X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fengine_dialog.cc;h=37c29f418788f4e351a47d4ca2f61f7b2b36b883;hb=001c1a09107a54695b5e38ab826003af036f0e2a;hp=0ad27e29d4eeacad9d3bad40074685c94a53630f;hpb=58dd0198e6dcf40ec684c32019e104f0b1a58472;p=ardour.git diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc index 0ad27e29d4..28e0adcdca 100644 --- a/gtk2_ardour/engine_dialog.cc +++ b/gtk2_ardour/engine_dialog.cc @@ -25,24 +25,35 @@ #include -#include #include #include "pbd/error.h" #include "pbd/xml++.h" +#include "pbd/unwind.h" +#include "pbd/failed_constructor.h" +#include #include #include #include #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 "ardour/profile.h" #include "pbd/convert.h" #include "pbd/error.h" +#include "opts.h" +#include "debug.h" +#include "ardour_ui.h" #include "engine_dialog.h" +#include "gui_thread.h" +#include "utils.h" #include "i18n.h" using namespace std; @@ -50,713 +61,2011 @@ using namespace Gtk; using namespace Gtkmm2ext; using namespace PBD; using namespace Glib; +using namespace ARDOUR_UI_UTILS; + +#define DEBUG_ECONTROL(msg) DEBUG_TRACE (PBD::DEBUG::EngineControl, string_compose ("%1: %2\n", __LINE__, msg)); + +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 () - : input_latency_adjustment (0, 0, 99999, 1) + : ArdourDialog (_("Audio/MIDI Setup")) + , engine_status ("") + , basic_packer (9, 4) + , input_latency_adjustment (0, 0, 99999, 1) , input_latency (input_latency_adjustment) , output_latency_adjustment (0, 0, 99999, 1) , output_latency (output_latency_adjustment) - , input_channels_adjustment (2, 0, 256, 1) + , input_channels_adjustment (0, 0, 256, 1) , input_channels (input_channels_adjustment) - , output_channels_adjustment (2, 0, 256, 1) + , output_channels_adjustment (0, 0, 256, 1) , output_channels (output_channels_adjustment) , ports_adjustment (128, 8, 1024, 1, 16) , ports_spinner (ports_adjustment) - , realtime_button (_("Realtime")) -#ifdef __APPLE___ - , basic_packer (6, 2) -#else - , basic_packer (9, 2) -#endif + , control_app_button (_("Device Control Panel")) + , midi_devices_button (_("Midi Device Setup")) + , lm_measure_label (_("Measure")) + , lm_use_button (_("Use results")) + , lm_back_button (_("Back to settings ... (ignore results)")) + , lm_button_audio (_("Calibrate Audio")) + , lm_table (12, 3) + , have_lm_results (false) + , lm_running (false) + , midi_back_button (_("Back to settings")) + , ignore_changes (0) + , _desired_sample_rate (0) + , started_at_least_once (false) + , queue_device_changed (false) + , block_signals(0) { using namespace Notebook_Helpers; + vector backend_names; Label* label; - vector strings; - int row = 0; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + int row; - _used = false; + set_name (X_("AudioMIDISetup")); - /* basic parameters */ + /* the backend combo is the one thing that is ALWAYS visible */ - basic_packer.set_spacings (6); + vector backends = ARDOUR::AudioEngine::instance()->available_backends(); - strings.clear (); + 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 (); + } - vector backends = ARDOUR::AudioEngine::instance()->available_backends(); for (vector::const_iterator b = backends.begin(); b != backends.end(); ++b) { - strings.push_back ((*b)->name); + backend_names.push_back ((*b)->name); } - set_popdown_strings (backend_combo, strings); - backend_combo.set_active_text (strings.front()); + set_popdown_strings (backend_combo, backend_names); - backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed)); - backend_changed (); + /* setup basic packing characteristics for the table used on the main + * tab of the notebook + */ - driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed)); + basic_packer.set_spacings (6); + basic_packer.set_border_width (12); + basic_packer.set_homogeneous (false); - strings.clear (); - strings.push_back (_("None")); -#ifdef __APPLE__ - strings.push_back (_("coremidi")); -#else - strings.push_back (_("seq")); - strings.push_back (_("raw")); -#endif - set_popdown_strings (midi_driver_combo, strings); - midi_driver_combo.set_active_text (strings.front ()); + /* pack it in */ - row = 0; + basic_hbox.pack_start (basic_packer, false, false); - label = manage (left_aligned_label (_("Audio System:"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (backend_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - row++; + /* latency measurement tab */ - label = manage (left_aligned_label (_("Driver:"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (driver_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - row++; + 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); - label = manage (left_aligned_label (_("Device:"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (device_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); + lm_table.attach (lm_title, 0, 3, row, row+1, xopt, (AttachOptions) 0); row++; - label = manage (left_aligned_label (_("Sample rate:"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); + 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++; - sr_connection = sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed)); + 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.")); - label = manage (left_aligned_label (_("Buffer size:"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); + lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); row++; - bs_connection = buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed)); + label = manage (new Label (_("Output channel"))); + lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); - label = manage (left_aligned_label (_("Hardware input latency:"))); - basic_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (input_latency, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0); - label = manage (left_aligned_label (_("samples"))); - basic_packer.attach (*label, 2, 3, row, row+1, FILL|EXPAND, (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 (left_aligned_label (_("Hardware output latency:"))); - basic_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (output_latency, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0); - label = manage (left_aligned_label (_("samples"))); - basic_packer.attach (*label, 2, 3, row, row+1, FILL|EXPAND, (AttachOptions) 0); + 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; - device_combo.set_size_request (250, -1); - input_device_combo.set_size_request (250, -1); - output_device_combo.set_size_request (250, -1); + 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)); - device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed)); + lm_use_button.set_sensitive (false); - basic_hbox.pack_start (basic_packer, false, false); + /* Increase the default spacing around the labels of these three + * buttons + */ - basic_packer.set_border_width (12); - midi_packer.set_border_width (12); + 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)); - notebook.pages().push_back (TabElem (basic_hbox, _("Audio System Settings"))); - notebook.pages().push_back (TabElem (midi_hbox, _("MIDI Settings"))); + /* 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_tab_pos (POS_RIGHT); + notebook.set_show_tabs (false); notebook.show_all (); notebook.set_name ("SettingsNotebook"); - set_border_width (12); - pack_start (notebook); + /* packup the notebook */ + + get_vbox()->set_border_width (12); + get_vbox()->pack_start (notebook); + + get_action_area()->pack_start (engine_status); + engine_status.show(); + + /* 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 (); + + cancel_button = add_button (Gtk::Stock::CLOSE, Gtk::RESPONSE_CANCEL); + apply_button = add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_APPLY); + ok_button = add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK); /* Pick up any existing audio setup configuration, if appropriate */ - XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioSetup"); - + 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()); + ARDOUR::AudioEngine::instance()->DeviceListChanged.connect (devicelist_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::device_list_changed, this), gui_context()); + if (audio_setup) { set_state (*audio_setup); } + + if (backend_combo.get_active_text().empty()) { + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + backend_combo.set_active_text (backend_names.front()); + } + + backend_changed (); + + /* in case the setting the backend failed, e.g. stale config, from set_state(), try again */ + if (0 == ARDOUR::AudioEngine::instance()->current_backend()) { + backend_combo.set_active_text (backend_names.back()); + /* ignore: don't save state */ + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + backend_changed (); + } + + connect_changed_signals (); + + notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page)); + + connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click)); + connect_disconnect_button.set_no_show_all(); + } -EngineControl::~EngineControl () +void +EngineControl::connect_changed_signals () { + backend_combo_connection = backend_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::backend_changed)); + driver_combo_connection = driver_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::driver_changed)); + sample_rate_combo_connection = sample_rate_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::sample_rate_changed)); + buffer_size_combo_connection = buffer_size_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::buffer_size_changed)); + device_combo_connection = device_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::device_changed)); + midi_option_combo_connection = midi_option_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::midi_option_changed)); + + input_device_combo_connection = input_device_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::input_device_changed)); + output_device_combo_connection = output_device_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::output_device_changed)); + + input_latency_connection = input_latency.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_latency_connection = output_latency.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::parameter_changed)); + input_channels_connection = input_channels.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_channels_connection = output_channels.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::parameter_changed)); +} +void +EngineControl::block_changed_signals () +{ + if (block_signals++ == 0) { + DEBUG_ECONTROL ("Blocking changed signals"); + backend_combo_connection.block (); + driver_combo_connection.block (); + sample_rate_combo_connection.block (); + buffer_size_combo_connection.block (); + device_combo_connection.block (); + input_device_combo_connection.block (); + output_device_combo_connection.block (); + midi_option_combo_connection.block (); + input_latency_connection.block (); + output_latency_connection.block (); + input_channels_connection.block (); + output_channels_connection.block (); + } } void -EngineControl::backend_changed () +EngineControl::unblock_changed_signals () { - string backend_name = backend_combo.get_active_text(); - boost::shared_ptr backend; + if (--block_signals == 0) { + DEBUG_ECONTROL ("Unblocking changed signals"); + backend_combo_connection.unblock (); + driver_combo_connection.unblock (); + sample_rate_combo_connection.unblock (); + buffer_size_combo_connection.unblock (); + device_combo_connection.unblock (); + input_device_combo_connection.unblock (); + output_device_combo_connection.unblock (); + midi_option_combo_connection.unblock (); + input_latency_connection.unblock (); + output_latency_connection.unblock (); + input_channels_connection.unblock (); + output_channels_connection.unblock (); + } +} - if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, "ardour", ""))) { - /* eh? */ - return; +EngineControl::SignalBlocker::SignalBlocker (EngineControl& engine_control, + const std::string& reason) + : ec (engine_control) + , m_reason (reason) +{ + DEBUG_ECONTROL (string_compose ("SignalBlocker: %1", m_reason)); + ec.block_changed_signals (); +} + +EngineControl::SignalBlocker::~SignalBlocker () +{ + DEBUG_ECONTROL (string_compose ("~SignalBlocker: %1", m_reason)); + ec.unblock_changed_signals (); +} + +void +EngineControl::on_show () +{ + ArdourDialog::on_show (); + if (!ARDOUR::AudioEngine::instance()->current_backend() || !ARDOUR::AudioEngine::instance()->running()) { + // re-check _have_control (jackd running) see #6041 + backend_changed (); } + device_changed (); + ok_button->grab_focus(); +} - 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 (); - } else { - driver_combo.set_sensitive (false); - list_devices (); +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: +#ifdef PLATFORM_WINDOWS + // For some reason we don't understand, 'hide()' + // needs to get called first in Windows + hide (); + + // But if there's no session open, this can produce + // a long gap when nothing appears to be happening. + // Let's show the splash image while we're waiting. + if ( !ARDOUR_COMMAND_LINE::no_splash ) { + if ( ARDOUR_UI::instance() ) { + if ( !ARDOUR_UI::instance()->session_loaded ) { + ARDOUR_UI::instance()->show_splash(); + } + } + } + push_state_to_backend (true); + break; +#else + push_state_to_backend (true); + hide (); + break; +#endif + case RESPONSE_DELETE_EVENT: + { + GdkEventButton ev; + ev.type = GDK_BUTTON_PRESS; + ev.button = 1; + on_delete_event ((GdkEventAny*) &ev); + break; + } + default: + hide (); } - - maybe_set_state (); } void -EngineControl::list_devices () +EngineControl::build_notebook () { - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); + Label* label; + AttachOptions xopt = AttachOptions (FILL|EXPAND); - /* 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. - * - * 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. - */ + /* clear the table */ - vector available_devices; + Gtkmm2ext::container_clear (basic_vbox); + Gtkmm2ext::container_clear (basic_packer); - for (vector::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) { - available_devices.push_back (i->name); + if (control_app_button.get_parent()) { + control_app_button.get_parent()->remove (control_app_button); } - set_popdown_strings (device_combo, available_devices); - set_popdown_strings (input_device_combo, available_devices); - set_popdown_strings (output_device_combo, available_devices); - - if (!available_devices.empty()) { - device_combo.set_active_text (available_devices.front()); - input_device_combo.set_active_text (available_devices.front()); - output_device_combo.set_active_text (available_devices.