#include <exception>
#include <vector>
#include <cmath>
-#include <fstream>
#include <map>
#include <boost/scoped_ptr.hpp>
#include <gtkmm/messagedialog.h>
#include "pbd/error.h"
+#include "pbd/locale_guard.h"
#include "pbd/xml++.h"
#include "pbd/unwind.h"
#include "pbd/failed_constructor.h"
#include "ardour/audio_backend.h"
#include "ardour/audioengine.h"
#include "ardour/mtdm.h"
+#include "ardour/mididm.h"
#include "ardour/rc_configuration.h"
#include "ardour/types.h"
+#include "ardour/profile.h"
#include "pbd/convert.h"
#include "pbd/error.h"
+#include "opts.h"
+#include "debug.h"
#include "ardour_ui.h"
#include "engine_dialog.h"
#include "gui_thread.h"
+#include "ui_config.h"
+#include "public_editor.h"
#include "utils.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
+#include "splash.h"
using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace PBD;
using namespace Glib;
+using namespace ArdourWidgets;
+using namespace ARDOUR_UI_UTILS;
-static const unsigned int midi_tab = -1; /* not currently in use */
+#define DEBUG_ECONTROL(msg) DEBUG_TRACE (PBD::DEBUG::EngineControl, string_compose ("%1: %2\n", __LINE__, msg));
+
+static const unsigned int midi_tab = 2;
static const unsigned int latency_tab = 1; /* zero-based, page zero is the main setup page */
-static const char* results_markup = X_("<span foreground=\"red\" style=\"italic\" size=\"larger\">%1</span>");
+static const char* results_markup = X_("<span weight=\"bold\" size=\"larger\">%1</span>");
EngineControl::EngineControl ()
: ArdourDialog (_("Audio/MIDI Setup"))
+ , engine_status ("")
, basic_packer (9, 4)
, input_latency_adjustment (0, 0, 99999, 1)
, input_latency (input_latency_adjustment)
, ports_adjustment (128, 8, 1024, 1, 16)
, ports_spinner (ports_adjustment)
, control_app_button (_("Device Control Panel"))
+ , midi_devices_button (_("Midi Device Setup"))
+ , start_stop_button (_("Stop"))
+ , update_devices_button (_("Refresh Devices"))
+ , use_buffered_io_button (_("Use Buffered I/O"), ArdourButton::led_default_elements)
, lm_measure_label (_("Measure"))
, lm_use_button (_("Use results"))
, lm_back_button (_("Back to settings ... (ignore results)"))
- , lm_button (_("Calibrate..."))
+ , lm_button_audio (_("Calibrate Audio"))
, 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)
+ , ignore_device_changes (0)
, _desired_sample_rate (0)
, started_at_least_once (false)
+ , queue_device_changed (false)
+ , _have_control (true)
+ , block_signals(0)
{
using namespace Notebook_Helpers;
- vector<string> strings;
+ vector<string> backend_names;
Label* label;
AttachOptions xopt = AttachOptions (FILL|EXPAND);
int row;
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<const ARDOUR::AudioBackendInfo*> backends = ARDOUR::AudioEngine::instance()->available_backends();
}
for (vector<const ARDOUR::AudioBackendInfo*>::const_iterator b = backends.begin(); b != backends.end(); ++b) {
- strings.push_back ((*b)->name);
+ backend_names.push_back ((*b)->name);
}
- set_popdown_strings (backend_combo, strings);
- backend_combo.set_active_text (strings.front());
- backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed));
+ set_popdown_strings (backend_combo, backend_names);
/* setup basic packing characteristics for the table used on the main
* tab of the notebook
basic_hbox.pack_start (basic_packer, false, false);
- /* latency tab */
-
/* latency measurement tab */
-
+
lm_title.set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("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++;
- Gtk::Label* preamble;
-
- preamble = manage (new Label);
- preamble->set_width_chars (60);
- preamble->set_line_wrap (true);
- preamble->set_markup (_("<span weight=\"bold\">Turn down the volume on your audio equipment to a very low level.</span>"));
+ lm_preamble.set_width_chars (60);
+ lm_preamble.set_line_wrap (true);
+ lm_preamble.set_markup (_("<span weight=\"bold\">Turn down the volume on your audio equipment to a very low level.</span>"));
- lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ 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);
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_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0));
-
+ lm_back_button_signal = lm_back_button.signal_clicked().connect(
+ sigc::mem_fun(*this, &EngineControl::latency_back_button_clicked));
+
lm_use_button.set_sensitive (false);
/* Increase the default spacing around the labels of these three
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
+ ++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
+ ++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_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 (midi_vbox, _("MIDI")));
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);
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));
- control_app_button.signal_clicked().connect (mem_fun (*this, &EngineControl::control_app_button_clicked));
+ midi_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::configure_midi_devices));
+ 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));
+ control_app_button.set_name ("generic button");
+ control_app_button.set_can_focus(true);
manage_control_app_sensitivity ();
- 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);
+ start_stop_button.signal_clicked.connect (mem_fun (*this, &EngineControl::start_stop_button_clicked));
+ start_stop_button.set_sensitive (false);
+ start_stop_button.set_name ("generic button");
+ start_stop_button.set_can_focus(true);
+ start_stop_button.set_can_default(true);
+ start_stop_button.set_act_on_release (false);
+
+ update_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::update_devices_button_clicked));
+ update_devices_button.set_sensitive (false);
+ update_devices_button.set_name ("generic button");
+ update_devices_button.set_can_focus(true);
+
+ use_buffered_io_button.signal_clicked.connect (mem_fun (*this, &EngineControl::use_buffered_io_button_clicked));
+ use_buffered_io_button.set_sensitive (false);
+ use_buffered_io_button.set_name ("generic button");
+ use_buffered_io_button.set_can_focus(true);
/* Pick up any existing audio setup configuration, if appropriate */
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());
-
- backend_changed ();
+ ARDOUR::AudioEngine::instance()->DeviceListChanged.connect (devicelist_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::device_list_changed, this), gui_context());
if (audio_setup) {
- set_state (*audio_setup);
+ if (!set_state (*audio_setup)) {
+ set_default_state ();
+ }
+ } else {
+ set_default_state ();
}
- /* Connect to signals */
+ update_sensitivity ();
+ connect_changed_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));
+ notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page));
- 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));
+ connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click));
- notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page));
- }
-
- void
- EngineControl::on_response (int response_id)
- {
- ArdourDialog::on_response (response_id);
-
- switch (response_id) {
- case RESPONSE_APPLY:
- push_state_to_backend (true);
- break;
- case RESPONSE_OK:
- push_state_to_backend (true);
- hide ();
- break;
- case RESPONSE_DELETE_EVENT: {
- GdkEventButton ev;
- ev.type = GDK_BUTTON_PRESS;
- ev.button = 1;
- on_delete_event ((GdkEventAny*) &ev);
- break;
- }
- default:
- hide ();
- }
- }
-
- void
- EngineControl::build_notebook ()
- {
- Label* label;
- AttachOptions xopt = AttachOptions (FILL|EXPAND);
-
- /* clear the table */
-
- Gtkmm2ext::container_clear (basic_vbox);
- Gtkmm2ext::container_clear (basic_packer);
-
- if (control_app_button.get_parent()) {
- control_app_button.get_parent()->remove (control_app_button);
- }
-
- label = manage (left_aligned_label (_("Audio System:")));
- basic_packer.attach (*label, 0, 1, 0, 1, xopt, (AttachOptions) 0);
- basic_packer.attach (backend_combo, 1, 2, 0, 1, xopt, (AttachOptions) 0);
-
- lm_button.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_latency));
- lm_button.set_name ("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<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
-
- using namespace Notebook_Helpers;
- Label* label;
- vector<string> strings;
- AttachOptions xopt = AttachOptions (FILL|EXPAND);
- int row = 1; // row zero == backend combo
-
- /* start packing it up */
-
- if (backend->requires_driver_selection()) {
- label = manage (left_aligned_label (_("Driver:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
- basic_packer.attach (driver_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
- row++;
- }
-
- label = manage (left_aligned_label (_("Device:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
- basic_packer.attach (device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
- row++;
-
- label = manage (left_aligned_label (_("Sample rate:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
- basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
- row++;
-
-
- label = manage (left_aligned_label (_("Buffer size:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
- basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
- buffer_size_duration_label.set_alignment (0.0); /* left-align */
- basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0);
- row++;
-
- input_channels.set_name ("InputChannels");
- input_channels.set_flags(Gtk::CAN_FOCUS);
- input_channels.set_digits(0);
- input_channels.set_wrap(false);
- output_channels.set_editable (true);
-
- label = manage (left_aligned_label (_("Input Channels:")));
- basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
- basic_packer.attach (input_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0);
- ++row;
-
- output_channels.set_name ("OutputChannels");
- output_channels.set_flags(Gtk::CAN_FOCUS);
- output_channels.set_digits(0);
- output_channels.set_wrap(false);
- output_channels.set_editable (true);
-
- label = manage (left_aligned_label (_("Output Channels:")));
- basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
- basic_packer.attach (output_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0);
- ++row;
-
- input_latency.set_name ("InputLatency");
- input_latency.set_flags(Gtk::CAN_FOCUS);
- input_latency.set_digits(0);
- input_latency.set_wrap(false);
- input_latency.set_editable (true);
-
- label = manage (left_aligned_label (_("Hardware input latency:")));
- basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
- basic_packer.attach (input_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0);
- label = manage (left_aligned_label (_("samples")));
- basic_packer.attach (*label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0);
- ++row;
-
- output_latency.set_name ("OutputLatency");
- output_latency.set_flags(Gtk::CAN_FOCUS);
- output_latency.set_digits(0);
- output_latency.set_wrap(false);
- output_latency.set_editable (true);
-
- label = manage (left_aligned_label (_("Hardware output latency:")));
- basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
- basic_packer.attach (output_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0);
- label = manage (left_aligned_label (_("samples")));
- basic_packer.attach (*label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0);
-
- /* button spans 2 rows */
-
- basic_packer.attach (lm_button, 3, 4, row-1, row+1, xopt, xopt);
- ++row;
-
- label = manage (left_aligned_label (_("MIDI System")));
- basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
- basic_packer.attach (midi_option_combo, 1, 2, row, row + 1, SHRINK, (AttachOptions) 0);
- row++;
- }
-
- void
- EngineControl::build_no_control_notebook ()
- {
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
-
- using namespace Notebook_Helpers;
- Label* label;
- vector<string> strings;
- AttachOptions xopt = AttachOptions (FILL|EXPAND);
- int row = 1; // row zero == backend combo
- const string msg = string_compose (_("The %1 audio backend was configured and started externally.\nThis limits your control over it."), backend->name());
-
- label = manage (new Label);
- label->set_markup (string_compose ("<span weight=\"bold\" foreground=\"red\">%1</span>", msg));
- basic_packer.attach (*label, 0, 2, row, row + 1, xopt, (AttachOptions) 0);
- row++;
-
- if (backend->can_change_sample_rate_when_running()) {
- label = manage (left_aligned_label (_("Sample rate:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
- basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
- row++;
- }
-
- if (backend->can_change_buffer_size_when_running()) {
- label = manage (left_aligned_label (_("Buffer size:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
- basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
- buffer_size_duration_label.set_alignment (0.0); /* left-align */
- basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, xopt, (AttachOptions) 0);
- row++;
- }
-
- connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click));
-
- basic_packer.attach (connect_disconnect_button, 0, 2, row, row+1, FILL, AttachOptions (0));
- row++;
- }
-
- EngineControl::~EngineControl ()
- {
- ignore_changes = true;
- }
-
- void
- EngineControl::disable_latency_tab ()
- {
- vector<string> empty;
- set_popdown_strings (lm_output_channel_combo, empty);
- set_popdown_strings (lm_input_channel_combo, empty);
- lm_measure_button.set_sensitive (false);
- lm_use_button.set_sensitive (false);
- }
-
- void
- EngineControl::enable_latency_tab ()
- {
- vector<string> outputs;
- vector<string> inputs;
-
- ARDOUR::AudioEngine::instance()->get_physical_outputs (ARDOUR::DataType::AUDIO, outputs);
- ARDOUR::AudioEngine::instance()->get_physical_inputs (ARDOUR::DataType::AUDIO, inputs);
-
- if (inputs.empty() || outputs.empty()) {
- MessageDialog msg (_("Your selected audio configuration is playback- or capture-only.\n\nLatency calibration requires playback and capture"));
- lm_measure_button.set_sensitive (false);
- notebook.set_current_page (0);
- msg.run ();
- return;
- }
-
- if (!outputs.empty()) {
- set_popdown_strings (lm_output_channel_combo, outputs);
- lm_output_channel_combo.set_active_text (outputs.front());
- lm_output_channel_combo.set_sensitive (true);
- } else {
- lm_output_channel_combo.set_sensitive (false);
- }
-
- if (!inputs.empty()) {
- set_popdown_strings (lm_input_channel_combo, inputs);
- lm_input_channel_combo.set_active_text (inputs.front());
- lm_input_channel_combo.set_sensitive (true);
- } else {
- lm_input_channel_combo.set_sensitive (false);
- }
-
- lm_measure_button.set_sensitive (true);
- }
-
- void
- EngineControl::setup_midi_tab_for_backend ()
- {
- string backend = backend_combo.get_active_text ();
-
- Gtkmm2ext::container_clear (midi_vbox);
-
- midi_vbox.set_border_width (12);
- midi_device_table.set_border_width (12);
-
- if (backend == "JACK") {
- setup_midi_tab_for_jack ();
- }
-
- midi_vbox.pack_start (midi_device_table, true, true);
- midi_vbox.pack_start (midi_refresh_button, false, false);
- midi_vbox.show_all ();
-
- midi_refresh_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::refresh_midi_display));
- }
-
- void
- EngineControl::setup_midi_tab_for_jack ()
- {
- }
-
- void
- EngineControl::refresh_midi_display ()
- {
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
-
- vector<string> midi_inputs;
- vector<string> midi_outputs;
- int row = 0;
- AttachOptions xopt = AttachOptions (FILL|EXPAND);
- Gtk::Label* l;
-
- Gtkmm2ext::container_clear (midi_device_table);
-
- backend->get_physical_inputs (ARDOUR::DataType::MIDI, midi_inputs);
- backend->get_physical_outputs (ARDOUR::DataType::MIDI, midi_outputs);
-
- midi_device_table.set_spacings (6);
- midi_device_table.set_homogeneous (true);
- midi_device_table.resize (midi_inputs.size() + midi_outputs.size() + 3, 1);
-
- l = manage (new Label);
- l->set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("MIDI Inputs")));
- midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0));
- l->set_alignment (0, 0.5);
- row++;
- l->show ();
-
- for (vector<string>::iterator p = midi_inputs.begin(); p != midi_inputs.end(); ++p) {
- l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1)));
- l->set_alignment (0, 0.5);
- midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0));
- l->show ();
- row++;
- }
-
- row++; // extra row of spacing
-
- l = manage (new Label);
- l->set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("MIDI Outputs")));
- midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0));
- l->set_alignment (0, 0.5);
- row++;
- l->show ();
-
- for (vector<string>::iterator p = midi_outputs.begin(); p != midi_outputs.end(); ++p) {
- l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1)));
- l->set_alignment (0, 0.5);
- midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0));
- l->show ();
- row++;
- }
- }
-
- void
- EngineControl::update_sensitivity ()
- {
- }
-
- void
- EngineControl::backend_changed ()
- {
- if (ignore_changes) {
- return;
- }
-
- string backend_name = backend_combo.get_active_text();
- boost::shared_ptr<ARDOUR::AudioBackend> backend;
-
- if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, "ardour", ""))) {
- /* eh? setting the backend failed... how ? */
- return;
- }
-
- _have_control = ARDOUR::AudioEngine::instance()->setup_required ();
-
- build_notebook ();
- setup_midi_tab_for_backend ();
-
- if (backend->requires_driver_selection()) {
- vector<string> drivers = backend->enumerate_drivers();
-
- if (!drivers.empty()) {
- {
- PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
- set_popdown_strings (driver_combo, drivers);
- driver_combo.set_active_text (drivers.front());
- }
-
- driver_changed ();
- }
-
- } else {
- driver_combo.set_sensitive (false);
- /* this will change the device text which will cause a call to
- * device changed which will set up parameters
- */
- list_devices ();
- }
-
- vector<string> midi_options = backend->enumerate_midi_options();
-
- if (midi_options.size() == 1) {
- /* only contains the "none" option */
- midi_option_combo.set_sensitive (false);
- } else {
- if (_have_control) {
- set_popdown_strings (midi_option_combo, midi_options);
- midi_option_combo.set_active_text (midi_options.front());
- midi_option_combo.set_sensitive (true);
- } else {
- midi_option_combo.set_sensitive (false);
- }
- }
-
- maybe_display_saved_state ();
- }
-
- bool
- EngineControl::print_channel_count (Gtk::SpinButton* sb)
- {
- uint32_t cnt = (uint32_t) sb->get_value();
- if (cnt == 0) {
- sb->set_text (_("all available channels"));
- } else {
- char buf[32];
- snprintf (buf, sizeof (buf), "%d", cnt);
- sb->set_text (buf);
- }
- return true;
- }
-
- void
- EngineControl::list_devices ()
- {
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
-
- /* now fill out devices, mark sample rates, buffer sizes insensitive */
-
- vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_devices ();
-
- /* NOTE: Ardour currently does not display the "available" field of the
- * returned devices.
