diff options
| -rw-r--r-- | gtk2_ardour/engine_dialog.cc | 2785 | ||||
| -rw-r--r-- | gtk2_ardour/engine_dialog.h | 9 |
2 files changed, 1420 insertions, 1374 deletions
diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc index 63c817d70c..84cb768096 100644 --- a/gtk2_ardour/engine_dialog.cc +++ b/gtk2_ardour/engine_dialog.cc @@ -61,9 +61,11 @@ using namespace Glib; static const unsigned int midi_tab = -1; /* not currently in use */ static const unsigned int latency_tab = 1; /* zero-based, page zero is the main setup page */ +static const char* results_markup = X_("<span foreground=\"red\" style=\"italic\" size=\"larger\">%1</span>"); + EngineControl::EngineControl () : ArdourDialog (_("Audio/MIDI Setup")) - , basic_packer (9, 3) + , basic_packer (9, 4) , input_latency_adjustment (0, 0, 99999, 1) , input_latency (input_latency_adjustment) , output_latency_adjustment (0, 0, 99999, 1) @@ -75,10 +77,13 @@ EngineControl::EngineControl () , ports_adjustment (128, 8, 1024, 1, 16) , ports_spinner (ports_adjustment) , control_app_button (_("Device Control Panel")) - , lm_start_stop_label (_("Measure latency")) + , lm_measure_button (_("Measure")) , lm_use_button (_("Use results")) - , lm_table (5, 2) + , lm_back_button (_("Back to settings ... (ignore results)")) + , lm_button (_("Calibrate...")) + , lm_table (12, 3) , have_lm_results (false) + , lm_running (false) , midi_refresh_button (_("Refresh list")) , ignore_changes (0) , _desired_sample_rate (0) @@ -118,7 +123,7 @@ EngineControl::EngineControl () basic_packer.set_spacings (6); basic_packer.set_border_width (12); - basic_packer.set_homogeneous (true); + basic_packer.set_homogeneous (false); /* pack it in */ @@ -132,8 +137,10 @@ EngineControl::EngineControl () row = 0; lm_table.set_row_spacings (12); - - lm_table.attach (lm_title, 0, 2, row, row+1, xopt, (AttachOptions) 0); + 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++; Gtk::Label* preamble; @@ -141,17 +148,17 @@ EngineControl::EngineControl () preamble = manage (new Label); preamble->set_width_chars (60); preamble->set_line_wrap (true); - preamble->set_markup (_("<span weight=\"bold\">Turn down the volume on your hardware to a very low level.</span>")); + preamble->set_markup (_("<span weight=\"bold\">Turn down the volume on your audio equipment to a very low level.</span>")); - lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + 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 (_("Select two channels below and connect them using a cable or (less ideally) a speaker and microphone.")); + preamble->set_markup (_("Select two channels below and connect them using a cable.")); - lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); row++; label = manage (new Label (_("Output channel"))); @@ -159,7 +166,7 @@ EngineControl::EngineControl () 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); + lm_table.attach (*misc_align, 1, 3, row, row+1, xopt, (AttachOptions) 0); ++row; label = manage (new Label (_("Input channel"))); @@ -167,41 +174,61 @@ EngineControl::EngineControl () 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); + lm_table.attach (*misc_align, 1, 3, row, row+1, FILL, (AttachOptions) 0); ++row; xopt = AttachOptions(0); - lm_measure_button.add (lm_start_stop_label); - - lm_measure_button.signal_toggled().connect (sigc::mem_fun (*this, &EngineControl::latency_button_toggled)); + 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_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<Gtk::Misc*>(lm_measure_button.get_child())) != 0) { + l->set_padding (10, 10); + } + + if ((l = dynamic_cast<Gtk::Misc*>(lm_use_button.get_child())) != 0) { + l->set_padding (10, 10); + } + + if ((l = dynamic_cast<Gtk::Misc*>(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 latency\" button.")); - lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + 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++; - 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; - - 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++; + lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); - lm_table.attach (lm_use_button, 0, 2, row, row+1, xopt, (AttachOptions) 0); - ++row; + ++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); - lm_results.set_markup ("<i>No measurement results yet</i>"); + ++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); @@ -213,7 +240,7 @@ EngineControl::EngineControl () notebook.pages().push_back (TabElem (lm_vbox, _("Latency"))); notebook.set_border_width (12); - notebook.set_tab_pos (POS_RIGHT); + notebook.set_show_tabs (false); notebook.show_all (); notebook.set_name ("SettingsNotebook"); @@ -240,7 +267,7 @@ EngineControl::EngineControl () /* Pick up any existing audio setup configuration, if appropriate */ XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup"); - + 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()); @@ -267,1378 +294,1385 @@ EngineControl::EngineControl () notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page)); no_push = false; -} - -void -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; - 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 () -{ - Label* label; - AttachOptions xopt = AttachOptions (FILL|EXPAND); - - /* clear the table */ - - Gtkmm2ext::container_clear (basic_vbox); - Gtkmm2ext::container_clear (basic_packer); - - 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); - - 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); - } - - basic_vbox.show_all (); -} - -void -EngineControl::build_full_control_notebook () -{ - boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); - - using namespace Notebook_Helpers; - Label* label; - vector<string> strings; - AttachOptions