2580 lines
76 KiB
C++
2580 lines
76 KiB
C++
/*
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Copyright (C) 2010 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <exception>
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#include <vector>
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#include <cmath>
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#include <fstream>
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#include <map>
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#include <boost/scoped_ptr.hpp>
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#include <gtkmm/messagedialog.h>
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#include "pbd/error.h"
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#include "pbd/xml++.h"
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#include "pbd/unwind.h"
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#include "pbd/failed_constructor.h"
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#include <gtkmm/alignment.h>
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#include <gtkmm/stock.h>
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#include <gtkmm/notebook.h>
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#include <gtkmm2ext/utils.h>
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#include "ardour/audio_backend.h"
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#include "ardour/audioengine.h"
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#include "ardour/mtdm.h"
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#include "ardour/mididm.h"
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#include "ardour/rc_configuration.h"
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#include "ardour/types.h"
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#include "ardour/profile.h"
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#include "pbd/convert.h"
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#include "pbd/error.h"
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#include "opts.h"
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#include "ardour_ui.h"
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#include "engine_dialog.h"
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#include "gui_thread.h"
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#include "utils.h"
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#include "i18n.h"
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using namespace std;
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using namespace Gtk;
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using namespace Gtkmm2ext;
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using namespace PBD;
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using namespace Glib;
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using namespace ARDOUR_UI_UTILS;
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static const unsigned int midi_tab = 2;
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static const unsigned int latency_tab = 1; /* zero-based, page zero is the main setup page */
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static const char* results_markup = X_("<span weight=\"bold\" size=\"larger\">%1</span>");
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EngineControl::EngineControl ()
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: ArdourDialog (_("Audio/MIDI Setup"))
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, engine_status ("")
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, basic_packer (9, 4)
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, input_latency_adjustment (0, 0, 99999, 1)
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, input_latency (input_latency_adjustment)
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, output_latency_adjustment (0, 0, 99999, 1)
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, output_latency (output_latency_adjustment)
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, input_channels_adjustment (0, 0, 256, 1)
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, input_channels (input_channels_adjustment)
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, output_channels_adjustment (0, 0, 256, 1)
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, output_channels (output_channels_adjustment)
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, ports_adjustment (128, 8, 1024, 1, 16)
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, ports_spinner (ports_adjustment)
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, control_app_button (_("Device Control Panel"))
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, midi_devices_button (_("Midi Device Setup"))
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, lm_measure_label (_("Measure"))
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, lm_use_button (_("Use results"))
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, lm_back_button (_("Back to settings ... (ignore results)"))
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, lm_button_audio (_("Calibrate Audio"))
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, lm_table (12, 3)
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, have_lm_results (false)
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, lm_running (false)
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, midi_back_button (_("Back to settings"))
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, ignore_changes (0)
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, _desired_sample_rate (0)
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, started_at_least_once (false)
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, queue_device_changed (false)
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{
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using namespace Notebook_Helpers;
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vector<string> backend_names;
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Label* label;
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AttachOptions xopt = AttachOptions (FILL|EXPAND);
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int row;
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set_name (X_("AudioMIDISetup"));
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/* the backend combo is the one thing that is ALWAYS visible */
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vector<const ARDOUR::AudioBackendInfo*> backends = ARDOUR::AudioEngine::instance()->available_backends();
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if (backends.empty()) {
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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));
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msg.run ();
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throw failed_constructor ();
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}
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for (vector<const ARDOUR::AudioBackendInfo*>::const_iterator b = backends.begin(); b != backends.end(); ++b) {
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backend_names.push_back ((*b)->name);
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}
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set_popdown_strings (backend_combo, backend_names);
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backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed));
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/* setup basic packing characteristics for the table used on the main
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* tab of the notebook
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*/
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basic_packer.set_spacings (6);
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basic_packer.set_border_width (12);
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basic_packer.set_homogeneous (false);
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/* pack it in */
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basic_hbox.pack_start (basic_packer, false, false);
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/* latency measurement tab */
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lm_title.set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("Latency Measurement Tool")));
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row = 0;
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lm_table.set_row_spacings (12);
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lm_table.set_col_spacings (6);
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lm_table.set_homogeneous (false);
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lm_table.attach (lm_title, 0, 3, row, row+1, xopt, (AttachOptions) 0);
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row++;
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lm_preamble.set_width_chars (60);
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lm_preamble.set_line_wrap (true);
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lm_preamble.set_markup (_("<span weight=\"bold\">Turn down the volume on your audio equipment to a very low level.</span>"));
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lm_table.attach (lm_preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
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row++;
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Gtk::Label* preamble;
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preamble = manage (new Label);
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preamble->set_width_chars (60);
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preamble->set_line_wrap (true);
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preamble->set_markup (_("Select two channels below and connect them using a cable."));
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lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
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row++;
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label = manage (new Label (_("Output channel")));
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lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
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Gtk::Alignment* misc_align = manage (new Alignment (0.0, 0.5));
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misc_align->add (lm_output_channel_combo);
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lm_table.attach (*misc_align, 1, 3, row, row+1, xopt, (AttachOptions) 0);
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++row;
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label = manage (new Label (_("Input channel")));
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lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
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misc_align = manage (new Alignment (0.0, 0.5));
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misc_align->add (lm_input_channel_combo);
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lm_table.attach (*misc_align, 1, 3, row, row+1, FILL, (AttachOptions) 0);
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++row;
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xopt = AttachOptions(0);
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lm_measure_label.set_padding (10, 10);
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lm_measure_button.add (lm_measure_label);
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lm_measure_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::latency_button_clicked));
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lm_use_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::use_latency_button_clicked));
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lm_back_button_signal = lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0));
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lm_use_button.set_sensitive (false);
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/* Increase the default spacing around the labels of these three
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* buttons
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*/
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Gtk::Misc* l;
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if ((l = dynamic_cast<Gtk::Misc*>(lm_use_button.get_child())) != 0) {
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l->set_padding (10, 10);
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}
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if ((l = dynamic_cast<Gtk::Misc*>(lm_back_button.get_child())) != 0) {
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l->set_padding (10, 10);
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}
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preamble = manage (new Label);
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preamble->set_width_chars (60);
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preamble->set_line_wrap (true);
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preamble->set_markup (_("Once the channels are connected, click the \"Measure\" button."));
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lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
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row++;
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preamble = manage (new Label);
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preamble->set_width_chars (60);
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preamble->set_line_wrap (true);
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preamble->set_markup (_("When satisfied with the results, click the \"Use results\" button."));
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lm_table.attach (*preamble, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
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++row; // skip a row in the table
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++row; // skip a row in the table
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lm_table.attach (lm_results, 0, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
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++row; // skip a row in the table
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++row; // skip a row in the table
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lm_table.attach (lm_measure_button, 0, 1, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
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lm_table.attach (lm_use_button, 1, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
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lm_table.attach (lm_back_button, 2, 3, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0);
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lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
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lm_vbox.set_border_width (12);
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lm_vbox.pack_start (lm_table, false, false);
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midi_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0));
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/* pack it all up */
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notebook.pages().push_back (TabElem (basic_vbox, _("Audio")));
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notebook.pages().push_back (TabElem (lm_vbox, _("Latency")));
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notebook.pages().push_back (TabElem (midi_vbox, _("MIDI")));
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notebook.set_border_width (12);
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notebook.set_show_tabs (false);
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notebook.show_all ();
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notebook.set_name ("SettingsNotebook");
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/* packup the notebook */
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get_vbox()->set_border_width (12);
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get_vbox()->pack_start (notebook);
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get_action_area()->pack_start (engine_status);
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engine_status.show();
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/* need a special function to print "all available channels" when the
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* channel counts hit zero.
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*/
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input_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &input_channels));
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output_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &output_channels));
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midi_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::configure_midi_devices));
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midi_devices_button.set_sensitive (false);
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midi_devices_button.set_name ("generic button");
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midi_devices_button.set_can_focus(true);
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control_app_button.signal_clicked().connect (mem_fun (*this, &EngineControl::control_app_button_clicked));
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manage_control_app_sensitivity ();
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cancel_button = add_button (Gtk::Stock::CLOSE, Gtk::RESPONSE_CANCEL);
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apply_button = add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_APPLY);
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ok_button = add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK);
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/* Pick up any existing audio setup configuration, if appropriate */
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XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup");
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ARDOUR::AudioEngine::instance()->Running.connect (running_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::engine_running, this), gui_context());
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ARDOUR::AudioEngine::instance()->Stopped.connect (stopped_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::engine_stopped, this), gui_context());
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ARDOUR::AudioEngine::instance()->Halted.connect (stopped_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::engine_stopped, this), gui_context());
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ARDOUR::AudioEngine::instance()->DeviceListChanged.connect (devicelist_connection, MISSING_INVALIDATOR, boost::bind (&EngineControl::device_list_changed, this), gui_context());
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if (audio_setup) {
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set_state (*audio_setup);
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}
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if (backend_combo.get_active_text().empty()) {
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PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
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backend_combo.set_active_text (backend_names.front());
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}
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backend_changed ();
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/* in case the setting the backend failed, e.g. stale config, from set_state(), try again */
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if (0 == ARDOUR::AudioEngine::instance()->current_backend()) {
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backend_combo.set_active_text (backend_names.back());
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/* ignore: don't save state */
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PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
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backend_changed ();
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}
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/* Connect to signals */
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driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed));
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sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed));
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buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed));
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device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed));
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midi_option_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::midi_option_changed));
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input_device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::input_device_changed));
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output_device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::output_device_changed));
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input_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
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output_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
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input_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
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output_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed));
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notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page));
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connect_disconnect_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::connect_disconnect_click));
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connect_disconnect_button.set_no_show_all();
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}
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void
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EngineControl::on_show ()
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{
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ArdourDialog::on_show ();
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if (!ARDOUR::AudioEngine::instance()->current_backend() || !ARDOUR::AudioEngine::instance()->running()) {
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// re-check _have_control (jackd running) see #6041
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backend_changed ();
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}
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device_changed ();
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input_device_changed ();
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output_device_changed ();
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ok_button->grab_focus();
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}
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void
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EngineControl::on_response (int response_id)
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{
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ArdourDialog::on_response (response_id);
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switch (response_id) {
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case RESPONSE_APPLY:
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push_state_to_backend (true);
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break;
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case RESPONSE_OK:
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#ifdef PLATFORM_WINDOWS
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// For some reason we don't understand, 'hide()'
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// needs to get called first in Windows
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hide ();
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// But if there's no session open, this can produce
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// a long gap when nothing appears to be happening.