- *
- * Doing so would require a different GUI widget than the combo
- * box/popdown that we currently use, since it has no way to list
- * items that are not selectable. Something more like a popup menu,
- * which could have unselectable items, would be appropriate.
- */
-
- vector<string> available_devices;
-
- for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) {
- available_devices.push_back (i->name);
- }
-
- if (!available_devices.empty()) {
-
- update_sensitivity ();
-
- {
- PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
- set_popdown_strings (device_combo, available_devices);
- device_combo.set_active_text (available_devices.front());
- }
-
- device_changed ();
-
- ok_button->set_sensitive (true);
- apply_button->set_sensitive (true);
-
- } else {
- sample_rate_combo.set_sensitive (false);
- buffer_size_combo.set_sensitive (false);
- input_latency.set_sensitive (false);
- output_latency.set_sensitive (false);
- input_channels.set_sensitive (false);
- output_channels.set_sensitive (false);
- ok_button->set_sensitive (false);
- apply_button->set_sensitive (false);
- }
- }
-
- void
- EngineControl::driver_changed ()
- {
- if (ignore_changes) {
- return;
- }
-
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
-
- backend->set_driver (driver_combo.get_active_text());
- list_devices ();
-
- maybe_display_saved_state ();
- }
-
- void
- EngineControl::device_changed ()
- {
- if (ignore_changes) {
- return;
- }
-
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
- string device_name = device_combo.get_active_text ();
- vector<string> s;
-
- {
- PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
-
- /* don't allow programmatic change to combos to cause a
- recursive call to this method.
- */
+ connect_disconnect_button.set_no_show_all();
+ use_buffered_io_button.set_no_show_all();
+ update_devices_button.set_no_show_all();
+ start_stop_button.set_no_show_all();
+ midi_devices_button.set_no_show_all();
+}
- /* sample rates */
-
- string desired;
-
- vector<float> sr;
-
- if (_have_control) {
- sr = backend->available_sample_rates (device_name);
- } else {
-
- sr.push_back (8000.0f);
- sr.push_back (16000.0f);
- sr.push_back (32000.0f);
- sr.push_back (44100.0f);
- sr.push_back (48000.0f);
- sr.push_back (88200.0f);
- sr.push_back (96000.0f);
- sr.push_back (192000.0f);
- sr.push_back (384000.0f);
- }
-
- for (vector<float>::const_iterator x = sr.begin(); x != sr.end(); ++x) {
- s.push_back (rate_as_string (*x));
- if (*x == _desired_sample_rate) {
- desired = s.back();
- }
- }
-
- if (!s.empty()) {
- sample_rate_combo.set_sensitive (true);
- set_popdown_strings (sample_rate_combo, s);
-
- if (desired.empty()) {
- sample_rate_combo.set_active_text (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<uint32_t> bs;
-
- if (_have_control) {
- bs = backend->available_buffer_sizes(device_name);
- } else if (backend->can_change_buffer_size_when_running()) {
- bs.push_back (8);
- bs.push_back (16);
- bs.push_back (32);
- bs.push_back (64);
- bs.push_back (128);
- bs.push_back (256);
- bs.push_back (512);
- bs.push_back (1024);
- bs.push_back (2048);
- bs.push_back (4096);
- bs.push_back (8192);
- }
- s.clear ();
- for (vector<uint32_t>::const_iterator x = bs.begin(); x != bs.end(); ++x) {
- s.push_back (bufsize_as_string (*x));
- }
-
- if (!s.empty()) {
- buffer_size_combo.set_sensitive (true);
- set_popdown_strings (buffer_size_combo, s);
-
- buffer_size_combo.set_active_text (bufsize_as_string (backend->default_buffer_size()));
- show_buffer_duration ();
- } else {
- buffer_size_combo.set_sensitive (false);
- }
-
- /* XXX theoretically need to set min + max channel counts here
- */
-
- manage_control_app_sensitivity ();
- }
-
- /* pick up any saved state for this device */
-
- maybe_display_saved_state ();
- }
-
- string
- EngineControl::bufsize_as_string (uint32_t sz)
- {
- /* Translators: "samples" is always plural here, so no
- need for plural+singular forms.
- */
- char buf[32];
- snprintf (buf, sizeof (buf), _("%u samples"), sz);
- return buf;
- }
-
- void
- EngineControl::sample_rate_changed ()
- {
- if (ignore_changes) {
- return;
- }
-
- /* reset the strings for buffer size to show the correct msec value
- (reflecting the new sample rate).
- */
+void
+EngineControl::connect_changed_signals ()
+{
+ backend_combo_connection = backend_combo.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::backend_changed));
+ driver_combo_connection = driver_combo.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::driver_changed));
+ sample_rate_combo_connection = sample_rate_combo.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::sample_rate_changed));
+ buffer_size_combo_connection = buffer_size_combo.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::buffer_size_changed));
+ nperiods_combo_connection = nperiods_combo.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::nperiods_changed));
+ device_combo_connection = device_combo.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::device_changed));
+ midi_option_combo_connection = midi_option_combo.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::midi_option_changed));
+
+ input_device_combo_connection = input_device_combo.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::input_device_changed));
+ output_device_combo_connection = output_device_combo.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::output_device_changed));
+
+ input_latency_connection = input_latency.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::parameter_changed));
+ output_latency_connection = output_latency.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::parameter_changed));
+ input_channels_connection = input_channels.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::parameter_changed));
+ output_channels_connection = output_channels.signal_changed ().connect (
+ sigc::mem_fun (*this, &EngineControl::parameter_changed));
+}
- show_buffer_duration ();
- save_state ();
+void
+EngineControl::block_changed_signals ()
+{
+ if (block_signals++ == 0) {
+ DEBUG_ECONTROL ("Blocking changed signals");
+ backend_combo_connection.block ();
+ driver_combo_connection.block ();
+ sample_rate_combo_connection.block ();
+ buffer_size_combo_connection.block ();
+ nperiods_combo_connection.block ();
+ device_combo_connection.block ();
+ input_device_combo_connection.block ();
+ output_device_combo_connection.block ();
+ midi_option_combo_connection.block ();
+ input_latency_connection.block ();
+ output_latency_connection.block ();
+ input_channels_connection.block ();
+ output_channels_connection.block ();
+ }
+}
- }
+void
+EngineControl::unblock_changed_signals ()
+{
+ if (--block_signals == 0) {
+ DEBUG_ECONTROL ("Unblocking changed signals");
+ backend_combo_connection.unblock ();
+ driver_combo_connection.unblock ();
+ sample_rate_combo_connection.unblock ();
+ buffer_size_combo_connection.unblock ();
+ nperiods_combo_connection.unblock ();
+ device_combo_connection.unblock ();
+ input_device_combo_connection.unblock ();
+ output_device_combo_connection.unblock ();
+ midi_option_combo_connection.unblock ();
+ input_latency_connection.unblock ();
+ output_latency_connection.unblock ();
+ input_channels_connection.unblock ();
+ output_channels_connection.unblock ();
+ }
+}
- void
- EngineControl::buffer_size_changed ()
- {
- if (ignore_changes) {
- return;
- }
+EngineControl::SignalBlocker::SignalBlocker (EngineControl& engine_control,
+ const std::string& reason)
+ : ec (engine_control)
+ , m_reason (reason)
+{
+ DEBUG_ECONTROL (string_compose ("SignalBlocker: %1", m_reason));
+ ec.block_changed_signals ();
+}
- show_buffer_duration ();
- save_state ();
- }
+EngineControl::SignalBlocker::~SignalBlocker ()
+{
+ DEBUG_ECONTROL (string_compose ("~SignalBlocker: %1", m_reason));
+ ec.unblock_changed_signals ();
+}
- void
- EngineControl::show_buffer_duration ()
- {
+void
+EngineControl::on_show ()
+{
+ ArdourDialog::on_show ();
+ if (!ARDOUR::AudioEngine::instance()->current_backend() || !ARDOUR::AudioEngine::instance()->running()) {
+ // re-check _have_control (jackd running) see #6041
+ backend_changed ();
+ }
+ device_changed ();
+ start_stop_button.grab_focus();
+}
- /* buffer sizes - convert from just samples to samples + msecs for
- * the displayed string
- */
+void
+EngineControl::on_map ()
+{
+ if (!ARDOUR_UI::instance()->the_session () && !PublicEditor::_instance) {
+ set_type_hint (Gdk::WINDOW_TYPE_HINT_NORMAL);
+ } else if (UIConfiguration::instance().get_all_floating_windows_are_dialogs()) {
+ set_type_hint (Gdk::WINDOW_TYPE_HINT_DIALOG);
+ } else {
+ set_type_hint (Gdk::WINDOW_TYPE_HINT_UTILITY);
+ }
+ ArdourDialog::on_map ();
+}
- string bs_text = buffer_size_combo.get_active_text ();
- uint32_t samples = atoi (bs_text); /* will ignore trailing text */
- uint32_t rate = get_rate();
+bool
+EngineControl::try_autostart ()
+{
+ if (!start_stop_button.get_sensitive()) {
+ return false;
+ }
+ if (ARDOUR::AudioEngine::instance()->running()) {
+ return true;
+ }
+ return start_engine ();
+}
- /* Translators: "msecs" is ALWAYS plural here, so we do not
- need singular form as well.
- */
- /* Developers: note the hard-coding of a double buffered model
- in the (2 * samples) computation of latency. we always start
- the audiobackend in this configuration.
