Gtk::manage only destroys managed widgets when the parent container is destroyed. In Ardour's case this is not the case since Gtkmm2ext::container_clear() is used to unpack/repack widgets as required.
3304 lines
102 KiB
C++
3304 lines
102 KiB
C++
/*
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* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2008-2012 David Robillard <d@drobilla.net>
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* Copyright (C) 2013-2014 Colin Fletcher <colin.m.fletcher@googlemail.com>
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* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
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* Copyright (C) 2015 Ben Loftis <ben@harrisonconsoles.com>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <cmath>
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#include <exception>
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#include <map>
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#include <vector>
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#include <boost/scoped_ptr.hpp>
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#include "pbd/error.h"
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#include "pbd/failed_constructor.h"
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#include "pbd/locale_guard.h"
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#include "pbd/unwind.h"
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#include "pbd/xml++.h"
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#include <gtkmm/alignment.h>
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#include <gtkmm/notebook.h>
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#include <gtkmm/stock.h>
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#include <gtkmm2ext/utils.h>
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#include "widgets/tooltips.h"
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#include "ardour/audio_backend.h"
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#include "ardour/audioengine.h"
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#include "ardour/mididm.h"
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#include "ardour/mtdm.h"
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#include "ardour/profile.h"
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#include "ardour/rc_configuration.h"
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#include "ardour/types.h"
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#include "pbd/convert.h"
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#include "pbd/error.h"
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#include "ardour_message.h"
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#include "ardour_ui.h"
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#include "debug.h"
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#include "engine_dialog.h"
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#include "gui_thread.h"
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#include "opts.h"
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#include "pbd/i18n.h"
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#include "public_editor.h"
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#include "splash.h"
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#include "ui_config.h"
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#include "utils.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 ArdourWidgets;
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using namespace ARDOUR_UI_UTILS;
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#define DEBUG_ECONTROL(msg) DEBUG_TRACE (PBD::DEBUG::EngineControl, string_compose ("%1: %2\n", __LINE__, msg));
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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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, lbl_audio_system (_("Audio System:"), Gtk::ALIGN_START)
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, lbl_midi_system (_("MIDI System:"), Gtk::ALIGN_START)
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, lbl_driver (_("Driver:"), Gtk::ALIGN_START)
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, lbl_device (_("Device:"), Gtk::ALIGN_START)
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, lbl_input_device (_("Input Device:"), Gtk::ALIGN_START)
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, lbl_output_device (_("Output Device:"), Gtk::ALIGN_START)
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, lbl_sample_rate (_("Sample rate:"), Gtk::ALIGN_START)
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, lbl_buffer_size (_("Buffer size:"), Gtk::ALIGN_START)
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, lbl_nperiods (_("Periods:"), Gtk::ALIGN_START)
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, lbl_input_latency (_("Hardware input latency:"), Gtk::ALIGN_START)
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, lbl_output_latency (_("Hardware output latency:"), Gtk::ALIGN_START)
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, lbl_monitor_model (_("Record monitoring handled by:"), Gtk::ALIGN_START)
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, lbl_jack_msg ("", Gtk::ALIGN_START)
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, unit_samples_text (_("samples"), Gtk::ALIGN_START)
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, control_app_button (_("Device Control Panel"))
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, midi_devices_button (_("MIDI Device Setup"))
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, start_stop_button (_("Stop"))
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, update_devices_button (_("Refresh Devices"))
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, use_buffered_io_button (_("Use Buffered I/O"), ArdourButton::led_default_elements)
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, try_autostart_button (_("Autostart"), ArdourButton::led_default_elements)
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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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, ignore_device_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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, _have_control (true)
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, block_signals (0)
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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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ArdourMessageDialog 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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/* setup HW monitoring */
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monitor_model_combo.append_text (PROGRAM_NAME);
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monitor_model_combo.append_text (_("audio hardware"));
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if (ARDOUR::HardwareMonitoring == ARDOUR::Config->get_monitoring_model ()) {
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/* this really depends on running backend, check
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* AudioEngine::instance()->port_engine().can_monitor_input()
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*/
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monitor_model_combo.append_text (_("via Audio Driver"));
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}
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/* setup latency spinbox behavior */
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input_latency.set_can_focus ();
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input_latency.set_digits (0);
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input_latency.set_wrap (false);
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input_latency.set_editable (true);
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output_latency.set_can_focus ();
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output_latency.set_digits (0);
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output_latency.set_wrap (false);
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output_latency.set_editable (true);
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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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lm_output_channel_list = Gtk::ListStore::create (lm_output_channel_cols);
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lm_output_channel_combo.set_model (lm_output_channel_list);
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lm_output_channel_combo.pack_start (lm_output_channel_cols.pretty_name);
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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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lm_input_channel_list = Gtk::ListStore::create (lm_input_channel_cols);
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lm_input_channel_combo.set_model (lm_input_channel_list);
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lm_input_channel_combo.pack_start (lm_input_channel_cols.pretty_name);
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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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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 (
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sigc::mem_fun (*this, &EngineControl::latency_back_button_clicked));
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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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/* 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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midi_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::configure_midi_devices));
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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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control_app_button.set_name ("generic button");
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control_app_button.set_can_focus (true);
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manage_control_app_sensitivity ();
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start_stop_button.signal_clicked.connect (mem_fun (*this, &EngineControl::start_stop_button_clicked));
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start_stop_button.set_sensitive (false);
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start_stop_button.set_name ("generic button");
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start_stop_button.set_can_focus (true);
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start_stop_button.set_can_default (true);
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start_stop_button.set_act_on_release (false);
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update_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::update_devices_button_clicked));
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update_devices_button.set_sensitive (false);
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update_devices_button.set_name ("generic button");
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update_devices_button.set_can_focus (true);
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use_buffered_io_button.signal_clicked.connect (mem_fun (*this, &EngineControl::use_buffered_io_button_clicked));
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use_buffered_io_button.set_sensitive (false);
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use_buffered_io_button.set_name ("generic button");
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use_buffered_io_button.set_can_focus (true);
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try_autostart_button.signal_clicked.connect (mem_fun (*this, &EngineControl::try_autostart_button_clicked));
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try_autostart_button.set_name ("generic button");
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try_autostart_button.set_can_focus (true);
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set_tooltip (try_autostart_button,
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string_compose (_("Always try these settings when starting %1, if the same device is available"), PROGRAM_NAME));
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ARDOUR::Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&EngineControl::config_parameter_changed, this, _1), gui_context ());
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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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config_parameter_changed ("try-autostart-engine");
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config_parameter_changed ("monitoring-model");
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if (audio_setup) {
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if (!set_state (*audio_setup)) {
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set_default_state ();
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}
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} else {
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set_default_state ();
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}
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update_sensitivity ();
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connect_changed_signals ();
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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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start_stop_button.set_no_show_all ();
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}
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void
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EngineControl::connect_changed_signals ()
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{
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backend_combo_connection = backend_combo.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::backend_changed));
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driver_combo_connection = driver_combo.signal_changed ().connect (
|
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sigc::mem_fun (*this, &EngineControl::driver_changed));
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sample_rate_combo_connection = sample_rate_combo.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::sample_rate_changed));
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buffer_size_combo_connection = buffer_size_combo.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::buffer_size_changed));
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nperiods_combo_connection = nperiods_combo.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::nperiods_changed));
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device_combo_connection = device_combo.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::device_changed));
