gtk2_ardour/editor_audio_import.cc

   1 /*
   2     Copyright (C) 2000-2006 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 <sys/types.h>
  21 #include <sys/stat.h>
  22 #include <sys/time.h>
  23 #include <errno.h>
  24 #include <unistd.h>
  25 #include <algorithm>
  26
  27 #include <sndfile.h>
  28
  29 #include "pbd/pthread_utils.h"
  30 #include "pbd/basename.h"
  31 #include "pbd/shortpath.h"
  32 #include "pbd/stateful_diff_command.h"
  33
  34 #include <gtkmm2ext/choice.h>
  35
  36 #include "ardour/audio_track.h"
  37 #include "ardour/audiofilesource.h"
  38 #include "ardour/audioregion.h"
  39 #include "ardour/midi_region.h"
  40 #include "ardour/midi_track.h"
  41 #include "ardour/operations.h"
  42 #include "ardour/region_factory.h"
  43 #include "ardour/smf_source.h"
  44 #include "ardour/source_factory.h"
  45 #include "ardour/utils.h"
  46 #include "pbd/memento_command.h"
  47
  48 #include "ardour_ui.h"
  49 #include "cursor_context.h"
  50 #include "editor.h"
  51 #include "sfdb_ui.h"
  52 #include "editing.h"
  53 #include "audio_time_axis.h"
  54 #include "midi_time_axis.h"
  55 #include "session_import_dialog.h"
  56 #include "gui_thread.h"
  57 #include "interthread_progress_window.h"
  58 #include "mouse_cursors.h"
  59 #include "editor_cursors.h"
  60
  61 #include "pbd/i18n.h"
  62
  63 using namespace std;
  64 using namespace ARDOUR;
  65 using namespace PBD;
  66 using namespace Gtk;
  67 using namespace Gtkmm2ext;
  68 using namespace Editing;
  69 using std::string;
  70
  71 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  72
  73 void
  74 Editor::add_external_audio_action (ImportMode mode_hint)
  75 {
  76         if (_session == 0) {
  77                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  78                 msg.run ();
  79                 return;
  80         }
  81
  82         if (sfbrowser == 0) {
  83                 sfbrowser = new SoundFileOmega (_("Add Existing Media"), _session, 0, 0, true, mode_hint);
  84         } else {
  85                 sfbrowser->set_mode (mode_hint);
  86         }
  87
  88         external_audio_dialog ();
  89 }
  90
  91 void
  92 Editor::external_audio_dialog ()
  93 {
  94         vector<string> paths;
  95         uint32_t audio_track_cnt;
  96         uint32_t midi_track_cnt;
  97
  98         if (_session == 0) {
  99                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
 100                 msg.run ();
 101                 return;
 102         }
 103
 104         audio_track_cnt = 0;
 105         midi_track_cnt = 0;
 106
 107         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 108                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 109
 110                 if (atv) {
 111                         if (atv->is_audio_track()) {
 112                                 audio_track_cnt++;
 113                         }
 114
 115                 } else {
 116                         MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 117
 118                         if (mtv) {
 119                                 if (mtv->is_midi_track()) {
 120                                         midi_track_cnt++;
 121                                 }
 122                         }
 123                 }
 124         }
 125
 126         if (sfbrowser == 0) {
 127                 sfbrowser = new SoundFileOmega (_("Add Existing Media"), _session, audio_track_cnt, midi_track_cnt, true);
 128         } else {
 129                 sfbrowser->reset (audio_track_cnt, midi_track_cnt);
 130         }
 131
 132         sfbrowser->show_all ();
 133 }
 134
 135 void
 136 Editor::session_import_dialog ()
 137 {
 138         SessionImportDialog dialog (_session);
 139         dialog.run ();
 140 }
 141
 142 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 143
 144 /**
 145  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_files()
 146  *
 147  * all_or_nothing:
 148  *   true  = show "Update", "Import" and "Skip"
 149  *   false = show "Import", and "Cancel"
 150  *
 151  * Returns:
 152  *     0  To update an existing source of the same name
 153  *     1  To import/embed the file normally (make sure the new name will be unique)
 154  *     2  If the user wants to skip this file
 155  **/
 156 int
 157 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 158 {
 159         string wave_name (Glib::path_get_basename(path));
 160
 161         bool already_exists = false;
 162         uint32_t existing;
 163
 164         if ((existing = _session->count_sources_by_origin (path)) > 0) {
 165                 already_exists = true;
 166         }
 167
 168         int function = 1;
 169
 170         if (already_exists) {
 171                 string message;
 172                 if (all_or_nothing) {
 173                         // updating is still disabled
 174                         //message = string_compose(_("The session already contains a source file named %1. Do you want to update that file (and thus all regions using the file) or import this file as a new file?"),wave_name);
 175                         message = string_compose (_("The session already contains a source file named %1.  Do you want to import %1 as a new file, or skip it?"), wave_name);
 176                 } else {