- */
- char buf[32];
- snprintf (buf, sizeof (buf), _("(%.1f msecs)"), (2 * samples) / (rate/1000.0));
- buffer_size_duration_label.set_text (buf);
- }
-
- void
- EngineControl::midi_option_changed ()
- {
- if (!ignore_changes) {
- save_state ();
- }
- }
-
- void
- EngineControl::parameter_changed ()
- {
- if (!ignore_changes) {
- save_state ();
- }
- }
-
- EngineControl::State*
- EngineControl::get_matching_state (const string& backend,
- const string& driver,
- const string& device)
- {
- for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
- if ((*i).backend == backend &&
- (*i).driver == driver &&
- (*i).device == device) {
- return &(*i);
- }
- }
- return 0;
- }
-
- EngineControl::State*
- EngineControl::get_saved_state_for_currently_displayed_backend_and_device ()
- {
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
-
- if (backend) {
- return get_matching_state (backend_combo.get_active_text(),
- (backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()),
- device_combo.get_active_text());
- }
-
-
- return get_matching_state (backend_combo.get_active_text(),
- string(),
- device_combo.get_active_text());
- }
-
- EngineControl::State*
- EngineControl::save_state ()
- {
- if (!_have_control) {
- return 0;
- }
-
- bool existing = true;
- State* state = get_saved_state_for_currently_displayed_backend_and_device ();
-
- if (!state) {
- existing = false;
- state = new State;
- }
-
- store_state (*state);
-
- if (!existing) {
- states.push_back (*state);
- }
-
- return state;
- }
-
- void
- EngineControl::store_state (State& state)
- {
- state.backend = get_backend ();
- state.driver = get_driver ();
- state.device = get_device_name ();
- state.sample_rate = get_rate ();
- state.buffer_size = get_buffer_size ();
- state.input_latency = get_input_latency ();
- state.output_latency = get_output_latency ();
- state.input_channels = get_input_channels ();
- state.output_channels = get_output_channels ();
- state.midi_option = get_midi_option ();
- }
-
- void
- EngineControl::maybe_display_saved_state ()
- {
- if (!_have_control) {
- return;
- }
-
- State* state = get_saved_state_for_currently_displayed_backend_and_device ();
-
- if (state) {
- PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
-
- if (!_desired_sample_rate) {
- sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
- }
- buffer_size_combo.set_active_text (bufsize_as_string (state->buffer_size));
- /* call this explicitly because we're ignoring changes to
- the controls at this point.
- */
- show_buffer_duration ();
- input_latency.set_value (state->input_latency);
- output_latency.set_value (state->output_latency);
-
- if (!state->midi_option.empty()) {
- midi_option_combo.set_active_text (state->midi_option);
- }
- }
- }
+bool
+EngineControl::start_engine ()
+{
+ if (push_state_to_backend(true) != 0) {
+ MessageDialog msg(*this,
+ ARDOUR::AudioEngine::instance()->get_last_backend_error());
+ msg.run();
+ return false;
+ }
+ return true;
+}
- 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<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
-
- if (!backend) {
- return 0;
- }
-
- /* figure out what is going to change */
-
- bool restart_required = false;
- bool was_running = ARDOUR::AudioEngine::instance()->running();
- bool change_driver = false;
- bool change_device = false;
- bool change_rate = false;
- bool change_bufsize = false;
- bool change_latency = false;
- bool change_channels = false;
- bool change_midi = false;
-
- uint32_t ochan = get_output_channels ();
- uint32_t ichan = get_input_channels ();
-
- if (_have_control) {
-
- if (started_at_least_once) {
-
- /* we can control the backend */
-
- if (backend->requires_driver_selection()) {
- if (get_driver() != backend->driver_name()) {
- change_driver = true;
- }
- }
-
- if (get_device_name() != backend->device_name()) {
- change_device = true;
- }
-
- if (get_rate() != backend->sample_rate()) {
- change_rate = true;
- }
-
- if (get_buffer_size() != backend->buffer_size()) {
- change_bufsize = true;
- }
-
- if (get_midi_option() != backend->midi_option()) {
- change_midi = true;
- }
-
- /* zero-requested channels means "all available" */
-
- if (ichan == 0) {
- ichan = backend->input_channels();
- }
-
- if (ochan == 0) {
- ochan = backend->output_channels();
- }
-
- if (ichan != backend->input_channels()) {
- change_channels = true;
- }
-
- if (ochan != backend->output_channels()) {
- change_channels = true;
- }
-
- if (get_input_latency() != backend->systemic_input_latency() ||
- get_output_latency() != backend->systemic_output_latency()) {
- change_latency = true;
- }
- } else {
- /* backend never started, so we have to force a group
- of settings.
- */
- change_device = true;
- if (backend->requires_driver_selection()) {
- change_driver = true;
- }
- change_rate = true;
- change_bufsize = true;
- change_channels = true;
- change_latency = true;
- change_midi = true;
- }
-
- } else {
-
- /* we have no control over the backend, meaning that we can
- * only possibly change sample rate and buffer size.
- */
-
-
- if (get_rate() != backend->sample_rate()) {
- change_bufsize = true;
- }
-
- if (get_buffer_size() != backend->buffer_size()) {
- change_bufsize = true;
- }
- }
-
- if (!_have_control) {
-
- /* We do not have control over the backend, so the best we can
- * do is try to change the sample rate and/or bufsize and get
- * out of here.
- */
-
- if (change_rate && !backend->can_change_sample_rate_when_running()) {
- return 1;
- }
-
- if (change_bufsize && !backend->can_change_buffer_size_when_running()) {
- return 1;
- }
-
- if (change_rate) {
- backend->set_sample_rate (get_rate());
- }
-
- if (change_bufsize) {
- backend->set_buffer_size (get_buffer_size());
- }
-
- post_push ();
-
- return 0;
- }
-
- /* determine if we need to stop the backend before changing parameters */
-
- if (change_driver || change_device || change_channels || change_latency ||
- (change_rate && !backend->can_change_sample_rate_when_running()) ||
- change_midi ||
- (change_bufsize && !backend->can_change_buffer_size_when_running())) {
- restart_required = true;
- } else {
- restart_required = false;
- }
-
- if (was_running) {
-
- if (!change_driver && !change_device && !change_channels && !change_latency && !change_midi) {
- /* no changes in any parameters that absolutely require a
- * restart, so check those that might be changeable without a
- * restart
- */
-
- if (change_rate && !backend->can_change_sample_rate_when_running()) {
- /* can't do this while running ... */
- restart_required = true;
- }
-
- if (change_bufsize && !backend->can_change_buffer_size_when_running()) {
- /* can't do this while running ... */
- restart_required = true;
- }
- }
- }
-
- if (was_running) {
- if (restart_required) {
- if (ARDOUR_UI::instance()->disconnect_from_engine ()) {
- return -1;
- }
- }
- }
-
-
- if (change_driver && backend->set_driver (get_driver())) {
- error << string_compose (_("Cannot set driver to %1"), get_driver()) << endmsg;
- return -1;
- }
- if (change_device && backend->set_device_name (get_device_name())) {
- error << string_compose (_("Cannot set device name to %1"), get_device_name()) << endmsg;
- return -1;
- }
- if (change_rate && backend->set_sample_rate (get_rate())) {
- error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg;
- return -1;
- }
- if (change_bufsize && backend->set_buffer_size (get_buffer_size())) {
- error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg;
- return -1;
- }
-
- if (change_channels || get_input_channels() == 0 || get_output_channels() == 0) {
- if (backend->set_input_channels (get_input_channels())) {
- error << string_compose (_("Cannot set input channels to %1"), get_input_channels()) << endmsg;
- return -1;
- }
- if (backend->set_output_channels (get_output_channels())) {
- error << string_compose (_("Cannot set output channels to %1"), get_output_channels()) << endmsg;
- return -1;
- }
- }
- if (change_latency) {
- if (backend->set_systemic_input_latency (get_input_latency())) {
- error << string_compose (_("Cannot set input latency to %1"), get_input_latency()) << endmsg;
- return -1;
- }
- if (backend->set_systemic_output_latency (get_output_latency())) {
- error << string_compose (_("Cannot set output latency to %1"), get_output_latency()) << endmsg;
- return -1;
- }
- }
-
- if (change_midi) {
- backend->set_midi_option (get_midi_option());
- }
-
- if (start || (was_running && restart_required)) {
- if (ARDOUR_UI::instance()->reconnect_to_engine()) {
- return -1;
- }
- }
-
- post_push ();
-
- return 0;
- }
-
- void
- EngineControl::post_push ()
- {
- /* get a pointer to the current state object, creating one if
- * necessary
- */
-
- if (_have_control) {
- State* state = get_saved_state_for_currently_displayed_backend_and_device ();
-
- if (!state) {
- state = save_state ();
- assert (state);
- }
-
- /* all off */
-
- for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
- (*i).active = false;
- }
-
- /* mark this one active (to be used next time the dialog is
- * shown)
- */
-
- state->active = true;
-
- manage_control_app_sensitivity ();
- }
-
- /* schedule a redisplay of MIDI ports */
-
- Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &EngineControl::refresh_midi_display), false), 1000);
- }
-
-
- float
- EngineControl::get_rate () const
- {
- float r = atof (sample_rate_combo.get_active_text ());
- /* the string may have been translated with an abbreviation for
- * thousands, so use a crude heuristic to fix this.
- */
- if (r < 1000.0) {
- r *= 1000.0;
- }
- return r;
- }
-
-
- uint32_t
- EngineControl::get_buffer_size () const
- {
- string txt = buffer_size_combo.get_active_text ();
- uint32_t samples;
-
- if (sscanf (txt.c_str(), "%d", &samples) != 1) {
- throw exception ();
- }
-
- return samples;
- }
-
- string
- EngineControl::get_midi_option () const
- {
- return midi_option_combo.get_active_text();
- }
-
- uint32_t
- EngineControl::get_input_channels() const
- {
- return (uint32_t) input_channels_adjustment.get_value();
- }
-
- uint32_t
- EngineControl::get_output_channels() const
- {
- return (uint32_t) output_channels_adjustment.get_value();
- }
-
- uint32_t
- EngineControl::get_input_latency() const
- {
- return (uint32_t) input_latency_adjustment.get_value();
- }
-
- uint32_t
- EngineControl::get_output_latency() const
- {
- return (uint32_t) output_latency_adjustment.get_value();
- }
-
- string
- EngineControl::get_backend () const
- {
- return backend_combo.get_active_text ();
- }
-
- string
- EngineControl::get_driver () const
- {
- return driver_combo.get_active_text ();
- }
-
- string
- EngineControl::get_device_name () const
- {
- return device_combo.get_active_text ();
- }
-
- void
- EngineControl::control_app_button_clicked ()
- {
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
-
- if (!backend) {
- return;
- }
-
- backend->launch_control_app ();
- }
-
- void
- EngineControl::manage_control_app_sensitivity ()
- {
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
-
- if (!backend) {
- return;
- }
-
- string appname = backend->control_app_name();
-
- if (appname.empty()) {
- control_app_button.set_sensitive (false);
- } else {
- control_app_button.set_sensitive (true);
- }
- }
-
- void
- EngineControl::set_desired_sample_rate (uint32_t sr)
- {
- _desired_sample_rate = sr;
- device_changed ();
- }
-
- void
- EngineControl::on_switch_page (GtkNotebookPage*, guint page_num)
- {
- if (page_num == 0) {
- cancel_button->set_sensitive (true);
- ok_button->set_sensitive (true);
- apply_button->set_sensitive (true);
- } else {
- cancel_button->set_sensitive (false);
- ok_button->set_sensitive (false);
- apply_button->set_sensitive (false);
- }
-
- if (page_num == midi_tab) {
- /* MIDI tab */
- refresh_midi_display ();
- }
-
- if (page_num == latency_tab) {
- /* latency tab */
-
- if (!ARDOUR::AudioEngine::instance()->running()) {
-
- PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
-
- /* save any existing latency values */
-
- uint32_t il = (uint32_t) input_latency.get_value ();
- uint32_t ol = (uint32_t) input_latency.get_value ();
-
- /* reset to zero so that our new test instance of JACK
- will be clean of any existing latency measures.
