X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=gtk2_ardour%2Fengine_dialog.cc;h=a32ccf146e81a8486721af2e2ba9be1f14f879dd;hb=af174c051910332ef12afde1f3a1845c17ea7624;hp=4ea7511ee2faf0d3d1997acb3f814b7c5c593c21;hpb=c22e96522d9275db4b1b4ba8edddbda5e7f798b9;p=ardour.git
diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index 4ea7511ee2..a32ccf146e 100644
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -43,6 +43,7 @@
#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"
@@ -58,14 +59,16 @@ using namespace Gtk;
using namespace Gtkmm2ext;
using namespace PBD;
using namespace Glib;
+using namespace ARDOUR_UI_UTILS;
-static const unsigned int midi_tab = -1; /* not currently in use */
+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");
+static const char* results_markup = X_("%1");
EngineControl::EngineControl ()
: ArdourDialog (_("Audio/MIDI Setup"))
+ , engine_status ("")
, basic_packer (9, 4)
, input_latency_adjustment (0, 0, 99999, 1)
, input_latency (input_latency_adjustment)
@@ -78,19 +81,18 @@ EngineControl::EngineControl ()
, ports_adjustment (128, 8, 1024, 1, 16)
, ports_spinner (ports_adjustment)
, 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_button_midi (_("Calibrate Midi"))
, lm_table (12, 3)
, have_lm_results (false)
, lm_running (false)
- , midi_refresh_button (_("Refresh list"))
+ , midi_back_button (_("Back to settings"))
, ignore_changes (0)
, _desired_sample_rate (0)
, started_at_least_once (false)
- , _measure_midi(false)
{
using namespace Notebook_Helpers;
vector strings;
@@ -100,1553 +102,1830 @@ EngineControl::EngineControl ()
set_name (X_("AudioMIDISetup"));
- /* the backend combo is the one thing that is ALWAYS visible
+ /* the backend combo is the one thing that is ALWAYS visible */
+
+ vector backends = ARDOUR::AudioEngine::instance()->available_backends();
+
+ if (backends.empty()) {
+ MessageDialog msg (string_compose (_("No audio/MIDI backends detected. %1 cannot run\n\n(This is a build/packaging/system error. It should never happen.)"), PROGRAM_NAME));
+ msg.run ();
+ throw failed_constructor ();
+ }
+
+ for (vector::const_iterator b = backends.begin(); b != backends.end(); ++b) {
+ strings.push_back ((*b)->name);
+ }
+
+ set_popdown_strings (backend_combo, strings);
+ backend_combo.set_active_text (strings.front());
+ backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed));
+
+ /* setup basic packing characteristics for the table used on the main
+ * tab of the notebook
+ */
+
+ basic_packer.set_spacings (6);
+ basic_packer.set_border_width (12);
+ basic_packer.set_homogeneous (false);
+
+ /* pack it in */
+
+ basic_hbox.pack_start (basic_packer, false, false);
+
+ /* latency measurement tab */
+
+ lm_title.set_markup (string_compose ("%1", _("Latency Measurement Tool")));
+
+ row = 0;
+ lm_table.set_row_spacings (12);
+ lm_table.set_col_spacings (6);
+ lm_table.set_homogeneous (false);
+
+ lm_table.attach (lm_title, 0, 3, row, row+1, xopt, (AttachOptions) 0);
+ row++;
+
+ lm_preamble.set_width_chars (60);
+ lm_preamble.set_line_wrap (true);
+ lm_preamble.set_markup (_("Turn down the volume on your audio equipment to a very low level."));
+
+ lm_table.attach (lm_preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ row++;
+
+ Gtk::Label* preamble;
+ preamble = manage (new Label);
+ preamble->set_width_chars (60);
+ preamble->set_line_wrap (true);
+ preamble->set_markup (_("Select two channels below and connect them using a cable."));
+
+ lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ row++;
+
+ label = manage (new Label (_("Output channel")));
+ lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
+
+ Gtk::Alignment* misc_align = manage (new Alignment (0.0, 0.5));
+ misc_align->add (lm_output_channel_combo);
+ lm_table.attach (*misc_align, 1, 3, row, row+1, xopt, (AttachOptions) 0);
+ ++row;
+
+ label = manage (new Label (_("Input channel")));
+ lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
+
+ misc_align = manage (new Alignment (0.0, 0.5));
+ misc_align->add (lm_input_channel_combo);
+ lm_table.attach (*misc_align, 1, 3, row, row+1, FILL, (AttachOptions) 0);
+ ++row;
+
+ xopt = AttachOptions(0);
+
+ lm_measure_label.set_padding (10, 10);
+ lm_measure_button.add (lm_measure_label);
+ lm_measure_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::latency_button_clicked));