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midi_option_combo_connection = midi_option_combo.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::midi_option_changed));
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input_device_combo_connection = input_device_combo.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::input_device_changed));
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output_device_combo_connection = output_device_combo.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::output_device_changed));
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input_latency_connection = input_latency.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::latency_changed));
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output_latency_connection = output_latency.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::latency_changed));
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monitor_model_connection = monitor_model_combo.signal_changed ().connect (
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sigc::mem_fun (*this, &EngineControl::monitor_model_changed));
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}
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|
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void
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EngineControl::block_changed_signals ()
|
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{
|
|
if (block_signals++ == 0) {
|
|
DEBUG_ECONTROL ("Blocking changed signals");
|
|
backend_combo_connection.block ();
|
|
driver_combo_connection.block ();
|
|
sample_rate_combo_connection.block ();
|
|
buffer_size_combo_connection.block ();
|
|
nperiods_combo_connection.block ();
|
|
device_combo_connection.block ();
|
|
input_device_combo_connection.block ();
|
|
output_device_combo_connection.block ();
|
|
midi_option_combo_connection.block ();
|
|
input_latency_connection.block ();
|
|
output_latency_connection.block ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::unblock_changed_signals ()
|
|
{
|
|
if (--block_signals == 0) {
|
|
DEBUG_ECONTROL ("Unblocking changed signals");
|
|
backend_combo_connection.unblock ();
|
|
driver_combo_connection.unblock ();
|
|
sample_rate_combo_connection.unblock ();
|
|
buffer_size_combo_connection.unblock ();
|
|
nperiods_combo_connection.unblock ();
|
|
device_combo_connection.unblock ();
|
|
input_device_combo_connection.unblock ();
|
|
output_device_combo_connection.unblock ();
|
|
midi_option_combo_connection.unblock ();
|
|
input_latency_connection.unblock ();
|
|
output_latency_connection.unblock ();
|
|
}
|
|
}
|
|
|
|
EngineControl::SignalBlocker::SignalBlocker (EngineControl& engine_control,
|
|
const std::string& reason)
|
|
: ec (engine_control)
|
|
, m_reason (reason)
|
|
{
|
|
DEBUG_ECONTROL (string_compose ("SignalBlocker: %1", m_reason));
|
|
ec.block_changed_signals ();
|
|
}
|
|
|
|
EngineControl::SignalBlocker::~SignalBlocker ()
|
|
{
|
|
DEBUG_ECONTROL (string_compose ("~SignalBlocker: %1", m_reason));
|
|
ec.unblock_changed_signals ();
|
|
}
|
|
|
|
void
|
|
EngineControl::on_show ()
|
|
{
|
|
ArdourDialog::on_show ();
|
|
if (!ARDOUR::AudioEngine::instance ()->current_backend () || !ARDOUR::AudioEngine::instance ()->running ()) {
|
|
// re-check _have_control (jackd running) see #6041
|
|
backend_changed ();
|
|
}
|
|
device_changed ();
|
|
start_stop_button.grab_focus ();
|
|
}
|
|
|
|
void
|
|
EngineControl::on_map ()
|
|
{
|
|
if (!ARDOUR_UI::instance ()->the_session () && !PublicEditor::_instance) {
|
|
set_type_hint (Gdk::WINDOW_TYPE_HINT_NORMAL);
|
|
} else if (UIConfiguration::instance ().get_all_floating_windows_are_dialogs ()) {
|
|
set_type_hint (Gdk::WINDOW_TYPE_HINT_DIALOG);
|
|
} else {
|
|
set_type_hint (Gdk::WINDOW_TYPE_HINT_UTILITY);
|
|
}
|
|
ArdourDialog::on_map ();
|
|
}
|
|
|
|
void
|
|
EngineControl::config_parameter_changed (std::string const& p)
|
|
{
|
|
if (p == "try-autostart-engine") {
|
|
try_autostart_button.set_active (ARDOUR::Config->get_try_autostart_engine ());
|
|
} else if (p == "monitoring-model") {
|
|
switch (ARDOUR::Config->get_monitoring_model ()) {
|
|
case ARDOUR::SoftwareMonitoring:
|
|
monitor_model_combo.set_active (0);
|
|
break;
|
|
case ARDOUR::ExternalMonitoring:
|
|
monitor_model_combo.set_active (1);
|
|
break;
|
|
case ARDOUR::HardwareMonitoring:
|
|
// TODO check if "via Audio Driver" is present, add it
|
|
monitor_model_combo.set_active (2);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
EngineControl::start_engine ()
|
|
{
|
|
int rv = push_state_to_backend (true);
|
|
if (rv < 0) {
|
|
/* error message from backend */
|
|
ArdourMessageDialog msg (*this, ARDOUR::AudioEngine::instance ()->get_last_backend_error ());
|
|
msg.run ();
|
|
} else if (rv > 0) {
|
|
/* error from push_state_to_backend() */
|
|
// TODO: get error message from push_state_to_backend
|
|
ArdourMessageDialog msg (*this, _("Could not configure Audio/MIDI engine with given settings."));
|
|
msg.run ();
|
|
}
|
|
return rv == 0;
|
|
}
|
|
|
|
bool
|
|
EngineControl::stop_engine (bool for_latency)
|
|
{
|
|
if (ARDOUR::AudioEngine::instance ()->stop (for_latency)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void
|
|
EngineControl::build_notebook ()
|
|
{
|
|
AttachOptions xopt = AttachOptions (FILL | EXPAND);
|
|
|
|
/* clear the table */
|
|
|
|
Gtkmm2ext::container_clear (basic_vbox);
|
|
Gtkmm2ext::container_clear (basic_packer);
|
|
|
|
if (control_app_button.get_parent ()) {
|
|
control_app_button.get_parent ()->remove (control_app_button);
|
|
}
|
|
|
|
if (start_stop_button.get_parent ()) {
|
|
start_stop_button.get_parent ()->remove (start_stop_button);
|
|
}
|
|
if (connect_disconnect_button.get_parent ()) {
|
|
connect_disconnect_button.get_parent ()->remove (connect_disconnect_button);
|
|
}
|
|
|
|
basic_packer.attach (lbl_audio_system, 0, 1, 0, 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (backend_combo, 1, 2, 0, 1, xopt, (AttachOptions)0);
|
|
|
|
basic_packer.attach (engine_status, 2, 3, 0, 1, xopt, (AttachOptions)0);
|
|
engine_status.show ();
|
|
|
|
lm_button_audio.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_audio_latency));
|
|
lm_button_audio.set_name ("generic button");
|
|
lm_button_audio.set_can_focus (true);
|
|
|
|
if (_have_control) {
|
|
build_full_control_notebook ();
|
|
get_action_area ()->add (start_stop_button);
|
|
} else {
|
|
build_no_control_notebook ();
|
|
get_action_area ()->add (connect_disconnect_button);
|
|
}
|
|
|
|
basic_vbox.pack_start (basic_hbox, false, false);
|
|
|
|
{
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
basic_vbox.show_all ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::build_full_control_notebook ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
|
|
using namespace Notebook_Helpers;
|
|
vector<string> strings;
|
|
AttachOptions xopt = AttachOptions (FILL | EXPAND);
|
|
int row = 1; // row zero == backend combo
|
|
int btn = 1; // row zero == start_stop_button
|
|
bool autostart_packed = false;
|
|
|
|
/* start packing it up */
|
|
|
|
if (backend->requires_driver_selection ()) {
|
|
basic_packer.attach (lbl_driver, 0, 1, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (driver_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
|
|
row++;
|
|
}
|
|
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
basic_packer.attach (lbl_input_device, 0, 1, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (input_device_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
|
|
row++;
|
|
basic_packer.attach (lbl_output_device, 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 {
|
|
basic_packer.attach (lbl_device, 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 ("");
|
|
}
|
|
|
|
/* same line as Driver */
|
|
if (backend->can_use_buffered_io ()) {
|
|
basic_packer.attach (use_buffered_io_button, 3, 4, btn, btn + 1, xopt, xopt);
|
|
btn++;
|
|
}
|
|
|
|
/* same line as Device(s) */
|
|
if (backend->can_request_update_devices ()) {
|
|
basic_packer.attach (update_devices_button, 3, 4, btn, btn + 1, xopt, xopt);
|
|
btn++;
|
|
}
|
|
|
|
/* prefer "try autostart" below "Start" if possible */
|
|
if (btn < row) {
|
|
basic_packer.attach (try_autostart_button, 3, 4, btn, btn + 1, xopt, xopt);
|
|
btn++;
|
|
autostart_packed = true;
|
|
}
|
|
|
|
basic_packer.attach (lbl_sample_rate, 0, 1, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
|
|
row++;
|
|
|
|
basic_packer.attach (lbl_buffer_size, 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);
|
|
|
|
int ctrl_btn_span = 1;
|
|
if (backend->can_set_period_size ()) {
|
|
row++;
|
|
basic_packer.attach (lbl_nperiods, 0, 1, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (nperiods_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
|
|
++ctrl_btn_span;
|
|
}
|
|
|
|
/* button spans 2 or 3 rows: Sample rate, Buffer size, Periods */
|
|
basic_packer.attach (control_app_button, 3, 4, row - ctrl_btn_span, row + 1, xopt, xopt);
|
|
row++;
|
|
|
|
/* Prefer next available vertical slot, 1 row */
|
|
if (btn < row && !autostart_packed) {
|
|
basic_packer.attach (try_autostart_button, 3, 4, btn, btn + 1, xopt, xopt);
|
|
btn++;
|
|
autostart_packed = true;
|
|
}
|
|
|
|
basic_packer.attach (lbl_input_latency, 0, 1, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (input_latency, 1, 2, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (unit_samples_text, 2, 3, row, row + 1, SHRINK, (AttachOptions)0);
|
|
++row;
|
|
|
|
basic_packer.attach (lbl_output_latency, 0, 1, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (output_latency, 1, 2, row, row + 1, xopt, (AttachOptions)0);
|
|
//basic_packer.attach (unit_samples_text, 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;
|
|
|
|
basic_packer.attach (lbl_midi_system, 0, 1, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (midi_option_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (midi_devices_button, 3, 4, row, row + 1, xopt, xopt);
|
|
row++;
|
|
|
|
basic_packer.attach (lbl_monitor_model, 0, 1, row, row + 1, xopt, (AttachOptions)0);
|
|
basic_packer.attach (monitor_model_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
|
|
row++;
|
|
|
|
if (!autostart_packed) {
|
|
basic_packer.attach (try_autostart_button, 3, 4, row, row + 1, xopt, xopt);
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::build_no_control_notebook ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
|
|
using namespace Notebook_Helpers;
|
|
|
|
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);
|
|
|
|
lbl_jack_msg.set_markup (string_compose ("<span weight=\"bold\" foreground=\"red\">%1</span>", msg));
|
|
basic_packer.attach (lbl_jack_msg, 0, 2, row, row + 1, xopt, (AttachOptions)0);
|
|
row++;
|
|
|
|
if (backend->can_change_sample_rate_when_running ()) {
|
|
basic_packer.attach (lbl_sample_rate, 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 ()) {
|
|
basic_packer.attach (lbl_buffer_size, 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++;
|
|
}
|
|
}
|
|
|
|
EngineControl::~EngineControl ()
|
|
{
|
|
ignore_changes = true;
|
|
}
|
|
|
|
void
|
|
EngineControl::disable_latency_tab ()
|
|
{
|
|
lm_input_channel_list->clear ();
|
|
lm_output_channel_list->clear ();
|
|
lm_measure_button.set_sensitive (false);
|
|
lm_use_button.set_sensitive (false);
|
|
}
|
|
|
|
void
|
|
EngineControl::enable_latency_tab ()
|
|
{
|
|
State state = get_saved_state_for_currently_displayed_backend_and_device ();
|
|
|
|
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 ()) {
|
|
ArdourMessageDialog 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 ()) {
|
|
ArdourMessageDialog 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::mem_fun (*this, &EngineControl::latency_back_button_clicked));
|
|
lm_preamble.show ();
|
|
}
|
|
|
|
unsigned int j = 0;
|
|
unsigned int n = 0;
|
|
lm_output_channel_list->clear ();
|
|
for (vector<string>::const_iterator i = outputs.begin (); i != outputs.end (); ++i, ++j) {
|
|
Gtk::TreeModel::iterator iter = lm_output_channel_list->append ();
|
|
Gtk::TreeModel::Row row = *iter;
|
|
row[lm_output_channel_cols.port_name] = *i;
|
|
std::string pn = ARDOUR::AudioEngine::instance ()->get_pretty_name_by_name (*i);
|
|
if (pn.empty ()) {
|
|
pn = (*i).substr ((*i).find (':') + 1);
|
|
}
|
|
row[lm_output_channel_cols.pretty_name] = pn;
|
|
if (state && state->lm_output == *i) {
|
|
n = j;
|
|
}
|
|
}
|
|
lm_output_channel_combo.set_active (n);
|
|
lm_output_channel_combo.set_sensitive (true);
|
|
|
|
j = n = 0;
|
|
lm_input_channel_list->clear ();
|
|
for (vector<string>::const_iterator i = inputs.begin (); i != inputs.end (); ++i, ++j) {
|
|
Gtk::TreeModel::iterator iter = lm_input_channel_list->append ();
|
|
Gtk::TreeModel::Row row = *iter;
|
|
row[lm_input_channel_cols.port_name] = *i;
|
|
std::string pn = ARDOUR::AudioEngine::instance ()->get_pretty_name_by_name (*i);
|
|
if (pn.empty ()) {
|
|
pn = (*i).substr ((*i).find (':') + 1);
|
|
}
|
|
row[lm_input_channel_cols.pretty_name] = pn;
|
|
if (state && state->lm_input == *i) {
|
|
n = j;
|
|
}
|
|
}
|
|
lm_input_channel_combo.set_active (n);
|
|
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::update_sensitivity ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
if (!backend) {
|
|
start_stop_button.set_sensitive (false);
|
|
return;
|
|
}
|
|
|
|
bool valid = true;
|
|
size_t devices_available = 0;
|
|
bool engine_running = ARDOUR::AudioEngine::instance ()->running ();
|
|
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
devices_available += get_popdown_string_count (input_device_combo);
|
|
devices_available += get_popdown_string_count (output_device_combo);
|
|
} else {
|
|
devices_available += get_popdown_string_count (device_combo);
|
|
}
|
|
|
|
if (devices_available == 0) {
|
|
valid = false;
|
|
input_latency.set_sensitive (false);
|
|
output_latency.set_sensitive (false);
|
|
} else {
|
|
input_latency.set_sensitive (true);
|
|
output_latency.set_sensitive (true);
|
|
}
|
|
|
|
if (get_popdown_string_count (buffer_size_combo) > 0) {
|
|
if (!engine_running) {
|
|
buffer_size_combo.set_sensitive (valid);
|
|
} else if (backend->can_change_buffer_size_when_running ()) {
|
|
buffer_size_combo.set_sensitive (valid || !_have_control);
|
|
} else {
|
|
buffer_size_combo.set_sensitive (false);
|
|
}
|
|
} else {
|
|
buffer_size_combo.set_sensitive (false);
|
|
valid = false;
|
|
}
|
|
|
|
if (!engine_running || backend->can_change_systemic_latency_when_running ()) {
|
|
input_latency.set_sensitive (true);
|
|
output_latency.set_sensitive (true);
|
|
} else {
|
|
input_latency.set_sensitive (false);
|
|
output_latency.set_sensitive (false);
|
|
}
|
|
|
|
if (get_popdown_string_count (sample_rate_combo) > 0) {
|
|
bool allow_to_set_rate = false;
|
|
if (!engine_running) {
|
|
if (!ARDOUR_UI::instance ()->the_session ()) {
|
|
// engine is not running, no session loaded -> anything goes.
|
|
allow_to_set_rate = true;
|
|
} else if (_desired_sample_rate > 0 && get_rate () != _desired_sample_rate) {
|
|
// only allow to change if the current setting is not the native session rate.