 177                         message = string_compose (_("The session already contains a source file named %1.  Do you want to import %2 as a new source, or skip it?"), wave_name, wave_name);
 178
 179                 }
 180                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 181
 182                 if (all_or_nothing) {
 183                         // disabled
 184                         //dialog.add_button("Update", 0);
 185                         dialog.add_button("Import", 1);
 186                         dialog.add_button("Skip",   2);
 187                 } else {
 188                         dialog.add_button("Import", 1);
 189                         dialog.add_button("Cancel", 2);
 190                 }
 191
 192                 //dialog.add_button("Skip all", 4); // All or rest?
 193
 194                 dialog.show();
 195
 196                 function = dialog.run ();
 197
 198                 dialog.hide();
 199         }
 200
 201         return function;
 202 }
 203
 204 boost::shared_ptr<AudioTrack>
 205 Editor::get_nth_selected_audio_track (int nth) const
 206 {
 207         AudioTimeAxisView* atv;
 208         TrackSelection::iterator x;
 209
 210         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 211
 212                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 213
 214                 if (!atv) {
 215                         continue;
 216                 } else if (atv->is_audio_track()) {
 217                         --nth;
 218                 }
 219         }
 220
 221         if (x == selection->tracks.end()) {
 222                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 223         } else {
 224                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 225         }
 226
 227         if (!atv || !atv->is_audio_track()) {
 228                 return boost::shared_ptr<AudioTrack>();
 229         }
 230
 231         return atv->audio_track();
 232 }
 233
 234 boost::shared_ptr<MidiTrack>
 235 Editor::get_nth_selected_midi_track (int nth) const
 236 {
 237         MidiTimeAxisView* mtv;
 238         TrackSelection::iterator x;
 239
 240         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 241
 242                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 243
 244                 if (!mtv) {
 245                         continue;
 246                 } else if (mtv->is_midi_track()) {
 247                         --nth;
 248                 }
 249         }
 250
 251         if (x == selection->tracks.end()) {
 252                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 253         } else {
 254                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 255         }
 256
 257         if (!mtv || !mtv->is_midi_track()) {
 258                 return boost::shared_ptr<MidiTrack>();
 259         }
 260
 261         return mtv->midi_track();
 262 }
 263
 264 void
 265 Editor::import_smf_tempo_map (Evoral::SMF const & smf, framepos_t pos)
 266 {
 267         if (!_session) {
 268                 return;
 269         }
 270
 271         const size_t num_tempos = smf.num_tempos ();
 272
 273         if (num_tempos == 0) {
 274                 return;
 275         }
 276
 277         const framecnt_t sample_rate = _session->frame_rate ();
 278         TempoMap new_map (sample_rate);
 279         Meter last_meter (4.0, 4.0);
 280         bool have_initial_meter = false;
 281
 282         for (size_t n = 0; n < num_tempos; ++n) {
 283
 284                 Evoral::SMF::Tempo* t = smf.nth_tempo (n);
 285                 assert (t);
 286
 287                 Tempo tempo (60 * (1000000 / (double) t->microseconds_per_quarter_note), 4.0);
 288                 Meter meter (t->numerator, t->denominator);
 289                 Timecode::BBT_Time bbt; /* 1|1|0 which is correct for the no-meter case */
 290
 291                 if (have_initial_meter) {
 292                         new_map.add_tempo (tempo, (t->time_pulses/smf.ppqn()) / 4.0, 0, TempoSection::Constant, MusicTime);
 293                         if (!(meter == last_meter)) {
 294                                 bbt = new_map.bbt_at_quarter_note ((t->time_pulses/smf.ppqn()));
 295                                 new_map.add_meter (meter, t->time_pulses, bbt, 0, MusicTime);
 296                         }
 297
 298                 } else {
 299                         new_map.replace_meter (new_map.meter_section_at_frame (0), meter, bbt, pos, AudioTime);
 300                         new_map.replace_tempo (new_map.tempo_section_at_frame (0), tempo, 0.0, pos, TempoSection::Constant, AudioTime);
 301                         have_initial_meter = true;
 302
 303                 }
 304
 305                 last_meter = meter;
 306
 307                 cerr << "@ " << t->time_pulses/smf.ppqn() << " ("
 308                      << t->time_seconds << ") Add T " << tempo << " M " << meter << endl;
 309         }
 310
 311         cerr << "NEW MAP:\n";
 312         new_map.dump (cerr);
 313
 314         _session->tempo_map() = new_map;
 315 }
 316
 317 void
 318 Editor::do_import (vector<string>        paths,
 319                    ImportDisposition     disposition,
 320                    ImportMode            mode,
 321                    SrcQuality            quality,