xopt = AttachOptions (FILL|EXPAND); - int row = 1; // row zero == backend combo - - /* start packing it up */ - - 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); - basic_packer.attach (device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); - row++; - - 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++; - - - 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++; - - 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); - ++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; - - 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, xopt, (AttachOptions) 0); - row++; -} - -void -EngineControl::build_no_control_notebook () -{ - boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); - - using namespace Notebook_Helpers; - Label* label; - vector<string> 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()); - - label = manage (new Label); - label->set_markup (string_compose ("<span weight=\"bold\" foreground=\"red\">%1</span>", msg)); - basic_packer.attach (*label, 0, 2, row, row + 1, xopt, (AttachOptions) 0); - row++; - - 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++; - } - - 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++; - } - - connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click)); - - basic_packer.attach (connect_disconnect_button, 0, 2, row, row+1, FILL, AttachOptions (0)); - row++; -} - -EngineControl::~EngineControl () -{ - -} - -void -EngineControl::disable_latency_tab () -{ - vector<string> 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); -} - -void -EngineControl::enable_latency_tab () -{ - vector<string> 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<string> 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::setup_midi_tab_for_backend () -{ - string backend = backend_combo.get_active_text (); - - Gtkmm2ext::container_clear (midi_vbox); - - midi_vbox.set_border_width (12); - midi_device_table.set_border_width (12); - - if (backend == "JACK") { - setup_midi_tab_for_jack (); - } - - midi_vbox.pack_start (midi_device_table, true, true); - midi_vbox.pack_start (midi_refresh_button, false, false); - midi_vbox.show_all (); - - midi_refresh_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::refresh_midi_display)); -} - -void -EngineControl::setup_midi_tab_for_jack () -{ -} - -void -EngineControl::refresh_midi_display () -{ - boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); - - vector<string> midi_inputs; - vector<string> midi_outputs; - int row = 0; - AttachOptions xopt = AttachOptions (FILL|EXPAND); - Gtk::Label* l; - - Gtkmm2ext::container_clear (midi_device_table); - - backend->get_physical_inputs (ARDOUR::DataType::MIDI, midi_inputs); - backend->get_physical_outputs (ARDOUR::DataType::MIDI, midi_outputs); - - midi_device_table.set_spacings (6); - midi_device_table.set_homogeneous (true); - midi_device_table.resize (midi_inputs.size() + midi_outputs.size() + 3, 1); - - l = manage (new Label); - l->set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("MIDI Inputs"))); - midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); - l->set_alignment (0, 0.5); - row++; - l->show (); - - for (vector<string>::iterator p = midi_inputs.begin(); p != midi_inputs.end(); ++p) { - l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1))); - l->set_alignment (0, 0.5); - midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); - l->show (); - row++; - } - - row++; // extra row of spacing - - l = manage (new Label); - l->set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("MIDI Outputs"))); - midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); - l->set_alignment (0, 0.5); - row++; - l->show (); - - for (vector<string>::iterator p = midi_outputs.begin(); p != midi_outputs.end(); ++p) { - l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1))); - l->set_alignment (0, 0.5); - midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); - l->show (); - row++; - } -} - -void -EngineControl::update_sensitivity () -{ -} - -void -EngineControl::backend_changed () -{ - if (ignore_changes) { - return; - } - - string backend_name = backend_combo.get_active_text(); - boost::shared_ptr<ARDOUR::AudioBackend> backend; - - if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, "ardour", ""))) { - /* eh? setting the backend failed... how ? */ - return; - } - - _have_control = ARDOUR::AudioEngine::instance()->setup_required (); - - build_notebook (); - setup_midi_tab_for_backend (); - - if (backend->requires_driver_selection()) { - vector<string> drivers = backend->enumerate_drivers(); - - if (!drivers.empty()) { - { - PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); - set_popdown_strings (driver_combo, drivers); - driver_combo.set_active_text (drivers.front()); - } - - 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 + } + + void + 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; + 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 () + { + Label* label; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + + /* clear the table */ + + Gtkmm2ext::container_clear (basic_vbox); + Gtkmm2ext::container_clear (basic_packer); + + 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); + + lm_button.signal_clicked.connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), latency_tab)); + lm_button.set_name ("record enable button"); + 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); + } + + basic_vbox.show_all (); + } + + void + EngineControl::build_full_control_notebook () + { + boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + using namespace Notebook_Helpers; + Label* label; + vector<string> strings; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + int row = 1; // row zero == backend combo + + /* start packing it up */ + + 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); + basic_packer.attach (device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + + 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++; + + + 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, 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, 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, SHRINK, (AttachOptions) 0); + + /* button spans 2 rows */ + + basic_packer.attach (lm_button, 3, 4, row-1, row+1, xopt, xopt); + ++row; + + 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); + row++; + } + + void + EngineControl::build_no_control_notebook () + { + boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + using namespace Notebook_Helpers; + Label* label; + vector<string> 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()); + + label = manage (new Label); + label->set_markup (string_compose ("<span weight=\"bold\" foreground=\"red\">%1</span>", msg)); + basic_packer.attach (*label, 0, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + + 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++; + } + + 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++; + } + + connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click)); + + basic_packer.attach (connect_disconnect_button, 0, 2, row, row+1, FILL, AttachOptions (0)); + row++; + } + + EngineControl::~EngineControl () + { + + } + + void + EngineControl::disable_latency_tab () + { + vector<string> 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); + } + + void + EngineControl::enable_latency_tab () + { + vector<string> 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<string> 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::setup_midi_tab_for_backend () + { + string backend = backend_combo.get_active_text (); + + Gtkmm2ext::container_clear (midi_vbox); + + midi_vbox.set_border_width (12); + midi_device_table.set_border_width (12); + + if (backend == "JACK") { + setup_midi_tab_for_jack (); + } + + midi_vbox.pack_start (midi_device_table, true, true); + midi_vbox.pack_start (midi_refresh_button, false, false); + midi_vbox.show_all (); + + midi_refresh_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::refresh_midi_display)); + } + + void + EngineControl::setup_midi_tab_for_jack () + { + } + + void + EngineControl::refresh_midi_display () + { + boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + vector<string> midi_inputs; + vector<string> midi_outputs; + int row = 0; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + Gtk::Label* l; + + Gtkmm2ext::container_clear (midi_device_table); + + backend->get_physical_inputs (ARDOUR::DataType::MIDI, midi_inputs); + backend->get_physical_outputs (ARDOUR::DataType::MIDI, midi_outputs); + + midi_device_table.set_spacings (6); + midi_device_table.set_homogeneous (true); + midi_device_table.resize (midi_inputs.size() + midi_outputs.size() + 3, 1); + + l = manage (new Label); + l->set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("MIDI Inputs"))); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->set_alignment (0, 0.5); + row++; + l->show (); + + for (vector<string>::iterator p = midi_inputs.begin(); p != midi_inputs.end(); ++p) { + l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1))); + l->set_alignment (0, 0.5); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->show (); + row++; + } + + row++; // extra row of spacing + + l = manage (new Label); + l->set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("MIDI Outputs"))); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->set_alignment (0, 0.5); + row++; + l->show (); + + for (vector<string>::iterator p = midi_outputs.begin(); p != midi_outputs.end(); ++p) { + l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1))); + l->set_alignment (0, 0.5); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->show (); + row++; + } + } + + void + EngineControl::update_sensitivity () + { + } + + void + EngineControl::backend_changed () + { + if (ignore_changes) { + return; + } + + string backend_name = backend_combo.get_active_text(); + boost::shared_ptr<ARDOUR::AudioBackend> backend; + + if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, "ardour", ""))) { + /* eh? setting the backend failed... how ? */ + return; + } + + _have_control = ARDOUR::AudioEngine::instance()->setup_required (); + + build_notebook (); + setup_midi_tab_for_backend (); + + if (backend->requires_driver_selection()) { + vector<string> drivers = backend->enumerate_drivers(); + + if (!drivers.empty()) { + { + PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); + set_popdown_strings (driver_combo, drivers); + driver_combo.set_active_text (drivers.front()); + } + + 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 (); + } + + vector<string> 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); + } + } + + maybe_display_saved_state (); + } + + bool + EngineControl::print_channel_count (Gtk::SpinButton* sb) + { + uint32_t cnt = (uint32_t) sb->get_value(); + if (cnt == 0) { + sb->set_text (_("all available channels")); + } else { + char buf[32]; + snprintf (buf, sizeof (buf), "%d", cnt); + sb->set_text (buf); + } + return true; + } + + void + EngineControl::list_devices () + { + boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + /* now fill out devices, mark sample rates, buffer sizes insensitive */ + + vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_devices (); + + /* NOTE: Ardour currently does not display the "available" field of the + * returned devices. + * + * Doing so would require a different GUI widget