#include <boost/scoped_ptr.hpp>
-#include <glibmm.h>
#include <gtkmm/messagedialog.h>
#include "pbd/error.h"
#include "pbd/xml++.h"
+#include "pbd/unwind.h"
+#include "pbd/failed_constructor.h"
+#include <gtkmm/alignment.h>
#include <gtkmm/stock.h>
#include <gtkmm/notebook.h>
#include <gtkmm2ext/utils.h>
#include "ardour/audio_backend.h"
#include "ardour/audioengine.h"
+#include "ardour/mtdm.h"
#include "ardour/rc_configuration.h"
+#include "ardour/types.h"
#include "pbd/convert.h"
#include "pbd/error.h"
+#include "ardour_ui.h"
#include "engine_dialog.h"
+#include "gui_thread.h"
+#include "utils.h"
#include "i18n.h"
using namespace std;
using namespace PBD;
using namespace Glib;
+static const unsigned int midi_tab = -1; /* not currently in use */
+static const unsigned int latency_tab = 1; /* zero-based, page zero is the main setup page */
+
+static const char* results_markup = X_("<span foreground=\"red\" style=\"italic\" size=\"larger\">%1</span>");
+
EngineControl::EngineControl ()
- : input_latency_adjustment (0, 0, 99999, 1)
+ : ArdourDialog (_("Audio/MIDI Setup"))
+ , basic_packer (9, 4)
+ , input_latency_adjustment (0, 0, 99999, 1)
, input_latency (input_latency_adjustment)
, output_latency_adjustment (0, 0, 99999, 1)
, output_latency (output_latency_adjustment)
- , input_channels_adjustment (2, 0, 256, 1)
+ , input_channels_adjustment (0, 0, 256, 1)
, input_channels (input_channels_adjustment)
- , output_channels_adjustment (2, 0, 256, 1)
+ , output_channels_adjustment (0, 0, 256, 1)
, output_channels (output_channels_adjustment)
, ports_adjustment (128, 8, 1024, 1, 16)
, ports_spinner (ports_adjustment)
- , realtime_button (_("Realtime"))
-#ifdef __APPLE___
- , basic_packer (6, 2)
-#else
- , basic_packer (9, 2)
-#endif
- , _used (false)
+ , control_app_button (_("Device Control Panel"))
+ , lm_measure_label (_("Measure"))
+ , lm_use_button (_("Use results"))
+ , lm_back_button (_("Back to settings ... (ignore results)"))
+ , lm_button (_("Calibrate..."))
+ , lm_table (12, 3)
+ , have_lm_results (false)
+ , lm_running (false)
+ , midi_refresh_button (_("Refresh list"))
+ , ignore_changes (0)
+ , _desired_sample_rate (0)
+ , started_at_least_once (false)
{
using namespace Notebook_Helpers;
- Label* label;
vector<string> strings;
- int row = 0;
+ Label* label;
+ AttachOptions xopt = AttachOptions (FILL|EXPAND);
+ int row;
+ set_name (X_("AudioMIDISetup"));
- /* basic parameters */
+ /* the backend combo is the one thing that is ALWAYS visible
+ */
- basic_packer.set_spacings (6);
+ vector<const ARDOUR::AudioBackendInfo*> backends = ARDOUR::AudioEngine::instance()->available_backends();
- strings.clear ();
+ if (backends.empty()) {
+ MessageDialog msg (string_compose (_("No audio/MIDI backends detected. %1 cannot run\n\n(This is a build/packaging/system error. It should never happen.)"), PROGRAM_NAME));
+ msg.run ();
+ throw failed_constructor ();
+ }
- vector<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);
}
set_popdown_strings (backend_combo, strings);
backend_combo.set_active_text (strings.front());
-
backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed));
- backend_changed ();
- driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed));
+ /* setup basic packing characteristics for the table used on the main
+ * tab of the notebook
+ */
- strings.clear ();
- strings.push_back (_("None"));
-#ifdef __APPLE__
- strings.push_back (_("coremidi"));
-#else
- strings.push_back (_("seq"));
- strings.push_back (_("raw"));
-#endif
- set_popdown_strings (midi_driver_combo, strings);
- midi_driver_combo.set_active_text (strings.front ());
+ basic_packer.set_spacings (6);
+ basic_packer.set_border_width (12);
+ basic_packer.set_homogeneous (false);
- row = 0;
+ /* pack it in */
- label = manage (left_aligned_label (_("Audio System:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
- basic_packer.attach (backend_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
- row++;
+ basic_hbox.pack_start (basic_packer, false, false);
- label = manage (left_aligned_label (_("Driver:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
- basic_packer.attach (driver_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
- row++;
+ /* latency tab */
- label = manage (left_aligned_label (_("Device:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
- basic_packer.attach (device_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
+ /* latency measurement tab */
+
+ lm_title.set_markup (string_compose ("<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++;
- label = manage (left_aligned_label (_("Sample rate:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
- basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
- row++;
+ Gtk::Label* preamble;
- sr_connection = sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed));
