#include "engine_dialog.h"
#include "gui_thread.h"
#include "utils.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace Gtk;
, 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_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)
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);
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);
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
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 (
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 ();
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 ();
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 ()
{
}
bool
-EngineControl::stop_engine ()
+EngineControl::stop_engine (bool for_latency)
{
- if (ARDOUR::AudioEngine::instance()->stop()) {
+ if (ARDOUR::AudioEngine::instance()->stop(for_latency)) {
MessageDialog msg(*this,
ARDOUR::AudioEngine::instance()->get_last_backend_error());
msg.run();
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");
buffer_size_duration_label.set_alignment (0.0); /* left-align */
basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0);
- /* button spans 2 rows */
+ 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;
+ }
+
+ /* button spans 2 or 3 rows */
- basic_packer.attach (control_app_button, 3, 4, row-1, row+1, xopt, xopt);
+ basic_packer.attach (control_app_button, 3, 4, row - ctrl_btn_span, row + 1, xopt, xopt);
row++;
input_channels.set_name ("InputChannels");
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++;
}
valid = false;
}
+ if (get_popdown_string_count (nperiods_combo) > 0) {
+ if (!ARDOUR::AudioEngine::instance()->running()) {
+ nperiods_combo.set_sensitive (true);
+ } else {
+ nperiods_combo.set_sensitive (false);
+ }
+ } else {
+ nperiods_combo.set_sensitive (false);
+ }
+
if (_have_control) {
start_stop_button.set_sensitive(true);
start_stop_button.show();
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();
}
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 (nperiods_as_string (*x));
+ }
+
+ set_popdown_strings (nperiods_combo, s);
+
+ if (!s.empty()) {
+ set_active_text_if_present (nperiods_combo, nperiods_as_string (backend->period_size())); // XXX
+ }
+
+ update_sensitivity ();
+}
+
void
EngineControl::device_changed ()
{
set_samplerate_popdown_strings ();
set_buffersize_popdown_strings ();
+ set_nperiods_popdown_strings ();
/* TODO set min + max channel counts here */
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 string_compose (P_("%1 sample", "%1 samples", sz), sz);
+}
+
+string
+EngineControl::nperiods_as_string (uint32_t np)
+{
+ char buf[8];
+ snprintf (buf, sizeof (buf), "%u", np);
return buf;
}
+
void
EngineControl::sample_rate_changed ()
{
show_buffer_duration ();
}
+void
+EngineControl::nperiods_changed ()
+{
+ DEBUG_ECONTROL ("nperiods_changed");
+ show_buffer_duration ();
+}
+
void
EngineControl::show_buffer_duration ()
{
uint32_t samples = atoi (bs_text); /* will ignore trailing text */
uint32_t rate = get_rate();
- /* Developers: note the hard-coding of a double buffered model
- in the (2 * samples) computation of latency. we always start
- the audiobackend in this configuration.
- */
- /* note to jack1 developers: ardour also always starts the engine
- * in async mode (no jack2 --sync option) which adds an extra cycle
- * of latency with jack2 (and *3 would be correct)
- * The value can also be wrong if jackd is started externally..
+ /* Except for ALSA and Dummy backends, we don't know the number of periods
+ * per cycle and settings.
*
- * At the time of writing the ALSA backend always uses double-buffering *2,
- * The Dummy backend *1, and who knows what ASIO really does :)
+ * 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.
_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 ();
}
}
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) ;
}
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));
/* call this explicitly because we're ignoring changes to
the controls at this point.
*/
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;
XMLNode&
EngineControl::get_state ()
{
- LocaleGuard lg (X_("C"));
+ LocaleGuard lg;
XMLNode* root = new XMLNode ("AudioMIDISetup");
std::string path;
node->add_property ("output-device", (*i)->output_device);
node->add_property ("sample-rate", (*i)->sample_rate);
node->add_property ("buffer-size", (*i)->buffer_size);
+ node->add_property ("n-periods", (*i)->n_periods);
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 ("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);
{
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;
}
state->buffer_size = atoi (prop->value ());
+ if ((prop = grandchild->property ("n-periods")) == 0) {
+ // optional (new value in 4.5)
+ state->n_periods = 0;
+ } else {
+ state->n_periods = atoi (prop->value ());
+ }
+
if ((prop = grandchild->property ("input-latency")) == 0) {
continue;
}
}
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;
}
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;
}
{
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;
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 ();
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) {
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 {
/* determine if we need to stop the backend before changing parameters */
- if (change_driver || change_device || change_channels || change_latency ||
+ 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 {
restart_required = false;
}
+
if (was_running) {
if (restart_required) {
if (ARDOUR::AudioEngine::instance()->stop()) {
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())) {
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) {
} 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);
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
{
}
}
+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 ()
{
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 ();
}
/* latency tab */
if (ARDOUR::AudioEngine::instance()->running()) {
- // TODO - mark as 'stopped for latency
- stop_engine ();
+ stop_engine (true);
}
{
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 ();
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, nperiods_as_string (backend->period_size()));
+ }
+
connect_disconnect_button.set_label (string_compose (_("Disconnect from %1"), backend->name()));
connect_disconnect_button.show();
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();