libs/surfaces/mackie/mackie_control_protocol.cc

   1 /*
   2         Copyright (C) 2006,2007 John Anderson
   3         Copyright (C) 2012 Paul Davis
   4
   5         This program is free software; you can redistribute it and/or modify
   6         it under the terms of the GNU General Public License as published by
   7         the Free Software Foundation; either version 2 of the License, or
   8         (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13         GNU General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License
  16         along with this program; if not, write to the Free Software
  17         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 */
  19
  20 #include <fcntl.h>
  21 #include <iostream>
  22 #include <algorithm>
  23 #include <cmath>
  24 #include <sstream>
  25 #include <vector>
  26 #include <iomanip>
  27
  28 #include <inttypes.h>
  29 #include <float.h>
  30 #include <sys/time.h>
  31 #include <errno.h>
  32 #include <poll.h>
  33
  34 #include <boost/shared_array.hpp>
  35
  36 #include "midi++/types.h"
  37 #include "midi++/port.h"
  38 #include "midi++/ipmidi_port.h"
  39 #include "pbd/pthread_utils.h"
  40 #include "pbd/error.h"
  41 #include "pbd/memento_command.h"
  42 #include "pbd/convert.h"
  43
  44 #include "ardour/automation_control.h"
  45 #include "ardour/dB.h"
  46 #include "ardour/debug.h"
  47 #include "ardour/location.h"
  48 #include "ardour/meter.h"
  49 #include "ardour/panner.h"
  50 #include "ardour/panner_shell.h"
  51 #include "ardour/route.h"
  52 #include "ardour/session.h"
  53 #include "ardour/tempo.h"
  54 #include "ardour/track.h"
  55 #include "ardour/types.h"
  56 #include "ardour/audioengine.h"
  57
  58 #include "mackie_control_protocol.h"
  59
  60 #include "midi_byte_array.h"
  61 #include "mackie_control_exception.h"
  62 #include "device_profile.h"
  63 #include "surface_port.h"
  64 #include "surface.h"
  65 #include "strip.h"
  66 #include "control_group.h"
  67 #include "meter.h"
  68 #include "button.h"
  69 #include "fader.h"
  70 #include "pot.h"
  71
  72 using namespace ARDOUR;
  73 using namespace std;
  74 using namespace Mackie;
  75 using namespace PBD;
  76 using namespace Glib;
  77
  78 #include "i18n.h"
  79
  80 #include "pbd/abstract_ui.cc" // instantiate template
  81
  82 const int MackieControlProtocol::MODIFIER_OPTION = 0x1;
  83 const int MackieControlProtocol::MODIFIER_CONTROL = 0x2;
  84 const int MackieControlProtocol::MODIFIER_SHIFT = 0x4;
  85 const int MackieControlProtocol::MODIFIER_CMDALT = 0x8;
  86
  87 MackieControlProtocol* MackieControlProtocol::_instance = 0;
  88
  89 bool MackieControlProtocol::probe()
  90 {
  91         return true;
  92 }
  93
  94 MackieControlProtocol::MackieControlProtocol (Session& session)
  95         : ControlProtocol (session, X_("Mackie"))
  96         , AbstractUI<MackieControlUIRequest> ("mackie")
  97         , _current_initial_bank (0)
  98         , _timecode_type (ARDOUR::AnyTime::BBT)
  99         , _input_bundle (new ARDOUR::Bundle (_("Mackie Control In"), true))
 100         , _output_bundle (new ARDOUR::Bundle (_("Mackie Control Out"), false))
 101         , _gui (0)
 102         , _zoom_mode (false)
 103         , _scrub_mode (false)
 104         , _flip_mode (Normal)
 105         , _view_mode (Mixer)
 106         , _current_selected_track (-1)
 107         , _modifier_state (0)
 108         , _ipmidi_base (MIDI::IPMIDIPort::lowest_ipmidi_port_default)
 109         , needs_ipmidi_restart (false)
 110         , _metering_active (true)
 111         , _initialized (false)
 112 {
 113         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::MackieControlProtocol\n");
 114
 115         DeviceInfo::reload_device_info ();
 116         DeviceProfile::reload_device_profiles ();
 117
 118         TrackSelectionChanged.connect (gui_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::gui_track_selection_changed, this, _1, true), this);
 119
 120         _instance = this;
 121
 122         build_button_map ();
 123 }
 124
 125 MackieControlProtocol::~MackieControlProtocol()
 126 {
 127         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::~MackieControlProtocol init\n");
 128
 129         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::~MackieControlProtocol drop_connections ()\n");
 130         drop_connections ();
 131
 132         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::~MackieControlProtocol tear_down_gui ()\n");
 133         tear_down_gui ();
 134
 135         _active = false;
 136
 137         /* stop event loop */
 138         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::~MackieControlProtocol BaseUI::quit ()\n");
 139         BaseUI::quit ();
 140
 141         try {
 142                 DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::~MackieControlProtocol close()\n");
 143                 close();
 144         }
 145         catch (exception & e) {
 146                 cout << "~MackieControlProtocol caught " << e.what() << endl;
 147         }
 148         catch (...) {
 149                 cout << "~MackieControlProtocol caught unknown" << endl;
 150         }
 151
 152         _instance = 0;
 153
 154         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::~MackieControlProtocol done\n");
 155 }
 156
 157 void
 158 MackieControlProtocol::thread_init ()
 159 {
 160         struct sched_param rtparam;
 161
 162         pthread_set_name (X_("MackieControl"));
 163
 164         PBD::notify_gui_about_thread_creation (X_("gui"), pthread_self(), X_("MackieControl"), 2048);
 165         ARDOUR::SessionEvent::create_per_thread_pool (X_("MackieControl"), 128);
 166
 167         memset (&rtparam, 0, sizeof (rtparam));
 168         rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */
 169
 170         if (pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam) != 0) {
 171                 // do we care? not particularly.
 172         }
 173 }
 174
 175 void
 176 MackieControlProtocol::midi_connectivity_established ()
 177 {
 178         for (Surfaces::const_iterator si = surfaces.begin(); si != surfaces.end(); ++si) {
 179                 (*si)->say_hello ();
 180         }
 181
 182         if (_device_info.no_handshake()) {
 183                 for (Surfaces::const_iterator si = surfaces.begin(); si != surfaces.end(); ++si) {
 184                         (*si)->turn_it_on ();
 185                 }
 186         }
 187 }
 188
 189 // go to the previous track.
 190 // Assume that get_sorted_routes().size() > route_table.size()
 191 void
 192 MackieControlProtocol::prev_track()
 193 {
 194         if (_current_initial_bank >= 1) {
 195                 switch_banks (_current_initial_bank - 1);
 196         }
 197 }
 198
 199 // go to the next track.
 200 // Assume that get_sorted_routes().size() > route_table.size()
 201 void
 202 MackieControlProtocol::next_track()
 203 {
 204         Sorted sorted = get_sorted_routes();
 205         if (_current_initial_bank + n_strips() < sorted.size()) {
 206                 switch_banks (_current_initial_bank + 1);
 207         }
 208 }
 209
 210 bool
 211 MackieControlProtocol::route_is_locked_to_strip (boost::shared_ptr<Route> r) const
 212 {
 213         for (Surfaces::const_iterator si = surfaces.begin(); si != surfaces.end(); ++si) {
 214                 if ((*si)->route_is_locked_to_strip (r)) {
 215                         return true;
 216                 }
 217         }
 218         return false;
 219 }
 220
 221 // predicate for sort call in get_sorted_routes
 222 struct RouteByRemoteId
 223 {
 224         bool operator () (const boost::shared_ptr<Route> & a, const boost::shared_ptr<Route> & b) const
 225         {
 226                 return a->remote_control_id() < b->remote_control_id();
 227         }
 228
 229         bool operator () (const Route & a, const Route & b) const
 230         {
 231                 return a.remote_control_id() < b.remote_control_id();
 232         }
 233
 234         bool operator () (const Route * a, const Route * b) const
 235         {
 236                 return a->remote_control_id() < b->remote_control_id();
 237         }
 238 };
 239
 240 MackieControlProtocol::Sorted
 241 MackieControlProtocol::get_sorted_routes()
 242 {
 243         Sorted sorted;
 244
 245         // fetch all routes
 246         boost::shared_ptr<RouteList> routes = session->get_routes();
 247         set<uint32_t> remote_ids;
 248
 249         // routes with remote_id 0 should never be added
 250         // TODO verify this with ardour devs
 251         // remote_ids.insert (0);
 252
 253         // sort in remote_id order, and exclude master, control and hidden routes
 254         // and any routes that are already set.
