diff options
Diffstat (limited to 'gtk2_ardour/io_selector.cc')
| -rw-r--r-- | gtk2_ardour/io_selector.cc | 83 |
1 files changed, 78 insertions, 5 deletions
diff --git a/gtk2_ardour/io_selector.cc b/gtk2_ardour/io_selector.cc index 0f877206f7..30c50e9252 100644 --- a/gtk2_ardour/io_selector.cc +++ b/gtk2_ardour/io_selector.cc @@ -30,6 +30,7 @@ #include <ardour/route.h> #include <ardour/audioengine.h> #include <ardour/port.h> +#include <ardour/mtdm.h> #include <ardour/insert.h> #include <ardour/session.h> #include <ardour/audio_diskstream.h> @@ -141,8 +142,8 @@ IOSelector::IOSelector (Session& sess, boost::shared_ptr<IO> ior, bool input) io (ior), for_input (input), port_frame (for_input? _("Inputs") : _("Outputs")), - add_port_button (for_input? _("Add Input") : _("Add Output")), - remove_port_button (for_input? _("Remove Input") : _("Remove Output")), + add_port_button (for_input? _("Add") : _("Add")), + remove_port_button (for_input? _("Remove") : _("Remove")), clear_connections_button (_("Disconnect All")) { selected_port = 0; @@ -717,20 +718,92 @@ IOSelector::redisplay () } PortInsertUI::PortInsertUI (Session& sess, boost::shared_ptr<PortInsert> pi) - : input_selector (sess, pi, true), - output_selector (sess, pi, false) + : _pi (pi) + , latency_button (_("Measure Latency")) + , input_selector (sess, pi, true) + , output_selector (sess, pi, false) { + latency_hbox.pack_start (latency_button, false, false); + latency_hbox.pack_start (latency_display, false, false); + latency_frame.add (latency_hbox); + hbox.pack_start (output_selector, true, true); hbox.pack_start (input_selector, true, true); + set_spacing (6); + set_border_width (12); + pack_start (latency_frame); pack_start (hbox); + + latency_button.signal_toggled().connect (mem_fun (*this, &PortInsertUI::latency_button_toggled)); +} + +bool +PortInsertUI::check_latency_measurement () +{ + MTDM* mtdm = _pi->mtdm (); + + if (mtdm->resolve () < 0) { + latency_display.set_text (_("No signal detected")); + return true; + } + + if (mtdm->err () > 0.3) { + mtdm->invert (); + mtdm->resolve (); + } + + char buf[64]; + nframes_t sample_rate = input_selector.session.engine().frame_rate(); + + if (sample_rate == 0) { + latency_display.set_text (_("Disconnected from audio engine")); + _pi->stop_latency_detection (); + return false; + } + + snprintf (buf, sizeof (buf), "%10.3lf frames %10.3lf ms", mtdm->del (), mtdm->del () * 1000.0f/sample_rate); + + bool solid = true; + + if (mtdm->err () > 0.2) { + strcat (buf, " ??"); + solid = false; + } + + if (mtdm->inv ()) { + strcat (buf, " (Inv)"); + solid = false; + } + + if (solid) { + _pi->set_measured_latency ((nframes_t) rint (mtdm->del())); + strcat (buf, " (set)"); + } + + latency_display.set_text (buf); + return true; } void -PortInsertUI::redisplay() +PortInsertUI::latency_button_toggled () { + if (latency_button.get_active ()) { + + _pi->start_latency_detection (); + latency_display.set_text (_("Detecting ...")); + latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &PortInsertUI::check_latency_measurement), 250); + } else { + _pi->stop_latency_detection (); + latency_timeout.disconnect (); + } +} + +void +PortInsertUI::redisplay() +{ input_selector.redisplay(); output_selector.redisplay(); } |