2 Copyright (C) 2015 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <glibmm/fileutils.h>
27 #include <glibmm/miscutils.h>
29 #include "pbd/error.h"
30 #include "pbd/failed_constructor.h"
31 #include "pbd/file_utils.h"
32 #include "pbd/pthread_utils.h"
33 #include "pbd/compose.h"
34 #include "pbd/xml++.h"
36 #include "midi++/port.h"
38 #include "ardour/async_midi_port.h"
39 #include "ardour/audioengine.h"
40 #include "ardour/amp.h"
41 #include "ardour/bundle.h"
42 #include "ardour/controllable_descriptor.h"
43 #include "ardour/debug.h"
44 #include "ardour/filesystem_paths.h"
45 #include "ardour/midi_port.h"
46 #include "ardour/midiport_manager.h"
47 #include "ardour/monitor_processor.h"
48 #include "ardour/profile.h"
49 #include "ardour/rc_configuration.h"
50 #include "ardour/record_enable_control.h"
51 #include "ardour/stripable.h"
52 #include "ardour/session.h"
53 #include "ardour/session_configuration.h"
54 #include "ardour/track.h"
56 #include "faderport.h"
58 using namespace ARDOUR;
59 using namespace ArdourSurface;
66 #include "pbd/abstract_ui.cc" // instantiate template
68 FaderPort::FaderPort (Session& s)
69 : ControlProtocol (s, _("PreSonus FaderPort"))
70 , AbstractUI<FaderPortRequest> (name())
72 , connection_state (ConnectionState (0))
73 , _device_active (false)
76 , fader_is_touched (false)
77 , button_state (ButtonState (0))
79 , rec_enable_state (false)
81 last_encoder_time = 0;
83 boost::shared_ptr<ARDOUR::Port> inp;
84 boost::shared_ptr<ARDOUR::Port> outp;
86 inp = AudioEngine::instance()->register_input_port (DataType::MIDI, "Faderport Recv", true);
87 outp = AudioEngine::instance()->register_output_port (DataType::MIDI, "Faderport Send", true);
89 _input_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(inp);
90 _output_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(outp);
92 if (_input_port == 0 || _output_port == 0) {
93 throw failed_constructor();
96 _input_bundle.reset (new ARDOUR::Bundle (_("Faderport Support (Receive)"), true));
97 _output_bundle.reset (new ARDOUR::Bundle (_("Faderport Support (Send) "), false));
99 _input_bundle->add_channel (
101 ARDOUR::DataType::MIDI,
102 session->engine().make_port_name_non_relative (inp->name())
105 _output_bundle->add_channel (
107 ARDOUR::DataType::MIDI,
108 session->engine().make_port_name_non_relative (outp->name())
112 StripableSelectionChanged.connect (selection_connection, MISSING_INVALIDATOR, boost::bind (&FaderPort::gui_track_selection_changed, this, _1), this);
114 /* Catch port connections and disconnections */
115 ARDOUR::AudioEngine::instance()->PortConnectedOrDisconnected.connect (port_connection, MISSING_INVALIDATOR, boost::bind (&FaderPort::connection_handler, this, _1, _2, _3, _4, _5), this);
117 buttons.insert (std::make_pair (Mute, Button (*this, _("Mute"), Mute, 21)));
118 buttons.insert (std::make_pair (Solo, Button (*this, _("Solo"), Solo, 22)));
119 buttons.insert (std::make_pair (Rec, Button (*this, _("Rec"), Rec, 23)));
120 buttons.insert (std::make_pair (Left, Button (*this, _("Left"), Left, 20)));
121 buttons.insert (std::make_pair (Bank, Button (*this, _("Bank"), Bank, 19)));
122 buttons.insert (std::make_pair (Right, Button (*this, _("Right"), Right, 18)));
123 buttons.insert (std::make_pair (Output, Button (*this, _("Output"), Output, 17)));
124 buttons.insert (std::make_pair (FP_Read, Button (*this, _("Read"), FP_Read, 13)));
125 buttons.insert (std::make_pair (FP_Write, Button (*this, _("Write"), FP_Write, 14)));
126 buttons.insert (std::make_pair (FP_Touch, Button (*this, _("Touch"), FP_Touch, 15)));
127 buttons.insert (std::make_pair (FP_Off, Button (*this, _("Off"), FP_Off, 16)));
128 buttons.insert (std::make_pair (Mix, Button (*this, _("Mix"), Mix, 12)));
129 buttons.insert (std::make_pair (Proj, Button (*this, _("Proj"), Proj, 11)));
130 buttons.insert (std::make_pair (Trns, Button (*this, _("Trns"), Trns, 10)));
131 buttons.insert (std::make_pair (Undo, Button (*this, _("Undo"), Undo, 9)));