 322                    MidiTrackNameSource   midi_track_name_source,
 323                    MidiTempoMapDisposition smf_tempo_disposition,
 324                    framepos_t&           pos,
 325                    ARDOUR::PluginInfoPtr instrument)
 326 {
 327         boost::shared_ptr<Track> track;
 328         vector<string> to_import;
 329         int nth = 0;
 330         bool use_timestamp = (pos == -1);
 331
 332         if (smf_tempo_disposition == SMFTempoUse) {
 333                 /* Find the first MIDI file with a tempo map, and import it
 334                    before we do anything else.
 335                 */
 336
 337                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 338                         Evoral::SMF smf;
 339                         if (smf.open (*a)) {
 340                                 continue;
 341                         }
 342                         if (smf.num_tempos() > 0) {
 343                                 import_smf_tempo_map (smf, pos);
 344                                 smf.close ();
 345                                 break;
 346                         }
 347                         smf.close ();
 348                 }
 349         }
 350
 351         current_interthread_info = &import_status;
 352         import_status.current = 1;
 353         import_status.total = paths.size ();
 354         import_status.all_done = false;
 355         import_status.midi_track_name_source = midi_track_name_source;
 356
 357         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 358
 359         bool ok = true;
 360
 361         if (disposition == Editing::ImportMergeFiles) {
 362
 363                 /* create 1 region from all paths, add to 1 track,
 364                    ignore "track"
 365                 */
 366
 367                 bool cancel = false;
 368                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 369                         int check = check_whether_and_how_to_import(*a, false);
 370                         if (check == 2) {
 371                                 cancel = true;
 372                                 break;
 373                         }
 374                 }
 375
 376                 if (cancel) {
 377                         ok = false;
 378                 } else {
 379                         ipw.show ();
 380                         ok = (import_sndfiles (paths, disposition, mode, quality, pos, 1, 1, track, false, instrument) == 0);
 381                         import_status.sources.clear();
 382                 }
 383
 384         } else {
 385
 386                 bool replace = false;
 387
 388                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 389
 390                         const int check = check_whether_and_how_to_import (*a, true);
 391
 392                         switch (check) {
 393                         case 2:
 394                                 // user said skip
 395                                 continue;
 396                         case 0:
 397                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 398                                 abort(); /* NOTREACHED*/
 399                                 break;
 400                         case 1:
 401                                 replace = false;
 402                                 break;
 403                         default:
 404                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 405                                 abort(); /* NOTREACHED*/
 406                         }
 407
 408                         /* have to reset this for every file we handle */
 409
 410                         if (use_timestamp) {
 411                                 pos = -1;
 412                         }
 413
 414                         ipw.show ();
 415
 416                         switch (disposition) {
 417                         case Editing::ImportDistinctFiles:
 418
 419                                 to_import.clear ();
 420                                 to_import.push_back (*a);
 421
 422                                 if (mode == Editing::ImportToTrack) {
 423                                         track = get_nth_selected_audio_track (nth++);
 424                                 }
 425
 426                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, -1, track, replace, instrument) == 0);
 427                                 import_status.sources.clear();
 428                                 break;
 429
 430                         case Editing::ImportDistinctChannels:
 431
 432                                 to_import.clear ();
 433                                 to_import.push_back (*a);
 434
 435                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, -1, -1, track, replace, instrument) == 0);
 436                                 import_status.sources.clear();
 437                                 break;
 438
 439                         case Editing::ImportSerializeFiles:
 440
 441                                 to_import.clear ();
 442                                 to_import.push_back (*a);
 443
 444                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, 1, track, replace, instrument) == 0);
 445                                 import_status.sources.clear();