+ lm_use_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::use_latency_button_clicked));
+ lm_back_button_signal = lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0));
+
+ lm_use_button.set_sensitive (false);
+
+ /* Increase the default spacing around the labels of these three
+ * buttons
+ */
+
+ Gtk::Misc* l;
+
+ if ((l = dynamic_cast(lm_use_button.get_child())) != 0) {
+ l->set_padding (10, 10);
+ }
+
+ if ((l = dynamic_cast(lm_back_button.get_child())) != 0) {
+ l->set_padding (10, 10);
+ }
+
+ preamble = manage (new Label);
+ preamble->set_width_chars (60);
+ preamble->set_line_wrap (true);
+ preamble->set_markup (_("Once the channels are connected, click the \"Measure\" button."));
+ lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ row++;
+
+ preamble = manage (new Label);
+ preamble->set_width_chars (60);
+ preamble->set_line_wrap (true);
+ preamble->set_markup (_("When satisfied with the results, click the \"Use results\" button."));
+ lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+
+ ++row; // skip a row in the table
+ ++row; // skip a row in the table
+
+ lm_table.attach (lm_results, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+
+ ++row; // skip a row in the table
+ ++row; // skip a row in the table
+
+ lm_table.attach (lm_measure_button, 0, 1, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ lm_table.attach (lm_use_button, 1, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ lm_table.attach (lm_back_button, 2, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+
+ lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
+
+ lm_vbox.set_border_width (12);
+ lm_vbox.pack_start (lm_table, false, false);
+
+ midi_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0));
+
+ /* pack it all up */
+
+ notebook.pages().push_back (TabElem (basic_vbox, _("Audio")));
+ notebook.pages().push_back (TabElem (lm_vbox, _("Latency")));
+ notebook.pages().push_back (TabElem (midi_vbox, _("MIDI")));
+ notebook.set_border_width (12);
+
+ notebook.set_show_tabs (false);
+ notebook.show_all ();
+
+ notebook.set_name ("SettingsNotebook");
+
+ /* packup the notebook */
+
+ get_vbox()->set_border_width (12);
+ get_vbox()->pack_start (notebook);
+
+ 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 ("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());
+
+ if (audio_setup)
+ {
+ set_state (*audio_setup);
+ }
+ {
+ /* ignore: don't save state */
+ PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1);
+ backend_changed ();
+ }
+
+ /* Connect to signals */
+
+ driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed));
+ sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed));
+ buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed));
+ device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed));
+ midi_option_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::midi_option_changed));
+
+ input_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
+ output_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
+ input_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
+ output_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
+
+ notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page));
+
+ connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click));
+ connect_disconnect_button.set_no_show_all();
+
+}
+
+void
+EngineControl::on_show ()
+{
+ ArdourDialog::on_show ();
+ device_changed ();
+ ok_button->grab_focus();
+}
+
+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_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);
+
+ if (_have_control) {
+ build_full_control_notebook ();
+ } else {
+ build_no_control_notebook ();
+ }
+
+ basic_vbox.pack_start (basic_hbox, false, false);
+
+ {
+ PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1);
+ basic_vbox.show_all ();
+ }
+}
+
+void
+EngineControl::build_full_control_notebook ()
+{
+ boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+
+ using namespace Notebook_Helpers;
+ Label* label;
+ vector strings;
+ AttachOptions xopt = AttachOptions (FILL|EXPAND);
+ int row = 1; // row zero == backend combo
+
+ /* 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);
+
+ /* button spans 2 rows */
+
+ basic_packer.attach (control_app_button, 3, 4, row-1, row+1, xopt, xopt);
+ 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);
+
+ 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);
+