- */
+bool
+EngineControl::stop_engine (bool for_latency)
+{
+ if (ARDOUR::AudioEngine::instance()->stop(for_latency)) {
+ MessageDialog msg(*this,
+ ARDOUR::AudioEngine::instance()->get_last_backend_error());
+ msg.run();
+ return false;
+ }
+ return true;
+}
+
+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);
+
+ basic_packer.attach (engine_status, 2, 3, 0, 1, xopt, (AttachOptions) 0);
+ engine_status.show();
+
+ basic_packer.attach (start_stop_button, 3, 4, 0, 1, xopt, xopt);
+ basic_packer.attach (update_devices_button, 3, 4, 1, 2, xopt, xopt);
+ basic_packer.attach (use_buffered_io_button, 3, 4, 2, 3, xopt, xopt);
+
+ 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 ();
+ }
- input_latency.set_value (0);
- output_latency.set_value (0);
+ basic_vbox.pack_start (basic_hbox, false, false);
- /* reset control */
+ {
+ PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
+ basic_vbox.show_all ();
+ }
+}
+
+void
+EngineControl::build_full_control_notebook ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
- input_latency.set_value (il);
- output_latency.set_value (ol);
+ using namespace Notebook_Helpers;
+ Label* label;
+ vector<string> strings;
+ AttachOptions xopt = AttachOptions (FILL|EXPAND);
+ int row = 1; // row zero == backend combo
- }
+ /* start packing it up */
- if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) {
- disable_latency_tab ();
- }
+ 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++;
+ }
- enable_latency_tab ();
+ if (backend->use_separate_input_and_output_devices()) {
+ label = manage (left_aligned_label (_("Input Device:")));
+ basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
+ basic_packer.attach (input_device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
+ row++;
+ label = manage (left_aligned_label (_("Output Device:")));
+ basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
+ basic_packer.attach (output_device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
+ row++;
+ // reset so it isn't used in state comparisons
+ device_combo.set_active_text ("");
+ } else {
+ label = manage (left_aligned_label (_("Device:")));
+ basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
+ basic_packer.attach (device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
+ row++;
+ // reset these so they don't get used in state comparisons
+ input_device_combo.set_active_text ("");
+ output_device_combo.set_active_text ("");
+ }
- } else {
- if (lm_running) {
- ARDOUR::AudioEngine::instance()->stop_latency_detection();
- }
- }
- }
+ 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++;
- /* latency measurement */
- bool
- EngineControl::check_latency_measurement ()
- {
- MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
+ label = manage (left_aligned_label (_("Buffer size:")));
+ basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
+ basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
+ buffer_size_duration_label.set_alignment (0.0); /* left-align */
+ basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0);
- if (mtdm->resolve () < 0) {
- lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
- return true;
- }
+ int ctrl_btn_span = 1;
+ if (backend->can_set_period_size ()) {
+ row++;
+ label = manage (left_aligned_label (_("Periods:")));
+ basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
+ basic_packer.attach (nperiods_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
+ ++ctrl_btn_span;
+ }
- if (mtdm->err () > 0.3) {
- mtdm->invert ();
- mtdm->resolve ();
- }
+ /* button spans 2 or 3 rows */
- char buf[128];
- ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate();
+ basic_packer.attach (control_app_button, 3, 4, row - ctrl_btn_span, row + 1, xopt, xopt);
+ row++;
- if (sample_rate == 0) {
- lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine")));
- ARDOUR::AudioEngine::instance()->stop_latency_detection ();
- return false;
- }
+ 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;
+ }
- uint32_t frames_total = mtdm->del();
- uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
+ 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;
+ }
- snprintf (buf, sizeof (buf), "%u samples / %.3lf ms", extra, extra * 1000.0f/sample_rate);
+ 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;
- bool solid = true;
+ output_latency.set_name ("OutputLatency");
+ output_latency.set_flags (Gtk::CAN_FOCUS);
+ output_latency.set_digits (0);
+ output_latency.set_wrap (false);
+ output_latency.set_editable (true);
- if (mtdm->err () > 0.2) {
- strcat (buf, " ");
- strcat (buf, _("(signal detection error)"));
- solid = false;
- }
+ label = manage (left_aligned_label (_("Hardware output latency:")));
+ basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
+ basic_packer.attach (output_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0);
+ label = manage (left_aligned_label (_("samples")));
+ basic_packer.attach (*label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0);
- if (mtdm->inv ()) {
- strcat (buf, " ");
- strcat (buf, _("(inverted - bad wiring)"));
- solid = false;
- }
+ /* button spans 2 rows */
- if (solid) {
- end_latency_detection ();
- lm_use_button.set_sensitive (true);
- have_lm_results = true;
- }
-
- lm_results.set_markup (string_compose (results_markup, string_compose (_("Detected roundtrip latency: %1"), buf)));
+ basic_packer.attach (lm_button_audio, 3, 4, row-1, row+1, xopt, xopt);
+ ++row;
- return true;
+ 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::start_latency_detection ()
+EngineControl::build_no_control_notebook ()
{
- 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());
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
- if (ARDOUR::AudioEngine::instance()->start_latency_detection () == 0) {
- lm_results.set_markup (string_compose (results_markup, _("Detecting ...")));
- latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_latency_measurement), 100);
- lm_measure_label.set_text (_("Cancel"));
- have_lm_results = false;
- lm_use_button.set_sensitive (false);
- lm_input_channel_combo.set_sensitive (false);
- lm_output_channel_combo.set_sensitive (false);
- lm_running = true;
+ using namespace Notebook_Helpers;
+ Label* label;
+ vector<string> strings;
+ AttachOptions xopt = AttachOptions (FILL|EXPAND);
+ int row = 1; // row zero == backend combo
+ const string msg = string_compose (_("%1 is already running. %2 will connect to it and use the existing settings."), backend->name(), PROGRAM_NAME);
+
+ label = manage (new Label);
+ label->set_markup (string_compose ("<span weight=\"bold\" foreground=\"red\">%1</span>", msg));
+ basic_packer.attach (*label, 0, 2, row, row + 1, xopt, (AttachOptions) 0);
+ row++;
+
+ if (backend->can_change_sample_rate_when_running()) {
+ label = manage (left_aligned_label (_("Sample rate:")));
+ basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
+ basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
+ row++;
+ }
+
+ if (backend->can_change_buffer_size_when_running()) {
+ label = manage (left_aligned_label (_("Buffer size:")));
+ basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
+ basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
+ buffer_size_duration_label.set_alignment (0.0); /* left-align */
+ basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, xopt, (AttachOptions) 0);
+ row++;
}
+
+ basic_packer.attach (connect_disconnect_button, 0, 2, row, row+1, FILL, AttachOptions (0));
+ row++;
+}
+
+EngineControl::~EngineControl ()
+{
+ ignore_changes = true;
}
void
-EngineControl::end_latency_detection ()
+EngineControl::disable_latency_tab ()
{
- latency_timeout.disconnect ();
- ARDOUR::AudioEngine::instance()->stop_latency_detection ();
- lm_measure_label.set_text (_("Measure"));
- if (!have_lm_results) {
- lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
+ vector<string> empty;
+ set_popdown_strings (lm_output_channel_combo, empty);
+ set_popdown_strings (lm_input_channel_combo, empty);
+ lm_measure_button.set_sensitive (false);
+ lm_use_button.set_sensitive (false);
+}
+
+void
+EngineControl::enable_latency_tab ()
+{
+ vector<string> outputs;
+ vector<string> 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_use_button.set_sensitive (false);
+ lm_back_button_signal = lm_back_button.signal_clicked().connect(
+ sigc::mem_fun(*this, &EngineControl::latency_back_button_clicked));
+ lm_preamble.show ();
}
- lm_input_channel_combo.set_sensitive (true);
+
+ set_popdown_strings (lm_output_channel_combo, outputs);
+ lm_output_channel_combo.set_active_text (outputs.front());
lm_output_channel_combo.set_sensitive (true);
- lm_running = false;
+
+ 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::latency_button_clicked ()
+EngineControl::setup_midi_tab_for_backend ()
{
- if (!lm_running) {
- start_latency_detection ();
- } else {
- end_latency_detection ();
- }
+ 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::use_latency_button_clicked ()
+EngineControl::update_sensitivity ()
{
- MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
-
- if (!mtdm) {
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ if (!backend) {
+ start_stop_button.set_sensitive (false);
return;
}
- uint32_t frames_total = mtdm->del();
- uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
- uint32_t one_way = extra/2;
+ bool valid = true;
+ size_t devices_available = 0;
+ bool engine_running = ARDOUR::AudioEngine::instance()->running();
+
+ if (backend->use_separate_input_and_output_devices ()) {
+ devices_available += get_popdown_string_count (input_device_combo);
+ devices_available += get_popdown_string_count (output_device_combo);
+ } else {
+ devices_available += get_popdown_string_count (device_combo);
+ }
+
+ if (devices_available == 0) {
+ valid = false;
+ input_latency.set_sensitive (false);
+ output_latency.set_sensitive (false);
+ input_channels.set_sensitive (false);
+ output_channels.set_sensitive (false);
+ } else {
+ input_latency.set_sensitive (true);
+ output_latency.set_sensitive (true);
+ input_channels.set_sensitive (!engine_running);
+ output_channels.set_sensitive (!engine_running);
+ }
+
+ if (get_popdown_string_count (buffer_size_combo) > 0) {
+ if (!engine_running) {
+ buffer_size_combo.set_sensitive (valid);
+ } else if (backend->can_change_buffer_size_when_running ()) {
+ buffer_size_combo.set_sensitive (valid || !_have_control);
+ } else {
+ buffer_size_combo.set_sensitive (false);
+ }
+ } else {
+ buffer_size_combo.set_sensitive (false);
+ valid = false;
+ }
+
+ if (get_popdown_string_count (sample_rate_combo) > 0) {
+ bool allow_to_set_rate = false;
+ if (!engine_running) {
+ if (!ARDOUR_UI::instance()->the_session ()) {
+ // engine is not running, no session loaded -> anything goes.
+ allow_to_set_rate = true;
+ } else if (_desired_sample_rate > 0 && get_rate () != _desired_sample_rate) {
+ // only allow to change if the current setting is not the native session rate.
+ allow_to_set_rate = true;
+ }
+ }
+ sample_rate_combo.set_sensitive (allow_to_set_rate);
+ } else {
+ sample_rate_combo.set_sensitive (false);
+ valid = false;
+ }
+
+ if (get_popdown_string_count (nperiods_combo) > 0) {
+ if (!engine_running) {
+ nperiods_combo.set_sensitive (true);
+ } else {
+ nperiods_combo.set_sensitive (false);
+ }
+ } else {
+ nperiods_combo.set_sensitive (false);
+ }
- input_latency_adjustment.set_value (one_way);
- output_latency_adjustment.set_value (one_way);
+ if (_have_control) {
+ start_stop_button.set_sensitive(true);
+ start_stop_button.show();
+ if (engine_running) {
+ start_stop_button.set_text("Stop");
+ update_devices_button.set_sensitive(false);
+ use_buffered_io_button.set_sensitive(false);
+ } else {
+ if (backend->can_request_update_devices()) {
+ update_devices_button.show();
+ } else {
+ update_devices_button.hide();
+ }
+ if (backend->can_use_buffered_io()) {
+ use_buffered_io_button.show();
+ } else {
+ use_buffered_io_button.hide();
+ }
+ start_stop_button.set_text("Start");
+ update_devices_button.set_sensitive(true);
+ use_buffered_io_button.set_sensitive(true);
+ }
+ } else {
+ update_devices_button.set_sensitive(false);
+ update_devices_button.hide();
+ use_buffered_io_button.set_sensitive(false);
+ use_buffered_io_button.hide();
+ start_stop_button.set_sensitive(false);
+ start_stop_button.hide();
+ }
- /* back to settings page */
+ if (engine_running && _have_control) {
+ input_device_combo.set_sensitive (false);
+ output_device_combo.set_sensitive (false);
+ device_combo.set_sensitive (false);
+ driver_combo.set_sensitive (false);
+ } else {
+ input_device_combo.set_sensitive (true);
+ output_device_combo.set_sensitive (true);
+ device_combo.set_sensitive (true);
+ if (backend->requires_driver_selection() && get_popdown_string_count(driver_combo) > 0) {
+ driver_combo.set_sensitive (true);
+ } else {
+ driver_combo.set_sensitive (false);
+ }
+ }
- notebook.set_current_page (0);
+ midi_option_combo.set_sensitive (!engine_running);
}
-bool
-EngineControl::on_delete_event (GdkEventAny* ev)
+void
+EngineControl::setup_midi_tab_for_jack ()
{
- if (notebook.get_current_page() == 2) {
- /* currently on latency tab - be sure to clean up */
- end_latency_detection ();
+}
+
+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();
}
- return ArdourDialog::on_delete_event (ev);
}
void
-EngineControl::engine_running ()
+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<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
assert (backend);
- buffer_size_combo.set_active_text (bufsize_as_string (backend->buffer_size()));
- sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate()));
+ int row = 0;
+ AttachOptions xopt = AttachOptions (FILL|EXPAND);
+ Gtk::Label* l;
- buffer_size_combo.set_sensitive (true);
- sample_rate_combo.set_sensitive (true);
+ Gtkmm2ext::container_clear (midi_device_table);
- connect_disconnect_button.set_label (string_compose (_("Disconnect from %1"), backend->name()));
+ midi_device_table.set_spacings (6);
- started_at_least_once = true;
+ l = manage (new Label);
+ l->set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("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<MidiDeviceSettings>::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::engine_stopped ()
+EngineControl::backend_changed ()
{
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
+ SignalBlocker blocker (*this, "backend_changed");
+ string backend_name = backend_combo.get_active_text();
+ boost::shared_ptr<ARDOUR::AudioBackend> backend;
- buffer_size_combo.set_sensitive (false);
- connect_disconnect_button.set_label (string_compose (_("Connect to %1"), backend->name()));
+ if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, downcase (std::string(PROGRAM_NAME)), ""))) {
+ /* eh? setting the backend failed... how ? */
+ /* A: stale config contains a backend that does not exist in current build */
+ return;
+ }
+
+ DEBUG_ECONTROL (string_compose ("Backend name: %1", backend_name));
+
+ _have_control = ARDOUR::AudioEngine::instance()->setup_required ();
+
+ build_notebook ();
+ setup_midi_tab_for_backend ();
+ _midi_devices.clear();
+
+ if (backend->requires_driver_selection()) {
+ if (set_driver_popdown_strings ()) {
+ driver_changed ();
+ }
+ } else {
+ /* this will change the device text which will cause a call to
+ * device changed which will set up parameters
+ */
+ list_devices ();
+ }
+
+ update_midi_options ();
+
+ connect_disconnect_button.hide();
+
+ midi_option_changed();
+
+ started_at_least_once = false;
+
+ /* changing the backend implies stopping the engine
+ * ARDOUR::AudioEngine() may or may not emit this signal
+ * depending on previous engine state
+ */
+ engine_stopped (); // set "active/inactive"
+
+ if (!_have_control) {
+ // set settings from backend that we do have control over
+ set_buffersize_popdown_strings ();
+ set_active_text_if_present (buffer_size_combo, bufsize_as_string (backend->buffer_size()));
+ }
- sample_rate_combo.set_sensitive (true);
- buffer_size_combo.set_sensitive (true);
+ if (_have_control && !ignore_changes) {
+ // set driver & devices
+ State state = get_matching_state (backend_combo.get_active_text());
+ if (state) {
+ DEBUG_ECONTROL ("backend-changed(): found prior state for backend");
+ PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
+ set_current_state (state);
+ } else {
+ DEBUG_ECONTROL ("backend-changed(): no prior state for backend");
+ }
+ } else {
+ DEBUG_ECONTROL (string_compose ("backend-changed(): _have_control=%1 ignore_changes=%2", _have_control, ignore_changes));
+ }
+
+ if (!ignore_changes) {
+ maybe_display_saved_state ();
+ }
}
-
+
void
-EngineControl::connect_disconnect_click()
+EngineControl::update_midi_options ()
{
- if (ARDOUR::AudioEngine::instance()->running()) {
- ARDOUR_UI::instance()->disconnect_from_engine ();
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ vector<string> midi_options = backend->enumerate_midi_options();
+
+ if (midi_options.size() == 1) {
+ /* only contains the "none" option */
+ midi_option_combo.set_sensitive (false);
} else {
- ARDOUR_UI::instance()->reconnect_to_engine ();
+ 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);
+ }
}
}
-void
-EngineControl::calibrate_latency ()
+bool
+EngineControl::print_channel_count (Gtk::SpinButton* sb)
{
- notebook.set_current_page (latency_tab);
+ if (ARDOUR::Profile->get_mixbus()) {
+ return true;
+ }
+
+ uint32_t cnt = (uint32_t) sb->get_value();
+ if (cnt == 0) {
+ sb->set_text (_("all available channels"));
+ } else {
+ char buf[32];
+ snprintf (buf, sizeof (buf), "%d", cnt);
+ sb->set_text (buf);
+ }
+ return true;
}
+// @return true if there are drivers available
+bool
+EngineControl::set_driver_popdown_strings ()
+{
+ DEBUG_ECONTROL ("set_driver_popdown_strings");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ vector<string> drivers = backend->enumerate_drivers();
+
+ if (drivers.empty ()) {
+ // This is an error...?
