libs/ardour/globals.cc

   1 /*
   2     Copyright (C) 2000 Paul Davis
   3
   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.
   8
   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.
  13
  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.
  17
  18 */
  19
  20 #include <cstdio> // Needed so that libraptor (included in lrdf) won't complain
  21 #include <sys/stat.h>
  22 #include <sys/types.h>
  23 #include <sys/time.h>
  24 #include <sys/resource.h>
  25 #include <unistd.h>
  26 #include <fcntl.h>
  27 #include <errno.h>
  28
  29 #ifdef VST_SUPPORT
  30 #include <fst.h>
  31 #endif
  32
  33 #ifdef HAVE_AUDIOUNITS
  34 #include <ardour/audio_unit.h>
  35 #endif
  36
  37 #ifdef __SSE__
  38 #include <xmmintrin.h>
  39 #endif
  40
  41 #include <glibmm/fileutils.h>
  42 #include <glibmm/miscutils.h>
  43
  44 #include <lrdf.h>
  45
  46 #include <pbd/error.h>
  47 #include <pbd/id.h>
  48 #include <pbd/strsplit.h>
  49 #include <pbd/fpu.h>
  50 #include <pbd/pathscanner.h>
  51
  52 #include <midi++/port.h>
  53 #include <midi++/manager.h>
  54 #include <midi++/mmc.h>
  55
  56 #include <ardour/ardour.h>
  57 #include <ardour/analyser.h>
  58 #include <ardour/audio_library.h>
  59 #include <ardour/configuration.h>
  60 #include <ardour/profile.h>
  61 #include <ardour/plugin_manager.h>
  62 #include <ardour/audiosource.h>
  63 #include <ardour/utils.h>
  64 #include <ardour/session.h>
  65 #include <ardour/source_factory.h>
  66 #include <ardour/control_protocol_manager.h>
  67
  68 #ifdef HAVE_LIBLO
  69 #include <ardour/osc.h>
  70 #endif
  71
  72 #include <ardour/mix.h>
  73
  74 #if defined (__APPLE__)
  75        #include <Carbon/Carbon.h> // For Gestalt
  76 #endif
  77
  78 #include "i18n.h"
  79
  80 ARDOUR::Configuration* ARDOUR::Config = 0;
  81 ARDOUR::RuntimeProfile* ARDOUR::Profile = 0;
  82 ARDOUR::AudioLibrary* ARDOUR::Library = 0;
  83
  84 #ifdef HAVE_LIBLO
  85 ARDOUR::OSC* ARDOUR::osc = 0;
  86 #endif
  87
  88 using namespace ARDOUR;
  89 using namespace std;
  90 using namespace PBD;
  91
  92 MIDI::Port *ARDOUR::default_mmc_port = 0;
  93 MIDI::Port *ARDOUR::default_mtc_port = 0;
  94 MIDI::Port *ARDOUR::default_midi_port = 0;
  95
  96 Change ARDOUR::StartChanged = ARDOUR::new_change ();
  97 Change ARDOUR::LengthChanged = ARDOUR::new_change ();
  98 Change ARDOUR::PositionChanged = ARDOUR::new_change ();
  99 Change ARDOUR::NameChanged = ARDOUR::new_change ();
 100 Change ARDOUR::BoundsChanged = Change (0); // see init(), below
 101
 102 sigc::signal<void,std::string> ARDOUR::BootMessage;
 103
 104 #ifdef HAVE_LIBLO
 105 static int
 106 setup_osc ()
 107 {
 108         /* no real cost to creating this object, and it avoids
 109            conditionals anywhere that uses it
 110         */
 111
 112         osc = new OSC (Config->get_osc_port());
 113
 114         if (Config->get_use_osc ()) {
 115                 BootMessage (_("Starting OSC"));
 116                 return osc->start ();
 117         } else {
 118                 return 0;
 119         }
 120 }
 121
 122 #endif
 123
 124 int
 125 ARDOUR::setup_midi ()
 126 {
 127         if (Config->midi_ports.size() == 0) {
 128                 warning << _("no MIDI ports specified: no MMC or MTC control possible") << endmsg;
 129                 return 0;
 130         }
 131
 132         BootMessage (_("Configuring MIDI ports"));
 133
 134         for (std::map<string,XMLNode>::iterator i = Config->midi_ports.begin(); i != Config->midi_ports.end(); ++i) {
 135                 MIDI::Manager::instance()->add_port (i->second);
 136         }
 137
 138         MIDI::Port* first;
 139         const MIDI::Manager::PortMap& ports = MIDI::Manager::instance()->get_midi_ports();
 140
 141         if (ports.size() > 1) {
 142
 143                 first = ports.begin()->second;
 144
 145                 /* More than one port, so try using specific names for each port */
 146
 147                 if (Config->get_mmc_port_name() != N_("default")) {
 148                         default_mmc_port =  MIDI::Manager::instance()->port (Config->get_mmc_port_name());
 149                 }
 150
 151                 if (Config->get_mtc_port_name() != N_("default")) {
