X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fengine_dialog.cc;h=8cd0473c085df0f866c1005b1667700463af3317;hb=e0b2764b912b15ddb329833974e0bef037969d37;hp=22889cf038cbf7727c2cc42fda81e984a1c14a98;hpb=0467231d6e9af35d5f8ca5dcb43c3135b805d8fb;p=ardour.git diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc index 22889cf038..8cd0473c08 100644 --- a/gtk2_ardour/engine_dialog.cc +++ b/gtk2_ardour/engine_dialog.cc @@ -25,24 +25,31 @@ #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/rc_configuration.h" +#include "ardour/types.h" #include "pbd/convert.h" #include "pbd/error.h" +#include "ardour_ui.h" #include "engine_dialog.h" +#include "gui_thread.h" +#include "utils.h" #include "i18n.h" using namespace std; @@ -51,706 +58,1757 @@ using namespace Gtkmm2ext; using namespace PBD; using namespace Glib; +static const unsigned int midi_tab = -1; /* not currently in use */ +static const unsigned int latency_tab = 1; /* zero-based, page zero is the main setup page */ + +static const char* results_markup = X_("%1"); + EngineControl::EngineControl () - : input_latency_adjustment (0, 0, 99999, 1) + : ArdourDialog (_("Audio/MIDI Setup")) + , basic_packer (9, 4) + , input_latency_adjustment (0, 0, 99999, 1) , input_latency (input_latency_adjustment) , output_latency_adjustment (0, 0, 99999, 1) , 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")) + , lm_measure_label (_("Measure")) + , lm_use_button (_("Use results")) + , lm_back_button (_("Back to settings ... (ignore results)")) + , lm_button (_("Calibrate...")) + , lm_table (12, 3) + , have_lm_results (false) + , lm_running (false) + , midi_refresh_button (_("Refresh list")) + , ignore_changes (0) + , _desired_sample_rate (0) + , started_at_least_once (false) { using namespace Notebook_Helpers; - Label* label; vector strings; - int row = 0; + Label* label; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + int row; + 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); } set_popdown_strings (backend_combo, strings); backend_combo.set_active_text (strings.front()); - backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed)); - backend_changed (); - driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed)); + /* setup basic packing characteristics for the table used on the main + * tab of the notebook + */ - 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 ()); + basic_packer.set_spacings (6); + basic_packer.set_border_width (12); + basic_packer.set_homogeneous (false); - row = 0; + /* pack it in */ - 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++; + basic_hbox.pack_start (basic_packer, false, false); - 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++; + /* latency tab */ - 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); + /* latency measurement tab */ + + lm_title.set_markup (string_compose ("%1", _("Latency Measurement Tool"))); + + row = 0; + lm_table.set_row_spacings (12); + lm_table.set_col_spacings (6); + lm_table.set_homogeneous (false); + + lm_table.attach (lm_title, 0, 3, row, row+1, xopt, (AttachOptions) 0); row++; - 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); - row++; + Gtk::Label* preamble; - sr_connection = sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed)); + preamble = manage (new Label); + preamble->set_width_chars (60); + preamble->set_line_wrap (true); + preamble->set_markup (_("Turn down the volume on your audio equipment to a very low level.")); - 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 (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); - ++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); - ++row; - - device_combo.set_size_request (250, -1); - input_device_combo.set_size_request (250, -1); - output_device_combo.set_size_request (250, -1); - - device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed)); - - basic_hbox.pack_start (basic_packer, false, false); + 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.")); - basic_packer.set_border_width (12); - midi_packer.set_border_width (12); + lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + row++; - notebook.pages().push_back (TabElem (basic_hbox, _("Audio"))); - notebook.pages().push_back (TabElem (midi_hbox, _("MIDI"))); - notebook.set_border_width (12); + label = manage (new Label (_("Output channel"))); + lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); - notebook.set_tab_pos (POS_RIGHT); - notebook.show_all (); + 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; - notebook.set_name ("SettingsNotebook"); + label = manage (new Label (_("Input channel"))); + lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); - set_border_width (12); - pack_start (notebook); + 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; - /* Pick up any existing audio setup configuration, if appropriate */ + xopt = AttachOptions(0); - XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup"); + 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_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0)); - if (audio_setup) { - set_state (*audio_setup); - } -} + lm_use_button.set_sensitive (false); -EngineControl::~EngineControl () -{ + /* Increase the default spacing around the labels of these three + * buttons + */ -} + Gtk::Misc* l; -void -EngineControl::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? */ - return; + if ((l = dynamic_cast(lm_use_button.get_child())) != 0) { + l->set_padding (10, 10); } - 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 (); + if ((l = dynamic_cast(lm_back_button.get_child())) != 0) { + l->set_padding (10, 10); } - - maybe_set_state (); -} -void -EngineControl::list_devices () -{ - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); + preamble = manage (new Label); + preamble->set_width_chars (60); + preamble->set_line_wrap (true); + preamble->set_markup (_("Once the channels are connected, click the \"Measure\" button.")); + lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + row++; - /* 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. - */ + 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); - vector available_devices; + ++row; // skip a row in the table + ++row; // skip a row in the table - for (vector::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) { - available_devices.push_back (i->name); - } + lm_table.attach (lm_results, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); - 