+ preamble = manage (new Label);
+ preamble->set_width_chars (60);
+ preamble->set_line_wrap (true);
+ preamble->set_markup (_("<span weight=\"bold\">Turn down the volume on your audio equipment to a very low level.</span>"));
- label = manage (left_aligned_label (_("Buffer size:")));
- basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
- basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0);
+ lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
row++;
- bs_connection = buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed));
-
- label = manage (left_aligned_label (_("Hardware input latency:")));
- basic_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0);
- basic_packer.attach (input_latency, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0);
- label = manage (left_aligned_label (_("samples")));
- basic_packer.attach (*label, 2, 3, row, row+1, FILL|EXPAND, (AttachOptions) 0);
- ++row;
-
- label = manage (left_aligned_label (_("Hardware output latency:")));
- basic_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0);
- basic_packer.attach (output_latency, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0);
- label = manage (left_aligned_label (_("samples")));
- basic_packer.attach (*label, 2, 3, row, row+1, FILL|EXPAND, (AttachOptions) 0);
- ++row;
-
- device_combo.set_size_request (250, -1);
- input_device_combo.set_size_request (250, -1);
- output_device_combo.set_size_request (250, -1);
+ preamble = manage (new Label);
+ preamble->set_width_chars (60);
+ preamble->set_line_wrap (true);
+ preamble->set_markup (_("Select two channels below and connect them using a cable."));
- device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed));
-
- basic_hbox.pack_start (basic_packer, false, false);
-
- basic_packer.set_border_width (12);
- midi_packer.set_border_width (12);
+ lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ row++;
- notebook.pages().push_back (TabElem (basic_hbox, _("Audio")));
- notebook.pages().push_back (TabElem (midi_hbox, _("MIDI")));
- notebook.set_border_width (12);
+ label = manage (new Label (_("Output channel")));
+ lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
- notebook.set_tab_pos (POS_RIGHT);
- notebook.show_all ();
+ Gtk::Alignment* misc_align = manage (new Alignment (0.0, 0.5));
+ misc_align->add (lm_output_channel_combo);
+ lm_table.attach (*misc_align, 1, 3, row, row+1, xopt, (AttachOptions) 0);
+ ++row;
- notebook.set_name ("SettingsNotebook");
+ label = manage (new Label (_("Input channel")));
+ lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
- set_border_width (12);
- pack_start (notebook);
+ misc_align = manage (new Alignment (0.0, 0.5));
+ misc_align->add (lm_input_channel_combo);
+ lm_table.attach (*misc_align, 1, 3, row, row+1, FILL, (AttachOptions) 0);
+ ++row;
- /* Pick up any existing audio setup configuration, if appropriate */
+ xopt = AttachOptions(0);
- XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup");
+ lm_measure_label.set_padding (10, 10);
+ lm_measure_button.add (lm_measure_label);
+ lm_measure_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::latency_button_clicked));
+ lm_use_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::use_latency_button_clicked));
+ lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0));
- if (audio_setup) {
- set_state (*audio_setup);
- }
-}
+ lm_use_button.set_sensitive (false);
-EngineControl::~EngineControl ()
-{
+ /* Increase the default spacing around the labels of these three
+ * buttons
+ */
-}
+ Gtk::Misc* l;
-void
-EngineControl::backend_changed ()
-{
- string backend_name = backend_combo.get_active_text();
- boost::shared_ptr<ARDOUR::AudioBackend> backend;
-
- if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, "ardour", ""))) {
- /* eh? */
- return;
+ if ((l = dynamic_cast<Gtk::Misc*>(lm_use_button.get_child())) != 0) {
+ l->set_padding (10, 10);
}
- if (backend->requires_driver_selection()) {
- vector<string> drivers = backend->enumerate_drivers();
- driver_combo.set_sensitive (true);
- set_popdown_strings (driver_combo, drivers);
- driver_combo.set_active_text (drivers.front());
- driver_changed ();
- } else {
- driver_combo.set_sensitive (false);
- list_devices ();
+ if ((l = dynamic_cast<Gtk::Misc*>(lm_back_button.get_child())) != 0) {
+ l->set_padding (10, 10);
}
-
- maybe_set_state ();
-}
-void
-EngineControl::list_devices ()
-{
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
+ preamble = manage (new Label);
+ preamble->set_width_chars (60);
+ preamble->set_line_wrap (true);
+ preamble->set_markup (_("Once the channels are connected, click the \"Measure\" button."));
+ lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ row++;
- /* now fill out devices, mark sample rates, buffer sizes insensitive */
-
- vector<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.
