void> Changed; /* panner and/or outputs count changed */
+
+        boost::shared_ptr<Panner> panner() const { return _panner; }
+        boost::shared_ptr<Pannable> pannable() const { return _pannable; }
+
+  private:
+	void distribute_no_automation (BufferSet& src, BufferSet& dest, pframes_t nframes, gain_t gain_coeff);
+        boost::shared_ptr<Panner> _panner;
+        boost::shared_ptr<Pannable> _pannable;
+     
+	static float current_automation_version_number;
+};
+
+} // namespace ARDOUR
+
+#endif /* __ardour_panner_shell_h__ */