than the combo + * box/popdown that we currently use, since it has no way to list + * items that are not selectable. Something more like a popup menu, + * which could have unselectable items, would be appropriate. + */ + + vector<string> available_devices; + + for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) { + available_devices.push_back (i->name); + } + + if (!available_devices.empty()) { + + update_sensitivity (); + + { + PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); + set_popdown_strings (device_combo, available_devices); + device_combo.set_active_text (available_devices.front()); + } + + device_changed (); + + ok_button->set_sensitive (true); + apply_button->set_sensitive (true); + + } else { + 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); + ok_button->set_sensitive (false); + apply_button->set_sensitive (false); + } + } + + void + EngineControl::driver_changed () + { + if (ignore_changes) { + return; + } + + boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + backend->set_driver (driver_combo.get_active_text()); + list_devices (); + + maybe_display_saved_state (); + } + + void + EngineControl::device_changed () + { + if (ignore_changes) { + return; + } + + boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + string device_name = device_combo.get_active_text (); + vector<string> s; + + { + PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); + + /* don't allow programmatic change to combos to cause a + recursive call to this method. */ - list_devices (); - } - - vector<string> 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); - } - } - maybe_display_saved_state (); -} - -bool -EngineControl::print_channel_count (Gtk::SpinButton* sb) -{ - uint32_t cnt = (uint32_t) sb->get_value(); - if (cnt == 0) { - sb->set_text (_("all available channels")); - } else { - char buf[32]; - snprintf (buf, sizeof (buf), "%d", cnt); - sb->set_text (buf); - } - return true; -} - -void -EngineControl::list_devices () -{ - boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); - - /* now fill out devices, mark sample rates, buffer sizes insensitive */ - - vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_devices (); - - /* NOTE: Ardour currently does not display the "available" field of the - * returned devices. - * - * Doing so would require a different GUI widget than the combo - * box/popdown that we currently use, since it has no way to list - * items that are not selectable. Something more like a popup menu, - * which could have unselectable items, would be appropriate. + /* sample rates */ + + string desired; + + vector<float> sr; + + if (_have_control) { + sr = backend->available_sample_rates (device_name); + } else { + + 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); + } + + for (vector<float>::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()) { + sample_rate_combo.set_sensitive (true); + set_popdown_strings (sample_rate_combo, s); + + if (desired.empty()) { + sample_rate_combo.set_active_text (s.front()); + } else { + sample_rate_combo.set_active_text (desired); + } + + } else { + sample_rate_combo.set_sensitive (false); + } + + /* buffer sizes */ + + vector<uint32_t> 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<uint32_t>::const_iterator x = bs.begin(); x != bs.end(); ++x) { + s.push_back (bufsize_as_string (*x)); + } + + if (!s.empty()) { + buffer_size_combo.set_sensitive (true); + set_popdown_strings (buffer_size_combo, s); + + buffer_size_combo.set_active_text (s.front()); + show_buffer_duration (); + } else { + buffer_size_combo.set_sensitive (false); + } + + /* XXX theoretically need to set min + max channel counts here + */ + + manage_control_app_sensitivity (); + } + + /* pick up any saved state for this device */ + + maybe_display_saved_state (); + + /* and push it to the backend */ + + 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. */ - - vector<string> available_devices; - - for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) { - available_devices.push_back (i->name); - } - - if (!available_devices.empty()) { - - update_sensitivity (); - - { - PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); - set_popdown_strings (device_combo, available_devices); - device_combo.set_active_text (available_devices.front()); - } - - device_changed (); - - ok_button->set_sensitive (true); - apply_button->set_sensitive (true); - - } else { - 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); - ok_button->set_sensitive (false); - apply_button->set_sensitive (false); - } -} - -void -EngineControl::driver_changed () -{ - if (ignore_changes) { - return; - } - - boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); - - backend->set_driver (driver_combo.get_active_text()); - list_devices (); - - maybe_display_saved_state (); -} - -void -EngineControl::device_changed () -{ - if (ignore_changes) { - return; - } - - boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); - string device_name = device_combo.get_active_text (); - vector<string> s; - - { - PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); - - /* don't allow programmatic change to combos to cause a - recursive call to this method. - */ - - /* sample rates */ - - string desired; - - vector<float> sr; - - if (_have_control) { - sr = backend->available_sample_rates (device_name); - } else { - - 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); - } - - for (vector<float>::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()) { - sample_rate_combo.set_sensitive (true); - set_popdown_strings (sample_rate_combo, s); - - if (desired.empty()) { - sample_rate_combo.set_active_text (s.front()); - } else { - sample_rate_combo.set_active_text (desired); - } - - } else { - sample_rate_combo.set_sensitive (false); - } - - /* buffer sizes */ - - vector<uint32_t> 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<uint32_t>::const_iterator x = bs.begin(); x != bs.end(); ++x) { - s.push_back (bufsize_as_string (*x)); - } - - if (!s.empty()) { - buffer_size_combo.set_sensitive (true); - set_popdown_strings (buffer_size_combo, s); - - buffer_size_combo.set_active_text (s.front()); - show_buffer_duration (); - } else { - buffer_size_combo.set_sensitive (false); - } - - /* XXX theoretically need to set min + max channel counts here - */ - - manage_control_app_sensitivity (); - } - - /* pick up any saved state for this device */ - - maybe_display_saved_state (); - - /* and push it to the backend */ - - 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 -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 (); - save_state (); - -} - -void -EngineControl::buffer_size_changed () -{ - if (ignore_changes) { - return; - } - - show_buffer_duration (); - save_state (); -} - -void -EngineControl::show_buffer_duration () -{ - - /* buffer sizes - convert from just samples to samples + msecs for - * the displayed string + char buf[32]; + snprintf (buf, sizeof (buf), _("%u samples"), sz); + return buf; + } + + 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). */ - string bs_text = buffer_size_combo.get_active_text (); - uint32_t samples = atoi (bs_text); /* will ignore trailing text */ - uint32_t rate = get_rate(); - - /* 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 () -{ - if (!ignore_changes) { - save_state (); - } -} - -void -EngineControl::parameter_changed () -{ - if (!ignore_changes) { - save_state (); - } -} - -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); - } - } - return 0; -} - -EngineControl::State* -EngineControl::get_saved_state_for_currently_displayed_backend_and_device () -{ - boost::shared_ptr<ARDOUR::AudioBackend> 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()); - } - - - return get_matching_state (backend_combo.get_active_text(), - string(), - device_combo.get_active_text()); -} - -EngineControl::State* -EngineControl::save_state () -{ - if (!_have_control) { - return 0; - } - - bool existing = true; - State* state = get_saved_state_for_currently_displayed_backend_and_device (); - - if (!state) { - existing = false; - state = new State; - } - - store_state (*state); - - if (!existing) { - 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 (); -} - -void -EngineControl::maybe_display_saved_state () -{ - if (!_have_control) { - return; - } - - State* state = get_saved_state_for_currently_displayed_backend_and_device (); - - if (state) { - PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); - - if (!_desired_sample_rate) { - sample_rate_combo.set_active_text (rate_as_string (state->sample_rate)); - } - 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); - - if (!state->midi_option.empty()) { - midi_option_combo.set_active_text (state->midi_option); - } - } -} - -XMLNode& -EngineControl::get_state () -{ - XMLNode* root = new XMLNode ("AudioMIDISetup"); - std::string path; - - 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 ("midi-option", (*i).midi_option); - - state_nodes->add_child_nocopy (*node); - } - - root->add_child_nocopy (*state_nodes); - } - - return *root; -} - -void -EngineControl::set_state (const XMLNode& root) -{ - XMLNodeList clist, cclist; - XMLNodeConstIterator citer, cciter; - XMLNode* child; - XMLNode* grandchild; - XMLProperty* prop = NULL; - - if (root.name() != "AudioMIDISetup") { - return; - } - - clist = root.children(); - - states.clear (); - - for (citer = clist.begin(); citer != clist.end(); ++citer) { - - child = *citer; - - if (child->name() != "EngineStates") { - continue; - } - - cclist = child->children(); - - for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) { - State state; - - grandchild = *cciter; - - if (grandchild->name() != "State") { - continue; - } - - if ((prop = grandchild->property ("backend")) == 0) { - continue; - } - state.backend = prop->value (); - - if ((prop = grandchild->property ("driver")) == 0) { - continue; - } - state.driver = prop->value (); - - if ((prop = grandchild->property ("device")) == 0) { - continue; - } - state.device = prop->value (); - - if ((prop = grandchild->property ("sample-rate")) == 0) { - continue; - } - state.sample_rate = atof (prop->value ()); - - if ((prop = grandchild->property ("buffer-size")) == 0) { - continue; - } - 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.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 (); - - states.push_back (state); - } - } - - /* 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 (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) -{ - if (no_push) { - return 0; - } - - boost::shared_ptr<ARDOUR::AudioBackend> 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(); - } - - if (ochan == 0) { - ochan = backend->output_channels(); - } - - if (ichan != backend->input_channels()) { - change_channels = true; - } - - if (ochan != backend->output_channels()) { - change_channels = true; - } - - 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_driver = true; - change_device = true; - change_rate = true; - change_bufsize = true; - change_channels = true; - change_latency = true; - change_midi = true; - } - - } else { - - /* 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) { - - /* 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 (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()); - } - - if (change_bufsize) { - backend->set_buffer_size (get_buffer_size()); - } - - post_push (); - - 