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); - device_changed (); -} - -void -EngineControl::driver_changed () -{ - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); + 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); - backend->set_driver (driver_combo.get_active_text()); - list_devices (); + if (_have_control) { + build_full_control_notebook (); + } else { + build_no_control_notebook (); + } + + basic_vbox.pack_start (basic_hbox, false, false); - maybe_set_state (); + { + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + basic_vbox.show_all (); + } } void -EngineControl::device_changed () +EngineControl::build_full_control_notebook () { 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. - */ - - sr_connection.block (); + using namespace Notebook_Helpers; + Label* label; + vector strings; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + int row = 1; // row zero == backend combo - /* sample rates */ + /* start packing it up */ - 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); - } else { - snprintf (buf, sizeof (buf), "%.0f kHz", (*x)/1000.0); - } - s.push_back (buf); + 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++; } - set_popdown_strings (sample_rate_combo, s); - sample_rate_combo.set_active_text (s.front()); + if (backend->use_separate_input_and_output_devices()) { + label = manage (left_aligned_label (_("Input Device:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (input_device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + label = manage (left_aligned_label (_("Output Device:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (output_device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + // reset so it isn't used in state comparisons + device_combo.set_active_text (""); + } else { + 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++; + // reset these so they don't get used in state comparisons + input_device_combo.set_active_text (""); + output_device_combo.set_active_text (""); + } - reshow_buffer_sizes (true); + 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++; - sr_connection.unblock (); - - maybe_set_state (); -} -void -EngineControl::sample_rate_changed () -{ - bool existing = true; - State* state = get_current_state (); + 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); - if (!state) { - existing = false; - state = new 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 (); + /* button spans 2 rows */ + + basic_packer.attach (control_app_button, 3, 4, row-1, row+1, xopt, xopt); + row++; - if (!existing) { - states.push_back (*state); + 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); + + if (!ARDOUR::Profile->get_mixbus()) { + 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); + + if (!ARDOUR::Profile->get_mixbus()) { + 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); - reshow_buffer_sizes (false); -} + 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; -void -EngineControl::buffer_size_changed () -{ - bool existing = true; - State* state = get_current_state (); + 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); - if (!state) { - existing = false; - state = new State; - state->backend = backend_combo.get_active_text (); - state->driver = driver_combo.get_active_text (); - state->device = device_combo.get_active_text (); - state->sample_rate = sample_rate_combo.get_active_text (); - } - - state->buffer_size = buffer_size_combo.get_active_text (); + 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); - if (!existing) { - states.push_back (*state); - } + /* button spans 2 rows */ + + basic_packer.attach (lm_button_audio, 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); + basic_packer.attach (midi_devices_button, 3, 4, row, row+1, xopt, xopt); + row++; } void -EngineControl::reshow_buffer_sizes (bool size_choice_changed) +EngineControl::build_no_control_notebook () { boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); assert (backend); - string device_name = device_combo.get_active_text (); - vector s; - int existing_size_choice = 0; - string new_target_string; - /* buffer sizes - convert from just samples to samples + msecs for - * the displayed string - */ + 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 (_("%1 is already running. %2 will connect to it and use the existing settings."), backend->name(), PROGRAM_NAME); - bs_connection.block (); + label = manage (new Label); + label->set_markup (string_compose ("%1", msg)); + basic_packer.attach (*label, 0, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; - if (!size_choice_changed) { - sscanf (buffer_size_combo.get_active_text().c_str(), "%d", &existing_size_choice); + 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++; } - s.clear (); - vector bs = backend->available_buffer_sizes(device_name); - uint32_t rate = get_rate(); - - for (vector::const_iterator x = bs.begin(); x != bs.end(); ++x) { - char buf[32]; - - /* Translators: "samples" is ALWAYS plural here, so we do not - need singular form as well. Same for msecs. - */ - snprintf (buf, sizeof (buf), _("%u samples (%.1f msecs)"), *x, (2 * (*x)) / (rate/1000.0)); - s.push_back (buf); - - /* if this is the size previously chosen, this is the string we - * will want to be active in the combo. - */ - - if (existing_size_choice == *x) { - new_target_string = buf; - } - + 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++; } - set_popdown_strings (buffer_size_combo, s); + basic_packer.attach (connect_disconnect_button, 0, 2, row, row+1, FILL, AttachOptions (0)); + row++; +} - if (!new_target_string.empty()) { - buffer_size_combo.set_active_text (new_target_string); - } else { - buffer_size_combo.set_active_text (s.front()); - } +EngineControl::~EngineControl () +{ + ignore_changes = true; +} - bs_connection.unblock (); +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); } void -EngineControl::audio_mode_changed () +EngineControl::enable_latency_tab () { - std::string str = audio_mode_combo.get_active_text(); + vector outputs; + vector inputs; - if (str == _("Playback/recording on 1 device")) { - input_device_combo.set_sensitive (false); - output_device_combo.set_sensitive (false); - } else if (str == _("Playback/recording on 2 devices")) { - input_device_combo.set_sensitive (true); - output_device_combo.set_sensitive (true); - } else if (str == _("Playback only")) { - output_device_combo.set_sensitive (true); - input_device_combo.set_sensitive (false); - } else if (str == _("Recording only")) { - input_device_combo.set_sensitive (true); - output_device_combo.