 152                         default_mtc_port =  MIDI::Manager::instance()->port (Config->get_mtc_port_name());
 153                 }
 154
 155                 if (Config->get_midi_port_name() != N_("default")) {
 156                         default_midi_port =  MIDI::Manager::instance()->port (Config->get_midi_port_name());
 157                 }
 158
 159                 /* If that didn't work, just use the first listed port */
 160
 161                 if (default_mmc_port == 0) {
 162                         default_mmc_port = first;
 163                 }
 164
 165                 if (default_mtc_port == 0) {
 166                         default_mtc_port = first;
 167                 }
 168
 169                 if (default_midi_port == 0) {
 170                         default_midi_port = first;
 171                 }
 172
 173         } else if (ports.size() == 1) {
 174
 175                 first = ports.begin()->second;
 176
 177                 /* Only one port described, so use it for both MTC and MMC */
 178
 179                 default_mmc_port = first;
 180                 default_mtc_port = default_mmc_port;
 181                 default_midi_port = default_mmc_port;
 182         }
 183
 184         if (default_mmc_port == 0) {
 185                 warning << string_compose (_("No MMC control (MIDI port \"%1\" not available)"), Config->get_mmc_port_name())
 186                         << endmsg;
 187                 return 0;
 188         }
 189
 190
 191         if (default_mtc_port == 0) {
 192                 warning << string_compose (_("No MTC support (MIDI port \"%1\" not available)"), Config->get_mtc_port_name())
 193                         << endmsg;
 194         }
 195
 196         if (default_midi_port == 0) {
 197                 warning << string_compose (_("No MIDI parameter support (MIDI port \"%1\" not available)"), Config->get_midi_port_name())
 198                         << endmsg;
 199         }
 200
 201         return 0;
 202 }
 203
 204 void
 205 setup_hardware_optimization (bool try_optimization)
 206 {
 207         bool generic_mix_functions = true;
 208
 209         if (try_optimization) {
 210
 211                 FPU fpu;
 212
 213 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
 214
 215                 if (fpu.has_sse()) {
 216
 217                         info << "Using SSE optimized routines" << endmsg;
 218
 219                         // SSE SET
 220                         Session::compute_peak           = x86_sse_compute_peak;
 221                         Session::find_peaks             = x86_sse_find_peaks;
 222                         Session::apply_gain_to_buffer   = x86_sse_apply_gain_to_buffer;
 223                         Session::mix_buffers_with_gain  = x86_sse_mix_buffers_with_gain;
 224                         Session::mix_buffers_no_gain    = x86_sse_mix_buffers_no_gain;
 225
 226                         generic_mix_functions = false;
 227
 228                 }
 229
 230 #elif defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
 231                 long sysVersion = 0;
 232
 233                 if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
 234                         sysVersion = 0;
 235
 236                 if (sysVersion >= 0x00001040) { // Tiger at least
 237                         Session::compute_peak           = veclib_compute_peak;
 238                         Session::find_peaks             = veclib_find_peaks;
 239                         Session::apply_gain_to_buffer   = veclib_apply_gain_to_buffer;
 240                         Session::mix_buffers_with_gain  = veclib_mix_buffers_with_gain;
 241                         Session::mix_buffers_no_gain    = veclib_mix_buffers_no_gain;
 242
 243                         generic_mix_functions = false;
 244
 245                         info << "Apple VecLib H/W specific optimizations in use" << endmsg;
 246                 }
 247 #endif
 248
 249                 /* consider FPU denormal handling to be "h/w optimization" */
 250
 251                 setup_fpu ();
 252         }
 253
 254         if (generic_mix_functions) {
 255
 256                 Session::compute_peak           = compute_peak;
 257                 Session::find_peaks             = find_peaks;