|
|
allow_to_set_rate = true;
|
|
}
|
|
}
|
|
sample_rate_combo.set_sensitive (allow_to_set_rate);
|
|
} else {
|
|
sample_rate_combo.set_sensitive (false);
|
|
valid = false;
|
|
}
|
|
|
|
if (get_popdown_string_count (nperiods_combo) > 0) {
|
|
if (!engine_running) {
|
|
nperiods_combo.set_sensitive (true);
|
|
} else {
|
|
nperiods_combo.set_sensitive (false);
|
|
}
|
|
} else {
|
|
nperiods_combo.set_sensitive (false);
|
|
}
|
|
|
|
if (_have_control) {
|
|
start_stop_button.set_sensitive (true);
|
|
start_stop_button.show ();
|
|
if (engine_running) {
|
|
start_stop_button.set_text (S_("Engine|Stop"));
|
|
update_devices_button.set_sensitive (false);
|
|
use_buffered_io_button.set_sensitive (false);
|
|
} else {
|
|
start_stop_button.set_text (S_("Engine|Start"));
|
|
update_devices_button.set_sensitive (backend->can_request_update_devices ());
|
|
use_buffered_io_button.set_sensitive (backend->can_use_buffered_io ());
|
|
}
|
|
} else {
|
|
start_stop_button.set_sensitive (false);
|
|
start_stop_button.hide ();
|
|
}
|
|
|
|
if (engine_running && _have_control) {
|
|
input_device_combo.set_sensitive (false);
|
|
output_device_combo.set_sensitive (false);
|
|
device_combo.set_sensitive (false);
|
|
driver_combo.set_sensitive (false);
|
|
} else {
|
|
input_device_combo.set_sensitive (true);
|
|
output_device_combo.set_sensitive (true);
|
|
device_combo.set_sensitive (true);
|
|
if (backend->requires_driver_selection () && get_popdown_string_count (driver_combo) > 0) {
|
|
driver_combo.set_sensitive (true);
|
|
} else {
|
|
driver_combo.set_sensitive (false);
|
|
}
|
|
}
|
|
|
|
midi_option_combo.set_sensitive (!engine_running);
|
|
}
|
|
|
|
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 ();
|
|
}
|
|
|
|
if (ARDOUR::AudioEngine::instance ()->running () && !_measure_midi) {
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
if (backend->can_change_systemic_latency_when_running () && device->enabled) {
|
|
if (for_input) {
|
|
backend->set_systemic_midi_input_latency (device->name, device->input_latency);
|
|
} else {
|
|
backend->set_systemic_midi_output_latency (device->name, device->output_latency);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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);
|
|
|
|
if (ARDOUR::AudioEngine::instance ()->running ()) {
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
backend->set_midi_device_enabled (device->name, device->enabled);
|
|
if (backend->can_change_systemic_latency_when_running () && device->enabled) {
|
|
backend->set_systemic_midi_input_latency (device->name, device->input_latency);
|
|
backend->set_systemic_midi_output_latency (device->name, device->output_latency);
|
|
}
|
|
}
|
|
}
|
|
|
|
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 (_("Systemic Latency [samples]")));
|
|
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++;
|
|
|
|
/* Don't autostart engine for MIDI latency compensation, only allow to configure when running
|
|
* or when the engine is stopped after calibration (otherwise ardour proceeds to load session).
|
|
*/
|
|
bool allow_calibration = ARDOUR::AudioEngine::instance ()->running () || !backend->can_change_systemic_latency_when_running ();
|
|
|
|
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 (true);
|
|
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 && allow_calibration);
|
|
midi_device_table.attach (*b, 3, 4, row, row + 1, xopt, AttachOptions (0));
|
|
b->show ();
|
|
|
|
row++;
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::backend_changed ()
|
|
{
|
|
SignalBlocker blocker (*this, "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_COMMAND_LINE::backend_client_name, ""))) {
|
|
/* eh? setting the backend failed... how ? */
|
|
/* A: stale config contains a backend that does not exist in current build */
|
|
return;
|
|
}
|
|
|
|
DEBUG_ECONTROL (string_compose ("Backend name: %1", backend_name));
|
|
|
|
_have_control = ARDOUR::AudioEngine::instance ()->setup_required ();
|
|
|
|
build_notebook ();
|
|
setup_midi_tab_for_backend ();
|
|
_midi_devices.clear ();
|
|
|
|
if (backend->requires_driver_selection ()) {
|
|
if (set_driver_popdown_strings ()) {
|
|
driver_changed ();
|
|
}
|
|
} else {
|
|
/* this will change the device text which will cause a call to
|
|
* device changed which will set up parameters
|
|
*/
|
|
list_devices ();
|
|
}
|
|
|
|
update_midi_options ();
|
|
|
|
connect_disconnect_button.hide ();
|
|
|
|
midi_option_changed ();
|
|
|
|
started_at_least_once = false;
|
|
|
|
/* changing the backend implies stopping the engine
|
|
* ARDOUR::AudioEngine() may or may not emit this signal
|
|
* depending on previous engine state
|
|
*/
|
|
engine_stopped (); // set "active/inactive"
|
|
|
|
if (!_have_control) {
|
|
// set settings from backend that we do have control over
|
|
set_buffersize_popdown_strings ();
|
|
set_active_text_if_present (buffer_size_combo, bufsize_as_string (backend->buffer_size ()));
|
|
}
|
|
|
|
if (_have_control && !ignore_changes) {
|
|
if (!set_state_for_backend (backend_combo.get_active_text ())) {
|
|
DEBUG_ECONTROL ("backend-changed(): no prior state for backend");
|
|
}
|
|
|
|
} else {
|
|
DEBUG_ECONTROL (string_compose ("backend-changed(): _have_control=%1 ignore_changes=%2", _have_control, ignore_changes));
|
|
}
|
|
|
|
if (!ignore_changes) {
|
|
maybe_display_saved_state ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::update_midi_options ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
vector<string> midi_options = backend->enumerate_midi_options ();
|
|
|
|
if (midi_options.size () == 1 || _have_control) {
|
|
set_popdown_strings (midi_option_combo, midi_options);
|
|
midi_option_combo.set_active_text (midi_options.front ());
|
|
}
|
|
}
|
|
|
|
// @return true if there are drivers available
|
|
bool
|
|
EngineControl::set_driver_popdown_strings ()
|
|
{
|
|
DEBUG_ECONTROL ("set_driver_popdown_strings");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
vector<string> drivers = backend->enumerate_drivers ();
|
|
|
|
if (drivers.empty ()) {
|
|
// This is an error...?
|
|
return false;
|
|
}
|
|
|
|
string current_driver = backend->driver_name ();
|
|
|
|
DEBUG_ECONTROL (string_compose ("backend->driver_name: %1", current_driver));
|
|
|
|
if (std::find (drivers.begin (), drivers.end (), current_driver) ==
|
|
drivers.end ()) {
|
|
current_driver = drivers.front ();
|
|
}
|
|
|
|
set_popdown_strings (driver_combo, drivers);
|
|
DEBUG_ECONTROL (
|
|
string_compose ("driver_combo.set_active_text: %1", current_driver));
|
|
driver_combo.set_active_text (current_driver);
|
|
return true;
|
|
}
|
|
|
|
std::string
|
|
EngineControl::get_default_device (const string& current_device_name,
|
|
const vector<string>& available_devices)
|
|
{
|
|
// If the current device is available, use it as default
|
|
if (std::find (available_devices.begin (),
|
|
available_devices.end (),
|
|
current_device_name) != available_devices.end ()) {
|
|
return current_device_name;
|
|
}
|
|
|
|
using namespace ARDOUR;
|
|
|
|
string default_device_name =
|
|
AudioBackend::get_standard_device_name (AudioBackend::DeviceDefault);
|
|
|
|
vector<string>::const_iterator i;
|
|
|
|
// If there is a "Default" device available, use it
|
|
for (i = available_devices.begin (); i != available_devices.end (); ++i) {
|
|
if (*i == default_device_name) {
|
|
return *i;
|
|
}
|
|
}
|
|
|
|
string none_device_name =
|
|
AudioBackend::get_standard_device_name (AudioBackend::DeviceNone);
|
|
|
|
// Use the first device that isn't "None"
|
|
for (i = available_devices.begin (); i != available_devices.end (); ++i) {
|
|
if (*i != none_device_name) {
|
|
return *i;
|
|
}
|
|
}
|
|
|
|
// Use "None" if there are no other available
|
|
return available_devices.front ();
|
|
}
|
|
|
|
// @return true if there are devices available
|
|
bool
|
|
EngineControl::set_device_popdown_strings ()
|
|
{
|
|
DEBUG_ECONTROL ("set_device_popdown_strings");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_devices ();
|
|
|
|
/* NOTE: Ardour currently does not display the "available" field of the
|
|
* returned devices.
|
|
*
|
|
* Doing so would require a different GUI widget than the combo
|
|
* box/popdown that we currently use, since it has no way to list
|
|
* items that are not selectable. Something more like a popup menu,
|
|
* which could have unselectable items, would be appropriate.
|
|
*/
|
|
|
|
vector<string> available_devices;
|
|
|
|
for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin (); i != all_devices.end (); ++i) {
|
|
available_devices.push_back (i->name);
|
|
}
|
|
|
|
if (available_devices.empty ()) {
|
|
return false;
|
|
}
|
|
|
|
set_popdown_strings (device_combo, available_devices);
|
|
|
|
std::string default_device =
|
|
get_default_device (backend->device_name (), available_devices);
|
|
|
|
DEBUG_ECONTROL (
|
|
string_compose ("set device_combo active text: %1", default_device));
|
|
|
|
device_combo.set_active_text (default_device);
|
|
return true;
|
|
}
|
|
|
|
// @return true if there are input devices available
|
|
bool
|
|
EngineControl::set_input_device_popdown_strings ()
|
|
{
|
|
DEBUG_ECONTROL ("set_input_device_popdown_strings");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_input_devices ();
|
|
|
|
vector<string> available_devices;
|
|
|
|
for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin (); i != all_devices.end (); ++i) {
|
|
available_devices.push_back (i->name);
|
|
}
|
|
|
|
if (available_devices.empty ()) {
|
|
return false;
|
|
}
|
|
|
|
set_popdown_strings (input_device_combo, available_devices);
|
|
|
|
std::string default_device =
|
|
get_default_device (backend->input_device_name (), available_devices);
|
|
|
|
DEBUG_ECONTROL (
|
|
string_compose ("set input_device_combo active text: %1", default_device));
|
|
input_device_combo.set_active_text (default_device);
|
|
return true;
|
|
}
|
|
|
|
// @return true if there are output devices available
|
|
bool
|
|
EngineControl::set_output_device_popdown_strings ()
|
|
{
|
|
DEBUG_ECONTROL ("set_output_device_popdown_strings");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
vector<ARDOUR::AudioBackend::DeviceStatus> all_devices = backend->enumerate_output_devices ();
|
|
|
|
vector<string> available_devices;
|
|
|
|
for (vector<ARDOUR::AudioBackend::DeviceStatus>::const_iterator i = all_devices.begin (); i != all_devices.end (); ++i) {
|
|
available_devices.push_back (i->name);
|
|
}
|
|
|
|
if (available_devices.empty ()) {
|
|
return false;
|
|
}
|
|
|
|
set_popdown_strings (output_device_combo, available_devices);
|
|
|
|
std::string default_device =
|
|
get_default_device (backend->output_device_name (), available_devices);
|
|
|
|
DEBUG_ECONTROL (
|
|
string_compose ("set output_device_combo active text: %1", default_device));
|
|
output_device_combo.set_active_text (default_device);
|
|
return true;
|
|
}
|
|
|
|
void
|
|
EngineControl::list_devices ()
|
|
{
|
|
DEBUG_ECONTROL ("list_devices");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
|
|
/* now fill out devices, mark sample rates, buffer sizes insensitive */
|
|
|
|
bool devices_available = false;
|
|
|
|
block_changed_signals ();
|
|
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 ();
|
|
}
|
|
unblock_changed_signals ();
|
|
|
|
if (devices_available) {
|
|
device_changed ();
|
|
} else {
|
|
device_combo.clear ();
|
|
input_device_combo.clear ();
|
|
output_device_combo.clear ();
|
|
}
|
|
update_sensitivity ();
|
|
}
|
|
|
|
void
|
|
EngineControl::driver_changed ()
|
|
{
|
|