132 buttons.insert (std::make_pair (Shift, Button (*this, _("Shift"), Shift, 5)));
133 buttons.insert (std::make_pair (Punch, Button (*this, _("Punch"), Punch, 6)));
134 buttons.insert (std::make_pair (User, Button (*this, _("User"), User, 7)));
135 buttons.insert (std::make_pair (Loop, Button (*this, _("Loop"), Loop, 8)));
136 buttons.insert (std::make_pair (Rewind, Button (*this, _("Rewind"), Rewind, 4)));
137 buttons.insert (std::make_pair (Ffwd, Button (*this, _("Ffwd"), Ffwd, 3)));
138 buttons.insert (std::make_pair (Stop, Button (*this, _("Stop"), Stop, 2)));
139 buttons.insert (std::make_pair (Play, Button (*this, _("Play"), Play, 1)));
140 buttons.insert (std::make_pair (RecEnable, Button (*this, _("RecEnable"), RecEnable, 0)));
141 buttons.insert (std::make_pair (Footswitch, Button (*this, _("Footswitch"), Footswitch, -1)));
142 buttons.insert (std::make_pair (FaderTouch, Button (*this, _("Fader (touch)"), FaderTouch, -1)));
144 get_button (Shift).set_flash (true);
145 get_button (Mix).set_flash (true);
146 get_button (Proj).set_flash (true);
147 get_button (Trns).set_flash (true);
148 get_button (User).set_flash (true);
150 get_button (Left).set_action ( boost::bind (&FaderPort::left, this), true);
151 get_button (Right).set_action ( boost::bind (&FaderPort::right, this), true);
153 get_button (Undo).set_action (boost::bind (&FaderPort::undo, this), true);
154 get_button (Undo).set_action (boost::bind (&FaderPort::redo, this), true, ShiftDown);
155 get_button (Undo).set_flash (true);
157 get_button (FP_Read).set_action (boost::bind (&FaderPort::read, this), true);
158 get_button (FP_Read).set_action (boost::bind (&FaderPort::off, this), false, LongPress);
159 get_button (FP_Write).set_action (boost::bind (&FaderPort::write, this), true);
160 get_button (FP_Write).set_action (boost::bind (&FaderPort::off, this), false, LongPress);
161 get_button (FP_Touch).set_action (boost::bind (&FaderPort::touch, this), true);
162 get_button (FP_Touch).set_action (boost::bind (&FaderPort::off, this), false, LongPress);
163 get_button (FP_Off).set_action (boost::bind (&FaderPort::off, this), true);
165 get_button (Play).set_action (boost::bind (&BasicUI::transport_play, this, true), true);
166 get_button (RecEnable).set_action (boost::bind (&BasicUI::rec_enable_toggle, this), true);
167 /* Stop is a modifier, so we have to use its own button state to get
168 the default action (since StopDown will be set when looking for the
171 get_button (Stop).set_action (boost::bind (&BasicUI::transport_stop, this), true, StopDown);
172 get_button (Ffwd).set_action (boost::bind (&BasicUI::ffwd, this), true);
174 /* See comments about Stop above .. */
175 get_button (Rewind).set_action (boost::bind (&BasicUI::rewind, this), true, RewindDown);
176 get_button (Rewind).set_action (boost::bind (&BasicUI::goto_zero, this), true, ButtonState (RewindDown|StopDown));
177 get_button (Rewind).set_action (boost::bind (&BasicUI::goto_start, this, false), true, ButtonState (RewindDown|ShiftDown));
179 get_button (Ffwd).set_action (boost::bind (&BasicUI::ffwd, this), true);
180 get_button (Ffwd).set_action (boost::bind (&BasicUI::goto_end, this), true, ShiftDown);
182 get_button (Punch).set_action (boost::bind (&FaderPort::punch, this), true);
184 get_button (Loop).set_action (boost::bind (&BasicUI::loop_toggle, this), true);
185 get_button (Loop).set_action (boost::bind (&BasicUI::add_marker, this, string()), true, ShiftDown);
187 get_button (Punch).set_action (boost::bind (&BasicUI::prev_marker, this), true, ShiftDown);
188 get_button (User).set_action (boost::bind (&BasicUI::next_marker, this), true, ButtonState(ShiftDown|UserDown));
190 get_button (Mute).set_action (boost::bind (&FaderPort::mute, this), true);
191 get_button (Solo).set_action (boost::bind (&FaderPort::solo, this), true);
192 get_button (Rec).set_action (boost::bind (&FaderPort::rec_enable, this), true);
194 get_button (Output).set_action (boost::bind (&FaderPort::use_master, this), true);