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// Let's show the splash image while we're waiting.
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if ( !ARDOUR_COMMAND_LINE::no_splash ) {
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if ( ARDOUR_UI::instance() ) {
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if ( !ARDOUR_UI::instance()->session_loaded ) {
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ARDOUR_UI::instance()->show_splash();
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}
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}
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}
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push_state_to_backend (true);
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break;
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#else
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push_state_to_backend (true);
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hide ();
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break;
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#endif
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case RESPONSE_DELETE_EVENT:
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{
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GdkEventButton ev;
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ev.type = GDK_BUTTON_PRESS;
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ev.button = 1;
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on_delete_event ((GdkEventAny*) &ev);
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break;
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}
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default:
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hide ();
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}
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}
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void
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EngineControl::build_notebook ()
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{
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Label* label;
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AttachOptions xopt = AttachOptions (FILL|EXPAND);
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/* clear the table */
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Gtkmm2ext::container_clear (basic_vbox);
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Gtkmm2ext::container_clear (basic_packer);
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if (control_app_button.get_parent()) {
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control_app_button.get_parent()->remove (control_app_button);
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}
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label = manage (left_aligned_label (_("Audio System:")));
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basic_packer.attach (*label, 0, 1, 0, 1, xopt, (AttachOptions) 0);
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basic_packer.attach (backend_combo, 1, 2, 0, 1, xopt, (AttachOptions) 0);
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lm_button_audio.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_audio_latency));
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lm_button_audio.set_name ("generic button");
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lm_button_audio.set_can_focus(true);
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if (_have_control) {
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build_full_control_notebook ();
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} else {
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build_no_control_notebook ();
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}
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basic_vbox.pack_start (basic_hbox, false, false);
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{
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PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
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basic_vbox.show_all ();
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}
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}
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void
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EngineControl::build_full_control_notebook ()
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{
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boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
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assert (backend);
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using namespace Notebook_Helpers;
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Label* label;
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vector<string> strings;
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AttachOptions xopt = AttachOptions (FILL|EXPAND);
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int row = 1; // row zero == backend combo
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/* start packing it up */
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if (backend->requires_driver_selection()) {
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label = manage (left_aligned_label (_("Driver:")));
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basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
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basic_packer.attach (driver_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
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row++;
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}
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if (backend->use_separate_input_and_output_devices()) {
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label = manage (left_aligned_label (_("Input Device:")));
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basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
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basic_packer.attach (input_device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
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row++;
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label = manage (left_aligned_label (_("Output Device:")));
|
|
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (output_device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
|
|
row++;
|
|
// reset so it isn't used in state comparisons
|
|
device_combo.set_active_text ("");
|
|
} else {
|
|
label = manage (left_aligned_label (_("Device:")));
|
|
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
|
|
row++;
|
|
// reset these so they don't get used in state comparisons
|
|
input_device_combo.set_active_text ("");
|
|
output_device_combo.set_active_text ("");
|
|
}
|
|
|
|
label = manage (left_aligned_label (_("Sample rate:")));
|
|
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
|
|
row++;
|
|
|
|
|
|
label = manage (left_aligned_label (_("Buffer size:")));
|
|
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
|
|
buffer_size_duration_label.set_alignment (0.0); /* left-align */
|
|
basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0);
|
|
|
|
/* button spans 2 rows */
|
|
|
|
basic_packer.attach (control_app_button, 3, 4, row-1, row+1, xopt, xopt);
|
|
row++;
|
|
|
|
input_channels.set_name ("InputChannels");
|
|
input_channels.set_flags (Gtk::CAN_FOCUS);
|
|
input_channels.set_digits (0);
|
|
input_channels.set_wrap (false);
|
|
output_channels.set_editable (true);
|
|
|
|
if (!ARDOUR::Profile->get_mixbus()) {
|
|
label = manage (left_aligned_label (_("Input Channels:")));
|
|
basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (input_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0);
|
|
++row;
|
|
}
|
|
|
|
output_channels.set_name ("OutputChannels");
|
|
output_channels.set_flags (Gtk::CAN_FOCUS);
|
|
output_channels.set_digits (0);
|
|
output_channels.set_wrap (false);
|
|
output_channels.set_editable (true);
|
|
|
|
if (!ARDOUR::Profile->get_mixbus()) {
|
|
label = manage (left_aligned_label (_("Output Channels:")));
|
|
basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (output_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0);
|
|
++row;
|
|
}
|
|
|
|
input_latency.set_name ("InputLatency");
|
|
input_latency.set_flags (Gtk::CAN_FOCUS);
|
|
input_latency.set_digits (0);
|
|
input_latency.set_wrap (false);
|
|
input_latency.set_editable (true);
|
|
|
|
label = manage (left_aligned_label (_("Hardware input latency:")));
|
|
basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (input_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0);
|
|
label = manage (left_aligned_label (_("samples")));
|
|
basic_packer.attach (*label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0);
|
|
++row;
|
|
|
|
output_latency.set_name ("OutputLatency");
|
|
output_latency.set_flags (Gtk::CAN_FOCUS);
|
|
output_latency.set_digits (0);
|
|
output_latency.set_wrap (false);
|
|
output_latency.set_editable (true);
|
|
|
|
label = manage (left_aligned_label (_("Hardware output latency:")));
|
|
basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (output_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0);
|
|
label = manage (left_aligned_label (_("samples")));
|
|
basic_packer.attach (*label, 2, 3, row, row+1, SHRINK, (AttachOptions) 0);
|
|
|
|
/* button spans 2 rows */
|
|
|
|
basic_packer.attach (lm_button_audio, 3, 4, row-1, row+1, xopt, xopt);
|
|
++row;
|
|
|
|
label = manage (left_aligned_label (_("MIDI System:")));
|
|