SignalBlocker blocker (*this, "driver_changed");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
|
|
backend->set_driver (driver_combo.get_active_text ());
|
|
list_devices ();
|
|
|
|
// TODO load LRU device(s) for backend + driver combo
|
|
|
|
if (!ignore_changes) {
|
|
maybe_display_saved_state ();
|
|
}
|
|
}
|
|
|
|
vector<float>
|
|
EngineControl::get_sample_rates_for_all_devices ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend =
|
|
ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
vector<float> all_rates;
|
|
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
all_rates = backend->available_sample_rates2 (get_input_device_name (), get_output_device_name ());
|
|
} else {
|
|
all_rates = backend->available_sample_rates (get_device_name ());
|
|
}
|
|
return all_rates;
|
|
}
|
|
|
|
vector<float>
|
|
EngineControl::get_default_sample_rates ()
|
|
{
|
|
vector<float> rates;
|
|
rates.push_back (8000.0f);
|
|
rates.push_back (16000.0f);
|
|
rates.push_back (32000.0f);
|
|
rates.push_back (44100.0f);
|
|
rates.push_back (48000.0f);
|
|
rates.push_back (88200.0f);
|
|
rates.push_back (96000.0f);
|
|
rates.push_back (192000.0f);
|
|
rates.push_back (384000.0f);
|
|
return rates;
|
|
}
|
|
|
|
void
|
|
EngineControl::set_samplerate_popdown_strings ()
|
|
{
|
|
DEBUG_ECONTROL ("set_samplerate_popdown_strings");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
string desired;
|
|
vector<float> sr;
|
|
vector<string> s;
|
|
|
|
if (_have_control) {
|
|
sr = get_sample_rates_for_all_devices ();
|
|
} else {
|
|
sr = get_default_sample_rates ();
|
|
}
|
|
|
|
for (vector<float>::const_iterator x = sr.begin (); x != sr.end (); ++x) {
|
|
s.push_back (rate_as_string (*x));
|
|
if (*x == _desired_sample_rate) {
|
|
desired = s.back ();
|
|
}
|
|
}
|
|
|
|
set_popdown_strings (sample_rate_combo, s);
|
|
|
|
if (!s.empty ()) {
|
|
if (ARDOUR::AudioEngine::instance ()->running ()) {
|
|
sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate ()));
|
|
} else if (ARDOUR_UI::instance ()->the_session ()) {
|
|
float active_sr = ARDOUR_UI::instance ()->the_session ()->nominal_sample_rate ();
|
|
|
|
if (std::find (sr.begin (), sr.end (), active_sr) == sr.end ()) {
|
|
active_sr = sr.front ();
|
|
}
|
|
|
|
sample_rate_combo.set_active_text (rate_as_string (active_sr));
|
|
} else if (desired.empty ()) {
|
|
float new_active_sr = backend->default_sample_rate ();
|
|
|
|
if (std::find (sr.begin (), sr.end (), new_active_sr) == sr.end ()) {
|
|
new_active_sr = sr.front ();
|
|
}
|
|
|
|
sample_rate_combo.set_active_text (rate_as_string (new_active_sr));
|
|
} else {
|
|
sample_rate_combo.set_active_text (desired);
|
|
}
|
|
}
|
|
update_sensitivity ();
|
|
}
|
|
|
|
vector<uint32_t>
|
|
EngineControl::get_buffer_sizes_for_all_devices ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend =
|
|
ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
vector<uint32_t> all_sizes;
|
|
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
all_sizes = backend->available_buffer_sizes2 (get_input_device_name (), get_output_device_name ());
|
|
} else {
|
|
all_sizes = backend->available_buffer_sizes (get_device_name ());
|
|
}
|
|
return all_sizes;
|
|
}
|
|
|
|
vector<uint32_t>
|
|
EngineControl::get_default_buffer_sizes ()
|
|
{
|
|
vector<uint32_t> sizes;
|
|
sizes.push_back (8);
|
|
sizes.push_back (16);
|
|
sizes.push_back (32);
|
|
sizes.push_back (64);
|
|
sizes.push_back (128);
|
|
sizes.push_back (256);
|
|
sizes.push_back (512);
|
|
sizes.push_back (1024);
|
|
sizes.push_back (2048);
|
|
sizes.push_back (4096);
|
|
sizes.push_back (8192);
|
|
return sizes;
|
|
}
|
|
|
|
void
|
|
EngineControl::set_buffersize_popdown_strings ()
|
|
{
|
|
DEBUG_ECONTROL ("set_buffersize_popdown_strings");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
vector<uint32_t> bs;
|
|
vector<string> s;
|
|
|
|
if (_have_control) {
|
|
bs = get_buffer_sizes_for_all_devices ();
|
|
} else if (backend->can_change_buffer_size_when_running ()) {
|
|
bs = get_default_buffer_sizes ();
|
|
}
|
|
|
|
for (vector<uint32_t>::const_iterator x = bs.begin (); x != bs.end (); ++x) {
|
|
s.push_back (bufsize_as_string (*x));
|
|
}
|
|
|
|
uint32_t previous_size = backend->buffer_size ();
|
|
if (!buffer_size_combo.get_active_text ().empty ()) {
|
|
previous_size = get_buffer_size ();
|
|
}
|
|
|
|
set_popdown_strings (buffer_size_combo, s);
|
|
|
|
if (!s.empty ()) {
|
|
if (std::find (bs.begin (), bs.end (), previous_size) != bs.end ()) {
|
|
buffer_size_combo.set_active_text (bufsize_as_string (previous_size));
|
|
} else {
|
|
buffer_size_combo.set_active_text (s.front ());
|
|
|
|
uint32_t period = backend->buffer_size ();
|
|
if (0 == period && backend->use_separate_input_and_output_devices ()) {
|
|
period = backend->default_buffer_size (get_input_device_name ());
|
|
}
|
|
if (0 == period && backend->use_separate_input_and_output_devices ()) {
|
|
period = backend->default_buffer_size (get_output_device_name ());
|
|
}
|
|
if (0 == period && !backend->use_separate_input_and_output_devices ()) {
|
|
period = backend->default_buffer_size (get_device_name ());
|
|
}
|
|
|
|
set_active_text_if_present (buffer_size_combo, bufsize_as_string (period));
|
|
}
|
|
show_buffer_duration ();
|
|
}
|
|
update_sensitivity ();
|
|
}
|
|
|
|
void
|
|
EngineControl::set_nperiods_popdown_strings ()
|
|
{
|
|
DEBUG_ECONTROL ("set_nperiods_popdown_strings");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
vector<uint32_t> np;
|
|
vector<string> s;
|
|
|
|
if (backend->can_set_period_size ()) {
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
np = backend->available_period_sizes (get_driver (), get_output_device_name ());
|
|
} else {
|
|
np = backend->available_period_sizes (get_driver (), get_device_name ());
|
|
}
|
|
}
|
|
|
|
for (vector<uint32_t>::const_iterator x = np.begin (); x != np.end (); ++x) {
|
|
s.push_back (to_string (*x));
|
|
}
|
|
|
|
set_popdown_strings (nperiods_combo, s);
|
|
|
|
if (!s.empty ()) {
|
|
set_active_text_if_present (nperiods_combo, to_string (backend->period_size ())); // XXX
|
|
}
|
|
|
|
update_sensitivity ();
|
|
}
|
|
|
|
void
|
|
EngineControl::device_changed ()
|
|
{
|
|
SignalBlocker blocker (*this, "device_changed");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
|
|
string device_name_in;
|
|
string device_name_out; // only used if backend support separate I/O devices
|
|
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
device_name_in = get_input_device_name ();
|
|
device_name_out = get_output_device_name ();
|
|
} else {
|
|
device_name_in = get_device_name ();
|
|
}
|
|
|
|
/* we set the backend-device to query various device related intormation.
|
|
* This has the side effect that backend->device_name() will match
|
|
* the device_name and 'change_device' will never be true.
|
|
* so work around this by setting...
|
|
*/
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
if (device_name_in != backend->input_device_name () || device_name_out != backend->output_device_name ()) {
|
|
queue_device_changed = true;
|
|
}
|
|
} else {
|
|
if (device_name_in != backend->device_name ()) {
|
|
queue_device_changed = true;
|
|
}
|
|
}
|
|
|
|
//the device name must be set FIRST so ASIO can populate buffersizes and the control panel button
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
backend->set_input_device_name (device_name_in);
|
|
backend->set_output_device_name (device_name_out);
|
|
} else {
|
|
backend->set_device_name (device_name_in);
|
|
}
|
|
|
|
{
|
|
/* don't allow programmatic change to combos to cause a
|
|
recursive call to this method.
|
|
*/
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
|
|
set_samplerate_popdown_strings ();
|
|
set_buffersize_popdown_strings ();
|
|
set_nperiods_popdown_strings ();
|
|
|
|
/* TODO set min + max channel counts here */
|
|
|
|
manage_control_app_sensitivity ();
|
|
}
|
|
|
|
/* pick up any saved state for this device */
|
|
|
|
if (!ignore_changes) {
|
|
maybe_display_saved_state ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::input_device_changed ()
|
|
{
|
|
DEBUG_ECONTROL ("input_device_changed");
|
|
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
if (backend && backend->match_input_output_devices_or_none ()) {
|
|
const std::string& dev_none = ARDOUR::AudioBackend::get_standard_device_name (ARDOUR::AudioBackend::DeviceNone);
|
|
|
|
if (get_output_device_name () != dev_none && get_input_device_name () != dev_none && get_input_device_name () != get_output_device_name ()) {
|
|
block_changed_signals ();
|
|
if (contains_value (output_device_combo, get_input_device_name ())) {
|
|
output_device_combo.set_active_text (get_input_device_name ());
|
|
} else {
|
|
assert (contains_value (output_device_combo, dev_none));
|
|
output_device_combo.set_active_text (dev_none);
|
|
}
|
|
unblock_changed_signals ();
|
|
}
|
|
}
|
|
device_changed ();
|
|
}
|
|
|
|
void
|
|
EngineControl::output_device_changed ()
|
|
{
|
|
DEBUG_ECONTROL ("output_device_changed");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
if (backend && backend->match_input_output_devices_or_none ()) {
|
|
const std::string& dev_none = ARDOUR::AudioBackend::get_standard_device_name (ARDOUR::AudioBackend::DeviceNone);
|
|
|
|
if (get_input_device_name () != dev_none && get_input_device_name () != dev_none && get_input_device_name () != get_output_device_name ()) {
|
|
block_changed_signals ();
|
|
if (contains_value (input_device_combo, get_output_device_name ())) {
|
|
input_device_combo.set_active_text (get_output_device_name ());
|
|
} else {
|
|
assert (contains_value (input_device_combo, dev_none));
|
|
input_device_combo.set_active_text (dev_none);
|
|
}
|
|
unblock_changed_signals ();
|
|
}
|
|
}
|
|
device_changed ();
|
|
}
|
|
|
|
string
|
|
EngineControl::bufsize_as_string (uint32_t sz)
|
|
{
|
|
return string_compose (P_("%1 sample", "%1 samples", sz), to_string (sz));
|
|
}
|
|
|
|
void
|
|
EngineControl::sample_rate_changed ()
|
|
{
|
|
DEBUG_ECONTROL ("sample_rate_changed");
|
|
/* reset the strings for buffer size to show the correct msec value
|
|
(reflecting the new sample rate).
|
|
*/
|
|
|
|
show_buffer_duration ();
|
|
}
|
|
|
|
void
|
|
EngineControl::buffer_size_changed ()
|
|
{
|
|
DEBUG_ECONTROL ("buffer_size_changed");
|
|
if (ARDOUR::AudioEngine::instance ()->running ()) {
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
if (backend && backend->can_change_buffer_size_when_running ()) {
|
|
backend->set_buffer_size (get_buffer_size ());
|
|
}
|
|
}
|
|
show_buffer_duration ();
|
|
}
|
|
|
|
void
|
|
EngineControl::nperiods_changed ()
|
|
{
|
|
DEBUG_ECONTROL ("nperiods_changed");
|
|
show_buffer_duration ();
|
|
}
|
|
|
|
void
|
|
EngineControl::show_buffer_duration ()
|
|
{
|
|
DEBUG_ECONTROL ("show_buffer_duration");
|
|
/* buffer sizes - convert from just samples to samples + msecs for
|
|
* the displayed string
|
|
*/
|
|
|
|
string bs_text = buffer_size_combo.get_active_text ();
|
|
uint32_t samples = atoi (bs_text); /* will ignore trailing text */
|
|
uint32_t rate = get_rate ();
|
|
|
|
/* Except for ALSA and Dummy backends, we don't know the number of periods
|
|
* per cycle and settings.
|
|
*
|
|
* jack1 vs jack2 have different default latencies since jack2 start
|
|
* in async-mode unless --sync is given which adds an extra cycle
|
|
* of latency. The value is not known if jackd is started externally..
|
|
*
|
|
* So just display the period size, that's also what
|
|
* ARDOUR_UI::update_sample_rate() does for the status bar.
