X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fengine_dialog.cc;h=65fa7227a78eb3fe717ed98946ced7704cbdf441;hb=402d92889a358949af3ea7ad0dd5be88a5652626;hp=8ab92033c2f0f04c04ae3677ab28cc0209279957;hpb=e0aaed6d65f160c328cb8b56d7c6552ee15d65e2;p=ardour.git diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc index 8ab92033c2..65fa7227a7 100644 --- a/gtk2_ardour/engine_dialog.cc +++ b/gtk2_ardour/engine_dialog.cc @@ -1,36 +1,53 @@ +/* + Copyright (C) 2010 Paul Davis + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include #include #include #include #include -#include -#include -#include "pbd/xml++.h" +#include -#ifdef __APPLE__ -#include -#include -#include -#include -#else -#include -#endif +#include -#include "ardour/profile.h" -#include +#include "pbd/error.h" +#include "pbd/xml++.h" +#include "pbd/unwind.h" +#include #include +#include #include +#include "ardour/audio_backend.h" +#include "ardour/audioengine.h" +#include "ardour/mtdm.h" +#include "ardour/rc_configuration.h" +#include "ardour/types.h" + #include "pbd/convert.h" #include "pbd/error.h" -#include "pbd/pathscanner.h" - -#ifdef __APPLE -#include -#endif +#include "ardour_ui.h" #include "engine_dialog.h" +#include "gui_thread.h" #include "i18n.h" using namespace std; @@ -40,1248 +57,1428 @@ using namespace PBD; using namespace Glib; EngineControl::EngineControl () - : periods_adjustment (2, 2, 16, 1, 2), - periods_spinner (periods_adjustment), - priority_adjustment (60, 10, 90, 1, 10), - priority_spinner (priority_adjustment), - ports_adjustment (128, 8, 1024, 1, 16), - ports_spinner (ports_adjustment), - realtime_button (_("Realtime")), - no_memory_lock_button (_("Do not lock memory")), - unlock_memory_button (_("Unlock memory")), - soft_mode_button (_("No zombies")), - monitor_button (_("Provide monitor ports")), - force16bit_button (_("Force 16 bit")), - hw_monitor_button (_("H/W monitoring")), - hw_meter_button (_("H/W metering")), - verbose_output_button (_("Verbose output")), - start_button (_("Start")), - stop_button (_("Stop")), -#ifdef __APPLE__ - basic_packer (5, 2), - options_packer (4, 2), - device_packer (4, 2) -#else - basic_packer (8, 2), - options_packer (14, 2), - device_packer (6, 2) -#endif + : ArdourDialog (_("Audio/MIDI Setup")) + , basic_packer (9, 3) + , input_latency_adjustment (0, 0, 99999, 1) + , input_latency (input_latency_adjustment) + , output_latency_adjustment (0, 0, 99999, 1) + , output_latency (output_latency_adjustment) + , input_channels_adjustment (0, 0, 256, 1) + , input_channels (input_channels_adjustment) + , output_channels_adjustment (0, 0, 256, 1) + , output_channels (output_channels_adjustment) + , ports_adjustment (128, 8, 1024, 1, 16) + , ports_spinner (ports_adjustment) + , control_app_button (_("Device Control Panel")) + , lm_start_stop_label (_("Measure latency")) + , lm_use_button (_("Use results")) + , lm_table (5, 2) + , have_lm_results (false) + , midi_refresh_button (_("Refresh list")) + , aj_button (_("Start MIDI ALSA/JACK bridge")) + , ignore_changes (0) + , _desired_sample_rate (0) +{ + if (!ARDOUR::AudioEngine::instance()->setup_required()) { + _have_control = false; + } else { + _have_control = true; + } + + set_name (X_("AudioMIDISetup")); + + build_notebook (); + + get_vbox()->set_border_width (12); + get_vbox()->pack_start (notebook); + + control_app_button.signal_clicked().connect (mem_fun (*this, &EngineControl::control_app_button_clicked)); + manage_control_app_sensitivity (); + + cancel_button = add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL); + ok_button = add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK); + apply_button = add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_APPLY); + + /* Pick up any existing audio setup configuration, if appropriate */ + + XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup"); + + /* push a change as if we altered the backend */ + backend_changed (); + + if (audio_setup) { + set_state (*audio_setup); + } +} + +void +EngineControl::on_response (int response_id) +{ + ArdourDialog::on_response (response_id); + + switch (response_id) { + case RESPONSE_APPLY: + push_state_to_backend (true); + break; + case RESPONSE_OK: + push_state_to_backend (true); + hide (); + break; + case RESPONSE_DELETE_EVENT: { + GdkEventButton ev; + ev.type = GDK_BUTTON_PRESS; + ev.button = 1; + on_delete_event ((GdkEventAny*) &ev); + break; + } + default: + hide (); + } +} + +void +EngineControl::build_notebook () { using namespace Notebook_Helpers; Label* label; vector strings; int row = 0; - _used = false; - - strings.push_back (_("8000Hz")); - strings.push_back (_("22050Hz")); - strings.push_back (_("44100Hz")); - strings.push_back (_("48000Hz")); - strings.push_back (_("88200Hz")); - strings.push_back (_("96000Hz")); - strings.push_back (_("192000Hz")); - set_popdown_strings (sample_rate_combo, strings); - sample_rate_combo.set_active_text ("48000Hz"); - - strings.clear (); - strings.push_back ("32"); - strings.push_back ("64"); - strings.push_back ("128"); - strings.push_back ("256"); - strings.push_back ("512"); - strings.push_back ("1024"); - strings.push_back ("2048"); - strings.push_back ("4096"); - strings.push_back ("8192"); - set_popdown_strings (period_size_combo, strings); - period_size_combo.set_active_text ("1024"); - - strings.clear (); - strings.push_back (_("None")); - strings.push_back (_("Triangular")); - strings.push_back (_("Rectangular")); - strings.push_back (_("Shaped")); - set_popdown_strings (dither_mode_combo, strings); - dither_mode_combo.set_active_text (_("None")); - - /* basic parameters */ + vector backends = ARDOUR::AudioEngine::instance()->available_backends(); + for (vector::const_iterator b = backends.begin(); b != backends.end(); ++b) { + strings.push_back ((*b)->name); + } - basic_packer.set_spacings (6); + set_popdown_strings (backend_combo, strings); + backend_combo.set_active_text (strings.front()); - strings.clear (); -#ifdef __APPLE__ - strings.push_back (X_("CoreAudio")); -#else - strings.push_back (X_("ALSA")); - strings.push_back (X_("OSS")); - strings.push_back (X_("FFADO")); -#endif - strings.push_back (X_("NetJACK")); - strings.push_back (X_("Dummy")); - set_popdown_strings (driver_combo, strings); - driver_combo.set_active_text (strings.front()); - - driver_combo.signal_changed().connect (mem_fun (*this, &EngineControl::driver_changed)); - driver_changed (); - - strings.clear (); - strings.push_back (_("Playback/Recording on 1 Device")); - strings.push_back (_("Playback/Recording on 2 Devices")); - strings.push_back (_("Playback only")); - strings.push_back (_("Recording only")); - set_popdown_strings (audio_mode_combo, strings); - audio_mode_combo.set_active_text (strings.front()); - - audio_mode_combo.signal_changed().connect (mem_fun (*this, &EngineControl::audio_mode_changed)); - audio_mode_changed (); + basic_packer.set_spacings (6); + basic_packer.set_border_width (12); + basic_packer.set_homogeneous (true); row = 0; - label = manage (new Label (_("Driver"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (driver_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - row++; + AttachOptions xopt = AttachOptions (FILL|EXPAND); - label = manage (new Label (_("Interface"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (interface_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); + label = manage (left_aligned_label (_("Audio System:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (backend_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); row++; - label = manage (new Label (_("Sample Rate"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); + label = manage (left_aligned_label (_("Driver:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (driver_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); row++; - label = manage (new Label (_("Buffer size"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (period_size_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); + label = manage (left_aligned_label (_("Device:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (device_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); row++; -#ifndef __APPLE__ - label = manage (new Label (_("Number of buffers"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (periods_spinner, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - periods_spinner.set_value (2); + label = manage (left_aligned_label (_("Sample rate:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); row++; -#endif - label = manage (new Label (_("Approximate latency"))); - label->set_alignment (0.0, 0.5); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (latency_label, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - row++; - sample_rate_combo.signal_changed().connect (mem_fun (*this, &EngineControl::redisplay_latency)); - periods_adjustment.signal_value_changed().connect (mem_fun (*this, &EngineControl::redisplay_latency)); - period_size_combo.signal_changed().connect (mem_fun (*this, &EngineControl::redisplay_latency)); - redisplay_latency(); + label = manage (left_aligned_label (_("Buffer size:"))); + basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0); + basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions) 0); + buffer_size_duration_label.set_alignment (0.0); /* left-align */ + basic_packer.attach (buffer_size_duration_label, 2, 3, row, row+1, xopt, (AttachOptions) 0); row++; - /* no audio mode with CoreAudio, its duplex or nuthin' */ -#ifndef __APPLE__ - label = manage (new Label (_("Audio Mode"))); - basic_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - basic_packer.attach (audio_mode_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - row++; -#endif + input_channels.set_name ("InputChannels"); + input_channels.set_flags(Gtk::CAN_FOCUS); + input_channels.set_digits(0); + input_channels.set_wrap(false); + output_channels.set_editable (true); - interface_combo.set_size_request (125, -1); - input_device_combo.set_size_request (125, -1); - output_device_combo.set_size_request (125, -1); + label = manage (left_aligned_label (_("Input Channels:"))); + basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (input_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0); + ++row; - /* + output_channels.set_name ("OutputChannels"); + output_channels.set_flags(Gtk::CAN_FOCUS); + output_channels.set_digits(0); + output_channels.set_wrap(false); + output_channels.set_editable (true); - if (engine_running()) { - start_button.set_sensitive (false); - } else { - stop_button.set_sensitive (false); - } + label = manage (left_aligned_label (_("Output Channels:"))); + basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (output_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0); + ++row; - start_button.signal_clicked().connect (mem_fun (*this, &EngineControl::start_engine)); - stop_button.signal_clicked().connect (mem_fun (*this, &EngineControl::start_engine)); - */ + input_latency.set_name ("InputLatency"); + input_latency.set_flags(Gtk::CAN_FOCUS); + input_latency.set_digits(0); + input_latency.set_wrap(false); + input_latency.set_editable (true); + + label = manage (left_aligned_label (_("Hardware input latency:"))); + basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (input_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0); + label = manage (left_aligned_label (_("samples"))); + basic_packer.attach (*label, 2, 3, row, row+1, xopt, (AttachOptions) 0); + ++row; - button_box.pack_start (start_button, false, false); - button_box.pack_start (stop_button, false, false); + output_latency.set_name ("OutputLatency"); + output_latency.set_flags(Gtk::CAN_FOCUS); + output_latency.set_digits(0); + output_latency.set_wrap(false); + output_latency.set_editable (true); + + label = manage (left_aligned_label (_("Hardware output latency:"))); + basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + basic_packer.attach (output_latency, 1, 2, row, row+1, xopt, (AttachOptions) 0); + label = manage (left_aligned_label (_("samples"))); + basic_packer.attach (*label, 2, 3, row, row+1, xopt, (AttachOptions) 0); + ++row; - // basic_packer.attach (button_box, 0, 2, 8, 9, FILL|EXPAND, (AttachOptions) 0); + basic_hbox.pack_start (basic_packer, false, false); + basic_vbox.pack_start (basic_hbox, false, false); - /* options */ + Gtk::HBox* hpacker = manage (new HBox); + hpacker->set_border_width (12); + hpacker->pack_start (control_app_button, false, false); + hpacker->show (); + control_app_button.show(); + basic_vbox.pack_start (*hpacker); - options_packer.set_spacings (6); + /* latency measurement tab */ + + lm_title.set_markup (string_compose ("%1", _("Latency Measurement Tool"))); + row = 0; + lm_table.set_row_spacings (12); - options_packer.attach (realtime_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; + lm_table.attach (lm_title, 0, 2, row, row+1, xopt, (AttachOptions) 0); + row++; - realtime_button.signal_toggled().connect (mem_fun (*this, &EngineControl::realtime_changed)); - realtime_changed (); + Gtk::Label* preamble; -#ifndef __APPLE__ - label = manage (new Label (_("Realtime Priority"))); - label->set_alignment (1.0, 0.5); - options_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - options_packer.attach (priority_spinner, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; - priority_spinner.set_value (60); + preamble = manage (new Label); + preamble->set_width_chars (60); + preamble->set_line_wrap (true); + preamble->set_markup (_("Turn down the volume on your hardware to a very low level.")); - options_packer.attach (no_memory_lock_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; - options_packer.attach (unlock_memory_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; - options_packer.attach (soft_mode_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; - options_packer.attach (monitor_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; - options_packer.attach (force16bit_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; - options_packer.attach (hw_monitor_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; - options_packer.attach (hw_meter_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; - options_packer.attach (verbose_output_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; -#else - options_packer.attach (verbose_output_button, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; -#endif - - strings.clear (); - strings.push_back (_("Ignore")); - strings.push_back ("500 msec"); - strings.push_back ("1 sec"); - strings.push_back ("2 sec"); - strings.push_back ("10 sec"); - set_popdown_strings (timeout_combo, strings); - timeout_combo.set_active_text (strings.front ()); - - label = manage (new Label (_("Client timeout"))); - label->set_alignment (1.0, 0.5); - options_packer.attach (timeout_combo, 1, 2, row, row + 1, FILL|EXPAND, AttachOptions(0)); - options_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; + lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + row++; + + preamble = manage (new Label); + preamble->set_width_chars (60); + preamble->set_line_wrap (true); + preamble->set_markup (_("Select two channels below and connect them using a cable or (less ideally) a speaker and microphone.")); + + lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + row++; - label = manage (new Label (_("Number of ports"))); - label->set_alignment (1.0, 0.5); - options_packer.attach (ports_spinner, 1, 2, row, row + 1, FILL|EXPAND, AttachOptions(0)); - options_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); + label = manage (new Label (_("Output channel"))); + lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + + Gtk::Alignment* misc_align = manage (new Alignment (0.0, 0.5)); + misc_align->add (lm_output_channel_combo); + lm_table.attach (*misc_align, 1, 2, row, row+1, xopt, (AttachOptions) 0); ++row; -#ifndef __APPLE__ - label = manage (new Label (_("Dither"))); - label->set_alignment (1.0, 0.5); - options_packer.attach (dither_mode_combo, 1, 2, row, row + 1, FILL|EXPAND, AttachOptions(0)); - options_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); + label = manage (new Label (_("Input channel"))); + lm_table.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0); + + misc_align = manage (new Alignment (0.0, 0.5)); + misc_align->add (lm_input_channel_combo); + lm_table.attach (*misc_align, 1, 2, row, row+1, FILL, (AttachOptions) 0); ++row; -#endif - find_jack_servers (server_strings); + xopt = AttachOptions(0); - if (server_strings.empty()) { - fatal << _("No JACK server found anywhere on this system. Please install JACK and restart") << endmsg; - /*NOTREACHED*/ - } + lm_measure_button.add (lm_start_stop_label); - set_popdown_strings (serverpath_combo, server_strings); - serverpath_combo.set_active_text (server_strings.front()); - - if (server_strings.size() > 1) { - label = manage (new Label (_("Server:"))); - options_packer.attach (*label, 0, 1, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - label->set_alignment (0.0, 0.5); - options_packer.attach (serverpath_combo, 1, 2, row, row + 1, FILL|EXPAND, (AttachOptions) 0); - ++row; - } - - /* device settings */ + lm_measure_button.signal_toggled().connect (sigc::mem_fun (*this, &EngineControl::latency_button_toggled)); + lm_use_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::use_latency_button_clicked)); + lm_use_button.set_sensitive (false); + - device_packer.set_spacings (6); - row = 0; + preamble = manage (new Label); + preamble->set_width_chars (60); + preamble->set_line_wrap (true); + preamble->set_markup (_("Once the channels are connected, click the \"Measure latency\" button.")); + lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + row++; -#ifndef __APPLE__ - label = manage (new Label (_("Input device"))); - label->set_alignment (1.0, 0.5); - device_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0); - device_packer.attach (input_device_combo, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0); - ++row; - label = manage (new Label (_("Output device"))); - label->set_alignment (1.0, 0.5); - device_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0); - device_packer.attach (output_device_combo, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0); - ++row; -#endif - label = manage (new Label (_("Input channels"))); - label->set_alignment (1.0, 0.5); - device_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0); - device_packer.attach (input_channels, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0); - ++row; - label = manage (new Label (_("Output channels"))); - label->set_alignment (1.0, 0.5); - device_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0); - device_packer.attach (output_channels, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0); - ++row; - label = manage (new Label (_("Hardware input latency (samples)"))); - label->set_alignment (1.0, 0.5); - device_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0); - device_packer.attach (input_latency, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0); + lm_table.attach (lm_measure_button, 0, 2, row, row+1, xopt, (AttachOptions) 0); ++row; - label = manage (new Label (_("Hardware output latency (samples)"))); - label->set_alignment (1.0, 0.5); - device_packer.attach (*label, 0, 1, row, row+1, FILL|EXPAND, (AttachOptions) 0); - device_packer.attach (output_latency, 1, 2, row, row+1, FILL|EXPAND, (AttachOptions) 0); + lm_table.attach (lm_results, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); ++row; - basic_hbox.pack_start (basic_packer, false, false); - options_hbox.pack_start (options_packer, false, false); - - device_packer.set_border_width (12); - options_packer.set_border_width (12); - basic_packer.set_border_width (12); - notebook.pages().push_back (TabElem (basic_hbox, _("Device"))); - notebook.pages().push_back (TabElem (options_hbox, _("Options"))); - notebook.pages().push_back (TabElem (device_packer, _("Advanced"))); - notebook.set_border_width (12); + preamble = manage (new Label); + preamble->set_width_chars (60); + preamble->set_line_wrap (true); + preamble->set_markup (_("When satisfied with the results, click the \"Use results\" button.")); + lm_table.attach (*preamble, 0, 2, row, row+1, AttachOptions(FILL|EXPAND), (AttachOptions) 0); + row++; - set_border_width (12); - pack_start (notebook); -} + lm_table.attach (lm_use_button, 0, 2, row, row+1, xopt, (AttachOptions) 0); + ++row; -EngineControl::~EngineControl () -{ + lm_results.set_markup ("No measurement results yet"); -} + lm_vbox.set_border_width (12); + lm_vbox.pack_start (lm_table, false, false); -void -EngineControl::build_command_line (vector& cmd) -{ - string str; - string driver; - bool using_oss = false; - bool using_alsa = false; - bool using_coreaudio = false; - bool using_netjack = false; - bool using_ffado = false; - bool using_dummy = false; - - /* first, path to jackd */ - - cmd.push_back (serverpath_combo.get_active_text ()); - - /* now jackd arguments */ - - str = timeout_combo.get_active_text (); - if (str != _("Ignore")) { - double secs = 0; - uint32_t msecs; - secs = atof (str); - msecs = (uint32_t) floor (secs * 1000.0); - cmd.push_back ("-t"); - cmd.push_back (to_string (msecs, std::dec)); - } + /* pack it all up */ - if (no_memory_lock_button.get_active()) { - cmd.push_back ("-m"); /* no munlock */ - } - - cmd.push_back ("-p"); /* port max */ - cmd.push_back (to_string ((uint32_t) floor (ports_spinner.get_value()), std::dec)); + notebook.pages().push_back (TabElem (basic_vbox, _("Audio"))); + notebook.pages().push_back (TabElem (midi_vbox, _("MIDI"))); + notebook.pages().push_back (TabElem (lm_vbox, _("Latency"))); + notebook.set_border_width (12); - if (realtime_button.get_active()) { - cmd.push_back ("-R"); - cmd.push_back ("-P"); - cmd.push_back (to_string ((uint32_t) floor (priority_spinner.get_value()), std::dec)); - } + notebook.set_tab_pos (POS_RIGHT); + notebook.show_all (); - if (unlock_memory_button.get_active()) { - cmd.push_back ("-u"); - } + notebook.set_name ("SettingsNotebook"); - if (verbose_output_button.get_active()) { - cmd.push_back ("-v"); - } - - /* now add fixed arguments (not user-selectable) */ + /* Connect to signals */ - cmd.push_back ("-T"); // temporary */ + backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed)); + driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed)); + sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed)); + buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed)); + device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed)); - /* next the driver */ + input_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + input_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); - cmd.push_back ("-d"); + input_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &input_channels)); + output_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &output_channels)); - driver = driver_combo.get_active_text (); - if (driver == X_("ALSA")) { - using_alsa = true; - cmd.push_back ("alsa"); - } else if (driver == X_("OSS")) { - using_oss = true; - cmd.push_back ("oss"); - } else if (driver == X_("CoreAudio")) { - using_coreaudio = true; - cmd.push_back ("coreaudio"); - } else if (driver == X_("NetJACK")) { - using_netjack = true; - cmd.push_back ("netjack"); - } else if (driver == X_("FFADO")) { - using_ffado = true; + notebook.signal_switch_page().connect (sigc::mem_fun (*this, &EngineControl::on_switch_page)); +} - /* do this until FFADO becomes the standard */ +EngineControl::~EngineControl () +{ - char* hack = getenv ("ARDOUR_FIREWIRE_DRIVER_NAME"); +} - if (hack) { - cmd.push_back (hack); - } else { - cmd.push_back ("freebob"); - } +void +EngineControl::disable_latency_tab () +{ + vector empty; + set_popdown_strings (lm_output_channel_combo, empty); + set_popdown_strings (lm_input_channel_combo, empty); + lm_measure_button.set_sensitive (false); + lm_use_button.set_sensitive (false); +} - } else if ( driver == X_("Dummy")) { - using_dummy = true; - cmd.push_back ("dummy"); - } +void +EngineControl::enable_latency_tab () +{ + vector outputs; + ARDOUR::AudioEngine::instance()->get_physical_outputs (ARDOUR::DataType::AUDIO, outputs); + set_popdown_strings (lm_output_channel_combo, outputs); + lm_output_channel_combo.set_active_text (outputs.front()); - /* driver arguments */ + vector inputs; + ARDOUR::AudioEngine::instance()->get_physical_inputs (ARDOUR::DataType::AUDIO, inputs); + set_popdown_strings (lm_input_channel_combo, inputs); + lm_input_channel_combo.set_active_text (inputs.front()); - if (!using_coreaudio) { - str = audio_mode_combo.get_active_text(); - - if (str == _("Playback/Recording on 1 Device")) { - - /* relax */ - - } else if (str == _("Playback/Recording on 2 Devices")) { - - string input_device = get_device_name (driver, input_device_combo.get_active_text()); - string output_device = get_device_name (driver, output_device_combo.get_active_text()); + lm_measure_button.set_sensitive (true); +} - if (input_device.empty() || output_device.empty()) { - cmd.clear (); - return; - } +void +EngineControl::setup_midi_tab_for_backend () +{ + string backend = backend_combo.get_active_text (); - cmd.push_back ("-C"); - cmd.push_back (input_device); - cmd.push_back ("-P"); - cmd.push_back (output_device); + Gtkmm2ext::container_clear (midi_vbox); - } else if (str == _("Playback only")) { - cmd.push_back ("-P"); - } else if (str == _("Recording only")) { - cmd.push_back ("-C"); - } + midi_vbox.set_border_width (12); + midi_device_table.set_border_width (12); - if (! using_dummy ) { - cmd.push_back ("-n"); - cmd.push_back (to_string ((uint32_t) floor (periods_spinner.get_value()), std::dec)); - } + if (backend == "JACK") { + setup_midi_tab_for_jack (); } - cmd.push_back ("-r"); - cmd.push_back (to_string (get_rate(), std::dec)); - - cmd.push_back ("-p"); - cmd.push_back (period_size_combo.get_active_text()); - - if (using_alsa) { - - if (audio_mode_combo.get_active_text() != _("Playback/Recording on 2 Devices")) { - - string device = get_device_name (driver, interface_combo.get_active_text()); - if (device.empty()) { - cmd.clear (); - return; - } - - cmd.push_back ("-d"); - cmd.push_back (device); - } - - if (hw_meter_button.get_active()) { - cmd.push_back ("-M"); - } - - if (hw_monitor_button.get_active()) { - cmd.push_back ("-H"); - } - - str = dither_mode_combo.get_active_text(); + midi_vbox.pack_start (midi_device_table, true, true); + midi_vbox.pack_start (midi_refresh_button, false, false); + midi_vbox.show_all (); - if (str == _("None")) { - } else if (str == _("Triangular")) { - cmd.push_back ("-z triangular"); - } else if (str == _("Rectangular")) { - cmd.push_back ("-z rectangular"); - } else if (str == _("Shaped")) { - cmd.push_back ("-z shaped"); - } + midi_refresh_button.signal_clicked().connect (sigc::mem_fun (*this, &EngineControl::refresh_midi_display)); +} - if (force16bit_button.get_active()) { - cmd.push_back ("-S"); - } - - if (soft_mode_button.get_active()) { - cmd.push_back ("-s"); - } +void +EngineControl::setup_midi_tab_for_jack () +{ + midi_vbox.pack_start (aj_button, false, false); +} - } else if (using_coreaudio) { +void +EngineControl::refresh_midi_display () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); -#ifdef __APPLE__ - // note: older versions of the CoreAudio JACK backend use -n instead of -d here - - string device = get_device_name (driver, interface_combo.get_active_text()); - if (device.empty()) { - cmd.clear (); - return; - } + vector midi_inputs; + vector midi_outputs; + int row = 0; + AttachOptions xopt = AttachOptions (FILL|EXPAND); + Gtk::Label* l; - cmd.push_back ("-d"); - cmd.push_back (device); -#endif + Gtkmm2ext::container_clear (midi_device_table); - } else if (using_oss) { + backend->get_physical_inputs (ARDOUR::DataType::MIDI, midi_inputs); + backend->get_physical_outputs (ARDOUR::DataType::MIDI, midi_outputs); - } else if (using_netjack) { + midi_device_table.set_spacings (6); + midi_device_table.set_homogeneous (true); + midi_device_table.resize (midi_inputs.size() + midi_outputs.size() + 3, 1); + l = manage (new Label); + l->set_markup (string_compose ("%1", _("MIDI Inputs"))); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->set_alignment (0, 0.5); + row++; + l->show (); + + for (vector::iterator p = midi_inputs.begin(); p != midi_inputs.end(); ++p) { + l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1))); + l->set_alignment (0, 0.5); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->show (); + row++; } -} -bool -EngineControl::engine_running () -{ - jack_status_t status; - jack_client_t* c = jack_client_open ("ardourprobe", JackNoStartServer, &status); + row++; // extra row of spacing - if (status == 0) { - jack_client_close (c); - return true; + l = manage (new Label); + l->set_markup (string_compose ("%1", _("MIDI Outputs"))); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->set_alignment (0, 0.5); + row++; + l->show (); + + for (vector::iterator p = midi_outputs.begin(); p != midi_outputs.end(); ++p) { + l = manage (new Label ((*p).substr ((*p).find_last_of (':') + 1))); + l->set_alignment (0, 0.5); + midi_device_table.attach (*l, 0, 1, row, row + 1, xopt, AttachOptions (0)); + l->show (); + row++; } - return false; } -int -EngineControl::setup_engine () +void +EngineControl::backend_changed () { - vector args; - std::string cwd = "/tmp"; - - build_command_line (args); - - if (args.empty()) { - return 1; // try again + if (ignore_changes) { + return; } - Glib::ustring jackdrc_path = Glib::get_home_dir(); - jackdrc_path += "/.jackdrc"; + string backend_name = backend_combo.get_active_text(); + boost::shared_ptr backend; - ofstream jackdrc (jackdrc_path.c_str()); - if (!jackdrc) { - error << string_compose (_("cannot open JACK rc file %1 to store parameters"), jackdrc_path) << endmsg; - return -1; - } - cerr << "JACK COMMAND: "; - for (vector::iterator i = args.begin(); i != args.end(); ++i) { - cerr << (*i) << ' '; - jackdrc << (*i) << ' '; + if (!(backend = ARDOUR::AudioEngine::instance()->set_backend (backend_name, "ardour", ""))) { + /* eh? setting the backend failed... how ? */ + return; } - cerr << endl; - jackdrc << endl; - jackdrc.close (); - _used = true; + setup_midi_tab_for_backend (); - return 0; + if (backend->requires_driver_selection()) { + vector drivers = backend->enumerate_drivers(); + driver_combo.set_sensitive (true); + set_popdown_strings (driver_combo, drivers); + driver_combo.set_active_text (drivers.front()); + driver_changed (); + } else { + driver_combo.set_sensitive (false); + list_devices (); + } + + maybe_display_saved_state (); } -void -EngineControl::realtime_changed () +bool +EngineControl::print_channel_count (Gtk::SpinButton* sb) { -#ifndef __APPLE__ - priority_spinner.set_sensitive (realtime_button.get_active()); -#endif + uint32_t cnt = (uint32_t) sb->get_value(); + if (cnt == 0) { + sb->set_text (_("all available channels")); + } else { + char buf[32]; + snprintf (buf, sizeof (buf), "%d", cnt); + sb->set_text (buf); + } + return true; } void -EngineControl::enumerate_devices (const string& driver) +EngineControl::list_devices () { - /* note: case matters for the map keys */ - - if (driver == "CoreAudio") { -#ifdef __APPLE__ - devices[driver] = enumerate_coreaudio_devices (); -#endif - -#ifndef __APPLE__ - } else if (driver == "ALSA") { - devices[driver] = enumerate_alsa_devices (); - } else if (driver == "FFADO") { - devices[driver] = enumerate_ffado_devices (); - } else if (driver == "OSS") { - devices[driver] = enumerate_oss_devices (); - } else if (driver == "Dummy") { - devices[driver] = enumerate_dummy_devices (); - } else if (driver == "NetJACK") { - devices[driver] = enumerate_netjack_devices (); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + + /* now fill out devices, mark sample rates, buffer sizes insensitive */ + + vector 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 available_devices; + + for (vector::const_iterator i = all_devices.begin(); i != all_devices.end(); ++i) { + available_devices.push_back (i->name); } -#else - } -#endif -} -#ifdef __APPLE__ -static OSStatus -getDeviceUIDFromID( AudioDeviceID id, char *name, size_t nsize) -{ - UInt32 size = sizeof(CFStringRef); - CFStringRef UI; - OSStatus res = AudioDeviceGetProperty(id, 0, false, - kAudioDevicePropertyDeviceUID, &size, &UI); - if (res == noErr) - CFStringGetCString(UI,name,nsize,CFStringGetSystemEncoding()); - CFRelease(UI); - return res; + ignore_changes++; + set_popdown_strings (device_combo, available_devices); + ignore_changes--; + + if (!available_devices.empty()) { + sample_rate_combo.set_sensitive (true); + buffer_size_combo.set_sensitive (true); + input_latency.set_sensitive (true); + output_latency.set_sensitive (true); + input_channels.set_sensitive (true); + output_channels.set_sensitive (true); + + /* changing the text in the combo will trigger device_changed() + which should populate the parameter controls + */ + + device_combo.set_active_text (available_devices.front()); + } else { + sample_rate_combo.set_sensitive (true); + buffer_size_combo.set_sensitive (true); + input_latency.set_sensitive (true); + output_latency.set_sensitive (true); + input_channels.set_sensitive (true); + output_channels.set_sensitive (true); + } } - -vector -EngineControl::enumerate_coreaudio_devices () -{ - vector devs; - // Find out how many Core Audio devices are there, if any... - // (code snippet gently "borrowed" from St?hane Letz jackdmp;) - OSStatus err; - Boolean isWritable; - size_t outSize = sizeof(isWritable); - - backend_devs.clear (); - - err = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices, - &outSize, &isWritable); - if (err == noErr) { - // Calculate the number of device available... - int numCoreDevices = outSize / sizeof(AudioDeviceID); - // Make space for the devices we are about to get... - AudioDeviceID *coreDeviceIDs = new AudioDeviceID [numCoreDevices]; - err = AudioHardwareGetProperty(kAudioHardwarePropertyDevices, - &outSize, (void *) coreDeviceIDs); - if (err == noErr) { - // Look for the CoreAudio device name... - char coreDeviceName[256]; - size_t nameSize; - - for (int i = 0; i < numCoreDevices; i++) { - - nameSize = sizeof (coreDeviceName); - - /* enforce duplex devices only */ - - err = AudioDeviceGetPropertyInfo(coreDeviceIDs[i], - 0, true, kAudioDevicePropertyStreams, - &outSize, &isWritable); - - if (err != noErr || outSize == 0) { - continue; - } - - err = AudioDeviceGetPropertyInfo(coreDeviceIDs[i], - 0, false, kAudioDevicePropertyStreams, - &outSize, &isWritable); - - if (err != noErr || outSize == 0) { - continue; - } - - err = AudioDeviceGetPropertyInfo(coreDeviceIDs[i], - 0, true, kAudioDevicePropertyDeviceName, - &outSize, &isWritable); - if (err == noErr) { - err = AudioDeviceGetProperty(coreDeviceIDs[i], - 0, true, kAudioDevicePropertyDeviceName, - &nameSize, (void *) coreDeviceName); - if (err == noErr) { - char drivername[128]; - - // this returns the unique id for the device - // that must be used on the commandline for jack - - if (getDeviceUIDFromID(coreDeviceIDs[i], drivername, sizeof (drivername)) == noErr) { - devs.push_back (coreDeviceName); - backend_devs.push_back (drivername); - } - } - } - } - } - delete [] coreDeviceIDs; +void +EngineControl::driver_changed () +{ + if (ignore_changes) { + return; } + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); - if (devs.size() == 0) { - MessageDialog msg (_("\ -You do not have any audio devices capable of\n\ -simultaneous playback and recording.