 258                 Session::apply_gain_to_buffer   = apply_gain_to_buffer;
 259                 Session::mix_buffers_with_gain  = mix_buffers_with_gain;
 260                 Session::mix_buffers_no_gain    = mix_buffers_no_gain;
 261
 262                 info << "No H/W specific optimizations in use" << endmsg;
 263         }
 264
 265 }
 266
 267 static void
 268 lotsa_files_please ()
 269 {
 270         struct rlimit rl;
 271
 272         if (getrlimit (RLIMIT_NOFILE, &rl) == 0) {
 273
 274                 rl.rlim_cur = rl.rlim_max;
 275
 276                 if (setrlimit (RLIMIT_NOFILE, &rl) != 0) {
 277                         if (rl.rlim_cur == RLIM_INFINITY) {
 278                                 error << _("Could not set system open files limit to \"unlimited\"") << endmsg;
 279                         } else {
 280                                 error << string_compose (_("Could not set system open files limit to %1"), rl.rlim_cur) << endmsg;
 281                         }
 282                 } else {
 283                         if (rl.rlim_cur == RLIM_INFINITY) {
 284                                 info << _("Removed open file count limit. Excellent!") << endmsg;
 285                         } else {
 286                                 info << string_compose (_("%1 will be limited to %2 open files"), PROGRAM_NAME, rl.rlim_cur) << endmsg;
 287                         }
 288                 }
 289         } else {
 290                 error << string_compose (_("Could not get system open files limit (%1)"), strerror (errno)) << endmsg;
 291         }
 292 }
 293
 294 int
 295 ARDOUR::init (bool use_vst, bool try_optimization)
 296 {
 297         extern void setup_enum_writer ();
 298
 299         (void) bindtextdomain(PACKAGE, LOCALEDIR);
 300
 301         setup_enum_writer ();
 302
 303         // allow ardour the absolute maximum number of open files
 304         lotsa_files_please ();
 305
 306         lrdf_init();
 307         Library = new AudioLibrary;
 308
 309         BootMessage (_("Loading configuration"));
 310
 311         Config = new Configuration;
 312
 313         if (Config->load_state ()) {
 314                 return -1;
 315         }
 316
 317         Config->set_use_vst (use_vst);
 318
 319         Profile = new RuntimeProfile;
 320
 321         if (setup_midi ()) {
 322                 return -1;
 323         }
 324
 325 #ifdef HAVE_LIBLO
 326         if (setup_osc ()) {
 327                 return -1;
 328         }
 329 #endif
 330
 331 #ifdef VST_SUPPORT
 332         if (Config->get_use_vst() && fst_init (0)) {
 333                 return -1;
 334         }
 335 #endif
 336
 337 #ifdef HAVE_AUDIOUNITS
 338         AUPluginInfo::load_cached_info ();
 339 #endif
 340
 341         /* Make VAMP look in our library ahead of anything else */
 342
 343         char *p = getenv ("VAMP_PATH");
 344         string vamppath = VAMP_DIR;
 345         if (p) {
 346                 vamppath += ':';
 347                 vamppath += p;
 348         }
 349         setenv ("VAMP_PATH", vamppath.c_str(), 1);
 350
 351
 352         setup_hardware_optimization (try_optimization);
 353
 354         SourceFactory::init ();
 355         Analyser::init ();
 356
 357         /* singleton - first object is "it" */
 358         new PluginManager ();
 359
 360         /* singleton - first object is "it" */
 361         new ControlProtocolManager ();
 362         ControlProtocolManager::instance().discover_control_protocols (Session::control_protocol_path());
 363
 364         XMLNode* node;
 365         if ((node = Config->control_protocol_state()) != 0) {
 366                 ControlProtocolManager::instance().set_state (*node);
 367         }
 368
 369         BoundsChanged = Change (StartChanged|PositionChanged|LengthChanged);
 370
 371         return 0;
 372 }
 373
 374 int
 375 ARDOUR::cleanup ()
 376 {
 377         delete Library;
 378         lrdf_cleanup ();
 379         delete &ControlProtocolManager::instance();
 380 #ifdef VST_SUPPORT
 381         fst_exit ();
 382 #endif
 383         return 0;
 384 }
 385
 386
 387 microseconds_t
 388 ARDOUR::get_microseconds ()
 389 {
 390         return (microseconds_t) jack_get_time ();