|
|
* (the statusbar calls AudioEngine::instance()->usecs_per_cycle()
|
|
* but still, that's the buffer period, not [round-trip] latency)
|
|
*/
|
|
char buf[32];
|
|
snprintf (buf, sizeof (buf), _("(%.1f ms)"), (samples / (rate / 1000.0f)));
|
|
buffer_size_duration_label.set_text (buf);
|
|
}
|
|
|
|
void
|
|
EngineControl::midi_option_changed ()
|
|
{
|
|
DEBUG_ECONTROL ("midi_option_changed");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
|
|
backend->set_midi_option (get_midi_option ());
|
|
|
|
vector<ARDOUR::AudioBackend::DeviceStatus> midi_devices = backend->enumerate_midi_devices ();
|
|
|
|
_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::latency_changed ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
if (!backend || !_have_control || !ARDOUR::AudioEngine::instance ()->running ()) {
|
|
return;
|
|
}
|
|
if (!backend->can_change_systemic_latency_when_running ()) {
|
|
return;
|
|
}
|
|
backend->set_systemic_input_latency (get_input_latency ());
|
|
backend->set_systemic_output_latency (get_output_latency ());
|
|
post_push ();
|
|
}
|
|
|
|
void
|
|
EngineControl::monitor_model_changed ()
|
|
{
|
|
ARDOUR::MonitorModel mm = ARDOUR::Config->get_monitoring_model ();
|
|
|
|
switch (monitor_model_combo.get_active_row_number ()) {
|
|
case 0:
|
|
mm = ARDOUR::SoftwareMonitoring;
|
|
break;
|
|
case 1:
|
|
mm = ARDOUR::ExternalMonitoring;
|
|
break;
|
|
case 2:
|
|
mm = ARDOUR::HardwareMonitoring;
|
|
break;
|
|
}
|
|
if (mm == ARDOUR::Config->get_monitoring_model ()) {
|
|
return;
|
|
}
|
|
ARDOUR::Config->set_monitoring_model (mm);
|
|
ARDOUR::Config->save_state ();
|
|
}
|
|
|
|
bool
|
|
EngineControl::set_state_for_backend (const string& backend)
|
|
{
|
|
for (StateList::const_iterator i = states.begin (); i != states.end (); ++i) {
|
|
if ((*i)->backend != backend) {
|
|
continue;
|
|
}
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
if (set_current_state (*i)) {
|
|
//push_state_to_backend (false);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
EngineControl::State
|
|
EngineControl::get_matching_state (
|
|
const string& backend,
|
|
const string& driver,
|
|
const string& device)
|
|
{
|
|
for (StateList::iterator i = states.begin (); i != states.end (); ++i) {
|
|
if ((*i)->backend == backend &&
|
|
(!_have_control || ((*i)->driver == driver && (*i)->device == device))) {
|
|
return (*i);
|
|
}
|
|
}
|
|
return State ();
|
|
}
|
|
|
|
EngineControl::State
|
|
EngineControl::get_matching_state (
|
|
const string& backend,
|
|
const string& driver,
|
|
const string& input_device,
|
|
const string& output_device)
|
|
{
|
|
for (StateList::iterator i = states.begin (); i != states.end (); ++i) {
|
|
if ((*i)->backend == backend &&
|
|
(!_have_control || ((*i)->driver == driver && ((*i)->input_device == input_device) && (*i)->output_device == output_device))) {
|
|
return (*i);
|
|
}
|
|
}
|
|
return State ();
|
|
}
|
|
|
|
EngineControl::State
|
|
EngineControl::get_saved_state_for_currently_displayed_backend_and_device ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
|
|
if (backend) {
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
return get_matching_state (backend_combo.get_active_text (),
|
|
(backend->requires_driver_selection () ? (std::string)driver_combo.get_active_text () : string ()),
|
|
input_device_combo.get_active_text (),
|
|
output_device_combo.get_active_text ());
|
|
} else {
|
|
return get_matching_state (backend_combo.get_active_text (),
|
|
(backend->requires_driver_selection () ? (std::string)driver_combo.get_active_text () : string ()),
|
|
device_combo.get_active_text ());
|
|
}
|
|
}
|
|
|
|
return get_matching_state (backend_combo.get_active_text (),
|
|
string (),
|
|
device_combo.get_active_text ());
|
|
}
|
|
|
|
bool
|
|
EngineControl::equivalent_states (const EngineControl::State& state1,
|
|
const EngineControl::State& state2)
|
|
{
|
|
if (state1->backend == state2->backend &&
|
|
state1->driver == state2->driver &&
|
|
state1->device == state2->device &&
|
|
state1->input_device == state2->input_device &&
|
|
state1->output_device == state2->output_device) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// sort active first, then most recently used to the beginning of the list
|
|
bool
|
|
EngineControl::state_sort_cmp (const State& a, const State& b)
|
|
{
|
|
if (a->active) {
|
|
return true;
|
|
} else if (b->active) {
|
|
return false;
|
|
} else {
|
|
return a->lru > b->lru;
|
|
}
|
|
}
|
|
|
|
EngineControl::State
|
|
EngineControl::save_state ()
|
|
{
|
|
State state;
|
|
|
|
if (!_have_control) {
|
|
state = get_matching_state (backend_combo.get_active_text (), string (), string ());
|
|
if (state) {
|
|
state->lru = time (NULL);
|
|
return state;
|
|
}
|
|
state.reset (new StateStruct);
|
|
state->backend = get_backend ();
|
|
} else {
|
|
state.reset (new StateStruct);
|
|
store_state (state);
|
|
}
|
|
|
|
for (StateList::iterator i = states.begin (); i != states.end ();) {
|
|
if (equivalent_states (*i, state)) {
|
|
i = states.erase (i);
|
|
} else {
|
|
++i;
|
|
}
|
|
}
|
|
|
|
states.push_back (state);
|
|
|
|
states.sort (state_sort_cmp);
|
|
|
|
return state;
|
|
}
|
|
|
|
void
|
|
EngineControl::store_state (State state)
|
|
{
|
|
state->backend = get_backend ();
|
|
state->driver = get_driver ();
|
|
state->device = get_device_name ();
|
|
state->input_device = get_input_device_name ();
|
|
state->output_device = get_output_device_name ();
|
|
state->sample_rate = get_rate ();
|
|
state->buffer_size = get_buffer_size ();
|
|
state->n_periods = get_nperiods ();
|
|
state->input_latency = get_input_latency ();
|
|
state->output_latency = get_output_latency ();
|
|
state->midi_option = get_midi_option ();
|
|
state->midi_devices = _midi_devices;
|
|
state->use_buffered_io = get_use_buffered_io ();
|
|
}
|
|
|
|
void
|
|
EngineControl::maybe_display_saved_state ()
|
|
{
|
|
if (!_have_control || ARDOUR::AudioEngine::instance ()->running ()) {
|
|
return;
|
|
}
|
|
|
|
State state = get_saved_state_for_currently_displayed_backend_and_device ();
|
|
|
|
if (state) {
|
|
DEBUG_ECONTROL ("Restoring saved state");
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
|
|
if (0 == _desired_sample_rate && sample_rate_combo.get_sensitive ()) {
|
|
sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
|
|
}
|
|
set_active_text_if_present (buffer_size_combo, bufsize_as_string (state->buffer_size));
|
|
|
|
set_active_text_if_present (nperiods_combo, to_string (state->n_periods));
|
|
/* call this explicitly because we're ignoring changes to
|
|
the controls at this point.
|
|
*/
|
|
show_buffer_duration ();
|
|
input_latency.set_value (state->input_latency);
|
|
output_latency.set_value (state->output_latency);
|
|
|
|
use_buffered_io_button.set_active (state->use_buffered_io);
|
|
|
|
if (!state->midi_option.empty ()) {
|
|
midi_option_combo.set_active_text (state->midi_option);
|
|
_midi_devices = state->midi_devices;
|
|
midi_option_changed ();
|
|
}
|
|
} else {
|
|
DEBUG_ECONTROL ("Unable to find saved state for backend and devices");
|
|
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
if (backend) {
|
|
input_latency.set_value (backend->systemic_hw_input_latency ());
|
|
output_latency.set_value (backend->systemic_hw_output_latency ());
|
|
}
|
|
}
|
|
}
|
|
|
|
XMLNode&
|
|
EngineControl::get_state () const
|
|
{
|
|
LocaleGuard lg;
|
|
|
|
XMLNode* root = new XMLNode ("AudioMIDISetup");
|
|
std::string path;
|
|
|
|
if (!states.empty ()) {
|
|
XMLNode* state_nodes = new XMLNode ("EngineStates");
|
|
|
|
for (StateList::const_iterator i = states.begin (); i != states.end (); ++i) {
|
|
XMLNode* node = new XMLNode ("State");
|
|
|
|
node->set_property ("backend", (*i)->backend);
|
|
node->set_property ("driver", (*i)->driver);
|
|
node->set_property ("device", (*i)->device);
|
|
node->set_property ("input-device", (*i)->input_device);
|
|
node->set_property ("output-device", (*i)->output_device);
|
|
node->set_property ("sample-rate", (*i)->sample_rate);
|
|
node->set_property ("buffer-size", (*i)->buffer_size);
|
|
node->set_property ("n-periods", (*i)->n_periods);
|
|
node->set_property ("input-latency", (*i)->input_latency);
|
|
node->set_property ("output-latency", (*i)->output_latency);
|
|
node->set_property ("lm-input", (*i)->lm_input);
|
|
node->set_property ("lm-output", (*i)->lm_output);
|
|
node->set_property ("active", (*i)->active);
|
|
node->set_property ("use-buffered-io", (*i)->use_buffered_io);
|
|
node->set_property ("midi-option", (*i)->midi_option);
|
|
int32_t lru_val = (*i)->active ? time (NULL) : (*i)->lru;
|
|
node->set_property ("lru", lru_val);
|
|
|
|
XMLNode* midi_devices = new XMLNode ("MIDIDevices");
|
|
for (std::vector<MidiDeviceSettings>::const_iterator p = (*i)->midi_devices.begin (); p != (*i)->midi_devices.end (); ++p) {
|
|
XMLNode* midi_device_stuff = new XMLNode ("MIDIDevice");
|
|
midi_device_stuff->set_property (X_("name"), (*p)->name);
|
|
midi_device_stuff->set_property (X_("enabled"), (*p)->enabled);
|
|
midi_device_stuff->set_property (X_("input-latency"), (*p)->input_latency);
|
|
midi_device_stuff->set_property (X_("output-latency"), (*p)->output_latency);
|
|
midi_devices->add_child_nocopy (*midi_device_stuff);
|
|
}
|
|
node->add_child_nocopy (*midi_devices);
|
|
|
|
state_nodes->add_child_nocopy (*node);
|
|
}
|
|
|
|
root->add_child_nocopy (*state_nodes);
|
|
}
|
|
|
|
return *root;
|
|
}
|
|
|
|
void
|
|
EngineControl::set_default_state ()
|
|
{
|
|
vector<string> backend_names;
|
|
vector<const ARDOUR::AudioBackendInfo*> backends = ARDOUR::AudioEngine::instance ()->available_backends ();
|
|
|
|
for (vector<const ARDOUR::AudioBackendInfo*>::const_iterator b = backends.begin (); b != backends.end (); ++b) {
|
|
backend_names.push_back ((*b)->name);
|
|
}
|
|
backend_combo.set_active_text (backend_names.front ());
|
|
|
|
// We could set default backends per platform etc here
|
|
|
|
backend_changed ();
|
|
}
|
|
|
|
bool
|
|
EngineControl::set_state (const XMLNode& root)
|
|
{
|
|
XMLNodeList clist, cclist;
|
|
XMLNodeConstIterator citer, cciter;
|
|
XMLNode const* child;
|
|
XMLNode const* grandchild;
|
|
|
|
if (root.name () != "AudioMIDISetup") {
|
|
return false;
|
|
}
|
|
|
|
clist = root.children ();
|
|
|
|
states.clear ();
|
|
|
|
for (citer = clist.begin (); citer != clist.end (); ++citer) {
|
|
child = *citer;
|
|
|
|
if (child->name () != "EngineStates") {
|
|
continue;
|
|
}
|
|
|
|
cclist = child->children ();
|
|
|
|
for (cciter = cclist.begin (); cciter != cclist.end (); ++cciter) {
|
|
State state (new StateStruct);
|
|
|
|
grandchild = *cciter;
|
|
|
|
if (grandchild->name () != "State") {
|
|
continue;
|
|
}
|
|
|
|
if (!grandchild->get_property ("backend", state->backend)) {
|
|
continue;
|
|
}
|
|
|
|
// If any of the required properties are not found in the state node
|
|
