X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fengine_dialog.cc;h=f3dba387abbb5109e035decff1738eaf17bc5841;hb=5f9e81b105e84988a92c1f448fa46d9054893b55;hp=188824d3cc8b90b70d608ea6b36e885ee4eab566;hpb=2a3dfb5e82880bacc6ddcfdb270902010a32d931;p=ardour.git diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc index 188824d3cc..f3dba387ab 100644 --- a/gtk2_ardour/engine_dialog.cc +++ b/gtk2_ardour/engine_dialog.cc @@ -30,6 +30,7 @@ #include "pbd/error.h" #include "pbd/xml++.h" #include "pbd/unwind.h" +#include "pbd/failed_constructor.h" #include #include @@ -39,14 +40,17 @@ #include "ardour/audio_backend.h" #include "ardour/audioengine.h" #include "ardour/mtdm.h" +#include "ardour/mididm.h" #include "ardour/rc_configuration.h" #include "ardour/types.h" #include "pbd/convert.h" #include "pbd/error.h" +#include "ardour_ui.h" #include "engine_dialog.h" #include "gui_thread.h" +#include "utils.h" #include "i18n.h" using namespace std; @@ -54,9 +58,16 @@ using namespace Gtk; using namespace Gtkmm2ext; using namespace PBD; using namespace Glib; +using namespace ARDOUR_UI_UTILS; + +static const unsigned int midi_tab = 2; +static const unsigned int latency_tab = 1; /* zero-based, page zero is the main setup page */ + +static const char* results_markup = X_("%1"); EngineControl::EngineControl () : ArdourDialog (_("Audio/MIDI Setup")) + , basic_packer (9, 4) , input_latency_adjustment (0, 0, 99999, 1) , input_latency (input_latency_adjustment) , output_latency_adjustment (0, 0, 99999, 1) @@ -67,20 +78,187 @@ EngineControl::EngineControl () , output_channels (output_channels_adjustment) , ports_adjustment (128, 8, 1024, 1, 16) , ports_spinner (ports_adjustment) - , control_app_button (_("Launch Control App")) - , lm_start_stop_label (_("Measure latency")) + , control_app_button (_("Device Control Panel")) + , midi_devices_button (_("Midi Device Setup")) + , lm_measure_label (_("Measure")) , lm_use_button (_("Use results")) - , lm_table (5, 2) + , lm_back_button (_("Back to settings ... (ignore results)")) + , lm_button_audio (_("Calibrate Audio")) + , lm_table (12, 3) , have_lm_results (false) - , basic_packer (9, 3) + , lm_running (false) + , midi_back_button (_("Back to settings")) , ignore_changes (0) , _desired_sample_rate (0) + , started_at_least_once (false) { - build_notebook (); + using namespace Notebook_Helpers; + vector strings; + Label* label; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + int row; + + set_name (X_("AudioMIDISetup")); + + /* the backend combo is the one thing that is ALWAYS visible */ + + vector backends = ARDOUR::AudioEngine::instance()->available_backends(); + + if (backends.empty()) { + MessageDialog msg (string_compose (_("No audio/MIDI backends detected. %1 cannot run\n\n(This is a build/packaging/system error. It should never happen.)"), PROGRAM_NAME)); + msg.run (); + throw failed_constructor (); + } + + for (vector::const_iterator b = backends.begin(); b != backends.end(); ++b) { + strings.push_back ((*b)->name); + } + + set_popdown_strings (backend_combo, strings); + backend_combo.set_active_text (strings.front()); + backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed)); + + /* setup basic packing characteristics for the table used on the main + * tab of the notebook + */ + + basic_packer.set_spacings (6); + basic_packer.set_border_width (12); + basic_packer.set_homogeneous (false); + + /* pack it in */ + + basic_hbox.pack_start (basic_packer, false, false); + + /* latency measurement tab */ + + lm_title.set_markup (string_compose ("%1", _("Latency Measurement Tool"))); + + row = 0; + lm_table.set_row_spacings (12); + lm_table.set_col_spacings (6); + lm_table.set_homogeneous (false); + + lm_table.attach (lm_title, 0, 3, row, row+1, xopt, (AttachOptions) 0); + row++; + + lm_preamble.set_width_chars (60); + lm_preamble.set_line_wrap (true); + lm_preamble.set_markup (_("Turn down the volume on your audio equipment to a very low level.")); + + lm_table.attach (lm_preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + row++; + + Gtk::Label* preamble; + preamble = manage (new Label); + preamble->set_width_chars (60); + preamble->set_line_wrap (true); + preamble->set_markup (_("Select two channels below and connect them using a cable.")); + + lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + row++; + + label = manage (new Label (_("Output channel"))); + lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + + Gtk::Alignment* misc_align = manage (new Alignment (0.0, 0.5)); + misc_align->add (lm_output_channel_combo); + lm_table.attach (*misc_align, 1, 3, row, row+1, xopt, (AttachOptions) 0); + ++row; + + label = manage (new Label (_("Input channel"))); + lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + + misc_align = manage (new Alignment (0.0, 0.5)); + misc_align->add (lm_input_channel_combo); + lm_table.attach (*misc_align, 1, 3, row, row+1, FILL, (AttachOptions) 0); + ++row; + + xopt = AttachOptions(0); + + lm_measure_label.set_padding (10, 10); + lm_measure_button.add (lm_measure_label); + lm_measure_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::latency_button_clicked)); + lm_use_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::use_latency_button_clicked)); + lm_back_button_signal = lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0)); + + lm_use_button.set_sensitive (false); + + /* Increase the default spacing around the labels of these three + * buttons + */ + + Gtk::Misc* l; + + if ((l = dynamic_cast(lm_use_button.get_child())) != 0) { + l->set_padding (10, 10); + } + + if ((l = dynamic_cast(lm_back_button.get_child())) != 0) { + l->set_padding (10, 10); + } + + preamble = manage (new Label); + preamble->set_width_chars (60); + preamble->set_line_wrap (true); + preamble->set_markup (_("Once the channels are connected, click the \"Measure\" button.")); + lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + row++; + + preamble = manage (new Label); + preamble->set_width_chars (60); + preamble->set_line_wrap (true); + preamble->set_markup (_("When satisfied with the results, click the \"Use results\" button.")); + lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + + ++row; // skip a row in the table + ++row; // skip a row in the table + + lm_table.attach (lm_results, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + + ++row; // skip a row in the table + ++row; // skip a row in the table + + lm_table.attach (lm_measure_button, 0, 1, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + lm_table.attach (lm_use_button, 1, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + lm_table.attach (lm_back_button, 2, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + + lm_results.set_markup (string_compose (results_markup, _("No measurement results yet"))); + + lm_vbox.set_border_width (12); + lm_vbox.pack_start (lm_table, false, false); + + midi_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0)); + + /* pack it all up */ + + notebook.pages().push_back (TabElem (basic_vbox, _("Audio"))); + notebook.pages().push_back (TabElem (lm_vbox, _("Latency"))); + notebook.pages().push_back (TabElem (midi_vbox, _("MIDI"))); + notebook.set_border_width (12); + + notebook.set_show_tabs (false); + notebook.show_all (); + + notebook.set_name ("SettingsNotebook"); + + /* packup the notebook */ get_vbox()->set_border_width (12); get_vbox()->pack_start (notebook); + /* need a special function to print "all available channels" when the + * channel counts hit zero. + */ + + input_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &input_channels)); + output_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &output_channels)); + + midi_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::configure_midi_devices)); + midi_devices_button.set_sensitive (false); + midi_devices_button.set_name ("generic button"); + midi_devices_button.set_can_focus(true); + control_app_button.signal_clicked().connect (mem_fun (*this, &EngineControl::control_app_button_clicked)); manage_control_app_sensitivity (); @@ -91,13 +269,42 @@ EngineControl::EngineControl () /* Pick up any existing audio setup configuration, if appropriate */ XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup"); - - /* push a change as if we altered the backend */ - backend_changed (); - if (audio_setup) { + ARDOUR::AudioEngine::instance()->Running.connect (running_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::engine_running, this), gui_context()); + ARDOUR::AudioEngine::instance()->Stopped.connect (stopped_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::engine_stopped, this), gui_context()); + ARDOUR::AudioEngine::instance()->Halted.connect (stopped_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::engine_stopped, this), gui_context()); + + if (audio_setup) + { set_state (*audio_setup); - } + } + { + /* ignore: don't save state */ + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + backend_changed (); + } + + /* Connect to signals */ + + driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed)); + sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed)); + buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed)); + device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed)); + midi_option_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::midi_option_changed)); + + input_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + input_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + + notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page)); +} + +void +EngineControl::on_show () +{ + ArdourDialog::on_show (); + ok_button->grab_focus(); } void @@ -106,51 +313,92 @@ EngineControl::on_response (int response_id) ArdourDialog::on_response (response_id); switch (response_id) { - case RESPONSE_APPLY: - push_state_to_backend (true); - break; - case RESPONSE_OK: - push_state_to_backend (true); - hide (); - break; - default: - hide (); + case RESPONSE_APPLY: + push_state_to_backend (true); + break; + case RESPONSE_OK: + push_state_to_backend (true); + hide (); + break; + case RESPONSE_DELETE_EVENT: + { + GdkEventButton ev; + ev.type = GDK_BUTTON_PRESS; + ev.button = 1; + on_delete_event ((GdkEventAny*) &ev); + break; + } + default: + hide (); } } void EngineControl::build_notebook () { - using namespace Notebook_Helpers; Label* label; - vector strings; - int row = 0; + AttachOptions xopt = AttachOptions (FILL|EXPAND); - vector backends = ARDOUR::AudioEngine::instance()->available_backends(); - for (vector::const_iterator b = backends.begin(); b != backends.end(); ++b) { - strings.push_back ((*b)->name); + /* clear the table */ + + Gtkmm2ext::container_clear (basic_vbox); + Gtkmm2ext::container_clear (basic_packer); + + if (control_app_button.get_parent()) { + control_app_button.get_parent()->remove (control_app_button); } - set_popdown_strings (backend_combo, strings); - backend_combo.set_active_text (strings.front()); + label = manage (left_aligned_label (_("Audio System:"))); + basic_packer.attach (*label, 0, 1, 0, 1, xopt, (AttachOptions) 0); + basic_packer.attach (backend_combo, 1, 2, 0, 1, xopt, (AttachOptions) 0); - basic_packer.set_spacings (6); - basic_packer.set_border_width (12); - basic_packer.set_homogeneous (true); + lm_button_audio.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_audio_latency)); + lm_button_audio.set_name ("generic button"); + lm_button_audio.set_can_focus(true); - row = 0; + if (_have_control) { + build_full_control_notebook (); + } else { + build_no_control_notebook (); + } + + basic_vbox.pack_start (basic_hbox, false, false); + + if (_have_control) { + Gtk::HBox* hpacker = manage (new HBox); + hpacker->set_border_width (12); + hpacker->pack_start (control_app_button, false, false); + hpacker->show (); + control_app_button.show(); + basic_vbox.pack_start (*hpacker); + } + + { + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + basic_vbox.show_all (); + } +} +void +EngineControl::build_full_control_notebook () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + using namespace Notebook_Helpers; + Label* label; + vector strings; AttachOptions xopt = AttachOptions (FILL|EXPAND); + int row = 1; // row zero == backend combo - label = manage (left_aligned_label (_("Audio System:"))); - basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); - basic_packer.attach (backend_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); - row++; + /* start packing it up */ - label = manage (left_aligned_label (_("Driver:"))); - basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); - basic_packer.attach (driver_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); - row++; + if (backend->requires_driver_selection()) { + label = manage (left_aligned_label (_("Driver:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (driver_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + } label = manage (left_aligned_label (_("Device:"))); basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); @@ -167,199 +415,287 @@ EngineControl::build_notebook () basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); buffer_size_duration_label.set_alignment (0.0); /* left-align */ - basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0); row++; + input_channels.set_name ("InputChannels"); + input_channels.set_flags (Gtk::CAN_FOCUS); + input_channels.set_digits (0); + input_channels.set_wrap (false); + output_channels.set_editable (true); label = manage (left_aligned_label (_("Input Channels:"))); basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); basic_packer.attach (input_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0); ++row; + output_channels.set_name ("OutputChannels"); + output_channels.set_flags (Gtk::CAN_FOCUS); + output_channels.set_digits (0); + output_channels.set_wrap (false); + output_channels.set_editable (true); label = manage (left_aligned_label (_("Output Channels:"))); basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); basic_packer.attach (output_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0); ++row; + input_latency.set_name ("InputLatency"); + input_latency.set_flags (Gtk::CAN_FOCUS); + input_latency.set_digits (0); + input_latency.set_wrap (false); + input_latency.set_editable (true); label = manage (left_aligned_label (_("Hardware input latency:"))); basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); basic_packer.attach (input_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0); label = manage (left_aligned_label (_("samples"))); - basic_packer.attach (*label, 2, 3, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (*label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0); ++row; + output_latency.set_name ("OutputLatency"); + output_latency.set_flags (Gtk::CAN_FOCUS); + output_latency.set_digits (0); + output_latency.set_wrap (false); + output_latency.set_editable (true); + label = manage (left_aligned_label (_("Hardware output latency:"))); basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); basic_packer.attach (output_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0); label = manage (left_aligned_label (_("samples"))); - basic_packer.attach (*label, 2, 3, row, row+1, xopt, (AttachOptions) 0); - ++row; - - basic_hbox.pack_start (basic_packer, false, false); - basic_vbox.pack_start (basic_hbox, false, false); - - Gtk::HBox* hpacker = manage (new HBox); - hpacker->set_border_width (12); - hpacker->pack_start (control_app_button, false, false); - hpacker->show (); - control_app_button.show(); - basic_vbox.pack_start (*hpacker); + basic_packer.attach (*label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0); - midi_packer.set_border_width (12); + /* button spans 2 rows */ - /* latency measurement tab */ - - lm_title.set_markup (string_compose ("%1", _("Latency Measurement Tool"))); - - row = 0; - lm_table.set_row_spacings (12); + basic_packer.attach (lm_button_audio, 3, 4, row-1, row+1, xopt, xopt); + ++row; - lm_table.attach (lm_title, 0, 2, row, row+1, xopt, (AttachOptions) 0); + label = manage (left_aligned_label (_("MIDI System"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (midi_option_combo, 1, 2, row, row + 1, SHRINK, (AttachOptions) 0); + basic_packer.attach (midi_devices_button, 3, 4, row, row+1, xopt, xopt); row++; +} - Gtk::Label* preamble; +void +EngineControl::build_no_control_notebook () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); - preamble = manage (new Label); - preamble->set_width_chars (60); - preamble->set_line_wrap (true); - preamble->set_markup (_("Turn down the volume on your hardware to a very low level.")); + using namespace Notebook_Helpers; + Label* label; + vector strings; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + int row = 1; // row zero == backend combo + const string msg = string_compose (_("The %1 audio backend was configured and started externally.