195 get_button (Output).set_action (boost::bind (&FaderPort::use_monitor, this), true, ShiftDown);
198 FaderPort::~FaderPort ()
205 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("unregistering input port %1\n", boost::shared_ptr<ARDOUR::Port>(_input_port)->name()));
206 AudioEngine::instance()->unregister_port (_input_port);
207 _input_port.reset ();
211 _output_port->drain (10000, 250000); /* check every 10 msecs, wait up to 1/4 second for the port to drain */
212 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("unregistering output port %1\n", boost::shared_ptr<ARDOUR::Port>(_output_port)->name()));
213 AudioEngine::instance()->unregister_port (_output_port);
214 _output_port.reset ();
219 /* stop event loop */
220 DEBUG_TRACE (DEBUG::FaderPort, "BaseUI::quit ()\n");
225 FaderPort::request_factory (uint32_t num_requests)
227 /* AbstractUI<T>::request_buffer_factory() is a template method only
228 instantiated in this source module. To provide something visible for
229 use in the interface/descriptor, we have this static method that is
232 return request_buffer_factory (num_requests);
236 FaderPort::start_midi_handling ()
238 /* handle device inquiry response */
239 _input_port->parser()->sysex.connect_same_thread (midi_connections, boost::bind (&FaderPort::sysex_handler, this, _1, _2, _3));
241 _input_port->parser()->poly_pressure.connect_same_thread (midi_connections, boost::bind (&FaderPort::button_handler, this, _1, _2));
243 _input_port->parser()->pitchbend.connect_same_thread (midi_connections, boost::bind (&FaderPort::encoder_handler, this, _1, _2));
245 _input_port->parser()->controller.connect_same_thread (midi_connections, boost::bind (&FaderPort::fader_handler, this, _1, _2));
247 /* This connection means that whenever data is ready from the input
248 * port, the relevant thread will invoke our ::midi_input_handler()
249 * method, which will read the data, and invoke the parser.
252 _input_port->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &FaderPort::midi_input_handler), boost::weak_ptr<AsyncMIDIPort> (_input_port)));
253 _input_port->xthread().attach (main_loop()->get_context());
257 FaderPort::stop_midi_handling ()
259 midi_connections.drop_connections ();
261 /* Note: the input handler is still active at this point, but we're no
262 * longer connected to any of the parser signals
267 FaderPort::do_request (FaderPortRequest* req)
269 if (req->type == CallSlot) {
271 call_slot (MISSING_INVALIDATOR, req->the_slot);
273 } else if (req->type == Quit) {
288 FaderPort::thread_init ()
290 struct sched_param rtparam;
292 pthread_set_name (event_loop_name().c_str());
294 PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
295 ARDOUR::SessionEvent::create_per_thread_pool (event_loop_name(), 128);
297 memset (&rtparam, 0, sizeof (rtparam));
298 rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */
300 if (pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam) != 0) {
301 // do we care? not particularly.
306 FaderPort::all_lights_out ()
308 for (ButtonMap::iterator b = buttons.begin(); b != buttons.end(); ++b) {
309 b->second.set_led_state (_output_port, false);
314 FaderPort::get_button (ButtonID id) const
316 ButtonMap::const_iterator b = buttons.find (id);
317 assert (b != buttons.end());
318 return const_cast<Button&>(b->second);
322 FaderPort::button_long_press_timeout (ButtonID id)
324 if (buttons_down.find (id) != buttons_down.end()) {
325 get_button (id).invoke (ButtonState (LongPress|button_state), false);
327 /* release happened and somehow we were not cancelled */
330 /* whichever button this was, we've used it ... don't invoke the
333 consumed.insert (id);
335 return false; /* don't get called again */
339 FaderPort::start_press_timeout (Button& button, ButtonID id)
341 Glib::RefPtr<Glib::TimeoutSource> timeout = Glib::TimeoutSource::create (500); // milliseconds
342 button.timeout_connection = timeout->connect (sigc::bind (sigc::mem_fun (*this, &FaderPort::button_long_press_timeout), id));
343 timeout->attach (main_loop()->get_context());