// then continue/skip to the next engine state
|
|
if (!grandchild->get_property ("driver", state->driver) ||
|
|
!grandchild->get_property ("device", state->device) ||
|
|
!grandchild->get_property ("input-device", state->input_device) ||
|
|
!grandchild->get_property ("output-device", state->output_device) ||
|
|
!grandchild->get_property ("sample-rate", state->sample_rate) ||
|
|
!grandchild->get_property ("buffer-size", state->buffer_size) ||
|
|
!grandchild->get_property ("input-latency", state->input_latency) ||
|
|
!grandchild->get_property ("output-latency", state->output_latency) ||
|
|
!grandchild->get_property ("active", state->active) ||
|
|
!grandchild->get_property ("use-buffered-io", state->use_buffered_io) ||
|
|
!grandchild->get_property ("midi-option", state->midi_option)) {
|
|
continue;
|
|
}
|
|
|
|
if (!grandchild->get_property ("n-periods", state->n_periods)) {
|
|
// optional (new value in 4.5)
|
|
state->n_periods = 0;
|
|
}
|
|
|
|
if (!grandchild->get_property ("lm-input", state->lm_input) ||
|
|
!grandchild->get_property ("lm-output", state->lm_output)) {
|
|
state->lm_input = "";
|
|
state->lm_output = "";
|
|
}
|
|
|
|
state->midi_devices.clear ();
|
|
XMLNode* midinode;
|
|
if ((midinode = ARDOUR::find_named_node (*grandchild, "MIDIDevices")) != 0) {
|
|
const XMLNodeList mnc = midinode->children ();
|
|
for (XMLNodeList::const_iterator n = mnc.begin (); n != mnc.end (); ++n) {
|
|
std::string name;
|
|
bool enabled;
|
|
uint32_t input_latency;
|
|
uint32_t output_latency;
|
|
|
|
if (!(*n)->get_property (X_("name"), name) ||
|
|
!(*n)->get_property (X_("enabled"), enabled) ||
|
|
!(*n)->get_property (X_("input-latency"), input_latency) ||
|
|
!(*n)->get_property (X_("output-latency"), output_latency)) {
|
|
continue;
|
|
}
|
|
|
|
MidiDeviceSettings ptr (
|
|
new MidiDeviceSetting (name, enabled, input_latency, output_latency));
|
|
state->midi_devices.push_back (ptr);
|
|
}
|
|
}
|
|
|
|
int32_t lru_val;
|
|
if (grandchild->get_property ("lru", lru_val)) {
|
|
state->lru = lru_val;
|
|
}
|
|
|
|
states.push_back (state);
|
|
}
|
|
}
|
|
|
|
/* now see if there was an active state and switch the setup to it */
|
|
|
|
/* purge states of backend that are not available in this built */
|
|
vector<const ARDOUR::AudioBackendInfo*> backends = ARDOUR::AudioEngine::instance ()->available_backends ();
|
|
vector<std::string> backend_names;
|
|
|
|
for (vector<const ARDOUR::AudioBackendInfo*>::const_iterator i = backends.begin (); i != backends.end (); ++i) {
|
|
backend_names.push_back ((*i)->name);
|
|
}
|
|
for (StateList::iterator i = states.begin (); i != states.end ();) {
|
|
if (std::find (backend_names.begin (), backend_names.end (), (*i)->backend) == backend_names.end ()) {
|
|
i = states.erase (i);
|
|
} else {
|
|
++i;
|
|
}
|
|
}
|
|
|
|
states.sort (state_sort_cmp);
|
|
|
|
/* purge old states referring to the same backend */
|
|
const time_t now = time (NULL);
|
|
for (vector<std::string>::const_iterator bi = backend_names.begin (); bi != backend_names.end (); ++bi) {
|
|
bool first = true;
|
|
for (StateList::iterator i = states.begin (); i != states.end ();) {
|
|
if ((*i)->backend != *bi) {
|
|
++i;
|
|
continue;
|
|
}
|
|
/* keep at latest one for every audio-system */
|
|
if (first) {
|
|
first = false;
|
|
++i;
|
|
continue;
|
|
}
|
|
|
|
/* keep states used in the last 2 weeks */
|
|
if ((now - (*i)->lru) < 86400 * 14) {
|
|
++i;
|
|
continue;
|
|
}
|
|
|
|
/* also keep state if it was used in the last 90 days
|
|
* and latency was calibrated */
|
|
if ((now - (*i)->lru) < 86400 * 90) {
|
|
if ((*i)->input_latency != 0 || (*i)->output_latency != 0) {
|
|
++i;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
assert (!(*i)->active);
|
|
i = states.erase (i);
|
|
}
|
|
}
|
|
|
|
/* active was sorted first */
|
|
for (StateList::const_iterator i = states.begin (); i != states.end (); ++i) {
|
|
/* test if the backend & device is available */
|
|
if (set_current_state (*i)) {
|
|
return 0 == push_state_to_backend (false);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
EngineControl::set_current_state (const State& state)
|
|
{
|
|
DEBUG_ECONTROL ("set_current_state");
|
|
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend;
|
|
|
|
if (!(backend = ARDOUR::AudioEngine::instance ()->set_backend (state->backend, ARDOUR_COMMAND_LINE::backend_client_name, ""))) {
|
|
DEBUG_ECONTROL (string_compose ("Unable to set backend to %1", state->backend));
|
|
// this shouldn't happen as the invalid backend names should have been
|
|
// removed from the list of states.
|
|
return false;
|
|
}
|
|
|
|
// now reflect the change in the backend in the GUI so backend_changed will
|
|
// do the right thing
|
|
backend_combo.set_active_text (state->backend);
|
|
|
|
if (!ARDOUR::AudioEngine::instance ()->setup_required ()) {
|
|
backend_changed ();
|
|
// we don't have control don't restore state
|
|
return true;
|
|
}
|
|
|
|
if (!state->driver.empty ()) {
|
|
if (!backend->requires_driver_selection ()) {
|
|
DEBUG_ECONTROL ("Backend should require driver selection");
|
|
// A backend has changed from having driver selection to not having
|
|
// it or someone has been manually editing a config file and messed
|
|
// it up
|
|
return false;
|
|
}
|
|
|
|
if (backend->set_driver (state->driver) != 0) {
|
|
DEBUG_ECONTROL (string_compose ("Unable to set driver %1", state->driver));
|
|
// Driver names for a backend have changed and the name in the
|
|
// config file is now invalid or support for driver is no longer
|
|
// included in the backend
|
|
return false;
|
|
}
|
|
// no need to set the driver_combo as backend_changed will use
|
|
// backend->driver_name to set the active driver
|
|
}
|
|
|
|
if (!state->device.empty ()) {
|
|
if (backend->set_device_name (state->device) != 0) {
|
|
DEBUG_ECONTROL (
|
|
string_compose ("Unable to set device name %1", state->device));
|
|
// device is no longer available on the system
|
|
return false;
|
|
}
|
|
// no need to set active device as it will be picked up in
|
|
// via backend_changed ()/set_device_popdown_strings
|
|
|
|
} else {
|
|
// backend supports separate input/output devices
|
|
if (backend->set_input_device_name (state->input_device) != 0) {
|
|
DEBUG_ECONTROL (string_compose ("Unable to set input device name %1",
|
|
state->input_device));
|
|
// input device is no longer available on the system
|
|
return false;
|
|
}
|
|
|
|
if (backend->set_output_device_name (state->output_device) != 0) {
|
|
DEBUG_ECONTROL (string_compose ("Unable to set output device name %1",
|
|
state->input_device));
|
|
// output device is no longer available on the system
|
|
return false;
|
|
}
|
|
// no need to set active devices as it will be picked up in via
|
|
// backend_changed ()/set_*_device_popdown_strings
|
|
}
|
|
|
|
backend_changed ();
|
|
|
|
// Now restore the state of the rest of the controls
|
|
|
|
// We don't use a SignalBlocker as set_current_state is currently only
|
|
// called from set_state before any signals are connected. If at some point
|
|
// a more general named state mechanism is implemented and
|
|
// set_current_state is called while signals are connected then a
|
|
// SignalBlocker will need to be instantiated before setting these.
|
|
|
|
device_combo.set_active_text (state->device);
|
|
input_device_combo.set_active_text (state->input_device);
|
|
output_device_combo.set_active_text (state->output_device);
|
|
if (0 == _desired_sample_rate && sample_rate_combo.get_sensitive ()) {
|
|
sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
|
|
}
|
|
set_active_text_if_present (buffer_size_combo, bufsize_as_string (state->buffer_size));
|
|
set_active_text_if_present (nperiods_combo, to_string (state->n_periods));
|
|
set_active_text_if_present (midi_option_combo, state->midi_option);
|
|
input_latency.set_value (state->input_latency);
|
|
output_latency.set_value (state->output_latency);
|
|
use_buffered_io_button.set_active (state->use_buffered_io);
|
|
|
|
return true;
|
|
}
|
|
|
|
int
|
|
EngineControl::push_state_to_backend (bool start)
|
|
{
|
|
DEBUG_ECONTROL ("push_state_to_backend");
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
PBD::Unwinder<uint32_t> protect_ignore_device_changes (ignore_device_changes, ignore_device_changes + 1);
|
|
|
|
if (!backend) {
|
|
return 0;
|
|
}
|
|
|
|
/* figure out what is going to change */
|
|
|
|
bool restart_required = false;
|
|
bool was_running = ARDOUR::AudioEngine::instance ()->running ();
|
|
bool change_driver = false;
|
|
bool change_device = false;
|
|
bool change_rate = false;
|
|
bool change_bufsize = false;
|
|
bool change_nperiods = false;
|
|
bool change_latency = false;
|
|
bool change_midi = false;
|
|
bool change_buffered_io = false;
|
|
|
|
if (_have_control) {
|
|
if (started_at_least_once) {
|
|
/* we can control the backend */
|
|
|
|
if (backend->requires_driver_selection ()) {
|
|
if (get_driver () != backend->driver_name ()) {
|
|
change_driver = true;
|
|
}
|
|
}
|
|
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
if (get_input_device_name () != backend->input_device_name ()) {
|
|
change_device = true;
|
|
}
|
|
if (get_output_device_name () != backend->output_device_name ()) {
|
|
change_device = true;
|
|
}
|
|
} else {
|
|
if (get_device_name () != backend->device_name ()) {
|
|
change_device = true;
|
|
}
|
|
}
|
|
|
|
if (queue_device_changed) {
|
|
change_device = true;
|
|
}
|
|
|
|
if (get_rate () != backend->sample_rate ()) {
|
|
change_rate = true;
|
|
}
|
|
|
|
if (get_buffer_size () != backend->buffer_size ()) {
|
|
change_bufsize = true;
|
|
}
|
|
|
|
if (backend->can_set_period_size () && get_popdown_string_count (nperiods_combo) > 0 && get_nperiods () != backend->period_size ()) {
|
|
change_nperiods = true;
|
|
}
|
|
|
|
if (get_midi_option () != backend->midi_option ()) {
|
|
change_midi = true;
|
|
}
|
|
|
|
if (backend->can_use_buffered_io ()) {
|
|
if (get_use_buffered_io () != backend->get_use_buffered_io ()) {
|
|
change_buffered_io = true;
|
|
}
|
|
}
|
|
|
|
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_latency = true;
|
|
change_midi = true;
|
|
change_buffered_io = backend->can_use_buffered_io ();
|
|
change_nperiods = backend->can_set_period_size () && get_popdown_string_count (nperiods_combo) > 0;
|
|
}
|
|
|
|
} else {
|
|
/* we have no control over the backend, meaning that we can
|
|
* only possibly change sample rate and buffer size.
|
|
*/
|
|
|
|
if (get_rate () != backend->sample_rate ()) {
|
|
change_bufsize = true;
|
|
}
|
|
|
|
if (get_buffer_size () != backend->buffer_size ()) {
|
|
change_bufsize = true;
|
|
}
|
|
}
|
|
|
|
queue_device_changed = false;
|
|
|
|
if (!_have_control) {
|
|
/* We do not have control over the backend, so the best we can
|
|
* do is try to change the sample rate and/or bufsize and get
|
|
* out of here.
