Add a window that shows DSP usage of all plugins

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

gtk2_ardour/ardour_ui.cc

@@ -167,6 +167,7 @@ typedef uint64_t microseconds_t;
 #include "nsm.h"
 #include "opts.h"
 #include "pingback.h"
+#include "plugin_dspload_window.h"
 #include "processor_box.h"
 #include "public_editor.h"
 #include "rc_option_editor.h"
@@ -316,6 +317,7 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 	, export_video_dialog (X_("video-export"), _("Video Export Dialog"))
 	, lua_script_window (X_("script-manager"), _("Script Manager"))
 	, idleometer (X_("idle-o-meter"), _("Idle'o'Meter"))
+	, plugin_dsp_load_window (X_("plugin-dsp-load"), _("Plugin DSP Load"))
 	, transport_masters_window (X_("transport-masters"), _("Transport Masters"))
 	, session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 	, add_video_dialog (X_("add-video"), _("Add Video"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
@@ -476,6 +478,7 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 		export_video_dialog.set_state (*ui_xml, 0);
 		lua_script_window.set_state (*ui_xml, 0);
 		idleometer.set_state (*ui_xml, 0);
+		plugin_dsp_load_window.set_state (*ui_xml, 0);
 		transport_masters_window.set_state (*ui_xml, 0);
 	}
 
@@ -498,6 +501,7 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 	WM::Manager::instance().register_window (&audio_port_matrix);
 	WM::Manager::instance().register_window (&midi_port_matrix);
 	WM::Manager::instance().register_window (&idleometer);
+	WM::Manager::instance().register_window (&plugin_dsp_load_window);
 	WM::Manager::instance().register_window (&transport_masters_window);
 
 	/* do not retain position for add route dialog */

gtk2_ardour/ardour_ui.h

@@ -96,6 +96,7 @@
 #include "keyeditor.h"
 #include "location_ui.h"
 #include "lua_script_manager.h"
+#include "plugin_dspload_window.h"
 #include "rc_option_editor.h"
 #include "route_dialogs.h"
 #include "route_params_ui.h"
@@ -120,6 +121,7 @@ class SessionOptionEditor;
 class SpeakerDialog;
 class GlobalPortMatrixWindow;
 class IdleOMeter;
+class PluginDSPLoadWindow;
 class TransportMastersWindow;
 #endif
 
@@ -682,6 +684,7 @@ private:
 	WM::Proxy<ExportVideoDialog> export_video_dialog;
 	WM::Proxy<LuaScriptManager> lua_script_window;
 	WM::Proxy<IdleOMeter> idleometer;
+	WM::Proxy<PluginDSPLoadWindow> plugin_dsp_load_window;
 	WM::Proxy<TransportMastersWindow> transport_masters_window;
 
 	/* Windows/Dialogs that require a creator method */

gtk2_ardour/ardour_ui_dialogs.cc

@@ -61,6 +61,7 @@
 #include "midi_tracer.h"
 #include "mini_timeline.h"
 #include "mixer_ui.h"
+#include "plugin_dspload_window.h"
 #include "public_editor.h"
 #include "processor_box.h"
 #include "rc_option_editor.h"
@@ -128,6 +129,7 @@ ARDOUR_UI::set_session (Session *s)
 	big_clock->set_session (s);
 	video_timeline->set_session (s);
 	lua_script_window->set_session (s);
+	plugin_dsp_load_window->set_session (s);
 	transport_masters_window->set_session (s);
 	rc_option_editor->set_session (s);
 

gtk2_ardour/plugin_dspload_ui.cc

@@ -41,6 +41,7 @@ PluginLoadStatsGui::PluginLoadStatsGui (boost::shared_ptr<ARDOUR::PluginInsert>
 	_reset_button.signal_clicked.connect (sigc::mem_fun (*this, &PluginLoadStatsGui::clear_stats));
 	_darea.signal_expose_event ().connect (sigc::mem_fun (*this, &PluginLoadStatsGui::draw_bar));
 	set_size_request_to_display_given_text (_lbl_dev, string_compose (_("%1 [ms]"), 99.123), 0, 0);
+	_darea.set_size_request (360, 32); // TODO  max (320, 360 * UIConfiguration::instance().get_ui_scale ())
 
 	attach (*manage (new Gtk::Label (_("Minimum"), ALIGN_RIGHT, ALIGN_CENTER)),
 			0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 0);

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 ();
+}

gtk2_ardour/plugin_dspload_window.h

@@ -0,0 +1,63 @@
+/*
+ * 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.
+ */
+
+#ifndef __ardour_plugin_dspload_window_h__
+#define __ardour_plugin_dspload_window_h__
+
+#include <boost/weak_ptr.hpp>
+
+#include <gtkmm/box.h>
+#include <gtkmm/scrolledwindow.h>
+
+#include "pbd/signals.h"
+
+#include "ardour_window.h"
+
+namespace ARDOUR {
+	class Processor;
+}
+
+class PluginLoadStatsGui;
+
+class PluginDSPLoadWindow : public ArdourWindow
+{
+public:
+	PluginDSPLoadWindow ();
+	~PluginDSPLoadWindow ();
+
+	void set_session (ARDOUR::Session*);
+
+protected:
+	void session_going_away();
+
+	void on_show ();
+	void on_hide ();
+
+private:
+	void refill_processors ();
+	void drop_references ();
+	void add_processor_to_display (boost::weak_ptr<ARDOUR::Processor>, std::string const&);
+
+	Gtk::ScrolledWindow _scroller;
+	Gtk::VBox _box;
+
+	PBD::ScopedConnectionList _processor_connections;
+	PBD::ScopedConnectionList _route_connections;
+};
+#endif
+

gtk2_ardour/wscript

@@ -190,6 +190,7 @@ gtk2_ardour_sources = [
         'plugin_selector.cc',
         'plugin_ui.cc',
         'plugin_dspload_ui.cc',
+        'plugin_dspload_window.cc',
         'port_group.cc',
         'port_insert_ui.cc',
         'port_matrix.cc',