\nThis limits your control over it."), backend->name()); - lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + label = manage (new Label); + label->set_markup (string_compose ("%1", msg)); + basic_packer.attach (*label, 0, 2, row, row + 1, xopt, (AttachOptions) 0); row++; - preamble = manage (new Label); - preamble->set_width_chars (60); - preamble->set_line_wrap (true); - preamble->set_markup (_("Select two channels below and connect them using a cable or (less ideally) a speaker and microphone.")); + if (backend->can_change_sample_rate_when_running()) { + label = manage (left_aligned_label (_("Sample rate:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + } - lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); - row++; + if (backend->can_change_buffer_size_when_running()) { + label = manage (left_aligned_label (_("Buffer size:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + buffer_size_duration_label.set_alignment (0.0); /* left-align */ + basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, xopt, (AttachOptions) 0); + row++; + } - label = manage (new Label (_("Output channel"))); - lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click)); - Gtk::Alignment* misc_align = manage (new Alignment (0.0, 0.5)); - misc_align->add (lm_output_channel_combo); - lm_table.attach (*misc_align, 1, 2, row, row+1, xopt, (AttachOptions) 0); - ++row; + basic_packer.attach (connect_disconnect_button, 0, 2, row, row+1, FILL, AttachOptions (0)); + row++; +} - label = manage (new Label (_("Input channel"))); - lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); +EngineControl::~EngineControl () +{ + ignore_changes = true; +} - misc_align = manage (new Alignment (0.0, 0.5)); - misc_align->add (lm_input_channel_combo); - lm_table.attach (*misc_align, 1, 2, row, row+1, FILL, (AttachOptions) 0); - ++row; +void +EngineControl::disable_latency_tab () +{ + vector empty; + set_popdown_strings (lm_output_channel_combo, empty); + set_popdown_strings (lm_input_channel_combo, empty); + lm_measure_button.set_sensitive (false); + lm_use_button.set_sensitive (false); +} - xopt = AttachOptions(0); +void +EngineControl::enable_latency_tab () +{ + vector outputs; + vector inputs; - lm_measure_button.add (lm_start_stop_label); - - lm_measure_button.signal_toggled().connect (sigc::mem_fun (*this, &EngineControl::latency_button_toggled)); - lm_use_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::use_latency_button_clicked)); - lm_use_button.set_sensitive (false); - + ARDOUR::DataType const type = _measure_midi ? ARDOUR::DataType::MIDI : ARDOUR::DataType::AUDIO; + ARDOUR::AudioEngine::instance()->get_physical_outputs (type, outputs); + ARDOUR::AudioEngine::instance()->get_physical_inputs (type, inputs); - preamble = manage (new Label); - preamble->set_width_chars (60); - preamble->set_line_wrap (true); - preamble->set_markup (_("Once the channels are connected, click the \"Measure latency\" button.")); - lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); - row++; + if (!ARDOUR::AudioEngine::instance()->running()) { + MessageDialog msg (_("Failed to start or connect to audio-engine.\n\nLatency calibration requires a working audio interface.")); + notebook.set_current_page (0); + msg.run (); + return; + } + else if (inputs.empty() || outputs.empty()) { + MessageDialog msg (_("Your selected audio configuration is playback- or capture-only.\n\nLatency calibration requires playback and capture")); + notebook.set_current_page (0); + msg.run (); + return; + } - lm_table.attach (lm_measure_button, 0, 2, row, row+1, xopt, (AttachOptions) 0); - ++row; - lm_table.attach (lm_results, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); - ++row; + lm_back_button_signal.disconnect(); + if (_measure_midi) { + lm_back_button_signal = lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), midi_tab)); + lm_preamble.hide (); + } else { + lm_back_button_signal = lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0)); + lm_preamble.show (); + } + set_popdown_strings (lm_output_channel_combo, outputs); + lm_output_channel_combo.set_active_text (outputs.front()); + lm_output_channel_combo.set_sensitive (true); - preamble = manage (new Label); - preamble->set_width_chars (60); - preamble->set_line_wrap (true); - preamble->set_markup (_("When satisfied with the results, click the \"Use results\" button.")); - lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); - row++; + set_popdown_strings (lm_input_channel_combo, inputs); + lm_input_channel_combo.set_active_text (inputs.front()); + lm_input_channel_combo.set_sensitive (true); - lm_table.attach (lm_use_button, 0, 2, row, row+1, xopt, (AttachOptions) 0); - ++row; + lm_measure_button.set_sensitive (true); +} - lm_results.set_markup ("No measurement results yet"); +void +EngineControl::setup_midi_tab_for_backend () +{ + string backend = backend_combo.get_active_text (); - lm_vbox.set_border_width (12); - lm_vbox.pack_start (lm_table, false, false); + Gtkmm2ext::container_clear (midi_vbox); - /* pack it all up */ + midi_vbox.set_border_width (12); + midi_device_table.set_border_width (12); - notebook.pages().push_back (TabElem (basic_vbox, _("Audio"))); - notebook.pages().push_back (TabElem (midi_hbox, _("MIDI"))); - notebook.pages().push_back (TabElem (lm_vbox, _("Latency"))); - notebook.set_border_width (12); + if (backend == "JACK") { + setup_midi_tab_for_jack (); + } - notebook.set_tab_pos (POS_RIGHT); - notebook.show_all (); + midi_vbox.pack_start (midi_device_table, true, true); + midi_vbox.pack_start (midi_back_button, false, false); + midi_vbox.show_all (); +} - notebook.set_name ("SettingsNotebook"); +void +EngineControl::setup_midi_tab_for_jack () +{ +} - /* Connect to signals */ +void +EngineControl::midi_latency_adjustment_changed (Gtk::Adjustment *a, MidiDeviceSettings device, bool for_input) { + if (for_input) { + device->input_latency = a->get_value(); + } else { + device->output_latency = a->get_value(); + } +} - backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed)); - driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed)); - sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed)); - buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed)); - device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed)); +void +EngineControl::midi_device_enabled_toggled (ArdourButton *b, MidiDeviceSettings device) { + b->set_active (!b->get_active()); + device->enabled = b->get_active(); + refresh_midi_display(device->name); +} - input_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); - output_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); - input_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); - output_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); +void +EngineControl::refresh_midi_display (std::string focus) +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + int row = 0; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + Gtk::Label* l; - input_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &input_channels)); - output_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &output_channels)); + Gtkmm2ext::container_clear (midi_device_table); - notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page)); -} + midi_device_table.set_spacings (6); -EngineControl::~EngineControl () -{ + l = manage (new Label); + l->set_markup (string_compose ("%1", _("MIDI Devices"))); + midi_device_table.attach (*l, 0, 4, row, row + 1, xopt, AttachOptions (0)); + l->set_alignment (0.5, 0.5); + row++; + l->show (); + + l = manage (new Label (_("Device"))); l->show (); l->set_alignment (0.5, 0.5); + midi_device_table.attach (*l, 0, 1, row, row + 2, xopt, AttachOptions (0)); + l = manage (new Label (_("Hardware Latencies"))); l->show (); l->set_alignment (0.5, 0.5); + midi_device_table.attach (*l, 1, 3, row, row + 1, xopt, AttachOptions (0)); + row++; + l = manage (new Label (_("Input"))); l->show (); l->set_alignment (0.5, 0.5); + midi_device_table.attach (*l, 1, 2, row, row + 1, xopt, AttachOptions (0)); + l = manage (new Label (_("Output"))); l->show (); l->set_alignment (0.5, 0.5); + midi_device_table.attach (*l, 2, 3, row, row + 1, xopt, AttachOptions (0)); + row++; -} + for (vector::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) { + ArdourButton *m; + Gtk::Button* b; + Gtk::Adjustment *a; + Gtk::SpinButton *s; + bool enabled = (*p)->enabled; + + m = manage (new ArdourButton ((*p)->name, ArdourButton::led_default_elements)); + m->set_name ("midi device"); + m->set_can_focus (Gtk::CAN_FOCUS); + m->add_events (Gdk::BUTTON_RELEASE_MASK); + m->set_active (enabled); + m->signal_clicked.connect (sigc::bind (sigc::mem_fun (*this, &EngineControl::midi_device_enabled_toggled), m, *p)); + midi_device_table.attach (*m, 0, 1, row, row + 1, xopt, AttachOptions (0)); m->show (); + if ((*p)->name == focus) { + m->grab_focus(); + } -void -EngineControl::disable_latency_tab () -{ - vector empty; - set_popdown_strings (lm_output_channel_combo, empty); - set_popdown_strings (lm_input_channel_combo, empty); - lm_measure_button.set_sensitive (false); - lm_use_button.set_sensitive (false); + a = manage (new Gtk::Adjustment (0, 0, 99999, 1)); + s = manage (new Gtk::SpinButton (*a)); + a->set_value ((*p)->input_latency); + s->signal_value_changed().connect (sigc::bind (sigc::mem_fun (*this, &EngineControl::midi_latency_adjustment_changed), a, *p, true)); + s->set_sensitive (_can_set_midi_latencies && enabled); + midi_device_table.attach (*s, 1, 2, row, row + 1, xopt, AttachOptions (0)); s->show (); + + a = manage (new Gtk::Adjustment (0, 0, 99999, 1)); + s = manage (new Gtk::SpinButton (*a)); + a->set_value ((*p)->output_latency); + s->signal_value_changed().connect (sigc::bind (sigc::mem_fun (*this, &EngineControl::midi_latency_adjustment_changed), a, *p, false)); + s->set_sensitive (_can_set_midi_latencies && enabled); + midi_device_table.attach (*s, 2, 3, row, row + 1, xopt, AttachOptions (0)); s->show (); + + b = manage (new Button (_("Calibrate"))); + b->signal_clicked().connect (sigc::bind (sigc::mem_fun (*this, &EngineControl::calibrate_midi_latency), *p)); + b->set_sensitive (_can_set_midi_latencies && enabled); + midi_device_table.attach (*b, 3, 4, row, row + 1, xopt, AttachOptions (0)); b->show (); + + row++; + } } void -EngineControl::enable_latency_tab () +EngineControl::update_sensitivity () { - vector outputs; - ARDOUR::AudioEngine::instance()->get_physical_outputs (ARDOUR::DataType::AUDIO, outputs); - set_popdown_strings (lm_output_channel_combo, outputs); - lm_output_channel_combo.set_active_text (outputs.front()); - - vector inputs; - ARDOUR::AudioEngine::instance()->get_physical_inputs (ARDOUR::DataType::AUDIO, inputs); - set_popdown_strings (lm_input_channel_combo, inputs); - lm_input_channel_combo.set_active_text (inputs.front()); - - lm_measure_button.set_sensitive (true); } void EngineControl::backend_changed () { - if (ignore_changes) { - return; - } - string backend_name = backend_combo.get_active_text(); boost::shared_ptr backend; @@ -368,18 +704,67 @@ EngineControl::backend_changed () return; } + _have_control = ARDOUR::AudioEngine::instance()->setup_required (); + + build_notebook (); + setup_midi_tab_for_backend (); + _midi_devices.clear(); + if (backend->requires_driver_selection()) { vector drivers = backend->enumerate_drivers(); driver_combo.set_sensitive (true); - set_popdown_strings (driver_combo, drivers); - driver_combo.set_active_text (drivers.front()); - driver_changed (); + + if (!drivers.empty()) { + { + string current_driver; + current_driver = backend->driver_name (); + + // driver might not have been set yet + if (current_driver == "") { + current_driver = driver_combo.get_active_text (); + if (current_driver == "") + // driver has never been set, make sure it's not blank + current_driver = drivers.front (); + } + + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + set_popdown_strings (driver_combo, drivers); + driver_combo.set_active_text (current_driver); + } + + driver_changed (); + } + } else { driver_combo.set_sensitive (false); + /* this will change the device text which will cause a call to + * device changed which will set up parameters + */ list_devices (); } - - maybe_display_saved_state (); + + vector midi_options = backend->enumerate_midi_options(); + + if (midi_options.size() == 1) { + /* only contains the "none" option */ + midi_option_combo.set_sensitive (false); + } else { + if (_have_control) { + set_popdown_strings (midi_option_combo, midi_options); + midi_option_combo.set_active_text (midi_options.front()); + midi_option_combo.set_sensitive (true); + } else { + midi_option_combo.set_sensitive (false); + } + } + + midi_option_changed(); + + started_at_least_once = false; + + if (!ignore_changes) { + maybe_display_saved_state (); + } } bool @@ -403,9 +788,9 @@ EngineControl::list_devices () assert (backend); /* now fill out devices, mark sample rates, buffer sizes insensitive */ - + vector all_devices = backend->enumerate_devices (); - + /* NOTE: Ardour currently does not display the "available" field of the * returned devices. * @@ -421,161 +806,206 @@ EngineControl::list_devices () available_devices.push_back (i->name); } - ignore_changes++; - set_popdown_strings (device_combo, available_devices); - ignore_changes--; - if (!available_devices.empty()) { - sample_rate_combo.set_sensitive (true); - buffer_size_combo.set_sensitive (true); + + update_sensitivity (); + + { + string current_device; + current_device = backend->device_name (); + if (current_device == "") { + // device might not have been set yet + current_device = device_combo.get_active_text (); + if (current_device == "") + // device has never been set, make sure it's not blank + current_device = available_devices.front (); + } + + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + set_popdown_strings (device_combo, available_devices); + + device_combo.set_active_text (current_device); + } + + device_changed (); + input_latency.set_sensitive (true); output_latency.set_sensitive (true); input_channels.set_sensitive (true); output_channels.set_sensitive (true); - - /* changing the text in the combo will trigger device_changed() - which should populate the parameter controls - */ - - device_combo.set_active_text (available_devices.front()); + + ok_button->set_sensitive (true); + apply_button->set_sensitive (true); + } else { - sample_rate_combo.set_sensitive (true); - buffer_size_combo.set_sensitive (true); - input_latency.set_sensitive (true); - output_latency.set_sensitive (true); - input_channels.set_sensitive (true); - output_channels.set_sensitive (true); + device_combo.clear(); + sample_rate_combo.set_sensitive (false); + buffer_size_combo.set_sensitive (false); + input_latency.set_sensitive (false); + output_latency.set_sensitive (false); + input_channels.set_sensitive (false); + output_channels.set_sensitive (false); + if (_have_control) { + ok_button->set_sensitive (false); + apply_button->set_sensitive (false); + } else { + ok_button->set_sensitive (true); + apply_button->set_sensitive (true); + } } } - + void EngineControl::driver_changed () { - if (ignore_changes) { - return; - } - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); assert (backend); backend->set_driver (driver_combo.get_active_text()); list_devices (); - maybe_display_saved_state (); + if (!ignore_changes) { + maybe_display_saved_state (); + } } void EngineControl::device_changed () { - if (ignore_changes) { - return; - } boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); assert (backend); string device_name = device_combo.get_active_text (); vector s; - /* don't allow programmatic change to sample_rate_combo to cause a - recursive call to this method. - */ - - ignore_changes++; + { + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); - /* sample rates */ - - string desired; + /* don't allow programmatic change to combos to cause a + recursive call to this method. + */ - vector sr = backend->available_sample_rates (device_name); - for (vector::const_iterator x = sr.begin(); x != sr.end(); ++x) { - char buf[32]; - if (fmod (*x, 1000.0f)) { - snprintf (buf, sizeof (buf), "%.1f kHz", (*x)/1000.0); + /* sample rates */ + + string desired; + + vector sr; + + if (_have_control) { + sr = backend->available_sample_rates (device_name); } else { - snprintf (buf, sizeof (buf), "%.0f kHz", (*x)/1000.0); + + sr.push_back (8000.0f); + sr.push_back (16000.0f); + sr.push_back (32000.0f); + sr.push_back (44100.0f); + sr.push_back (48000.0f); + sr.push_back (88200.0f); + sr.push_back (96000.0f); + sr.push_back (192000.0f); + sr.push_back (384000.0f); } - s.push_back (buf); - if (*x == _desired_sample_rate) { - desired = buf; + + for (vector::const_iterator x = sr.begin(); x != sr.end(); ++x) { + s.push_back (rate_as_string (*x)); + if (*x == _desired_sample_rate) { + desired = s.back(); + } } - } - if (!s.empty()) { - set_popdown_strings (sample_rate_combo, s); - - if (desired.empty()) { - sample_rate_combo.set_active_text (s.front()); + if (!s.empty()) { + sample_rate_combo.set_sensitive (true); + set_popdown_strings (sample_rate_combo, s); + + if (desired.empty()) { + sample_rate_combo.set_active_text (rate_as_string (backend->default_sample_rate())); + } else { + sample_rate_combo.set_active_text (desired); + } + } else { - sample_rate_combo.set_active_text (desired); + sample_rate_combo.set_sensitive (false); } - } else { - /* hmm ... how to tell the user about the fact that we have no - * available sample rates. - */ - } - - vector bs = backend->available_buffer_sizes(device_name); - s.clear (); - for (vector::const_iterator x = bs.begin(); x != bs.end(); ++x) { - char buf[32]; - /* Translators: "samples" is always plural here, so no - need for plural+singular forms. - */ - snprintf (buf, sizeof (buf), _("%u samples"), *x); - s.push_back (buf); - } + /* buffer sizes */ + + vector bs; + + if (_have_control) { + bs = backend->available_buffer_sizes (device_name); + } else if (backend->can_change_buffer_size_when_running()) { + bs.push_back (8); + bs.push_back (16); + bs.push_back (32); + bs.push_back (64); + bs.push_back (128); + bs.push_back (256); + bs.push_back (512); + bs.push_back (1024); + bs.push_back (2048); + bs.push_back (4096); + bs.push_back (8192); + } + s.clear (); + for (vector::const_iterator x = bs.begin(); x != bs.end(); ++x) { + s.push_back (bufsize_as_string (*x)); + } - if (!s.empty()) { - set_popdown_strings (buffer_size_combo, s); - buffer_size_combo.set_active_text (s.front()); - show_buffer_duration (); - } else { - /* hmm ... how to tell the user about the fact that we have no - * available buffer sizes. - */ - } + if (!s.empty()) { + buffer_size_combo.set_sensitive (true); + set_popdown_strings (buffer_size_combo, s); - manage_control_app_sensitivity (); + buffer_size_combo.set_active_text (bufsize_as_string (backend->default_buffer_size())); + show_buffer_duration (); + } else { + buffer_size_combo.set_sensitive (false); + } + + /* XXX theoretically need to set min + max channel counts here + */ - ignore_changes--; + manage_control_app_sensitivity (); + } /* pick up any saved state for this device */ - maybe_display_saved_state (); - - /* and push it to the backend */ + if (!ignore_changes) { + maybe_display_saved_state (); + } +} - push_state_to_backend (false); -} +string +EngineControl::bufsize_as_string (uint32_t sz) +{ + /* Translators: "samples" is always plural here, so no + need for plural+singular forms. + */ + char buf[32]; + snprintf (buf, sizeof (buf), _("%u samples"), sz); + return buf; +} -void +void EngineControl::sample_rate_changed () { - if (ignore_changes) { - return; - } - /* reset the strings for buffer size to show the correct msec value (reflecting the new sample rate). - */ + */ show_buffer_duration (); - push_state_to_backend (false); - save_state (); + if (!ignore_changes) { + save_state (); + } } -void +void EngineControl::buffer_size_changed () { - if (ignore_changes) { - return; - } - show_buffer_duration (); - push_state_to_backend (false); - save_state (); + if (!ignore_changes) { + save_state (); + } } void @@ -592,16 +1022,59 @@ EngineControl::show_buffer_duration () /* Translators: "msecs" is ALWAYS plural here, so we do not need singular form as well. - */ + */ /* Developers: note the hard-coding of a double buffered model in the (2 * samples) computation of latency. we always start the audiobackend in this configuration. - */ + */ char buf[32]; snprintf (buf, sizeof (buf), _("(%.1f msecs)"), (2 * samples) / (rate/1000.0)); buffer_size_duration_label.set_text (buf); } +void +EngineControl::midi_option_changed () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + backend->set_midi_option (get_midi_option()); + + vector midi_devices = backend->enumerate_midi_devices(); + + //_midi_devices.clear(); // TODO merge with state-saved settings.. + _can_set_midi_latencies = backend->can_set_systemic_midi_latencies(); + std::vector new_devices; + + for (vector::const_iterator i = midi_devices.begin(); i != midi_devices.end(); ++i) { + MidiDeviceSettings mds = find_midi_device (i->name); + if (i->available && !mds) { + uint32_t input_latency = 0; + uint32_t output_latency = 0; + if (_can_set_midi_latencies) { + input_latency = backend->systemic_midi_input_latency (i->name); + output_latency = backend->systemic_midi_output_latency (i->name); + } + bool enabled = backend->midi_device_enabled (i->name); + MidiDeviceSettings ptr (new MidiDeviceSetting (i->name, enabled, input_latency, output_latency)); + new_devices.push_back (ptr); + } else if (i->available) { + new_devices.push_back (mds); + } + } + _midi_devices = new_devices; + + if (_midi_devices.empty()) { + midi_devices_button.set_sensitive (false); + } else { + midi_devices_button.set_sensitive (true); + } + + if (!ignore_changes) { + save_state (); + } +} + void EngineControl::parameter_changed () { @@ -610,87 +1083,117 @@ EngineControl::parameter_changed () } } -EngineControl::State* -EngineControl::get_matching_state (const string& backend, - const string& driver, - const string& device) +EngineControl::State +EngineControl::get_matching_state ( + const string& backend, + const string& driver, + const string& device) { for (StateList::iterator i = states.begin(); i != states.end(); ++i) { - if ((*i).backend == backend && - (*i).driver == driver && - (*i).device == device) { - return &(*i); + if ((*i)->backend == backend && + (!_have_control || ((*i)->driver == driver && (*i)->device == device))) + { + return (*i); } } - return 0; + return State(); } -EngineControl::State* +EngineControl::State EngineControl::get_saved_state_for_currently_displayed_backend_and_device () { boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); if (backend) { return get_matching_state (backend_combo.get_active_text(), - (backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()), - device_combo.get_active_text()); + (backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()), + device_combo.get_active_text()); } return get_matching_state (backend_combo.get_active_text(), - string(), - device_combo.get_active_text()); + string(), + device_combo.get_active_text()); } -EngineControl::State* +EngineControl::State EngineControl::save_state () { - bool existing = true; - State* state = get_saved_state_for_currently_displayed_backend_and_device (); + State state; - if (!state) { - existing = false; - state = new State; + if (!_have_control) { + state = get_matching_state (backend_combo.get_active_text(), string(), string()); + if (state) { + return state; + } + state.reset(new StateStruct); + state->backend = get_backend (); + } else { + state.reset(new StateStruct); + store_state (state); } - - state->backend = backend_combo.get_active_text (); - state->driver = driver_combo.get_active_text (); - state->device = device_combo.get_active_text (); - state->buffer_size = buffer_size_combo.get_active_text (); - state->sample_rate = sample_rate_combo.get_active_text (); - state->input_latency = (uint32_t) input_latency.get_value(); - state->output_latency = (uint32_t) output_latency.get_value(); - state->input_channels = (uint32_t) input_channels.get_value(); - state->output_channels = (uint32_t) output_channels.get_value(); - if (!existing) { - states.push_back (*state); + for (StateList::iterator i = states.begin(); i != states.end();) { + if ((*i)->backend == state->backend && + (*i)->driver == state->driver && + (*i)->device == state->device) { + i = states.erase(i); + } else { + ++i; + } } + states.push_back (state); + return state; } +void +EngineControl::store_state (State state) +{ + state->backend = get_backend (); + state->driver = get_driver (); + state->device = get_device_name (); + state->sample_rate = get_rate (); + state->buffer_size = get_buffer_size (); + state->input_latency = get_input_latency (); + state->output_latency = get_output_latency (); + state->input_channels = get_input_channels (); + state->output_channels = get_output_channels (); + state->midi_option = get_midi_option (); + state->midi_devices = _midi_devices; +} + void EngineControl::maybe_display_saved_state () { - State* state = get_saved_state_for_currently_displayed_backend_and_device (); + if (!_have_control) { + return; + } + + State state = get_saved_state_for_currently_displayed_backend_and_device (); if (state) { - ignore_changes++; + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + if (!_desired_sample_rate) { - sample_rate_combo.set_active_text (state->sample_rate); + sample_rate_combo.set_active_text (rate_as_string (state->sample_rate)); } - buffer_size_combo.set_active_text (state->buffer_size); + buffer_size_combo.set_active_text (bufsize_as_string (state->buffer_size)); /* call this explicitly because we're ignoring changes to the controls at this point. - */ + */ show_buffer_duration (); input_latency.set_value (state->input_latency); output_latency.set_value (state->output_latency); - ignore_changes--; + + if (!state->midi_option.empty()) { + midi_option_combo.set_active_text (state->midi_option); + _midi_devices = state->midi_devices; + } } } - + XMLNode& EngineControl::get_state () { @@ -699,25 +1202,37 @@ EngineControl::get_state () if (!states.empty()) { XMLNode* state_nodes = new XMLNode ("EngineStates"); - + for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) { - + XMLNode* node = new XMLNode ("State"); - - node->add_property ("backend", (*i).backend); - node->add_property ("driver", (*i).driver); - node->add_property ("device", (*i).device); - node->add_property ("sample-rate", (*i).sample_rate); - node->add_property ("buffer-size", (*i).buffer_size); - node->add_property ("input-latency", (*i).input_latency); - node->add_property ("output-latency", (*i).output_latency); - node->add_property ("input-channels", (*i).input_channels); - node->add_property ("output-channels", (*i).output_channels); - node->add_property ("active", (*i).active ? "yes" : "no"); - + + node->add_property ("backend", (*i)->backend); + node->add_property ("driver", (*i)->driver); + node->add_property ("device", (*i)->device); + node->add_property ("sample-rate", (*i)->sample_rate); + node->add_property ("buffer-size", (*i)->buffer_size); + node->add_property ("input-latency", (*i)->input_latency); + node->add_property ("output-latency", (*i)->output_latency); + node->add_property ("input-channels", (*i)->input_channels); + node->add_property ("output-channels", (*i)->output_channels); + node->add_property ("active", (*i)->active ? "yes" : "no"); + node->add_property ("midi-option", (*i)->midi_option); + + XMLNode* midi_devices = new XMLNode ("MIDIDevices"); + for (std::vector::const_iterator p = (*i)->midi_devices.begin(); p != (*i)->midi_devices.end(); ++p) { + XMLNode* midi_device_stuff = new XMLNode ("MIDIDevice"); + midi_device_stuff->add_property (X_("name"), (*p)->name); + midi_device_stuff->add_property (X_("enabled"), (*p)->enabled); + midi_device_stuff->add_property (X_("input-latency"), (*p)->input_latency); + midi_device_stuff->add_property (X_("output-latency"), (*p)->output_latency); + midi_devices->add_child_nocopy (*midi_device_stuff); + } + node->add_child_nocopy (*midi_devices); + state_nodes->add_child_nocopy (*node); } - + root->add_child_nocopy (*state_nodes); } @@ -744,7 +1259,7 @@ EngineControl::set_state (const XMLNode& root) for (citer = clist.begin(); citer != clist.end(); ++citer) { child = *citer; - + if (child->name() != "EngineStates") { continue; } @@ -752,119 +1267,344 @@ EngineControl::set_state (const XMLNode& root) cclist = child->children(); for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) { - State state; - + State state (new StateStruct); + grandchild = *cciter; if (grandchild->name() != "State") { continue; } - + if ((prop = grandchild->property ("backend")) == 0) { continue; } - state.backend = prop->value (); - + state->backend = prop->value (); + if ((prop = grandchild->property ("driver")) == 0) { continue; } - state.driver = prop->value (); - + state->driver = prop->value (); + if ((prop = grandchild->property ("device")) == 0) { continue; } - state.device = prop->value (); - + state->device = prop->value (); + if ((prop = grandchild->property ("sample-rate")) == 0) { continue; } - state.sample_rate = prop->value (); - + state->sample_rate = atof (prop->value ()); + if ((prop = grandchild->property ("buffer-size")) == 0) { continue; } - state.buffer_size = prop->value (); - + state->buffer_size = atoi (prop->value ()); + if ((prop = grandchild->property ("input-latency")) == 0) { continue; } - state.input_latency = atoi (prop->value ()); - - if ((prop = grandchild->property ("output-latency")) == 0) { - continue; + state->input_latency = atoi (prop->value ()); + + if ((prop = grandchild->property ("output-latency")) == 0) { + continue; + } + state->output_latency = atoi (prop->value ()); + + if ((prop = grandchild->property ("input-channels")) == 0) { + continue; + } + state->input_channels = atoi (prop->value ()); + + if ((prop = grandchild->property ("output-channels")) == 0) { + continue; + } + state->output_channels = atoi (prop->value ()); + + if ((prop = grandchild->property ("active")) == 0) { + continue; + } + state->active = string_is_affirmative (prop->value ()); + + if ((prop = grandchild->property ("midi-option")) == 0) { + continue; + } + state->midi_option = prop->value (); + + state->midi_devices.clear(); + XMLNode* midinode; + if ((midinode = ARDOUR::find_named_node (*grandchild, "MIDIDevices")) != 0) { + const XMLNodeList mnc = midinode->children(); + for (XMLNodeList::const_iterator n = mnc.begin(); n != mnc.end(); ++n) { + if ((*n)->property (X_("name")) == 0 + || (*n)->property (X_("enabled")) == 0 + || (*n)->property (X_("input-latency")) == 0 + || (*n)->property (X_("output-latency")) == 0 + ) { + continue; + } + + MidiDeviceSettings ptr (new MidiDeviceSetting( + (*n)->property (X_("name"))->value (), + string_is_affirmative ((*n)->property (X_("enabled"))->value ()), + atoi ((*n)->property (X_("input-latency"))->value ()), + atoi ((*n)->property (X_("output-latency"))->value ()) + )); + state->midi_devices.push_back (ptr); + } + } + +#if 1 + /* remove accumulated duplicates (due to bug in ealier version) + * this can be removed again before release + */ + for (StateList::iterator i = states.begin(); i != states.end();) { + if ((*i)->backend == state->backend && + (*i)->driver == state->driver && + (*i)->device == state->device) { + i = states.erase(i); + } else { + ++i; + } + } +#endif + + states.push_back (state); + } + } + + /* now see if there was an active state and switch the setup to it */ + + // purge states of backend that are not available in this built + vector backends = ARDOUR::AudioEngine::instance()->available_backends(); + vector backend_names; + + for (vector::const_iterator i = backends.begin(); i != backends.end(); ++i) { + backend_names.push_back((*i)->name); + } + for (StateList::iterator i = states.begin(); i != states.end();) { + if (std::find(backend_names.begin(), backend_names.end(), (*i)->backend) == backend_names.end()) { + i = states.erase(i); + } else { + ++i; + } + } + + for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) { + + if ((*i)->active) { + ignore_changes++; + backend_combo.set_active_text ((*i)->backend); + driver_combo.set_active_text ((*i)->driver); + device_combo.set_active_text ((*i)->device); + sample_rate_combo.set_active_text (rate_as_string ((*i)->sample_rate)); + buffer_size_combo.set_active_text (bufsize_as_string ((*i)->buffer_size)); + input_latency.set_value ((*i)->input_latency); + output_latency.set_value ((*i)->output_latency); + midi_option_combo.set_active_text ((*i)->midi_option); + ignore_changes--; + break; + } + } +} + +int +EngineControl::push_state_to_backend (bool start) +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + + if (!backend) { + return 0; + } + + /* figure out what is going to change */ + + bool restart_required = false; + bool was_running = ARDOUR::AudioEngine::instance()->running(); + bool change_driver = false; + bool change_device = false; + bool change_rate = false; + bool change_bufsize = false; + bool change_latency = false; + bool change_channels = false; + bool change_midi = false; + + uint32_t ochan = get_output_channels (); + uint32_t ichan = get_input_channels (); + + if (_have_control) { + + if (started_at_least_once) { + + /* we can control the backend */ + + if (backend->requires_driver_selection()) { + if (get_driver() != backend->driver_name()) { + change_driver = true; + } + } + + if (get_device_name() != backend->device_name()) { + change_device = true; + } + + if (get_rate() != backend->sample_rate()) { + change_rate = true; + } + + if (get_buffer_size() != backend->buffer_size()) { + change_bufsize = true; + } + + if (get_midi_option() != backend->midi_option()) { + change_midi = true; + } + + /* zero-requested channels means "all available" */ + + if (ichan == 0) { + ichan = backend->input_channels(); } - state.output_latency = atoi (prop->value ()); - - if ((prop = grandchild->property ("input-channels")) == 0) { - continue; + + if (ochan == 0) { + ochan = backend->output_channels(); } - state.input_channels = atoi (prop->value ()); - - if ((prop = grandchild->property ("output-channels")) == 0) { - continue; + + if (ichan != backend->input_channels()) { + change_channels = true; } - state.output_channels = atoi (prop->value ()); - if ((prop = grandchild->property ("active")) == 0) { - continue; + if (ochan != backend->output_channels()) { + change_channels = true; } - state.active = string_is_affirmative (prop->value ()); - - states.push_back (state); + + if (get_input_latency() != backend->systemic_input_latency() || + get_output_latency() != backend->systemic_output_latency()) { + change_latency = true; + } + } else { + /* backend never started, so we have to force a group + of settings. + */ + change_device = true; + if (backend->requires_driver_selection()) { + change_driver = true; + } + change_rate = true; + change_bufsize = true; + change_channels = true; + change_latency = true; + change_midi = true; } - } - /* now see if there was an active state and switch the setup to it */ - - for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) { - if ((*i).active) { - ignore_changes++; - backend_combo.set_active_text ((*i).backend); - driver_combo.set_active_text ((*i).driver); - device_combo.set_active_text ((*i).device); - sample_rate_combo.set_active_text ((*i).sample_rate); - buffer_size_combo.set_active_text ((*i).buffer_size); - input_latency.set_value ((*i).input_latency); - output_latency.set_value ((*i).output_latency); - ignore_changes--; + } else { - push_state_to_backend (false); - break; + /* we have no control over the backend, meaning that we can + * only possibly change sample rate and buffer size. + */ + + + if (get_rate() != backend->sample_rate()) { + change_bufsize = true; + } + + if (get_buffer_size() != backend->buffer_size()) { + change_bufsize = true; } } -} + if (!