|
|
*/
|
|
|
|
if (change_rate && !backend->can_change_sample_rate_when_running ()) {
|
|
return 1;
|
|
}
|
|
|
|
if (change_bufsize && !backend->can_change_buffer_size_when_running ()) {
|
|
return 1;
|
|
}
|
|
|
|
if (change_rate) {
|
|
backend->set_sample_rate (get_rate ());
|
|
}
|
|
|
|
if (change_bufsize) {
|
|
backend->set_buffer_size (get_buffer_size ());
|
|
}
|
|
|
|
if (start) {
|
|
if (ARDOUR::AudioEngine::instance ()->start ()) {
|
|
error << string_compose (_("Could not start backend engine %1"), backend->name ()) << endmsg;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
post_push ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* determine if we need to stop the backend before changing parameters */
|
|
|
|
if (change_driver || change_device || change_nperiods ||
|
|
(change_latency && !backend->can_change_systemic_latency_when_running ()) ||
|
|
(change_rate && !backend->can_change_sample_rate_when_running ()) ||
|
|
change_midi || change_buffered_io ||
|
|
(change_bufsize && !backend->can_change_buffer_size_when_running ())) {
|
|
restart_required = true;
|
|
} else {
|
|
restart_required = false;
|
|
}
|
|
|
|
if (was_running) {
|
|
if (restart_required) {
|
|
if (ARDOUR::AudioEngine::instance ()->stop ()) {
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (change_driver && backend->set_driver (get_driver ())) {
|
|
error << string_compose (_("Cannot set driver to %1"), get_driver ()) << endmsg;
|
|
return 1;
|
|
}
|
|
if (backend->use_separate_input_and_output_devices ()) {
|
|
if (change_device && backend->set_input_device_name (get_input_device_name ())) {
|
|
error << string_compose (_("Cannot set input device name to %1"), get_input_device_name ()) << endmsg;
|
|
return 1;
|
|
}
|
|
if (change_device && backend->set_output_device_name (get_output_device_name ())) {
|
|
error << string_compose (_("Cannot set output device name to %1"), get_output_device_name ()) << endmsg;
|
|
return 1;
|
|
}
|
|
} else {
|
|
if (change_device && backend->set_device_name (get_device_name ())) {
|
|
error << string_compose (_("Cannot set device name to %1"), get_device_name ()) << endmsg;
|
|
return 1;
|
|
}
|
|
}
|
|
if (change_rate && backend->set_sample_rate (get_rate ())) {
|
|
error << string_compose (_("Cannot set sample rate to %1"), get_rate ()) << endmsg;
|
|
return 1;
|
|
}
|
|
if (change_bufsize && backend->set_buffer_size (get_buffer_size ())) {
|
|
error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size ()) << endmsg;
|
|
return 1;
|
|
}
|
|
if (change_nperiods && backend->set_peridod_size (get_nperiods ())) {
|
|
error << string_compose (_("Cannot set periods to %1"), get_nperiods ()) << endmsg;
|
|
return 1;
|
|
}
|
|
|
|
if (change_latency) {
|
|
if (backend->set_systemic_input_latency (get_input_latency ())) {
|
|
error << string_compose (_("Cannot set input latency to %1"), get_input_latency ()) << endmsg;
|
|
return 1;
|
|
}
|
|
if (backend->set_systemic_output_latency (get_output_latency ())) {
|
|
error << string_compose (_("Cannot set output latency to %1"), get_output_latency ()) << endmsg;
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (change_midi) {
|
|
backend->set_midi_option (get_midi_option ());
|
|
}
|
|
|
|
if (change_buffered_io) {
|
|
backend->set_use_buffered_io (use_buffered_io_button.get_active ());
|
|
}
|
|
|
|
if (1 /* TODO */) {
|
|
for (vector<MidiDeviceSettings>::const_iterator p = _midi_devices.begin (); p != _midi_devices.end (); ++p) {
|
|
if (_measure_midi) {
|
|
/* Disable other MIDI devices while measuring.
|
|
* This is a hack to only show ports from the selected device */
|
|
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::AudioEngine::instance ()->start ()) {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
post_push ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
EngineControl::post_push ()
|
|
{
|
|
/* get a pointer to the current state object, creating one if
|
|
* necessary
|
|
*/
|
|
|
|
State state = get_saved_state_for_currently_displayed_backend_and_device ();
|
|
|
|
if (!state) {
|
|
state = save_state ();
|
|
assert (state);
|
|
} else {
|
|
store_state (state);
|
|
}
|
|
|
|
if (ARDOUR::AudioEngine::instance ()->running ()) {
|
|
/* 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;
|
|
state->lru = time (NULL);
|
|
}
|
|
|
|
states.sort (state_sort_cmp);
|
|
|
|
if (_have_control) { // XXX
|
|
manage_control_app_sensitivity ();
|
|
}
|
|
|
|
/* schedule a redisplay of MIDI ports */
|
|
//Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &EngineControl::refresh_midi_display), false), 1000);
|
|
}
|
|
|
|
float
|
|
EngineControl::get_rate () const
|
|
{
|
|
float r = atof (sample_rate_combo.get_active_text ());
|
|
/* the string may have been translated with an abbreviation for
|
|
* thousands, so use a crude heuristic to fix this.
|
|
*/
|
|
if (r < 1000.0) {
|
|
r *= 1000.0;
|
|
}
|
|
return r;
|
|
}
|
|
|
|
uint32_t
|
|
EngineControl::get_buffer_size () const
|
|
{
|
|
string txt = buffer_size_combo.get_active_text ();
|
|
uint32_t samples;
|
|
|
|
if (sscanf (txt.c_str (), "%d", &samples) != 1) {
|
|
fprintf (stderr, "Find a trout and repeatedly slap the nearest C++ who throws exceptions without catching them.\n");
|
|
fprintf (stderr, "Ardour will likely crash now, giving you time to get the trout.\n");
|
|
throw exception ();
|
|
}
|
|
|
|
return samples;
|
|
}
|
|
|
|
uint32_t
|
|
EngineControl::get_nperiods () const
|
|
{
|
|
string txt = nperiods_combo.get_active_text ();
|
|
return atoi (txt.c_str ());
|
|
}
|
|
|
|
string
|
|
EngineControl::get_midi_option () const
|
|
{
|
|
return midi_option_combo.get_active_text ();
|
|
}
|
|
|
|
bool
|
|
EngineControl::get_use_buffered_io () const
|
|
{
|
|
return use_buffered_io_button.get_active ();
|
|
}
|
|
|
|
uint32_t
|
|
EngineControl::get_input_latency () const
|
|
{
|
|
return (uint32_t)input_latency_adjustment.get_value ();
|
|
}
|
|
|
|
uint32_t
|
|
EngineControl::get_output_latency () const
|
|
{
|
|
return (uint32_t)output_latency_adjustment.get_value ();
|
|
}
|
|
|
|
string
|
|
EngineControl::get_backend () const
|
|
{
|
|
return backend_combo.get_active_text ();
|
|
}
|
|
|
|
string
|
|
EngineControl::get_driver () const
|
|
{
|
|
if (driver_combo.get_parent ()) {
|
|
return driver_combo.get_active_text ();
|
|
} else {
|
|
return "";
|
|
}
|
|
}
|
|
|
|
string
|
|
EngineControl::get_device_name () const
|
|
{
|
|
return device_combo.get_active_text ();
|
|
}
|
|
|
|
string
|
|
EngineControl::get_input_device_name () const
|
|
{
|
|
return input_device_combo.get_active_text ();
|
|
}
|
|
|
|
string
|
|
EngineControl::get_output_device_name () const
|
|
{
|
|
return output_device_combo.get_active_text ();
|
|
}
|
|
|
|
void
|
|
EngineControl::control_app_button_clicked ()
|
|
{
|
|
if (!_sensitive) {
|
|
return;
|
|
}
|
|
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
|
|
if (!backend) {
|
|
return;
|
|
}
|
|
|
|
backend->launch_control_app ();
|
|
}
|
|
|
|
void
|
|
EngineControl::on_response (int r)
|
|
{
|
|
/* Do not run ArdourDialog::on_response() which will hide us. Leave
|
|
* that to whoever invoked us, if they wish to hide us after "start".
|
|
*
|
|
* StartupFSM does hide us after response(); Window > Audio/MIDI Setup
|
|
* does not.
|
|
*/
|
|
pop_splash ();
|
|
Gtk::Dialog::on_response (r);
|
|
}
|
|
|
|
void
|
|
EngineControl::start_stop_button_clicked ()
|
|
{
|
|
if (!_sensitive) {
|
|
return;
|
|
}
|
|
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
|
|
if (!backend) {
|
|
return;
|
|
}
|
|
|
|
if (ARDOUR::AudioEngine::instance ()->running ()) {
|
|
ARDOUR::AudioEngine::instance ()->stop ();
|
|
} else {
|
|
/* whoever displayed this dialog is expected to do its own
|
|
check on whether or not the engine is running.
|
|
*/
|
|
start_engine ();
|
|
}
|
|
|
|
response (RESPONSE_OK);
|
|
}
|
|
|
|
void
|
|
EngineControl::update_devices_button_clicked ()
|
|
{
|
|
if (!_sensitive) {
|
|
return;
|
|
}
|
|
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
|
|
if (!backend) {
|
|
return;
|
|
}
|
|
assert (!ARDOUR::AudioEngine::instance ()->running ());
|
|
|
|
if (backend->update_devices ()) {
|
|
device_list_changed ();
|
|
if (set_state_for_backend (backend_combo.get_active_text ())) {
|
|
maybe_display_saved_state ();
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::try_autostart_button_clicked ()
|
|
{
|
|
if (!_sensitive) {
|
|
return;
|
|
}
|
|
|
|
ARDOUR::Config->set_try_autostart_engine (!try_autostart_button.get_active ());
|
|
try_autostart_button.set_active (ARDOUR::Config->get_try_autostart_engine ());
|
|
}
|
|
|
|
void
|
|
EngineControl::use_buffered_io_button_clicked ()
|
|
{
|
|
if (!_sensitive) {
|
|
return;
|
|
}
|
|
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
|
|
if (!backend) {
|
|
return;
|
|
}
|
|
|
|
bool set_buffered_io = !use_buffered_io_button.get_active ();
|
|
use_buffered_io_button.set_active (set_buffered_io);
|
|
backend->set_use_buffered_io (set_buffered_io);
|
|
}
|
|
|
|
void
|
|
EngineControl::manage_control_app_sensitivity ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
|
|
if (!backend) {
|
|
return;
|
|
}
|
|
|
|
string appname = backend->control_app_name ();
|
|
|
|
if (appname.empty ()) {
|
|
control_app_button.set_sensitive (false);
|
|
} else {
|
|
control_app_button.set_sensitive (true);
|
|
}
|
|
|
|
lm_button_audio.set_sensitive (backend->can_measure_systemic_latency ());
|
|
}
|
|
|
|
void
|
|
EngineControl::set_desired_sample_rate (uint32_t sr)
|
|
{
|
|
_desired_sample_rate = sr;
|
|
|
|
if (ARDOUR::AudioEngine::instance ()->running () && ARDOUR::AudioEngine::instance ()->sample_rate () != sr) {
|
|
stop_engine ();
|
|
}
|
|
|
|
device_changed ();
|
|
}
|
|
|
|
void
|
|
EngineControl::on_switch_page (GtkNotebookPage*, guint page_num)
|
|
{
|
|
if (ignore_changes) {
|
|
return;
|
|
}
|
|
if (page_num == 0) {
|
|
_measure_midi.reset ();
|
|
update_sensitivity ();
|
|
}
|
|
|
|
if (page_num == midi_tab) {
|
|
/* MIDI tab */
|
|
refresh_midi_display ();
|
|
|
|
/* undo special case from push_state_to_backend() when measuring midi latency */
|
|
if (_measure_midi && ARDOUR::AudioEngine::instance ()->running ()) {
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
if (backend->can_change_systemic_latency_when_running ()) {
|
|
for (vector<MidiDeviceSettings>::const_iterator p = _midi_devices.begin (); p != _midi_devices.end (); ++p) {
|
|
backend->set_midi_device_enabled ((*p)->name, (*p)->enabled);
|
|
}
|
|
}
|
|
}
|
|
_measure_midi.reset ();
|
|
}
|
|
|
|
if (page_num == latency_tab) {
|
|
/* latency tab */
|
|
|
|
was_running_before_lm = ARDOUR::AudioEngine::instance ()->running ();
|
|
|
|
if (ARDOUR::AudioEngine::instance ()->running ()) {
|
|
stop_engine (true);
|
|
}
|
|
|
|
{
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1);
|
|
|
|
/* save any existing latency values */
|
|
|
|
uint32_t il = (uint32_t)input_latency.get_value ();
|
|
uint32_t ol = (uint32_t)output_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 ();
|
|
}
|
|
}
|
|
}
|
|
|
|
/* latency measurement */
|
|
|
|
bool
|
|
EngineControl::check_audio_latency_measurement ()
|
|
{
|
|
MTDM* mtdm = ARDOUR::AudioEngine::instance ()->mtdm ();
|
|
|
|
if (mtdm->resolve () < 0) {
|
|
lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
|
|
return true;
|
|
}
|
|
|
|
if (mtdm->get_peak () > 0.707f) {
|
|
// get_peak() resets the peak-hold in the detector.