347 FaderPort::button_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
349 ButtonID id (ButtonID (tb->controller_number));
350 Button& button (get_button (id));
352 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("button event for ID %1 press ? %2\n", (int) tb->controller_number, (tb->value ? "yes" : "no")));
355 buttons_down.insert (id);
357 buttons_down.erase (id);
358 button.timeout_connection.disconnect ();
361 ButtonState bs (ButtonState (0));
377 fader_is_touched = tb->value;
378 if (_current_stripable) {
379 boost::shared_ptr<AutomationControl> gain = _current_stripable->gain_control ();
381 framepos_t now = session->engine().sample_time();
383 gain->start_touch (now);
385 gain->stop_touch (true, now);
392 start_press_timeout (button, id);
398 button_state = (tb->value ? ButtonState (button_state|bs) : ButtonState (button_state&~bs));
399 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("reset button state to %1 using %2\n", button_state, (int) bs));
402 if (button.uses_flash()) {
403 button.set_led_state (_output_port, (int)tb->value);
406 set<ButtonID>::iterator c = consumed.find (id);
408 if (c == consumed.end()) {
409 button.invoke (button_state, tb->value ? true : false);
411 DEBUG_TRACE (DEBUG::FaderPort, "button was consumed, ignored\n");
417 FaderPort::encoder_handler (MIDI::Parser &, MIDI::pitchbend_t pb)
425 //knob debouncing and hysteresis. The presonus encoder often sends bursts of events, or goes the wrong direction
427 last_last_encoder_delta = last_encoder_delta;
428 last_encoder_delta = delta;
429 microseconds_t now = get_microseconds ();
430 if ((now - last_encoder_time) < 10*1000) { //require at least 10ms interval between changes, because the device sometimes sends multiple deltas
433 if ((now - last_encoder_time) < 100*1000) { //avoid directional changes while "spinning", 100ms window
434 if ( (delta == last_encoder_delta) && (delta == last_last_encoder_delta) ) {
435 last_good_encoder_delta = delta; //3 in a row, grudgingly accept this as the new direction
437 if (delta != last_good_encoder_delta) { //otherwise ensure we keep going the same way
438 delta = last_good_encoder_delta;
440 } else { //we aren't yet in a spin window, just assume this move is really what we want
441 //NOTE: if you are worried about where these get initialized, here it is.
442 last_last_encoder_delta = delta;
443 last_encoder_delta = delta;
445 last_encoder_time = now;
446 last_good_encoder_delta = delta;
449 if (_current_stripable) {
451 ButtonState trim_modifier;
452 ButtonState width_modifier;
454 if (Profile->get_mixbus()) {
455 trim_modifier = ShiftDown;
456 width_modifier = ButtonState (0);
458 trim_modifier = UserDown;
459 width_modifier = ShiftDown;
462 if ((button_state & trim_modifier) == trim_modifier ) { // mod+encoder = input trim
463 boost::shared_ptr<AutomationControl> trim = _current_stripable->trim_control ();
465 float val = trim->get_user(); //for gain elements, the "user" value is in dB
469 } else if (width_modifier && ((button_state & width_modifier) == width_modifier)) {
470 ardour_pan_width (delta);
472 } else { // pan/balance
473 if (!Profile->get_mixbus()) {
474 ardour_pan_azimuth (delta);
481 /* if the user button was pressed, mark it as consumed so that its
482 * release action has no effect.
485 if (!Profile->get_mixbus() && (button_state & UserDown)) {
486 consumed.insert (User);
491 FaderPort::fader_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
493 bool was_fader = false;
495 if (tb->controller_number == 0x0) {
496 fader_msb = tb->value;
498 } else if (tb->controller_number == 0x20) {
499 fader_lsb = tb->value;
504 if (_current_stripable) {
505 boost::shared_ptr<AutomationControl> gain = _current_stripable->gain_control ();
507 int ival = (fader_msb << 7) | fader_lsb;
508 float val = gain->interface_to_internal (ival/16384.0);
509 /* even though the faderport only controls a
510 single stripable at a time, allow the fader to
511 modify the group, if appropriate.