 255
 256         for (RouteList::iterator it = routes->begin(); it != routes->end(); ++it) {
 257
 258                 boost::shared_ptr<Route> route = *it;
 259
 260                 if (remote_ids.find (route->remote_control_id()) != remote_ids.end()) {
 261                         continue;
 262                 }
 263
 264                 if (route->is_auditioner() || route->is_master() || route->is_monitor()) {
 265                         continue;
 266                 }
 267
 268                 /* don't include locked routes */
 269
 270                 if (route_is_locked_to_strip(route)) {
 271                         continue;
 272                 }
 273
 274                 switch (_view_mode) {
 275                 case Mixer:
 276                         break;
 277                 case AudioTracks:
 278                         break;
 279                 case Busses:
 280                         break;
 281                 case MidiTracks:
 282                         break;
 283                 case Dynamics:
 284                         break;
 285                 case EQ:
 286                         break;
 287                 case Loop:
 288                         break;
 289                 case Sends:
 290                         break;
 291                 case Plugins:
 292                         break;
 293                 }
 294
 295                 sorted.push_back (*it);
 296                 remote_ids.insert (route->remote_control_id());
 297         }
 298
 299         sort (sorted.begin(), sorted.end(), RouteByRemoteId());
 300         return sorted;
 301 }
 302
 303 void
 304 MackieControlProtocol::refresh_current_bank()
 305 {
 306         switch_banks (_current_initial_bank, true);
 307 }
 308
 309 uint32_t
 310 MackieControlProtocol::n_strips (bool with_locked_strips) const
 311 {
 312         uint32_t strip_count = 0;
 313
 314         for (Surfaces::const_iterator si = surfaces.begin(); si != surfaces.end(); ++si) {
 315                 strip_count += (*si)->n_strips (with_locked_strips);
 316         }
 317
 318         return strip_count;
 319 }
 320
 321 void
 322 MackieControlProtocol::switch_banks (uint32_t initial, bool force)
 323 {
 324         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("switch banking to start at %1 force ? %2 current = %3\n", initial, force, _current_initial_bank));
 325
 326         if (initial == _current_initial_bank && !force) {
 327                 return;
 328         }
 329
 330         Sorted sorted = get_sorted_routes();
 331         uint32_t strip_cnt = n_strips (false); // do not include locked strips
 332                                                // in this count
 333
 334         if (sorted.size() <= strip_cnt && _current_initial_bank == 0 && !force) {
 335                 /* no banking - not enough routes to fill all strips and we're
 336                  * not at the first one.
 337                  */
 338                 return;
 339         }
 340
 341         _current_initial_bank = initial;
 342         _current_selected_track = -1;
 343
 344         // Map current bank of routes onto each surface(+strip)
 345
 346         if (_current_initial_bank <= sorted.size()) {
 347
 348                 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("switch to %1, %2, available routes %3\n", _current_initial_bank, strip_cnt, sorted.size()));
 349
 350                 // link routes to strips
 351
 352                 Sorted::iterator r = sorted.begin() + _current_initial_bank;
 353
 354                 for (Surfaces::iterator si = surfaces.begin(); si != surfaces.end(); ++si) {
 355                         vector<boost::shared_ptr<Route> > routes;
 356                         uint32_t added = 0;
 357
 358                         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("surface has %1 unlockedstrips\n", (*si)->n_strips (false)));
 359
 360                         for (; r != sorted.end() && added < (*si)->n_strips (false); ++r, ++added) {
 361                                 routes.push_back (*r);
 362                         }
 363
 364                         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("give surface %1 routes\n", routes.size()));
 365
 366                         (*si)->map_routes (routes);
 367                 }
 368         }
 369
 370         /* reset this to get the right display of view mode after the switch */
 371         set_view_mode (_view_mode);
 372
 373         /* make sure selection is correct */
 374
 375         _gui_track_selection_changed (&_last_selected_routes, false);
 376
 377         /* current bank has not been saved */
 378         session->set_dirty();
 379 }
 380
 381 int
 382 MackieControlProtocol::set_active (bool yn)
 383 {
 384         DEBUG_TRACE (DEBUG::MackieControl, string_compose("MackieControlProtocol::set_active init with yn: '%1'\n", yn));
 385
 386         if (yn == _active) {
 387                 return 0;
 388         }
 389
 390         if (yn) {
 391
 392                 /* start event loop */
 393
 394                 BaseUI::run ();
 395
 396                 if (create_surfaces ()) {
 397                         return -1;
 398                 }
 399                 connect_session_signals ();
 400                 _active = true;
 401                 update_surfaces ();
 402
 403                 /* set up periodic task for metering and automation
 404                  */
 405
 406                 Glib::RefPtr<Glib::TimeoutSource> periodic_timeout = Glib::TimeoutSource::create (100); // milliseconds
 407                 periodic_connection = periodic_timeout->connect (sigc::mem_fun (*this, &MackieControlProtocol::periodic));
 408                 periodic_timeout->attach (main_loop()->get_context());
 409
 410         } else {
 411
 412                 BaseUI::quit ();
 413                 close ();
 414                 _active = false;
 415
 416         }
 417
 418         DEBUG_TRACE (DEBUG::MackieControl, string_compose("MackieControlProtocol::set_active done with yn: '%1'\n", yn));
 419
 420         return 0;
 421 }
 422
 423 bool
 424 MackieControlProtocol::periodic ()
 425 {
 426         if (!_active) {
 427                 return false;
 428         }
 429
 430         if (needs_ipmidi_restart) {
 431                 ipmidi_restart ();
 432                 return true;
 433         }
 434
 435         if (!_initialized) {
 436                 initialize();
 437         }
 438
 439         struct timeval now;
 440         uint64_t now_usecs;
 441         gettimeofday (&now, 0);
 442
 443         now_usecs = (now.tv_sec * 1000000) + now.tv_usec;
 444
 445         {
 446                 Glib::Threads::Mutex::Lock lm (surfaces_lock);
 447
 448                 for (Surfaces::iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
 449                         (*s)->periodic (now_usecs);
 450                 }
 451         }
 452
 453         update_timecode_display ();
 454
 455         return true;
 456 }
 457
 458 void
 459 MackieControlProtocol::update_timecode_beats_led()
 460 {
 461         if (!_device_info.has_timecode_display()) {
 462                 return;
 463         }
 464
 465         DEBUG_TRACE (DEBUG::MackieControl, string_compose("MackieControlProtocol::update_timecode_beats_led(): %1\n", _timecode_type));
 466         switch (_timecode_type) {
 467                 case ARDOUR::AnyTime::BBT:
 468                         update_global_led (Led::Beats, on);
 469                         update_global_led (Led::Timecode, off);
 470                         break;
 471                 case ARDOUR::AnyTime::Timecode:
 472                         update_global_led (Led::Timecode, on);
 473                         update_global_led (Led::Beats, off);
 474                         break;
 475                 default:
 476                         ostringstream os;
 477                         os << "Unknown Anytime::Type " << _timecode_type;
 478                         throw runtime_error (os.str());
 479         }
 480 }
 481
 482 void
 483 MackieControlProtocol::update_global_button (int id, LedState ls)
 484 {
 485         Glib::Threads::Mutex::Lock lm (surfaces_lock);
 486
 487         if (!_device_info.has_global_controls()) {
 488                 return;
 489         }
 490
 491         boost::shared_ptr<Surface> surface = surfaces.front();
 492
 493         map<int,Control*>::iterator x = surface->controls_by_device_independent_id.find (id);
 494         if (x != surface->controls_by_device_independent_id.end()) {