 446                                 break;
 447
 448                         case Editing::ImportMergeFiles:
 449                                 // Not entered, handled in earlier if() branch
 450                                 break;
 451                         }
 452                 }
 453         }
 454
 455         if (ok) {
 456                 _session->save_state ("");
 457         }
 458
 459         import_status.all_done = true;
 460 }
 461
 462 void
 463 Editor::do_embed (vector<string> paths, ImportDisposition import_as, ImportMode mode, framepos_t& pos, ARDOUR::PluginInfoPtr instrument)
 464 {
 465         boost::shared_ptr<Track> track;
 466         bool check_sample_rate = true;
 467         bool ok = false;
 468         vector<string> to_embed;
 469         bool multi = paths.size() > 1;
 470         int nth = 0;
 471         bool use_timestamp = (pos == -1);
 472
 473         switch (import_as) {
 474         case Editing::ImportDistinctFiles:
 475                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 476
 477                         /* have to reset this for every file we handle */
 478                         if (use_timestamp) {
 479                                 pos = -1;
 480                         }
 481
 482                         to_embed.clear ();
 483                         to_embed.push_back (*a);
 484
 485                         if (mode == Editing::ImportToTrack) {
 486                                 track = get_nth_selected_audio_track (nth++);
 487                         }
 488
 489                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, -1, track, instrument) < -1) {
 490                                 goto out;
 491                         }
 492                 }
 493                 break;
 494
 495         case Editing::ImportDistinctChannels:
 496                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 497
 498                         /* have to reset this for every file we handle */
 499                         if (use_timestamp) {
 500                                 pos = -1;
 501                         }
 502
 503                         to_embed.clear ();
 504                         to_embed.push_back (*a);
 505
 506                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, -1, -1, track, instrument) < -1) {
 507                                 goto out;
 508                         }
 509                 }
 510                 break;
 511
 512         case Editing::ImportMergeFiles:
 513                 if (embed_sndfiles (paths, multi, check_sample_rate, import_as, mode, pos, 1, 1, track, instrument) < -1) {
 514                         goto out;
 515                 }
 516                 break;
 517
 518         case Editing::ImportSerializeFiles:
 519                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 520
 521                         /* have to reset this for every file we handle */
 522                         if (use_timestamp) {
 523                                 pos = -1;
 524                         }
 525
 526                         to_embed.clear ();
 527                         to_embed.push_back (*a);
 528
 529                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, 1, track, instrument) < -1) {
 530                                 goto out;
 531                         }
 532                 }
 533                 break;
 534         }
 535
 536         ok = true;
 537
 538   out:
 539         if (ok) {
 540                 _session->save_state ("");
 541         }
 542 }
 543
 544 int
 545 Editor::import_sndfiles (vector<string>            paths,
 546                          ImportDisposition         disposition,
 547                          ImportMode                mode,
 548                          SrcQuality                quality,
 549                          framepos_t&               pos,
 550                          int                       target_regions,
 551                          int                       target_tracks,
 552                          boost::shared_ptr<Track>& track,
 553                          bool                      replace,
 554                          ARDOUR::PluginInfoPtr     instrument)
 555 {
 556         import_status.paths = paths;
 557         import_status.done = false;
 558         import_status.cancel = false;
 559         import_status.freeze = false;
 560         import_status.quality = quality;
 561         import_status.replace_existing_source = replace;
 562         import_status.split_midi_channels = (disposition == Editing::ImportDistinctChannels);
 563
 564         import_status.mode = mode;
 565         import_status.pos = pos;
 566         import_status.target_tracks = target_tracks;
 567         import_status.target_regions = target_regions;
 568         import_status.track = track;
 569         import_status.replace = replace;
 570
 571         CursorContext::Handle cursor_ctx = CursorContext::create(*this, _cursors->wait);
 572         gdk_flush ();
 573
 574         /* start import thread for this spec. this will ultimately call Session::import_files()
 575            which, if successful, will add the files as regions to the region list. its up to us
 576            (the GUI) to direct additional steps after that.