513 _current_stripable->gain_control()->set_value (val, Controllable::UseGroup);
520 FaderPort::sysex_handler (MIDI::Parser &p, MIDI::byte *buf, size_t sz)
522 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("sysex message received, size = %1\n", sz));
528 if (buf[2] != 0x7f ||
541 _device_active = true;
543 DEBUG_TRACE (DEBUG::FaderPort, "FaderPort identified via MIDI Device Inquiry response\n");
545 /* put it into native mode */
547 MIDI::byte native[3];
552 _output_port->write (native, 3, 0);
556 /* catch up on state */
558 /* make sure that rec_enable_state is consistent with current device state */
559 get_button (RecEnable).set_led_state (_output_port, rec_enable_state);
561 map_transport_state ();
562 map_recenable_state ();
566 FaderPort::set_active (bool yn)
568 DEBUG_TRACE (DEBUG::FaderPort, string_compose("Faderport::set_active init with yn: '%1'\n", yn));
570 if (yn == active()) {
576 /* start event loop */
580 connect_session_signals ();
582 Glib::RefPtr<Glib::TimeoutSource> blink_timeout = Glib::TimeoutSource::create (200); // milliseconds
583 blink_connection = blink_timeout->connect (sigc::mem_fun (*this, &FaderPort::blink));
584 blink_timeout->attach (main_loop()->get_context());
586 Glib::RefPtr<Glib::TimeoutSource> periodic_timeout = Glib::TimeoutSource::create (100); // milliseconds
587 periodic_connection = periodic_timeout->connect (sigc::mem_fun (*this, &FaderPort::periodic));
588 periodic_timeout->attach (main_loop()->get_context());
597 ControlProtocol::set_active (yn);
599 DEBUG_TRACE (DEBUG::FaderPort, string_compose("Faderport::set_active done with yn: '%1'\n", yn));
605 FaderPort::periodic ()
607 if (!_current_stripable) {
611 ARDOUR::AutoState gain_state = _current_stripable->gain_control()->automation_state();
613 if (gain_state == ARDOUR::Touch || gain_state == ARDOUR::Play) {
621 FaderPort::stop_blinking (ButtonID id)
623 blinkers.remove (id);
624 get_button (id).set_led_state (_output_port, false);
628 FaderPort::start_blinking (ButtonID id)
630 blinkers.push_back (id);
631 get_button (id).set_led_state (_output_port, true);
637 blink_state = !blink_state;
639 for (Blinkers::iterator b = blinkers.begin(); b != blinkers.end(); b++) {
640 get_button(*b).set_led_state (_output_port, blink_state);
643 map_recenable_state ();
653 stop_midi_handling ();
654 session_connections.drop_connections ();
655 port_connection.disconnect ();
656 blink_connection.disconnect ();
657 selection_connection.disconnect ();
658 stripable_connections.drop_connections ();
661 stripable_connections.drop_connections ();
666 FaderPort::map_recenable_state ()
668 /* special case for RecEnable because its status can change as a
669 * confluence of unrelated parameters: (a) session rec-enable state (b)
670 * rec-enabled tracks. So we don't add the button to the blinkers list,
673 * * from the blink callback
674 * * when the session tells us about a status change
676 * We do the last one so that the button changes state promptly rather
677 * than waiting for the next blink callback. The change in "blinking"
678 * based on having record-enabled tracks isn't urgent, and that happens
679 * during the blink callback.
684 switch (session->record_status()) {
685 case Session::Disabled:
688 case Session::Enabled:
691 case Session::Recording:
692 if (session->have_rec_enabled_track ()) {
700 if (onoff != rec_enable_state) {
701 get_button(RecEnable).set_led_state (_output_port, onoff);
702 rec_enable_state = onoff;
707 FaderPort::map_transport_state ()
709 get_button (Loop).set_led_state (_output_port, session->get_play_loop());
711 float ts = session->transport_speed();
714 stop_blinking (Play);
715 } else if (fabs (ts) == 1.0) {
716 stop_blinking (Play);
717 get_button (Play).set_led_state (_output_port, true);
719 start_blinking (Play);
722 get_button (Stop).set_led_state (_output_port, session->transport_stopped ());
723 get_button (Rewind).set_led_state (_output_port, session->transport_speed() < 0.0);
724 get_button (Ffwd).set_led_state (_output_port, session->transport_speed() > 1.0);
728 FaderPort::parameter_changed (string what)
730 if (what == "punch-in" || what == "punch-out") {
731 bool in = session->config.get_punch_in ();
732 bool out = session->config.get_punch_out ();
734 get_button (Punch).set_led_state (_output_port, true);
735 blinkers.remove (Punch);
736 } else if (in || out) {
737 start_blinking (Punch);
739 stop_blinking (Punch);
745 FaderPort::connect_session_signals()
747 session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::map_recenable_state, this), this);
748 session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::map_transport_state, this), this);
749 /* not session, but treat it similarly */
750 session->config.ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::parameter_changed, this, _1), this);
754 FaderPort::midi_input_handler (Glib::IOCondition ioc, boost::weak_ptr<ARDOUR::AsyncMIDIPort> wport)
756 boost::shared_ptr<AsyncMIDIPort> port (wport.lock());
762 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("something happend on %1\n", boost::shared_ptr<MIDI::Port>(port)->name()));
771 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("data available on %1\n", boost::shared_ptr<MIDI::Port>(port)->name()));
772 framepos_t now = session->engine().sample_time();
781 FaderPort::get_state ()
783 XMLNode& node (ControlProtocol::get_state());
787 child = new XMLNode (X_("Input"));
788 child->add_child_nocopy (boost::shared_ptr<ARDOUR::Port>(_input_port)->get_state());
789 node.add_child_nocopy (*child);
792 child = new XMLNode (X_("Output"));
793 child->add_child_nocopy (boost::shared_ptr<ARDOUR::Port>(_output_port)->get_state());
794 node.add_child_nocopy (*child);
796 /* Save action state for Mix, Proj, Trns and User buttons, since these
797 * are user controlled. We can only save named-action operations, since
798 * internal functions are just pointers to functions and hard to
799 * serialize without enumerating them all somewhere.