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); + + 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; } -} -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); - } + 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 (); } - return 0; + + set_popdown_strings (lm_output_channel_combo, outputs); + lm_output_channel_combo.set_active_text (outputs.front()); + lm_output_channel_combo.set_sensitive (true); + + 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_measure_button.set_sensitive (true); } -EngineControl::State* -EngineControl::get_current_state () +void +EngineControl::setup_midi_tab_for_backend () { - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + string backend = backend_combo.get_active_text (); - 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()); - } + Gtkmm2ext::container_clear (midi_vbox); + midi_vbox.set_border_width (12); + midi_device_table.set_border_width (12); - return get_matching_state (backend_combo.get_active_text(), - string(), - device_combo.get_active_text()); + if (backend == "JACK") { + setup_midi_tab_for_jack (); + } + + midi_vbox.pack_start (midi_device_table, true, true); + midi_vbox.pack_start (midi_back_button, false, false); + midi_vbox.show_all (); } void -EngineControl::maybe_set_state () +EngineControl::setup_midi_tab_for_jack () { - State* state = get_current_state (); +} - if (state) { - sr_connection.block (); - bs_connection.block (); - sample_rate_combo.set_active_text (state->sample_rate); - buffer_size_combo.set_active_text (state->buffer_size); - bs_connection.unblock (); - sr_connection.unblock (); +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(); } } - -XMLNode& -EngineControl::get_state () -{ - XMLNode* root = new XMLNode ("AudioSetup"); - XMLNode* child; - std::string path; -#if 0 - audio system - driver - device - sample rate -buffer size - input latency - output latency - - - child = new XMLNode ("periods"); - child->add_property ("val", to_string (periods_adjustment.get_value(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("ports"); - child->add_property ("val", to_string (ports_adjustment.get_value(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("inlatency"); - child->add_property ("val", to_string (input_latency.get_value(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("outlatency"); - child->add_property ("val", to_string (output_latency.get_value(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("realtime"); - child->add_property ("val", to_string (realtime_button.get_active(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("nomemorylock"); - child->add_property ("val", to_string (no_memory_lock_button.get_active(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("unlockmemory"); - child->add_property ("val", to_string (unlock_memory_button.get_active(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("softmode"); - child->add_property ("val", to_string (soft_mode_button.get_active(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("force16bit"); - child->add_property ("val", to_string (force16bit_button.get_active(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("hwmonitor"); - child->add_property ("val", to_string (hw_monitor_button.get_active(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("hwmeter"); - child->add_property ("val", to_string (hw_meter_button.get_active(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("verbose"); - child->add_property ("val", to_string (verbose_output_button.get_active(), std::dec)); - root->add_child_nocopy (*child); - - child = new XMLNode ("samplerate"); - child->add_property ("val", sample_rate_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("periodsize"); - child->add_property ("val", period_size_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("serverpath"); - child->add_property ("val", serverpath_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("driver"); - child->add_property ("val", driver_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("interface"); - child->add_property ("val", device_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("timeout"); - child->add_property ("val", timeout_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("dither"); - child->add_property ("val", dither_mode_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("audiomode"); - child->add_property ("val", audio_mode_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("inputdevice"); - child->add_property ("val", input_device_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("outputdevice"); - child->add_property ("val", output_device_combo.get_active_text()); - root->add_child_nocopy (*child); - - child = new XMLNode ("mididriver"); - child->add_property ("val", midi_driver_combo.get_active_text()); - root->add_child_nocopy (*child); -#endif - return *root; +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); } void -EngineControl::set_state (const XMLNode& root) +EngineControl::refresh_midi_display (std::string focus) { -#if 0 - XMLNodeList clist; - XMLNodeConstIterator citer; - XMLNode* child; - XMLProperty* prop = NULL; - bool using_dummy = false; - bool using_ffado = false; - - int val; - string strval; + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); - if ( (child = root.child ("driver"))){ - prop = child->property("val"); + int row = 0; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + Gtk::Label* l; - if (prop && (prop->value() == "Dummy") ) { - using_dummy = true; - } - if (prop && (prop->value() == "FFADO") ) { - using_ffado = true; - } + Gtkmm2ext::container_clear (midi_device_table); - } + midi_device_table.set_spacings (6); - clist = root.children(); + 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(); + } + + 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::backend_changed () +{ + DEBUG_ECONTROL ("backend_changed"); + + string backend_name = backend_combo.get_active_text(); + boost::shared_ptr backend; + + if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, "ardour", ""))) { + /* eh? setting the backend failed... how ? */ + /* A: stale config contains a backend that does not exist in current build */ + return; + } + + DEBUG_ECONTROL (string_compose ("Backend name: %1", backend_name)); + + _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); + + if (!drivers.empty()) { + { + string current_driver; + current_driver = backend->driver_name (); + + DEBUG_ECONTROL (string_compose ("backend->driver_name: %1", current_driver)); + + // 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); + DEBUG_ECONTROL ( + string_compose ("driver_combo.set_active_text: %1", current_driver)); + 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 (); + } + + update_midi_options (); + + connect_disconnect_button.hide(); + + midi_option_changed(); + + started_at_least_once = false; + + if (!ignore_changes) { + maybe_display_saved_state (); + } +} + +void +EngineControl::update_midi_options () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + 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); + } + } +} + +bool +EngineControl::print_channel_count (Gtk::SpinButton* sb) +{ + if (ARDOUR::Profile->get_mixbus()) { + return