+ 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_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::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++;
+ }
+
+ 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::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;
+ }
+
+ lm_back_button_signal.disconnect();
+ if (_measure_midi) {
+ lm_back_button_signal = lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), midi_tab));
+ lm_preamble.hide ();
+ } else {
+ lm_back_button_signal = lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0));
+ lm_preamble.show ();
+ }
+
+ set_popdown_strings (lm_output_channel_combo, outputs);
+ lm_output_channel_combo.set_active_text (outputs.front());
+ lm_output_channel_combo.set_sensitive (true);
+
+ 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);
+}
+
+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_back_button, false, false);
+ midi_vbox.show_all ();
+}
+
+void
+EngineControl::setup_midi_tab_for_jack ()
+{
+}
+
+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();
+ }
+}
+
+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::refresh_midi_display (std::string focus)
+{
+ boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+
+ int row = 0;
+ AttachOptions xopt = AttachOptions (FILL|EXPAND);
+ Gtk::Label* l;
+
+ Gtkmm2ext::container_clear (midi_device_table);
+
+ midi_device_table.set_spacings (6);
+
+ 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::update_sensitivity ()
+{
+}
+
+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? setting the backend failed... how ? */
+ return;
+ }
+
+ _have_control = ARDOUR::AudioEngine::instance()->setup_required ();
+
+ build_notebook ();
+ setup_midi_tab_for_backend ();
+ _midi_devices.clear();
+
+ if (backend->requires_driver_selection()) {
+ vector drivers = backend->enumerate_drivers();
+ driver_combo.set_sensitive (true);
+
+ if (!drivers.empty()) {
+ {
+ string current_driver;
+ current_driver = backend->driver_name ();
+
+ // driver might not have been set yet
+ if (current_driver == "") {
+ current_driver = driver_combo.get_active_text ();
+ if (current_driver == "")
+ // driver has never been set, make sure it's not blank
+ current_driver = drivers.front ();
+ }
+
+ PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1);
+ set_popdown_strings (driver_combo, drivers);
+ driver_combo.set_active_text (current_driver);
+ }
+
+ driver_changed ();
+ }
+
+ } else {
+ driver_combo.set_sensitive (false);
+ /* this will change the device text which will cause a call to
+ * device changed which will set up parameters
+ */
+ list_devices ();
+ }
+
+ 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);
+ }
+ }
+
+ connect_disconnect_button.hide();
+
+ midi_option_changed();
+
+ started_at_least_once = false;
+
+ if (!ignore_changes) {
+ maybe_display_saved_state ();
+ }
+}
+
+bool
+EngineControl::print_channel_count (Gtk::SpinButton* sb)
+{
+ if (ARDOUR::Profile->get_mixbus()) {
+ cout << "Mixbus crash trap. sb->get_value(): " << sb->get_value();
+ 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;
+}
+
+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 ();
+
+ {
+ string current_device;
+ current_device = backend->device_name ();
+ if (current_device == "") {
+ // device might not have been set yet
+ current_device = device_combo.get_active_text ();
+ if (current_device == "")
+ // device has never been set, make sure it's not blank
+ current_device = available_devices.front ();
+ }
+
+ PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1);
+ set_popdown_strings (device_combo, available_devices);
+
+ device_combo.set_active_text (current_device);
+ }
+
+ device_changed ();
+
+ input_latency.set_sensitive (true);
+ output_latency.set_sensitive (true);
+ input_channels.set_sensitive (true);
+ output_channels.set_sensitive (true);
+
+ ok_button->set_sensitive (true);
+ apply_button->set_sensitive (true);
+
+ } else {
+ 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 ()
+{
+ 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::device_changed ()
+{
+
+ boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+ string device_name = device_combo.get_active_text ();
+ vector s;
+
+ //the device name must be set FIRST so ASIO can populate buffersizes and the control panel button
+ backend->set_device_name(device_name);
+
+ {
+ 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.