802 node.add_child_nocopy (get_button (Mix).get_state());
803 node.add_child_nocopy (get_button (Proj).get_state());
804 node.add_child_nocopy (get_button (Trns).get_state());
805 node.add_child_nocopy (get_button (User).get_state());
806 node.add_child_nocopy (get_button (Footswitch).get_state());
812 FaderPort::set_state (const XMLNode& node, int version)
815 XMLNodeConstIterator niter;
816 XMLNode const* child;
818 if (ControlProtocol::set_state (node, version)) {
822 if ((child = node.child (X_("Input"))) != 0) {
823 XMLNode* portnode = child->child (Port::state_node_name.c_str());
825 boost::shared_ptr<ARDOUR::Port>(_input_port)->set_state (*portnode, version);
829 if ((child = node.child (X_("Output"))) != 0) {
830 XMLNode* portnode = child->child (Port::state_node_name.c_str());
832 boost::shared_ptr<ARDOUR::Port>(_output_port)->set_state (*portnode, version);
836 for (XMLNodeList::const_iterator n = node.children().begin(); n != node.children().end(); ++n) {
837 if ((*n)->name() == X_("Button")) {
838 XMLProperty const * prop = (*n)->property (X_("id"));
842 int xid = atoi (prop->value());
843 ButtonMap::iterator b = buttons.find (ButtonID (xid));
844 if (b == buttons.end()) {
847 b->second.set_state (**n);
855 FaderPort::connection_handler (boost::weak_ptr<ARDOUR::Port>, std::string name1, boost::weak_ptr<ARDOUR::Port>, std::string name2, bool yn)
857 DEBUG_TRACE (DEBUG::FaderPort, "FaderPort::connection_handler start\n");
858 if (!_input_port || !_output_port) {
862 string ni = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_input_port)->name());
863 string no = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_output_port)->name());
865 if (ni == name1 || ni == name2) {
867 connection_state |= InputConnected;
869 connection_state &= ~InputConnected;
871 } else if (no == name1 || no == name2) {
873 connection_state |= OutputConnected;
875 connection_state &= ~OutputConnected;
878 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("Connections between %1 and %2 changed, but I ignored it\n", name1, name2));
883 if ((connection_state & (InputConnected|OutputConnected)) == (InputConnected|OutputConnected)) {
885 /* XXX this is a horrible hack. Without a short sleep here,
886 something prevents the device wakeup messages from being
887 sent and/or the responses from being received.
891 DEBUG_TRACE (DEBUG::FaderPort, "device now connected for both input and output\n");
895 DEBUG_TRACE (DEBUG::FaderPort, "Device disconnected (input or output or both) or not yet fully connected\n");
896 _device_active = false;
899 ConnectionChange (); /* emit signal for our GUI */
901 DEBUG_TRACE (DEBUG::FaderPort, "FaderPort::connection_handler end\n");
903 return true; /* connection status changed */
907 FaderPort::connected ()
909 DEBUG_TRACE (DEBUG::FaderPort, "sending device inquiry message...\n");
911 start_midi_handling ();
913 /* send device inquiry */
924 _output_port->write (buf, 6, 0);
928 FaderPort::Button::invoke (FaderPort::ButtonState bs, bool press)
930 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("invoke button %1 for %2 state %3%4%5\n", id, (press ? "press":"release"), hex, bs, dec));
935 if ((x = on_press.find (bs)) == on_press.end()) {
936 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("no press action for button %1 state %2 @ %3 in %4\n", id, bs, this, &on_press));
940 if ((x = on_release.find (bs)) == on_release.end()) {
941 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("no release action for button %1 state %2 @%3 in %4\n", id, bs, this, &on_release));
946 switch (x->second.type) {
948 if (!x->second.action_name.empty()) {
949 fp.access_action (x->second.action_name);
952 case InternalFunction:
953 if (x->second.function) {
954 x->second.function ();
960 FaderPort::Button::set_action (string const& name, bool when_pressed, FaderPort::ButtonState bs)
964 todo.type = NamedAction;
