fix_bbtppq: add missing space - no-op
[ardour.git] / gtk2_ardour / engine_dialog.cc
index ef19aa871446c282c6f8c38d892c0ecb4162009a..8a6c42fd8c79bdb11771d4463dcfe96322fa65b3 100644 (file)
@@ -53,7 +53,7 @@
 #include "engine_dialog.h"
 #include "gui_thread.h"
 #include "utils.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace Gtk;
@@ -87,6 +87,7 @@ EngineControl::EngineControl ()
        , 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)"))
@@ -96,6 +97,7 @@ EngineControl::EngineControl ()
        , lm_running (false)
        , 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)
@@ -262,7 +264,6 @@ EngineControl::EngineControl ()
        output_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &output_channels));
 
        midi_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::configure_midi_devices));
-       midi_devices_button.set_sensitive (false);
        midi_devices_button.set_name ("generic button");
        midi_devices_button.set_can_focus(true);
 
@@ -281,6 +282,11 @@ EngineControl::EngineControl ()
        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);
+
        cancel_button = add_button (Gtk::Stock::CLOSE, Gtk::RESPONSE_CANCEL);
        ok_button = add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK);
 
@@ -301,13 +307,18 @@ EngineControl::EngineControl ()
                set_default_state ();
        }
 
+       update_sensitivity ();
        connect_changed_signals ();
 
        notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page));
 
        connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click));
-       connect_disconnect_button.set_no_show_all();
 
+       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();
 }
 
 void
@@ -412,6 +423,18 @@ EngineControl::on_show ()
        ok_button->grab_focus();
 }
 
+bool
+EngineControl::try_autostart ()
+{
+       if (!start_stop_button.get_sensitive()) {
+               return false;
+       }
+       if (ARDOUR::AudioEngine::instance()->running()) {
+               return true;
+       }
+       return start_engine ();
+}
+
 bool
 EngineControl::start_engine ()
 {
@@ -503,6 +526,7 @@ EngineControl::build_notebook ()
 
        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");
@@ -649,13 +673,7 @@ EngineControl::build_full_control_notebook ()
        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);
-#if ! defined __APPLE__  && ! defined PLATFORM_WINDOWS // => linux, YAY
-       /* Currently the only backend with dedicated Midi setup is ALSA.
-        * lot of people complain that this is greyed out
-        * "I can't use MIDI, the setup is greyed out"
-        */
        basic_packer.attach (midi_devices_button, 3, 4, row, row+1, xopt, xopt);
-#endif
        row++;
 }
 
@@ -834,11 +852,17 @@ EngineControl::update_sensitivity ()
        }
 
        if (get_popdown_string_count (sample_rate_combo) > 0) {
+               bool allow_to_set_rate = false;
                if (!ARDOUR::AudioEngine::instance()->running()) {
-                       sample_rate_combo.set_sensitive (true);
-               } else {
-                       sample_rate_combo.set_sensitive (false);
+                       if (!ARDOUR_UI::instance()->session_loaded) {
+                               // 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;
@@ -860,18 +884,27 @@ EngineControl::update_sensitivity ()
                if (ARDOUR::AudioEngine::instance()->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();
        }
@@ -1365,7 +1398,10 @@ EngineControl::set_samplerate_popdown_strings ()
        set_popdown_strings (sample_rate_combo, s);
 
        if (!s.empty()) {
-               if (desired.empty ()) {
+               if (ARDOUR::AudioEngine::instance()->running()) {
+                       sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate()));
+               }
+               else if (desired.empty ()) {
                        float new_active_sr = backend->default_sample_rate ();
 
                        if (std::find (sr.begin (), sr.end (), new_active_sr) == sr.end ()) {
@@ -1569,12 +1605,7 @@ EngineControl::output_device_changed ()
 string
 EngineControl::bufsize_as_string (uint32_t sz)
 {
-       /* Translators: "samples" is always plural here, so no
-          need for plural+singular forms.
-        */
-       char buf[64];
-       snprintf (buf, sizeof (buf), "%u %s", sz, P_("sample", "samples", sz));
-       return buf;
+       return string_compose (P_("%1 sample", "%1 samples", sz), sz);
 }
 
 string
@@ -1675,9 +1706,9 @@ EngineControl::midi_option_changed ()
        _midi_devices = new_devices;
 
        if (_midi_devices.empty()) {
-               midi_devices_button.set_sensitive (false);
+               midi_devices_button.hide ();
        } else {
-               midi_devices_button.set_sensitive (true);
+               midi_devices_button.show ();
        }
 }
 