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()); - } + ++row; // skip a row in the table + ++row; // skip a row in the table - device_changed (); -} - -void -EngineControl::driver_changed () -{ - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); + 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); - backend->set_driver (driver_combo.get_active_text()); - list_devices (); + lm_results.set_markup (string_compose (results_markup, _("No measurement results yet"))); - maybe_set_state (); -} + lm_vbox.set_border_width (12); + lm_vbox.pack_start (lm_table, false, false); -void -EngineControl::device_changed () -{ - 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 (); - - /* sample rates */ - - 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); - } + /* pack it all up */ - set_popdown_strings (sample_rate_combo, s); - sample_rate_combo.set_active_text (s.front()); + notebook.pages().push_back (TabElem (basic_vbox, _("Audio"))); + // notebook.pages().push_back (TabElem (midi_vbox, _("MIDI"))); + notebook.pages().push_back (TabElem (lm_vbox, _("Latency"))); + notebook.set_border_width (12); - reshow_buffer_sizes (true); + notebook.set_show_tabs (false); + notebook.show_all (); - sr_connection.unblock (); - - maybe_set_state (); -} + notebook.set_name ("SettingsNotebook"); -void -EngineControl::sample_rate_changed () -{ - /* reset the strings for buffer size to show the correct msec value - (reflecting the new sample rate - */ + /* packup the notebook */ - reshow_buffer_sizes (false); - save_state (); + get_vbox()->set_border_width (12); + get_vbox()->pack_start (notebook); -} + /* need a special function to print "all available channels" when the + * channel counts hit zero. + */ -void -EngineControl::buffer_size_changed () -{ - save_state (); -} + 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)); -void -EngineControl::reshow_buffer_sizes (bool size_choice_changed) -{ - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - assert (backend); - string device_name = device_combo.get_active_text (); - vector s; - uint32_t existing_size_choice = 0; - string new_target_string; + control_app_button.signal_clicked().connect (mem_fun (*this, &EngineControl::control_app_button_clicked)); + manage_control_app_sensitivity (); - /* buffer sizes - convert from just samples to samples + msecs for - * the displayed string - */ + cancel_button = add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL); + ok_button = add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK); + apply_button = add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_APPLY); - bs_connection.block (); + /* Pick up any existing audio setup configuration, if appropriate */ - if (!size_choice_changed) { - sscanf (buffer_size_combo.get_active_text().c_str(), "%" PRIu32, &existing_size_choice); - } + XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup"); - s.clear (); - vector bs = backend->available_buffer_sizes(device_name); - uint32_t rate = get_rate(); + 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()); - for (vector::const_iterator x = bs.begin(); x != bs.end(); ++x) { - char buf[32]; + backend_changed (); + + if (audio_setup) { + set_state (*audio_setup); + } - /* 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); + /* Connect to signals */ - /* if this is the size previously chosen, this is the string we - * will want to be active in the combo. + driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed)); + sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed)); + buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed)); + device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed)); + midi_option_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::midi_option_changed)); + + input_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + input_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + + notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page)); + } + + void + EngineControl::on_response (int response_id) + { + ArdourDialog::on_response (response_id); + + switch (response_id) { + case RESPONSE_APPLY: + push_state_to_backend (true); + break; + case RESPONSE_OK: + push_state_to_backend (true); + hide (); + break; + case RESPONSE_DELETE_EVENT: { + GdkEventButton ev; + ev.type = GDK_BUTTON_PRESS; + ev.button = 1; + on_delete_event ((GdkEventAny*) &ev); + break; + } + default: + hide (); + } + } + + void + EngineControl::build_notebook () + { + Label* label; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + + /* clear the table */ + + Gtkmm2ext::container_clear (basic_vbox); + Gtkmm2ext::container_clear (basic_packer); + + if (control_app_button.get_parent()) { + control_app_button.get_parent()->remove (control_app_button); + } + + label = manage (left_aligned_label (_("Audio System:"))); + basic_packer.attach (*label, 0, 1, 0, 1, xopt, (AttachOptions) 0); + basic_packer.attach (backend_combo, 1, 2, 0, 1, xopt, (AttachOptions) 0); + + lm_button.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_latency)); + lm_button.set_name ("record enable button"); + if (_have_control) { + build_full_control_notebook (); + } else { + build_no_control_notebook (); + } + + basic_vbox.pack_start (basic_hbox, false, false); + + if (_have_control) { + Gtk::HBox* hpacker = manage (new HBox); + hpacker->set_border_width (12); + hpacker->pack_start (control_app_button, false, false); + hpacker->show (); + control_app_button.show(); + basic_vbox.pack_start (*hpacker); + } + + basic_vbox.show_all (); + } + + void + EngineControl::build_full_control_notebook () + { + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + using namespace Notebook_Helpers; + Label* label; + vector strings; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + int row = 1; // row zero == backend combo + + /* start packing it up */ + + if (backend->requires_driver_selection()) { + label = manage (left_aligned_label (_("Driver:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (driver_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + } + + label = manage (left_aligned_label (_("Device:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + + label = manage (left_aligned_label (_("Sample rate:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + + + label = manage (left_aligned_label (_("Buffer size:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + buffer_size_duration_label.set_alignment (0.0); /* left-align */ + basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0); + row++; + + input_channels.set_name ("InputChannels"); + input_channels.set_flags(Gtk::CAN_FOCUS); + input_channels.set_digits(0); + input_channels.set_wrap(false); + output_channels.set_editable (true); + + label = manage (left_aligned_label (_("Input Channels:"))); + basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (input_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0); + ++row; + + output_channels.set_name ("OutputChannels"); + output_channels.set_flags(Gtk::CAN_FOCUS); + output_channels.set_digits(0); + output_channels.set_wrap(false); + output_channels.set_editable (true); + + label = manage (left_aligned_label (_("Output Channels:"))); + basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (output_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0); + ++row; + + input_latency.set_name ("InputLatency"); + input_latency.set_flags(Gtk::CAN_FOCUS); + input_latency.set_digits(0); + input_latency.set_wrap(false); + input_latency.set_editable (true); + + label = manage (left_aligned_label (_("Hardware input latency:"))); + basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (input_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0); + label = manage (left_aligned_label (_("samples"))); + basic_packer.attach (*label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0); + ++row; + + output_latency.set_name ("OutputLatency"); + output_latency.set_flags(Gtk::CAN_FOCUS); + output_latency.set_digits(0); + output_latency.set_wrap(false); + output_latency.set_editable (true); + + label = manage (left_aligned_label (_("Hardware output latency:"))); + basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (output_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0); + label = manage (left_aligned_label (_("samples"))); + basic_packer.attach (*label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0); + + /* button spans 2 rows */ + + basic_packer.attach (lm_button, 3, 4, row-1, row+1, xopt, xopt); + ++row; + + label = manage (left_aligned_label (_("MIDI System"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (midi_option_combo, 1, 2, row, row + 1, SHRINK, (AttachOptions) 0); + row++; + } + + void + EngineControl::build_no_control_notebook () + { + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + using namespace Notebook_Helpers; + Label* label; + vector strings; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + int row = 1; // row zero == backend combo + const string msg = string_compose (_("The %1 audio backend was configured and started externally.\nThis limits your control over it."), backend->name()); + + label = manage (new Label); + label->set_markup (string_compose ("%1", msg)); + basic_packer.attach (*label, 0, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + + if (backend->can_change_sample_rate_when_running()) { + label = manage (left_aligned_label (_("Sample rate:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + row++; + } + + if (backend->can_change_buffer_size_when_running()) { + label = manage (left_aligned_label (_("Buffer size:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + buffer_size_duration_label.set_alignment (0.0); /* left-align */ + basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, xopt, (AttachOptions) 0); + row++; + } + + connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click)); + + basic_packer.attach (connect_disconnect_button, 0, 2, row, row+1, FILL, AttachOptions (0)); + row++; + } + + EngineControl::~EngineControl () + { + ignore_changes = true; + } + + 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::enable_latency_tab () + { + vector outputs; + vector inputs; + + ARDOUR::AudioEngine::instance()->get_physical_outputs (ARDOUR::DataType::AUDIO, outputs); + ARDOUR::AudioEngine::instance()->get_physical_inputs (ARDOUR::DataType::AUDIO, inputs); + + if (inputs.empty() || outputs.empty()) { + MessageDialog msg (_("Your selected audio configuration is playback- or capture-only.\n\nLatency calibration requires playback and capture")); + lm_measure_button.set_sensitive (false); + notebook.set_current_page (0); + msg.run (); + return; + } + + if (!outputs.empty()) { + set_popdown_strings (lm_output_channel_combo, outputs); + lm_output_channel_combo.set_active_text (outputs.front()); + lm_output_channel_combo.set_sensitive (true); + } else { + lm_output_channel_combo.set_sensitive (false); + } + + if (!inputs.empty()) { + set_popdown_strings (lm_input_channel_combo, inputs); + lm_input_channel_combo.set_active_text (inputs.front()); + lm_input_channel_combo.set_sensitive (true); + } else { + lm_input_channel_combo.set_sensitive (false); + } + + lm_measure_button.set_sensitive (true); + } + + void + EngineControl::setup_midi_tab_for_backend () + { + string backend = backend_combo.get_active_text (); + + Gtkmm2ext::container_clear (midi_vbox); + + midi_vbox.set_border_width (12); + midi_device_table.set_border_width (12); + + if (backend == "JACK") { + setup_midi_tab_for_jack (); + } + + midi_vbox.pack_start (midi_device_table, true, true); + midi_vbox.pack_start (midi_refresh_button, false, false); + midi_vbox.show_all (); + + midi_refresh_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::refresh_midi_display)); + } + + void + EngineControl::setup_midi_tab_for_jack () + { + } + + void + EngineControl::refresh_midi_display () + { + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + vector midi_inputs; + vector midi_outputs; + int row = 0; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + Gtk::Label* l; + + Gtkmm2ext::container_clear (midi_device_table); + + backend->get_physical_inputs (ARDOUR::DataType::MIDI, midi_inputs); + backend->get_physical_outputs (ARDOUR::DataType::MIDI, midi_outputs); + + midi_device_table.set_spacings (6); + midi_device_table.set_homogeneous (true); + midi_device_table.resize (midi_inputs.size() + midi_outputs.size() + 3, 1); + + l = manage (new Label); + l->set_markup (string_compose ("%1", _("MIDI Inputs"))); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->set_alignment (0, 0.5); + row++; + l->show (); + + for (vector::iterator p = midi_inputs.begin(); p != midi_inputs.end(); ++p) { + l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1))); + l->set_alignment (0, 0.5); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->show (); + row++; + } + + row++; // extra row of spacing + + l = manage (new Label); + l->set_markup (string_compose ("%1", _("MIDI Outputs"))); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->set_alignment (0, 0.5); + row++; + l->show (); + + for (vector::iterator p = midi_outputs.begin(); p != midi_outputs.end(); ++p) { + l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1))); + l->set_alignment (0, 0.5); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->show (); + row++; + } + } + + void + EngineControl::update_sensitivity () + { + } + + void + EngineControl::backend_changed () + { + if (ignore_changes) { + return; + } + + string backend_name = backend_combo.get_active_text(); + boost::shared_ptr backend; + + if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, "ardour", ""))) { + /* eh? setting the backend failed... how ? */ + return; + } + + _have_control = ARDOUR::AudioEngine::instance()->setup_required (); + + build_notebook (); + setup_midi_tab_for_backend (); + + if (backend->requires_driver_selection()) { + vector drivers = backend->enumerate_drivers(); + + if (!drivers.empty()) { + { + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + set_popdown_strings (driver_combo, drivers); + driver_combo.set_active_text (drivers.front()); + } + + driver_changed (); + } + + } else { + driver_combo.set_sensitive (false); + /* this will change the device text which will cause a call to + * device changed which will set up parameters + */ + list_devices (); + } + + vector midi_options = backend->enumerate_midi_options(); + + if (midi_options.size() == 1) { + /* only contains the "none" option */ + midi_option_combo.set_sensitive (false); + } else { + if (_have_control) { + set_popdown_strings (midi_option_combo, midi_options); + midi_option_combo.set_active_text (midi_options.front()); + midi_option_combo.set_sensitive (true); + } else { + midi_option_combo.set_sensitive (false); + } + } + + maybe_display_saved_state (); + } + + bool + EngineControl::print_channel_count (Gtk::SpinButton* sb) + { + uint32_t cnt = (uint32_t) sb->get_value(); + if (cnt == 0) { + sb->set_text (_("all available channels")); + } else { + char buf[32]; + snprintf (buf, sizeof (buf), "%d", cnt); + sb->set_text (buf); + } + return true; + } + + void + EngineControl::list_devices () + { + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + /* now fill out devices, mark sample rates, buffer sizes insensitive */ + + vector all_devices = backend->enumerate_devices (); + + /* NOTE: Ardour currently does not display the "available" field of the + * returned devices. + * + * 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()) { + + update_sensitivity (); + + { + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + set_popdown_strings (device_combo, available_devices); + device_combo.set_active_text (available_devices.front()); + } + + device_changed (); + + ok_button->set_sensitive (true); + apply_button->set_sensitive (true); + + } else { + sample_rate_combo.set_sensitive (false); + buffer_size_combo.set_sensitive (false); + input_latency.set_sensitive (false); + output_latency.set_sensitive (false); + input_channels.set_sensitive (false); + output_channels.set_sensitive (false); + ok_button->set_sensitive (false); + apply_button->set_sensitive (false); + } + } + + void + EngineControl::driver_changed () + { + if (ignore_changes) { + return; + } + + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + backend->set_driver (driver_combo.get_active_text()); + list_devices (); + + maybe_display_saved_state (); + } + + void + EngineControl::device_changed () + { + if (ignore_changes) { + return; + } + + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + string device_name = device_combo.get_active_text (); + vector s; + + { + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + + /* don't allow programmatic change to combos to cause a + recursive call to this method. */ - if (existing_size_choice == *x) { - new_target_string = buf; - } - - } + /* sample rates */ + + string desired; + + vector sr; + + if (_have_control) { + sr = backend->available_sample_rates (device_name); + } else { + + sr.push_back (8000.0f); + sr.push_back (16000.0f); + sr.push_back (32000.0f); + sr.push_back (44100.0f); + sr.push_back (48000.0f); + sr.push_back (88200.0f); + sr.push_back (96000.0f); + sr.push_back (192000.0f); + sr.push_back (384000.0f); + } + + for (vector::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); + } + + /* buffer sizes */ + + vector bs; + + if (_have_control) { + bs = backend->available_buffer_sizes(device_name); + } else if (backend->can_change_buffer_size_when_running()) { + bs.push_back (8); + bs.push_back (16); + bs.push_back (32); + bs.push_back (64); + bs.push_back (128); + bs.push_back (256); + bs.push_back (512); + bs.push_back (1024); + bs.push_back (2048); + bs.push_back (4096); + bs.push_back (8192); + } + s.clear (); + for (vector::const_iterator x = bs.begin(); x != bs.end(); ++x) { + s.push_back (bufsize_as_string (*x)); + } + + if (!s.empty()) { + buffer_size_combo.set_sensitive (true); + set_popdown_strings (buffer_size_combo, s); + + buffer_size_combo.set_active_text (bufsize_as_string (backend->default_buffer_size())); + show_buffer_duration (); + } else { + buffer_size_combo.set_sensitive (false); + } + + /* XXX theoretically need to set min + max channel counts here + */ + + manage_control_app_sensitivity (); + } + + /* pick up any saved state for this device */ + + maybe_display_saved_state (); + } + + string + EngineControl::bufsize_as_string (uint32_t sz) + { + /* Translators: "samples" is always plural here, so no + need for plural+singular forms. + */ + char buf[32]; + snprintf (buf, sizeof (buf), _("%u samples"), sz); + return buf; + } + + void + EngineControl::sample_rate_changed () + { + if (ignore_changes) { + return; + } + + /* reset the strings for buffer size to show the correct msec value + (reflecting the new sample rate). + */ - set_popdown_strings (buffer_size_combo, s); + show_buffer_duration (); + save_state (); - if (!new_target_string.empty()) { - buffer_size_combo.set_active_text (new_target_string); - } else { - buffer_size_combo.set_active_text (s.front()); - } + } - bs_connection.unblock (); -} + void + EngineControl::buffer_size_changed () + { + if (ignore_changes) { + return; + } -void -EngineControl::audio_mode_changed () -{ - std::string str = audio_mode_combo.get_active_text(); - - 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); - } -} + show_buffer_duration (); + save_state (); + } -EngineControl::State* -EngineControl::get_matching_state (const string& backend, - const string& driver, - const string& device) -{ - for (StateList::iterator i = states.begin(); i != states.end(); ++i) { - if ((*i).backend == backend && - (*i).driver == driver && - (*i).device == device) { - return &(*i); - } - } - return 0; -} + void + EngineControl::show_buffer_duration () + { -EngineControl::State* -EngineControl::get_current_state () -{ - boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + /* 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(); - if (backend) { - return get_matching_state (backend_combo.get_active_text(), + /* Translators: "msecs" is ALWAYS plural here, so we do not + need singular form as well. + */ + /* Developers: note the hard-coding of a double buffered model + in the (2 * samples) computation of latency. we always start + the audiobackend in this configuration. + */ + char buf[32]; + snprintf (buf, sizeof (buf), _("(%.1f msecs)"), (2 * samples) / (rate/1000.0)); + buffer_size_duration_label.set_text (buf); + } + + void + EngineControl::midi_option_changed () + { + if (!ignore_changes) { + save_state (); + } + } + + void + EngineControl::parameter_changed () + { + if (!ignore_changes) { + save_state (); + } + } + + EngineControl::State* + EngineControl::get_matching_state (const string& backend, + const string& driver, + const string& device) + { + for (StateList::iterator i = states.begin(); i != states.end(); ++i) { + if ((*i).backend == backend && + (*i).driver == driver && + (*i).device == device) { + return &(*i); + } + } + return 0; + } + + EngineControl::State* + EngineControl::get_saved_state_for_currently_displayed_backend_and_device () + { + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + + if (backend) { + return get_matching_state (backend_combo.get_active_text(), (backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()), device_combo.get_active_text()); - } + } + + + return get_matching_state (backend_combo.get_active_text(), + string(), + device_combo.get_active_text()); + } + + EngineControl::State* + EngineControl::save_state () + { + if (!_have_control) { + return 0; + } + + bool existing = true; + State* state = get_saved_state_for_currently_displayed_backend_and_device (); + + if (!state) { + existing = false; + state = new State; + } + + store_state (*state); + + if (!existing) { + states.push_back (*state); + } + + return state; + } + + void + EngineControl::store_state (State& state) + { + state.backend = get_backend (); + state.driver = get_driver (); + state.device = get_device_name (); + state.sample_rate = get_rate (); + state.buffer_size = get_buffer_size (); + state.input_latency = get_input_latency (); + state.output_latency = get_output_latency (); + state.input_channels = get_input_channels (); + state.output_channels = get_output_channels (); + state.midi_option = get_midi_option (); + } + + void + EngineControl::maybe_display_saved_state () + { + if (!_have_control) { + return; + } + + State* state = get_saved_state_for_currently_displayed_backend_and_device (); + + if (state) { + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + + if (!_desired_sample_rate) { + sample_rate_combo.set_active_text (rate_as_string (state->sample_rate)); + } + buffer_size_combo.set_active_text (bufsize_as_string (state->buffer_size)); + /* call this explicitly because we're ignoring changes to + the controls at this point. + */ + show_buffer_duration (); + input_latency.set_value (state->input_latency); + output_latency.set_value (state->output_latency); + + if (!state->midi_option.empty()) { + midi_option_combo.set_active_text (state->midi_option); + } + } + } + XMLNode& + EngineControl::get_state () + { + XMLNode* root = new XMLNode ("AudioMIDISetup"); + std::string path; + + if (!states.empty()) { + XMLNode* state_nodes = new XMLNode ("EngineStates"); + + for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) { + + XMLNode* node = new XMLNode ("State"); + + node->add_property ("backend", (*i).backend); + node->add_property ("driver", (*i).driver); + node->add_property ("device", (*i).device); + node->add_property ("sample-rate", (*i).sample_rate); + node->add_property ("buffer-size", (*i).buffer_size); + node->add_property ("input-latency", (*i).input_latency); + node->add_property ("output-latency", (*i).output_latency); + node->add_property ("input-channels", (*i).input_channels); + node->add_property ("output-channels", (*i).output_channels); + node->add_property ("active", (*i).active ? "yes" : "no"); + node->add_property ("midi-option", (*i).midi_option); + + state_nodes->add_child_nocopy (*node); + } + + root->add_child_nocopy (*state_nodes); + } + + return *root; + } + + void + EngineControl::set_state (const XMLNode& root) + { + XMLNodeList clist, cclist; + XMLNodeConstIterator citer, cciter; + XMLNode* child; + XMLNode* grandchild; + XMLProperty* prop = NULL; + + if (root.name() != "AudioMIDISetup") { + return; + } + + clist = root.children(); + + states.clear (); + + for (citer = clist.begin(); citer != clist.end(); ++citer) { + + child = *citer; + + if (child->name() != "EngineStates") { + continue; + } + + cclist = child->children(); + + for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) { + State state; + + grandchild = *cciter; + + if (grandchild->name() != "State") { + continue; + } + + if ((prop = grandchild->property ("backend")) == 0) { + continue; + } + state.backend = prop->value (); + + if ((prop = grandchild->property ("driver")) == 0) { + continue; + } + state.driver = prop->value (); + + if ((prop = grandchild->property ("device")) == 0) { + continue; + } + state.device = prop->value (); + + if ((prop = grandchild->property ("sample-rate")) == 0) { + continue; + } + state.sample_rate = atof (prop->value ()); + + if ((prop = grandchild->property ("buffer-size")) == 0) { + continue; + } + state.buffer_size = atoi (prop->value ()); + + if ((prop = grandchild->property ("input-latency")) == 0) { + continue; + } + state.input_latency = atoi (prop->value ()); + + if ((prop = grandchild->property ("output-latency")) == 0) { + continue; + } + state.output_latency = atoi (prop->value ()); + + if ((prop = grandchild->property ("input-channels")) == 0) { + continue; + } + state.input_channels = atoi (prop->value ()); + + if ((prop = grandchild->property ("output-channels")) == 0) { + continue; + } + state.output_channels = atoi (prop->value ()); + + if ((prop = grandchild->property ("active")) == 0) { + continue; + } + state.active = string_is_affirmative (prop->value ()); + + if ((prop = grandchild->property ("midi-option")) == 0) { + continue; + } + state.midi_option = prop->value (); + + states.push_back (state); + } + } + + /* now see if there was an active state and switch the setup to it */ + + for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) { + + if ((*i).active) { + ignore_changes++; + backend_combo.set_active_text ((*i).backend); + driver_combo.set_active_text ((*i).driver); + device_combo.set_active_text ((*i).device); + sample_rate_combo.set_active_text (rate_as_string ((*i).sample_rate)); + buffer_size_combo.set_active_text (bufsize_as_string ((*i).buffer_size)); + input_latency.set_value ((*i).input_latency); + output_latency.set_value ((*i).output_latency); + midi_option_combo.set_active_text ((*i).midi_option); + ignore_changes--; + break; + } + } + } + + int + EngineControl::push_state_to_backend (bool start) + { + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + + if (!backend) { + return 0; + } + + /* figure out what is going to change */ + + bool restart_required = false; + bool was_running = ARDOUR::AudioEngine::instance()->running(); + bool change_driver = false; + bool change_device = false; + bool change_rate = false; + bool change_bufsize = false; + bool change_latency = false; + bool change_channels = false; + bool change_midi = false; + + uint32_t ochan = get_output_channels (); + uint32_t ichan = get_input_channels (); + + if (_have_control) { + + if (started_at_least_once) { + + /* we can control the backend */ + + if (backend->requires_driver_selection()) { + if (get_driver() != backend->driver_name()) { + change_driver = true; + } + } + + if (get_device_name() != backend->device_name()) { + change_device = true; + } + + if (get_rate() != backend->sample_rate()) { + change_rate = true; + } + + if (get_buffer_size() != backend->buffer_size()) { + change_bufsize = true; + } + + if (get_midi_option() != backend->midi_option()) { + change_midi = true; + } + + /* zero-requested channels means "all available" */ + + if (ichan == 0) { + ichan = backend->input_channels(); + } + + 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; + } + } + + if (!_have_control) { + + /* We do not have control over the backend, so the best we can + * do is try to change the sample rate and/or bufsize and get + * out of here. + */ + + if (change_rate && !backend->can_change_sample_rate_when_running()) { + return 1; + } + + if (change_bufsize && !backend->can_change_buffer_size_when_running()) { + return 1; + } + + if (change_rate) { + backend->set_sample_rate (get_rate()); + } + + if (change_bufsize) { + backend->set_buffer_size (get_buffer_size()); + } + + post_push (); + + return 0; + } + + /* determine if we need to stop the backend before changing parameters */ + + if (change_driver || change_device || change_channels || change_latency || + (change_rate && !backend->can_change_sample_rate_when_running()) || + change_midi || + (change_bufsize && !backend->can_change_buffer_size_when_running())) { + restart_required = true; + } else { + restart_required = false; + } + + if (was_running) { + + if (!change_driver && !change_device && !change_channels && !change_latency && !change_midi) { + /* no changes in any parameters that absolutely require a + * restart, so check those that might be changeable without a + * restart + */ + + if (change_rate && !backend->can_change_sample_rate_when_running()) { + /* can't do this while running ... */ + restart_required = true; + } + + if (change_bufsize && !backend->can_change_buffer_size_when_running()) { + /* can't do this while running ... */ + restart_required = true; + } + } + } + + if (was_running) { + if (restart_required) { + if (ARDOUR_UI::instance()->disconnect_from_engine ()) { + return -1; + } + } + } + + + if (change_driver && backend->set_driver (get_driver())) { + error << string_compose (_("Cannot set driver to %1"), get_driver()) << endmsg; + return -1; + } + if (change_device && backend->set_device_name (get_device_name())) { + error << string_compose (_("Cannot set device name to %1"), get_device_name()) << endmsg; + return -1; + } + if (change_rate && backend->set_sample_rate (get_rate())) { + error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg; + return -1; + } + if (change_bufsize && backend->set_buffer_size (get_buffer_size())) { + error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg; + return -1; + } + + if (change_channels || get_input_channels() == 0 || get_output_channels() == 0) { + if (backend->set_input_channels (get_input_channels())) { + error << string_compose (_("Cannot set input channels to %1"), get_input_channels()) << endmsg; + return -1; + } + if (backend->set_output_channels (get_output_channels())) { + error << string_compose (_("Cannot set output channels to %1"), get_output_channels()) << endmsg; + return -1; + } + } + if (change_latency) { + if (backend->set_systemic_input_latency (get_input_latency())) { + error << string_compose (_("Cannot set input latency to %1"), get_input_latency()) << endmsg; + return -1; + } + if (backend->set_systemic_output_latency (get_output_latency())) { + error << string_compose (_("Cannot set output latency to %1"), get_output_latency()) << endmsg; + return -1; + } + } + + if (change_midi) { + backend->set_midi_option (get_midi_option()); + } + + if (start || (was_running && restart_required)) { + if (ARDOUR_UI::instance()->reconnect_to_engine()) { + return -1; + } + } + + post_push (); + + return 0; + } + + void + EngineControl::post_push () + { + /* get a pointer to the current state object, creating one if + * necessary + */ + + if (_have_control) { + State* state = get_saved_state_for_currently_displayed_backend_and_device (); + + if (!state) { + state = save_state (); + assert (state); + } + + /* all off */ + + for (StateList::iterator i = states.begin(); i != states.end(); ++i) { + (*i).active = false; + } + + /* mark this one active (to be used next time the dialog is + * shown) + */ + + state->active = true; + + manage_control_app_sensitivity (); + } + + /* schedule a redisplay of MIDI ports */ + + Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &EngineControl::refresh_midi_display), false), 1000); + } + + + float + EngineControl::get_rate () const + { + float r = atof (sample_rate_combo.get_active_text ()); + /* the string may have been translated with an abbreviation for + * thousands, so use a crude heuristic to fix this. + */ + if (r < 1000.0) { + r *= 1000.0; + } + return r; + } + + + uint32_t + EngineControl::get_buffer_size () const + { + string txt = buffer_size_combo.get_active_text (); + uint32_t samples; + + if (sscanf (txt.c_str(), "%d", &samples) != 1) { + throw exception (); + } + + return samples; + } + + string + EngineControl::get_midi_option () const + { + return midi_option_combo.get_active_text(); + } + + uint32_t + EngineControl::get_input_channels() const + { + return (uint32_t) input_channels_adjustment.get_value(); + } + + uint32_t + EngineControl::get_output_channels() const + { + return (uint32_t) output_channels_adjustment.get_value(); + } + + uint32_t + EngineControl::get_input_latency() const + { + return (uint32_t) input_latency_adjustment.get_value(); + } + + uint32_t + EngineControl::get_output_latency() const + { + return (uint32_t) output_latency_adjustment.get_value(); + } + + string + EngineControl::get_backend () const + { + return backend_combo.get_active_text (); + } + + string + EngineControl::get_driver () const + { + return driver_combo.get_active_text (); + } + + string + EngineControl::get_device_name () const + { + return device_combo.get_active_text (); + } + + void + EngineControl::control_app_button_clicked () + { + boost::shared_ptr 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); + } else { + cancel_button->set_sensitive (false); + ok_button->set_sensitive (false); + apply_button->set_sensitive (false); + } + + if (page_num == midi_tab) { + /* MIDI tab */ + refresh_midi_display (); + } + + if (page_num == latency_tab) { + /* latency tab */ + + if (!ARDOUR::AudioEngine::instance()->running()) { + + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + + /* save any existing latency values */ + + uint32_t il = (uint32_t) input_latency.get_value (); + uint32_t ol = (uint32_t) input_latency.get_value (); + + /* reset to zero so that our new test instance of JACK + will be clean of any existing latency measures. + */ + + input_latency.set_value (0); + output_latency.set_value (0); + + /* reset control */ + + input_latency.set_value (il); + output_latency.set_value (ol); + + } + + if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) { + disable_latency_tab (); + } + + enable_latency_tab (); + + } else { + if (lm_running) { + ARDOUR::AudioEngine::instance()->stop_latency_detection(); + } + } + } + + /* latency measurement */ + + bool + EngineControl::check_latency_measurement () + { + MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); + + if (mtdm->resolve () < 0) { + lm_results.set_markup (string_compose (results_markup, _("No signal detected "))); + return true; + } + + if (mtdm->err () > 0.3) { + mtdm->invert (); + mtdm->resolve (); + } + + char buf[128]; + ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate(); + + if (sample_rate == 0) { + lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine"))); + ARDOUR::AudioEngine::instance()->stop_latency_detection (); + return false; + } + + uint32_t frames_total = mtdm->del(); + uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); + + snprintf (buf, sizeof (buf), "%u samples / %.3lf ms", extra, extra * 1000.0f/sample_rate); + + 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; + } - return get_matching_state (backend_combo.get_active_text(), - string(), - device_combo.get_active_text()); + if (solid) { + end_latency_detection (); + lm_use_button.set_sensitive (true); + have_lm_results = true; + } + + lm_results.set_markup (string_compose (results_markup, string_compose (_("Detected roundtrip latency: %1"), buf))); + + return true; } void -EngineControl::save_state () +EngineControl::start_latency_detection () { - bool existing = true; - State* state = get_current_state (); - - 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 (); - state->input_latency = (uint32_t) input_latency.get_value(); - state->output_latency = (uint32_t) output_latency.get_value(); - - if (!existing) { - states.push_back (*state); + 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 () == 0) { + lm_results.set_markup (string_compose (results_markup, _("Detecting ..."))); + latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_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::maybe_set_state () +EngineControl::end_latency_detection () { - State* state = get_current_state (); - - if (state) { - sr_connection.block (); - bs_connection.block (); - sample_rate_combo.set_active_text (state->sample_rate); - /* need to reset possible strings for buffer size before we do - this - */ - reshow_buffer_sizes (false); - buffer_size_combo.set_active_text (state->buffer_size); - input_latency.set_value (state->input_latency); - output_latency.set_value (state->output_latency); - bs_connection.unblock (); - sr_connection.unblock (); + latency_timeout.disconnect (); + ARDOUR::AudioEngine::instance()->stop_latency_detection (); + lm_measure_label.set_text (_("Measure")); + if (!have_lm_results) { + lm_results.set_markup (string_compose (results_markup, _("No measurement results yet"))); + } else { + lm_use_button.set_sensitive (false); } + lm_input_channel_combo.set_sensitive (true); + lm_output_channel_combo.set_sensitive (true); + lm_running = false; } - -XMLNode& -EngineControl::get_state () -{ - XMLNode* root = new XMLNode ("AudioMIDISetup"); - std::string path; - - if (!states.empty()) { - XMLNode* state_nodes = new XMLNode ("EngineStates"); - - for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) { - - XMLNode* node = new XMLNode ("State"); - - node->add_property ("backend", (*i).backend); - node->add_property ("driver", (*i).driver); - node->add_property ("device", (*i).device); - node->add_property ("sample-rate", (*i).sample_rate); - node->add_property ("buffer-size", (*i).buffer_size); - node->add_property ("input-latency", (*i).input_latency); - node->add_property ("output-latency", (*i).output_latency); - node->add_property ("input-channels", (*i).input_channels); - node->add_property ("output-channels", (*i).output_channels); - node->add_property ("active", (*i).active ? "yes" : "no"); - - state_nodes->add_child_nocopy (*node); - } - - root->add_child_nocopy (*state_nodes); - } - return *root; +void +EngineControl::latency_button_clicked () +{ + if (!lm_running) { + start_latency_detection (); + } else { + end_latency_detection (); + } } void -EngineControl::set_state (const XMLNode& root) +EngineControl::use_latency_button_clicked () { - XMLNodeList clist, cclist; - XMLNodeConstIterator citer, cciter; - XMLNode* child; - XMLNode* grandchild; - XMLProperty* prop = NULL; + MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); - if (root.name() != "AudioMIDISetup") { + if (!mtdm) { return; } - clist = root.children(); - - states.clear (); - - - for (citer = clist.begin(); citer != clist.end(); ++citer) { - - child = *citer; - - if (child->name() != "EngineStates") { - continue; - } - - cclist = child->children(); - - for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) { - State state; - - grandchild = *cciter; - - if (grandchild->name() != "State") { - continue; - } - - if ((prop = grandchild->property ("backend")) == 0) { - continue; - } - state.backend = prop->value (); - - if ((prop = grandchild->property ("driver")) == 0) { - continue; - } - state.driver = prop->value (); - - if ((prop = grandchild->property ("device")) == 0) { - continue; - } - state.device = prop->value (); - - if ((prop = grandchild->property ("sample-rate")) == 0) { - continue; - } - state.sample_rate = prop->value (); - - if ((prop = grandchild->property ("buffer-size")) == 0) { - continue; - } - state.buffer_size = 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 ()); - - states.push_back (state); - } - } - - /* now see if there was an active state and switch the setup to it */ - - for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) { - if ((*i).active) { - sr_connection.block (); - bs_connection.block (); - backend_combo.set_active_text ((*i).backend); - driver_combo.set_active_text ((*i).driver); - device_combo.set_active_text ((*i).device); - sample_rate_combo.set_active_text ((*i).sample_rate); - buffer_size_combo.set_active_text ((*i).buffer_size); - input_latency.set_value ((*i).input_latency); - output_latency.set_value ((*i).output_latency); - sr_connection.unblock (); - bs_connection.unblock (); - break; - } - } -} - -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())) { - return -1; - } - } - - if (backend->set_device_name (get_device_name())) { - return -1; - } - - if (backend->set_sample_rate (get_rate())) { - error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg; - return -1; - } - if (backend->set_buffer_size (get_buffer_size())) { - error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg; - return -1; - } - if (backend->set_input_channels (get_input_channels())) { - error << string_compose (_("Cannot set input channels to %1"), get_input_channels()) << endmsg; - return -1; - } - if (backend->set_output_channels (get_output_channels())) { - error << string_compose (_("Cannot set output channels to %1"), get_output_channels()) << endmsg; - return -1; - } - if (backend->set_systemic_input_latency (get_input_latency())) { - error << string_compose (_("Cannot set input latency to %1"), get_input_latency()) << endmsg; - return -1; - } - if (backend->set_systemic_output_latency (get_output_latency())) { - error << string_compose (_("Cannot set output latency to %1"), get_output_latency()) << endmsg; - return -1; - } - - /* get a pointer to the current state object, creating one if - * necessary - */ - - State* state = get_current_state (); - - if (!state) { - save_state (); - state = get_current_state (); - assert (state); - } + uint32_t frames_total = mtdm->del(); + uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); + uint32_t one_way = extra/2; - /* all off */ + input_latency_adjustment.set_value (one_way); + output_latency_adjustment.set_value (one_way); - for (StateList::iterator i = states.begin(); i != states.end(); ++i) { - (*i).active = false; - } + /* back to settings page */ - /* mark this one active (to be used next time the dialog is - * shown) - */ - - state->active = true; - - if (start) { - return ARDOUR::AudioEngine::instance()->start(); - } - - return 0; - - } catch (...) { - cerr << "exception thrown...\n"; - return -1; - } + notebook.set_current_page (0); } -uint32_t -EngineControl::get_rate () const +bool +EngineControl::on_delete_event (GdkEventAny* ev) { - double 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; + if (notebook.get_current_page() == 2) { + /* currently on latency tab - be sure to clean up */ + end_latency_detection (); } - return lrint (r); + return ArdourDialog::on_delete_event (ev); } -uint32_t -EngineControl::get_buffer_size () const +void +EngineControl::engine_running () { - string txt = buffer_size_combo.get_active_text (); - uint32_t samples; + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); - if (sscanf (txt.c_str(), "%d", &samples) != 1) { - throw exception (); - } + buffer_size_combo.set_active_text (bufsize_as_string (backend->buffer_size())); + sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate())); - return samples; -} + buffer_size_combo.set_sensitive (true); + sample_rate_combo.set_sensitive (true); -uint32_t -EngineControl::get_input_channels() const -{ - return (uint32_t) input_channels_adjustment.get_value(); -} + connect_disconnect_button.set_label (string_compose (_("Disconnect from %1"), backend->name())); -uint32_t -EngineControl::get_output_channels() const -{ - return (uint32_t) output_channels_adjustment.get_value(); + started_at_least_once = true; } -uint32_t -EngineControl::get_input_latency() const +void +EngineControl::engine_stopped () { - return (uint32_t) input_latency_adjustment.get_value(); -} + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); -uint32_t -EngineControl::get_output_latency() const -{ - return (uint32_t) output_latency_adjustment.get_value(); -} + buffer_size_combo.set_sensitive (false); + connect_disconnect_button.set_label (string_compose (_("Connect to %1"), backend->name())); -string -EngineControl::get_driver () const + sample_rate_combo.set_sensitive (true); + buffer_size_combo.set_sensitive (true); +} + +void +EngineControl::connect_disconnect_click() { - return driver_combo.get_active_text (); + if (ARDOUR::AudioEngine::instance()->running()) { + ARDOUR_UI::instance()->disconnect_from_engine (); + } else { + ARDOUR_UI::instance()->reconnect_to_engine (); + } } -string -EngineControl::get_device_name () const +void +EngineControl::calibrate_latency () { - return device_combo.get_active_text (); + notebook.set_current_page (latency_tab); }