+ */
+
+ /* 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);
+
+ uint32_t period = backend->buffer_size();
+ if (0 == period) {
+ period = backend->default_buffer_size(device_name);
+ }
+ buffer_size_combo.set_active_text (bufsize_as_string (period));
+ 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 */
+
+ if (!ignore_changes) {
+ 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 ()
+{
+ /* reset the strings for buffer size to show the correct msec value
+ (reflecting the new sample rate).
+ */
+
+ show_buffer_duration ();
+ if (!ignore_changes) {
+ save_state ();
+ }
+
+}
+
+void
+EngineControl::buffer_size_changed ()
+{
+ show_buffer_duration ();
+ if (!ignore_changes) {
+ save_state ();
+ }
+}
+
+void
+EngineControl::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 ()
+{
+ boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+
+ backend->set_midi_option (get_midi_option());
+
+ vector midi_devices = backend->enumerate_midi_devices();
+
+ //_midi_devices.clear(); // TODO merge with state-saved settings..
+ _can_set_midi_latencies = backend->can_set_systemic_midi_latencies();
+ std::vector new_devices;
+
+ for (vector::const_iterator i = midi_devices.begin(); i != midi_devices.end(); ++i) {
+ MidiDeviceSettings mds = find_midi_device (i->name);
+ if (i->available && !mds) {
+ uint32_t input_latency = 0;
+ uint32_t output_latency = 0;
+ if (_can_set_midi_latencies) {
+ input_latency = backend->systemic_midi_input_latency (i->name);
+ output_latency = backend->systemic_midi_output_latency (i->name);
+ }
+ bool enabled = backend->midi_device_enabled (i->name);
+ MidiDeviceSettings ptr (new MidiDeviceSetting (i->name, enabled, input_latency, output_latency));
+ new_devices.push_back (ptr);
+ } else if (i->available) {
+ new_devices.push_back (mds);
+ }
+ }
+ _midi_devices = new_devices;
+
+ if (_midi_devices.empty()) {
+ midi_devices_button.set_sensitive (false);
+ } else {
+ midi_devices_button.set_sensitive (true);
+ }
+
+ if (!ignore_changes) {
+ save_state ();
+ }
+}
+
+void
+EngineControl::parameter_changed ()
+{
+ 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 &&
+ (!_have_control || ((*i)->driver == driver && (*i)->device == 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) {
+ 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 ()
+{
+ 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 ((*i)->backend == state->backend &&
+ (*i)->driver == state->driver &&
+ (*i)->device == state->device) {
+ i = states.erase(i);
+ } else {
+ ++i;
+ }
+ }
+
+ states.push_back (state);
+
+ return state;
+}
+
+void
+EngineControl::store_state (State state)
+{
+ state->backend = get_backend ();
+ state->driver = get_driver ();
+ state->device = get_device_name ();
+ state->sample_rate = get_rate ();
+ state->buffer_size = get_buffer_size ();
+ state->input_latency = get_input_latency ();
+ state->output_latency = get_output_latency ();
+ state->input_channels = get_input_channels ();
+ state->output_channels = get_output_channels ();
+ state->midi_option = get_midi_option ();
+ state->midi_devices = _midi_devices;
+}
+
+void
+EngineControl::maybe_display_saved_state ()
+{
+ 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);
+ _midi_devices = state->midi_devices;
+ }
+ }
+}
+
+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);
+
+ 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;
+
+ 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 (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 ("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) {
+ 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.