true; + } + + 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; +} + +bool +EngineControl::set_driver_popdown_strings () +{ + DEBUG_ECONTROL ("set_driver_popdown_strings"); + string backend_name = backend_combo.get_active_text(); + boost::shared_ptr backend; + + if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, "ardour", ""))) { + /* eh? setting the backend failed... how ? */ + /* A: stale config contains a backend that does not exist in current build */ + return false; + } + + vector drivers = backend->enumerate_drivers(); + set_popdown_strings (driver_combo, drivers); + return true; +} + +// @return true if there are devices available +bool +EngineControl::set_device_popdown_strings () +{ + DEBUG_ECONTROL ("set_device_popdown_strings"); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + vector 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 available_devices; + + for (vector::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) { + available_devices.push_back (i->name); + } + + + if (!available_devices.empty()) { + + { + string current_device, found_device; + current_device = device_combo.get_active_text (); + if (current_device == "") { + current_device = backend->device_name (); + } + + // Make sure that the active text is still relevant for this + // device (it might only be relevant to the previous device!!) + for (vector::const_iterator i = available_devices.begin(); i != available_devices.end(); ++i) { + if (*i == current_device) + found_device = current_device; + } + if (found_device == "") + // device has never been set (or was not relevant + // for this backend) Let's 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); + DEBUG_ECONTROL (string_compose ("set device_combo active text: %1", current_device)); + + device_combo.set_active_text (current_device); + } + return true; + } + return false; +} + +// @return true if there are input devices available +bool +EngineControl::set_input_device_popdown_strings () +{ + DEBUG_ECONTROL ("set_input_device_popdown_strings"); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + vector all_devices = backend->enumerate_input_devices (); + + vector available_devices; + + for (vector::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) { + available_devices.push_back (i->name); + } + + if (!available_devices.empty()) { + + { + string current_device, found_device; + current_device = input_device_combo.get_active_text (); + if (current_device == "") { + current_device = backend->input_device_name (); + } + + // Make sure that the active text is still relevant for this + // device (it might only be relevant to the previous device!!) + for (vector::const_iterator i = available_devices.begin(); i != available_devices.end(); ++i) { + if (*i == current_device) + found_device = current_device; + } + if (found_device == "") + // device has never been set (or was not relevant + // for this backend) Let's make sure it's not blank + current_device = available_devices.front (); + + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + set_popdown_strings (input_device_combo, available_devices); + + DEBUG_ECONTROL (string_compose ("set input_device_combo active text: %1", current_device)); + input_device_combo.set_active_text (current_device); + } + return true; + } + + return false; +} + +// @return true if there are output devices available +bool +EngineControl::set_output_device_popdown_strings () +{ + DEBUG_ECONTROL ("set_output_device_popdown_strings"); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + vector all_devices = backend->enumerate_output_devices (); + + vector available_devices; + + for (vector::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) { + available_devices.push_back (i->name); + } + + if (!available_devices.empty()) { + + { + string current_device, found_device; + current_device = output_device_combo.get_active_text (); + if (current_device == "") { + current_device = backend->output_device_name (); + } + + // Make sure that the active text is still relevant for this + // device (it might only be relevant to the previous device!!) + for (vector::const_iterator i = available_devices.begin(); i != available_devices.end(); ++i) { + if (*i == current_device) + found_device = current_device; + } + if (found_device == "") + // device has never been set (or was not relevant + // for this backend) Let's make sure it's not blank + current_device = available_devices.front (); + + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + set_popdown_strings (output_device_combo, available_devices); + + DEBUG_ECONTROL (string_compose ("set input_device_combo active text: %1", current_device)); + output_device_combo.set_active_text (current_device); + } + return true; + } + + return false; +} + +void +EngineControl::list_devices () +{ + DEBUG_ECONTROL ("list_devices"); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + /* now fill out devices, mark sample rates, buffer sizes insensitive */ + + bool devices_available = false; + + if (backend->use_separate_input_and_output_devices ()) { + bool input_devices_available = set_input_device_popdown_strings (); + bool output_devices_available = set_output_device_popdown_strings (); + devices_available = input_devices_available || output_devices_available; + } else { + devices_available = set_device_popdown_strings (); + } + + if (devices_available) { + device_changed (); + + input_latency.set_sensitive (true); + output_latency.set_sensitive (true); + input_channels.set_sensitive (true); + output_channels.set_sensitive (true); + + ok_button->set_sensitive (true); + apply_button->set_sensitive (true); + + } else { + device_combo.clear(); + input_device_combo.clear(); + output_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); + if (backend->can_change_sample_rate_when_running() && sample_rate_combo.get_children().size() > 0) { + sample_rate_combo.set_sensitive (true); + } + if (backend->can_change_buffer_size_when_running() && buffer_size_combo.get_children().size() > 0) { + buffer_size_combo.set_sensitive (true); + } + + } + } +} + +void +EngineControl::driver_changed () +{ + DEBUG_ECONTROL ("driver_changed"); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + backend->set_driver (driver_combo.get_active_text()); + list_devices (); + + if (!ignore_changes) { + maybe_display_saved_state (); + } +} + +void +EngineControl::set_samplerate_popdown_strings (const std::string& device_name) +{ + DEBUG_ECONTROL ("set_samplerate_popdown_strings"); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + string desired; + vector sr; + vector s; + + 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::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 (rate_as_string (backend->default_sample_rate())); + } else { + sample_rate_combo.set_active_text (desired); + } + + } else { + sample_rate_combo.set_sensitive (false); + } +} + +void +EngineControl::set_buffersize_popdown_strings (const std::string& device_name) +{ + DEBUG_ECONTROL ("set_buffersize_popdown_strings"); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + vector