add xrun counter to status-bar (currently no reset)

3 files changed, 35 insertions, 0 deletions

diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index 5a91bc6dfc..2f38aec72f 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -434,8 +434,12 @@ ARDOUR_UI::engine_running ()
 		first_time_engine_run = false;
 	} 
 	
+	if (_session) {
+		_session->reset_xrun_count ();
+	}
 	update_disk_space ();
 	update_cpu_load ();
+	update_xrun_count ();
 	update_sample_rate (AudioEngine::instance()->sample_rate());
 	update_timecode_format ();
 }
@@ -1179,6 +1183,7 @@ void
 ARDOUR_UI::every_second ()
 {
 	update_cpu_load ();
+	update_xrun_count ();
 	update_buffer_load ();
 	update_disk_space ();
 	update_timecode_format ();
@@ -1348,6 +1353,28 @@ ARDOUR_UI::update_cpu_load ()
 	   should also be changed.
 	*/
 
+	if (_session) {
+		const unsigned int x = _session->get_xrun_count ();
+		if (x > 9999) {
+			snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">&gt;10K</span>"), X_("red"));
+		} else {
+			snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">%u</span>"), x > 0 ? X_("red") : X_("green"), x);
+		}
+	} else {
+		snprintf (buf, sizeof (buf), _("X: <span foreground=\"%s\">?</span>"), X_("yellow"));
+	}
+	xrun_label.set_markup (buf);
+}
+
+void
+ARDOUR_UI::update_xrun_count ()
+{
+	char buf[64];
+
+	/* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
+	   should also be changed.
+	*/
+
 	double const c = AudioEngine::instance()->get_dsp_load ();
 	snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
 	cpu_load_label.set_markup (buf);
diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index 23764842eb..33a5f6e3ee 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -552,6 +552,9 @@ class ARDOUR_UI : public Gtkmm2ext::UI, public ARDOUR::SessionHandlePtr
 	Gtk::Label   cpu_load_label;
 	void update_cpu_load ();
 
+	Gtk::Label   xrun_label;
+	void update_xrun_count ();
+
 	Gtk::Label   buffer_load_label;
 	void update_buffer_load ();
 
diff --git a/gtk2_ardour/ardour_ui_ed.cc b/gtk2_ardour/ardour_ui_ed.cc
index 7c3db7a7e3..ad0f4aa8d0 100644
--- a/gtk2_ardour/ardour_ui_ed.cc
+++ b/gtk2_ardour/ardour_ui_ed.cc
@@ -495,6 +495,8 @@ ARDOUR_UI::build_menu_bar ()
 	timecode_format_label.set_use_markup ();
 	cpu_load_label.set_name ("CPULoad");
 	cpu_load_label.set_use_markup ();
+	xrun_label.set_name ("XrunLabel");
+	xrun_label.set_use_markup ();
 	buffer_load_label.set_name ("BufferLoad");
 	buffer_load_label.set_use_markup ();
 	sample_rate_label.set_name ("SampleRate");
@@ -523,6 +525,7 @@ ARDOUR_UI::build_menu_bar ()
 
 	hbox->pack_end (wall_clock_label, false, false, 2);
 	hbox->pack_end (disk_space_label, false, false, 4);
+	hbox->pack_end (xrun_label, false, false, 4);
 	hbox->pack_end (cpu_load_label, false, false, 4);
 	hbox->pack_end (buffer_load_label, false, false, 4);
 	hbox->pack_end (sample_rate_label, false, false, 4);
@@ -539,6 +542,7 @@ ARDOUR_UI::build_menu_bar ()
 #endif
 	_status_bar_visibility.add (&disk_space_label,      X_("Disk"),      _("Disk Space"), disk_space);
 	_status_bar_visibility.add (&cpu_load_label,        X_("DSP"),       _("DSP"), true);
+	_status_bar_visibility.add (&xrun_label,            X_("XRun"),      _("X-run"), true);
 	_status_bar_visibility.add (&buffer_load_label,     X_("Buffers"),   _("Buffers"), true);
 	_status_bar_visibility.add (&sample_rate_label,     X_("Audio"),     _("Audio"), true);
 	_status_bar_visibility.add (&timecode_format_label, X_("TCFormat"),  _("Timecode Format"), true);
@@ -660,6 +664,7 @@ ARDOUR_UI::resize_text_widgets ()
 {
 	set_size_request_to_display_given_text (cpu_load_label, "DSP: 100.0%", 2, 2);
 	set_size_request_to_display_given_text (buffer_load_label, "Buffers: p:100% c:100%", 2, 2);
+	set_size_request_to_display_given_text (xrun_label, "X: 9999", 2, 2);
 }
 
 void