@@ -1829,6 +1860,7 @@ EngineControl::store_state (State state)
        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) ;
 }
 
@@ -1858,6 +1890,8 @@ EngineControl::maybe_display_saved_state ()
                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;
@@ -1870,7 +1904,7 @@ EngineControl::maybe_display_saved_state ()
 XMLNode&
 EngineControl::get_state ()
 {
-       LocaleGuard lg (X_("C"));
+       LocaleGuard lg;
 
        XMLNode* root = new XMLNode ("AudioMIDISetup");
        std::string path;
@@ -1895,6 +1929,7 @@ EngineControl::get_state ()
                        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 ("use-buffered-io", (*i)->use_buffered_io ? "yes" : "no");
                        node->add_property ("midi-option", (*i)->midi_option);
                        node->add_property ("lru", (*i)->active ? time (NULL) : (*i)->lru);
 
@@ -1939,11 +1974,9 @@ EngineControl::set_state (const XMLNode& root)
 {
        XMLNodeList          clist, cclist;
        XMLNodeConstIterator citer, cciter;
-       XMLNode* child;
-       XMLNode* grandchild;
-       XMLProperty* prop = NULL;
-
-       fprintf (stderr, "EngineControl::set_state\n");
+       XMLNode const * child;
+       XMLNode const * grandchild;
+       XMLProperty const * prop = NULL;
 
        if (root.name() != "AudioMIDISetup") {
                return false;
@@ -2039,6 +2072,11 @@ EngineControl::set_state (const XMLNode& root)
                        }
                        state->active = string_is_affirmative (prop->value ());
 
+                       if ((prop = grandchild->property ("use-buffered-io")) == 0) {
+                               continue;
+                       }
+                       state->use_buffered_io = string_is_affirmative (prop->value ());
+
                        if ((prop = grandchild->property ("midi-option")) == 0) {
                                continue;
                        }
@@ -2206,12 +2244,15 @@ EngineControl::set_current_state (const State& state)
        device_combo.set_active_text (state->device);
        input_device_combo.set_active_text (state->input_device);
        output_device_combo.set_active_text (state->output_device);
-       sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
+       if (!_desired_sample_rate) {
+               sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
+       }
        set_active_text_if_present (buffer_size_combo, bufsize_as_string (state->buffer_size));
        set_active_text_if_present (nperiods_combo, nperiods_as_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;
 }
 
@@ -2220,6 +2261,7 @@ 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;
@@ -2237,6 +2279,7 @@ EngineControl::push_state_to_backend (bool start)
        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 ();
@@ -2287,6 +2330,12 @@ EngineControl::push_state_to_backend (bool start)
                                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) {
@@ -2322,6 +2371,8 @@ EngineControl::push_state_to_backend (bool start)
                        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;
                }
 
@@ -2383,7 +2434,7 @@ EngineControl::push_state_to_backend (bool start)
        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_midi || change_buffered_io ||
                        (change_bufsize && !backend->can_change_buffer_size_when_running())) {
                restart_required = true;
        } else {
@@ -2456,6 +2507,10 @@ EngineControl::push_state_to_backend (bool start)
                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) {
@@ -2570,6 +2625,12 @@ 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
 {
@@ -2680,6 +2741,20 @@ EngineControl::update_devices_button_clicked ()
        }
 }
 
+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 ()
 {
@@ -2702,6 +2777,10 @@ 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 ();
 }
 
@@ -2782,6 +2861,13 @@ EngineControl::check_audio_latency_measurement ()
                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 ();
@@ -3034,6 +3120,9 @@ EngineControl::engine_stopped ()
 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();