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, 255 insertions, 0 deletions

diff --git a/libs/ardour/processor.cc b/libs/ardour/processor.cc
new file mode 100644
index 0000000000..cbbbb374fb
--- /dev/null
+++ b/libs/ardour/processor.cc
@@ -0,0 +1,255 @@
+/*
+    Copyright (C) 2000 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.
+
+*/
+
+#include <string>
+
+#include <sigc++/bind.h>
+
+#include <pbd/failed_constructor.h>
+#include <pbd/enumwriter.h>
+#include <pbd/xml++.h>
+
+#include <ardour/processor.h>
+#include <ardour/plugin.h>
+#include <ardour/port.h>
+#include <ardour/route.h>
+#include <ardour/ladspa_plugin.h>
+#include <ardour/buffer_set.h>
+#include <ardour/send.h>
+#include <ardour/port_insert.h>
+#include <ardour/plugin_insert.h>
+
+#ifdef VST_SUPPORT
+#include <ardour/vst_plugin.h>
+#endif
+
+#ifdef HAVE_AUDIOUNITS
+#include <ardour/audio_unit.h>
+#endif
+
+#include <ardour/audioengine.h>
+#include <ardour/session.h>
+#include <ardour/types.h>
+
+#include "i18n.h"
+
+using namespace std;
+using namespace ARDOUR;
+using namespace PBD;
+
+sigc::signal<void,Processor*> Processor::ProcessorCreated;
+
+// Always saved as Processor, but may be IOProcessor or Send in legacy sessions
+const string Processor::state_node_name = "Processor";
+
+Processor::Processor(Session& session, const string& name, Placement p)
+	: Automatable(session, name)
+	, _active(false)
+	, _next_ab_is_active(false)
+	, _configured(false)
+	, _placement(p)
+	, _gui(0)
+{
+}
+
+boost::shared_ptr<Processor>
+Processor::clone (boost::shared_ptr<const Processor> other)
+{
+	boost::shared_ptr<const Send> send;
+	boost::shared_ptr<const PortInsert> port_insert;
+	boost::shared_ptr<const PluginInsert> plugin_insert;
+
+	if ((send = boost::dynamic_pointer_cast<const Send>(other)) != 0) {
+		return boost::shared_ptr<Processor> (new Send (*send));
+	} else if ((port_insert = boost::dynamic_pointer_cast<const PortInsert>(other)) != 0) {
+		return boost::shared_ptr<Processor> (new PortInsert (*port_insert));
+	} else if ((plugin_insert = boost::dynamic_pointer_cast<const PluginInsert>(other)) != 0) {
+		return boost::shared_ptr<Processor> (new PluginInsert (*plugin_insert));
+	} else {
+		fatal << _("programming error: unknown Processor type in Processor::Clone!\n")
+		      << endmsg;
+		/*NOTREACHED*/
+	}
+	return boost::shared_ptr<Processor>();
+}
+
+void
+Processor::set_sort_key (uint32_t key)
+{
+	_sort_key = key;
+}
+	
+void
+Processor::set_placement (Placement p)
+{
+	if (_placement != p) {
+		_placement = p;
+		 PlacementChanged (); /* EMIT SIGNAL */
+	}
+}
+
+void
+Processor::set_active (bool yn)
+{
+	_active = yn; 
+	ActiveChanged (); 
+}
+
+XMLNode&
+Processor::get_state (void)
+{
+	return state (true);
+}
+
+/* NODE STRUCTURE 
+   
+    <Automation [optionally with visible="...." ]>
+       <parameter-N>
+         <AutomationList id=N>
+	   <events>
+	   X1 Y1
+	   X2 Y2
+	   ....
+	   </events>
+       </parameter-N>
+    <Automation>
+*/
+
+XMLNode&
+Processor::state (bool full_state)
+{
+	XMLNode* node = new XMLNode (state_node_name);
+	stringstream sstr;
+	
+	// FIXME: This conflicts with "id" used by plugin for name in legacy sessions (ugh).
+	// Do we need to serialize this?
+	/*
+	char buf[64];
+	id().print (buf, sizeof (buf));
+	node->add_property("id", buf);
+	*/
+
+	node->add_property("name", _name);
+	node->add_property("active", active() ? "yes" : "no");	
+	node->add_property("placement", enum_2_string (_placement));
+
+	if (_extra_xml){
+		node->add_child_copy (*_extra_xml);
+	}
+	
+	if (full_state) {
+
+		XMLNode& automation = Automatable::get_automation_state(); 
+		
+		for (set<Parameter>::iterator x = _visible_controls.begin(); x != _visible_controls.end(); ++x) {
+			if (x != _visible_controls.begin()) {
+				sstr << ' ';
+			}
+			sstr << *x;
+		}
+
+		automation.add_property ("visible", sstr.str());
+
+		node->add_child_nocopy (automation);
+	}
+
+	return *node;
+}
+
+int
+Processor::set_state (const XMLNode& node)
+{
+	const XMLProperty *prop;
+
+	// may not exist for legacy sessions
+	if ((prop = node.property ("name")) != 0) {
+		set_name(prop->value());
+	}
+
+	XMLNodeList nlist = node.children();
+	XMLNodeIterator niter;
+
+	for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+
+		if ((*niter)->name() == X_("Automation")) {
+
+
+			XMLProperty *prop;
+			
+			if ((prop = (*niter)->property ("path")) != 0) {
+				old_set_automation_state (*(*niter));
+			} else {
+				set_automation_state (*(*niter), Parameter(PluginAutomation));
+			}
+
+			if ((prop = (*niter)->property ("visible")) != 0) {
+				uint32_t what;
+				stringstream sstr;
+
+				_visible_controls.clear ();
+				
+				sstr << prop->value();
+				while (1) {
+					sstr >> what;
+					if (sstr.fail()) {
+						break;
+					}
+					// FIXME: other automation types?
+					mark_automation_visible (Parameter(PluginAutomation, what), true);
+				}
+			}
+
+		} else if ((*niter)->name() == "extra") {
+			_extra_xml = new XMLNode (*(*niter));
+		}
+	}
+
+	if ((prop = node.property ("active")) == 0) {
+		error << _("XML node describing a processor is missing the `active' field") << endmsg;
+		return -1;
+	}
+
+	if (_active != (prop->value() == "yes")) {
+		_active = !_active;
+		ActiveChanged (); /* EMIT_SIGNAL */
+	}
+	
+	if ((prop = node.property ("placement")) == 0) {
+		error << _("XML node describing a processor is missing the `placement' field") << endmsg;
+		return -1;
+	}
+
+	/* hack to handle older sessions before we only used EnumWriter */
+
+	string pstr;
+
+	if (prop->value() == "pre") {
+		pstr = "PreFader";
+	} else if (prop->value() == "post") {
+		pstr = "PostFader";
+	} else {
+		pstr = prop->value();
+	}
+
+	Placement p = Placement (string_2_enum (pstr, p));
+	set_placement (p);
+
+	return 0;
+}
+