 495                 Button * button = dynamic_cast<Button*> (x->second);
 496                 surface->write (button->set_state (ls));
 497         } else {
 498                 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Button %1 not found\n", id));
 499         }
 500 }
 501
 502 void
 503 MackieControlProtocol::update_global_led (int id, LedState ls)
 504 {
 505         Glib::Threads::Mutex::Lock lm (surfaces_lock);
 506
 507         if (!_device_info.has_global_controls()) {
 508                 return;
 509         }
 510
 511         boost::shared_ptr<Surface> surface = surfaces.front();
 512
 513         map<int,Control*>::iterator x = surface->controls_by_device_independent_id.find (id);
 514
 515         if (x != surface->controls_by_device_independent_id.end()) {
 516                 Led * led = dynamic_cast<Led*> (x->second);
 517                 DEBUG_TRACE (DEBUG::MackieControl, "Writing LedState\n");
 518                 surface->write (led->set_state (ls));
 519         } else {
 520                 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Led %1 not found\n", id));
 521         }
 522 }
 523
 524 // send messages to surface to set controls to correct values
 525 void
 526 MackieControlProtocol::update_surfaces()
 527 {
 528         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::update_surfaces() init\n");
 529         if (!_active) {
 530                 return;
 531         }
 532
 533         // do the initial bank switch to connect signals
 534         // _current_initial_bank is initialised by set_state
 535         switch_banks (_current_initial_bank, true);
 536
 537         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::update_surfaces() finished\n");
 538 }
 539
 540 void
 541 MackieControlProtocol::initialize()
 542 {
 543         {
 544                 Glib::Threads::Mutex::Lock lm (surfaces_lock);
 545
 546                 if (surfaces.empty()) {
 547                         return;
 548                 }
 549
 550                 if (!surfaces.front()->active ()) {
 551                         return;
 552                 }
 553
 554                 // sometimes the jog wheel is a pot
 555                 if (_device_info.has_jog_wheel()) {
 556                         surfaces.front()->blank_jog_ring ();
 557                 }
 558         }
 559
 560         // update global buttons and displays
 561
 562         notify_record_state_changed();
 563         notify_transport_state_changed();
 564         update_timecode_beats_led();
 565
 566         _initialized = true;
 567 }
 568
 569 void
 570 MackieControlProtocol::connect_session_signals()
 571 {
 572         // receive routes added
 573         session->RouteAdded.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_route_added, this, _1), this);
 574         // receive record state toggled
 575         session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_record_state_changed, this), this);
 576         // receive transport state changed
 577         session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_transport_state_changed, this), this);
 578         session->TransportLooped.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_loop_state_changed, this), this);
 579         // receive punch-in and punch-out
 580         Config->ParameterChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_parameter_changed, this, _1), this);
 581         session->config.ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_parameter_changed, this, _1), this);
 582         // receive rude solo changed
 583         session->SoloActive.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_solo_active_changed, this, _1), this);
 584
 585         // make sure remote id changed signals reach here
 586         // see also notify_route_added
 587         Sorted sorted = get_sorted_routes();
 588
 589         for (Sorted::iterator it = sorted.begin(); it != sorted.end(); ++it) {
 590                 (*it)->RemoteControlIDChanged.connect (route_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_remote_id_changed, this), this);
 591         }
 592 }
 593
 594 void
 595 MackieControlProtocol::set_profile (const string& profile_name)
 596 {
 597         if (profile_name == "default") {
 598                 /* reset to default */
 599                 _device_profile = DeviceProfile (profile_name);
 600         }
 601
 602         map<string,DeviceProfile>::iterator d = DeviceProfile::device_profiles.find (profile_name);
 603
 604         if (d == DeviceProfile::device_profiles.end()) {
 605                 return;
 606         }
 607
 608         _device_profile = d->second;
 609 }
 610
 611 int
 612 MackieControlProtocol::set_device (const string& device_name, bool allow_activation)
 613 {
 614         map<string,DeviceInfo>::iterator d = DeviceInfo::device_info.find (device_name);
 615
 616         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("new device chosen %1, activation allowed ? %2\n",
 617                                                            device_name, allow_activation));
 618
 619         if (d == DeviceInfo::device_info.end()) {
 620                 return -1;
 621         }
 622
 623         if (_active) {
 624                 clear_ports ();
 625                 clear_surfaces ();
 626         }
 627
 628         _device_info = d->second;
 629
 630         if (allow_activation) {
 631                 set_active (true);
 632         } else {
 633                 if (_active) {
 634                         if (create_surfaces ()) {
 635                                 return -1;
 636                         }
 637                         switch_banks (0, true);
 638                 }
 639         }
 640         return 0;
 641 }
 642
 643 int
 644 MackieControlProtocol::create_surfaces ()
 645 {
 646         string device_name;
 647         surface_type_t stype = mcu;
 648         char buf[128];
 649
 650         if (_device_info.extenders() == 0) {
 651                 device_name = X_("mackie control");
 652         } else {
 653                 device_name = X_("mackie control #1");
 654         }
 655
 656         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Create %1 surfaces\n", 1 + _device_info.extenders()));
 657
 658         for (uint32_t n = 0; n < 1 + _device_info.extenders(); ++n) {
 659
 660                 boost::shared_ptr<Surface> surface;
 661
 662                 try {
 663                         surface.reset (new Surface (*this, device_name, n, stype));
 664                 } catch (...) {
 665                         return -1;
 666                 }
 667
 668                 {
 669                         Glib::Threads::Mutex::Lock lm (surfaces_lock);
 670                         surfaces.push_back (surface);
 671                 }
 672
 673                 /* next device will be an extender */
 674
 675                 if (_device_info.extenders() < 2) {
 676                         device_name = X_("mackie control #2");
 677                 } else {
 678                         snprintf (buf, sizeof (buf), X_("mackie control #%d"), n+2);
 679                         device_name = buf;
 680                 }
 681                 stype = ext;
 682
 683                 if (!_device_info.uses_ipmidi()) {
 684                         _input_bundle->add_channel (
 685                                 surface->port().input_port().name(),
 686                                 ARDOUR::DataType::MIDI,
 687                                 session->engine().make_port_name_non_relative (surface->port().input_port().name())
 688                                 );
 689
 690                         _output_bundle->add_channel (
 691                                 surface->port().output_port().name(),
 692                                 ARDOUR::DataType::MIDI,
 693                                 session->engine().make_port_name_non_relative (surface->port().output_port().name())
 694                                 );
 695                 }
 696
 697                 int fd;
 698                 MIDI::Port& input_port (surface->port().input_port());
 699
 700                 if ((fd = input_port.selectable ()) >= 0) {
 701                         Glib::RefPtr<IOSource> psrc = IOSource::create (fd, IO_IN|IO_HUP|IO_ERR);
 702
 703                         psrc->connect (sigc::bind (sigc::mem_fun (this, &MackieControlProtocol::midi_input_handler), &input_port));
 704                         psrc->attach (main_loop()->get_context());
 705
 706                         // glibmm hack: for now, store only the GSource*