 391 }
 392
 393 ARDOUR::Change
 394 ARDOUR::new_change ()
 395 {
 396         Change c;
 397         static uint32_t change_bit = 1;
 398
 399         /* catch out-of-range */
 400         if (!change_bit)
 401         {
 402                 fatal << _("programming error: ")
 403                         << "change_bit out of range in ARDOUR::new_change()"
 404                         << endmsg;
 405                 /*NOTREACHED*/
 406         }
 407
 408         c = Change (change_bit);
 409         change_bit <<= 1;       // if it shifts too far, change_bit == 0
 410
 411         return c;
 412 }
 413
 414 string
 415 ARDOUR::get_ardour_revision ()
 416 {
 417         return "$Rev$";
 418 }
 419
 420 string
 421 ARDOUR::get_user_ardour_path ()
 422 {
 423         string path;
 424
 425         path = Glib::get_home_dir();
 426
 427         if (path.empty()) {
 428                 return "/";
 429         }
 430
 431         path += "/.ardour2/";
 432
 433         /* create it if necessary */
 434
 435         if (g_mkdir_with_parents (path.c_str (), 0755)) {
 436                 cerr << "\n\n\nYour home folder is not writable (Ardour cannot create its settings folder there). Please fix this before running Ardour again."
 437                      << endl;
 438                 _exit (1);
 439         }
 440
 441         return path;
 442 }
 443
 444 string
 445 ARDOUR::get_system_data_path ()
 446 {
 447         string path;
 448
 449         char *envvar;
 450
 451         if ((envvar = getenv ("ARDOUR_DATA_PATH")) != 0) {
 452                 path = envvar;
 453         } else {
 454                 path += DATA_DIR;
 455                 path += "/ardour2/";
 456         }
 457
 458         return path;
 459 }
 460
 461 string
 462 ARDOUR::get_system_module_path ()
 463 {
 464         string path;
 465         char *envvar;
 466
 467         if ((envvar = getenv ("ARDOUR_MODULE_PATH")) != 0) {
 468                 path = envvar;
 469         } else {
 470                 path += MODULE_DIR;
 471                 path += "/ardour2/";
 472         }
 473
 474         return path;
 475 }
 476
 477 static string
 478 find_file (string name, string dir, string subdir = "")
 479 {
 480         string path;
 481         char* envvar = getenv("ARDOUR_PATH");
 482
 483         /* 1st attempt: any directory in ARDOUR_PATH */
 484
 485         if (envvar != 0) {
 486
 487                 vector<string> split_path;
 488
 489                 split (envvar, split_path, ':');
 490
 491                 for (vector<string>::iterator i = split_path.begin(); i != split_path.end(); ++i) {
 492                         path = *i;
 493                         path += "/" + name;
 494                         if (Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 495                                 // cerr << "Using file " << path << " found in ARDOUR_PATH." << endl;
 496                                 return path;
 497                         }
 498                 }
 499         }
 500
 501         /* 2nd attempt: ~/.ardour/ */
 502
 503         path = get_user_ardour_path();
 504
 505         if (subdir.length()) {
 506                 path = Glib::build_filename (path, subdir);
 507         }
 508
 509         path = Glib::build_filename (path, name);
 510
 511         if (Glib::file_test (path.c_str(), Glib::FILE_TEST_EXISTS)) {
 512                 return path;
 513         }
 514
 515         if (dir.length()) {
 516                 /* 3rd attempt: dir/... */
 517
 518                 path = dir;
 519                 path += "/ardour2/";
 520
 521                 if (subdir.length()) {
 522                         path += subdir + "/";
 523                 }
 524
 525                 path += name;
 526
 527                 if (access (path.c_str(), R_OK) == 0) {
 528                         return path;
 529                 }
 530         }
 531
 532         return "";
 533 }
 534
 535 static bool sae_binding_filter (const string& str, void* arg)
 536 {
 537         /* Not a dotfile, has a prefix before a period, suffix is ".bindings" and contains -sae- */
 538
 539         return str[0] != '.' && str.length() > 13 && str.find (".bindings") == (str.length() - 9)
