rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 131 insertions, 0 deletions

diff --git a/libs/ardour/ardour/plugin_insert.h b/libs/ardour/ardour/plugin_insert.h
new file mode 100644
index 0000000000..42c53c487c
--- /dev/null
+++ b/libs/ardour/ardour/plugin_insert.h
@@ -0,0 +1,131 @@
+/*
+    Copyright (C) 2000,2007 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_plugin_insert_h__
+#define __ardour_plugin_insert_h__
+
+#include <vector>
+#include <string>
+
+#include <sigc++/signal.h>
+#include <ardour/ardour.h>
+#include <ardour/types.h>
+#include <ardour/processor.h>
+#include <ardour/automation_event.h>
+
+class XMLNode;
+
+namespace ARDOUR {
+
+class Session;
+class Route;
+class Plugin;
+
+/** Plugin inserts: send data through a plugin
+ */
+class PluginInsert : public Processor
+{
+  public:
+	PluginInsert (Session&, boost::shared_ptr<Plugin>, Placement);
+	PluginInsert (Session&, const XMLNode&);
+	PluginInsert (const PluginInsert&);
+	~PluginInsert ();
+
+	static const string port_automation_node_name;
+	
+	XMLNode& state(bool);
+	XMLNode& get_state(void);
+	int set_state(const XMLNode&);
+
+	void run_in_place (BufferSet& in, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset);
+	void silence (nframes_t nframes, nframes_t offset);
+	
+	void activate ();
+	void deactivate ();
+
+	void set_block_size (nframes_t nframes);
+
+	ChanCount output_streams() const;
+	ChanCount input_streams() const;
+	ChanCount natural_output_streams() const;
+	ChanCount natural_input_streams() const;
+
+	bool     set_count (uint32_t num);
+	uint32_t get_count () const { return _plugins.size(); }
+
+	virtual bool      can_support_input_configuration (ChanCount in) const;
+	virtual ChanCount output_for_input_configuration (ChanCount in) const;
+	virtual bool      configure_io (ChanCount in, ChanCount out);
+
+	bool is_generator() const;
+
+	void set_parameter (Parameter param, float val);
+	float get_parameter (Parameter param);
+
+	float default_parameter_value (Parameter param);
+	
+	struct PluginControl : public AutomationControl 
+	{
+	    PluginControl (PluginInsert& p, boost::shared_ptr<AutomationList> list);
+	    
+		void set_value (float val);
+	    float get_value (void) const;
+	
+	  private:
+		PluginInsert& _plugin;
+		boost::shared_ptr<AutomationList> _list;
+		bool _logarithmic;
+		bool _toggled;
+	};
+
+	boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
+		if (num < _plugins.size()) { 
+			return _plugins[num];
+		} else {
+			return _plugins[0]; // we always have one
+		}
+	}
+
+	PluginType type ();
+
+	string describe_parameter (Parameter param);
+
+	nframes_t signal_latency() const;
+
+  private:
+
+	void parameter_changed (Parameter, float);
+	
+	std::vector<boost::shared_ptr<Plugin> > _plugins;
+	
+	void automation_run (BufferSet& bufs, nframes_t nframes, nframes_t offset);
+	void connect_and_run (BufferSet& bufs, nframes_t nframes, nframes_t offset, bool with_auto, nframes_t now = 0);
+
+	void init ();
+	void set_automatable ();
+	void auto_state_changed (Parameter which);
+
+	int32_t count_for_configuration (ChanCount in, ChanCount out) const;
+
+	boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
+};
+
+} // namespace ARDOUR
+
+#endif /* __ardour_plugin_insert_h__ */