 707
 708                         port_sources.push_back (psrc->gobj());
 709                         g_source_ref (psrc->gobj());
 710                 }
 711         }
 712
 713         return 0;
 714 }
 715
 716 void
 717 MackieControlProtocol::close()
 718 {
 719         clear_ports ();
 720
 721         port_connections.drop_connections ();
 722         session_connections.drop_connections ();
 723         route_connections.drop_connections ();
 724         periodic_connection.disconnect ();
 725
 726         clear_surfaces();
 727 }
 728
 729 XMLNode&
 730 MackieControlProtocol::get_state()
 731 {
 732         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::get_state init\n");
 733         char buf[16];
 734
 735         // add name of protocol
 736         XMLNode* node = new XMLNode (X_("Protocol"));
 737         node->add_property (X_("name"), ARDOUR::ControlProtocol::_name);
 738
 739         // add current bank
 740         snprintf (buf, sizeof (buf), "%d", _current_initial_bank);
 741         node->add_property (X_("bank"), buf);
 742
 743         // ipMIDI base port (possibly not used)
 744         snprintf (buf, sizeof (buf), "%d", _ipmidi_base);
 745         node->add_property (X_("ipmidi-base"), buf);
 746
 747         node->add_property (X_("device-profile"), _device_profile.name());
 748         node->add_property (X_("device-name"), _device_info.name());
 749
 750         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::get_state done\n");
 751
 752         return *node;
 753 }
 754
 755 int
 756 MackieControlProtocol::set_state (const XMLNode & node, int /*version*/)
 757 {
 758         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("MackieControlProtocol::set_state: active %1\n", _active));
 759
 760         int retval = 0;
 761         const XMLProperty* prop;
 762         uint32_t bank = 0;
 763         bool active = _active;
 764
 765         if ((prop = node.property (X_("ipmidi-base"))) != 0) {
 766                 set_ipmidi_base (atoi (prop->value()));
 767         }
 768
 769         // fetch current bank
 770         if ((prop = node.property (X_("bank"))) != 0) {
 771                 bank = atoi (prop->value());
 772         }
 773
 774         if ((prop = node.property (X_("active"))) != 0) {
 775                 active = string_is_affirmative (prop->value());
 776         }
 777
 778         if ((prop = node.property (X_("device-name"))) != 0) {
 779                 set_device (prop->value(), false);
 780         }
 781
 782         if ((prop = node.property (X_("device-profile"))) != 0) {
 783                 set_profile (prop->value());
 784         }
 785
 786         set_active (active);
 787
 788         if (_active) {
 789                 switch_banks (bank, true);
 790         }
 791
 792         DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::set_state done\n");
 793
 794         return retval;
 795 }
 796
 797 string
 798 MackieControlProtocol::format_bbt_timecode (framepos_t now_frame)
 799 {
 800         Timecode::BBT_Time bbt_time;
 801
 802         session->bbt_time (now_frame, bbt_time);
 803
 804         // The Mackie protocol spec is built around a BBT time display of
 805         //
 806         // digits:     888/88/88/888
 807         // semantics:  BBB/bb/ss/ttt
 808         //
 809         // The third field is "subdivisions" which is a concept found in Logic
 810         // but not present in Ardour. Instead Ardour displays a 4 digit tick
 811         // count, which we need to spread across the 5 digits of ss/ttt.
 812
 813         ostringstream os;
 814
 815         os << setw(3) << setfill('0') << bbt_time.bars;
 816         os << setw(2) << setfill('0') << bbt_time.beats;
 817         os << ' ';
 818         os << setw(1) << setfill('0') << bbt_time.ticks / 1000;
 819         os << setw(3) << setfill('0') << bbt_time.ticks % 1000;
 820
 821         return os.str();
 822 }
 823
 824 string
 825 MackieControlProtocol::format_timecode_timecode (framepos_t now_frame)
 826 {
 827         Timecode::Time timecode;
 828         session->timecode_time (now_frame, timecode);
 829
 830         // According to the Logic docs
 831         // digits: 888/88/88/888
 832         // Timecode mode: Hours/Minutes/Seconds/Frames
 833         ostringstream os;
 834         os << setw(2) << setfill('0') << timecode.hours;
 835         os << ' ';
 836         os << setw(2) << setfill('0') << timecode.minutes;
 837         os << setw(2) << setfill('0') << timecode.seconds;
 838         os << ' ';
 839         os << setw(2) << setfill('0') << timecode.frames;
 840
 841         return os.str();
 842 }
 843
 844 void
 845 MackieControlProtocol::update_timecode_display()
 846 {
 847         Glib::Threads::Mutex::Lock lm (surfaces_lock);
 848
 849         if (surfaces.empty()) {
 850                 return;
 851         }
 852
 853         boost::shared_ptr<Surface> surface = surfaces.front();
 854
 855         if (surface->type() != mcu || !_device_info.has_timecode_display() || !surface->active ()) {
 856                 return;
 857         }
 858
 859         // do assignment here so current_frame is fixed
 860         framepos_t current_frame = session->transport_frame();
 861         string timecode;
 862
 863         switch (_timecode_type) {
 864         case ARDOUR::AnyTime::BBT:
 865                 timecode = format_bbt_timecode (current_frame);
 866                 break;
 867         case ARDOUR::AnyTime::Timecode:
 868                 timecode = format_timecode_timecode (current_frame);
 869                 break;
 870         default:
 871                 return;
 872         }
 873
 874         // only write the timecode string to the MCU if it's changed
 875         // since last time. This is to reduce midi bandwidth used.
 876         if (timecode != _timecode_last) {
 877                 surface->display_timecode (timecode, _timecode_last);
 878                 _timecode_last = timecode;
 879         }
 880 }
 881
 882 ///////////////////////////////////////////
 883 // Session signals
 884 ///////////////////////////////////////////
 885
 886 void MackieControlProtocol::notify_parameter_changed (std::string const & p)
 887 {
 888         if (p == "punch-in") {
 889                 update_global_button (Button::PunchIn, session->config.get_punch_in());
 890         } else if (p == "punch-out") {
 891                 update_global_button (Button::PunchOut, session->config.get_punch_out());
 892         } else if (p == "clicking") {
 893                 // update_global_button (Button::RelayClick, Config->get_clicking());
 894         } else {
 895                 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("parameter changed: %1\n", p));
 896         }
 897 }
 898
 899 // RouteList is the set of routes that have just been added
 900 void
 901 MackieControlProtocol::notify_route_added (ARDOUR::RouteList & rl)
 902 {
 903         // currently assigned banks are less than the full set of
 904         // strips, so activate the new strip now.
 905
 906         refresh_current_bank();
 907
 908         // otherwise route added, but current bank needs no updating
 909
 910         // make sure remote id changes in the new route are handled
 911         typedef ARDOUR::RouteList ARS;
 912
 913         for (ARS::iterator it = rl.begin(); it != rl.end(); ++it) {
 914                 (*it)->RemoteControlIDChanged.connect (route_connections, MISSING_INVALIDATOR, boost::bind (&MackieControlProtocol::notify_remote_id_changed, this), this);
 915         }
 916 }
 917
 918 void
 919 MackieControlProtocol::notify_solo_active_changed (bool active)
 920 {
 921         boost::shared_ptr<Surface> surface;
 922
 923         {
 924                 Glib::Threads::Mutex::Lock lm (surfaces_lock);
 925                 surface = surfaces.front ();
 926         }
 927
 928         map<int,Control*>::iterator x = surface->controls_by_device_independent_id.find (Led::RudeSolo);
 929         if (x != surface->controls_by_device_independent_id.end()) {
 930                 Led* rude_solo = dynamic_cast<Led*> (x->second);
 931                 if (rude_solo) {
 932                         surface->write (rude_solo->set_state (active ? flashing : off));
 933                 }
 934         }
 935 }
 936
 937 void
 938 MackieControlProtocol::notify_remote_id_changed()
 939 {
 940         Sorted sorted = get_sorted_routes();
 941         uint32_t sz = n_strips();
 942
 943         // if a remote id has been moved off the end, we need to shift
 944         // the current bank backwards.