+ */
- vector backends = ARDOUR::AudioEngine::instance()->available_backends();
- if (backends.empty()) {
- MessageDialog msg (string_compose (_("No audio/MIDI backends detected. %1 cannot run\n\n(This is a build/packaging/system error. It should never happen.)"), PROGRAM_NAME));
- msg.run ();
- throw failed_constructor ();
- }
+ if (get_rate() != backend->sample_rate()) {
+ change_bufsize = true;
+ }
- for (vector::const_iterator b = backends.begin(); b != backends.end(); ++b) {
- strings.push_back ((*b)->name);
+ if (get_buffer_size() != backend->buffer_size()) {
+ change_bufsize = true;
+ }
}
- 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));
+ if (!_have_control) {
- /* setup basic packing characteristics for the table used on the main
- * tab of the notebook
- */
+ /* 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.
+ */
- basic_packer.set_spacings (6);
- basic_packer.set_border_width (12);
- basic_packer.set_homogeneous (false);
+ if (change_rate && !backend->can_change_sample_rate_when_running()) {
+ return 1;
+ }
- /* pack it in */
+ if (change_bufsize && !backend->can_change_buffer_size_when_running()) {
+ return 1;
+ }
- basic_hbox.pack_start (basic_packer, false, false);
+ if (change_rate) {
+ backend->set_sample_rate (get_rate());
+ }
- /* latency tab */
+ if (change_bufsize) {
+ backend->set_buffer_size (get_buffer_size());
+ }
- /* 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++;
+ if (start) {
+ if (ARDOUR::AudioEngine::instance()->start ()) {
+ error << string_compose (_("Could not start backend engine %1"), backend->name()) << endmsg;
+ return -1;
+ }
+ }
- Gtk::Label* preamble;
+ post_push ();
- 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."));
+ return 0;
+ }
- lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
- row++;
+ /* determine if we need to stop the backend before changing parameters */
- 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."));
+ 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;
+ }
- lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
- row++;
+ if (was_running) {
- label = manage (new Label (_("Output channel")));
- lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
+ 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
+ */
- 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;
+ if (change_rate && !backend->can_change_sample_rate_when_running()) {
+ /* can't do this while running ... */
+ restart_required = true;
+ }
- label = manage (new Label (_("Input channel")));
- lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
+ if (change_bufsize && !backend->can_change_buffer_size_when_running()) {
+ /* can't do this while running ... */
+ restart_required = true;
+ }
+ }
+ }
- 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;
+ if (was_running) {
+ if (restart_required) {
+ if (ARDOUR_UI::instance()->disconnect_from_engine ()) {
+ return -1;
+ }
+ }
+ }
- xopt = AttachOptions(0);
- lm_measure_label.set_padding (10, 10);
- lm_measure_button.add (lm_measure_label);
- lm_measure_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::latency_button_clicked));
- lm_use_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::use_latency_button_clicked));
- lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0));
-
- lm_use_button.set_sensitive (false);
+ 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;
+ }
- /* Increase the default spacing around the labels of these three
- * buttons
- */
+ 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;
+ }
+ }
- Gtk::Misc* l;
+ if (change_midi) {
+ backend->set_midi_option (get_midi_option());
+ }
- if ((l = dynamic_cast(lm_use_button.get_child())) != 0) {
- l->set_padding (10, 10);
+ if (1 /* TODO */) {
+ for (vector::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) {
+ if (_measure_midi) {
+ if (*p == _measure_midi) {
+ backend->set_midi_device_enabled ((*p)->name, true);
+ } else {
+ backend->set_midi_device_enabled ((*p)->name, false);
+ }
+ continue;
+ }
+ backend->set_midi_device_enabled ((*p)->name, (*p)->enabled);
+ if (backend->can_set_systemic_midi_latencies()) {
+ backend->set_systemic_midi_input_latency ((*p)->name, (*p)->input_latency);
+ backend->set_systemic_midi_output_latency ((*p)->name, (*p)->output_latency);
+ }
+ }
}
- if ((l = dynamic_cast(lm_back_button.get_child())) != 0) {
- l->set_padding (10, 10);
+ if (start || (was_running && restart_required)) {
+ if (ARDOUR_UI::instance()->reconnect_to_engine()) {
+ return -1;
+ }
}
- 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++;
+ post_push ();
- 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);
+ return 0;
+}
- ++row; // skip a row in the table