+ return false;
+ }
+
+ string current_driver = backend->driver_name ();
+
+ DEBUG_ECONTROL (string_compose ("backend->driver_name: %1", current_driver));
+
+ if (std::find (drivers.begin (), drivers.end (), current_driver) ==
+ drivers.end ()) {
+
+ current_driver = drivers.front ();
+ }
+
+ set_popdown_strings (driver_combo, drivers);
+ DEBUG_ECONTROL (
+ string_compose ("driver_combo.set_active_text: %1", current_driver));
+ driver_combo.set_active_text (current_driver);
+ return true;
+}
+
+std::string
+EngineControl::get_default_device(const string& current_device_name,
+ const vector<string>& available_devices)
+{
+ // If the current device is available, use it as default
+ if (std::find (available_devices.begin (),
+ available_devices.end (),
+ current_device_name) != available_devices.end ()) {
+
+ return current_device_name;
+ }
+
+ using namespace ARDOUR;
+
+ string default_device_name =
+ AudioBackend::get_standard_device_name(AudioBackend::DeviceDefault);
+
+ vector<string>::const_iterator i;
+
+ // If there is a "Default" device available, use it
+ for (i = available_devices.begin(); i != available_devices.end(); ++i) {
+ if (*i == default_device_name) {
+ return *i;
+ }
+ }
+
+ string none_device_name =
+ AudioBackend::get_standard_device_name(AudioBackend::DeviceNone);
+
+ // Use the first device that isn't "None"
+ for (i = available_devices.begin(); i != available_devices.end(); ++i) {
+ if (*i != none_device_name) {
+ return *i;
+ }
+ }
+
+ // Use "None" if there are no other available
+ return available_devices.front();
+}
+
+// @return true if there are devices available
+bool
+EngineControl::set_device_popdown_strings ()
+{
+ DEBUG_ECONTROL ("set_device_popdown_strings");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_devices ();
+
+ /* NOTE: Ardour currently does not display the "available" field of the
+ * returned devices.
+ *
+ * Doing so would require a different GUI widget than the combo
+ * box/popdown that we currently use, since it has no way to list
+ * items that are not selectable. Something more like a popup menu,
+ * which could have unselectable items, would be appropriate.
+ */
+
+ vector<string> available_devices;
+
+ for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) {
+ available_devices.push_back (i->name);
+ }
+
+ if (available_devices.empty ()) {
+ return false;
+ }
+
+ set_popdown_strings (device_combo, available_devices);
+
+ std::string default_device =
+ get_default_device(backend->device_name(), available_devices);
+
+ DEBUG_ECONTROL (
+ string_compose ("set device_combo active text: %1", default_device));
+
+ device_combo.set_active_text(default_device);
+ return true;
+}
+
+// @return true if there are input devices available
+bool
+EngineControl::set_input_device_popdown_strings ()
+{
+ DEBUG_ECONTROL ("set_input_device_popdown_strings");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_input_devices ();
+
+ vector<string> available_devices;
+
+ for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) {
+ available_devices.push_back (i->name);
+ }
+
+ if (available_devices.empty()) {
+ return false;
+ }
+
+ set_popdown_strings (input_device_combo, available_devices);
+
+ std::string default_device =
+ get_default_device(backend->input_device_name(), available_devices);
+
+ DEBUG_ECONTROL (
+ string_compose ("set input_device_combo active text: %1", default_device));
+ input_device_combo.set_active_text(default_device);
+ return true;
+}
+
+// @return true if there are output devices available
+bool
+EngineControl::set_output_device_popdown_strings ()
+{
+ DEBUG_ECONTROL ("set_output_device_popdown_strings");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_output_devices ();
+
+ vector<string> available_devices;
+
+ for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) {
+ available_devices.push_back (i->name);
+ }
+
+ if (available_devices.empty()) {
+ return false;
+ }
+
+ set_popdown_strings (output_device_combo, available_devices);
+
+ std::string default_device =
+ get_default_device(backend->output_device_name(), available_devices);
+
+ DEBUG_ECONTROL (
+ string_compose ("set output_device_combo active text: %1", default_device));
+ output_device_combo.set_active_text(default_device);
+ return true;
+}
+
+void
+EngineControl::list_devices ()
+{
+ DEBUG_ECONTROL ("list_devices");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+
+ /* now fill out devices, mark sample rates, buffer sizes insensitive */
+
+ bool devices_available = false;
+
+ if (backend->use_separate_input_and_output_devices ()) {
+ bool input_devices_available = set_input_device_popdown_strings ();
+ bool output_devices_available = set_output_device_popdown_strings ();
+ devices_available = input_devices_available || output_devices_available;
+ } else {
+ devices_available = set_device_popdown_strings ();
+ }
+
+ if (devices_available) {
+ device_changed ();
+ } else {
+ device_combo.clear();
+ input_device_combo.clear();
+ output_device_combo.clear();
+ }
+ update_sensitivity ();
+}
+
+void
+EngineControl::driver_changed ()
+{
+ SignalBlocker blocker (*this, "driver_changed");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+
+ backend->set_driver (driver_combo.get_active_text());
+ list_devices ();
+
+ // TODO load LRU device(s) for backend + driver combo
+
+ if (!ignore_changes) {
+ maybe_display_saved_state ();
+ }
+}
+
+vector<float>
+EngineControl::get_sample_rates_for_all_devices ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend =
+ ARDOUR::AudioEngine::instance ()->current_backend ();
+ vector<float> all_rates;
+
+ if (backend->use_separate_input_and_output_devices ()) {
+ all_rates = backend->available_sample_rates2 (get_input_device_name (), get_output_device_name ());
+ } else {
+ all_rates = backend->available_sample_rates (get_device_name ());
+ }
+ return all_rates;
+}
+
+vector<float>
+EngineControl::get_default_sample_rates ()
+{
+ vector<float> rates;
+ rates.push_back (8000.0f);
+ rates.push_back (16000.0f);
+ rates.push_back (32000.0f);
+ rates.push_back (44100.0f);
+ rates.push_back (48000.0f);
+ rates.push_back (88200.0f);
+ rates.push_back (96000.0f);
+ rates.push_back (192000.0f);
+ rates.push_back (384000.0f);
+ return rates;
+}
+
+void
+EngineControl::set_samplerate_popdown_strings ()
+{
+ DEBUG_ECONTROL ("set_samplerate_popdown_strings");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ string desired;
+ vector<float> sr;
+ vector<string> s;
+
+ if (_have_control) {
+ sr = get_sample_rates_for_all_devices ();
+ } else {
+ sr = get_default_sample_rates ();
+ }
+
+ for (vector<float>::const_iterator x = sr.begin(); x != sr.end(); ++x) {
+ s.push_back (rate_as_string (*x));
+ if (*x == _desired_sample_rate) {
+ desired = s.back();
+ }
+ }
+
+ set_popdown_strings (sample_rate_combo, s);
+
+ if (!s.empty()) {
+ if (ARDOUR::AudioEngine::instance()->running()) {
+ sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate()));
+ } else if (ARDOUR_UI::instance()->the_session ()) {
+ float active_sr = ARDOUR_UI::instance()->the_session()->nominal_sample_rate ();
+
+ if (std::find (sr.begin (), sr.end (), active_sr) == sr.end ()) {
+ active_sr = sr.front ();
+ }
+
+ sample_rate_combo.set_active_text (rate_as_string (active_sr));
+ } else if (desired.empty ()) {
+ float new_active_sr = backend->default_sample_rate ();
+
+ if (std::find (sr.begin (), sr.end (), new_active_sr) == sr.end ()) {
+ new_active_sr = sr.front ();
+ }
+
+ sample_rate_combo.set_active_text (rate_as_string (new_active_sr));
+ } else {
+ sample_rate_combo.set_active_text (desired);
+ }
+ }
+ update_sensitivity ();
+}
+
+vector<uint32_t>
+EngineControl::get_buffer_sizes_for_all_devices ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend =
+ ARDOUR::AudioEngine::instance ()->current_backend ();
+ vector<uint32_t> all_sizes;
+
+ if (backend->use_separate_input_and_output_devices ()) {
+ all_sizes = backend->available_buffer_sizes2 (get_input_device_name (), get_output_device_name ());
+ } else {
+ all_sizes = backend->available_buffer_sizes (get_device_name ());
+ }
+ return all_sizes;
+}
+
+vector<uint32_t>
+EngineControl::get_default_buffer_sizes ()
+{
+ vector<uint32_t> sizes;
+ sizes.push_back (8);
+ sizes.push_back (16);
+ sizes.push_back (32);
+ sizes.push_back (64);
+ sizes.push_back (128);
+ sizes.push_back (256);
+ sizes.push_back (512);
+ sizes.push_back (1024);
+ sizes.push_back (2048);
+ sizes.push_back (4096);
+ sizes.push_back (8192);
+ return sizes;
+}
+
+void
+EngineControl::set_buffersize_popdown_strings ()
+{
+ DEBUG_ECONTROL ("set_buffersize_popdown_strings");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ vector<uint32_t> bs;
+ vector<string> s;
+
+ if (_have_control) {
+ bs = get_buffer_sizes_for_all_devices ();
+ } else if (backend->can_change_buffer_size_when_running()) {
+ bs = get_default_buffer_sizes ();
+ }
+
+ for (vector<uint32_t>::const_iterator x = bs.begin(); x != bs.end(); ++x) {
+ s.push_back (bufsize_as_string (*x));
+ }
+
+ uint32_t previous_size = backend->buffer_size ();
+ if (!buffer_size_combo.get_active_text().empty()) {
+ previous_size = get_buffer_size ();
+ }
+
+ set_popdown_strings (buffer_size_combo, s);
+
+ if (!s.empty()) {
+
+ if (std::find(bs.begin(), bs.end(), previous_size) != bs.end()) {
+ buffer_size_combo.set_active_text(bufsize_as_string(previous_size));
+ } else {
+
+ buffer_size_combo.set_active_text(s.front());
+
+ uint32_t period = backend->buffer_size();
+ if (0 == period && backend->use_separate_input_and_output_devices()) {
+ period = backend->default_buffer_size(get_input_device_name());
+ }
+ if (0 == period && backend->use_separate_input_and_output_devices()) {
+ period = backend->default_buffer_size(get_output_device_name());
+ }
+ if (0 == period && !backend->use_separate_input_and_output_devices()) {
+ period = backend->default_buffer_size(get_device_name());
+ }
+
+ set_active_text_if_present(buffer_size_combo, bufsize_as_string(period));
+ }
+ show_buffer_duration ();
+ }
+ update_sensitivity ();
+}
+
+void
+EngineControl::set_nperiods_popdown_strings ()
+{
+ DEBUG_ECONTROL ("set_nperiods_popdown_strings");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ vector<uint32_t> np;
+ vector<string> s;
+
+ if (backend->can_set_period_size()) {
+ np = backend->available_period_sizes (get_driver());
+ }
+
+ for (vector<uint32_t>::const_iterator x = np.begin(); x != np.end(); ++x) {
+ s.push_back (to_string (*x));
+ }
+
+ set_popdown_strings (nperiods_combo, s);
+
+ if (!s.empty()) {
+ set_active_text_if_present (nperiods_combo, to_string (backend->period_size())); // XXX
+ }
+
+ update_sensitivity ();
+}
+
+void
+EngineControl::device_changed ()
+{
+ SignalBlocker blocker (*this, "device_changed");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+
+ string device_name_in;
+ string device_name_out; // only used if backend support separate I/O devices
+
+ if (backend->use_separate_input_and_output_devices()) {
+ device_name_in = get_input_device_name ();
+ device_name_out = get_output_device_name ();
+ } else {
+ device_name_in = get_device_name ();
+ }
+
+ /* we set the backend-device to query various device related intormation.