_have_control) { -int -EngineControl::push_state_to_backend (bool start) -{ - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + /* We do not have control over the backend, so the best we can + * do is try to change the sample rate and/or bufsize and get + * out of here. + */ - if (!backend) { - return 0; - } + if (change_rate && !backend->can_change_sample_rate_when_running()) { + return 1; + } + + if (change_bufsize && !backend->can_change_buffer_size_when_running()) { + return 1; + } + + if (change_rate) { + backend->set_sample_rate (get_rate()); + } - /* grab the parameters from the GUI and apply them */ + if (change_bufsize) { + backend->set_buffer_size (get_buffer_size()); + } - try { - if (backend->requires_driver_selection()) { - if (backend->set_driver (get_driver())) { + if (start) { + if (ARDOUR::AudioEngine::instance()->start ()) { + error << string_compose (_("Could not start backend engine %1"), backend->name()) << endmsg; return -1; } } - if (backend->set_device_name (get_device_name())) { - return -1; - } + post_push (); - if (backend->set_sample_rate (get_rate())) { - error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg; - return -1; + return 0; + } + + /* determine if we need to stop the backend before changing parameters */ + + if (change_driver || change_device || change_channels || change_latency || + (change_rate && !backend->can_change_sample_rate_when_running()) || + change_midi || + (change_bufsize && !backend->can_change_buffer_size_when_running())) { + restart_required = true; + } else { + restart_required = false; + } + + if (was_running) { + + if (!change_driver && !change_device && !change_channels && !change_latency && !change_midi) { + /* no changes in any parameters that absolutely require a + * restart, so check those that might be changeable without a + * restart + */ + + if (change_rate && !backend->can_change_sample_rate_when_running()) { + /* can't do this while running ... */ + restart_required = true; + } + + if (change_bufsize && !backend->can_change_buffer_size_when_running()) { + /* can't do this while running ... */ + restart_required = true; + } } - if (backend->set_buffer_size (get_buffer_size())) { - error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg; - return -1; + } + + if (was_running) { + if (restart_required) { + if (ARDOUR_UI::instance()->disconnect_from_engine ()) { + return -1; + } } + } + + + if (change_driver && backend->set_driver (get_driver())) { + error << string_compose (_("Cannot set driver to %1"), get_driver()) << endmsg; + return -1; + } + if (change_device && backend->set_device_name (get_device_name())) { + error << string_compose (_("Cannot set device name to %1"), get_device_name()) << endmsg; + return -1; + } + if (change_rate && backend->set_sample_rate (get_rate())) { + error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg; + return -1; + } + if (change_bufsize && backend->set_buffer_size (get_buffer_size())) { + error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg; + return -1; + } + + if (change_channels || get_input_channels() == 0 || get_output_channels() == 0) { if (backend->set_input_channels (get_input_channels())) { error << string_compose (_("Cannot set input channels to %1"), get_input_channels()) << endmsg; return -1; @@ -873,6 +1613,8 @@ EngineControl::push_state_to_backend (bool start) error << string_compose (_("Cannot set output channels to %1"), get_output_channels()) << endmsg; return -1; } + } + if (change_latency) { if (backend->set_systemic_input_latency (get_input_latency())) { error << string_compose (_("Cannot set input latency to %1"), get_input_latency()) << endmsg; return -1; @@ -881,58 +1623,90 @@ EngineControl::push_state_to_backend (bool start) error << string_compose (_("Cannot set output latency to %1"), get_output_latency()) << endmsg; return -1; } + } - /* get a pointer to the current state object, creating one if - * necessary - */ + if (change_midi) { + backend->set_midi_option (get_midi_option()); + } - State* state = get_saved_state_for_currently_displayed_backend_and_device (); + if (1 /* TODO */) { + for (vector::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) { + if (_measure_midi) { + if (*p == _measure_midi) { + backend->set_midi_device_enabled ((*p)->name, true); + } else { + backend->set_midi_device_enabled ((*p)->name, false); + } + continue; + } + backend->set_midi_device_enabled ((*p)->name, (*p)->enabled); + if (backend->can_set_systemic_midi_latencies()) { + backend->set_systemic_midi_input_latency ((*p)->name, (*p)->input_latency); + backend->set_systemic_midi_output_latency ((*p)->name, (*p)->output_latency); + } + } + } - if (!state) { - state = save_state (); - assert (state); + if (start || (was_running && restart_required)) { + if (ARDOUR_UI::instance()->reconnect_to_engine()) { + return -1; } + } - /* all off */ + post_push (); - for (StateList::iterator i = states.begin(); i != states.end(); ++i) { - (*i).active = false; - } + return 0; +} - /* mark this one active (to be used next time the dialog is - * shown) - */ +void +EngineControl::post_push () +{ + /* get a pointer to the current state object, creating one if + * necessary + */ - state->active = true; - - if (start) { - if (ARDOUR::AudioEngine::instance()->start()) { - return -1; - } - } + State state = get_saved_state_for_currently_displayed_backend_and_device (); - manage_control_app_sensitivity (); - return 0; + if (!state) { + state = save_state (); + assert (state); + } - } catch (...) { - cerr << "exception thrown...\n"; - return -1; + /* all off */ + + for (StateList::iterator i = states.begin(); i != states.end(); ++i) { + (*i)->active = false; + } + + /* mark this one active (to be used next time the dialog is + * shown) + */ + + state->active = true; + + if (_have_control) { // XXX + manage_control_app_sensitivity (); } + + /* schedule a redisplay of MIDI ports */ + //Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &EngineControl::refresh_midi_display), false), 1000); } -uint32_t + +float EngineControl::get_rate () const { - double r = atof (sample_rate_combo.get_active_text ()); + float r = atof (sample_rate_combo.get_active_text ()); /* the string may have been translated with an abbreviation for * thousands, so use a crude heuristic to fix this. */ if (r < 1000.0) { r *= 1000.0; } - return lrint (r); + return r; } + uint32_t EngineControl::get_buffer_size () const { @@ -946,6 +1720,12 @@ EngineControl::get_buffer_size () const return samples; } +string +EngineControl::get_midi_option () const +{ + return midi_option_combo.get_active_text(); +} + uint32_t EngineControl::get_input_channels() const { @@ -970,10 +1750,20 @@ EngineControl::get_output_latency() const return (uint32_t) output_latency_adjustment.get_value(); } +string +EngineControl::get_backend () const +{ + return backend_combo.get_active_text (); +} + string EngineControl::get_driver () const { - return driver_combo.get_active_text (); + if (driver_combo.get_sensitive() && driver_combo.get_parent()) { + return driver_combo.get_active_text (); + } else { + return ""; + } } string @@ -986,11 +1776,11 @@ void EngineControl::control_app_button_clicked () { boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - + if (!backend) { return; } - + backend->launch_control_app (); } @@ -998,11 +1788,11 @@ void EngineControl::manage_control_app_sensitivity () { boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - + if (!backend) { return; } - + string appname = backend->control_app_name(); if (appname.empty()) { @@ -1022,147 +1812,344 @@ EngineControl::set_desired_sample_rate (uint32_t sr) void EngineControl::on_switch_page (GtkNotebookPage*, guint page_num) { - if (page_num == 2) { + if (page_num == 0) { + cancel_button->set_sensitive (true); + ok_button->set_sensitive (true); + apply_button->set_sensitive (true); + _measure_midi.reset(); + } else { + cancel_button->set_sensitive (false); + ok_button->set_sensitive (false); + apply_button->set_sensitive (false); + } + + if (page_num == midi_tab) { + /* MIDI tab */ + refresh_midi_display (); + } + + if (page_num == latency_tab) { /* latency tab */ - if (!ARDOUR::AudioEngine::instance()->running()) { - + if (ARDOUR::AudioEngine::instance()->running()) { + // TODO - mark as 'stopped for latency + ARDOUR_UI::instance()->disconnect_from_engine (); + } + + { PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); - + /* save any existing latency values */ - + uint32_t il = (uint32_t) input_latency.get_value (); uint32_t ol = (uint32_t) input_latency.get_value (); - /* reset to zero so that our new test instance of JACK + /* reset to zero so that our new test instance will be clean of any existing latency measures. + + NB. this should really be done by the backend + when stated for latency measurement. */ - + input_latency.set_value (0); output_latency.set_value (0); - + push_state_to_backend (false); /* reset control */ input_latency.set_value (il); output_latency.set_value (ol); - } + } + // This should be done in push_state_to_backend() if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) { disable_latency_tab (); } enable_latency_tab (); - cancel_button->set_sensitive (false); - ok_button->set_sensitive (false); - apply_button->set_sensitive (false); - } else { - ARDOUR::AudioEngine::instance()->stop_latency_detection(); - - cancel_button->set_sensitive (true); - ok_button->set_sensitive (true); - apply_button->set_sensitive (true); + if (lm_running) { + end_latency_detection (); + ARDOUR::AudioEngine::instance()->stop_latency_detection(); + } } } /* latency measurement */ bool -EngineControl::check_latency_measurement () +EngineControl::check_audio_latency_measurement () { - MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); + MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); - if (mtdm->resolve () < 0) { - lm_results.set_markup (string_compose ("%1", _("No signal detected "))); - return true; - } + if (mtdm->resolve () < 0) { + lm_results.set_markup (string_compose (results_markup, _("No signal detected "))); + return true; + } - if (mtdm->err () > 0.3) { - mtdm->invert (); - mtdm->resolve (); - } + if (mtdm->err () > 