\n\n\ -Please use Applications -> Utilities -> Audio MIDI Setup\n\ -to create an \"aggregrate\" device, or install a suitable\n\ -audio interface.\n\n\ -Please send email to Apple and ask them why new Macs\n\ -have no duplex audio device.\n\n\ -Alternatively, if you really want just playback\n\ -or recording but not both, start JACK before running\n\ -Ardour and choose the relevant device then." - ), - true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK); - msg.set_title (_("No suitable audio devices")); - msg.set_position (Gtk::WIN_POS_MOUSE); - msg.run (); - exit (1); - } - + backend->set_driver (driver_combo.get_active_text()); + list_devices (); - return devs; + maybe_display_saved_state (); } -#else -vector -EngineControl::enumerate_alsa_devices () -{ - vector devs; - snd_ctl_t *handle; - snd_ctl_card_info_t *info; - snd_pcm_info_t *pcminfo; - snd_ctl_card_info_alloca(&info); - snd_pcm_info_alloca(&pcminfo); - string devname; - int cardnum = -1; - int device = -1; - - backend_devs.clear (); +void +EngineControl::device_changed () +{ + if (ignore_changes) { + return; + } - while (snd_card_next (&cardnum) >= 0 && cardnum >= 0) { + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + assert (backend); + string device_name = device_combo.get_active_text (); + vector s; - devname = "hw:"; - devname += to_string (cardnum, std::dec); + /* don't allow programmatic change to sample_rate_combo to cause a + recursive call to this method. + */ + + ignore_changes++; - if (snd_ctl_open (&handle, devname.c_str(), 0) >= 0 && snd_ctl_card_info (handle, info) >= 0) { + /* sample rates */ + + string desired; - while (snd_ctl_pcm_next_device (handle, &device) >= 0 && device >= 0) { + vector sr = backend->available_sample_rates (device_name); + for (vector::const_iterator x = sr.begin(); x != sr.end(); ++x) { + s.push_back (rate_as_string (*x)); + if (*x == _desired_sample_rate) { + desired = s.back(); + } + } - bool have_playback = false; - bool have_capture = false; + if (!s.empty()) { + set_popdown_strings (sample_rate_combo, s); + + if (desired.empty()) { + sample_rate_combo.set_active_text (s.front()); + } else { + sample_rate_combo.set_active_text (desired); + } + } else { + /* hmm ... how to tell the user about the fact that we have no + * available sample rates. + */ + } + - /* find duplex devices only */ + vector bs = backend->available_buffer_sizes(device_name); + s.clear (); + for (vector::const_iterator x = bs.begin(); x != bs.end(); ++x) { + s.push_back (bufsize_as_string (*x)); + } - snd_pcm_info_set_device (pcminfo, device); - snd_pcm_info_set_subdevice (pcminfo, 0); - snd_pcm_info_set_stream (pcminfo, SND_PCM_STREAM_CAPTURE); + if (!s.empty()) { + set_popdown_strings (buffer_size_combo, s); + buffer_size_combo.set_active_text (s.front()); + show_buffer_duration (); + } else { + /* hmm ... how to tell the user about the fact that we have no + * available buffer sizes. + */ + } - if (snd_ctl_pcm_info (handle, pcminfo) >= 0) { - have_capture = true; - } + manage_control_app_sensitivity (); - snd_pcm_info_set_device (pcminfo, device); - snd_pcm_info_set_subdevice (pcminfo, 0); - snd_pcm_info_set_stream (pcminfo, SND_PCM_STREAM_PLAYBACK); + ignore_changes--; - if (snd_ctl_pcm_info (handle, pcminfo) >= 0) { - have_playback = true; - } + /* pick up any saved state for this device */ - if (have_capture && have_playback) { - devs.push_back (snd_pcm_info_get_name (pcminfo)); - devname += ','; - devname += to_string (device, std::dec); - backend_devs.push_back (devname); - } - } + maybe_display_saved_state (); - snd_ctl_close(handle); - } - } + /* and push it to the backend */ - return devs; -} + push_state_to_backend (false); +} -vector -EngineControl::enumerate_ffado_devices () +string +EngineControl::rate_as_string (float r) { - vector devs; - backend_devs.clear (); - return devs; + char buf[32]; + if (fmod (r, 1000.0f)) { + snprintf (buf, sizeof (buf), "%.1f kHz", r/1000.0); + } else { + snprintf (buf, sizeof (buf), "%.0f kHz", r/1000.0); + } + return buf; } -vector -EngineControl::enumerate_freebob_devices () -{ - vector devs; - return devs; -} -vector -EngineControl::enumerate_oss_devices () -{ - vector devs; - return devs; -} -vector -EngineControl::enumerate_dummy_devices () -{ - vector devs; - return devs; -} -vector -EngineControl::enumerate_netjack_devices () +string +EngineControl::bufsize_as_string (uint32_t sz) { - vector devs; - return devs; + /* Translators: "samples" is always plural here, so no + need for plural+singular forms. + */ + char buf[32]; + snprintf (buf, sizeof (buf), _("%u samples"), sz); + return buf; } -#endif -void -EngineControl::driver_changed () +void +EngineControl::sample_rate_changed () { - string driver = driver_combo.get_active_text(); - string::size_type maxlen = 0; - int maxindex = -1; - int n = 0; - - enumerate_devices (driver); - - vector& strings = devices[driver]; - - if (strings.empty() && driver != "FFADO" && driver != "Dummy") { - error << string_compose (_("No devices found for driver \"%1\""), driver) << endmsg; + if (ignore_changes) { return; } - - for (vector::iterator i = strings.begin(); i != strings.end(); ++i, ++n) { - if ((*i).length() > maxlen) { - maxlen = (*i).length(); - maxindex = n; - } - } - set_popdown_strings (interface_combo, strings); - set_popdown_strings (input_device_combo, strings); - set_popdown_strings (output_device_combo, strings); + /* reset the strings for buffer size to show the correct msec value + (reflecting the new sample rate). + */ + + show_buffer_duration (); + save_state (); - if (!strings.empty()) { - interface_combo.set_active_text (strings.front()); - input_device_combo.set_active_text (strings.front()); - output_device_combo.set_active_text (strings.front()); - } - - if (driver == "ALSA") { - soft_mode_button.set_sensitive (true); - force16bit_button.set_sensitive (true); - hw_monitor_button.set_sensitive (true); - hw_meter_button.set_sensitive (true); - monitor_button.set_sensitive (true); - } else { - soft_mode_button.set_sensitive (false); - force16bit_button.set_sensitive (false); - hw_monitor_button.set_sensitive (false); - hw_meter_button.set_sensitive (false); - monitor_button.set_sensitive (false); - } } -uint32_t -EngineControl::get_rate () +void +EngineControl::buffer_size_changed () { - return atoi (sample_rate_combo.get_active_text ()); + if (ignore_changes) { + return; + } + + show_buffer_duration (); + save_state (); } void -EngineControl::redisplay_latency () +EngineControl::show_buffer_duration () { + + /* buffer sizes - convert from just samples to samples + msecs for + * the displayed string + */ + + string bs_text = buffer_size_combo.get_active_text (); + uint32_t samples = atoi (bs_text); /* will ignore trailing text */ uint32_t rate = get_rate(); -#ifdef __APPLE_ - float periods = 2; -#else - float periods = periods_adjustment.get_value(); -#endif - float period_size = atof (period_size_combo.get_active_text()); + /* Translators: "msecs" is ALWAYS plural here, so we do not + need singular form as well. + */ + /* Developers: note the hard-coding of a double buffered model + in the (2 * samples) computation of latency. we always start + the audiobackend in this configuration. + */ char buf[32]; - snprintf (buf, sizeof(buf), "%.1fmsec", (periods * period_size) / (rate/1000.0)); - - latency_label.set_text (buf); + snprintf (buf, sizeof (buf), _("(%.1f msecs)"), (2 * samples) / (rate/1000.0)); + buffer_size_duration_label.set_text (buf); } void -EngineControl::audio_mode_changed () +EngineControl::parameter_changed () { - Glib::ustring str = audio_mode_combo.get_active_text(); - - if (str == _("Playback/Recording on 1 Device")) { - input_device_combo.set_sensitive (false); - output_device_combo.set_sensitive (false); - } else if (str == _("Playback/Recording on 2 Devices")) { - input_device_combo.set_sensitive (true); - output_device_combo.set_sensitive (true); - } else if (str == _("Playback only")) { - output_device_combo.set_sensitive (true); - } else if (str == _("Recording only")) { - input_device_combo.set_sensitive (true); + if (!ignore_changes) { + save_state (); } } -static bool jack_server_filter(const string& str, void *arg) +EngineControl::State* +EngineControl::get_matching_state (const string& backend, + const string& driver, + const string& device) { - return str == "jackd" || str == "jackdmp"; + for (StateList::iterator i = states.begin(); i != states.end(); ++i) { + if ((*i).backend == backend && + (*i).driver == driver && + (*i).device == device) { + return &(*i); + } + } + return 0; } -void -EngineControl::find_jack_servers (vector& strings) +EngineControl::State* +EngineControl::get_saved_state_for_currently_displayed_backend_and_device () { -#ifdef __APPLE__ - /* this magic lets us finds the path to the OSX bundle, and then - we infer JACK's location from there - */ - - char execpath[MAXPATHLEN+1]; - uint32_t pathsz = sizeof (execpath); + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - _NSGetExecutablePath (execpath, &pathsz); - - string path (Glib::path_get_dirname (execpath)); - path += "/jackd"; + if (backend) { + return get_matching_state (backend_combo.get_active_text(), + (backend->requires_driver_selection() ? (std::string) driver_combo.get_active_text() : string()), + device_combo.get_active_text()); + } - if (Glib::file_test (path, FILE_TEST_EXISTS)) { - strings.push_back (path); - } - if (getenv ("ARDOUR_WITH_JACK")) { - /* no other options - only use the JACK we supply */ - if (strings.empty()) { - fatal << _("JACK appears to be missing from the Ardour bundle") << endmsg; - /*NOTREACHED*/ - } - return; + return get_matching_state (backend_combo.get_active_text(), + string(), + device_combo.get_active_text()); +} + +EngineControl::State* +EngineControl::save_state () +{ + bool existing = true; + State* state = get_saved_state_for_currently_displayed_backend_and_device (); + + if (!state) { + existing = false; + state = new State; } -#else - string path; -#endif - PathScanner scanner; - vector *jack_servers; - std::map un; - char *p; - bool need_minimal_path = false; - - p = getenv ("PATH"); + store_state (*state); - if (p && *p) { - path = p; - } else { - need_minimal_path = true; + if (!existing) { + states.push_back (*state); } -#ifdef __APPLE__ - // many mac users don't have PATH set up to include - // likely installed locations of JACK - need_minimal_path = true; -#endif + return state; +} - if (need_minimal_path) { - if (path.empty()) { - path = "/usr/bin:/bin:/usr/local/bin:/opt/local/bin"; - } else { - path += ":/usr/local/bin:/opt/local/bin"; - } - } +void +EngineControl::store_state (State& state) +{ + state.backend = get_backend (); + state.driver = get_driver (); + state.device = get_device_name (); + state.sample_rate = get_rate (); + state.buffer_size = get_buffer_size (); + state.input_latency = get_input_latency (); + state.output_latency = get_output_latency (); + state.input_channels = get_input_channels (); + state.output_channels = get_output_channels (); +} -#ifdef __APPLE__ - // push it back into the environment so that auto-started JACK can find it. - // XXX why can't we just expect OS X users to have PATH set correctly? we can't ... - setenv ("PATH", path.c_str(), 1); -#endif +void +EngineControl::maybe_display_saved_state () +{ + State* state = get_saved_state_for_currently_displayed_backend_and_device (); - jack_servers = scanner (path, jack_server_filter, 0, false, true); - - vector::iterator iter; + if (state) { + ignore_changes++; + if (!_desired_sample_rate) { + sample_rate_combo.set_active_text (rate_as_string (state->sample_rate)); + } + buffer_size_combo.set_active_text (bufsize_as_string (state->buffer_size)); + /* call this explicitly because we're ignoring changes to + the controls at this point. + */ + show_buffer_duration (); + input_latency.set_value (state->input_latency); + output_latency.set_value (state->output_latency); + ignore_changes--; + } +} - for (iter = jack_servers->begin(); iter != jack_servers->end(); iter++) { - string p = **iter; +XMLNode& +EngineControl::get_state () +{ + XMLNode* root = new XMLNode ("AudioMIDISetup"); + std::string path; + + if (!states.empty()) { + XMLNode* state_nodes = new XMLNode ("EngineStates"); - if (un[p]++ == 0) { - strings.push_back(p); + for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) { + + XMLNode* node = new XMLNode ("State"); + + node->add_property ("backend", (*i).backend); + node->add_property ("driver", (*i).driver); + node->add_property ("device", (*i).device); + node->add_property ("sample-rate", (*i).sample_rate); + node->add_property ("buffer-size", (*i).buffer_size); + node->add_property ("input-latency", (*i).input_latency); + node->add_property ("output-latency", (*i).output_latency); + node->add_property ("input-channels", (*i).input_channels); + node->add_property ("output-channels", (*i).output_channels); + node->add_property ("active", (*i).active ? "yes" : "no"); + + state_nodes->add_child_nocopy (*node); } + + root->add_child_nocopy (*state_nodes); } -} + return *root; +} -string -EngineControl::get_device_name (const string& driver, const string& human_readable) +void +EngineControl::set_state (const XMLNode& root) { - vector::iterator n; - vector::iterator i; + XMLNodeList clist, cclist; + XMLNodeConstIterator citer, cciter; + XMLNode* child; + XMLNode* grandchild; + XMLProperty* prop = NULL; - if (human_readable.empty()) { - /* this can happen if the user's .ardourrc file has a device name from - another computer system in it - */ - MessageDialog msg (_("You need to choose an audio device first.")); - msg.run (); - return string(); + if (root.name() != "AudioMIDISetup") { + return; } - if (backend_devs.empty()) { - return human_readable; - } - - for (i = devices[driver].begin(), n = backend_devs.begin(); i != devices[driver].end(); ++i, ++n) { - if (human_readable == (*i)) { - return (*n); + clist = root.children(); + + states.clear (); + + for (citer = clist.begin(); citer != clist.end(); ++citer) { + + child = *citer; + + if (child->name() != "EngineStates") { + continue; + } + + cclist = child->children(); + + for (cciter = cclist.begin(); cciter != cclist.end(); ++cciter) { + State state; + + grandchild = *cciter; + + if (grandchild->name() != "State") { + continue; + } + + if ((prop = grandchild->property ("backend")) == 0) { + continue; + } + state.backend = prop->value (); + + if ((prop = grandchild->property ("driver")) == 0) { + continue; + } + state.driver = prop->value (); + + if ((prop = grandchild->property ("device")) == 0) { + continue; + } + state.device = prop->value (); + + if ((prop = grandchild->property ("sample-rate")) == 0) { + continue; + } + state.sample_rate = atof (prop->value ()); + + if ((prop = grandchild->property ("buffer-size")) == 0) { + continue; + } + state.buffer_size = atoi (prop->value ()); + + if ((prop = grandchild->property ("input-latency")) == 0) { + continue; + } + state.input_latency = atoi (prop->value ()); + + if ((prop = grandchild->property ("output-latency")) == 0) { + continue; + } + state.output_latency = atoi (prop->value ()); + + if ((prop = grandchild->property ("input-channels")) == 0) { + continue; + } + state.input_channels = atoi (prop->value ()); + + if ((prop = grandchild->property ("output-channels")) == 0) { + continue; + } + state.output_channels = atoi (prop->value ()); + + if ((prop = grandchild->property ("active")) == 0) { + continue; + } + state.active = string_is_affirmative (prop->value ()); + + states.push_back (state); } } + + /* now see if there was an active state and switch the setup to it */ - if (i == devices[driver].end()) { - warning << string_compose (_("Audio device \"%1\" not known on this computer."), human_readable) << endmsg; + for (StateList::const_iterator i = states.begin(); i != states.end(); ++i) { + if ((*i).active) { + ignore_changes++; + backend_combo.set_active_text ((*i).backend); + driver_combo.set_active_text ((*i).driver); + device_combo.set_active_text ((*i).device); + sample_rate_combo.set_active_text (rate_as_string ((*i).sample_rate)); + buffer_size_combo.set_active_text (bufsize_as_string ((*i).buffer_size)); + input_latency.set_value ((*i).input_latency); + output_latency.set_value ((*i).output_latency); + ignore_changes--; + break; + } } - - return string(); } -XMLNode& -EngineControl::get_state () + +int +EngineControl::push_state_to_backend (bool start) { - XMLNode* root = new XMLNode ("AudioSetup"); - XMLNode* child; - Glib::ustring path; + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); - child = new XMLNode ("periods"); - child->add_property ("val", to_string (periods_adjustment.get_value(), std::dec)); - root->add_child_nocopy (*child); + if (!backend) { + return 0; + } + + /* figure out what is going to change */ - child = new XMLNode ("priority"); - child->add_property ("val", to_string (priority_adjustment.get_value(), std::dec)); - root->add_child_nocopy (*child); + bool restart_required = false; + bool was_running = ARDOUR::AudioEngine::instance()->running(); + bool change_driver = false; + bool change_device = false; + bool change_rate = false; + bool change_bufsize = false; + bool change_latency = false; + bool change_channels = false; - child = new XMLNode ("ports"); - child->add_property ("val", to_string (ports_adjustment.get_value(), std::dec)); - root->add_child_nocopy (*child); + uint32_t ochan = get_output_channels (); + uint32_t ichan = get_input_channels (); - child = new XMLNode ("inchannels"); - child->add_property ("val", to_string (input_channels.get_value(), std::dec)); - root->add_child_nocopy (*child); + if (_have_control) { + + /* we can control the backend */ - child = new XMLNode ("outchannels"); - child->add_property ("val", to_string (output_channels.get_value(), std::dec)); - root->add_child_nocopy (*child); + if (backend->requires_driver_selection()) { + if (get_driver() != backend->driver_name()) { + change_driver = true; + } + } - child = new XMLNode ("inlatency"); - child->add_property ("val", to_string (input_latency.get_value(), std::dec)); - root->add_child_nocopy (*child); + if (get_device_name() != backend->device_name()) { + change_device = true; + } - child = new XMLNode ("outlatency"); - child->add_property ("val", to_string (output_latency.get_value(), std::dec)); - root->add_child_nocopy (*child); + if (get_rate() != backend->sample_rate()) { + change_rate = true; + } - child = new XMLNode ("realtime"); - child->add_property ("val", to_string (realtime_button.get_active(), std::dec)); - root->add_child_nocopy (*child); + if (get_buffer_size() != backend->buffer_size()) { + change_bufsize = true; + } - child = new XMLNode ("nomemorylock"); - child->add_property ("val", to_string (no_memory_lock_button.get_active(), std::dec)); - root->add_child_nocopy (*child); + /* zero-requested channels means "all available" */ - child = new XMLNode ("unlockmemory"); - child->add_property ("val", to_string (unlock_memory_button.get_active(), std::dec)); - root->add_child_nocopy (*child); + if (ichan == 0) { + ichan = backend->input_channels(); + } - child = new XMLNode ("softmode"); - child->add_property ("val", to_string (soft_mode_button.get_active(), std::dec)); - root->add_child_nocopy (*child); + if (ochan == 0) { + ochan = backend->output_channels(); + } - child = new XMLNode ("force16bit"); - child->add_property ("val", to_string (force16bit_button.get_active(), std::dec)); - root->add_child_nocopy (*child); + if (ichan != backend->input_channels()) { + change_channels = true; + } - child = new XMLNode ("hwmonitor"); - child->add_property ("val", to_string (hw_monitor_button.get_active(), std::dec)); - root->add_child_nocopy (*child); + if (ochan != backend->output_channels()) { + change_channels = true; + } - child = new XMLNode ("hwmeter"); - child->add_property ("val", to_string (hw_meter_button.get_active(), std::dec)); - root->add_child_nocopy (*child); + if (get_input_latency() != backend->systemic_input_latency() || + get_output_latency() != backend->systemic_output_latency()) { + change_latency = true; + } - child = new XMLNode ("verbose"); - child->add_property ("val", to_string (verbose_output_button.get_active(), std::dec)); - root->add_child_nocopy (*child); + } else { - child = new XMLNode ("samplerate"); - child->add_property ("val", sample_rate_combo.get_active_text()); - root->add_child_nocopy (*child); + /* we have no control over the backend, meaning that we can + * only possibly change sample rate and buffer size. + */ - child = new XMLNode ("periodsize"); - child->add_property ("val", period_size_combo.get_active_text()); - root->add_child_nocopy (*child); - child = new XMLNode ("serverpath"); - child->add_property ("val", serverpath_combo.get_active_text()); - root->add_child_nocopy (*child); + if (get_rate() != backend->sample_rate()) { + change_bufsize = true; + } - child = new XMLNode ("driver"); - child->add_property ("val", driver_combo.get_active_text()); - root->add_child_nocopy (*child); + if (get_buffer_size() != backend->buffer_size()) { + change_bufsize = true; + } + } - child = new XMLNode ("interface"); - child->add_property ("val", interface_combo.get_active_text()); - root->add_child_nocopy (*child); + if (!_have_control) { - child = new XMLNode ("timeout"); - child->add_property ("val", timeout_combo.get_active_text()); - root->add_child_nocopy (*child); + /* 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. + */ - child = new XMLNode ("dither"); - child->add_property ("val", dither_mode_combo.get_active_text()); - root->add_child_nocopy (*child); + if (change_rate && !backend->can_change_sample_rate_when_running()) { + return 1; + } - child = new XMLNode ("audiomode"); - child->add_property ("val", audio_mode_combo.get_active_text()); - root->add_child_nocopy (*child); + 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()); + } - child = new XMLNode ("inputdevice"); - child->add_property ("val", input_device_combo.get_active_text()); - root->add_child_nocopy (*child); + post_push (); - child = new XMLNode ("outputdevice"); - child->add_property ("val", output_device_combo.get_active_text()); - root->add_child_nocopy (*child); + return 0; + } + + /* determine if we need to stop the backend before changing parameters */ + + if (change_driver || change_device || change_channels || change_latency || + (change_rate && !backend->can_change_sample_rate_when_running()) || + (change_bufsize && !backend->can_change_buffer_size_when_running())) { + restart_required = true; + } else { + restart_required = false; + } + + if (was_running) { + + if (!change_driver && !change_device && !change_channels && !change_latency) { + /* no changes in any parameters that absolutely require a + * restart, so check those that might be changeable without a + * restart + */ + + if (change_rate && !backend->can_change_sample_rate_when_running()) { + /* can't do this while running ... */ + restart_required = true; + } + + if (change_bufsize && !backend->can_change_buffer_size_when_running()) { + /* can't do this while running ... */ + restart_required = true; + } + } + } + + if (was_running) { + if (restart_required) { + if (ARDOUR_UI::instance()->disconnect_from_engine ()) { + return -1; + } + } + } + + + if (change_driver && backend->set_driver (get_driver())) { + error << string_compose (_("Cannot set driver to %1"), get_driver()) << endmsg; + return -1; + } + if (change_device && backend->set_device_name (get_device_name())) { + error << string_compose (_("Cannot set device name to %1"), get_device_name()) << endmsg; + return -1; + } + if (change_rate && backend->set_sample_rate (get_rate())) { + error << string_compose (_("Cannot set sample rate to %1"), get_rate()) << endmsg; + return -1; + } + if (change_bufsize && backend->set_buffer_size (get_buffer_size())) { + error << string_compose (_("Cannot set buffer size to %1"), get_buffer_size()) << endmsg; + return -1; + } + + if (change_channels || get_input_channels() == 0 || get_output_channels() == 0) { + if (backend->set_input_channels (get_input_channels())) { + error << string_compose (_("Cannot set input channels to %1"), get_input_channels()) << endmsg; + return -1; + } + if (backend->set_output_channels (get_output_channels())) { + error << string_compose (_("Cannot set output channels to %1"), get_output_channels()) << endmsg; + return -1; + } + } + if (change_latency) { + if (backend->set_systemic_input_latency (get_input_latency())) { + error << string_compose (_("Cannot set input latency to %1"), get_input_latency()) << endmsg; + return -1; + } + if (backend->set_systemic_output_latency (get_output_latency())) { + error << string_compose (_("Cannot set output latency to %1"), get_output_latency()) << endmsg; + return -1; + } + } + + if (start || (was_running && restart_required)) { + if (ARDOUR_UI::instance()->reconnect_to_engine()) { + return -1; + } + } - return *root; + post_push (); + + return 0; } void -EngineControl::set_state (const XMLNode& root) +EngineControl::post_push () { - XMLNodeList clist; - XMLNodeConstIterator citer; - XMLNode* child; - XMLProperty* prop = NULL; - bool using_dummy = false; + /* get a pointer to the current state object, creating one if + * necessary + */ - int val; - string strval; + State* state = get_saved_state_for_currently_displayed_backend_and_device (); - if ( (child = root.child ("driver"))){ - prop = child->property("val"); - if (prop && (prop->value() == "Dummy") ) { - using_dummy = true; - } + if (!state) { + state = save_state (); + assert (state); } - clist = root.children(); + /* 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; - for (citer = clist.begin(); citer != clist.end(); ++citer) { - if ( prop && (prop->value() == "FFADO" )) - continue; - child = *citer; + manage_control_app_sensitivity (); - prop = child->property ("val"); + /* schedule a redisplay of MIDI ports */ + + Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &EngineControl::refresh_midi_display), false), 1000); +} - if (!prop || prop->value().empty()) { - if ( using_dummy && ( child->name() == "interface" || child->name() == "inputdevice" || child->name() == "outputdevice" )) - continue; - error << string_compose (_("AudioSetup value for %1 is missing data"), child->name()) << endmsg; - continue; - } - - strval = prop->value(); - - /* adjustments/spinners */ - - if (child->name() == "periods") { - val = atoi (strval); - periods_adjustment.set_value(val); - } else if (child->name() == "priority") { - val = atoi (strval); - priority_adjustment.set_value(val); - } else if (child->name() == "ports") { - val = atoi (strval); - ports_adjustment.set_value(val); - } else if (child->name() == "inchannels") { - val = atoi (strval); - input_channels.set_value(val); - } else if (child->name() == "outchannels") { - val = atoi (strval); - output_channels.set_value(val); - } else if (child->name() == "inlatency") { - val = atoi (strval); - input_latency.set_value(val); - } else if (child->name() == "outlatency") { - val = atoi (strval); - output_latency.set_value(val); - } +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; +} + - /* buttons */ - - else if (child->name() == "realtime") { - val = atoi (strval); - realtime_button.set_active(val); - } else if (child->name() == "nomemorylock") { - val = atoi (strval); - no_memory_lock_button.set_active(val); - } else if (child->name() == "unlockmemory") { - val = atoi (strval); - unlock_memory_button.set_active(val); - } else if (child->name() == "softmode") { - val = atoi (strval); - soft_mode_button.set_active(val); - } else if (child->name() == "force16bit") { - val = atoi (strval); - force16bit_button.set_active(val); - } else if (child->name() == "hwmonitor") { - val = atoi (strval); - hw_monitor_button.set_active(val); - } else if (child->name() == "hwmeter") { - val = atoi (strval); - hw_meter_button.set_active(val); - } else if (child->name() == "verbose") { - val = atoi (strval); - verbose_output_button.set_active(val); - } +uint32_t +EngineControl::get_buffer_size () const +{ + string txt = buffer_size_combo.get_active_text (); + uint32_t samples; + + if (sscanf (txt.c_str(), "%d", &samples) != 1) { + throw exception (); + } + + return samples; +} + +uint32_t +EngineControl::get_input_channels() const +{ + return (uint32_t) input_channels_adjustment.get_value(); +} + +uint32_t +EngineControl::get_output_channels() const +{ + return (uint32_t) output_channels_adjustment.get_value(); +} + +uint32_t +EngineControl::get_input_latency() const +{ + return (uint32_t) input_latency_adjustment.get_value(); +} + +uint32_t +EngineControl::get_output_latency() const +{ + return (uint32_t) output_latency_adjustment.get_value(); +} + +string +EngineControl::get_backend () const +{ + return backend_combo.get_active_text (); +} + +string +EngineControl::get_driver () const +{ + return driver_combo.get_active_text (); +} + +string +EngineControl::get_device_name () const +{ + return device_combo.get_active_text (); +} + +void +EngineControl::control_app_button_clicked () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + + if (!backend) { + return; + } + + backend->launch_control_app (); +} + +void +EngineControl::manage_control_app_sensitivity () +{ + boost::shared_ptr backend = ARDOUR::AudioEngine::instance()->current_backend(); + + if (!backend) { + return; + } + + string appname = backend->control_app_name(); + + if (appname.empty()) { + control_app_button.set_sensitive (false); + } else { + control_app_button.set_sensitive (true); + } +} + +void +EngineControl::set_desired_sample_rate (uint32_t sr) +{ + _desired_sample_rate = sr; + device_changed (); +} + +void +EngineControl::on_switch_page (GtkNotebookPage*, guint page_num) +{ + if (page_num == 0) { + cancel_button->set_sensitive (true); + ok_button->set_sensitive (true); + apply_button->set_sensitive (true); + } else { + cancel_button->set_sensitive (false); + ok_button->set_sensitive (false); + apply_button->set_sensitive (false); + } + + if (page_num == 1) { + /* MIDI tab */ + refresh_midi_display (); + } - /* combos */ - - else if (child->name() == "samplerate") { - sample_rate_combo.set_active_text(strval); - } else if (child->name() == "periodsize") { - period_size_combo.set_active_text(strval); - } else if (child->name() == "serverpath") { - /* do not allow us to use a server path that doesn't - exist on this system. this handles cases where - the user has an RC file listing a serverpath - from some other machine. + if (page_num == 2) { + /* latency tab */ + + if (!ARDOUR::AudioEngine::instance()->running()) { + + PBD::Unwinder protect_ignore_changes (ignore_changes, ignore_changes + 1); + + /* save any existing latency values */ + + uint32_t il = (uint32_t) input_latency.get_value (); + uint32_t ol = (uint32_t) input_latency.get_value (); + + /* reset to zero so that our new test instance of JACK + will be clean of any existing latency measures. */ - vector::iterator x; - for (x = server_strings.begin(); x != server_strings.end(); ++x) { - if (*x == strval) { - break; - } - } - if (x != server_strings.end()) { - serverpath_combo.set_active_text (strval); - } else { - warning << string_compose (_("configuration files contain a JACK server path that doesn't exist (%1)"), - strval) - << endmsg; - } - } else if (child->name() == "driver") { - driver_combo.set_active_text(strval); - } else if (child->name() == "interface") { - interface_combo.set_active_text(strval); - } else if (child->name() == "timeout") { - timeout_combo.set_active_text(strval); - } else if (child->name() == "dither") { - dither_mode_combo.set_active_text(strval); - } else if (child->name() == "audiomode") { - audio_mode_combo.set_active_text(strval); - } else if (child->name() == "inputdevice") { - input_device_combo.set_active_text(strval); - } else if (child->name() == "outputdevice") { - output_device_combo.set_active_text(strval); + + input_latency.set_value (0); + output_latency.set_value (0); + + /* reset control */ + + input_latency.set_value (il); + output_latency.set_value (ol); + + } + + if (ARDOUR::AudioEngine::instance()->prepare_for_latency_measurement()) { + disable_latency_tab (); } + + enable_latency_tab (); + + } else { + ARDOUR::AudioEngine::instance()->stop_latency_detection(); } } + +/* latency measurement */ + +bool +EngineControl::check_latency_measurement () +{ + MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); + + if (mtdm->resolve () < 0) { + lm_results.set_markup (string_compose ("%1", _("No signal detected "))); + return true; + } + + if (mtdm->err () > 0.3) { + mtdm->invert (); + mtdm->resolve (); + } + + char buf[128]; + ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate(); + + if (sample_rate == 0) { + lm_results.set_text (_("Disconnected from audio engine")); + ARDOUR::AudioEngine::instance()->stop_latency_detection (); + return false; + } + + uint32_t frames_total = mtdm->del(); + uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); + + snprintf (buf, sizeof (buf), "%u samples %10.3lf ms", extra, extra * 1000.0f/sample_rate); + + bool solid = true; + + if (mtdm->err () > 0.2) { + strcat (buf, " ??"); + solid = false; + } + + if (mtdm->inv ()) { + strcat (buf, " (Inv)"); + solid = false; + } + + if (solid) { + lm_measure_button.set_active (false); + lm_use_button.set_sensitive (true); + strcat (buf, " (set)"); + have_lm_results = true; + } + + lm_results.set_text (buf); + + return true; +} + +void +EngineControl::start_latency_detection () +{ + ARDOUR::AudioEngine::instance()->set_latency_input_port (lm_input_channel_combo.get_active_text()); + ARDOUR::AudioEngine::instance()->set_latency_output_port (lm_output_channel_combo.get_active_text()); + ARDOUR::AudioEngine::instance()->start_latency_detection (); + lm_results.set_text (_("Detecting ...")); + latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_latency_measurement), 250); + lm_start_stop_label.set_text (_("Cancel measurement")); + have_lm_results = false; + lm_input_channel_combo.set_sensitive (false); + lm_output_channel_combo.set_sensitive (false); +} + +void +EngineControl::end_latency_detection () +{ + ARDOUR::AudioEngine::instance()->stop_latency_detection (); + latency_timeout.disconnect (); + lm_start_stop_label.set_text (_("Measure latency")); + if (!have_lm_results) { + lm_results.set_markup ("No measurement results yet"); + } + lm_input_channel_combo.set_sensitive (true); + lm_output_channel_combo.set_sensitive (true); +} + +void +EngineControl::latency_button_toggled () +{ + if (lm_measure_button.get_active ()) { + start_latency_detection (); + } else { + end_latency_detection (); + } +} + +void +EngineControl::use_latency_button_clicked () +{ + MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm (); + + if (!mtdm) { + return; + } + + uint32_t frames_total = mtdm->del(); + uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay(); + uint32_t one_way = extra/2; + + input_latency_adjustment.set_value (one_way); + output_latency_adjustment.set_value (one_way); +} + +bool +EngineControl::on_delete_event (GdkEventAny* ev) +{ + if (notebook.get_current_page() == 2) { + /* currently on latency tab - be sure to clean up */ + end_latency_detection (); + } + return ArdourDialog::on_delete_event (ev); +} +