- */
+ preamble = manage (new Label);
+ preamble->set_width_chars (60);
+ preamble->set_line_wrap (true);
+ preamble->set_markup (_("When satisfied with the results, click the \"Use results\" button."));
+ lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
- vector<string> available_devices;
+ ++row; // skip a row in the table
+ ++row; // skip a row in the table
- for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) {
- available_devices.push_back (i->name);
- }
+ lm_table.attach (lm_results, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
- set_popdown_strings (device_combo, available_devices);
- set_popdown_strings (input_device_combo, available_devices);
- set_popdown_strings (output_device_combo, available_devices);
-
- if (!available_devices.empty()) {
- device_combo.set_active_text (available_devices.front());
- input_device_combo.set_active_text (available_devices.front());
- output_device_combo.set_active_text (available_devices.front());
- }
+ ++row; // skip a row in the table
+ ++row; // skip a row in the table
- device_changed ();
-}
-
-void
-EngineControl::driver_changed ()
-{
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
+ lm_table.attach (lm_measure_button, 0, 1, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ lm_table.attach (lm_use_button, 1, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
+ lm_table.attach (lm_back_button, 2, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
- backend->set_driver (driver_combo.get_active_text());
- list_devices ();
+ lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
- maybe_set_state ();
-}
+ lm_vbox.set_border_width (12);
+ lm_vbox.pack_start (lm_table, false, false);
-void
-EngineControl::device_changed ()
-{
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
- string device_name = device_combo.get_active_text ();
- vector<string> s;
-
- /* don't allow programmatic change to sample_rate_combo to cause a
- recursive call to this method.
- */
-
- sr_connection.block ();
-
- /* sample rates */
-
- vector<float> sr = backend->available_sample_rates (device_name);
- for (vector<float>::const_iterator x = sr.begin(); x != sr.end(); ++x) {
- char buf[32];
- if (fmod (*x, 1000.0f)) {
- snprintf (buf, sizeof (buf), "%.1f kHz", (*x)/1000.0);
- } else {
- snprintf (buf, sizeof (buf), "%.0f kHz", (*x)/1000.0);
- }
- s.push_back (buf);
- }
+ /* pack it all up */
- set_popdown_strings (sample_rate_combo, s);
- sample_rate_combo.set_active_text (s.front());
+ notebook.pages().push_back (TabElem (basic_vbox, _("Audio")));
+ // notebook.pages().push_back (TabElem (midi_vbox, _("MIDI")));
+ notebook.pages().push_back (TabElem (lm_vbox, _("Latency")));
+ notebook.set_border_width (12);
- reshow_buffer_sizes (true);
+ notebook.set_show_tabs (false);
+ notebook.show_all ();
- sr_connection.unblock ();
-
- maybe_set_state ();
-}
+ notebook.set_name ("SettingsNotebook");
-void
-EngineControl::sample_rate_changed ()
-{
- /* reset the strings for buffer size to show the correct msec value
- (reflecting the new sample rate
- */
+ /* packup the notebook */
- reshow_buffer_sizes (false);
- save_state ();
+ get_vbox()->set_border_width (12);
+ get_vbox()->pack_start (notebook);
-}
+ /* need a special function to print "all available channels" when the
+ * channel counts hit zero.
+ */
-void
-EngineControl::buffer_size_changed ()
-{
- save_state ();
-}
+ input_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &input_channels));
+ output_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &output_channels));
-void
-EngineControl::reshow_buffer_sizes (bool size_choice_changed)
-{
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
- string device_name = device_combo.get_active_text ();
- vector<string> s;
- uint32_t existing_size_choice = 0;
- string new_target_string;
+ control_app_button.signal_clicked().connect (mem_fun (*this, &EngineControl::control_app_button_clicked));
+ manage_control_app_sensitivity ();
- /* buffer sizes - convert from just samples to samples + msecs for
- * the displayed string
- */
+ cancel_button = add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+ ok_button = add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK);
+ apply_button = add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_APPLY);
- bs_connection.block ();
+ /* Pick up any existing audio setup configuration, if appropriate */
- if (!size_choice_changed) {
- sscanf (buffer_size_combo.get_active_text().c_str(), "%" PRIu32, &existing_size_choice);
- }
+ XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup");
- s.clear ();
- vector<uint32_t> bs = backend->available_buffer_sizes(device_name);
- uint32_t rate = get_rate();
+ ARDOUR::AudioEngine::instance()->Running.connect (running_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::engine_running, this), gui_context());
+ ARDOUR::AudioEngine::instance()->Stopped.connect (stopped_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::engine_stopped, this), gui_context());
+ ARDOUR::AudioEngine::instance()->Halted.connect (stopped_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::engine_stopped, this), gui_context());
- for (vector<uint32_t>::const_iterator x = bs.begin(); x != bs.end(); ++x) {
- char buf[32];
+ backend_changed ();
+
+ if (audio_setup) {
+ set_state (*audio_setup);
+ }
- /* Translators: "samples" is ALWAYS plural here, so we do not
- need singular form as well. Same for msecs.
- */
- snprintf (buf, sizeof (buf), _("%u samples (%.1f msecs)"), *x, (2 * (*x)) / (rate/1000.0));
- s.push_back (buf);
+ /* Connect to signals */
- /* if this is the size previously chosen, this is the string we
- * will want to be active in the combo.
+ driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed));
+ sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed));
+ buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed));
+ device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed));
+ midi_option_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::midi_option_changed));
+
+ input_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
+ output_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
+ input_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
+ output_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
+
+ notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page));
+ }
+
+ void
+ EngineControl::on_response (int response_id)
+ {
+ ArdourDialog::on_response (response_id);
+
+ switch (response_id) {
+ case RESPONSE_APPLY:
+ push_state_to_backend (true);
+ break;
+ case RESPONSE_OK:
+ push_state_to_backend (true);
+ hide ();
+ break;
+ case RESPONSE_DELETE_EVENT: {
+ GdkEventButton ev;
+ ev.type = GDK_BUTTON_PRESS;
+ ev.button = 1;
+ on_delete_event ((GdkEventAny*) &ev);
+ break;
+ }
+ default:
+ hide ();
+ }
+ }
+
+ void
+ EngineControl::build_notebook ()
+ {
+ Label* label;
+ AttachOptions xopt = AttachOptions (FILL|EXPAND);
+
+ /* clear the table */
+
+ Gtkmm2ext::container_clear (basic_vbox);
+ Gtkmm2ext::container_clear (basic_packer);
+
+ if (control_app_button.get_parent()) {
+ control_app_button.get_parent()->remove (control_app_button);
+ }
+
+ label = manage (left_aligned_label (_("Audio System:")));
+ basic_packer.attach (*label, 0, 1, 0, 1, xopt, (AttachOptions) 0);
+ basic_packer.attach (backend_combo, 1, 2, 0, 1, xopt, (AttachOptions) 0);
+
+ lm_button.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_latency));
+ lm_button.set_name ("record enable button");
+ if (_have_control) {
+ build_full_control_notebook ();
+ } else {
+ build_no_control_notebook ();
+ }
+
+ basic_vbox.pack_start (basic_hbox, false, false);
+
+ if (_have_control) {
+ Gtk::HBox* hpacker = manage (new HBox);
+ hpacker->set_border_width (12);
+ hpacker->pack_start (control_app_button, false, false);
+ hpacker->show ();
+ control_app_button.show();
+ basic_vbox.pack_start (*hpacker);
+ }
+
+ basic_vbox.show_all ();
+ }
+
+ void
+ EngineControl::build_full_control_notebook ()
+ {
+ boost::shared_ptr<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.
*/
- if (existing_size_choice == *x) {
- new_target_string = buf;
- }
-
- }
+ /* 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).
+ */
- set_popdown_strings (buffer_size_combo, s);
+ show_buffer_duration ();
+ save_state ();
- if (!new_target_string.empty()) {
- buffer_size_combo.set_active_text (new_target_string);
- } else {
- buffer_size_combo.set_active_text (s.front());
- }
+ }
- bs_connection.unblock ();
-}
+ void
+ EngineControl::buffer_size_changed ()
+ {
+ if (ignore_changes) {
+ return;
+ }
-void
-EngineControl::audio_mode_changed ()
-{
- std::string str = audio_mode_combo.get_active_text();
-
- if (str == _("Playback/recording on 1 device")) {
- input_device_combo.set_sensitive (false);
- output_device_combo.set_sensitive (false);
- } else if (str == _("Playback/recording on 2 devices")) {
- input_device_combo.set_sensitive (true);
- output_device_combo.set_sensitive (true);
- } else if (str == _("Playback only")) {
- output_device_combo.set_sensitive (true);
- input_device_combo.set_sensitive (false);
- } else if (str == _("Recording only")) {
- input_device_combo.set_sensitive (true);
- output_device_combo.set_sensitive (false);
- }
-}
+ show_buffer_duration ();
+ save_state ();
+ }
-EngineControl::State*
-EngineControl::get_matching_state (const string& backend,
- const string& driver,
- const string& device)
-{
- for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
- if ((*i).backend == backend &&
- (*i).driver == driver &&
- (*i).device == device) {
- return &(*i);
- }
- }
- return 0;
-}
+ void
+ EngineControl::show_buffer_duration ()
+ {
-EngineControl::State*
-EngineControl::get_current_state ()
-{
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ /* buffer sizes - convert from just samples to samples + msecs for
+ * the displayed string
+ */
+
+ string bs_text = buffer_size_combo.get_active_text ();
+ uint32_t samples = atoi (bs_text); /* will ignore trailing text */
+ uint32_t rate = get_rate();
- if (backend) {
- return get_matching_state (backend_combo.get_active_text(),
+ /* Translators: "msecs" is ALWAYS plural here, so we do not
+ need singular form as well.
+ */
+ /* Developers: note the hard-coding of a double buffered model
+ in the (2 * samples) computation of latency. we always start
+ the audiobackend in this configuration.