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (midi_option_combo, 1, 2, row, row + 1, SHRINK, (AttachOptions) 0);
|
|
basic_packer.attach (midi_devices_button, 3, 4, row, row+1, xopt, xopt);
|
|
row++;
|
|
}
|
|
|
|
void
|
|
EngineControl::build_no_control_notebook ()
|
|
{
|
|
boost::shared_ptr<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 (_("%1 is already running. %2 will connect to it and use the existing settings."), backend->name(), PROGRAM_NAME);
|
|
|
|
label = manage (new Label);
|
|
label->set_markup (string_compose ("<span weight=\"bold\" foreground=\"red\">%1</span>", msg));
|
|
basic_packer.attach (*label, 0, 2, row, row + 1, xopt, (AttachOptions) 0);
|
|
row++;
|
|
|
|
if (backend->can_change_sample_rate_when_running()) {
|
|
label = manage (left_aligned_label (_("Sample rate:")));
|
|
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
|
|
row++;
|
|
}
|
|
|
|
if (backend->can_change_buffer_size_when_running()) {
|
|
label = manage (left_aligned_label (_("Buffer size:")));
|
|
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
|
|
basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0);
|
|
buffer_size_duration_label.set_alignment (0.0); /* left-align */
|
|
basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, xopt, (AttachOptions) 0);
|
|
row++;
|
|
}
|
|
|
|
basic_packer.attach (connect_disconnect_button, 0, 2, row, row+1, FILL, AttachOptions (0));
|
|
row++;
|
|
}
|
|
|
|
EngineControl::~EngineControl ()
|
|
{
|
|
ignore_changes = true;
|
|
}
|
|
|
|
void
|
|
EngineControl::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::DataType const type = _measure_midi ? ARDOUR::DataType::MIDI : ARDOUR::DataType::AUDIO;
|
|
ARDOUR::AudioEngine::instance()->get_physical_outputs (type, outputs);
|
|
ARDOUR::AudioEngine::instance()->get_physical_inputs (type, inputs);
|
|
|
|
if (!ARDOUR::AudioEngine::instance()->running()) {
|
|
MessageDialog msg (_("Failed to start or connect to audio-engine.\n\nLatency calibration requires a working audio interface."));
|
|
notebook.set_current_page (0);
|
|
msg.run ();
|
|
return;
|
|
}
|
|
else if (inputs.empty() || outputs.empty()) {
|
|
MessageDialog msg (_("Your selected audio configuration is playback- or capture-only.\n\nLatency calibration requires playback and capture"));
|
|
notebook.set_current_page (0);
|
|
msg.run ();
|
|
return;
|
|
}
|
|
|
|
lm_back_button_signal.disconnect();
|
|
if (_measure_midi) {
|
|
lm_back_button_signal = lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), midi_tab));
|
|
lm_preamble.hide ();
|
|
} else {
|
|
lm_back_button_signal = lm_back_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (notebook, &Gtk::Notebook::set_current_page), 0));
|
|
lm_preamble.show ();
|
|
}
|
|
|
|
set_popdown_strings (lm_output_channel_combo, outputs);
|
|
lm_output_channel_combo.set_active_text (outputs.front());
|
|
lm_output_channel_combo.set_sensitive (true);
|
|
|
|
set_popdown_strings (lm_input_channel_combo, inputs);
|
|
lm_input_channel_combo.set_active_text (inputs.front());
|
|
lm_input_channel_combo.set_sensitive (true);
|
|
|
|
lm_measure_button.set_sensitive (true);
|
|
}
|
|
|
|
void
|
|
EngineControl::setup_midi_tab_for_backend ()
|
|
{
|
|
string backend = backend_combo.get_active_text ();
|
|
|
|
Gtkmm2ext::container_clear (midi_vbox);
|
|
|
|
midi_vbox.set_border_width (12);
|
|
midi_device_table.set_border_width (12);
|
|
|
|
if (backend == "JACK") {
|
|
setup_midi_tab_for_jack ();
|
|
}
|
|
|
|
midi_vbox.pack_start (midi_device_table, true, true);
|
|
midi_vbox.pack_start (midi_back_button, false, false);
|
|
midi_vbox.show_all ();
|
|
}
|
|
|
|
void
|
|
EngineControl::setup_midi_tab_for_jack ()
|
|
{
|
|
}
|
|
|
|
void
|
|
EngineControl::midi_latency_adjustment_changed (Gtk::Adjustment *a, MidiDeviceSettings device, bool for_input) {
|
|
if (for_input) {
|
|
device->input_latency = a->get_value();
|
|
} else {
|
|
device->output_latency = a->get_value();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::midi_device_enabled_toggled (ArdourButton *b, MidiDeviceSettings device) {
|
|
b->set_active (!b->get_active());
|
|
device->enabled = b->get_active();
|
|
refresh_midi_display(device->name);
|
|
}
|
|
|
|
void
|
|
EngineControl::refresh_midi_display (std::string focus)
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
assert (backend);
|
|
|
|
int row = 0;
|
|
AttachOptions xopt = AttachOptions (FILL|EXPAND);
|
|
Gtk::Label* l;
|
|
|
|
Gtkmm2ext::container_clear (midi_device_table);
|
|
|
|
midi_device_table.set_spacings (6);
|
|
|
|
l = manage (new Label);
|
|
l->set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("MIDI Devices")));
|
|
midi_device_table.attach (*l, 0, 4, row, row + 1, xopt, AttachOptions (0));
|
|
l->set_alignment (0.5, 0.5);
|
|
row++;
|
|
l->show ();
|
|
|
|
l = manage (new Label (_("Device"))); l->show (); l->set_alignment (0.5, 0.5);
|
|
midi_device_table.attach (*l, 0, 1, row, row + 2, xopt, AttachOptions (0));
|
|
l = manage (new Label (_("Hardware Latencies"))); l->show (); l->set_alignment (0.5, 0.5);
|
|
midi_device_table.attach (*l, 1, 3, row, row + 1, xopt, AttachOptions (0));
|
|
row++;
|
|
l = manage (new Label (_("Input"))); l->show (); l->set_alignment (0.5, 0.5);
|
|
midi_device_table.attach (*l, 1, 2, row, row + 1, xopt, AttachOptions (0));
|
|
l = manage (new Label (_("Output"))); l->show (); l->set_alignment (0.5, 0.5);
|
|
midi_device_table.attach (*l, 2, 3, row, row + 1, xopt, AttachOptions (0));
|
|
row++;
|
|
|
|
for (vector<MidiDeviceSettings>::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) {
|
|
ArdourButton *m;
|
|
Gtk::Button* b;
|
|
Gtk::Adjustment *a;
|
|
Gtk::SpinButton *s;
|
|
bool enabled = (*p)->enabled;
|
|
|
|
m = manage (new ArdourButton ((*p)->name, ArdourButton::led_default_elements));
|
|
m->set_name ("midi device");
|
|
m->set_can_focus (Gtk::CAN_FOCUS);
|
|
m->add_events (Gdk::BUTTON_RELEASE_MASK);
|
|
m->set_active (enabled);
|
|
m->signal_clicked.connect (sigc::bind (sigc::mem_fun (*this, &EngineControl::midi_device_enabled_toggled), m, *p));
|
|
midi_device_table.attach (*m, 0, 1, row, row + 1, xopt, AttachOptions (0)); m->show ();
|
|
if ((*p)->name == focus) {
|
|
m->grab_focus();
|
|
}
|
|
|
|
a = manage (new Gtk::Adjustment (0, 0, 99999, 1));
|
|
s = manage (new Gtk::SpinButton (*a));
|
|
a->set_value ((*p)->input_latency);
|
|
s->signal_value_changed().connect (sigc::bind (sigc::mem_fun (*this, &EngineControl::midi_latency_adjustment_changed), a, *p, true));
|
|
s->set_sensitive (_can_set_midi_latencies && enabled);
|
|
midi_device_table.attach (*s, 1, 2, row, row + 1, xopt, AttachOptions (0)); s->show ();
|
|
|
|
a = manage (new Gtk::Adjustment (0, 0, 99999, 1));
|
|
s = manage (new Gtk::SpinButton (*a));
|
|
a->set_value ((*p)->output_latency);
|
|
s->signal_value_changed().connect (sigc::bind (sigc::mem_fun (*this, &EngineControl::midi_latency_adjustment_changed), a, *p, false));
|
|
s->set_sensitive (_can_set_midi_latencies && enabled);
|
|
midi_device_table.attach (*s, 2, 3, row, row + 1, xopt, AttachOptions (0)); s->show ();
|
|
|
|
b = manage (new Button (_("Calibrate")));
|
|
b->signal_clicked().connect (sigc::bind (sigc::mem_fun (*this, &EngineControl::calibrate_midi_latency), *p));
|
|
b->set_sensitive (_can_set_midi_latencies && enabled);
|
|
midi_device_table.attach (*b, 3, 4, row, row + 1, xopt, AttachOptions (0)); b->show ();
|
|
|
|
row++;
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::update_sensitivity ()
|
|
{
|
|
}
|
|
|
|
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? setting the backend failed... how ? */
|
|
/* A: stale config contains a backend that does not exist in current build */
|
|
return;
|
|
}
|
|
|
|
_have_control = ARDOUR::AudioEngine::instance()->setup_required ();
|
|
|
|
build_notebook ();
|
|
setup_midi_tab_for_backend ();
|
|
_midi_devices.clear();
|
|
|
|
if (backend->requires_driver_selection()) {
|
|
vector<string> drivers = backend->enumerate_drivers();
|
|
driver_combo.set_sensitive (true);
|
|
|
|
if (!drivers.empty()) {
|
|
{
|
|
string current_driver;
|
|
current_driver = backend->driver_name ();
|
|
|
|
// driver might not have been set yet
|
|
if (current_driver == "") {
|
|
current_driver = driver_combo.get_active_text ();
|
|
if (current_driver == "")
|
|
// driver has never been set, make sure it's not blank
|
|
current_driver = drivers.front ();
|
|
}
|
|
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
set_popdown_strings (driver_combo, drivers);
|
|
driver_combo.set_active_text (current_driver);
|
|
}
|
|
|
|
driver_changed ();
|
|
}
|
|
|
|
} else {
|
|
driver_combo.set_sensitive (false);
|
|
/* this will change the device text which will cause a call to
|
|
* device changed which will set up parameters
|
|
*/
|
|
list_devices ();
|
|
}
|
|
|
|
vector<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);
|
|
}
|
|
}
|
|
|
|
connect_disconnect_button.hide();
|
|
|
|
midi_option_changed();
|
|
|
|
started_at_least_once = false;
|
|
|
|
if (!ignore_changes) {
|
|
maybe_display_saved_state ();
|
|
}
|
|
}
|
|
|
|
bool
|
|
EngineControl::print_channel_count (Gtk::SpinButton* sb)
|
|
{
|
|
if (ARDOUR::Profile->get_mixbus()) {
|
|
return true;
|
|
}
|
|
|
|
uint32_t cnt = (uint32_t) sb->get_value();
|
|
if (cnt == 0) {
|
|
sb->set_text (_("all available channels"));
|
|
} else {
|
|
char buf[32];
|
|
snprintf (buf, sizeof (buf), "%d", cnt);
|
|
sb->set_text (buf);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// @return true if there are devices available
|
|
bool
|
|
EngineControl::set_device_popdown_strings ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_devices ();
|
|
|
|
/* NOTE: Ardour currently does not display the "available" field of the
|
|
* returned devices.