 945
 946         if (sorted.size() - _current_initial_bank < sz) {
 947                 // but don't shift backwards past the zeroth channel
 948                 switch_banks (max((Sorted::size_type) 0, sorted.size() - sz));
 949         } else {
 950                 // Otherwise just refresh the current bank
 951                 refresh_current_bank();
 952         }
 953 }
 954
 955 ///////////////////////////////////////////
 956 // Transport signals
 957 ///////////////////////////////////////////
 958
 959 void
 960 MackieControlProtocol::notify_loop_state_changed()
 961 {
 962         update_global_button (Button::Loop, session->get_play_loop());
 963 }
 964
 965 void
 966 MackieControlProtocol::notify_transport_state_changed()
 967 {
 968         if (!_device_info.has_global_controls()) {
 969                 return;
 970         }
 971
 972         // switch various play and stop buttons on / off
 973         update_global_button (Button::Loop, session->get_play_loop());
 974         update_global_button (Button::Play, session->transport_speed() == 1.0);
 975         update_global_button (Button::Stop, session->transport_stopped ());
 976         update_global_button (Button::Rewind, session->transport_speed() < 0.0);
 977         update_global_button (Button::Ffwd, session->transport_speed() > 1.0);
 978
 979         notify_metering_state_changed ();
 980 }
 981
 982 void
 983 MackieControlProtocol::notify_metering_state_changed()
 984 {
 985         Glib::Threads::Mutex::Lock lm (surfaces_lock);
 986
 987         for (Surfaces::iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
 988                 (*s)->notify_metering_state_changed ();
 989         }
 990 }
 991
 992 void
 993 MackieControlProtocol::notify_record_state_changed ()
 994 {
 995         if (!_device_info.has_global_controls()) {
 996                 return;
 997         }
 998
 999         boost::shared_ptr<Surface> surface;
1000
1001         {
1002                 Glib::Threads::Mutex::Lock lm (surfaces_lock);
1003                 surface = surfaces.front();
1004         }
1005
1006         /* rec is a tristate */
1007
1008         map<int,Control*>::iterator x = surface->controls_by_device_independent_id.find (Button::Record);
1009         if (x != surface->controls_by_device_independent_id.end()) {
1010                 Button * rec = dynamic_cast<Button*> (x->second);
1011                 if (rec) {
1012                         LedState ls;
1013
1014                         switch (session->record_status()) {
1015                         case Session::Disabled:
1016                                 DEBUG_TRACE (DEBUG::MackieControl, "record state changed to disabled, LED off\n");
1017                                 ls = off;
1018                                 break;
1019                         case Session::Recording:
1020                                 DEBUG_TRACE (DEBUG::MackieControl, "record state changed to recording, LED on\n");
1021                                 ls = on;
1022                                 break;
1023                         case Session::Enabled:
1024                                 DEBUG_TRACE (DEBUG::MackieControl, "record state changed to enabled, LED flashing\n");
1025                                 ls = flashing;
1026                                 break;
1027                         }
1028
1029                         surface->write (rec->set_state (ls));
1030                 }
1031         }
1032 }
1033
1034 list<boost::shared_ptr<ARDOUR::Bundle> >
1035 MackieControlProtocol::bundles ()
1036 {
1037         list<boost::shared_ptr<ARDOUR::Bundle> > b;
1038         b.push_back (_input_bundle);
1039         b.push_back (_output_bundle);
1040         return b;
1041 }
1042
1043 void
1044 MackieControlProtocol::do_request (MackieControlUIRequest* req)
1045 {
1046         if (req->type == CallSlot) {
1047
1048                 call_slot (MISSING_INVALIDATOR, req->the_slot);
1049
1050         } else if (req->type == Quit) {
1051
1052                 stop ();
1053         }
1054 }
1055
1056 int
1057 MackieControlProtocol::stop ()
1058 {
1059         BaseUI::quit ();
1060
1061         return 0;
1062 }
1063
1064 void
1065 MackieControlProtocol::update_led (Surface& surface, Button& button, Mackie::LedState ls)
1066 {
1067         if (ls != none) {
1068                 surface.port().write (button.set_state (ls));
1069         }
1070 }
1071
1072 void
1073 MackieControlProtocol::build_button_map ()
1074 {
1075         /* this maps our device-independent button codes to the methods that handle them.
1076          */
1077
1078 #define DEFINE_BUTTON_HANDLER(b,p,r) button_map.insert (pair<Button::ID,ButtonHandlers> ((b), ButtonHandlers ((p),(r))));
1079
1080         DEFINE_BUTTON_HANDLER (Button::IO, &MackieControlProtocol::io_press, &MackieControlProtocol::io_release);
1081         DEFINE_BUTTON_HANDLER (Button::Sends, &MackieControlProtocol::sends_press, &MackieControlProtocol::sends_release);
1082         DEFINE_BUTTON_HANDLER (Button::Pan, &MackieControlProtocol::pan_press, &MackieControlProtocol::pan_release);
1083         DEFINE_BUTTON_HANDLER (Button::Plugin, &MackieControlProtocol::plugin_press, &MackieControlProtocol::plugin_release);
1084         DEFINE_BUTTON_HANDLER (Button::Eq, &MackieControlProtocol::eq_press, &MackieControlProtocol::eq_release);
1085         DEFINE_BUTTON_HANDLER (Button::Dyn, &MackieControlProtocol::dyn_press, &MackieControlProtocol::dyn_release);
1086         DEFINE_BUTTON_HANDLER (Button::Left, &MackieControlProtocol::left_press, &MackieControlProtocol::left_release);
1087         DEFINE_BUTTON_HANDLER (Button::Right, &MackieControlProtocol::right_press, &MackieControlProtocol::right_release);
1088         DEFINE_BUTTON_HANDLER (Button::ChannelLeft, &MackieControlProtocol::channel_left_press, &MackieControlProtocol::channel_left_release);
1089         DEFINE_BUTTON_HANDLER (Button::ChannelRight, &MackieControlProtocol::channel_right_press, &MackieControlProtocol::channel_right_release);
1090         DEFINE_BUTTON_HANDLER (Button::Flip, &MackieControlProtocol::flip_press, &MackieControlProtocol::flip_release);
1091         DEFINE_BUTTON_HANDLER (Button::Edit, &MackieControlProtocol::edit_press, &MackieControlProtocol::edit_release);
1092         DEFINE_BUTTON_HANDLER (Button::NameValue, &MackieControlProtocol::name_value_press, &MackieControlProtocol::name_value_release);
1093         DEFINE_BUTTON_HANDLER (Button::TimecodeBeats, &MackieControlProtocol::timecode_beats_press, &MackieControlProtocol::timecode_beats_release);
1094         DEFINE_BUTTON_HANDLER (Button::F1, &MackieControlProtocol::F1_press, &MackieControlProtocol::F1_release);
1095         DEFINE_BUTTON_HANDLER (Button::F2, &MackieControlProtocol::F2_press, &MackieControlProtocol::F2_release);
1096         DEFINE_BUTTON_HANDLER (Button::F3, &MackieControlProtocol::F3_press, &MackieControlProtocol::F3_release);
1097         DEFINE_BUTTON_HANDLER (Button::F4, &MackieControlProtocol::F4_press, &MackieControlProtocol::F4_release);
1098         DEFINE_BUTTON_HANDLER (Button::F5, &MackieControlProtocol::F5_press, &MackieControlProtocol::F5_release);
1099         DEFINE_BUTTON_HANDLER (Button::F6, &MackieControlProtocol::F6_press, &MackieControlProtocol::F6_release);
1100         DEFINE_BUTTON_HANDLER (Button::F7, &MackieControlProtocol::F7_press, &MackieControlProtocol::F7_release);
1101         DEFINE_BUTTON_HANDLER (Button::F8, &MackieControlProtocol::F8_press, &MackieControlProtocol::F8_release);
1102         DEFINE_BUTTON_HANDLER (Button::F9, &MackieControlProtocol::F9_press, &MackieControlProtocol::F9_release);
1103         DEFINE_BUTTON_HANDLER (Button::F10, &MackieControlProtocol::F10_press, &MackieControlProtocol::F10_release);