+ */
+ char buf[32];
+ snprintf (buf, sizeof (buf), _("(%.1f msecs)"), (2 * samples) / (rate/1000.0));
+ buffer_size_duration_label.set_text (buf);
+ }
+
+ void
+ EngineControl::midi_option_changed ()
+ {
+ if (!ignore_changes) {
+ save_state ();
+ }
+ }
+
+ void
+ EngineControl::parameter_changed ()
+ {
+ if (!ignore_changes) {
+ save_state ();
+ }
+ }
+
+ EngineControl::State*
+ EngineControl::get_matching_state (const string& backend,
+ const string& driver,
+ const string& device)
+ {
+ for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
+ if ((*i).backend == backend &&
+ (*i).driver == driver &&
+ (*i).device == device) {
+ return &(*i);
+ }
+ }
+ return 0;
+ }
+
+ EngineControl::State*
+ EngineControl::get_saved_state_for_currently_displayed_backend_and_device ()
+ {
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+
+ if (backend) {
+ return get_matching_state (backend_combo.get_active_text(),
(backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()),
device_combo.get_active_text());
- }
+ }
+
+
+ return get_matching_state (backend_combo.get_active_text(),
+ string(),
+ device_combo.get_active_text());
+ }
+
+ EngineControl::State*
+ EngineControl::save_state ()
+ {
+ if (!_have_control) {
+ return 0;
+ }
+
+ bool existing = true;
+ State* state = get_saved_state_for_currently_displayed_backend_and_device ();
+
+ if (!state) {
+ existing = false;
+ state = new State;
+ }
+
+ store_state (*state);
+
+ if (!existing) {
+ states.push_back (*state);
+ }
+
+ return state;
+ }
+
+ void
+ EngineControl::store_state (State& state)
+ {
+ state.backend = get_backend ();
+ state.driver = get_driver ();
+ state.device = get_device_name ();
+ state.sample_rate = get_rate ();
+ state.buffer_size = get_buffer_size ();
+ state.input_latency = get_input_latency ();
+ state.output_latency = get_output_latency ();
+ state.input_channels = get_input_channels ();
+ state.output_channels = get_output_channels ();
+ state.midi_option = get_midi_option ();
+ }
+
+ void
+ EngineControl::maybe_display_saved_state ()
+ {
+ if (!_have_control) {
+ return;
+ }
+
+ State* state = get_saved_state_for_currently_displayed_backend_and_device ();
+
+ if (state) {
+ PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
+
+ if (!_desired_sample_rate) {
+ sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
+ }
+ buffer_size_combo.set_active_text (bufsize_as_string (state->buffer_size));
+ /* call this explicitly because we're ignoring changes to
+ the controls at this point.
+ */
+ show_buffer_duration ();
+ input_latency.set_value (state->input_latency);
+ output_latency.set_value (state->output_latency);
+
+ if (!state->midi_option.empty()) {
+ midi_option_combo.set_active_text (state->midi_option);
+ }
+ }
+ }
+
+ XMLNode&
+ EngineControl::get_state ()
+ {
+ XMLNode* root = new XMLNode ("AudioMIDISetup");
+ std::string path;
+
+ if (!states.empty()) {
+ XMLNode* state_nodes = new XMLNode ("EngineStates");
+
+ for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) {
+
+ XMLNode* node = new XMLNode ("State");
+
+ node->add_property ("backend", (*i).backend);
+ node->add_property ("driver", (*i).driver);
+ node->add_property ("device", (*i).device);
+ node->add_property ("sample-rate", (*i).sample_rate);
+ node->add_property ("buffer-size", (*i).buffer_size);
+ node->add_property ("input-latency", (*i).input_latency);
+ node->add_property ("output-latency", (*i).output_latency);
+ node->add_property ("input-channels", (*i).input_channels);
+ node->add_property ("output-channels", (*i).output_channels);
+ node->add_property ("active", (*i).active ? "yes" : "no");
+ node->add_property ("midi-option", (*i).midi_option);
+
+ state_nodes->add_child_nocopy (*node);
+ }
+
+ root->add_child_nocopy (*state_nodes);
+ }
+
+ return *root;
+ }
+
+ void
+ EngineControl::set_state (const XMLNode& root)
+ {
+ XMLNodeList clist, cclist;
+ XMLNodeConstIterator citer, cciter;
+ XMLNode* child;
+ XMLNode* grandchild;
+ XMLProperty* prop = NULL;
+
+ if (root.name() != "AudioMIDISetup") {
+ return;
+ }
+
+ clist = root.children();
+
+ states.clear ();
+
+ for (citer = clist.begin(); citer != clist.end(); ++citer) {
+
+ child = *citer;
+
+ if (child->name() != "EngineStates") {
+ continue;
+ }
+
+ cclist = child->children();
+
+ for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) {
+ State state;
+
+ grandchild = *cciter;
+
+ if (grandchild->name() != "State") {
+ continue;
+ }
+
+ if ((prop = grandchild->property ("backend")) == 0) {
+ continue;
+ }
+ state.backend = prop->value ();
+
+ if ((prop = grandchild->property ("driver")) == 0) {
+ continue;
+ }
+ state.driver = prop->value ();
+
+ if ((prop = grandchild->property ("device")) == 0) {
+ continue;
+ }