970 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("set button %1 to action %2 on press + %3%4%5\n", id, name, bs));
971 todo.action_name = name;
976 on_release.erase (bs);
978 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("set button %1 to action %2 on release + %3%4%5\n", id, name, bs));
979 todo.action_name = name;
980 on_release[bs] = todo;
986 FaderPort::Button::get_action (bool press, FaderPort::ButtonState bs)
991 if ((x = on_press.find (bs)) == on_press.end()) {
994 if (x->second.type != NamedAction) {
997 return x->second.action_name;
999 if ((x = on_release.find (bs)) == on_release.end()) {
1002 if (x->second.type != NamedAction) {
1005 return x->second.action_name;
1010 FaderPort::Button::set_action (boost::function<void()> f, bool when_pressed, FaderPort::ButtonState bs)
1013 todo.type = InternalFunction;
1016 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("set button %1 (%2) @ %5 to some functor on press + %3 in %4\n", id, name, bs, &on_press, this));
1018 on_press[bs] = todo;
1020 DEBUG_TRACE (DEBUG::FaderPort, string_compose ("set button %1 (%2) @ %5 to some functor on release + %3\n", id, name, bs, this));
1022 on_release[bs] = todo;
1027 FaderPort::Button::set_led_state (boost::shared_ptr<MIDI::Port> port, bool onoff)
1030 /* fader button ID - no LED */
1037 buf[2] = onoff ? 1 : 0;
1038 port->write (buf, 3, 0);
1042 FaderPort::Button::set_state (XMLNode const& node)
1044 const XMLProperty* prop = node.property ("id");
1049 int xid = atoi (prop->value());
1054 typedef pair<string,FaderPort::ButtonState> state_pair_t;
1055 vector<state_pair_t> state_pairs;
1057 state_pairs.push_back (make_pair (string ("plain"), ButtonState (0)));
1058 state_pairs.push_back (make_pair (string ("shift"), ShiftDown));
1059 state_pairs.push_back (make_pair (string ("long"), LongPress));
1061 for (vector<state_pair_t>::const_iterator sp = state_pairs.begin(); sp != state_pairs.end(); ++sp) {
1064 propname = sp->first + X_("-press");
1065 if ((prop = node.property (propname)) != 0) {
1066 set_action (prop->value(), true, sp->second);
1069 propname = sp->first + X_("-release");
1070 if ((prop = node.property (propname)) != 0) {
1071 set_action (prop->value(), false, sp->second);
1079 FaderPort::Button::get_state () const
1081 XMLNode* node = new XMLNode (X_("Button"));
1083 snprintf (buf, sizeof (buf), "%d", id);
1085 node->add_property (X_("id"), buf);
1087 ToDoMap::const_iterator x;
1089 null.type = NamedAction;
1091 typedef pair<string,FaderPort::ButtonState> state_pair_t;
1092 vector<state_pair_t> state_pairs;
1094 state_pairs.push_back (make_pair (string ("plain"), ButtonState (0)));
1095 state_pairs.push_back (make_pair (string ("shift"), ShiftDown));
1096 state_pairs.push_back (make_pair (string ("long"), LongPress));
1098 for (vector<state_pair_t>::const_iterator sp = state_pairs.begin(); sp != state_pairs.end(); ++sp) {
1099 if ((x = on_press.find (sp->second)) != on_press.end()) {
1100 if (x->second.type == NamedAction) {
1101 node->add_property (string (sp->first + X_("-press")).c_str(), x->second.action_name);
1105 if ((x = on_release.find (sp->second)) != on_release.end()) {
1106 if (x->second.type == NamedAction) {
1107 node->add_property (string (sp->first + X_("-release")).c_str(), x->second.action_name);
1116 FaderPort::gui_track_selection_changed (StripableNotificationListPtr stripables)
1118 set_current_stripable (ControlProtocol::first_selected_stripable());
1122 FaderPort::drop_current_stripable ()
1124 if (_current_stripable) {
1125 if (_current_stripable == session->monitor_out()) {
1126 set_current_stripable (session->master_out());
1128 set_current_stripable (boost::shared_ptr<Stripable>());
1134 FaderPort::set_current_stripable (boost::shared_ptr<Stripable> r)
1136 stripable_connections.drop_connections ();
1138 _current_stripable = r;
1140 /* turn this off. It will be turned on back on in use_master() or
1141 use_monitor() as appropriate.