+ * This has the side effect that backend->device_name() will match
+ * the device_name and 'change_device' will never be true.
+ * so work around this by setting...
+ */
+ if (backend->use_separate_input_and_output_devices()) {
+ if (device_name_in != backend->input_device_name() || device_name_out != backend->output_device_name ()) {
+ queue_device_changed = true;
+ }
+ } else {
+ if (device_name_in != backend->device_name()) {
+ queue_device_changed = true;
+ }
+ }
+
+ //the device name must be set FIRST so ASIO can populate buffersizes and the control panel button
+ if (backend->use_separate_input_and_output_devices()) {
+ backend->set_input_device_name (device_name_in);
+ backend->set_output_device_name (device_name_out);
+ } else {
+ backend->set_device_name(device_name_in);
+ }
+
+ {
+ /* don't allow programmatic change to combos to cause a
+ recursive call to this method.
+ */
+ PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
+
+ set_samplerate_popdown_strings ();
+ set_buffersize_popdown_strings ();
+ set_nperiods_popdown_strings ();
+
+ /* TODO set min + max channel counts here */
+
+ manage_control_app_sensitivity ();
+ }
+
+ /* pick up any saved state for this device */
+
+ if (!ignore_changes) {
+ maybe_display_saved_state ();
+ }
+}
+
+void
+EngineControl::input_device_changed ()
+{
+ DEBUG_ECONTROL ("input_device_changed");
+
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ if (backend && backend->match_input_output_devices_or_none ()) {
+ const std::string& dev_none = ARDOUR::AudioBackend::get_standard_device_name (ARDOUR::AudioBackend::DeviceNone);
+
+ if (get_output_device_name () != dev_none
+ && get_input_device_name () != dev_none
+ && get_input_device_name () != get_output_device_name ()) {
+ block_changed_signals ();
+ if (contains_value (output_device_combo, get_input_device_name ())) {
+ output_device_combo.set_active_text (get_input_device_name ());
+ } else {
+ assert (contains_value (output_device_combo, dev_none));
+ output_device_combo.set_active_text (dev_none);
+ }
+ unblock_changed_signals ();
+ }
+ }
+ device_changed ();
+}
+
+void
+EngineControl::output_device_changed ()
+{
+ DEBUG_ECONTROL ("output_device_changed");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ if (backend && backend->match_input_output_devices_or_none ()) {
+ const std::string& dev_none = ARDOUR::AudioBackend::get_standard_device_name (ARDOUR::AudioBackend::DeviceNone);
+
+ if (get_input_device_name () != dev_none
+ && get_input_device_name () != dev_none
+ && get_input_device_name () != get_output_device_name ()) {
+ block_changed_signals ();
+ if (contains_value (input_device_combo, get_output_device_name ())) {
+ input_device_combo.set_active_text (get_output_device_name ());
+ } else {
+ assert (contains_value (input_device_combo, dev_none));
+ input_device_combo.set_active_text (dev_none);
+ }
+ unblock_changed_signals ();
+ }
+ }
+ device_changed ();
+}
+
+string
+EngineControl::bufsize_as_string (uint32_t sz)
+{
+ return string_compose (P_("%1 sample", "%1 samples", sz), to_string(sz));
+}
+
+void
+EngineControl::sample_rate_changed ()
+{
+ DEBUG_ECONTROL ("sample_rate_changed");
+ /* reset the strings for buffer size to show the correct msec value
+ (reflecting the new sample rate).
+ */
+
+ show_buffer_duration ();
+
+}
+
+void
+EngineControl::buffer_size_changed ()
+{
+ DEBUG_ECONTROL ("buffer_size_changed");
+ if (ARDOUR::AudioEngine::instance()->running()) {
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ if (backend && backend->can_change_buffer_size_when_running ()) {
+ backend->set_buffer_size (get_buffer_size());
+ }
+ }
+ show_buffer_duration ();
+}
+
+void
+EngineControl::nperiods_changed ()
+{
+ DEBUG_ECONTROL ("nperiods_changed");
+ show_buffer_duration ();
+}
+
+void
+EngineControl::show_buffer_duration ()
+{
+ DEBUG_ECONTROL ("show_buffer_duration");
+ /* buffer sizes - convert from just samples to samples + msecs for
+ * the displayed string
+ */
+
+ string bs_text = buffer_size_combo.get_active_text ();
+ uint32_t samples = atoi (bs_text); /* will ignore trailing text */
+ uint32_t rate = get_rate();
+
+ /* Except for ALSA and Dummy backends, we don't know the number of periods
+ * per cycle and settings.
+ *
+ * jack1 vs jack2 have different default latencies since jack2 start
+ * in async-mode unless --sync is given which adds an extra cycle
+ * of latency. The value is not known if jackd is started externally..
+ *
+ * So just display the period size, that's also what
+ * ARDOUR_UI::update_sample_rate() does for the status bar.
+ * (the statusbar calls AudioEngine::instance()->usecs_per_cycle()
+ * but still, that's the buffer period, not [round-trip] latency)
+ */
+ char buf[32];
+ snprintf (buf, sizeof (buf), _("(%.1f ms)"), (samples / (rate/1000.0f)));
+ buffer_size_duration_label.set_text (buf);
+}
+
+void
+EngineControl::midi_option_changed ()
+{
+ DEBUG_ECONTROL ("midi_option_changed");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+
+ backend->set_midi_option (get_midi_option());
+
+ vector<ARDOUR::AudioBackend::DeviceStatus> 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<MidiDeviceSettings> new_devices;
+
+ for (vector<ARDOUR::AudioBackend::DeviceStatus>::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.hide ();
+ } else {
+ midi_devices_button.show ();
+ }
+}
+
+void
+EngineControl::parameter_changed ()
+{
+}
+
+EngineControl::State
+EngineControl::get_matching_state (const string& backend)
+{
+ for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
+ if ((*i)->backend == backend) {
+ return (*i);
+ }
+ }
+ return 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_matching_state (
+ const string& backend,
+ const string& driver,
+ const string& input_device,
+ const string& output_device)
+{
+ for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
+ if ((*i)->backend == backend &&
+ (!_have_control || ((*i)->driver == driver && ((*i)->input_device == input_device) && (*i)->output_device == output_device)))
+ {
+ return (*i);
+ }
+ }
+ return State();
+}
+
+EngineControl::State
+EngineControl::get_saved_state_for_currently_displayed_backend_and_device ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+
+ if (backend) {
+ if (backend->use_separate_input_and_output_devices ()) {
+ return get_matching_state (backend_combo.get_active_text(),
+ (backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()),
+ input_device_combo.get_active_text(),
+ output_device_combo.get_active_text());
+ } else {
+ return get_matching_state (backend_combo.get_active_text(),
+ (backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()),
+ device_combo.get_active_text());
+ }
+ }
+
+ return get_matching_state (backend_combo.get_active_text(),
+ string(),
+ device_combo.get_active_text());
+}
+
+bool EngineControl::equivalent_states (const EngineControl::State& state1,
+ const EngineControl::State& state2)
+{
+ if (state1->backend == state2->backend &&
+ state1->driver == state2->driver &&
+ state1->device == state2->device &&
+ state1->input_device == state2->input_device &&
+ state1->output_device == state2->output_device) {
+ return true;
+ }
+ return false;
+}
+
+// sort active first, then most recently used to the beginning of the list
+bool
+EngineControl::state_sort_cmp (const State &a, const State &b) {
+ if (a->active) {
+ return true;
+ }
+ else if (b->active) {
+ return false;
+ }
+ else {
+ return a->lru > b->lru;
+ }
+}
+
+EngineControl::State
+EngineControl::save_state ()
+{
+ State state;
+
+ if (!_have_control) {
+ state = get_matching_state (backend_combo.get_active_text(), string(), string());
+ if (state) {
+ state->lru = time (NULL) ;
+ return state;
+ }
+ state.reset(new StateStruct);
+ state->backend = get_backend ();
+ } else {
+ state.reset(new StateStruct);
+ store_state (state);
+ }
+
+ for (StateList::iterator i = states.begin(); i != states.end();) {
+ if (equivalent_states (*i, state)) {
+ i = states.erase(i);
+ } else {
+ ++i;
+ }
+ }
+
+ states.push_back (state);
+
+ states.sort (state_sort_cmp);
+
+ return state;
+}
+
+void
+EngineControl::store_state (State state)
+{
+ state->backend = get_backend ();
+ state->driver = get_driver ();
+ state->device = get_device_name ();
+ state->input_device = get_input_device_name ();
+ state->output_device = get_output_device_name ();
+ state->sample_rate = get_rate ();
+ state->buffer_size = get_buffer_size ();
+ state->n_periods = get_nperiods ();
+ 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;
+ state->use_buffered_io = get_use_buffered_io ();
+ state->lru = time (NULL) ;
+}
+
+void
+EngineControl::maybe_display_saved_state ()
+{
+ if (!_have_control || ARDOUR::AudioEngine::instance()->running ()) {
+ return;
+ }
+
+ State state = get_saved_state_for_currently_displayed_backend_and_device ();
+
+ if (state) {
+ DEBUG_ECONTROL ("Restoring saved state");
+ PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
+
+ if (0 == _desired_sample_rate && sample_rate_combo.get_sensitive ()) {
+ sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
+ }
+ set_active_text_if_present (buffer_size_combo, bufsize_as_string (state->buffer_size));
+
+ set_active_text_if_present (nperiods_combo, to_string(state->n_periods));
+ /* 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);
+
+ use_buffered_io_button.set_active (state->use_buffered_io);
+
+ if (!state->midi_option.empty()) {
+ midi_option_combo.set_active_text (state->midi_option);
+ _midi_devices = state->midi_devices;
+ }
+ } else {
+ DEBUG_ECONTROL ("Unable to find saved state for backend and devices");
+ }
+}
+
+XMLNode&
+EngineControl::get_state ()
+{
+ LocaleGuard lg;
+
+ 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->set_property ("backend", (*i)->backend);
+ node->set_property ("driver", (*i)->driver);
+ node->set_property ("device", (*i)->device);
+ node->set_property ("input-device", (*i)->input_device);
+ node->set_property ("output-device", (*i)->output_device);
+ node->set_property ("sample-rate", (*i)->sample_rate);
+ node->set_property ("buffer-size", (*i)->buffer_size);
+ node->set_property ("n-periods", (*i)->n_periods);
+ node->set_property ("input-latency", (*i)->input_latency);
+ node->set_property ("output-latency", (*i)->output_latency);
+ node->set_property ("input-channels", (*i)->input_channels);
+ node->set_property ("output-channels", (*i)->output_channels);
+ node->set_property ("active", (*i)->active);
+ node->set_property ("use-buffered-io", (*i)->use_buffered_io);
+ node->set_property ("midi-option", (*i)->midi_option);
+ int32_t lru_val = (*i)->active ? time (NULL) : (*i)->lru;
+ node->set_property ("lru", lru_val );
+
+ XMLNode* midi_devices = new XMLNode ("MIDIDevices");
+ for (std::vector<MidiDeviceSettings>::const_iterator p = (*i)->midi_devices.begin(); p != (*i)->midi_devices.end(); ++p) {
+ XMLNode* midi_device_stuff = new XMLNode ("MIDIDevice");
+ midi_device_stuff->set_property (X_("name"), (*p)->name);
+ midi_device_stuff->set_property (X_("enabled"), (*p)->enabled);
+ midi_device_stuff->set_property (X_("input-latency"), (*p)->input_latency);
+ midi_device_stuff->set_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_default_state ()
+{
+ vector<string> backend_names;
+ vector<const ARDOUR::AudioBackendInfo*> backends = ARDOUR::AudioEngine::instance()->available_backends();
+
+ for (vector<const ARDOUR::AudioBackendInfo*>::const_iterator b = backends.begin(); b != backends.end(); ++b) {
+ backend_names.push_back ((*b)->name);
+ }
+ backend_combo.set_active_text (backend_names.front());
+
+ // We could set default backends per platform etc here
+
+ backend_changed ();
+}
+
+bool
+EngineControl::set_state (const XMLNode& root)
+{
+ XMLNodeList clist, cclist;
+ XMLNodeConstIterator citer, cciter;
+ XMLNode const * child;
+ XMLNode const * grandchild;
+
+ if (root.name() != "AudioMIDISetup") {
+ return false;
+ }
+
+ 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 (!grandchild->get_property ("backend", state->backend)) {
+ continue;
+ }
+
+ // If any of the required properties are not found in the state node
+ // then continue/skip to the next engine state
+ if (!grandchild->get_property ("driver", state->driver) ||
+ !grandchild->get_property ("device", state->device) ||
+ !grandchild->get_property ("input-device", state->input_device) ||
+ !grandchild->get_property ("output-device", state->output_device) ||
+ !grandchild->get_property ("sample-rate", state->sample_rate) ||
+ !grandchild->get_property ("buffer-size", state->buffer_size) ||
+ !grandchild->get_property ("input-latency", state->input_latency) ||
+ !grandchild->get_property ("output-latency", state->output_latency) ||
+ !grandchild->get_property ("input-channels", state->input_channels) ||
+ !grandchild->get_property ("output-channels", state->output_channels) ||
+ !grandchild->get_property ("active", state->active) ||
+ !grandchild->get_property ("use-buffered-io", state->use_buffered_io) ||
+ !grandchild->get_property ("midi-option", state->midi_option)) {
+ continue;
+ }
+
+ if (!grandchild->get_property ("n-periods", state->n_periods)) {
+ // optional (new value in 4.5)
+ state->n_periods = 0;
+ }
+
+ 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) {
+ std::string name;
+ bool enabled;
+ uint32_t input_latency;
+ uint32_t output_latency;
+
+ if (!(*n)->get_property (X_("name"), name) ||
+ !(*n)->get_property (X_("enabled"), enabled) ||
+ !(*n)->get_property (X_("input-latency"), input_latency) ||
+ !(*n)->get_property (X_("output-latency"), output_latency)) {
+ continue;
+ }
+
+ MidiDeviceSettings ptr (
+ new MidiDeviceSetting (name, enabled, input_latency, output_latency));
+ state->midi_devices.push_back (ptr);
+ }
+ }
+
+ int32_t lru_val;
+ if (grandchild->get_property ("lru", lru_val)) {
+ state->lru = lru_val;
+ }
+
+ 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<const ARDOUR::AudioBackendInfo*> backends = ARDOUR::AudioEngine::instance()->available_backends();
+ vector<std::string> backend_names;
+
+ for (vector<const ARDOUR::AudioBackendInfo*>::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;
+ }
+ }
+
+ states.sort (state_sort_cmp);
+
+ /* purge old states referring to the same backend */
+ const time_t now = time (NULL);
+ for (vector<std::string>::const_iterator bi = backend_names.begin(); bi != backend_names.end(); ++bi) {
+ bool first = true;
+ for (StateList::iterator i = states.begin(); i != states.end();) {
+ if ((*i)->backend != *bi) {
+ ++i; continue;
+ }
+ // keep at latest one for every audio-system
+ if (first) {
+ first = false;
+ ++i; continue;
+ }
+ // also keep states used in the last 90 days.