 540                 && str.find ("SAE-") != string::npos;
 541 }
 542
 543 static bool binding_filter (const string& str, void* arg)
 544 {
 545         /* Not a dotfile, has a prefix before a period, suffix is ".bindings" */
 546
 547         return str[0] != '.' && str.length() > 9 && str.find (".bindings") == (str.length() - 9);
 548 }
 549
 550 void
 551 ARDOUR::find_bindings_files (map<string,string>& files)
 552 {
 553         PathScanner scanner;
 554         vector<string*> *found;
 555         string full_path;
 556
 557         /* XXX building path, so separators are fixed */
 558
 559         full_path = get_user_ardour_path ();
 560         full_path += ':';
 561         full_path = get_system_data_path ();
 562
 563         if (getenv ("ARDOUR_SAE")) {
 564                 found = scanner (full_path, sae_binding_filter, 0, false, true);
 565         } else {
 566                 found = scanner (full_path, binding_filter, 0, false, true);
 567         }
 568
 569         if (!found) {
 570                 return;
 571         }
 572
 573         for (vector<string*>::iterator x = found->begin(); x != found->end(); ++x) {
 574                 string path = *(*x);
 575                 pair<string,string> namepath;
 576                 namepath.second = path;
 577                 path = Glib::path_get_basename (path);
 578                 namepath.first = path.substr (0, path.find_first_of ('.'));
 579
 580                 files.insert (namepath);
 581                 delete *x;
 582         }
 583
 584         delete found;
 585 }
 586
 587 string
 588 ARDOUR::find_config_file (string name)
 589 {
 590         const char* envvar;
 591
 592         if ((envvar = getenv("ARDOUR_CONFIG_PATH")) == 0) {
 593                 envvar = CONFIG_DIR;
 594         }
 595
 596         return find_file (name, envvar);
 597 }
 598
 599 string
 600 ARDOUR::find_data_file (string name, string subdir)
 601 {
 602         const char* envvar;
 603         if ((envvar = getenv("ARDOUR_DATA_PATH")) == 0) {
 604                 envvar = DATA_DIR;
 605         }
 606
 607         return find_file (name, envvar, subdir);
 608 }
 609
 610 void
 611 ARDOUR::setup_fpu ()
 612 {
 613         if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
 614                 // valgrind doesn't understand this assembler stuff
 615                 // September 10th, 2007
 616                 return;
 617         }
 618
 619 #if defined(ARCH_X86) && defined(USE_XMMINTRIN)
 620
 621         int MXCSR;
 622         FPU fpu;
 623
 624         /* XXX use real code to determine if the processor supports
 625            DenormalsAreZero and FlushToZero
 626         */
 627
 628         if (!fpu.has_flush_to_zero() && !fpu.has_denormals_are_zero()) {
 629                 return;
 630         }
 631
 632         MXCSR  = _mm_getcsr();
 633
 634         switch (Config->get_denormal_model()) {
 635         case DenormalNone:
 636                 MXCSR &= ~(_MM_FLUSH_ZERO_ON|0x8000);
 637                 break;
 638
 639         case DenormalFTZ:
 640                 if (fpu.has_flush_to_zero()) {
 641                         MXCSR |= _MM_FLUSH_ZERO_ON;
 642                 }
 643                 break;
 644
 645         case DenormalDAZ:
 646                 MXCSR &= ~_MM_FLUSH_ZERO_ON;
 647                 if (fpu.has_denormals_are_zero()) {
 648                         MXCSR |= 0x8000;
 649                 }
 650                 break;
 651
 652         case DenormalFTZDAZ:
 653                 if (fpu.has_flush_to_zero()) {
 654                         if (fpu.has_denormals_are_zero()) {
 655                                 MXCSR |= _MM_FLUSH_ZERO_ON | 0x8000;
 656                         } else {
 657                                 MXCSR |= _MM_FLUSH_ZERO_ON;
 658                         }
 659                 }
 660                 break;
 661         }
 662
 663         _mm_setcsr (MXCSR);
 664
 665 #endif
 666 }
 667
 668 ARDOUR::OverlapType
 669 ARDOUR::coverage (nframes_t sa, nframes_t ea,
 670                   nframes_t sb, nframes_t eb)
 671 {
 672         /* OverlapType returned reflects how the second (B)
 673            range overlaps the first (A).