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) { + show_buffer_duration (); + save_state (); - 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 (was_running) { - if (restart_required) { - if (ARDOUR_UI::instance()->disconnect_from_engine ()) { - return -1; - } - } - } - + void + EngineControl::buffer_size_changed () + { + if (ignore_changes) { + return; + } - 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; - } + show_buffer_duration (); + save_state (); + } - 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; - } - if (backend->set_output_channels (get_output_channels())) { - 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; - } - if (backend->set_systemic_output_latency (get_output_latency())) { - error << string_compose (_("Cannot set output latency to %1"), get_output_latency()) << endmsg; - return -1; - } - } + void + EngineControl::show_buffer_duration () + { - if (change_midi) { - backend->set_midi_option (get_midi_option()); - } - - if (start || (was_running && restart_required)) { - if (ARDOUR_UI::instance()->reconnect_to_engine()) { - return -1; - } - } - - post_push (); + /* buffer sizes - convert from just samples to samples + msecs for + * the displayed string + */ - return 0; -} + string bs_text = buffer_size_combo.get_active_text (); + uint32_t samples = atoi (bs_text); /* will ignore trailing text */ + uint32_t rate = get_rate(); -void -EngineControl::post_push () -{ - /* get a pointer to the current state object, creating one if - * necessary + /* Translators: "msecs" is ALWAYS plural here, so we do not + need singular form as well. */ - - if (_have_control) { - State* state = get_saved_state_for_currently_displayed_backend_and_device (); - - if (!state) { - state = save_state (); - assert (state); - } - - /* 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; - - 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); -} - - -float -EngineControl::get_rate () const -{ - 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. + /* 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. */ - if (r < 1000.0) { - r *= 1000.0; - } - return r; -} - - -uint32_t -EngineControl::get_buffer_size () const -{ - string txt = buffer_size_combo.get_active_text (); - uint32_t samples; - - if (sscanf (txt.c_str(), "%d", &samples) != 1) { - throw exception (); - } - - return samples; -} - -string -EngineControl::get_midi_option () const -{ - return midi_option_combo.get_active_text(); -} - -uint32_t -EngineControl::get_input_channels() const -{ - return (uint32_t) input_channels_adjustment.get_value(); -} - -uint32_t -EngineControl::get_output_channels() const -{ - return (uint32_t) output_channels_adjustment.get_value(); -} - -uint32_t -EngineControl::get_input_latency() const -{ - return (uint32_t) input_latency_adjustment.get_value(); -} - -uint32_t -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 (); -} - -string -EngineControl::get_device_name () const -{ - return device_combo.get_active_text (); -} - -void -EngineControl::control_app_button_clicked () -{ - boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); - - if (!backend) { - return; - } - - backend->launch_control_app (); -} - -void -EngineControl::manage_control_app_sensitivity () -{ - boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); - - if (!backend) { - return; - } - - string appname = backend->control_app_name(); - - if (appname.empty()) { - control_app_button.set_sensitive (false); - } else { - control_app_button.set_sensitive (true); - } -} - -void -EngineControl::set_desired_sample_rate (uint32_t sr) -{ - _desired_sample_rate = sr; - device_changed (); -} + 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 () + { + if (!ignore_changes) { + save_state (); + } + } + + void + EngineControl::parameter_changed () + { + if (!ignore_changes) { + save_state (); + } + } + + 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); + } + } + return 0; + } + + EngineControl::State* + EngineControl::get_saved_state_for_currently_displayed_backend_and_device () + { + boost::shared_ptr<ARDOUR::AudioBackend> 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()); + } + + + return get_matching_state (backend_combo.get_active_text(), + string(), + device_combo.get_active_text()); + } + + EngineControl::State* + EngineControl::save_state () + { + if (!_have_control) { + return 0; + } + + bool existing = true; + State* state = get_saved_state_for_currently_displayed_backend_and_device (); + + if (!state) { + existing = false; + state = new State; + } + + store_state (*state); + + if (!existing) { + 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 (); + } + + void + EngineControl::maybe_display_saved_state () + { + if (!_have_control) { + return; + } + + State* state = get_saved_state_for_currently_displayed_backend_and_device (); + + if (state) { + PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); + + if (!