+ if ((now - (*i)->lru) < 86400 * 90) {
+ ++i; continue;
+ }
+ assert (!(*i)->active);
+ i = states.erase(i);
+ }
+ }
+
+ for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) {
+
+ if ((*i)->active) {
+ return set_current_state (*i);
+ }
+ }
+ return false;
+}
+
+bool
+EngineControl::set_current_state (const State& state)
+{
+ DEBUG_ECONTROL ("set_current_state");
+
+ boost::shared_ptr<ARDOUR::AudioBackend> backend;
+
+ if (!(backend = ARDOUR::AudioEngine::instance ()->set_backend (
+ state->backend, downcase (std::string(PROGRAM_NAME)), ""))) {
+ DEBUG_ECONTROL (string_compose ("Unable to set backend to %1", state->backend));
+ // this shouldn't happen as the invalid backend names should have been
+ // removed from the list of states.
+ return false;
+ }
+
+ // now reflect the change in the backend in the GUI so backend_changed will
+ // do the right thing
+ backend_combo.set_active_text (state->backend);
+
+ if (!ARDOUR::AudioEngine::instance()->setup_required ()) {
+ backend_changed ();
+ // we don't have control don't restore state
+ return true;
+ }
+
+
+ if (!state->driver.empty ()) {
+ if (!backend->requires_driver_selection ()) {
+ DEBUG_ECONTROL ("Backend should require driver selection");
+ // A backend has changed from having driver selection to not having
+ // it or someone has been manually editing a config file and messed
+ // it up
+ return false;
+ }
+
+ if (backend->set_driver (state->driver) != 0) {
+ DEBUG_ECONTROL (string_compose ("Unable to set driver %1", state->driver));
+ // Driver names for a backend have changed and the name in the
+ // config file is now invalid or support for driver is no longer
+ // included in the backend
+ return false;
+ }
+ // no need to set the driver_combo as backend_changed will use
+ // backend->driver_name to set the active driver
+ }
+
+ if (!state->device.empty ()) {
+ if (backend->set_device_name (state->device) != 0) {
+ DEBUG_ECONTROL (
+ string_compose ("Unable to set device name %1", state->device));
+ // device is no longer available on the system
+ return false;
+ }
+ // no need to set active device as it will be picked up in
+ // via backend_changed ()/set_device_popdown_strings
+
+ } else {
+ // backend supports separate input/output devices
+ if (backend->set_input_device_name (state->input_device) != 0) {
+ DEBUG_ECONTROL (string_compose ("Unable to set input device name %1",
+ state->input_device));
+ // input device is no longer available on the system
+ return false;
+ }
+
+ if (backend->set_output_device_name (state->output_device) != 0) {
+ DEBUG_ECONTROL (string_compose ("Unable to set output device name %1",
+ state->input_device));
+ // output device is no longer available on the system
+ return false;
+ }
+ // no need to set active devices as it will be picked up in via
+ // backend_changed ()/set_*_device_popdown_strings
+ }
+
+ backend_changed ();
+
+ // Now restore the state of the rest of the controls
+
+ // We don't use a SignalBlocker as set_current_state is currently only
+ // called from set_state before any signals are connected. If at some point
+ // a more general named state mechanism is implemented and
+ // set_current_state is called while signals are connected then a
+ // SignalBlocker will need to be instantiated before setting these.
+
+ device_combo.set_active_text (state->device);
+ input_device_combo.set_active_text (state->input_device);
+ output_device_combo.set_active_text (state->output_device);
+ if (0 == _desired_sample_rate && sample_rate_combo.get_sensitive ()) {
+ sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
+ }
+ set_active_text_if_present (buffer_size_combo, bufsize_as_string (state->buffer_size));
+ set_active_text_if_present (nperiods_combo, to_string (state->n_periods));
+ input_latency.set_value (state->input_latency);
+ output_latency.set_value (state->output_latency);
+ midi_option_combo.set_active_text (state->midi_option);
+ use_buffered_io_button.set_active (state->use_buffered_io);
+ return true;
+}
+
+int
+EngineControl::push_state_to_backend (bool start)
+{
+ DEBUG_ECONTROL ("push_state_to_backend");
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ PBD::Unwinder<uint32_t> protect_ignore_device_changes (ignore_device_changes, ignore_device_changes + 1);
+
+ 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_nperiods = false;
+ bool change_latency = false;
+ bool change_channels = false;
+ bool change_midi = false;
+ bool change_buffered_io = false;
+
+ uint32_t ochan = get_output_channels ();
+ uint32_t ichan = get_input_channels ();
+
+ if (_have_control) {
+
+ if (started_at_least_once) {
+
+ /* we can control the backend */
+
+ if (backend->requires_driver_selection()) {
+ if (get_driver() != backend->driver_name()) {
+ change_driver = true;
+ }
+ }
+
+ if (backend->use_separate_input_and_output_devices()) {
+ if (get_input_device_name() != backend->input_device_name()) {
+ change_device = true;
+ }
+ if (get_output_device_name() != backend->output_device_name()) {
+ change_device = true;
+ }
+ } else {
+ if (get_device_name() != backend->device_name()) {
+ change_device = true;
+ }
+ }
+
+ if (queue_device_changed) {
+ change_device = true;
+ }
+
+ if (get_rate() != backend->sample_rate()) {
+ change_rate = true;
+ }
+
+ if (get_buffer_size() != backend->buffer_size()) {
+ change_bufsize = true;
+ }
+
+ if (backend->can_set_period_size() && get_popdown_string_count (nperiods_combo) > 0
+ && get_nperiods() != backend->period_size()) {
+ change_nperiods = true;
+ }
+
+ if (get_midi_option() != backend->midi_option()) {
+ change_midi = true;
+ }
+
+ if (backend->can_use_buffered_io()) {
+ if (get_use_buffered_io() != backend->get_use_buffered_io()) {
+ change_buffered_io = 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;
+ change_buffered_io = backend->can_use_buffered_io();
+ change_channels = true;
+ change_nperiods = backend->can_set_period_size() && get_popdown_string_count (nperiods_combo) > 0;
+ }
+
+ } else {
+
+ /* we have no control over the backend, meaning that we can
+ * only possibly change sample rate and buffer size.
+ */
+
+
+ if (get_rate() != backend->sample_rate()) {
+ change_bufsize = true;
+ }
+
+ if (get_buffer_size() != backend->buffer_size()) {
+ change_bufsize = true;
+ }
+ }
+
+ queue_device_changed = false;
+
+ if (!_have_control) {
+
+ /* We do not have control over the backend, so the best we can
+ * do is try to change the sample rate and/or bufsize and get
+ * out of here.
+ */
+
+ if (change_rate && !backend->can_change_sample_rate_when_running()) {
+ return 1;
+ }
+
+ if (change_bufsize && !backend->can_change_buffer_size_when_running()) {
+ return 1;
+ }
+
+ if (change_rate) {
+ backend->set_sample_rate (get_rate());
+ }
+
+ if (change_bufsize) {
+ backend->set_buffer_size (get_buffer_size());
+ }
+
+ if (start) {
+ if (ARDOUR::AudioEngine::instance()->start ()) {
+ error << string_compose (_("Could not start backend engine %1"), backend->name()) << endmsg;
+ return -1;
+ }
+ }
+
+ post_push ();
+
+ return 0;
+ }
+
+ /* determine if we need to stop the backend before changing parameters */
+
+ if (change_driver || change_device || change_channels || change_nperiods ||
+ (change_latency && !backend->can_change_systemic_latency_when_running ()) ||
+ (change_rate && !backend->can_change_sample_rate_when_running()) ||
+ change_midi || change_buffered_io ||
+ (change_bufsize && !backend->can_change_buffer_size_when_running())) {
+ restart_required = true;
+ } else {
+ restart_required = false;
+ }
+
+
+ if (was_running) {
+ if (restart_required) {
+ if (ARDOUR::AudioEngine::instance()->stop()) {
+ return -1;
+ }
+ }
+ }
+
+ if (change_driver && backend->set_driver (get_driver())) {
+ error << string_compose (_("Cannot set driver to %1"), get_driver()) << endmsg;
+ return -1;
+ }
+ if (backend->use_separate_input_and_output_devices()) {
+ if (change_device && backend->set_input_device_name (get_input_device_name())) {
+ error << string_compose (_("Cannot set input device name to %1"), get_input_device_name()) << endmsg;
+ return -1;
+ }
+ if (change_device && backend->set_output_device_name (get_output_device_name())) {
+ error << string_compose (_("Cannot set output device name to %1"), get_output_device_name()) << endmsg;
+ return -1;
+ }
+ } else {
+ if (change_device && backend->set_device_name (get_device_name())) {
+ error << string_compose (_("Cannot set device name to %1"), get_device_name()) << endmsg;
+ return -1;
+ }
+ }
+ if (change_rate && backend->set_sample_rate (get_rate())) {
+ error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg;
+ return -1;
+ }
+ if (change_bufsize && backend->set_buffer_size (get_buffer_size())) {
+ error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg;
+ return -1;
+ }
+ if (change_nperiods && backend->set_peridod_size (get_nperiods())) {
+ error << string_compose (_("Cannot set periods to %1"), get_nperiods()) << 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 (change_buffered_io) {
+ backend->set_use_buffered_io (use_buffered_io_button.get_active());
+ }
+
+ if (1 /* TODO */) {
+ for (vector<MidiDeviceSettings>::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);
+ }
+ if (backend->can_change_systemic_latency_when_running ()) {
+ backend->set_systemic_midi_input_latency ((*p)->name, 0);
+ backend->set_systemic_midi_output_latency ((*p)->name, 0);
+ }
+ 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 (start || (was_running && restart_required)) {
+ if (ARDOUR::AudioEngine::instance()->start()) {
+ return -1;
+ }
+ }
+
+ post_push ();
+
+ return 0;
+}
+
+void
+EngineControl::post_push ()
+{
+ /* get a pointer to the current state object, creating one if
+ * necessary
+ */
+
+ State state = get_saved_state_for_currently_displayed_backend_and_device ();
+
+ if (!state) {
+ state = save_state ();
+ assert (state);
+ } else {
+ store_state(state);
+ }
+
+ states.sort (state_sort_cmp);
+
+ /* all off */
+
+ for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
+ (*i)->active = false;
+ }
+
+ /* mark this one active (to be used next time the dialog is
+ * shown)
+ */
+
+ state->active = true;
+
+ if (_have_control) { // XXX
+ manage_control_app_sensitivity ();
+ }
+
+ /* schedule a redisplay of MIDI ports */
+ //Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &EngineControl::refresh_midi_display), false), 1000);
+}
+
+
+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) {
+ fprintf(stderr, "Find a trout and repeatedly slap the nearest C++ who throws exceptions without catching them.\n");
+ fprintf(stderr, "Ardour will likely crash now, giving you time to get the trout.\n");
+ throw exception ();
+ }
+
+ return samples;
+}
+
+uint32_t
+EngineControl::get_nperiods () const
+{
+ string txt = nperiods_combo.get_active_text ();
+ return atoi (txt.c_str());
+}
+
+string
+EngineControl::get_midi_option () const
+{
+ return midi_option_combo.get_active_text();
+}
+
+bool
+EngineControl::get_use_buffered_io () const
+{
+ return use_buffered_io_button.get_active();
+}
+
+uint32_t
+EngineControl::get_input_channels() const
+{
+ if (ARDOUR::Profile->get_mixbus()) {
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ if (!backend) return 0;
+ return backend->input_channels();
+ }
+ return (uint32_t) input_channels_adjustment.get_value();
+}
+
+uint32_t
+EngineControl::get_output_channels() const
+{
+ if (ARDOUR::Profile->get_mixbus()) {
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ if (!backend) return 0;
+ return backend->input_channels();
+ }
+ 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
+{
+ if (driver_combo.get_parent()) {
+ return driver_combo.get_active_text ();
+ } else {
+ return "";
+ }
+}
+
+string
+EngineControl::get_device_name () const
+{
+ return device_combo.get_active_text ();
+}
+
+string
+EngineControl::get_input_device_name () const
+{
+ return input_device_combo.get_active_text ();
+}
+
+string
+EngineControl::get_output_device_name () const
+{
+ return output_device_combo.get_active_text ();
+}
+
+void
+EngineControl::control_app_button_clicked ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+
+ if (!backend) {
+ return;
+ }
+
+ backend->launch_control_app ();
+}
+
+void
+EngineControl::start_stop_button_clicked ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+
+ if (!backend) {
+ return;
+ }
+
+ if (ARDOUR::AudioEngine::instance()->running()) {
+ ARDOUR::AudioEngine::instance()->stop ();
+ } else {
+ if (!ARDOUR_UI::instance()->the_session ()) {
+ pop_splash ();
+ hide ();
+ ARDOUR::GUIIdle ();
+ }
+ start_engine ();
+ if (!ARDOUR_UI::instance()->the_session ()) {
+ ArdourDialog::on_response (RESPONSE_OK);
+ }
+ }
+}
+
+void
+EngineControl::update_devices_button_clicked ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+
+ if (!backend) {
+ return;
+ }
+
+ if (backend->update_devices()) {
+ device_list_changed ();
+ }
+}
+
+void
+EngineControl::use_buffered_io_button_clicked ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+
+ if (!backend) {
+ return;
+ }
+
+ bool set_buffered_io = !use_buffered_io_button.get_active();
+ use_buffered_io_button.set_active (set_buffered_io);
+ backend->set_use_buffered_io (set_buffered_io);
+}
+
+void
+EngineControl::manage_control_app_sensitivity ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+
+ if (!backend) {
+ return;
+ }
+
+ string appname = backend->control_app_name();
+
+ if (appname.empty()) {
+ control_app_button.set_sensitive (false);
+ } else {
+ control_app_button.set_sensitive (true);
+ }
+}
+
+void
+EngineControl::set_desired_sample_rate (uint32_t sr)
+{
+ _desired_sample_rate = sr;
+ if (ARDOUR::AudioEngine::instance ()->running ()
+ && ARDOUR::AudioEngine::instance ()->sample_rate () != sr) {
+ stop_engine ();
+ }
+ device_changed ();
+}
+
+void
+EngineControl::on_switch_page (GtkNotebookPage*, guint page_num)
+{
+ if (page_num == 0) {
+ _measure_midi.reset();
+ update_sensitivity ();
+ }
+
+ if (page_num == midi_tab) {
+ /* MIDI tab */
+ refresh_midi_display ();
+ }
+
+ if (page_num == latency_tab) {
+ /* latency tab */
+
+ if (ARDOUR::AudioEngine::instance()->running()) {
+ stop_engine (true);
+ }
+
+ {
+ PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
+
+ /* save any existing latency values */
+
+ uint32_t il = (uint32_t) input_latency.get_value ();
+ uint32_t ol = (uint32_t) input_latency.get_value ();
+
+ /* reset to zero so that our new test instance
+ will be clean of any existing latency measures.