bs; + vector s; + + 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()) { + buffer_size_combo.set_sensitive (true); + set_popdown_strings (buffer_size_combo, s); + buffer_size_combo.set_active_text (s.front()); + + uint32_t period = backend->buffer_size(); + if (0 == period) { + period = backend->default_buffer_size(device_name); + } + set_active_text_if_present (buffer_size_combo, bufsize_as_string (period)); + show_buffer_duration (); + } else { + buffer_size_combo.set_sensitive (false); + } +} + +void +EngineControl::device_changed () +{ + DEBUG_ECONTROL ("device_changed"); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + string device_name_in; + string device_name_out; // only used if backend support separate I/O devices + + if (backend->use_separate_input_and_output_devices()) { + device_name_in = get_input_device_name (); + device_name_out = get_output_device_name (); + } else { + device_name_in = get_device_name (); + } + + /* we set the backend-device to query various device related intormation. + * This has the side effect that backend->device_name() will match + * the device_name and 'change_device' will never be true. + * so work around this by setting... + */ + if (backend->use_separate_input_and_output_devices()) { + if (device_name_in != backend->input_device_name() || device_name_out != backend->output_device_name ()) { + queue_device_changed = true; + } + } else { + if (device_name_in != backend->device_name()) { + queue_device_changed = true; + } + } + + //the device name must be set FIRST so ASIO can populate buffersizes and the control panel button + if (backend->use_separate_input_and_output_devices()) { + backend->set_input_device_name (device_name_in); + backend->set_output_device_name (device_name_out); + } else { + backend->set_device_name(device_name_in); + } + + { + /* don't allow programmatic change to combos to cause a + recursive call to this method. + */ + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + + /* backends that support separate devices, need to ignore + * the device-name - and use the devies set above + */ + set_samplerate_popdown_strings (device_name_in); + set_buffersize_popdown_strings (device_name_in); + /* XXX theoretically need to set min + max channel counts here + */ + + manage_control_app_sensitivity (); + } + + /* pick up any saved state for this device */ + + if (!ignore_changes) { + maybe_display_saved_state (); + } +} + +void +EngineControl::input_device_changed () +{ + DEBUG_ECONTROL ("input_device_changed"); + device_changed (); +} + +void +EngineControl::output_device_changed () +{ + DEBUG_ECONTROL ("output_device_changed"); + device_changed (); +} + +string +EngineControl::bufsize_as_string (uint32_t sz) +{ + /* Translators: "samples" is always plural here, so no + need for plural+singular forms. + */ + char buf[64]; + snprintf (buf, sizeof (buf), "%u %s", sz, P_("sample", "samples", sz)); + return buf; +} + +void +EngineControl::sample_rate_changed () +{ + DEBUG_ECONTROL ("sample_rate_changed"); + /* reset the strings for buffer size to show the correct msec value + (reflecting the new sample rate). + */ + + show_buffer_duration (); + +} + +void +EngineControl::buffer_size_changed () +{ + DEBUG_ECONTROL ("buffer_size_changed"); + show_buffer_duration (); +} + +void +EngineControl::show_buffer_duration () +{ + DEBUG_ECONTROL ("show_buffer_duration"); + /* buffer sizes - convert from just samples to samples + msecs for + * the displayed string + */ + + string bs_text = buffer_size_combo.get_active_text (); + uint32_t samples = atoi (bs_text); /* will ignore trailing text */ + uint32_t rate = get_rate(); + + /* 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. + */ + /* note to jack1 developers: ardour also always starts the engine + * in async mode (no jack2 --sync option) which adds an extra cycle + * of latency with jack2 (and *3 would be correct) + * The value can also be wrong if jackd is started externally.. + * + * At the time of writing the ALSA backend always uses double-buffering *2, + * The Dummy backend *1, and who knows what ASIO really does :) + * + * So just display the period size, that's also what + * ARDOUR_UI::update_sample_rate() does for the status bar. + * (the statusbar calls AudioEngine::instance()->usecs_per_cycle() + * but still, that's the buffer period, not [round-trip] latency) + */ + char buf[32]; + snprintf (buf, sizeof (buf), _("(%.1f ms)"), (samples / (rate/1000.0f))); + buffer_size_duration_label.set_text (buf); +} + +void +EngineControl::midi_option_changed () +{ + DEBUG_ECONTROL ("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); + } +} + +void +EngineControl::parameter_changed () +{ +} + +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 && + (!_have_control || ((*i)->driver == driver && (*i)->device == device))) + { + return (*i); + } + } + return State(); +} + +EngineControl::State +EngineControl::get_matching_state ( + const string& backend, + const string& driver, + const string& input_device, + const string& output_device) +{ + for (StateList::iterator i = states.begin(); i != states.end(); ++i) { + if ((*i)->backend == backend && + (!_have_control || ((*i)->driver == driver && ((*i)->input_device == input_device) && (*i)->output_device == output_device))) + { + return (*i); + } + } + return State(); +} + +EngineControl::State +EngineControl::get_saved_state_for_currently_displayed_backend_and_device () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + + if (backend) { + if (backend->use_separate_input_and_output_devices ()) { + return get_matching_state (backend_combo.get_active_text(), + (backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()), + input_device_combo.get_active_text(), + output_device_combo.get_active_text()); + } else { + 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()); +} + +bool EngineControl::equivalent_states (const EngineControl::State& state1, + const EngineControl::State& state2) +{ + if (state1->backend == state2->backend && + state1->driver == state2->driver && + state1->device == state2->device && + state1->input_device == state2->input_device && + state1->output_device == state2->output_device) { + return true; + } + return false; +} + +EngineControl::State +EngineControl::save_state () +{ + State 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); + } + + for (StateList::iterator i = states.begin(); i != states.end();) { + if (equivalent_states (*i, state)) { + 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->input_device = get_input_device_name (); + state->output_device = get_output_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 () +{ + if (!_have_control) { + return; + } + + State state = get_saved_state_for_currently_displayed_backend_and_device (); + + if (state) { + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + + if (!