+ state.device = prop->value ();
+
+ if ((prop = grandchild->property ("sample-rate")) == 0) {
+ continue;
+ }
+ state.sample_rate = atof (prop->value ());
+
+ if ((prop = grandchild->property ("buffer-size")) == 0) {
+ continue;
+ }
+ state.buffer_size = atoi (prop->value ());
+
+ if ((prop = grandchild->property ("input-latency")) == 0) {
+ continue;
+ }
+ state.input_latency = atoi (prop->value ());
+
+ if ((prop = grandchild->property ("output-latency")) == 0) {
+ continue;
+ }
+ state.output_latency = atoi (prop->value ());
+
+ if ((prop = grandchild->property ("input-channels")) == 0) {
+ continue;
+ }
+ state.input_channels = atoi (prop->value ());
+
+ if ((prop = grandchild->property ("output-channels")) == 0) {
+ continue;
+ }
+ state.output_channels = atoi (prop->value ());
+
+ if ((prop = grandchild->property ("active")) == 0) {
+ continue;
+ }
+ state.active = string_is_affirmative (prop->value ());
+
+ if ((prop = grandchild->property ("midi-option")) == 0) {
+ continue;
+ }
+ state.midi_option = prop->value ();
+
+ states.push_back (state);
+ }
+ }
+
+ /* now see if there was an active state and switch the setup to it */
+
+ for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) {
+
+ if ((*i).active) {
+ ignore_changes++;
+ backend_combo.set_active_text ((*i).backend);
+ driver_combo.set_active_text ((*i).driver);
+ device_combo.set_active_text ((*i).device);
+ sample_rate_combo.set_active_text (rate_as_string ((*i).sample_rate));
+ buffer_size_combo.set_active_text (bufsize_as_string ((*i).buffer_size));
+ input_latency.set_value ((*i).input_latency);
+ output_latency.set_value ((*i).output_latency);
+ midi_option_combo.set_active_text ((*i).midi_option);
+ ignore_changes--;
+ break;
+ }
+ }
+ }
+
+ int
+ EngineControl::push_state_to_backend (bool start)
+ {
+ 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.
+ */
+
+ input_latency.set_value (0);
+ output_latency.set_value (0);
+
+ /* reset control */
+
+ input_latency.set_value (il);
+ output_latency.set_value (ol);
+
+ }
+
+ if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) {
+ disable_latency_tab ();
+ }
+
+ enable_latency_tab ();
+
+ } else {
+ if (lm_running) {
+ ARDOUR::AudioEngine::instance()->stop_latency_detection();
+ }
+ }
+ }
+
+ /* latency measurement */
+
+ bool
+ EngineControl::check_latency_measurement ()
+ {
+ MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
+
+ if (mtdm->resolve () < 0) {
+ lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
+ return true;
+ }
+
+ if (mtdm->err () > 0.3) {
+ mtdm->invert ();
+ mtdm->resolve ();
+ }
+
+ char buf[128];
+ ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate();
+
+ if (sample_rate == 0) {
+ lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine")));
+ ARDOUR::AudioEngine::instance()->stop_latency_detection ();
+ return false;
+ }
+
+ uint32_t frames_total = mtdm->del();
+ uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
+
+ snprintf (buf, sizeof (buf), "%u samples / %.3lf ms", extra, extra * 1000.0f/sample_rate);
+
+ bool solid = true;
+
+ if (mtdm->err () > 0.2) {
+ strcat (buf, " ");
+ strcat (buf, _("(signal detection error)"));
+ solid = false;
+ }
+
+ if (mtdm->inv ()) {
+ strcat (buf, " ");
+ strcat (buf, _("(inverted - bad wiring)"));
+ solid = false;
+ }
+ if (solid) {
+ end_latency_detection ();
+ lm_use_button.set_sensitive (true);
+ have_lm_results = true;
+ }
+
+ lm_results.set_markup (string_compose (results_markup, string_compose (_("Detected roundtrip latency: %1"), buf)));
- return get_matching_state (backend_combo.get_active_text(),
- string(),
- device_combo.get_active_text());
+ return true;
}
void
-EngineControl::save_state ()
+EngineControl::start_latency_detection ()
{
- bool existing = true;
- State* state = get_current_state ();
-
- if (!state) {
- existing = false;
- state = new State;
- }
-
- state->backend = backend_combo.get_active_text ();
- state->driver = driver_combo.get_active_text ();
- state->device = device_combo.get_active_text ();
- state->buffer_size = buffer_size_combo.get_active_text ();
- state->sample_rate = sample_rate_combo.get_active_text ();
-
- if (!existing) {
- states.push_back (*state);
+ ARDOUR::AudioEngine::instance()->set_latency_input_port (lm_input_channel_combo.get_active_text());
+ ARDOUR::AudioEngine::instance()->set_latency_output_port (lm_output_channel_combo.get_active_text());
+
+ if (ARDOUR::AudioEngine::instance()->start_latency_detection () == 0) {
+ lm_results.set_markup (string_compose (results_markup, _("Detecting ...")));
+ latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_latency_measurement), 100);
+ lm_measure_label.set_text (_("Cancel"));
+ have_lm_results = false;
+ lm_use_button.set_sensitive (false);