|
|
*
|
|
* Doing so would require a different GUI widget than the combo
|
|
* box/popdown that we currently use, since it has no way to list
|
|
* items that are not selectable. Something more like a popup menu,
|
|
* which could have unselectable items, would be appropriate.
|
|
*/
|
|
|
|
vector<string> available_devices;
|
|
|
|
for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) {
|
|
available_devices.push_back (i->name);
|
|
}
|
|
|
|
|
|
if (!available_devices.empty()) {
|
|
update_sensitivity ();
|
|
|
|
{
|
|
string current_device, found_device;
|
|
current_device = device_combo.get_active_text ();
|
|
if (current_device == "") {
|
|
current_device = backend->device_name ();
|
|
}
|
|
|
|
// Make sure that the active text is still relevant for this
|
|
// device (it might only be relevant to the previous device!!)
|
|
for (vector<string>::const_iterator i = available_devices.begin(); i != available_devices.end(); ++i) {
|
|
if (*i == current_device)
|
|
found_device = current_device;
|
|
}
|
|
if (found_device == "")
|
|
// device has never been set (or was not relevant
|
|
// for this backend) Let's make sure it's not blank
|
|
current_device = available_devices.front ();
|
|
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
set_popdown_strings (device_combo, available_devices);
|
|
|
|
device_combo.set_active_text (current_device);
|
|
}
|
|
|
|
device_changed ();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// @return true if there are input devices available
|
|
bool
|
|
EngineControl::set_input_device_popdown_strings ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_input_devices ();
|
|
|
|
vector<string> available_devices;
|
|
|
|
for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) {
|
|
available_devices.push_back (i->name);
|
|
}
|
|
|
|
if (!available_devices.empty()) {
|
|
update_sensitivity ();
|
|
|
|
{
|
|
string current_device, found_device;
|
|
current_device = input_device_combo.get_active_text ();
|
|
if (current_device == "") {
|
|
current_device = backend->input_device_name ();
|
|
}
|
|
|
|
// Make sure that the active text is still relevant for this
|
|
// device (it might only be relevant to the previous device!!)
|
|
for (vector<string>::const_iterator i = available_devices.begin(); i != available_devices.end(); ++i) {
|
|
if (*i == current_device)
|
|
found_device = current_device;
|
|
}
|
|
if (found_device == "")
|
|
// device has never been set (or was not relevant
|
|
// for this backend) Let's make sure it's not blank
|
|
current_device = available_devices.front ();
|
|
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
set_popdown_strings (input_device_combo, available_devices);
|
|
|
|
input_device_combo.set_active_text (current_device);
|
|
}
|
|
|
|
input_device_changed ();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// @return true if there are output devices available
|
|
bool
|
|
EngineControl::set_output_device_popdown_strings ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_output_devices ();
|
|
|
|
vector<string> available_devices;
|
|
|
|
for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) {
|
|
available_devices.push_back (i->name);
|
|
}
|
|
|
|
if (!available_devices.empty()) {
|
|
update_sensitivity ();
|
|
|
|
{
|
|
string current_device, found_device;
|
|
current_device = output_device_combo.get_active_text ();
|
|
if (current_device == "") {
|
|
current_device = backend->output_device_name ();
|
|
}
|
|
|
|
// Make sure that the active text is still relevant for this
|
|
// device (it might only be relevant to the previous device!!)
|
|
for (vector<string>::const_iterator i = available_devices.begin(); i != available_devices.end(); ++i) {
|
|
if (*i == current_device)
|
|
found_device = current_device;
|
|
}
|
|
if (found_device == "")
|
|
// device has never been set (or was not relevant
|
|
// for this backend) Let's make sure it's not blank
|
|
current_device = available_devices.front ();
|
|
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
set_popdown_strings (output_device_combo, available_devices);
|
|
|
|
output_device_combo.set_active_text (current_device);
|
|
}
|
|
|
|
output_device_changed ();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
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 */
|
|
|
|
bool devices_available = false;
|
|
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
bool input_devices_available = set_input_device_popdown_strings ();
|
|
bool output_devices_available = set_output_device_popdown_strings ();
|
|
devices_available = input_devices_available || output_devices_available;
|
|
} else {
|
|
devices_available = set_device_popdown_strings ();
|
|
}
|
|
|
|
if (devices_available) {
|
|
input_latency.set_sensitive (true);
|
|
output_latency.set_sensitive (true);
|
|
input_channels.set_sensitive (true);
|
|
output_channels.set_sensitive (true);
|
|
|
|
ok_button->set_sensitive (true);
|
|
apply_button->set_sensitive (true);
|
|
|
|
} else {
|
|
device_combo.clear();
|
|
input_device_combo.clear();
|
|
output_device_combo.clear();
|
|
sample_rate_combo.set_sensitive (false);
|
|
buffer_size_combo.set_sensitive (false);
|
|
input_latency.set_sensitive (false);
|
|
output_latency.set_sensitive (false);
|
|
input_channels.set_sensitive (false);
|
|
output_channels.set_sensitive (false);
|
|
if (_have_control) {
|
|
ok_button->set_sensitive (false);
|
|
apply_button->set_sensitive (false);
|
|
} else {
|
|
ok_button->set_sensitive (true);
|
|
apply_button->set_sensitive (true);
|
|
if (backend->can_change_sample_rate_when_running() && sample_rate_combo.get_children().size() > 0) {
|
|
sample_rate_combo.set_sensitive (true);
|
|
}
|
|
if (backend->can_change_buffer_size_when_running() && buffer_size_combo.get_children().size() > 0) {
|
|
buffer_size_combo.set_sensitive (true);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::driver_changed ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
assert (backend);
|
|
|
|
backend->set_driver (driver_combo.get_active_text());
|
|
list_devices ();
|
|
|
|
if (!ignore_changes) {
|
|
maybe_display_saved_state ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::set_samplerate_popdown_strings (const std::string& device_name)
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
string desired;
|
|
vector<float> sr;
|
|
vector<string> s;
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::set_buffersize_popdown_strings (const std::string& device_name)
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
vector<uint32_t> bs;
|
|
vector<string> s;
|
|
|
|
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);
|
|
|
|
uint32_t period = backend->buffer_size();
|
|
if (0 == period) {
|
|
period = backend->default_buffer_size(device_name);
|
|
}
|
|
set_active_text_if_present (buffer_size_combo, bufsize_as_string (period));
|
|
show_buffer_duration ();
|
|
} else {
|
|
buffer_size_combo.set_sensitive (false);
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::device_changed ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
assert (backend);
|
|
|
|
string device_name_in;
|
|
string device_name_out; // only used if backend support separate I/O devices
|
|
|
|
if (backend->use_separate_input_and_output_devices()) {
|
|
device_name_in = get_input_device_name ();
|
|
device_name_out = get_output_device_name ();
|
|
} else {
|
|
device_name_in = get_device_name ();
|
|
}
|
|
|
|
/* we set the backend-device to query various device related intormation.
|
|
* This has the side effect that backend->device_name() will match
|
|
* the device_name and 'change_device' will never be true.
|
|
* so work around this by setting...
|
|
*/
|
|
if (backend->use_separate_input_and_output_devices()) {
|
|
if (device_name_in != backend->input_device_name() || device_name_out != backend->output_device_name ()) {
|
|
queue_device_changed = true;
|
|
}
|
|
} else {
|
|
if (device_name_in != backend->device_name()) {
|
|
queue_device_changed = true;
|
|
}
|
|
}
|
|
|
|
//the device name must be set FIRST so ASIO can populate buffersizes and the control panel button
|
|
if (backend->use_separate_input_and_output_devices()) {
|
|
backend->set_input_device_name (device_name_in);
|
|
backend->set_output_device_name (device_name_out);
|
|
} else {
|
|
backend->set_device_name(device_name_in);
|
|
}
|
|
|
|
{
|
|
/* don't allow programmatic change to combos to cause a
|
|
recursive call to this method.