_desired_sample_rate) { + sample_rate_combo.set_active_text (rate_as_string (state->sample_rate)); + } + set_active_text_if_present (buffer_size_combo, 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); + _midi_devices = state->midi_devices; + } + } +} + +XMLNode& +EngineControl::get_state () +{ + LocaleGuard lg (X_("C")); + + 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 ("input-device", (*i)->input_device); + node->add_property ("output-device", (*i)->output_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); + } + + return *root; +} + +void +EngineControl::set_state (const XMLNode& root) +{ + XMLNodeList clist, cclist; + XMLNodeConstIterator citer, cciter; + XMLNode* child; + XMLNode* grandchild; + XMLProperty* prop = NULL; + + fprintf (stderr, "EngineControl::set_state\n"); + + if (root.name() != "AudioMIDISetup") { + return; + } + + clist = root.children(); + + states.clear (); for (citer = clist.begin(); citer != clist.end(); ++citer) { child = *citer; - prop = child->property ("val"); + if (child->name() != "EngineStates") { + continue; + } + + cclist = child->children(); + + for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) { + State state (new StateStruct); + + 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 ("input-device")) == 0) { + continue; + } + state->input_device = prop->value (); + + if ((prop = grandchild->property ("output-device")) == 0) { + continue; + } + state->output_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 (); + + 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) { + set_current_state (*i); + break; + } + } +} + +void +EngineControl::set_current_state (const State& state) +{ + DEBUG_ECONTROL ("set_current_state"); + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + backend_combo.set_active_text (state->backend); + + /* The driver popdown strings need to be populated now so that + * set_active_text will actually set a valid entry. Then + * backend_changed() will populate all the other combo's so they + * can also be set to valid entries and the state will be restored + * correctly. + */ + if (!state->driver.empty()) { + set_driver_popdown_strings (); + } + driver_combo.set_active_text (state->driver); + backend_changed (); + + device_combo.set_active_text (state->device); + input_device_combo.set_active_text (state->input_device); + output_device_combo.set_active_text (state->output_device); + sample_rate_combo.set_active_text (rate_as_string (state->sample_rate)); + set_active_text_if_present (buffer_size_combo, bufsize_as_string (state->buffer_size)); + input_latency.set_value (state->input_latency); + output_latency.set_value (state->output_latency); + midi_option_combo.set_active_text (state->midi_option); +} + +int +EngineControl::push_state_to_backend (bool start) +{ + DEBUG_ECONTROL ("push_state_to_backend"); + 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 (backend->use_separate_input_and_output_devices()) { + if (get_input_device_name() != backend->input_device_name()) { + change_device = true; + } + if (get_output_device_name() != backend->output_device_name()) { + change_device = true; + } + } else { + if (get_device_name() != backend->device_name()) { + change_device = true; + } + } + + if (queue_device_changed) { + 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_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; + } + + } 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; + } + } + + queue_device_changed = false; + + 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()); + } + + if (start) { + if (ARDOUR::AudioEngine::instance()->start ()) { + error << string_compose (_("Could not start backend engine %1"), backend->name()) << endmsg; + return -1; + } + } + + 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 (!prop || prop->value().empty()) { + 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 (((using_dummy || using_ffado) - && ( child->name() == "interface" - || child->name() == "inputdevice" - || child->name() == "outputdevice")) - || child->name() == "timeout") - { - continue; + if (change_rate && !backend->can_change_sample_rate_when_running()) { + /* can't do this while running ... */ + restart_required = true; } - error << string_compose (_("AudioSetup value for %1 is missing data"), child->name()) << endmsg; - continue; - } - - strval = prop->value(); - - /* adjustments/spinners */ - - if (child->name() == "periods") { - val = atoi (strval); - periods_adjustment.set_value(val); - } else if (child->name() == "ports") { - val = atoi (strval); - ports_adjustment.set_value(val); - } else if (child->name() == "inlatency") { - val = atoi (strval); - input_latency.set_value(val); - } else if (child->name() == "outlatency") { - val = atoi (strval); - output_latency.set_value(val); - } - - /* buttons */ - - else if (child->name() == "realtime") { - val = atoi (strval); - realtime_button.set_active(val); - } else if (child->name() == "nomemorylock") { - val = atoi (strval); - no_memory_lock_button.set_active(val); - } else if (child->name() == "unlockmemory") { - val = atoi (strval); - unlock_memory_button.set_active(val); - } else if (child->name() == "softmode") { - val = atoi (strval); - soft_mode_button.set_active(val); - } else if (child->name() == "force16bit") { - val = atoi (strval); - force16bit_button.set_active(val); - } else if (child->name() == "hwmonitor") { - val = atoi (strval); - hw_monitor_button.set_active(val); - } else if (child->name() == "hwmeter") { - val = atoi (strval); - hw_meter_button.set_active(val); - } else if (child->name() == "verbose") { - val = atoi (strval); - verbose_output_button.set_active(val); - } - - /* combos */ - - else if (child->name() == "samplerate") { - sample_rate_combo.set_active_text(strval); - } else if (child->name() == "periodsize") { - period_size_combo.set_active_text(strval); - } else if (child->name() == "serverpath") { - - /* only attempt to set this if we have bothered to look - up server names already. otherwise this is all - redundant (actually, all of this dialog/widget - is redundant in that case ...) - */ - - if (!server_strings.empty()) { - /* do not allow us to use a server path that doesn't - exist on this system. this handles cases where - the user has an RC file listing a serverpath - from some other machine. - */ - vector::iterator x; - for (x = server_strings.begin(); x != server_strings.end(); ++x) { - if (*x == strval) { - break; - } - } - if (x != server_strings.end()) { - serverpath_combo.set_active_text (strval); - } else { - warning << string_compose (_("configuration files contain a JACK server path that doesn't exist (%1)"), - strval) - << endmsg; - } - } - - } else if (child->name() == "driver") { - driver_combo.set_active_text(strval); - } else if (child->name() == "interface") { - device_combo.set_active_text(strval); - } else if (child->name() == "timeout") { - timeout_combo.set_active_text(strval); - } else if (child->name() == "dither") { - dither_mode_combo.set_active_text(strval); - } else if (child->name() == "audiomode") { - audio_mode_combo.set_active_text(strval); - } else if (child->name() == "inputdevice") { - input_device_combo.set_active_text(strval); - } else if (child->name() == "outputdevice") { - output_device_combo.set_active_text(strval); - } else if (child->name() == "mididriver") { - midi_driver_combo.set_active_text(strval); + if (change_bufsize && !backend->can_change_buffer_size_when_running()) { + /* can't do this while running ... */ + restart_required = true; + } } } -#endif -} - -int -EngineControl::setup_engine (bool start) -{ - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); - - /* grab the parameters from the GUI and apply them */ - try { - if (backend->requires_driver_selection()) { - if (backend->set_driver (get_driver())) { + if (was_running) { + if (restart_required) { + if (ARDOUR_UI::instance()->disconnect_from_engine ()) { return -1; } } + } + - if (backend->set_device_name (get_device_name())) { + if (change_driver && backend->set_driver (get_driver())) { + error << string_compose (_("Cannot set driver to %1"), get_driver()) << endmsg; + return -1; + } + if (backend->use_separate_input_and_output_devices()) { + if (change_device && backend->set_input_device_name (get_input_device_name())) { + error << string_compose (_("Cannot set input device name to %1"), get_input_device_name()) << endmsg; return -1; } - - if (backend->set_sample_rate (get_rate())) { - error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg; + if (change_device && backend->set_output_device_name (get_output_device_name())) { + error << string_compose (_("Cannot set output device name to %1"), get_output_device_name()) << endmsg; return -1; } - if (backend->set_buffer_size (get_buffer_size())) { - error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg; + } else { + 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; @@ -765,6 +2074,8 @@ EngineControl::setup_engine (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; @@ -773,32 +2084,92 @@ EngineControl::setup_engine (bool start) error << string_compose (_("Cannot set output latency to %1"), get_output_latency()) << endmsg; return -1; } + } - if (start) { - return ARDOUR::AudioEngine::instance()->start(); + if (change_midi) { + backend->set_midi_option (get_midi_option()); + } + + 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); + } } + } - return 0; + if (start || (was_running && restart_required)) { + if (ARDOUR_UI::instance()->reconnect_to_engine()) { + return -1; + } + } - } catch (...) { - cerr << "exception thrown...\n"; - return -1; + post_push (); + + return 0; +} + +void +EngineControl::post_push () +{ + /* get a pointer to the current state object, creating one if + * necessary + */ + + State state = get_saved_state_for_currently_displayed_backend_and_device (); + + if (!state) { + state = save_state (); + assert (state); + } else { + store_state(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; + + 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 { @@ -806,21 +2177,39 @@ EngineControl::get_buffer_size () const uint32_t samples; if (sscanf (txt.c_str(), "%d", &samples) != 1) { + fprintf(stderr, "Find a trout and repeatedly slap the nearest C++ who throws exceptions without catching them.\n"); + fprintf(stderr, "Ardour will likely crash now, giving you time to get the trout.\n"); throw exception (); } return samples; } +string +EngineControl::get_midi_option () const +{ + return midi_option_combo.get_active_text(); +} + uint32_t EngineControl::get_input_channels() const { + if (ARDOUR::Profile->get_mixbus()) { + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + if (!backend) return 0; + return backend->input_channels(); + } return (uint32_t) input_channels_adjustment.get_value(); } uint32_t EngineControl::get_output_channels() const { + if (ARDOUR::Profile->get_mixbus()) { + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + if (!backend) return 0; + return backend->input_channels(); + } return (uint32_t) output_channels_adjustment.get_value(); } @@ -836,10 +2225,20 @@ 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 @@ -848,3 +2247,409 @@ EngineControl::get_device_name () const return device_combo.get_active_text (); } +string +EngineControl::get_input_device_name () const +{ + return input_device_combo.get_active_text (); +} + +string +EngineControl::get_output_device_name () const +{ + return output_device_combo.get_active_text (); +} + +void +EngineControl::control_app_button_clicked () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + + if (!backend) { + return; + } + + backend->launch_control_app (); +} + +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()) { + 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); + _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()) { + // 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 + 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 (); + + } else { + if (lm_running) { + end_latency_detection (); + ARDOUR::AudioEngine::instance()->stop_latency_detection(); + } + } +} + +/* latency measurement */ + +bool +EngineControl::check_audio_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->err () > 0.3) { + mtdm->invert (); + mtdm->resolve (); + } + + 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; + } + + int frames_total = mtdm->del(); + int extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); + + 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; + + if (mtdm->err () > 0.2) { + strcat (buf, " "); + strcat (buf, _("(signal detection error)")); + solid = false; + } + + if (mtdm->inv ()) { + strcat (buf, " "); + strcat (buf, _("(inverted - bad wiring)")); + solid = false; + } + + lm_results.set_markup (string_compose (results_markup, buf)); + + if (solid) { + have_lm_results = true; + end_latency_detection (); + lm_use_button.set_sensitive (true); + return false; + } + + 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; + end_latency_detection (); + lm_use_button.set_sensitive (true); + lm_results.set_markup (string_compose (results_markup, buf)); + 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; +} + +void +EngineControl::start_latency_detection () +{ + 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 { + end_latency_detection (); + } +} + +void +EngineControl::use_latency_button_clicked () +{ + 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); +} + +void +EngineControl::engine_running () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + set_active_text_if_present (buffer_size_combo, 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())); + connect_disconnect_button.show(); + + started_at_least_once = true; + engine_status.set_markup(string_compose ("%1", _("Active"))); +} + +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())); + connect_disconnect_button.show(); + + sample_rate_combo.set_sensitive (true); + buffer_size_combo.set_sensitive (true); + engine_status.set_markup(string_compose ("%1", _("Inactive"))); +} + +void +EngineControl::device_list_changed () +{ + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); // ?? + list_devices (); + midi_option_changed(); +} + +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); +} + +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); +} + +void +EngineControl::configure_midi_devices () +{ + notebook.set_current_page (midi_tab); +}