1104         DEFINE_BUTTON_HANDLER (Button::F11, &MackieControlProtocol::F11_press, &MackieControlProtocol::F11_release);
1105         DEFINE_BUTTON_HANDLER (Button::F12, &MackieControlProtocol::F12_press, &MackieControlProtocol::F12_release);
1106         DEFINE_BUTTON_HANDLER (Button::F13, &MackieControlProtocol::F13_press, &MackieControlProtocol::F13_release);
1107         DEFINE_BUTTON_HANDLER (Button::F14, &MackieControlProtocol::F14_press, &MackieControlProtocol::F14_release);
1108         DEFINE_BUTTON_HANDLER (Button::F15, &MackieControlProtocol::F15_press, &MackieControlProtocol::F15_release);
1109         DEFINE_BUTTON_HANDLER (Button::F16, &MackieControlProtocol::F16_press, &MackieControlProtocol::F16_release);
1110         DEFINE_BUTTON_HANDLER (Button::Shift, &MackieControlProtocol::shift_press, &MackieControlProtocol::shift_release);
1111         DEFINE_BUTTON_HANDLER (Button::Option, &MackieControlProtocol::option_press, &MackieControlProtocol::option_release);
1112         DEFINE_BUTTON_HANDLER (Button::Ctrl, &MackieControlProtocol::control_press, &MackieControlProtocol::control_release);
1113         DEFINE_BUTTON_HANDLER (Button::CmdAlt, &MackieControlProtocol::cmd_alt_press, &MackieControlProtocol::cmd_alt_release);
1114         DEFINE_BUTTON_HANDLER (Button::On, &MackieControlProtocol::on_press, &MackieControlProtocol::on_release);
1115         DEFINE_BUTTON_HANDLER (Button::RecReady, &MackieControlProtocol::rec_ready_press, &MackieControlProtocol::rec_ready_release);
1116         DEFINE_BUTTON_HANDLER (Button::Undo, &MackieControlProtocol::undo_press, &MackieControlProtocol::undo_release);
1117         DEFINE_BUTTON_HANDLER (Button::Save, &MackieControlProtocol::save_press, &MackieControlProtocol::save_release);
1118         DEFINE_BUTTON_HANDLER (Button::Touch, &MackieControlProtocol::touch_press, &MackieControlProtocol::touch_release);
1119         DEFINE_BUTTON_HANDLER (Button::Redo, &MackieControlProtocol::redo_press, &MackieControlProtocol::redo_release);
1120         DEFINE_BUTTON_HANDLER (Button::Marker, &MackieControlProtocol::marker_press, &MackieControlProtocol::marker_release);
1121         DEFINE_BUTTON_HANDLER (Button::Enter, &MackieControlProtocol::enter_press, &MackieControlProtocol::enter_release);
1122         DEFINE_BUTTON_HANDLER (Button::Cancel, &MackieControlProtocol::cancel_press, &MackieControlProtocol::cancel_release);
1123         DEFINE_BUTTON_HANDLER (Button::Mixer, &MackieControlProtocol::mixer_press, &MackieControlProtocol::mixer_release);
1124         DEFINE_BUTTON_HANDLER (Button::FrmLeft, &MackieControlProtocol::frm_left_press, &MackieControlProtocol::frm_left_release);
1125         DEFINE_BUTTON_HANDLER (Button::FrmRight, &MackieControlProtocol::frm_right_press, &MackieControlProtocol::frm_right_release);
1126         DEFINE_BUTTON_HANDLER (Button::Loop, &MackieControlProtocol::loop_press, &MackieControlProtocol::loop_release);
1127         DEFINE_BUTTON_HANDLER (Button::PunchIn, &MackieControlProtocol::punch_in_press, &MackieControlProtocol::punch_in_release);
1128         DEFINE_BUTTON_HANDLER (Button::PunchOut, &MackieControlProtocol::punch_out_press, &MackieControlProtocol::punch_out_release);
1129         DEFINE_BUTTON_HANDLER (Button::Home, &MackieControlProtocol::home_press, &MackieControlProtocol::home_release);
1130         DEFINE_BUTTON_HANDLER (Button::End, &MackieControlProtocol::end_press, &MackieControlProtocol::end_release);
1131         DEFINE_BUTTON_HANDLER (Button::Rewind, &MackieControlProtocol::rewind_press, &MackieControlProtocol::rewind_release);
1132         DEFINE_BUTTON_HANDLER (Button::Ffwd, &MackieControlProtocol::ffwd_press, &MackieControlProtocol::ffwd_release);
1133         DEFINE_BUTTON_HANDLER (Button::Stop, &MackieControlProtocol::stop_press, &MackieControlProtocol::stop_release);
1134         DEFINE_BUTTON_HANDLER (Button::Play, &MackieControlProtocol::play_press, &MackieControlProtocol::play_release);
1135         DEFINE_BUTTON_HANDLER (Button::Record, &MackieControlProtocol::record_press, &MackieControlProtocol::record_release);
1136         DEFINE_BUTTON_HANDLER (Button::CursorUp, &MackieControlProtocol::cursor_up_press, &MackieControlProtocol::cursor_up_release);
1137         DEFINE_BUTTON_HANDLER (Button::CursorDown, &MackieControlProtocol::cursor_down_press, &MackieControlProtocol::cursor_down_release);
1138         DEFINE_BUTTON_HANDLER (Button::CursorLeft, &MackieControlProtocol::cursor_left_press, &MackieControlProtocol::cursor_left_release);
1139         DEFINE_BUTTON_HANDLER (Button::CursorRight, &MackieControlProtocol::cursor_right_press, &MackieControlProtocol::cursor_right_release);
1140         DEFINE_BUTTON_HANDLER (Button::Zoom, &MackieControlProtocol::zoom_press, &MackieControlProtocol::zoom_release);
1141         DEFINE_BUTTON_HANDLER (Button::Scrub, &MackieControlProtocol::scrub_press, &MackieControlProtocol::scrub_release);
1142         DEFINE_BUTTON_HANDLER (Button::UserA, &MackieControlProtocol::user_a_press, &MackieControlProtocol::user_a_release);
1143         DEFINE_BUTTON_HANDLER (Button::UserB, &MackieControlProtocol::user_b_press, &MackieControlProtocol::user_b_release);
1144         DEFINE_BUTTON_HANDLER (Button::MasterFaderTouch, &MackieControlProtocol::master_fader_touch_press, &MackieControlProtocol::master_fader_touch_release);
1145
1146         DEFINE_BUTTON_HANDLER (Button::Snapshot, &MackieControlProtocol::snapshot_press, &MackieControlProtocol::snapshot_release);
1147         DEFINE_BUTTON_HANDLER (Button::Read, &MackieControlProtocol::read_press, &MackieControlProtocol::read_release);
1148         DEFINE_BUTTON_HANDLER (Button::Write, &MackieControlProtocol::write_press, &MackieControlProtocol::write_release);
1149         DEFINE_BUTTON_HANDLER (Button::FdrGroup, &MackieControlProtocol::fdrgroup_press, &MackieControlProtocol::fdrgroup_release);
1150         DEFINE_BUTTON_HANDLER (Button::ClearSolo, &MackieControlProtocol::clearsolo_press, &MackieControlProtocol::clearsolo_release);
1151         DEFINE_BUTTON_HANDLER (Button::Track, &MackieControlProtocol::track_press, &MackieControlProtocol::track_release);
1152         DEFINE_BUTTON_HANDLER (Button::Send, &MackieControlProtocol::send_press, &MackieControlProtocol::send_release);
1153         DEFINE_BUTTON_HANDLER (Button::MidiTracks, &MackieControlProtocol::miditracks_press, &MackieControlProtocol::miditracks_release);
1154         DEFINE_BUTTON_HANDLER (Button::Inputs, &MackieControlProtocol::inputs_press, &MackieControlProtocol::inputs_release);
1155         DEFINE_BUTTON_HANDLER (Button::AudioTracks, &MackieControlProtocol::audiotracks_press, &MackieControlProtocol::audiotracks_release);
1156         DEFINE_BUTTON_HANDLER (Button::AudioInstruments, &MackieControlProtocol::audioinstruments_press, &MackieControlProtocol::audioinstruments_release);
1157         DEFINE_BUTTON_HANDLER (Button::Aux, &MackieControlProtocol::aux_press, &MackieControlProtocol::aux_release);
1158         DEFINE_BUTTON_HANDLER (Button::Busses, &MackieControlProtocol::busses_press, &MackieControlProtocol::busses_release);
1159         DEFINE_BUTTON_HANDLER (Button::Outputs, &MackieControlProtocol::outputs_press, &MackieControlProtocol::outputs_release);
1160         DEFINE_BUTTON_HANDLER (Button::User, &MackieControlProtocol::user_press, &MackieControlProtocol::user_release);
1161         DEFINE_BUTTON_HANDLER (Button::Trim, &MackieControlProtocol::trim_press, &MackieControlProtocol::trim_release);
1162         DEFINE_BUTTON_HANDLER (Button::Latch, &MackieControlProtocol::latch_press, &MackieControlProtocol::latch_release);
1163         DEFINE_BUTTON_HANDLER (Button::Grp, &MackieControlProtocol::grp_press, &MackieControlProtocol::grp_release);