|
|
*/
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
|
|
/* backends that support separate devices, need to ignore
|
|
* the device-name - and use the devies set above
|
|
*/
|
|
set_samplerate_popdown_strings (device_name_in);
|
|
set_buffersize_popdown_strings (device_name_in);
|
|
/* XXX theoretically need to set min + max channel counts here
|
|
*/
|
|
|
|
manage_control_app_sensitivity ();
|
|
}
|
|
|
|
/* pick up any saved state for this device */
|
|
|
|
if (!ignore_changes) {
|
|
maybe_display_saved_state ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::input_device_changed ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
assert (backend);
|
|
string input_device_name = input_device_combo.get_active_text ();
|
|
|
|
if (!ignore_changes && input_device_name != backend->input_device_name()) {
|
|
queue_device_changed = true;
|
|
}
|
|
|
|
backend->set_input_device_name(input_device_name);
|
|
|
|
{
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
|
|
set_samplerate_popdown_strings (input_device_name);
|
|
set_buffersize_popdown_strings (input_device_name);
|
|
/* XXX theoretically need to set min + max channel counts here
|
|
*/
|
|
|
|
manage_control_app_sensitivity ();
|
|
}
|
|
|
|
/* pick up any saved state for this device */
|
|
|
|
if (!ignore_changes) {
|
|
maybe_display_saved_state ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::output_device_changed ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
assert (backend);
|
|
string output_device_name = output_device_combo.get_active_text ();
|
|
|
|
if (!ignore_changes && output_device_name != backend->output_device_name()) {
|
|
queue_device_changed = true;
|
|
}
|
|
|
|
backend->set_output_device_name(output_device_name);
|
|
|
|
{
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
|
|
set_samplerate_popdown_strings (output_device_name);
|
|
set_buffersize_popdown_strings (output_device_name);
|
|
/* XXX theoretically need to set min + max channel counts here
|
|
*/
|
|
|
|
manage_control_app_sensitivity ();
|
|
}
|
|
|
|
/* pick up any saved state for this device */
|
|
|
|
if (!ignore_changes) {
|
|
maybe_display_saved_state ();
|
|
}
|
|
}
|
|
|
|
string
|
|
EngineControl::bufsize_as_string (uint32_t sz)
|
|
{
|
|
/* Translators: "samples" is always plural here, so no
|
|
need for plural+singular forms.
|
|
*/
|
|
char buf[64];
|
|
snprintf (buf, sizeof (buf), "%u %s", sz, P_("sample", "samples", sz));
|
|
return buf;
|
|
}
|
|
|
|
void
|
|
EngineControl::sample_rate_changed ()
|
|
{
|
|
/* reset the strings for buffer size to show the correct msec value
|
|
(reflecting the new sample rate).
|
|
*/
|
|
|
|
show_buffer_duration ();
|
|
|
|
}
|
|
|
|
void
|
|
EngineControl::buffer_size_changed ()
|
|
{
|
|
show_buffer_duration ();
|
|
}
|
|
|
|
void
|
|
EngineControl::show_buffer_duration ()
|
|
{
|
|
|
|
/* buffer sizes - convert from just samples to samples + msecs for
|
|
* the displayed string
|
|
*/
|
|
|
|
string bs_text = buffer_size_combo.get_active_text ();
|
|
uint32_t samples = atoi (bs_text); /* will ignore trailing text */
|
|
uint32_t rate = get_rate();
|
|
|
|
/* Developers: note the hard-coding of a double buffered model
|
|
in the (2 * samples) computation of latency. we always start
|
|
the audiobackend in this configuration.
|
|
*/
|
|
/* note to jack1 developers: ardour also always starts the engine
|
|
* in async mode (no jack2 --sync option) which adds an extra cycle
|
|
* of latency with jack2 (and *3 would be correct)
|
|
* The value can also be wrong if jackd is started externally..
|
|
*
|
|
* At the time of writing the ALSA backend always uses double-buffering *2,
|
|
* The Dummy backend *1, and who knows what ASIO really does :)
|
|
*
|
|
* So just display the period size, that's also what
|
|
* ARDOUR_UI::update_sample_rate() does for the status bar.
|
|
* (the statusbar calls AudioEngine::instance()->usecs_per_cycle()
|
|
* but still, that's the buffer period, not [round-trip] latency)
|
|
*/
|
|
char buf[32];
|
|
snprintf (buf, sizeof (buf), _("(%.1f ms)"), (samples / (rate/1000.0f)));
|
|
buffer_size_duration_label.set_text (buf);
|
|
}
|
|
|
|
void
|
|
EngineControl::midi_option_changed ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
assert (backend);
|
|
|
|
backend->set_midi_option (get_midi_option());
|
|
|
|
vector<ARDOUR::AudioBackend::DeviceStatus> midi_devices = backend->enumerate_midi_devices();
|
|
|
|
//_midi_devices.clear(); // TODO merge with state-saved settings..
|
|
_can_set_midi_latencies = backend->can_set_systemic_midi_latencies();
|
|
std::vector<MidiDeviceSettings> new_devices;
|
|
|
|
for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = midi_devices.begin(); i != midi_devices.end(); ++i) {
|
|
MidiDeviceSettings mds = find_midi_device (i->name);
|
|
if (i->available && !mds) {
|
|
uint32_t input_latency = 0;
|
|
uint32_t output_latency = 0;
|
|
if (_can_set_midi_latencies) {
|
|
input_latency = backend->systemic_midi_input_latency (i->name);
|
|
output_latency = backend->systemic_midi_output_latency (i->name);
|
|
}
|
|
bool enabled = backend->midi_device_enabled (i->name);
|
|
MidiDeviceSettings ptr (new MidiDeviceSetting (i->name, enabled, input_latency, output_latency));
|
|
new_devices.push_back (ptr);
|
|
} else if (i->available) {
|
|
new_devices.push_back (mds);
|
|
}
|
|
}
|
|
_midi_devices = new_devices;
|
|
|
|
if (_midi_devices.empty()) {
|
|
midi_devices_button.set_sensitive (false);
|
|
} else {
|
|
midi_devices_button.set_sensitive (true);
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::parameter_changed ()
|
|
{
|
|
}
|
|
|
|
EngineControl::State
|
|
EngineControl::get_matching_state (
|
|
const string& backend,
|
|
const string& driver,
|
|
const string& device)
|
|
{
|
|
for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
|
|
if ((*i)->backend == backend &&
|
|
(!_have_control || ((*i)->driver == driver && (*i)->device == device)))
|
|
{
|
|
return (*i);
|
|
}
|
|
}
|
|
return State();
|
|
}
|
|
|
|
EngineControl::State
|
|
EngineControl::get_matching_state (
|
|
const string& backend,
|
|
const string& driver,
|
|
const string& input_device,
|
|
const string& output_device)
|
|
{
|
|
for (StateList::iterator i = states.begin(); i != states.end(); ++i) {
|
|
if ((*i)->backend == backend &&
|
|
(!_have_control || ((*i)->driver == driver && ((*i)->input_device == input_device) && (*i)->output_device == output_device)))
|
|
{
|
|
return (*i);
|
|
}
|
|
}
|
|
return State();
|
|
}
|
|
|
|
EngineControl::State
|
|
EngineControl::get_saved_state_for_currently_displayed_backend_and_device ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
|
|
if (backend) {
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
return get_matching_state (backend_combo.get_active_text(),
|
|
(backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()),
|
|
input_device_combo.get_active_text(),
|
|
output_device_combo.get_active_text());
|
|
} else {
|
|
return get_matching_state (backend_combo.get_active_text(),
|
|
(backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()),
|
|
device_combo.get_active_text());
|
|
}
|
|
}
|
|
|
|
return get_matching_state (backend_combo.get_active_text(),
|
|
string(),
|
|
device_combo.get_active_text());
|
|
}
|
|
|
|
bool EngineControl::equivalent_states (const EngineControl::State& state1,
|
|
const EngineControl::State& state2)
|
|
{
|
|
if (state1->backend == state2->backend &&
|
|
state1->driver == state2->driver &&
|
|
state1->device == state2->device &&
|
|
state1->input_device == state2->input_device &&
|
|
state1->output_device == state2->output_device) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
EngineControl::State
|
|
EngineControl::save_state ()
|
|
{
|
|
State state;
|
|
|
|
if (!_have_control) {
|
|
state = get_matching_state (backend_combo.get_active_text(), string(), string());
|
|
if (state) {
|
|
return state;
|
|
}
|
|
state.reset(new StateStruct);
|
|
state->backend = get_backend ();
|
|
} else {
|
|
state.reset(new StateStruct);
|
|
store_state (state);
|
|
}
|
|
|
|
for (StateList::iterator i = states.begin(); i != states.end();) {
|
|
if (equivalent_states (*i, state)) {
|
|
i = states.erase(i);
|
|
} else {
|
|
++i;
|
|
}
|
|
}
|
|
|
|
states.push_back (state);
|
|
|
|
return state;
|
|
}
|
|
|
|
void
|
|
EngineControl::store_state (State state)
|
|
{
|
|
state->backend = get_backend ();
|
|
state->driver = get_driver ();
|
|
state->device = get_device_name ();
|
|
state->input_device = get_input_device_name ();
|
|
state->output_device = get_output_device_name ();
|
|
state->sample_rate = get_rate ();
|
|
state->buffer_size = get_buffer_size ();
|
|
state->input_latency = get_input_latency ();
|
|
state->output_latency = get_output_latency ();
|
|
state->input_channels = get_input_channels ();
|
|
state->output_channels = get_output_channels ();
|
|
state->midi_option = get_midi_option ();
|
|
state->midi_devices = _midi_devices;
|
|
}
|
|
|
|
void
|
|
EngineControl::maybe_display_saved_state ()
|
|
{
|
|
if (!_have_control) {
|
|
return;
|
|
}
|
|
|
|
State state = get_saved_state_for_currently_displayed_backend_and_device ();
|
|
|
|
if (state) {
|
|
PBD::Unwinder<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));
|
|
}
|
|
set_active_text_if_present (buffer_size_combo, bufsize_as_string (state->buffer_size));
|
|
/* call this explicitly because we're ignoring changes to
|
|
the controls at this point.