 674
 675            The diagrams show various relative placements
 676            of A and B for each OverlapType.
 677
 678            Notes:
 679               Internal: the start points cannot coincide
 680               External: the start and end points can coincide
 681               Start: end points can coincide
 682               End: start points can coincide
 683
 684            XXX Logically, Internal should disallow end
 685            point equality.
 686         */
 687
 688         /*
 689              |--------------------|   A
 690                   |------|            B
 691                 |-----------------|   B
 692
 693
 694              "B is internal to A"
 695
 696         */
 697 #ifdef OLD_COVERAGE
 698         if ((sb >= sa) && (eb <= ea)) {
 699 #else
 700         if ((sb > sa) && (eb <= ea)) {
 701 #endif
 702                 return OverlapInternal;
 703         }
 704
 705         /*
 706              |--------------------|   A
 707            ----|                      B
 708            -----------------------|   B
 709            --|                        B
 710
 711              "B overlaps the start of A"
 712
 713         */
 714
 715         if ((eb >= sa) && (eb <= ea)) {
 716                 return OverlapStart;
 717         }
 718         /*
 719              |---------------------|  A
 720                    |----------------- B
 721              |----------------------- B
 722                                    |- B
 723
 724             "B overlaps the end of A"
 725
 726         */
 727         if ((sb >= sa) && (sb <= ea)) {
 728                 return OverlapEnd;
 729         }
 730         /*
 731              |--------------------|     A
 732            --------------------------  B
 733              |-----------------------  B
 734             ----------------------|    B
 735              |--------------------|    B
 736
 737
 738            "B overlaps all of A"
 739         */
 740         if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
 741                 return OverlapExternal;
 742         }
 743
 744         return OverlapNone;
 745 }
 746
 747 string
 748 ARDOUR::translation_kill_path ()
 749 {
 750         return Glib::build_filename (get_user_ardour_path(), ".love_is_the_language_of_audio");
 751 }
 752
 753 bool
 754 ARDOUR::translations_are_disabled ()
 755 {
 756         /* if file does not exist, we don't translate (bundled ardour only) */
 757         return Glib::file_test (translation_kill_path(), Glib::FILE_TEST_EXISTS) == false;
 758 }
 759
 760 /* not sure where to put these */
 761
 762 template<class T>
 763 std::istream& int_to_type (std::istream& o, T& hf) {
 764         int val;
 765         o >> val;
 766         hf = (T) val;
 767         return o;
 768 }
 769
 770 std::istream& operator>>(std::istream& o, HeaderFormat& var) { return int_to_type<HeaderFormat> (o, var); }
 771 std::istream& operator>>(std::istream& o, SampleFormat& var) { return int_to_type<SampleFormat> (o, var); }
 772 std::istream& operator>>(std::istream& o, AutoConnectOption& var) { return int_to_type<AutoConnectOption> (o, var); }
 773 std::istream& operator>>(std::istream& o, MonitorModel& var) { return int_to_type<MonitorModel> (o, var); }
 774 std::istream& operator>>(std::istream& o, RemoteModel& var) { return int_to_type<RemoteModel> (o, var); }
 775 std::istream& operator>>(std::istream& o, EditMode& var) { return int_to_type<EditMode> (o, var); }
 776 std::istream& operator>>(std::istream& o, SoloModel& var) { return int_to_type<SoloModel> (o, var); }
 777 std::istream& operator>>(std::istream& o, LayerModel& var) { return int_to_type<LayerModel> (o, var); }
 778 std::istream& operator>>(std::istream& o, CrossfadeModel& var) { return int_to_type<CrossfadeModel> (o, var); }
 779 std::istream& operator>>(std::istream& o, SlaveSource& var) { return int_to_type<SlaveSource> (o, var); }
 780 std::istream& operator>>(std::istream& o, ShuttleBehaviour& var) { return int_to_type<ShuttleBehaviour> (o, var); }
 781 std::istream& operator>>(std::istream& o, ShuttleUnits& var) { return int_to_type<ShuttleUnits> (o, var); }
 782 std::istream& operator>>(std::istream& o, SmpteFormat& var) { return int_to_type<SmpteFormat> (o, var); }
 783 std::istream& operator>>(std::istream& o, DenormalModel& var) { return int_to_type<DenormalModel> (o, var); }
 784