1164         DEFINE_BUTTON_HANDLER (Button::Nudge, &MackieControlProtocol::nudge_press, &MackieControlProtocol::nudge_release);
1165         DEFINE_BUTTON_HANDLER (Button::Drop, &MackieControlProtocol::drop_press, &MackieControlProtocol::drop_release);
1166         DEFINE_BUTTON_HANDLER (Button::Replace, &MackieControlProtocol::replace_press, &MackieControlProtocol::replace_release);
1167         DEFINE_BUTTON_HANDLER (Button::Click, &MackieControlProtocol::click_press, &MackieControlProtocol::click_release);
1168         DEFINE_BUTTON_HANDLER (Button::View, &MackieControlProtocol::view_press, &MackieControlProtocol::view_release);
1169 }
1170
1171 void
1172 MackieControlProtocol::handle_button_event (Surface& surface, Button& button, ButtonState bs)
1173 {
1174         if  (bs != press && bs != release) {
1175                 update_led (surface, button, none);
1176                 return;
1177         }
1178
1179         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Handling %1 for button %2 (%3)\n", (bs == press ? "press" : "release"), button.id(),
1180                                                            Button::id_to_name (button.bid())));
1181
1182         /* check profile first */
1183
1184         string action = _device_profile.get_button_action (button.bid(), _modifier_state);
1185
1186         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Looked up action for button %1 with modifier %2, got [%3]\n",
1187                                                            button.bid(), _modifier_state, action));
1188
1189         if (!action.empty()) {
1190                 /* if there is a bound action for this button, and this is a press event,
1191                    carry out the action. If its a release event, do nothing since we
1192                    don't bind to them at all but don't want any other handling to
1193                    occur either.
1194                 */
1195                 if (bs == press) {
1196                         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("executing action %1\n", action));
1197                         access_action (action);
1198                 }
1199                 return;
1200         }
1201
1202         /* lookup using the device-INDEPENDENT button ID */
1203
1204         ButtonMap::iterator b = button_map.find (button.bid());
1205
1206         if (b != button_map.end()) {
1207
1208                 ButtonHandlers& bh (b->second);
1209
1210                 switch  (bs) {
1211                 case press:
1212                         surface.write (button.set_state ((this->*(bh.press)) (button)));
1213                         break;
1214                 case release:
1215                         surface.write (button.set_state ((this->*(bh.release)) (button)));
1216                         break;
1217                 default:
1218                         break;
1219                 }
1220         } else {
1221                 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("no button handlers for button ID %1 (device ID %2)\n",
1222                                                                    button.bid(), button.id()));
1223                 error << string_compose ("no button handlers for button ID %1 (device ID %2)\n",
1224                                          button.bid(), button.id()) << endmsg;
1225         }
1226 }
1227
1228 bool
1229 MackieControlProtocol::midi_input_handler (IOCondition ioc, MIDI::Port* port)
1230 {
1231         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("something happend on  %1\n", port->name()));
1232
1233         if (ioc & ~IO_IN) {
1234                 return false;
1235         }
1236
1237         if (ioc & IO_IN) {
1238
1239                 /* Devices using regular JACK MIDI ports will need to have
1240                    the x-thread FIFO drained to avoid burning endless CPU.
1241
1242                    Devices using ipMIDI have port->selectable() as the same
1243                    file descriptor that data arrives on, so doing this
1244                    for them will simply throw all incoming data away.
1245                 */
1246
1247                 if (!_device_info.uses_ipmidi()) {
1248                         CrossThreadChannel::drain (port->selectable());
1249                 }
1250
1251                 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("data available on %1\n", port->name()));
1252                 framepos_t now = session->engine().sample_time();
1253                 port->parse (now);
1254         }
1255
1256         return true;
1257 }
1258
1259 void
1260 MackieControlProtocol::clear_ports ()
1261 {
1262         _input_bundle->remove_channels ();
1263         _output_bundle->remove_channels ();
1264
1265         for (PortSources::iterator i = port_sources.begin(); i != port_sources.end(); ++i) {
1266                 g_source_destroy (*i);
1267                 g_source_unref (*i);
1268         }
1269
1270         port_sources.clear ();
1271 }
1272
1273 void
1274 MackieControlProtocol::set_view_mode (ViewMode m)
1275 {
1276         Glib::Threads::Mutex::Lock lm (surfaces_lock);
1277
1278         _view_mode = m;
1279
1280         for (Surfaces::iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
1281                 (*s)->update_view_mode_display ();
1282         }
1283
1284 }
1285
1286 void
1287 MackieControlProtocol::set_flip_mode (FlipMode fm)
1288 {
1289         Glib::Threads::Mutex::Lock lm (surfaces_lock);
1290
1291         _flip_mode = fm;
1292
1293         for (Surfaces::iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
1294                 (*s)->update_flip_mode_display ();
1295         }
1296 }
1297
1298 void
1299 MackieControlProtocol::set_master_on_surface_strip (uint32_t surface, uint32_t strip_number)
1300 {
1301         force_special_route_to_strip (session->master_out(), surface, strip_number);
1302 }
1303
1304 void
1305 MackieControlProtocol::set_monitor_on_surface_strip (uint32_t surface, uint32_t strip_number)
1306 {
1307         force_special_route_to_strip (session->monitor_out(), surface, strip_number);
1308 }
1309
1310 void
1311 MackieControlProtocol::force_special_route_to_strip (boost::shared_ptr<Route> r, uint32_t surface, uint32_t strip_number)
1312 {
1313         if (!r) {
1314                 return;
1315         }
1316
1317         Glib::Threads::Mutex::Lock lm (surfaces_lock);
1318
1319         for (Surfaces::iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
1320                 if ((*s)->number() == surface) {
1321                         Strip* strip = (*s)->nth_strip (strip_number);
1322                         if (strip) {
1323                                 strip->set_route (session->master_out());
1324                                 strip->lock_controls ();
1325                         }
1326                 }
1327         }
1328 }
1329
1330 void
1331 MackieControlProtocol::gui_track_selection_changed (ARDOUR::RouteNotificationListPtr rl, bool save_list)
1332 {
1333         _gui_track_selection_changed (rl.get(), save_list);
1334 }
1335
1336 void
1337 MackieControlProtocol::_gui_track_selection_changed (ARDOUR::RouteNotificationList* rl, bool save_list)
1338 {
1339         /* We need to keep a list of the most recently selected routes around,
1340            but we are not allowed to keep shared_ptr<Route> unless we want to
1341            handle the complexities of route deletion. So instead, the GUI sends
1342            us a notification using weak_ptr<Route>, which we keep a copy
1343            of. For efficiency's sake, however, we convert the weak_ptr's into
1344            shared_ptr<Route> before passing them to however many surfaces (and
1345            thus strips) that we have.