 577         */
 578
 579         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 580         pthread_detach (import_status.thread);
 581
 582         while (!import_status.done && !import_status.cancel) {
 583                 gtk_main_iteration ();
 584         }
 585
 586         // wait for thread to terminate
 587         while (!import_status.done) {
 588                 gtk_main_iteration ();
 589         }
 590
 591         int result = -1;
 592
 593         if (!import_status.cancel && !import_status.sources.empty()) {
 594                 result = add_sources (
 595                         import_status.paths,
 596                         import_status.sources,
 597                         import_status.pos,
 598                         disposition,
 599                         import_status.mode,
 600                         import_status.target_regions,
 601                         import_status.target_tracks,
 602                         track, false, instrument
 603                         );
 604
 605                 /* update position from results */
 606
 607                 pos = import_status.pos;
 608         }
 609
 610         return result;
 611 }
 612
 613 int
 614 Editor::embed_sndfiles (vector<string>            paths,
 615                         bool                      multifile,
 616                         bool&                     check_sample_rate,
 617                         ImportDisposition         disposition,
 618                         ImportMode                mode,
 619                         framepos_t&               pos,
 620                         int                       target_regions,
 621                         int                       target_tracks,
 622                         boost::shared_ptr<Track>& track,
 623                         ARDOUR::PluginInfoPtr     instrument)
 624 {
 625         boost::shared_ptr<AudioFileSource> source;
 626         SourceList sources;
 627         string linked_path;
 628         SoundFileInfo finfo;
 629
 630         CursorContext::Handle cursor_ctx = CursorContext::create(*this, _cursors->wait);
 631         gdk_flush ();
 632
 633         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 634
 635                 string path = *p;
 636                 string error_msg;
 637
 638                 /* note that we temporarily truncated _id at the colon */
 639
 640                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 641                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 642                         return -3;
 643                 }
 644
 645                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 646                         vector<string> choices;
 647
 648                         if (multifile) {
 649                                 choices.push_back (_("Cancel entire import"));
 650                                 choices.push_back (_("Don't embed it"));
 651                                 choices.push_back (_("Embed all without questions"));
 652
 653                                 Gtkmm2ext::Choice rate_choice (
 654                                         _("Sample rate"),
 655                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 656                                                         short_path (path, 40)),
 657                                         choices, false
 658                                         );
 659
 660                                 int resx = rate_choice.run ();
 661
 662                                 switch (resx) {
 663                                 case 0: /* stop a multi-file import */
 664                                         return -2;
 665                                 case 1: /* don't embed this one */
 666                                         return -1;
 667                                 case 2: /* do it, and the rest without asking */
 668                                         check_sample_rate = false;
 669                                         break;
 670                                 case 3: /* do it */
 671                                         break;
 672                                 default:
 673                                         return -2;
 674                                 }
 675                         } else {
 676                                 choices.push_back (_("Cancel"));
 677                                 choices.push_back (_("Embed it anyway"));
 678
 679                                 Gtkmm2ext::Choice rate_choice (
 680                                         _("Sample rate"),
 681                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 682                                         choices, false
 683                                         );
 684
 685                                 int resx = rate_choice.run ();
 686
 687                                 switch (resx) {
 688                                 case 0: /* don't import */
 689                                         return -1;
 690                                 case 1: /* do it */
 691                                         break;
 692                                 default:
 693                                         return -2;
 694                                 }
 695                         }
 696                 }
 697
 698                 for (int n = 0; n < finfo.channels; ++n) {
 699
 700                         try {
 701
 702                                 /* check if we have this thing embedded already */
 703
 704                                 boost::shared_ptr<Source> s;
 705
 706                                 if ((s = _session->audio_source_by_path_and_channel (path, n)) == 0) {
 707
 708                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 709                                                 SourceFactory::createExternal (DataType::AUDIO, *_session,
 710                                                                                path, n,
 711                                                                                (mode == ImportAsTapeTrack
 712                                                                                 ? Source::Destructive
 713                                                                                 : Source::Flag (0)),
 714                                                                         true, true));
 715                                 } else {
 716                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 717                                 }