+ lm_input_channel_combo.set_sensitive (false);
+ lm_output_channel_combo.set_sensitive (false);
+ lm_running = true;
}
}
void
-EngineControl::maybe_set_state ()
+EngineControl::end_latency_detection ()
{
- State* state = get_current_state ();
-
- if (state) {
- sr_connection.block ();
- bs_connection.block ();
- sample_rate_combo.set_active_text (state->sample_rate);
- /* need to reset possible strings for buffer size before we do
- this
- */
- reshow_buffer_sizes (false);
- buffer_size_combo.set_active_text (state->buffer_size);
- bs_connection.unblock ();
- sr_connection.unblock ();
+ latency_timeout.disconnect ();
+ ARDOUR::AudioEngine::instance()->stop_latency_detection ();
+ lm_measure_label.set_text (_("Measure"));
+ if (!have_lm_results) {
+ lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
+ } else {
+ lm_use_button.set_sensitive (false);
}
+ lm_input_channel_combo.set_sensitive (true);
+ lm_output_channel_combo.set_sensitive (true);
+ lm_running = false;
}
-
-XMLNode&
-EngineControl::get_state ()
-{
- XMLNode* root = new XMLNode ("AudioMIDISetup");
- std::string path;
-
- if (_used) {
-
- if (!states.empty()) {
- XMLNode* state_nodes = new XMLNode ("EngineStates");
-
- for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) {
-
- XMLNode* node = new XMLNode ("State");
-
- node->add_property ("backend", (*i).backend);
- node->add_property ("driver", (*i).driver);
- node->add_property ("device", (*i).device);
- node->add_property ("sample-rate", (*i).sample_rate);
- node->add_property ("buffer-size", (*i).buffer_size);
- node->add_property ("input-latency", (*i).input_latency);
- node->add_property ("output-latency", (*i).output_latency);
- node->add_property ("input-channels", (*i).input_channels);
- node->add_property ("output-channels", (*i).output_channels);
- node->add_property ("active", (*i).active ? "yes" : "no");
-
- state_nodes->add_child_nocopy (*node);
- }
- root->add_child_nocopy (*state_nodes);
- }
- }
-
- return *root;
+void
+EngineControl::latency_button_clicked ()
+{
+ if (!lm_running) {
+ start_latency_detection ();
+ } else {
+ end_latency_detection ();
+ }
}
void
-EngineControl::set_state (const XMLNode& root)
+EngineControl::use_latency_button_clicked ()
{
- XMLNodeList clist, cclist;
- XMLNodeConstIterator citer, cciter;
- XMLNode* child;
- XMLNode* grandchild;
- XMLProperty* prop = NULL;
+ MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
- if (root.name() != "AudioMIDISetup") {
+ if (!mtdm) {
return;
}
- clist = root.children();
-
- states.clear ();
-
- for (citer = clist.begin(); citer != clist.end(); ++citer) {
-
- child = *citer;
-
- if (child->name() != "EngineStates") {
- continue;
- }
-
- cclist = child->children();
-
- for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) {
- State state;
-
- grandchild = *cciter;
-
- if (grandchild->name() != "State") {
- continue;
- }
-
- if ((prop = grandchild->property ("backend")) == 0) {
- continue;
- }
- state.backend = prop->value ();
-
- if ((prop = grandchild->property ("driver")) == 0) {
- continue;
- }
- state.driver = prop->value ();
-
- if ((prop = grandchild->property ("device")) == 0) {
- continue;
- }
- state.device = prop->value ();
-
- if ((prop = grandchild->property ("sample-rate")) == 0) {
- continue;
- }
- state.sample_rate = prop->value ();
-
- if ((prop = grandchild->property ("buffer-size")) == 0) {
- continue;
- }
- state.buffer_size = prop->value ();
-
- if ((prop = grandchild->property ("input-latency")) == 0) {
- continue;
- }
- state.input_latency = prop->value ();
-
- if ((prop = grandchild->property ("output-latency")) == 0) {
- continue;
- }
- state.output_latency = prop->value ();
-
- if ((prop = grandchild->property ("input-channels")) == 0) {
- continue;
- }
- state.input_channels = prop->value ();
-
- if ((prop = grandchild->property ("output-channels")) == 0) {
- continue;
- }
- state.output_channels = prop->value ();
-
- if ((prop = grandchild->property ("active")) == 0) {
- continue;
- }
- state.active = string_is_affirmative (prop->value ());
-
- states.push_back (state);
- }
- }
-
- /* now see if there was an active state and switch the setup to it */
-
- for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) {
- if ((*i).active) {
- sr_connection.block ();
- bs_connection.block ();
- backend_combo.set_active_text ((*i).backend);
- driver_combo.set_active_text ((*i).driver);
- device_combo.set_active_text ((*i).device);
- sample_rate_combo.set_active_text ((*i).sample_rate);
- buffer_size_combo.set_active_text ((*i).buffer_size);
- sr_connection.unblock ();
- bs_connection.unblock ();
- break;
- }
- }
-}
-
-int
-EngineControl::setup_engine (bool start)
-{
- boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