1346         */
1347
1348         StrongRouteNotificationList srl;
1349
1350         for (ARDOUR::RouteNotificationList::const_iterator i = rl->begin(); i != rl->end(); ++i) {
1351                 boost::shared_ptr<ARDOUR::Route> r = (*i).lock();
1352                 if (r) {
1353                         srl.push_back (r);
1354                 }
1355         }
1356
1357         {
1358                 Glib::Threads::Mutex::Lock lm (surfaces_lock);
1359
1360                 for (Surfaces::iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
1361                         (*s)->gui_selection_changed (srl);
1362                 }
1363         }
1364
1365         if (save_list) {
1366                 _last_selected_routes = *rl;
1367         }
1368 }
1369
1370 framepos_t
1371 MackieControlProtocol::transport_frame() const
1372 {
1373         return session->transport_frame();
1374 }
1375
1376 void
1377 MackieControlProtocol::add_down_select_button (int surface, int strip)
1378 {
1379         _down_select_buttons.insert ((surface<<8)|(strip&0xf));
1380 }
1381
1382 void
1383 MackieControlProtocol::remove_down_select_button (int surface, int strip)
1384 {
1385         DownButtonList::iterator x = find (_down_select_buttons.begin(), _down_select_buttons.end(), (surface<<8)|(strip&0xf));
1386         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("removing surface %1 strip %2 from down select buttons\n", surface, strip));
1387         if (x != _down_select_buttons.end()) {
1388                 _down_select_buttons.erase (x);
1389         } else {
1390                 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("surface %1 strip %2 not found in down select buttons\n",
1391                                                                    surface, strip));
1392         }
1393 }
1394
1395 void
1396 MackieControlProtocol::select_range ()
1397 {
1398         RouteList routes;
1399
1400         pull_route_range (_down_select_buttons, routes);
1401
1402         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("select range: found %1 routes\n", routes.size()));
1403
1404         if (!routes.empty()) {
1405                 for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
1406
1407                         if (_modifier_state == MODIFIER_CONTROL) {
1408                                 ToggleRouteSelection ((*r)->remote_control_id ());
1409                         } else {
1410                                 if (r == routes.begin()) {
1411                                         SetRouteSelection ((*r)->remote_control_id());
1412                                 } else {
1413                                         AddRouteToSelection ((*r)->remote_control_id());
1414                                 }
1415                         }
1416                 }
1417         }
1418 }
1419
1420 void
1421 MackieControlProtocol::add_down_button (AutomationType a, int surface, int strip)
1422 {
1423         DownButtonMap::iterator m = _down_buttons.find (a);
1424
1425         if (m == _down_buttons.end()) {
1426                 _down_buttons[a] = DownButtonList();
1427         }
1428
1429         _down_buttons[a].insert ((surface<<8)|(strip&0xf));
1430 }
1431
1432 void
1433 MackieControlProtocol::remove_down_button (AutomationType a, int surface, int strip)
1434 {
1435         DownButtonMap::iterator m = _down_buttons.find (a);
1436
1437         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("removing surface %1 strip %2 from down buttons for %3\n", surface, strip, (int) a));
1438
1439         if (m == _down_buttons.end()) {
1440                 return;
1441         }
1442
1443         DownButtonList& l (m->second);
1444         DownButtonList::iterator x = find (l.begin(), l.end(), (surface<<8)|(strip&0xf));
1445
1446         if (x != l.end()) {
1447                 l.erase (x);
1448         } else {
1449                 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("surface %1 strip %2 not found in down buttons for %3\n",
1450                                                                    surface, strip, (int) a));
1451         }
1452 }
1453
1454 MackieControlProtocol::ControlList
1455 MackieControlProtocol::down_controls (AutomationType p)
1456 {
1457         ControlList controls;
1458         RouteList routes;
1459
1460         DownButtonMap::iterator m = _down_buttons.find (p);
1461
1462         if (m == _down_buttons.end()) {
1463                 return controls;
1464         }
1465
1466         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("looking for down buttons for %1, got %2\n",
1467                                                            p, m->second.size()));
1468
1469         pull_route_range (m->second, routes);
1470
1471         switch (p) {
1472         case GainAutomation:
1473                 for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
1474                         controls.push_back ((*r)->gain_control());
1475                 }
1476                 break;
1477         case SoloAutomation:
1478                 for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
1479                         controls.push_back ((*r)->solo_control());
1480                 }
1481                 break;
1482         case MuteAutomation:
1483                 for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
1484                         controls.push_back ((*r)->mute_control());
1485                 }
1486                 break;
1487         case RecEnableAutomation:
1488                 for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
1489                         boost::shared_ptr<Track> trk = boost::dynamic_pointer_cast<Track> (*r);
1490                         if (trk) {
1491                                 controls.push_back (trk->rec_enable_control());
1492                         }
1493                 }
1494                 break;
1495         default:
1496                 break;
1497         }
1498
1499         return controls;
1500
1501 }
1502
1503 struct ButtonRangeSorter {
1504     bool operator() (const uint32_t& a, const uint32_t& b) {
1505             return (a>>8) < (b>>8) // a.surface < b.surface
1506                     ||
1507                     ((a>>8) == (b>>8) && (a&0xf) < (b&0xf)); // a.surface == b.surface && a.strip < b.strip
1508     }
1509 };
1510
1511 void
1512 MackieControlProtocol::pull_route_range (DownButtonList& down, RouteList& selected)
1513 {
1514         ButtonRangeSorter cmp;
1515
1516         if (down.empty()) {
1517                 return;
1518         }
1519
1520         list<uint32_t> ldown;
1521         ldown.insert (ldown.end(), down.begin(), down.end());
1522         ldown.sort (cmp);
1523
1524         uint32_t first = ldown.front();
1525         uint32_t last = ldown.back ();
1526
1527         uint32_t first_surface = first>>8;
1528         uint32_t first_strip = first&0xf;
1529
1530         uint32_t last_surface = last>>8;
1531         uint32_t last_strip = last&0xf;
1532
1533         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("PRR %5 in list %1.%2 - %3.%4\n", first_surface, first_strip, last_surface, last_strip,
1534                                                            down.size()));
1535
1536         Glib::Threads::Mutex::Lock lm (surfaces_lock);
1537
1538         for (Surfaces::const_iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
1539
1540                 if ((*s)->number() >= first_surface && (*s)->number() <= last_surface) {
1541
1542                         uint32_t fs;
1543                         uint32_t ls;
1544
1545                         if ((*s)->number() == first_surface) {
1546                                 fs = first_strip;
1547                         } else {
1548                                 fs = 0;
1549                         }
1550
1551                         if ((*s)->number() == last_surface) {
1552                                 ls = last_strip;
1553                                 ls += 1;
1554                         } else {
1555                                 ls = (*s)->n_strips ();
1556                         }
1557
1558                         DEBUG_TRACE (DEBUG::MackieControl, string_compose ("adding strips for surface %1 (%2 .. %3)\n",
1559                                                                            (*s)->number(), fs, ls));
1560
1561                         for (uint32_t n = fs; n < ls; ++n) {
1562                                 boost::shared_ptr<Route> r = (*s)->nth_strip (n)->route();
1563                                 if (r) {
1564                                         selected.push_back (r);
1565                                 }
1566                         }
1567                 }
1568         }
1569 }
1570
1571 void
1572 MackieControlProtocol::set_ipmidi_base (int16_t portnum)
1573 {
1574         /* this will not be saved without a session save, so .. */
1575
1576         session->set_dirty ();
1577
1578         _ipmidi_base = portnum;
1579
1580         /* if the current device uses ipMIDI we need
1581            to restart.
1582         */
1583
1584         if (_active && _device_info.uses_ipmidi()) {
1585                 needs_ipmidi_restart = true;
1586         }
1587 }
1588
1589 int
1590 MackieControlProtocol::ipmidi_restart ()
1591 {
1592         clear_ports ();
1593         clear_surfaces ();
1594         if (create_surfaces ()) {
1595                 return -1;
1596         }
1597         switch_banks (_current_initial_bank, true);
1598         needs_ipmidi_restart = false;
1599         return 0;
1600 }
1601
1602 void
1603 MackieControlProtocol::clear_surfaces ()
1604 {
1605         Glib::Threads::Mutex::Lock lm (surfaces_lock);
1606         surfaces.clear ();
1607 }