|
|
*/
|
|
show_buffer_duration ();
|
|
input_latency.set_value (state->input_latency);
|
|
output_latency.set_value (state->output_latency);
|
|
|
|
if (!state->midi_option.empty()) {
|
|
midi_option_combo.set_active_text (state->midi_option);
|
|
_midi_devices = state->midi_devices;
|
|
}
|
|
}
|
|
}
|
|
|
|
XMLNode&
|
|
EngineControl::get_state ()
|
|
{
|
|
XMLNode* root = new XMLNode ("AudioMIDISetup");
|
|
std::string path;
|
|
|
|
if (!states.empty()) {
|
|
XMLNode* state_nodes = new XMLNode ("EngineStates");
|
|
|
|
for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) {
|
|
|
|
XMLNode* node = new XMLNode ("State");
|
|
|
|
node->add_property ("backend", (*i)->backend);
|
|
node->add_property ("driver", (*i)->driver);
|
|
node->add_property ("device", (*i)->device);
|
|
node->add_property ("input-device", (*i)->input_device);
|
|
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 ("input-latency", (*i)->input_latency);
|
|
node->add_property ("output-latency", (*i)->output_latency);
|
|
node->add_property ("input-channels", (*i)->input_channels);
|
|
node->add_property ("output-channels", (*i)->output_channels);
|
|
node->add_property ("active", (*i)->active ? "yes" : "no");
|
|
node->add_property ("midi-option", (*i)->midi_option);
|
|
|
|
XMLNode* midi_devices = new XMLNode ("MIDIDevices");
|
|
for (std::vector<MidiDeviceSettings>::const_iterator p = (*i)->midi_devices.begin(); p != (*i)->midi_devices.end(); ++p) {
|
|
XMLNode* midi_device_stuff = new XMLNode ("MIDIDevice");
|
|
midi_device_stuff->add_property (X_("name"), (*p)->name);
|
|
midi_device_stuff->add_property (X_("enabled"), (*p)->enabled);
|
|
midi_device_stuff->add_property (X_("input-latency"), (*p)->input_latency);
|
|
midi_device_stuff->add_property (X_("output-latency"), (*p)->output_latency);
|
|
midi_devices->add_child_nocopy (*midi_device_stuff);
|
|
}
|
|
node->add_child_nocopy (*midi_devices);
|
|
|
|
state_nodes->add_child_nocopy (*node);
|
|
}
|
|
|
|
root->add_child_nocopy (*state_nodes);
|
|
}
|
|
|
|
return *root;
|
|
}
|
|
|
|
void
|
|
EngineControl::set_state (const XMLNode& root)
|
|
{
|
|
XMLNodeList clist, cclist;
|
|
XMLNodeConstIterator citer, cciter;
|
|
XMLNode* child;
|
|
XMLNode* grandchild;
|
|
XMLProperty* prop = NULL;
|
|
|
|
fprintf (stderr, "EngineControl::set_state\n");
|
|
|
|
if (root.name() != "AudioMIDISetup") {
|
|
return;
|
|
}
|
|
|
|
clist = root.children();
|
|
|
|
states.clear ();
|
|
|
|
for (citer = clist.begin(); citer != clist.end(); ++citer) {
|
|
|
|
child = *citer;
|
|
|
|
if (child->name() != "EngineStates") {
|
|
continue;
|
|
}
|
|
|
|
cclist = child->children();
|
|
|
|
for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) {
|
|
State state (new StateStruct);
|
|
|
|
grandchild = *cciter;
|
|
|
|
if (grandchild->name() != "State") {
|
|
continue;
|
|
}
|
|
|
|
if ((prop = grandchild->property ("backend")) == 0) {
|
|
continue;
|
|
}
|
|
state->backend = prop->value ();
|
|
|
|
if ((prop = grandchild->property ("driver")) == 0) {
|
|
continue;
|
|
}
|
|
state->driver = prop->value ();
|
|
|
|
if ((prop = grandchild->property ("device")) == 0) {
|
|
continue;
|
|
}
|
|
state->device = prop->value ();
|
|
|
|
if ((prop = grandchild->property ("input-device")) == 0) {
|
|
continue;
|
|
}
|
|
state->input_device = prop->value ();
|
|
|
|
if ((prop = grandchild->property ("output-device")) == 0) {
|
|
continue;
|
|
}
|
|
state->output_device = prop->value ();
|
|
|
|
if ((prop = grandchild->property ("sample-rate")) == 0) {
|
|
continue;
|
|
}
|
|
state->sample_rate = atof (prop->value ());
|
|
|
|
if ((prop = grandchild->property ("buffer-size")) == 0) {
|
|
continue;
|
|
}
|
|
state->buffer_size = atoi (prop->value ());
|
|
|
|
if ((prop = grandchild->property ("input-latency")) == 0) {
|
|
continue;
|
|
}
|
|
state->input_latency = atoi (prop->value ());
|
|
|
|
if ((prop = grandchild->property ("output-latency")) == 0) {
|
|
continue;
|
|
}
|
|
state->output_latency = atoi (prop->value ());
|
|
|
|
if ((prop = grandchild->property ("input-channels")) == 0) {
|
|
continue;
|
|
}
|
|
state->input_channels = atoi (prop->value ());
|
|
|
|
if ((prop = grandchild->property ("output-channels")) == 0) {
|
|
continue;
|
|
}
|
|
state->output_channels = atoi (prop->value ());
|
|
|
|
if ((prop = grandchild->property ("active")) == 0) {
|
|
continue;
|
|
}
|
|
state->active = string_is_affirmative (prop->value ());
|
|
|
|
if ((prop = grandchild->property ("midi-option")) == 0) {
|
|
continue;
|
|
}
|
|
state->midi_option = prop->value ();
|
|
|
|
state->midi_devices.clear();
|
|
XMLNode* midinode;
|
|
if ((midinode = ARDOUR::find_named_node (*grandchild, "MIDIDevices")) != 0) {
|
|
const XMLNodeList mnc = midinode->children();
|
|
for (XMLNodeList::const_iterator n = mnc.begin(); n != mnc.end(); ++n) {
|
|
if ((*n)->property (X_("name")) == 0
|
|
|| (*n)->property (X_("enabled")) == 0
|
|
|| (*n)->property (X_("input-latency")) == 0
|
|
|| (*n)->property (X_("output-latency")) == 0
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
MidiDeviceSettings ptr (new MidiDeviceSetting(
|
|
(*n)->property (X_("name"))->value (),
|
|
string_is_affirmative ((*n)->property (X_("enabled"))->value ()),
|
|
atoi ((*n)->property (X_("input-latency"))->value ()),
|
|
atoi ((*n)->property (X_("output-latency"))->value ())
|
|
));
|
|
state->midi_devices.push_back (ptr);
|
|
}
|
|
}
|
|
|
|
#if 1
|
|
/* remove accumulated duplicates (due to bug in ealier version)
|
|
* this can be removed again before release
|
|
*/
|
|
for (StateList::iterator i = states.begin(); i != states.end();) {
|
|
if ((*i)->backend == state->backend &&
|
|
(*i)->driver == state->driver &&
|
|
(*i)->device == state->device) {
|
|
i = states.erase(i);
|
|
} else {
|
|
++i;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
states.push_back (state);
|
|
}
|
|
}
|
|
|
|
/* now see if there was an active state and switch the setup to it */
|
|
|
|
// purge states of backend that are not available in this built
|
|
vector<const ARDOUR::AudioBackendInfo*> backends = ARDOUR::AudioEngine::instance()->available_backends();
|
|
vector<std::string> backend_names;
|
|
|
|
for (vector<const ARDOUR::AudioBackendInfo*>::const_iterator i = backends.begin(); i != backends.end(); ++i) {
|
|
backend_names.push_back((*i)->name);
|
|
}
|
|
for (StateList::iterator i = states.begin(); i != states.end();) {
|
|
if (std::find(backend_names.begin(), backend_names.end(), (*i)->backend) == backend_names.end()) {
|
|
i = states.erase(i);
|
|
} else {
|
|
++i;
|
|
}
|
|
}
|
|
|
|
for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) {
|
|
|
|
if ((*i)->active) {
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
backend_combo.set_active_text ((*i)->backend);
|
|
driver_combo.set_active_text ((*i)->driver);
|
|
device_combo.set_active_text ((*i)->device);
|
|
fprintf (stderr, "setting input device to: %s ", (*i)->input_device.c_str());
|
|
input_device_combo.set_active_text ((*i)->input_device);
|
|
fprintf (stderr, "setting output device to: %s ", (*i)->output_device.c_str());
|
|
output_device_combo.set_active_text ((*i)->output_device);
|
|
sample_rate_combo.set_active_text (rate_as_string ((*i)->sample_rate));
|
|
set_active_text_if_present (buffer_size_combo, 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);
|
|
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 (backend->use_separate_input_and_output_devices()) {
|
|
if (get_input_device_name() != backend->input_device_name()) {
|
|
change_device = true;
|
|
}
|
|
if (get_output_device_name() != backend->output_device_name()) {
|
|
change_device = true;
|
|
}
|
|
} else {
|
|
if (get_device_name() != backend->device_name()) {
|
|
change_device = true;
|
|
}
|
|
}
|
|
|
|
if (queue_device_changed) {
|
|
change_device = true;
|
|
}
|
|
|
|
if (get_rate() != backend->sample_rate()) {
|
|
change_rate = true;
|
|
}
|
|
|
|
if (get_buffer_size() != backend->buffer_size()) {
|
|
change_bufsize = true;
|
|
}
|
|
|
|
if (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;
|
|
}
|
|
}
|
|
|
|
queue_device_changed = false;
|
|
|
|
if (!_have_control) {
|
|
|
|
/* We do not have control over the backend, so the best we can
|
|
* do is try to change the sample rate and/or bufsize and get
|
|
* out of here.
