initial implementation of a VCA Manager object

libs/ardour/ardour/vca_manager.h

@@ -0,0 +1,61 @@
+/*
+  Copyright (C) 2016 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 __libardour_vca_manager_h__
+#define __libardour_vca_manager_h__
+
+#include <string>
+#include <list>
+
+#include <boost/shared_ptr.hpp>
+
+#include <glibmm/threads.h>
+
+#include "pbd/signals.h"
+
+#include "ardour/session_handle.h"
+
+namespace ARDOUR {
+
+class VCA;
+
+class VCAManager : public SessionHandleRef
+{
+     public:
+	VCAManager (ARDOUR::Session&);
+	~VCAManager ();
+
+	boost::shared_ptr<VCA> create_vca (std::string const & name = std::string());
+	void remove_vca (boost::shared_ptr<VCA>);
+
+	typedef std::list<boost::shared_ptr<VCA> > VCAS;
+	VCAS vcas() const;
+
+	PBD::Signal1<void,boost::shared_ptr<VCA> > VCAAdded;
+	PBD::Signal1<void,boost::shared_ptr<VCA> > VCARemoved;
+
+     private:
+	mutable Glib::Threads::Mutex lock;
+	VCAS _vcas;
+
+};
+
+} // namespace
+
+#endif /* __libardour_vca_manager_h__ */

libs/ardour/vca_manager.cc

@@ -0,0 +1,69 @@
+/*
+  Copyright (C) 2016 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 "ardour/vca.h"
+#include "ardour/vca_manager.h"
+
+using namespace ARDOUR;
+using namespace Glib::Threads;
+using std::string;
+
+
+VCAManager::VCAManager (Session& s)
+	: SessionHandleRef (s)
+{
+}
+
+VCAManager::~VCAManager ()
+{
+}
+
+VCAManager::VCAS
+VCAManager::vcas () const
+{
+	Mutex::Lock lm (lock);
+	return _vcas;
+}
+
+boost::shared_ptr<VCA>
+VCAManager::create_vca (std::string const & name)
+{
+	boost::shared_ptr<VCA> vca = boost::shared_ptr<VCA> (new VCA (_session, name));
+	{
+		Mutex::Lock lm (lock);
+		_vcas.push_back (vca);
+	}
+
+	VCAAdded (vca); /* EMIT SIGNAL */
+	return vca;
+
+}
+
+
+void
+VCAManager::remove_vca (boost::shared_ptr<VCA> vca)
+{
+	{
+		Mutex::Lock lm (lock);
+		_vcas.remove (vca);
+	}
+
+	VCARemoved (vca); /* EMIT SIGNAL */
+}
+

libs/ardour/wscript

@@ -232,6 +232,7 @@ libardour_sources = [
         'user_bundle.cc',
         'utils.cc',
         'vca.cc',
+        'vca_manager.cc',
         'vumeterdsp.cc',
         'worker.cc'
 ]