|
|
// this GUI callback is at 10Hz and so will be fine (test-signal is at higher freq)
|
|
lm_results.set_markup (string_compose (results_markup, _("Input signal is > -3dBFS. Lower the signal level (output gain, input gain) on the audio-interface.")));
|
|
return true;
|
|
}
|
|
|
|
if (mtdm->err () > 0.3) {
|
|
mtdm->invert ();
|
|
mtdm->resolve ();
|
|
}
|
|
|
|
char buf[256];
|
|
ARDOUR::samplecnt_t const sample_rate = ARDOUR::AudioEngine::instance ()->sample_rate ();
|
|
|
|
if (sample_rate == 0) {
|
|
lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine")));
|
|
ARDOUR::AudioEngine::instance ()->stop_latency_detection ();
|
|
return false;
|
|
}
|
|
|
|
int samples_total = mtdm->del ();
|
|
int extra = samples_total - ARDOUR::AudioEngine::instance ()->latency_signal_delay ();
|
|
|
|
snprintf (buf, sizeof (buf), "%s%d samples (%.3lf ms)\n%s%d samples (%.3lf ms)",
|
|
_("Detected roundtrip latency: "),
|
|
samples_total, samples_total * 1000.0f / sample_rate,
|
|
_("Systemic latency: "),
|
|
extra, extra * 1000.0f / sample_rate);
|
|
|
|
bool solid = true;
|
|
|
|
if (mtdm->err () > 0.2) {
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(signal detection error)"));
|
|
solid = false;
|
|
}
|
|
|
|
if (mtdm->inv ()) {
|
|
/* only warn user, in some cases the measured value is correct,
|
|
* regardless of the warning - https://github.com/Ardour/ardour/pull/656
|
|
*/
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(inverted - bad wiring)"));
|
|
}
|
|
|
|
lm_results.set_markup (string_compose (results_markup, buf));
|
|
|
|
if (solid) {
|
|
have_lm_results = true;
|
|
end_latency_detection ();
|
|
lm_use_button.set_sensitive (true);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
EngineControl::check_midi_latency_measurement ()
|
|
{
|
|
ARDOUR::MIDIDM* mididm = ARDOUR::AudioEngine::instance ()->mididm ();
|
|
|
|
if (!mididm->have_signal () || mididm->latency () == 0) {
|
|
lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
|
|
return true;
|
|
}
|
|
|
|
char buf[256];
|
|
ARDOUR::samplecnt_t const sample_rate = ARDOUR::AudioEngine::instance ()->sample_rate ();
|
|
|
|
if (sample_rate == 0) {
|
|
lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine")));
|
|
ARDOUR::AudioEngine::instance ()->stop_latency_detection ();
|
|
return false;
|
|
}
|
|
|
|
ARDOUR::samplecnt_t samples_total = mididm->latency ();
|
|
ARDOUR::samplecnt_t extra = samples_total - ARDOUR::AudioEngine::instance ()->latency_signal_delay ();
|
|
snprintf (buf, sizeof (buf), "%s%" PRId64 " samples (%.1lf ms) dev: %.2f[spl]\n%s%" PRId64 " samples (%.1lf ms)",
|
|
_("Detected roundtrip latency: "),
|
|
samples_total, samples_total * 1000.0f / sample_rate, mididm->deviation (),
|
|
_("Systemic latency: "),
|
|
extra, extra * 1000.0f / sample_rate);
|
|
|
|
bool solid = true;
|
|
|
|
if (!mididm->ok ()) {
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(averaging)"));
|
|
solid = false;
|
|
}
|
|
|
|
if (mididm->deviation () > 50.0) {
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(too large jitter)"));
|
|
solid = false;
|
|
} else if (mididm->deviation () > 10.0) {
|
|
strcat (buf, " ");
|
|
strcat (buf, _("(large jitter)"));
|
|
}
|
|
|
|
if (solid) {
|
|
have_lm_results = true;
|
|
end_latency_detection ();
|
|
lm_use_button.set_sensitive (true);
|
|
lm_results.set_markup (string_compose (results_markup, buf));
|
|
return false;
|
|
} else if (mididm->processed () > 400) {
|
|
have_lm_results = false;
|
|
end_latency_detection ();
|
|
lm_results.set_markup (string_compose (results_markup, _("Timeout - large MIDI jitter.")));
|
|
return false;
|
|
}
|
|
|
|
lm_results.set_markup (string_compose (results_markup, buf));
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
EngineControl::start_latency_detection ()
|
|
{
|
|
ARDOUR::AudioEngine::instance ()->set_latency_input_port (lm_input_channel_combo.get_active ()->get_value (lm_input_channel_cols.port_name));
|
|
ARDOUR::AudioEngine::instance ()->set_latency_output_port (lm_output_channel_combo.get_active ()->get_value (lm_output_channel_cols.port_name));
|
|
|
|
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 (!_sensitive) {
|
|
return;
|
|
}
|
|
|
|
if (!lm_running) {
|
|
start_latency_detection ();
|
|
} else {
|
|
end_latency_detection ();
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::latency_back_button_clicked ()
|
|
{
|
|
if (!_sensitive) {
|
|
return;
|
|
}
|
|
|
|
ARDOUR::AudioEngine::instance ()->stop_latency_detection ();
|
|
notebook.set_current_page (0);
|
|
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
if (backend && backend->can_change_systemic_latency_when_running ()) {
|
|
/* IFF engine was not running before latency detection, stop it */
|
|
if (!was_running_before_lm && ARDOUR::AudioEngine::instance ()->running ()) {
|
|
stop_engine ();
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::use_latency_button_clicked ()
|
|
{
|
|
if (!_sensitive) {
|
|
return;
|
|
}
|
|
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
if (_measure_midi) {
|
|
ARDOUR::MIDIDM* mididm = ARDOUR::AudioEngine::instance ()->mididm ();
|
|
if (!mididm) {
|
|
return;
|
|
}
|
|
ARDOUR::samplecnt_t samples_total = mididm->latency ();
|
|
ARDOUR::samplecnt_t extra = samples_total - ARDOUR::AudioEngine::instance ()->latency_signal_delay ();
|
|
uint32_t one_way = max ((ARDOUR::samplecnt_t)0, extra / 2);
|
|
_measure_midi->input_latency = one_way;
|
|
_measure_midi->output_latency = one_way;
|
|
if (backend->can_change_systemic_latency_when_running ()) {
|
|
backend->set_systemic_midi_input_latency (_measure_midi->name, one_way);
|
|
backend->set_systemic_midi_output_latency (_measure_midi->name, one_way);
|
|
}
|
|
notebook.set_current_page (midi_tab);
|
|
} else {
|
|
MTDM* mtdm = ARDOUR::AudioEngine::instance ()->mtdm ();
|
|
|
|
if (!mtdm) {
|
|
return;
|
|
}
|
|
|
|
double one_way = rint ((mtdm->del () - ARDOUR::AudioEngine::instance ()->latency_signal_delay ()) / 2.0);
|
|
one_way = std::max (0., one_way);
|
|
|
|
State state = get_saved_state_for_currently_displayed_backend_and_device ();
|
|
if (state) {
|
|
state->lm_input = lm_input_channel_combo.get_active ()->get_value (lm_input_channel_cols.port_name);
|
|
state->lm_output = lm_output_channel_combo.get_active ()->get_value (lm_output_channel_cols.port_name);
|
|
post_push (); /* save */
|
|
}
|
|
|
|
/* these trigger EngineControl::latency_changed, and a post_push()
|
|
* when the latency can be changed while running */
|
|
input_latency_adjustment.set_value (one_way);
|
|
output_latency_adjustment.set_value (one_way);
|
|
|
|
if (backend->can_change_systemic_latency_when_running ()) {
|
|
/* engine is running, continue to load session.
|
|
* RESPONSE_OK is a NO-OP when the dialog is displayed as Window
|
|
* from a running instance.
|
|
*/
|
|
notebook.set_current_page (0);
|
|
response (RESPONSE_OK);
|
|
return;
|
|
}
|
|
|
|
/* back to settings page */
|
|
notebook.set_current_page (0);
|
|
}
|
|
}
|
|
|
|
bool
|
|
EngineControl::on_delete_event (GdkEventAny* ev)
|
|
{
|
|
if (lm_running || notebook.get_current_page () == 2) {
|
|
/* currently measuring latency - be sure to clean up */
|
|
end_latency_detection ();
|
|
}
|
|
|
|
return ArdourDialog::on_delete_event (ev);
|
|
}
|
|
|
|
void
|
|
EngineControl::engine_running ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
|
|
set_active_text_if_present (buffer_size_combo, bufsize_as_string (backend->buffer_size ()));
|
|
sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate ()));
|
|
|
|
if (backend->can_set_period_size ()) {
|
|
set_active_text_if_present (nperiods_combo, to_string (backend->period_size ()));
|
|
}
|
|
|
|
connect_disconnect_button.set_label (string_compose (_("Disconnect from %1"), backend->name ()));
|
|
connect_disconnect_button.show ();
|
|
|
|
started_at_least_once = true;
|
|
if (_have_control) {
|
|
engine_status.set_markup (string_compose ("<span foreground=\"green\">%1</span>", _("Running")));
|
|
} else {
|
|
engine_status.set_markup (string_compose ("<span foreground=\"green\">%1</span>", _("Connected")));
|
|
}
|
|
update_sensitivity ();
|
|
}
|
|
|
|
void
|
|
EngineControl::engine_stopped ()
|
|
{
|
|
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance ()->current_backend ();
|
|
assert (backend);
|
|
|
|
connect_disconnect_button.set_label (string_compose (_("Connect to %1"), backend->name ()));
|
|
connect_disconnect_button.show ();
|
|
|
|
if (_have_control) {
|
|
engine_status.set_markup (string_compose ("<span foreground=\"red\">%1</span>", _("Stopped")));
|
|
} else {
|
|
engine_status.set_markup (X_(""));
|
|
}
|
|
|
|
update_sensitivity ();
|
|
}
|
|
|
|
void
|
|
EngineControl::device_list_changed ()
|
|
{
|
|
if (ignore_device_changes) {
|
|
return;
|
|
}
|
|
PBD::Unwinder<uint32_t> protect_ignore_changes (ignore_changes, ignore_changes + 1); // ??
|
|
if (!ARDOUR::AudioEngine::instance ()->running ()) {
|
|
list_devices ();
|
|
}
|
|
|
|
midi_option_changed ();
|
|
|
|
if (notebook.get_current_page () == midi_tab) {
|
|
if (_midi_devices.empty ()) {
|
|
notebook.set_current_page (0);
|
|
} else {
|
|
refresh_midi_display ();
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::connect_disconnect_click ()
|
|
{
|
|
if (ARDOUR::AudioEngine::instance ()->running ()) {
|
|
stop_engine ();
|
|
} else {
|
|
if (!ARDOUR_UI::instance ()->the_session ()) {
|
|
pop_splash ();
|
|
hide ();
|
|
ARDOUR::GUIIdle ();
|
|
}
|
|
start_engine ();
|
|
if (!ARDOUR_UI::instance ()->the_session ()) {
|
|
ArdourDialog::response (RESPONSE_OK);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
EngineControl::calibrate_audio_latency ()
|
|
{
|
|
_measure_midi.reset ();
|
|
have_lm_results = false;
|
|
lm_use_button.set_sensitive (false);
|
|
lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
|
|
notebook.set_current_page (latency_tab);
|
|
}
|
|
|
|
void
|
|
EngineControl::calibrate_midi_latency (MidiDeviceSettings s)
|
|
{
|
|
_measure_midi = s;
|
|
have_lm_results = false;
|
|
lm_use_button.set_sensitive (false);
|
|
lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
|
|
notebook.set_current_page (latency_tab);
|
|
}
|
|
|
|
void
|
|
EngineControl::configure_midi_devices ()
|
|
{
|
|
notebook.set_current_page (midi_tab);
|
|
}
|