0.3) { + mtdm->invert (); + mtdm->resolve (); + } - char buf[128]; + char buf[256]; ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate(); - if (sample_rate == 0) { - lm_results.set_text (_("Disconnected from audio engine")); + if (sample_rate == 0) { + lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine"))); ARDOUR::AudioEngine::instance()->stop_latency_detection (); - return false; - } + return false; + } - uint32_t frames_total = mtdm->del(); - cerr << "total = " << frames_total << " delay = " << ARDOUR::AudioEngine::instance()->latency_signal_delay() << endl; - uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); + int frames_total = mtdm->del(); + int extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); - snprintf (buf, sizeof (buf), "%u samples %10.3lf ms", extra, extra * 1000.0f/sample_rate); + snprintf (buf, sizeof (buf), "%s%d samples (%.3lf ms)\n%s%d samples (%.3lf ms)", + _("Detected roundtrip latency: "), + frames_total, frames_total * 1000.0f/sample_rate, + _("Systemic latency: "), + extra, extra * 1000.0f/sample_rate); - bool solid = true; + bool solid = true; - if (mtdm->err () > 0.2) { - strcat (buf, " ??"); - solid = false; - } + if (mtdm->err () > 0.2) { + strcat (buf, " "); + strcat (buf, _("(signal detection error)")); + solid = false; + } - if (mtdm->inv ()) { - strcat (buf, " (Inv)"); - solid = false; - } + if (mtdm->inv ()) { + strcat (buf, " "); + strcat (buf, _("(inverted - bad wiring)")); + solid = false; + } - if (solid) { - lm_measure_button.set_active (false); + if (solid) { + have_lm_results = true; + end_latency_detection (); lm_use_button.set_sensitive (true); - strcat (buf, " (set)"); + return false; + } + + lm_results.set_markup (string_compose (results_markup, buf)); + + return true; +} + +bool +EngineControl::check_midi_latency_measurement () +{ + ARDOUR::MIDIDM* mididm = ARDOUR::AudioEngine::instance()->mididm (); + + if (!mididm->have_signal () || mididm->latency () == 0) { + lm_results.set_markup (string_compose (results_markup, _("No signal detected "))); + return true; + } + + char buf[256]; + ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate(); + + if (sample_rate == 0) { + lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine"))); + ARDOUR::AudioEngine::instance()->stop_latency_detection (); + return false; + } + + ARDOUR::framecnt_t frames_total = mididm->latency(); + ARDOUR::framecnt_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); + snprintf (buf, sizeof (buf), "%s%" PRId64" samples (%.1lf ms) dev: %.2f[spl]\n%s%" PRId64" samples (%.1lf ms)", + _("Detected roundtrip latency: "), + frames_total, frames_total * 1000.0f / sample_rate, mididm->deviation (), + _("Systemic latency: "), + extra, extra * 1000.0f / sample_rate); + + bool solid = true; + + if (!mididm->ok ()) { + strcat (buf, " "); + strcat (buf, _("(averaging)")); + solid = false; + } + + if (mididm->deviation () > 50.0) { + strcat (buf, " "); + strcat (buf, _("(too large jitter)")); + solid = false; + } else if (mididm->deviation () > 10.0) { + strcat (buf, " "); + strcat (buf, _("(large jitter)")); + } + + if (solid) { have_lm_results = true; - } - - lm_results.set_text (buf); + end_latency_detection (); + lm_use_button.set_sensitive (true); + return false; + } else if (mididm->processed () > 400) { + have_lm_results = false; + end_latency_detection (); + lm_results.set_markup (string_compose (results_markup, _("Timeout - large MIDI jitter."))); + return false; + } + + lm_results.set_markup (string_compose (results_markup, buf)); - return true; + return true; } void -EngineControl::latency_button_toggled () +EngineControl::start_latency_detection () { - if (lm_measure_button.get_active ()) { - - ARDOUR::AudioEngine::instance()->set_latency_input_port (lm_input_channel_combo.get_active_text()); - ARDOUR::AudioEngine::instance()->set_latency_output_port (lm_output_channel_combo.get_active_text()); - ARDOUR::AudioEngine::instance()->start_latency_detection (); - lm_results.set_text (_("Detecting ...")); - latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_latency_measurement), 250); - lm_start_stop_label.set_text (_("Cancel measurement")); + ARDOUR::AudioEngine::instance()->set_latency_input_port (lm_input_channel_combo.get_active_text()); + ARDOUR::AudioEngine::instance()->set_latency_output_port (lm_output_channel_combo.get_active_text()); + + if (ARDOUR::AudioEngine::instance()->start_latency_detection (_measure_midi ? true : false) == 0) { + lm_results.set_markup (string_compose (results_markup, _("Detecting ..."))); + if (_measure_midi) { + latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_midi_latency_measurement), 100); + } else { + latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_audio_latency_measurement), 100); + } + lm_measure_label.set_text (_("Cancel")); have_lm_results = false; + lm_use_button.set_sensitive (false); lm_input_channel_combo.set_sensitive (false); lm_output_channel_combo.set_sensitive (false); + lm_running = true; + } +} + +void +EngineControl::end_latency_detection () +{ + latency_timeout.disconnect (); + ARDOUR::AudioEngine::instance()->stop_latency_detection (); + lm_measure_label.set_text (_("Measure")); + if (!have_lm_results) { + lm_use_button.set_sensitive (false); + } + lm_input_channel_combo.set_sensitive (true); + lm_output_channel_combo.set_sensitive (true); + lm_running = false; +} + +void +EngineControl::latency_button_clicked () +{ + if (!lm_running) { + start_latency_detection (); } else { - ARDOUR::AudioEngine::instance()->stop_latency_detection (); - latency_timeout.disconnect (); - lm_start_stop_label.set_text (_("Measure latency")); - if (!have_lm_results) { - lm_results.set_markup ("No measurement results yet"); - } - lm_input_channel_combo.set_sensitive (true); - lm_output_channel_combo.set_sensitive (true); - } + end_latency_detection (); + } } void EngineControl::use_latency_button_clicked () { - MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); + if (_measure_midi) { + ARDOUR::MIDIDM* mididm = ARDOUR::AudioEngine::instance()->mididm (); + if (!mididm) { + return; + } + ARDOUR::framecnt_t frames_total = mididm->latency(); + ARDOUR::framecnt_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); + uint32_t one_way = max ((ARDOUR::framecnt_t) 0, extra / 2); + _measure_midi->input_latency = one_way; + _measure_midi->output_latency = one_way; + notebook.set_current_page (midi_tab); + } else { + MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); + + if (!mtdm) { + return; + } + + double one_way = rint ((mtdm->del() - ARDOUR::AudioEngine::instance()->latency_signal_delay()) / 2.0); + one_way = std::max (0., one_way); + + input_latency_adjustment.set_value (one_way); + output_latency_adjustment.set_value (one_way); + + /* back to settings page */ + notebook.set_current_page (0); +} + } + + +bool +EngineControl::on_delete_event (GdkEventAny* ev) +{ + if (notebook.get_current_page() == 2) { + /* currently on latency tab - be sure to clean up */ + end_latency_detection (); + } + return ArdourDialog::on_delete_event (ev); +} - if (!mtdm) { - return; +void +EngineControl::engine_running () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + buffer_size_combo.set_active_text (bufsize_as_string (backend->buffer_size())); + sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate())); + + buffer_size_combo.set_sensitive (true); + sample_rate_combo.set_sensitive (true); + + connect_disconnect_button.set_label (string_compose (_("Disconnect from %1"), backend->name())); + + started_at_least_once = true; +} + +void +EngineControl::engine_stopped () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + buffer_size_combo.set_sensitive (false); + connect_disconnect_button.set_label (string_compose (_("Connect to %1"), backend->name())); + + sample_rate_combo.set_sensitive (true); + buffer_size_combo.set_sensitive (true); +} + +void +EngineControl::connect_disconnect_click() +{ + if (ARDOUR::AudioEngine::instance()->running()) { + ARDOUR_UI::instance()->disconnect_from_engine (); + } else { + ARDOUR_UI::instance()->reconnect_to_engine (); } +} + +void +EngineControl::calibrate_audio_latency () +{ + _measure_midi.reset (); + have_lm_results = false; + lm_use_button.set_sensitive (false); + lm_results.set_markup (string_compose (results_markup, _("No measurement results yet"))); + notebook.set_current_page (latency_tab); +} - uint32_t frames_total = mtdm->del(); - uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); - uint32_t one_way = extra/2; +void +EngineControl::calibrate_midi_latency (MidiDeviceSettings s) +{ + _measure_midi = s; + have_lm_results = false; + lm_use_button.set_sensitive (false); + lm_results.set_markup (string_compose (results_markup, _("No measurement results yet"))); + notebook.set_current_page (latency_tab); +} - input_latency_adjustment.set_value (one_way); - output_latency_adjustment.set_value (one_way); +void +EngineControl::configure_midi_devices () +{ + notebook.set_current_page (midi_tab); }