_desired_sample_rate) { + sample_rate_combo.set_active_text (rate_as_string (state->sample_rate)); + } + 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); + + if (!state->midi_option.empty()) { + midi_option_combo.set_active_text (state->midi_option); + } + } + } -void -EngineControl::on_switch_page (GtkNotebookPage*, guint page_num) -{ - if (page_num == 0) { - cancel_button->set_sensitive (true); - ok_button->set_sensitive (true); - apply_button->set_sensitive (true); - } else { - cancel_button->set_sensitive (false); - ok_button->set_sensitive (false); - apply_button->set_sensitive (false); - } + XMLNode& + EngineControl::get_state () + { + XMLNode* root = new XMLNode ("AudioMIDISetup"); + std::string path; + + 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 ("midi-option", (*i).midi_option); + + state_nodes->add_child_nocopy (*node); + } + + root->add_child_nocopy (*state_nodes); + } + + return *root; + } + + void + EngineControl::set_state (const XMLNode& root) + { + XMLNodeList clist, cclist; + XMLNodeConstIterator citer, cciter; + XMLNode* child; + XMLNode* grandchild; + XMLProperty* prop = NULL; + + if (root.name() != "AudioMIDISetup") { + return; + } + + clist = root.children(); + + states.clear (); + + for (citer = clist.begin(); citer != clist.end(); ++citer) { + + child = *citer; + + if (child->name() != "EngineStates") { + continue; + } + + cclist = child->children(); + + for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) { + State state; + + grandchild = *cciter; + + if (grandchild->name() != "State") { + continue; + } + + if ((prop = grandchild->property ("backend")) == 0) { + continue; + } + state.backend = prop->value (); + + if ((prop = grandchild->property ("driver")) == 0) { + continue; + } + state.driver = prop->value (); + + if ((prop = grandchild->property ("device")) == 0) { + continue; + } + state.device = prop->value (); + + if ((prop = grandchild->property ("sample-rate")) == 0) { + continue; + } + state.sample_rate = atof (prop->value ()); + + if ((prop = grandchild->property ("buffer-size")) == 0) { + continue; + } + 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.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 (); - if (page_num == midi_tab) { - /* MIDI tab */ - refresh_midi_display (); - } + states.push_back (state); + } + } + + /* 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 (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) + { + if (no_push) { + return 0; + } + + boost::shared_ptr<ARDOUR::AudioBackend> 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(); + } + + if (ochan == 0) { + ochan = backend->output_channels(); + } + + if (ichan != backend->input_channels()) { + change_channels = true; + } + + if (ochan != backend->output_channels()) { + change_channels = true; + } + + 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_driver = true; + change_device = true; + change_rate = true; + change_bufsize = true; + change_channels = true; + change_latency = true; + change_midi = true; + } + + } else { + + /* 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) { + + /* 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 (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()); + } + + if (change_bufsize) { + backend->set_buffer_size (get_buffer_size()); + } + + post_push (); + + 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 (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; + } + if (backend->set_output_channels (get_output_channels())) { + 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; + } + if (backend->set_systemic_output_latency (get_output_latency())) { + error << string_compose (_("Cannot set output latency to %1"), get_output_latency()) << endmsg; + return -1; + } + } + + if (change_midi) { + backend->set_midi_option (get_midi_option()); + } + + if (start || (was_running && restart_required)) { + if (ARDOUR_UI::instance()->reconnect_to_engine()) { + return -1; + } + } + + post_push (); + + return 0; + } + + void + EngineControl::post_push () + { + /* get a pointer to the current state object, creating one if + * necessary + */ + + if (_have_control) { + State* state = get_saved_state_for_currently_displayed_backend_and_device (); + + if (!state) { + state = save_state (); + assert (state); + } + + /* 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; + + 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); + } + + + float + EngineControl::get_rate () const + { + 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 r; + } + + + uint32_t + EngineControl::get_buffer_size () const + { + string txt = buffer_size_combo.get_active_text (); + uint32_t samples; + + if (sscanf (txt.c_str(), "%d", &samples) != 1) { + throw exception (); + } + + return samples; + } + + string + EngineControl::get_midi_option () const + { + return midi_option_combo.get_active_text(); + } + + uint32_t + EngineControl::get_input_channels() const + { + return (uint32_t) input_channels_adjustment.get_value(); + } + + uint32_t + EngineControl::get_output_channels() const + { + return (uint32_t) output_channels_adjustment.get_value(); + } + + uint32_t + EngineControl::get_input_latency() const + { + return (uint32_t) input_latency_adjustment.get_value(); + } + + uint32_t + 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 (); + } + + string + EngineControl::get_device_name () const + { + return device_combo.get_active_text (); + } + + void + EngineControl::control_app_button_clicked () + { + boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); + + if (!backend) { + return; + } + + backend->launch_control_app (); + } + + void + EngineControl::manage_control_app_sensitivity () + { + boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend(); + + if (!backend) { + return; + } + + string appname = backend->control_app_name(); + + if (appname.empty()) { + control_app_button.set_sensitive (false); + } else { + control_app_button.set_sensitive (true); + } + } + + void + EngineControl::set_desired_sample_rate (uint32_t sr) + { + _desired_sample_rate = sr; + device_changed (); + } + + void + EngineControl::on_switch_page (GtkNotebookPage*, guint page_num) + { + if (page_num == 0) { + cancel_button->set_sensitive (true); + ok_button->set_sensitive (true); + apply_button->set_sensitive (true); + } 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()) { + + PBD::Unwinder<uint32_t> 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 + will be clean of any existing latency measures. + */ - if (page_num == latency_tab) { - /* latency tab */ + input_latency.set_value (0); + output_latency.set_value (0); - if (!ARDOUR::AudioEngine::instance()->running()) { - - PBD::Unwinder<uint32_t> 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 control */ - /* reset to zero so that our new test instance of JACK - will be clean of any existing latency measures. - */ - - input_latency.set_value (0); - output_latency.set_value (0); - - /* reset control */ + input_latency.set_value (il); + output_latency.set_value (ol); - input_latency.set_value (il); - output_latency.set_value (ol); + } - } + if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) { + disable_latency_tab (); + } - if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) { - disable_latency_tab (); - } + enable_latency_tab (); - enable_latency_tab (); + } else { + ARDOUR::AudioEngine::instance()->stop_latency_detection(); + } + } - } else { - ARDOUR::AudioEngine::instance()->stop_latency_detection(); - } -} + /* latency measurement */ -/* latency measurement */ + bool + EngineControl::check_latency_measurement () + { + MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); -bool -EngineControl::check_latency_measurement () -{ - MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); + if (mtdm->resolve () < 0) { + lm_results.set_markup (string_compose (results_markup, _("No signal detected "))); + return true; + } - if (mtdm->resolve () < 0) { - lm_results.set_markup (string_compose ("<span foreground=\"red\">%1</span>", _("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]; + ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate(); - char buf[128]; - 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; + } - if (sample_rate == 0) { - lm_results.set_text (_("Disconnected from audio engine")); - ARDOUR::AudioEngine::instance()->stop_latency_detection (); - return false; - } + uint32_t frames_total = mtdm->del(); + uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); - uint32_t frames_total = mtdm->del(); - uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); + snprintf (buf, sizeof (buf), "%u samples / %.3lf ms", extra, extra * 1000.0f/sample_rate); - snprintf (buf, sizeof (buf), "%u samples %10.3lf ms", extra, extra * 1000.0f/sample_rate); + bool solid = true; - bool solid = true; + if (mtdm->err () > 0.2) { + strcat (buf, " "); + strcat (buf, _("(signal detection error)")); + solid = false; + } - if (mtdm->err () > 0.2) { - strcat (buf, " ??"); - 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); - lm_use_button.set_sensitive (true); - strcat (buf, " (set)"); - have_lm_results = true; + if (solid) { + end_latency_detection (); + lm_use_button.set_sensitive (true); + have_lm_results = true; } - lm_results.set_text (buf); + lm_results.set_markup (string_compose (results_markup, string_compose (_("Detected roundtrip latency: %1"), buf))); return true; } @@ -1650,12 +1684,14 @@ EngineControl::start_latency_detection () ARDOUR::AudioEngine::instance()->set_latency_output_port (lm_output_channel_combo.get_active_text()); if (ARDOUR::AudioEngine::instance()->start_latency_detection () == 0) { - lm_results.set_text (_("Detecting ...")); + lm_results.set_markup (string_compose (results_markup, _("Detecting ..."))); latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_latency_measurement), 100); - lm_start_stop_label.set_text (_("Cancel measurement")); + lm_measure_button.set_label (_("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; } } @@ -1664,18 +1700,21 @@ EngineControl::end_latency_detection () { latency_timeout.disconnect (); ARDOUR::AudioEngine::instance()->stop_latency_detection (); - lm_start_stop_label.set_text (_("Measure latency")); + lm_measure_button.set_label (_("Measure")); if (!have_lm_results) { - lm_results.set_markup (string_compose ("<i>%1</i>", _("No measurement results yet"))); + lm_results.set_markup (string_compose (results_markup, _("No measurement results yet"))); + } else { + 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_toggled () +EngineControl::latency_button_clicked () { - if (lm_measure_button.get_active ()) { + if (!lm_running) { start_latency_detection (); } else { end_latency_detection (); @@ -1697,6 +1736,10 @@ EngineControl::use_latency_button_clicked () input_latency_adjustment.set_value (one_way); output_latency_adjustment.set_value (one_way); + + /* back to settings page */ + + notebook.set_current_page (0); } bool diff --git a/gtk2_ardour/engine_dialog.h b/gtk2_ardour/engine_dialog.h index 5ecd840e98..0bf1c3a507 100644 --- a/gtk2_ardour/engine_dialog.h +++ b/gtk2_ardour/engine_dialog.h @@ -36,6 +36,7 @@ #include "pbd/signals.h" #include "ardour_dialog.h" +#include "ardour_button.h" class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList { public: @@ -85,14 +86,16 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList { Gtk::ComboBoxText lm_output_channel_combo; Gtk::ComboBoxText lm_input_channel_combo; - Gtk::Label lm_start_stop_label; - Gtk::ToggleButton lm_measure_button; + Gtk::Button lm_measure_button; Gtk::Button lm_use_button; + Gtk::Button lm_back_button; + ArdourButton lm_button; Gtk::Label lm_title; Gtk::Label lm_results; Gtk::Table lm_table; Gtk::VBox lm_vbox; bool have_lm_results; + bool lm_running; Gtk::Button* cancel_button; Gtk::Button* ok_button; @@ -192,7 +195,7 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList { void update_sensitivity (); /* latency measurement */ - void latency_button_toggled (); + void latency_button_clicked (); bool check_latency_measurement (); sigc::connection latency_timeout; void enable_latency_tab (); |