 718
 719                                 sources.push_back(source);
 720                         }
 721
 722                         catch (failed_constructor& err) {
 723                                 error << string_compose(_("could not open %1"), path) << endmsg;
 724                                 return -3;
 725                         }
 726
 727                         gtk_main_iteration();
 728                 }
 729         }
 730
 731         if (!sources.empty()) {
 732                 return add_sources (paths, sources, pos, disposition, mode, target_regions, target_tracks, track, true, instrument);
 733         }
 734
 735         return 0;
 736 }
 737
 738 int
 739 Editor::add_sources (vector<string>            paths,
 740                      SourceList&               sources,
 741                      framepos_t&               pos,
 742                      ImportDisposition         disposition,
 743                      ImportMode                mode,
 744                      int                       target_regions,
 745                      int                       target_tracks,
 746                      boost::shared_ptr<Track>& track,
 747                      bool                      /*add_channel_suffix*/,
 748                      ARDOUR::PluginInfoPtr     instrument)
 749 {
 750         vector<boost::shared_ptr<Region> > regions;
 751         string region_name;
 752         uint32_t input_chan = 0;
 753         uint32_t output_chan = 0;
 754         bool use_timestamp;
 755         vector<string> track_names;
 756
 757         use_timestamp = (pos == -1);
 758
 759         // kludge (for MIDI we're abusing "channel" for "track" here)
 760         if (SMFSource::safe_midi_file_extension (paths.front())) {
 761                 target_regions = -1;
 762         }
 763
 764         if (target_regions == 1) {
 765
 766                 /* take all the sources we have and package them up as a region */
 767
 768                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 769
 770                 /* we checked in import_sndfiles() that there were not too many */
 771
 772                 while (RegionFactory::region_by_name (region_name)) {
 773                         region_name = bump_name_once (region_name, '.');
 774                 }
 775
 776                 PropertyList plist;
 777
 778                 plist.add (ARDOUR::Properties::start, 0);
 779                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 780                 plist.add (ARDOUR::Properties::name, region_name);
 781                 plist.add (ARDOUR::Properties::layer, 0);
 782                 plist.add (ARDOUR::Properties::whole_file, true);
 783                 plist.add (ARDOUR::Properties::external, true);
 784
 785                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 786
 787                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 788                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 789                 }
 790
 791                 regions.push_back (r);
 792
 793                 /* if we're creating a new track, name it after the cleaned-up
 794                  * and "merged" region name.
 795                  */
 796
 797                 track_names.push_back (region_name);
 798
 799         } else if (target_regions == -1 || target_regions > 1) {
 800
 801                 /* take each source and create a region for each one */
 802
 803                 SourceList just_one;
 804                 SourceList::iterator x;
 805                 uint32_t n;
 806
 807                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 808
 809                         just_one.clear ();
 810                         just_one.push_back (*x);
 811
 812                         boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (*x);
 813
 814                         if (sources.size() > 1 && disposition == ImportDistinctChannels) {
 815
 816                                 /* generate a per-channel region name so that things work as
 817                                  * intended
 818                                  */
 819
 820                                 string path;
 821
 822                                 if (fs) {
 823                                         region_name = basename_nosuffix (fs->path());
 824                                 } else {
 825                                         region_name = (*x)->name();
 826                                 }
 827
 828                                 if (sources.size() == 2) {
 829                                         if (n == 0) {
 830                                                 region_name += "-L";
 831                                         } else {
 832                                                 region_name += "-R";
 833                                         }
 834                                 } else if (sources.size() > 2) {
 835                                         region_name += string_compose ("-%1", n+1);
 836                                 }
 837
 838                                 track_names.push_back (region_name);
 839
 840                         } else {
 841                                 if (fs) {
 842                                         region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
 843                                 } else {
 844                                         region_name = (*x)->name();
 845                                 }
 846
 847                                 if (SMFSource::safe_midi_file_extension (paths.front())) {
 848                                         string track_name = string_compose ("%1-t%2", PBD::basename_nosuffix (fs->path()), (n + 1));
 849                                         track_names.push_back (track_name);
 850                                 } else {
 851                                         track_names.push_back (PBD::basename_nosuffix (paths[n]));
 852                                 }
 853                         }
 854
 855                         PropertyList plist;
 856
 857                         /* Fudge region length to ensure it is non-zero; make it 1 beat at 120bpm
 858                            for want of a better idea.  It can't be too small, otherwise if this
 859                            is a MIDI region the conversion from frames -> beats -> frames will
 860                            round it back down to 0 again.