- ++row; // skip a row in the table
+void
+EngineControl::post_push ()
+{
+ /* get a pointer to the current state object, creating one if
+ * necessary
+ */
- lm_table.attach (lm_results, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ State state = get_saved_state_for_currently_displayed_backend_and_device ();
- ++row; // skip a row in the table
- ++row; // skip a row in the table
+ if (!state) {
+ state = save_state ();
+ assert (state);
+ }
- 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);
+ /* all off */
- lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
+ for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
+ (*i)->active = false;
+ }
- lm_vbox.set_border_width (12);
- lm_vbox.pack_start (lm_table, false, false);
+ /* mark this one active (to be used next time the dialog is
+ * shown)
+ */
- /* pack it all up */
+ state->active = true;
- 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);
+ if (_have_control) { // XXX
+ manage_control_app_sensitivity ();
+ }
- notebook.set_show_tabs (false);
- notebook.show_all ();
+ /* schedule a redisplay of MIDI ports */
+ //Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &EngineControl::refresh_midi_display), false), 1000);
+}
- notebook.set_name ("SettingsNotebook");
- /* packup the notebook */
+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;
+}
- 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.
- */
+uint32_t
+EngineControl::get_buffer_size () const
+{
+ string txt = buffer_size_combo.get_active_text ();
+ uint32_t samples;
- 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));
+ if (sscanf (txt.c_str(), "%d", &samples) != 1) {
+ throw exception ();
+ }
- control_app_button.signal_clicked().connect (mem_fun (*this, &EngineControl::control_app_button_clicked));
- manage_control_app_sensitivity ();
+ return samples;
+}
- 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);
+string
+EngineControl::get_midi_option () const
+{
+ return midi_option_combo.get_active_text();
+}
- /* Pick up any existing audio setup configuration, if appropriate */
+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();
+}
- XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup");
+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();
+}
- 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());
+uint32_t
+EngineControl::get_input_latency() const
+{
+ return (uint32_t) input_latency_adjustment.get_value();
+}
- backend_changed ();
+uint32_t
+EngineControl::get_output_latency() const
+{
+ return (uint32_t) output_latency_adjustment.get_value();
+}
- /* Connect to signals */
+string
+EngineControl::get_backend () const
+{
+ return backend_combo.get_active_text ();
+}
- 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));
+string
+EngineControl::get_driver () const
+{
+ if (driver_combo.get_sensitive() && driver_combo.get_parent()) {
+ return driver_combo.get_active_text ();
+ } else {
+ return "";
+ }
+}
- 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));
+string
+EngineControl::get_device_name () const
+{
+ return device_combo.get_active_text ();
+}
- if (audio_setup) {
- set_state (*audio_setup);
+void
+EngineControl::control_app_button_clicked ()
+{
+ boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend();
+
+ if (!backend) {
+ return;
}
- 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_audio.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_audio_latency));
- lm_button_audio.set_name ("generic button");
-
- lm_button_midi.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_midi_latency));
- lm_button_midi.set_name ("generic 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_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 (lm_button_midi, 3, 4, row, row+1, xopt, xopt);
- 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::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 (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 ()
- {
- 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();
- driver_combo.set_sensitive (true);
-
- 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);
- }
- }
- started_at_least_once = false;
-
- if (!ignore_changes) {
- 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 ()
- {
- 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::device_changed ()
- {
-
- 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.
- */
+ backend->launch_control_app ();
+}
- /* 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 */
-
- if (!ignore_changes) {
- 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 ()
- {
- /* reset the strings for buffer size to show the correct msec value
- (reflecting the new sample rate).