1143 get_button(Output).set_led_state (_output_port, false);
1145 if (_current_stripable) {
1146 _current_stripable->DropReferences.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::drop_current_stripable, this), this);
1148 _current_stripable->mute_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::map_mute, this), this);
1149 _current_stripable->solo_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::map_solo, this), this);
1151 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (_current_stripable);
1153 t->rec_enable_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::map_recenable, this), this);
1156 boost::shared_ptr<AutomationControl> control = _current_stripable->gain_control ();
1158 control->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::map_gain, this), this);
1159 control->alist()->automation_state_changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::map_auto, this), this);
1162 boost::shared_ptr<MonitorProcessor> mp = _current_stripable->monitor_control();
1164 mp->cut_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort::map_cut, this), this);
1168 //ToDo: subscribe to the fader automation modes so we can light the LEDs
1170 map_stripable_state ();
1174 FaderPort::map_auto ()
1176 /* Under no circumstances send a message to "enable" the LED state of
1177 * the Off button, because this will disable the fader.
1180 boost::shared_ptr<AutomationControl> control = _current_stripable->gain_control ();
1181 const AutoState as = control->automation_state ();
1185 get_button (FP_Read).set_led_state (_output_port, true);
1186 get_button (FP_Write).set_led_state (_output_port, false);
1187 get_button (FP_Touch).set_led_state (_output_port, false);
1190 get_button (FP_Read).set_led_state (_output_port, false);
1191 get_button (FP_Write).set_led_state (_output_port, true);
1192 get_button (FP_Touch).set_led_state (_output_port, false);
1195 get_button (FP_Read).set_led_state (_output_port, false);
1196 get_button (FP_Write).set_led_state (_output_port, false);
1197 get_button (FP_Touch).set_led_state (_output_port, true);
1200 get_button (FP_Read).set_led_state (_output_port, false);
1201 get_button (FP_Write).set_led_state (_output_port, false);
1202 get_button (FP_Touch).set_led_state (_output_port, false);
1210 FaderPort::map_cut ()
1212 boost::shared_ptr<MonitorProcessor> mp = _current_stripable->monitor_control();
1215 bool yn = mp->cut_all ();
1217 start_blinking (Mute);
1219 stop_blinking (Mute);
1222 stop_blinking (Mute);
1227 FaderPort::map_mute ()
1229 if (_current_stripable) {
1230 if (_current_stripable->mute_control()->muted()) {
1231 stop_blinking (Mute);
1232 get_button (Mute).set_led_state (_output_port, true);
1233 } else if (_current_stripable->mute_control()->muted_by_others_soloing () || _current_stripable->mute_control()->muted_by_masters()) {
1234 start_blinking (Mute);
1236 stop_blinking (Mute);
1239 stop_blinking (Mute);
1244 FaderPort::map_solo ()
1246 if (_current_stripable) {
1247 get_button (Solo).set_led_state (_output_port, _current_stripable->solo_control()->soloed());
1249 get_button (Solo).set_led_state (_output_port, false);
1254 FaderPort::map_recenable ()
1256 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (_current_stripable);
1258 get_button (Rec).set_led_state (_output_port, t->rec_enable_control()->get_value());
1260 get_button (Rec).set_led_state (_output_port, false);
1265 FaderPort::map_gain ()
1267 if (fader_is_touched) {
1268 /* Do not send fader moves while the user is touching the fader */
1272 if (!_current_stripable) {
1276 boost::shared_ptr<AutomationControl> control = _current_stripable->gain_control ();
1282 val = control->internal_to_interface (control->get_value ());
1285 /* Faderport sends fader position with range 0..16384 (though some of
1286 * the least-significant bits at the top end are missing - it may only
1287 * get to 1636X or so).
1289 * But ... position must be sent in the range 0..1023.
1294 int ival = (int) lrintf (val * 1023.0);
1296 /* MIDI normalization requires that we send two separate messages here,
1297 * not one single 6 byte one.
1306 _output_port->write (buf, 3, 0);
1309 buf[2] = ival & 0x7f;
1311 _output_port->write (buf, 3, 0);
1315 FaderPort::map_stripable_state ()
1317 if (!_current_stripable) {
1318 stop_blinking (Mute);
1319 stop_blinking (Solo);
1320 get_button (Rec).set_led_state (_output_port, false);
1327 if (_current_stripable == session->monitor_out()) {
1335 list<boost::shared_ptr<ARDOUR::Bundle> >
1336 FaderPort::bundles ()
1338 list<boost::shared_ptr<ARDOUR::Bundle> > b;
1340 if (_input_bundle) {
1341 b.push_back (_input_bundle);
1342 b.push_back (_output_bundle);
1348 boost::shared_ptr<Port>
1349 FaderPort::output_port()
1351 return _output_port;
1354 boost::shared_ptr<Port>
1355 FaderPort::input_port()
1361 FaderPort::set_action (ButtonID id, std::string const& action_name, bool on_press, ButtonState bs)
1363 get_button(id).set_action (action_name, on_press, bs);
1367 FaderPort::get_action (ButtonID id, bool press, ButtonState bs)
1369 return get_button(id).get_action (press, bs);