Add a window that shows DSP usage of all plugins

Currently hidden, use
  Editor:access_action("Window", "toggle-plugin-dsp-load")

1 files changed, 139 insertions, 0 deletions

diff --git a/gtk2_ardour/plugin_dspload_window.cc b/gtk2_ardour/plugin_dspload_window.cc
new file mode 100644
index 0000000000..104ec9d7b6
--- /dev/null
+++ b/gtk2_ardour/plugin_dspload_window.cc
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2018 Robin Gareus <robin@gareus.org>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include <gtkmm/frame.h>
+#include <gtkmm/label.h>
+#include <gtkmm/viewport.h>
+
+#include "ardour/session.h"
+#include "gtkmm2ext/gui_thread.h"
+
+#include "plugin_dspload_ui.h"
+#include "plugin_dspload_window.h"
+
+#include "pbd/i18n.h"
+
+using namespace ARDOUR;
+
+PluginDSPLoadWindow::PluginDSPLoadWindow ()
+	: ArdourWindow (_("Plugin DSP Load"))
+{
+	_scroller.set_border_width (0);
+	_scroller.set_shadow_type (Gtk::SHADOW_NONE);
+	_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
+	_scroller.add (_box);
+
+	add (_scroller);
+	_box.show ();
+	_scroller.show ();
+
+	Gtk::Viewport* viewport = (Gtk::Viewport*) _scroller.get_child();
+	viewport->set_shadow_type(Gtk::SHADOW_NONE);
+	viewport->set_border_width(0);
+}
+
+PluginDSPLoadWindow::~PluginDSPLoadWindow ()
+{
+	drop_references ();
+}
+
+void
+PluginDSPLoadWindow::set_session (Session* s)
+{
+	ArdourWindow::set_session (s);
+	if (!s) {
+		drop_references ();
+	}
+}
+
+void
+PluginDSPLoadWindow::session_going_away ()
+{
+	ENSURE_GUI_THREAD (*this, &PluginDSPLoadWindow::session_going_away);
+	ArdourWindow::session_going_away ();
+	drop_references ();
+}
+
+void
+PluginDSPLoadWindow::on_show ()
+{
+	ArdourWindow::on_show ();
+	refill_processors ();
+}
+
+void
+PluginDSPLoadWindow::on_hide ()
+{
+	ArdourWindow::on_hide ();
+	drop_references ();
+}
+
+void
+PluginDSPLoadWindow::drop_references ()
+{
+	std::list<Gtk::Widget*> children = _box.get_children ();
+	for (std::list<Gtk::Widget*>::iterator child = children.begin(); child != children.end(); ++child) {
+		(*child)->hide ();
+		_box.remove (**child);
+		delete *child;
+	}
+}
+
+void
+PluginDSPLoadWindow::refill_processors ()
+{
+	drop_references ();
+	RouteList routes = _session->get_routelist ();
+	for (RouteList::const_iterator i = routes.begin(); i != routes.end(); ++i) {
+
+		(*i)->foreach_processor (sigc::bind (sigc::mem_fun (*this, &PluginDSPLoadWindow::add_processor_to_display), (*i)->name()));
+
+		(*i)->processors_changed.connect (
+				_route_connections, invalidator (*this), boost::bind (&PluginDSPLoadWindow::refill_processors, this), gui_context()
+				);
+
+		(*i)->DropReferences.connect (
+				_route_connections, invalidator (*this), boost::bind (&PluginDSPLoadWindow::drop_references, this), gui_context()
+				);
+	}
+
+	if (_box.get_children().size() == 0) {
+		_box.add (*Gtk::manage (new Gtk::Label (_("No Plugins"))));
+		_box.show_all ();
+	}
+}
+
+void
+PluginDSPLoadWindow::add_processor_to_display (boost::weak_ptr<Processor> w, std::string const& route_name)
+{
+	boost::shared_ptr<Processor> p = w.lock ();
+	boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
+	if (!pi) {
+		return;
+	}
+	p->DropReferences.connect (_processor_connections, MISSING_INVALIDATOR, boost::bind (&PluginDSPLoadWindow::drop_references, this), gui_context());
+	PluginLoadStatsGui* plsg = new PluginLoadStatsGui (pi);
+	
+	std::string name = route_name + " - " + pi->name();
+	Gtk::Frame* frame = new Gtk::Frame (name.c_str());
+	frame->add (*Gtk::manage (plsg));
+	_box.pack_start (*frame, Gtk::PACK_SHRINK, 2);
+
+	plsg->start_updating ();
+	frame->show_all ();
+}