- */
+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 ();
+}
- show_buffer_duration ();
- if (!ignore_changes) {
- save_state ();
- }
+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 ();
+ }
- void
- EngineControl::buffer_size_changed ()
- {
- show_buffer_duration ();
- if (!ignore_changes) {
- save_state ();
- }
- }
+ if (page_num == latency_tab) {
+ /* latency tab */
- void
- EngineControl::show_buffer_duration ()
- {
+ if (ARDOUR::AudioEngine::instance()->running()) {
+ // TODO - mark as 'stopped for latency
+ ARDOUR_UI::instance()->disconnect_from_engine ();
+ }
- /* buffer sizes - convert from just samples to samples + msecs for
- * the displayed string
- */
+ {
+ PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1);
- string bs_text = buffer_size_combo.get_active_text ();
- uint32_t samples = atoi (bs_text); /* will ignore trailing text */
- uint32_t rate = get_rate();
+ /* save any existing latency values */
- /* 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);
- }
- }
- }
+ uint32_t il = (uint32_t) input_latency.get_value ();
+ uint32_t ol = (uint32_t) input_latency.get_value ();
- 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());
- }
-
- 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 (!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
- will be clean of any existing latency measures.
- */
+ /* reset to zero so that our new test instance
+ will be clean of any existing latency measures.
- input_latency.set_value (0);
- output_latency.set_value (0);
+ NB. this should really be done by the backend
+ when stated for latency measurement.
+ */
- push_state_to_backend(false);
+ input_latency.set_value (0);
+ output_latency.set_value (0);
- /* reset control */
+ push_state_to_backend (false);
- input_latency.set_value (il);
- output_latency.set_value (ol);
+ /* reset control */
- }
+ input_latency.set_value (il);
+ output_latency.set_value (ol);
- if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) {
- disable_latency_tab ();
- }
+ }
+ // This should be done in push_state_to_backend()
+ if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) {
+ disable_latency_tab ();
+ }
- enable_latency_tab ();
+ enable_latency_tab ();
- } else {
- if (lm_running) {
- ARDOUR::AudioEngine::instance()->stop_latency_detection();
- }
- }
- }
+ } else {
+ if (lm_running) {
+ end_latency_detection ();
+ ARDOUR::AudioEngine::instance()->stop_latency_detection();
+ }
+ }
+}
- /* latency measurement */
+/* latency measurement */
bool
EngineControl::check_audio_latency_measurement ()
@@ -1695,14 +1974,15 @@ EngineControl::check_audio_latency_measurement ()
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);
- have_lm_results = true;
+ return false;
}
- lm_results.set_markup (string_compose (results_markup, buf));
-
return true;
}
@@ -1751,9 +2031,16 @@ EngineControl::check_midi_latency_measurement ()
}
if (solid) {
- end_latency_detection ();
- lm_use_button.set_sensitive (false); // XXX TODO
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));
@@ -1767,7 +2054,7 @@ 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) == 0) {
+ 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);
@@ -1790,8 +2077,6 @@ EngineControl::end_latency_detection ()
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);
@@ -1813,16 +2098,16 @@ void
EngineControl::use_latency_button_clicked ()
{
if (_measure_midi) {
-#if 0 // TODO
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 = extra / 2;
- // TODO assign to all or one specific device
-#endif
+ 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 ();
@@ -1830,18 +2115,17 @@ EngineControl::use_latency_button_clicked ()
return;
}
- uint32_t frames_total = mtdm->del();
- uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
- uint32_t one_way = extra/2;
+ 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);
+ /* back to settings page */
+ notebook.set_current_page (0);
}
+ }
+
bool
EngineControl::on_delete_event (GdkEventAny* ev)
@@ -1866,8 +2150,10 @@ EngineControl::engine_running ()
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
@@ -1878,13 +2164,15 @@ EngineControl::engine_stopped ()
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::connect_disconnect_click()
+EngineControl::connect_disconnect_click()
{
if (ARDOUR::AudioEngine::instance()->running()) {
ARDOUR_UI::instance()->disconnect_from_engine ();
@@ -1896,14 +2184,25 @@ EngineControl::connect_disconnect_click()
void
EngineControl::calibrate_audio_latency ()
{
- _measure_midi = false;
+ _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 ()
+EngineControl::calibrate_midi_latency (MidiDeviceSettings s)
{
- _measure_midi = true;
+ _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);
+}