+
+ NB. this should really be done by the backend
+ when stated for latency measurement.
+ */
+
+ input_latency.set_value (0);
+ output_latency.set_value (0);
+
+ push_state_to_backend (false);
+
+ /* reset control */
+
+ input_latency.set_value (il);
+ output_latency.set_value (ol);
+
+ }
+ // This should be done in push_state_to_backend()
+ if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) {
+ disable_latency_tab ();
+ }
+
+ enable_latency_tab ();
+
+ } else {
+ if (lm_running) {
+ end_latency_detection ();
+ ARDOUR::AudioEngine::instance()->stop_latency_detection();
+ }
+ }
+}
+
+/* latency measurement */
+
+bool
+EngineControl::check_audio_latency_measurement ()
+{
+ MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
+
+ if (mtdm->resolve () < 0) {
+ lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
+ return true;
+ }
+
+ if (mtdm->get_peak () > 0.707f) {
+ // get_peak() resets the peak-hold in the detector.
+ // this GUI callback is at 10Hz and so will be fine (test-signal is at higher freq)
+ lm_results.set_markup (string_compose (results_markup, _("Input signal is > -3dBFS. Lower the signal level (output gain, input gain) on the audio-interface.")));
+ return true;
+ }
+
+ if (mtdm->err () > 0.3) {
+ mtdm->invert ();
+ mtdm->resolve ();
+ }
+
+ char buf[256];
+ ARDOUR::samplecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate();
+
+ if (sample_rate == 0) {
+ lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine")));
+ ARDOUR::AudioEngine::instance()->stop_latency_detection ();
+ return false;
+ }
+
+ int samples_total = mtdm->del();
+ int extra = samples_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
+
+ snprintf (buf, sizeof (buf), "%s%d samples (%.3lf ms)\n%s%d samples (%.3lf ms)",
+ _("Detected roundtrip latency: "),
+ samples_total, samples_total * 1000.0f/sample_rate,
+ _("Systemic latency: "),
+ extra, extra * 1000.0f/sample_rate);
+
+ bool solid = true;
+
+ if (mtdm->err () > 0.2) {
+ strcat (buf, " ");
+ strcat (buf, _("(signal detection error)"));
+ solid = false;
+ }
+
+ if (mtdm->inv ()) {
+ strcat (buf, " ");
+ strcat (buf, _("(inverted - bad wiring)"));
+ solid = false;
+ }
+
+ lm_results.set_markup (string_compose (results_markup, buf));
+
+ if (solid) {
+ have_lm_results = true;
+ end_latency_detection ();
+ lm_use_button.set_sensitive (true);
+ return false;
+ }
+
+ return true;
+}
+
+bool
+EngineControl::check_midi_latency_measurement ()
+{
+ ARDOUR::MIDIDM* mididm = ARDOUR::AudioEngine::instance()->mididm ();
+
+ if (!mididm->have_signal () || mididm->latency () == 0) {
+ lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
+ return true;
+ }
+
+ char buf[256];
+ ARDOUR::samplecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate();
+
+ if (sample_rate == 0) {
+ lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine")));
+ ARDOUR::AudioEngine::instance()->stop_latency_detection ();
+ return false;
+ }
+
+ ARDOUR::samplecnt_t samples_total = mididm->latency();
+ ARDOUR::samplecnt_t extra = samples_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
+ snprintf (buf, sizeof (buf), "%s%" PRId64" samples (%.1lf ms) dev: %.2f[spl]\n%s%" PRId64" samples (%.1lf ms)",
+ _("Detected roundtrip latency: "),
+ samples_total, samples_total * 1000.0f / sample_rate, mididm->deviation (),
+ _("Systemic latency: "),
+ extra, extra * 1000.0f / sample_rate);
+
+ bool solid = true;
+
+ if (!mididm->ok ()) {
+ strcat (buf, " ");
+ strcat (buf, _("(averaging)"));
+ solid = false;
+ }
+
+ if (mididm->deviation () > 50.0) {
+ strcat (buf, " ");
+ strcat (buf, _("(too large jitter)"));
+ solid = false;
+ } else if (mididm->deviation () > 10.0) {
+ strcat (buf, " ");
+ strcat (buf, _("(large jitter)"));
+ }
+
+ if (solid) {
+ have_lm_results = true;
+ end_latency_detection ();
+ lm_use_button.set_sensitive (true);
+ lm_results.set_markup (string_compose (results_markup, buf));
+ return false;
+ } else if (mididm->processed () > 400) {
+ have_lm_results = false;
+ end_latency_detection ();
+ lm_results.set_markup (string_compose (results_markup, _("Timeout - large MIDI jitter.")));
+ return false;
+ }
+
+ lm_results.set_markup (string_compose (results_markup, buf));
+
+ return true;
+}
+
+void
+EngineControl::start_latency_detection ()
+{
+ ARDOUR::AudioEngine::instance()->set_latency_input_port (lm_input_channel_combo.get_active_text());
+ ARDOUR::AudioEngine::instance()->set_latency_output_port (lm_output_channel_combo.get_active_text());
+
+ if (ARDOUR::AudioEngine::instance()->start_latency_detection (_measure_midi ? true : false) == 0) {
+ lm_results.set_markup (string_compose (results_markup, _("Detecting ...")));
+ if (_measure_midi) {
+ latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_midi_latency_measurement), 100);
+ } else {
+ latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_audio_latency_measurement), 100);
+ }
+ lm_measure_label.set_text (_("Cancel"));
+ have_lm_results = false;
+ lm_use_button.set_sensitive (false);
+ lm_input_channel_combo.set_sensitive (false);
+ lm_output_channel_combo.set_sensitive (false);
+ lm_running = true;
+ }
+}
+
+void
+EngineControl::end_latency_detection ()
+{
+ latency_timeout.disconnect ();
+ ARDOUR::AudioEngine::instance()->stop_latency_detection ();
+ lm_measure_label.set_text (_("Measure"));
+ if (!have_lm_results) {
+ lm_use_button.set_sensitive (false);
+ }
+ lm_input_channel_combo.set_sensitive (true);
+ lm_output_channel_combo.set_sensitive (true);
+ lm_running = false;
+}
+
+void
+EngineControl::latency_button_clicked ()
+{
+ if (!lm_running) {
+ start_latency_detection ();
+ } else {
+ end_latency_detection ();
+ }
+}
+
+void
+EngineControl::latency_back_button_clicked ()
+{
+ ARDOUR::AudioEngine::instance()->stop_latency_detection ();
+ notebook.set_current_page(0);
+}
+
+void
+EngineControl::use_latency_button_clicked ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ if (_measure_midi) {
+ ARDOUR::MIDIDM* mididm = ARDOUR::AudioEngine::instance()->mididm ();
+ if (!mididm) {
+ return;
+ }
+ ARDOUR::samplecnt_t samples_total = mididm->latency();
+ ARDOUR::samplecnt_t extra = samples_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
+ uint32_t one_way = max ((ARDOUR::samplecnt_t) 0, extra / 2);
+ _measure_midi->input_latency = one_way;
+ _measure_midi->output_latency = one_way;
+ if (backend->can_change_systemic_latency_when_running ()) {
+ backend->set_systemic_midi_input_latency (_measure_midi->name, one_way);
+ backend->set_systemic_midi_output_latency (_measure_midi->name, one_way);
+ }
+ notebook.set_current_page (midi_tab);
+ } else {
+ MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
+
+ if (!mtdm) {
+ return;
+ }
+
+ double one_way = rint ((mtdm->del() - ARDOUR::AudioEngine::instance()->latency_signal_delay()) / 2.0);
+ one_way = std::max (0., one_way);
+
+ input_latency_adjustment.set_value (one_way);
+ output_latency_adjustment.set_value (one_way);
+ if (backend->can_change_systemic_latency_when_running ()) {
+ backend->set_systemic_input_latency (one_way);
+ backend->set_systemic_output_latency (one_way);
+ }
+
+ /* back to settings page */
+ notebook.set_current_page (0);
+ }
+}
+
+bool
+EngineControl::on_delete_event (GdkEventAny* ev)
+{
+ if (notebook.get_current_page() == 2) {
+ /* currently on latency tab - be sure to clean up */
+ end_latency_detection ();
+ }
+ return ArdourDialog::on_delete_event (ev);
+}
+
+void
+EngineControl::engine_running ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+
+ set_active_text_if_present (buffer_size_combo, bufsize_as_string (backend->buffer_size()));
+ sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate()));
+
+ if (backend->can_set_period_size ()) {
+ set_active_text_if_present (nperiods_combo, to_string (backend->period_size()));
+ }
+
+ connect_disconnect_button.set_label (string_compose (_("Disconnect from %1"), backend->name()));
+ connect_disconnect_button.show();
+
+ started_at_least_once = true;
+ if (_have_control) {
+ engine_status.set_markup(string_compose ("<span foreground=\"green\">%1</span>", _("Running")));
+ } else {
+ engine_status.set_markup(string_compose ("<span foreground=\"green\">%1</span>", _("Connected")));
+ }
+ update_sensitivity();
+}
+
+void
+EngineControl::engine_stopped ()
+{
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
+
+ connect_disconnect_button.set_label (string_compose (_("Connect to %1"), backend->name()));
+ connect_disconnect_button.show();
+
+ if (_have_control) {
+ engine_status.set_markup(string_compose ("<span foreground=\"red\">%1</span>", _("Stopped")));
+ } else {
+ engine_status.set_markup(X_(""));
+ }
+
+ update_sensitivity();
+}
+
+void
+EngineControl::device_list_changed ()
+{
+ if (ignore_device_changes) {
+ return;
+ }
+ PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); // ??
+ list_devices ();
+ midi_option_changed();
+}
+
+void
+EngineControl::connect_disconnect_click()
+{
+ if (ARDOUR::AudioEngine::instance()->running()) {
+ stop_engine ();
+ } else {
+ if (!ARDOUR_UI::instance()->the_session ()) {
+ pop_splash ();
+ hide ();
+ ARDOUR::GUIIdle ();
+ }
+ start_engine ();
+ if (!ARDOUR_UI::instance()->the_session ()) {
+ ArdourDialog::on_response (RESPONSE_OK);
+ }
+ }
+}
+
+void
+EngineControl::calibrate_audio_latency ()
+{
+ _measure_midi.reset ();
+ have_lm_results = false;
+ lm_use_button.set_sensitive (false);
+ lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
+ notebook.set_current_page (latency_tab);
+}
+
+void
+EngineControl::calibrate_midi_latency (MidiDeviceSettings s)
+{
+ _measure_midi = s;
+ have_lm_results = false;
+ lm_use_button.set_sensitive (false);
+ lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
+ notebook.set_current_page (latency_tab);
+}
+
+void
+EngineControl::configure_midi_devices ()
+{
+ notebook.set_current_page (midi_tab);
+}
projects / ardour.git / blobdiff