|
|
*/
|
|
|
|
if (change_rate && !backend->can_change_sample_rate_when_running()) {
|
|
return 1;
|
|
}
|
|
|
|
if (change_bufsize && !backend->can_change_buffer_size_when_running()) {
|
|
return 1;
|
|
}
|
|
|
|
if (change_rate) {
|
|
backend->set_sample_rate (get_rate());
|
|
}
|
|
|
|
if (change_bufsize) {
|
|
backend->set_buffer_size (get_buffer_size());
|
|
}
|
|
|
|
if (start) {
|
|
if (ARDOUR::AudioEngine::instance()->start ()) {
|
|
error << string_compose (_("Could not start backend engine %1"), backend->name()) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
post_push ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* determine if we need to stop the backend before changing parameters */
|
|
|
|
if (change_driver || change_device || change_channels || change_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 (backend->use_separate_input_and_output_devices()) {
|
|
if (change_device && backend->set_input_device_name (get_input_device_name())) {
|
|
error << string_compose (_("Cannot set input device name to %1"), get_input_device_name()) << endmsg;
|
|
return -1;
|
|
}
|
|
if (change_device && backend->set_output_device_name (get_output_device_name())) {
|
|
error << string_compose (_("Cannot set output device name to %1"), get_output_device_name()) << endmsg;
|
|
return -1;
|
|
}
|
|
} else {
|
|
if (change_device && backend->set_device_name (get_device_name())) {
|
|
error << string_compose (_("Cannot set device name to %1"), get_device_name()) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
if (change_rate && backend->set_sample_rate (get_rate())) {
|
|
error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg;
|
|
return -1;
|
|
}
|
|
if (change_bufsize && backend->set_buffer_size (get_buffer_size())) {
|
|
error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
if (change_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 (1 /* TODO */) {
|
|
for (vector<MidiDeviceSettings>::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) {
|
|
if (_measure_midi) {
|
|
if (*p == _measure_midi) {
|
|
backend->set_midi_device_enabled ((*p)->name, true);
|
|
} else {
|
|
backend->set_midi_device_enabled ((*p)->name, false);
|
|
}
|
|
continue;
|
|
}
|
|
backend->set_midi_device_enabled ((*p)->name, (*p)->enabled);
|
|
if (backend->can_set_systemic_midi_latencies()) {
|
|
backend->set_systemic_midi_input_latency ((*p)->name, (*p)->input_latency);
|
|
backend->set_systemic_midi_output_latency ((*p)->name, (*p)->output_latency);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (start || (was_running && restart_required)) {
|
|
if (ARDOUR_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
|
|
*/
|
|
|
|
State state = get_saved_state_for_currently_displayed_backend_and_device ();
|
|
|
|
if (!state) {
|
|
state = save_state ();
|
|
assert (state);
|
|
} else {
|
|
store_state(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;
|
|
|
|
if (_have_control) { // XXX
|
|
manage_control_app_sensitivity ();
|
|
}
|
|
|
|
/* schedule a redisplay of MIDI ports */
|
|
//Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &EngineControl::refresh_midi_display), false), 1000);
|
|
}
|
|
|
|
|
|
float
|
|
EngineControl::get_rate () const
|
|
{
|
|
float r = atof (sample_rate_combo.get_active_text ());
|
|
/* the string may have been translated with an abbreviation for
|
|
* thousands, so use a crude heuristic to fix this.
|
|
*/
|
|
if (r < 1000.0) {
|
|
r *= 1000.0;
|
|
}
|
|
return r;
|
|
}
|
|
|
|
|
|
uint32_t
|
|
EngineControl::get_buffer_size () const
|
|
{
|
|
string txt = buffer_size_combo.get_active_text ();
|
|
uint32_t samples;
|
|
|
|
if (sscanf (txt.c_str(), "%d", &samples) != 1) {
|
|
fprintf(stderr, "Find a trout and repeatedly slap the nearest C++ who throws exceptions without catching them.\n");
|
|
fprintf(stderr, "Ardour will likely crash now, giving you time to get the trout.\n");
|
|
throw exception ();
|
|
}
|
|
|
|
return samples;
|
|
}
|
|
|
|
string
|
|
EngineControl::get_midi_option () const
|
|
{
|
|
return midi_option_combo.get_active_text();
|
|
}
|
|
|
|
uint32_t
|
|
EngineControl::get_input_channels() const
|
|
{
|
|
if (ARDOUR::Profile->get_mixbus()) {
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
if (!backend) return 0;
|
|
return backend->input_channels();
|
|
}
|
|
return (uint32_t) input_channels_adjustment.get_value();
|
|
}
|
|
|
|
uint32_t
|
|
EngineControl::get_output_channels() const
|
|
{
|
|
if (ARDOUR::Profile->get_mixbus()) {
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
if (!backend) return 0;
|
|
return backend->input_channels();
|
|
}
|
|
return (uint32_t) output_channels_adjustment.get_value();
|
|
}
|
|
|
|
uint32_t
|
|
EngineControl::get_input_latency() const
|
|
{
|
|
return (uint32_t) input_latency_adjustment.get_value();
|
|
}
|
|
|
|
uint32_t
|
|
EngineControl::get_output_latency() const
|
|
{
|
|
return (uint32_t) output_latency_adjustment.get_value();
|
|
}
|
|
|
|
string
|
|
EngineControl::get_backend () const
|
|
{
|
|
return backend_combo.get_active_text ();
|
|
}
|
|
|
|
string
|
|
EngineControl::get_driver () const
|
|
{
|
|
if (driver_combo.get_sensitive() && driver_combo.get_parent()) {
|
|
return driver_combo.get_active_text ();
|
|
} else {
|
|
return "";
|
|
}
|
|
}
|
|
|
|
string
|
|
EngineControl::get_device_name () const
|
|
{
|
|
return device_combo.get_active_text ();
|
|
}
|
|
|
|
string
|
|
EngineControl::get_input_device_name () const
|
|
{
|
|
return input_device_combo.get_active_text ();
|
|
}
|
|
|
|
string
|
|
EngineControl::get_output_device_name () const
|
|
{
|
|
return output_device_combo.get_active_text ();
|
|
}
|
|
|
|
void
|
|
EngineControl::control_app_button_clicked ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
|
|
if (!backend) {
|
|
return;
|
|
}
|
|
|
|
backend->launch_control_app ();
|
|
}
|
|
|
|
void
|
|
EngineControl::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 ();
|
|
input_device_changed ();
|
|
output_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);
|
|
_measure_midi.reset();
|
|
} else {
|
|
cancel_button->set_sensitive (false);
|
|
ok_button->set_sensitive (false);
|
|
apply_button->set_sensitive (false);
|
|
}
|
|
|
|
if (page_num == midi_tab) {
|
|
/* MIDI tab */
|
|
refresh_midi_display ();
|
|
}
|
|
|
|
if (page_num == latency_tab) {
|
|
/* latency tab */
|
|
|
|
if (ARDOUR::AudioEngine::instance()->running()) {
|
|
// TODO - mark as 'stopped for latency
|
|
ARDOUR_UI::instance()->disconnect_from_engine ();
|
|
}
|
|
|
|
{
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
|
|
/* save any existing latency values */
|
|
|
|
uint32_t il = (uint32_t) input_latency.get_value ();
|
|
uint32_t ol = (uint32_t) input_latency.get_value ();
|
|
|
|
/* reset to zero so that our new test instance
|
|
will be clean of any existing latency measures.
|
|
|
|
NB. this should really be done by the backend
|
|
when stated for latency measurement.