- assert (backend);
-
- /* grab the parameters from the GUI and apply them */
-
- try {
- if (backend->requires_driver_selection()) {
- if (backend->set_driver (get_driver())) {
- return -1;
- }
- }
-
- if (backend->set_device_name (get_device_name())) {
- return -1;
- }
-
- if (backend->set_sample_rate (get_rate())) {
- error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg;
- return -1;
- }
- if (backend->set_buffer_size (get_buffer_size())) {
- error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg;
- return -1;
- }
- if (backend->set_input_channels (get_input_channels())) {
- error << string_compose (_("Cannot set input channels to %1"), get_input_channels()) << endmsg;
- return -1;
- }
- if (backend->set_output_channels (get_output_channels())) {
- error << string_compose (_("Cannot set output channels to %1"), get_output_channels()) << endmsg;
- return -1;
- }
- if (backend->set_systemic_input_latency (get_input_latency())) {
- error << string_compose (_("Cannot set input latency to %1"), get_input_latency()) << endmsg;
- return -1;
- }
- if (backend->set_systemic_output_latency (get_output_latency())) {
- error << string_compose (_("Cannot set output latency to %1"), get_output_latency()) << endmsg;
- return -1;
- }
-
- /* we've used this dialog to configure the engine, which means
- * that our state becomes relevant for saving (and thus
- * implicitly, restoring.
- */
-
- _used = true;
-
- /* get a pointer to the current state object, creating one if
- * necessary
- */
-
- State* state = get_current_state ();
-
- if (!state) {
- save_state ();
- state = get_current_state ();
- assert (state);
- }
-
- /* 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)
- */
+ uint32_t frames_total = mtdm->del();
+ uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
+ uint32_t one_way = extra/2;
- state->active = true;
-
- if (start) {
- return ARDOUR::AudioEngine::instance()->start();
- }
+ input_latency_adjustment.set_value (one_way);
+ output_latency_adjustment.set_value (one_way);
- return 0;
+ /* back to settings page */
- } catch (...) {
- cerr << "exception thrown...\n";
- return -1;
- }
+ notebook.set_current_page (0);
}
-uint32_t
-EngineControl::get_rate () const
+bool
+EngineControl::on_delete_event (GdkEventAny* ev)
{
- double r = atof (sample_rate_combo.get_active_text ());
- /* the string may have been translated with an abbreviation for
- * thousands, so use a crude heuristic to fix this.
- */
- if (r < 1000.0) {
- r *= 1000.0;
+ if (notebook.get_current_page() == 2) {
+ /* currently on latency tab - be sure to clean up */
+ end_latency_detection ();
}
- return lrint (r);
+ return ArdourDialog::on_delete_event (ev);
}
-uint32_t
-EngineControl::get_buffer_size () const
+void
+EngineControl::engine_running ()
{
- string txt = buffer_size_combo.get_active_text ();
- uint32_t samples;
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
- if (sscanf (txt.c_str(), "%d", &samples) != 1) {
- throw exception ();
- }
+ buffer_size_combo.set_active_text (bufsize_as_string (backend->buffer_size()));
+ sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate()));
- return samples;
-}
+ buffer_size_combo.set_sensitive (true);
+ sample_rate_combo.set_sensitive (true);
-uint32_t
-EngineControl::get_input_channels() const
-{
- return (uint32_t) input_channels_adjustment.get_value();
-}
+ connect_disconnect_button.set_label (string_compose (_("Disconnect from %1"), backend->name()));
-uint32_t
-EngineControl::get_output_channels() const
-{
- return (uint32_t) output_channels_adjustment.get_value();
+ started_at_least_once = true;
}
-uint32_t
-EngineControl::get_input_latency() const
+void
+EngineControl::engine_stopped ()
{
- return (uint32_t) input_latency_adjustment.get_value();
-}
+ boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+ assert (backend);
-uint32_t
-EngineControl::get_output_latency() const
-{
- return (uint32_t) output_latency_adjustment.get_value();
-}
+ buffer_size_combo.set_sensitive (false);
+ connect_disconnect_button.set_label (string_compose (_("Connect to %1"), backend->name()));
-string
-EngineControl::get_driver () const
+ sample_rate_combo.set_sensitive (true);
+ buffer_size_combo.set_sensitive (true);
+}
+
+void
+EngineControl::connect_disconnect_click()
{
- return driver_combo.get_active_text ();
+ if (ARDOUR::AudioEngine::instance()->running()) {
+ ARDOUR_UI::instance()->disconnect_from_engine ();
+ } else {
+ ARDOUR_UI::instance()->reconnect_to_engine ();
+ }
}
-string
-EngineControl::get_device_name () const
+void
+EngineControl::calibrate_latency ()
{
- return device_combo.get_active_text ();
+ notebook.set_current_page (latency_tab);
}
projects / ardour.git / blobdiff