|
|
*/
|
|
|
|
input_latency.set_value (0);
|
|
output_latency.set_value (0);
|
|
|
|
push_state_to_backend (false);
|
|
|
|
/* reset control */
|
|
|
|
input_latency.set_value (il);
|
|
output_latency.set_value (ol);
|
|
|
|
}
|
|
// This should be done in push_state_to_backend()
|
|
if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) {
|
|
disable_latency_tab ();
|
|
}
|
|
|
|
enable_latency_tab ();
|
|
|
|
} else {
|
|
if (lm_running) {
|
|
end_latency_detection ();
|
|
ARDOUR::AudioEngine::instance()->stop_latency_detection();
|
|
}
|
|
}
|
|
}
|
|
|
|
/* latency measurement */
|
|
|
|
bool
|
|
EngineControl::check_audio_latency_measurement ()
|
|
{
|
|
MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
|
|
|
|
if (mtdm->resolve () < 0) {
|
|
lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
|
|
return true;
|
|
}
|
|
|
|
if (mtdm->err () > 0.3) {
|
|
mtdm->invert ();
|
|
mtdm->resolve ();
|
|
}
|
|
|
|
char buf[256];
|
|
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;
|
|
}
|
|
|
|
int frames_total = mtdm->del();
|
|
int extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
|
|
|
|
snprintf (buf, sizeof (buf), "%s%d samples (%.3lf ms)\n%s%d samples (%.3lf ms)",
|
|
_("Detected roundtrip latency: "),
|
|
frames_total, frames_total * 1000.0f/sample_rate,
|
|
_("Systemic latency: "),
|
|
extra, extra * 1000.0f/sample_rate);
|
|
|
|
bool solid = true;
|
|
|
|
if (mtdm->err () > 0.2) {
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(signal detection error)"));
|
|
solid = false;
|
|
}
|
|
|
|
if (mtdm->inv ()) {
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(inverted - bad wiring)"));
|
|
solid = false;
|
|
}
|
|
|
|
lm_results.set_markup (string_compose (results_markup, buf));
|
|
|
|
if (solid) {
|
|
have_lm_results = true;
|
|
end_latency_detection ();
|
|
lm_use_button.set_sensitive (true);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
EngineControl::check_midi_latency_measurement ()
|
|
{
|
|
ARDOUR::MIDIDM* mididm = ARDOUR::AudioEngine::instance()->mididm ();
|
|
|
|
if (!mididm->have_signal () || mididm->latency () == 0) {
|
|
lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
|
|
return true;
|
|
}
|
|
|
|
char buf[256];
|
|
ARDOUR::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;
|
|
}
|
|
|
|
ARDOUR::framecnt_t frames_total = mididm->latency();
|
|
ARDOUR::framecnt_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
|
|
snprintf (buf, sizeof (buf), "%s%" PRId64" samples (%.1lf ms) dev: %.2f[spl]\n%s%" PRId64" samples (%.1lf ms)",
|
|
_("Detected roundtrip latency: "),
|
|
frames_total, frames_total * 1000.0f / sample_rate, mididm->deviation (),
|
|
_("Systemic latency: "),
|
|
extra, extra * 1000.0f / sample_rate);
|
|
|
|
bool solid = true;
|
|
|
|
if (!mididm->ok ()) {
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(averaging)"));
|
|
solid = false;
|
|
}
|
|
|
|
if (mididm->deviation () > 50.0) {
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(too large jitter)"));
|
|
solid = false;
|
|
} else if (mididm->deviation () > 10.0) {
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(large jitter)"));
|
|
}
|
|
|
|
if (solid) {
|
|
have_lm_results = true;
|
|
end_latency_detection ();
|
|
lm_use_button.set_sensitive (true);
|
|
lm_results.set_markup (string_compose (results_markup, buf));
|
|
return false;
|
|
} else if (mididm->processed () > 400) {
|
|
have_lm_results = false;
|
|
end_latency_detection ();
|
|
lm_results.set_markup (string_compose (results_markup, _("Timeout - large MIDI jitter.")));
|
|
return false;
|
|
}
|
|
|
|
lm_results.set_markup (string_compose (results_markup, buf));
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
EngineControl::start_latency_detection ()
|
|
{
|
|
ARDOUR::AudioEngine::instance()->set_latency_input_port (lm_input_channel_combo.get_active_text());
|
|
ARDOUR::AudioEngine::instance()->set_latency_output_port (lm_output_channel_combo.get_active_text());
|
|
|
|
if (ARDOUR::AudioEngine::instance()->start_latency_detection (_measure_midi ? true : false) == 0) {
|
|
lm_results.set_markup (string_compose (results_markup, _("Detecting ...")));
|
|
if (_measure_midi) {
|
|
latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_midi_latency_measurement), 100);
|
|
} else {
|
|
latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_audio_latency_measurement), 100);
|
|
}
|
|
lm_measure_label.set_text (_("Cancel"));
|
|
have_lm_results = false;
|
|
lm_use_button.set_sensitive (false);
|
|
lm_input_channel_combo.set_sensitive (false);
|
|
lm_output_channel_combo.set_sensitive (false);
|
|
lm_running = true;
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::end_latency_detection ()
|
|
{
|
|
latency_timeout.disconnect ();
|
|
ARDOUR::AudioEngine::instance()->stop_latency_detection ();
|
|
lm_measure_label.set_text (_("Measure"));
|
|
if (!have_lm_results) {
|
|
lm_use_button.set_sensitive (false);
|
|
}
|
|
lm_input_channel_combo.set_sensitive (true);
|
|
lm_output_channel_combo.set_sensitive (true);
|
|
lm_running = false;
|
|
}
|
|
|
|
void
|
|
EngineControl::latency_button_clicked ()
|
|
{
|
|
if (!lm_running) {
|
|
start_latency_detection ();
|
|
} else {
|
|
end_latency_detection ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::use_latency_button_clicked ()
|
|
{
|
|
if (_measure_midi) {
|
|
ARDOUR::MIDIDM* mididm = ARDOUR::AudioEngine::instance()->mididm ();
|
|
if (!mididm) {
|
|
return;
|
|
}
|
|
ARDOUR::framecnt_t frames_total = mididm->latency();
|
|
ARDOUR::framecnt_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
|
|
uint32_t one_way = max ((ARDOUR::framecnt_t) 0, extra / 2);
|
|
_measure_midi->input_latency = one_way;
|
|
_measure_midi->output_latency = one_way;
|
|
notebook.set_current_page (midi_tab);
|
|
} else {
|
|
MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
|
|
|
|
if (!mtdm) {
|
|
return;
|
|
}
|
|
|
|
double one_way = rint ((mtdm->del() - ARDOUR::AudioEngine::instance()->latency_signal_delay()) / 2.0);
|
|
one_way = std::max (0., one_way);
|
|
|
|
input_latency_adjustment.set_value (one_way);
|
|
output_latency_adjustment.set_value (one_way);
|
|
|
|
/* back to settings page */
|
|
notebook.set_current_page (0);
|
|
}
|
|
}
|
|
|
|
|
|
bool
|
|
EngineControl::on_delete_event (GdkEventAny* ev)
|
|
{
|
|
if (notebook.get_current_page() == 2) {
|
|
/* currently on latency tab - be sure to clean up */
|
|
end_latency_detection ();
|
|
}
|
|
return ArdourDialog::on_delete_event (ev);
|
|
}
|
|
|
|
void
|
|
EngineControl::engine_running ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
assert (backend);
|
|
|
|
set_active_text_if_present (buffer_size_combo, bufsize_as_string (backend->buffer_size()));
|
|
sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate()));
|
|
|
|
buffer_size_combo.set_sensitive (true);
|
|
sample_rate_combo.set_sensitive (true);
|
|
|
|
connect_disconnect_button.set_label (string_compose (_("Disconnect from %1"), backend->name()));
|
|
connect_disconnect_button.show();
|
|
|
|
started_at_least_once = true;
|
|
engine_status.set_markup(string_compose ("<span foreground=\"green\">%1</span>", _("Active")));
|
|
}
|
|
|
|
void
|
|
EngineControl::engine_stopped ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
|
|
assert (backend);
|
|
|
|
buffer_size_combo.set_sensitive (false);
|
|
connect_disconnect_button.set_label (string_compose (_("Connect to %1"), backend->name()));
|
|
connect_disconnect_button.show();
|
|
|
|
sample_rate_combo.set_sensitive (true);
|
|
buffer_size_combo.set_sensitive (true);
|
|
engine_status.set_markup(string_compose ("<span foreground=\"red\">%1</span>", _("Inactive")));
|
|
}
|
|
|
|
void
|
|
EngineControl::device_list_changed ()
|
|
{
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); // ??
|
|
list_devices ();
|
|
midi_option_changed();
|
|
}
|
|
|
|
void
|
|
EngineControl::connect_disconnect_click()
|
|
{
|
|
if (ARDOUR::AudioEngine::instance()->running()) {
|
|
ARDOUR_UI::instance()->disconnect_from_engine ();
|
|
} else {
|
|
ARDOUR_UI::instance()->reconnect_to_engine ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::calibrate_audio_latency ()
|
|
{
|
|
_measure_midi.reset ();
|
|
have_lm_results = false;
|
|
lm_use_button.set_sensitive (false);
|
|
lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
|
|
notebook.set_current_page (latency_tab);
|
|
}
|
|
|
|
void
|
|
EngineControl::calibrate_midi_latency (MidiDeviceSettings s)
|
|
{
|
|
_measure_midi = s;
|
|
have_lm_results = false;
|
|
lm_use_button.set_sensitive (false);
|
|
lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
|
|
notebook.set_current_page (latency_tab);
|
|
}
|
|
|
|
void
|
|
EngineControl::configure_midi_devices ()
|
|
{
|
|
notebook.set_current_page (midi_tab);
|
|
}
|