 861                         */
 862                         framecnt_t len = (*x)->length (pos);
 863                         if (len == 0) {
 864                                 len = (60.0 / 120.0) * _session->frame_rate ();
 865                         }
 866
 867                         plist.add (ARDOUR::Properties::start, 0);
 868                         plist.add (ARDOUR::Properties::length, len);
 869                         plist.add (ARDOUR::Properties::name, region_name);
 870                         plist.add (ARDOUR::Properties::layer, 0);
 871                         plist.add (ARDOUR::Properties::whole_file, true);
 872                         plist.add (ARDOUR::Properties::external, true);
 873
 874                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 875
 876                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 877                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 878                         }
 879
 880                         regions.push_back (r);
 881                 }
 882         }
 883
 884         if (target_regions == 1) {
 885                 input_chan = regions.front()->n_channels();
 886         } else {
 887                 if (target_tracks == 1) {
 888                         input_chan = regions.size();
 889                 } else {
 890                         input_chan = 1;
 891                 }
 892         }
 893
 894         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 895                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 896         } else {
 897                 output_chan = input_chan;
 898         }
 899
 900         int n = 0;
 901         framepos_t rlen = 0;
 902
 903         begin_reversible_command (Operations::insert_file);
 904
 905         /* we only use tracks names when importing to new tracks, but we
 906          * require that one is defined for every region, just to keep
 907          * the API simpler.
 908          */
 909         assert (regions.size() == track_names.size());
 910
 911         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 912                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 913
 914                 if (use_timestamp) {
 915                         if (ar) {
 916
 917                                 /* get timestamp for this region */
 918
 919                                 const boost::shared_ptr<Source> s (ar->sources().front());
 920                                 const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 921
 922                                 assert (as);
 923
 924                                 if (as->natural_position() != 0) {
 925                                         pos = as->natural_position();
 926                                 } else if (target_tracks == 1) {
 927                                         /* hmm, no timestamp available, put it after the previous region
 928                                          */
 929                                         if (n == 0) {
 930                                                 pos = get_preferred_edit_position ();
 931                                         } else {
 932                                                 pos += rlen;
 933                                         }
 934                                 } else {
 935                                         pos = get_preferred_edit_position ();
 936                                 }
 937                         } else {
 938                                 /* should really get first position in MIDI file, but for now, use edit position*/
 939                                 pos = get_preferred_edit_position ();
 940                         }
 941                 }
 942
 943                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track, track_names[n], instrument);
 944
 945                 rlen = (*r)->length();
 946
 947                 if (target_tracks != 1) {
 948                         track.reset ();
 949                 } else {
 950                         if (!use_timestamp || !ar) {
 951                                 /* line each one up right after the other */
 952                                 pos += (*r)->length();
 953                         }
 954                 }
 955         }
 956
 957         commit_reversible_command ();
 958
 959         /* setup peak file building in another thread */
 960
 961         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 962                 SourceFactory::setup_peakfile (*x, true);
 963         }
 964
 965         return 0;
 966 }
 967
 968 int
 969 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region,
 970                                      uint32_t                  in_chans,
 971                                      uint32_t                  out_chans,
 972                                      framepos_t&               pos,
 973                                      ImportMode                mode,
 974                                      boost::shared_ptr<Track>& existing_track,
 975                                      const string&             new_track_name,
 976                                      ARDOUR::PluginInfoPtr     instrument)
 977 {
 978         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 979         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 980
 981         switch (mode) {
 982         case ImportAsRegion:
 983                 /* relax, its been done */
 984                 break;
 985
 986         case ImportToTrack:
 987         {
 988                 if (!existing_track) {
 989
 990                         if (ar) {
 991                                 existing_track = get_nth_selected_audio_track (0);
 992                         } else if (mr) {
 993                                 existing_track = get_nth_selected_midi_track (0);
 994                         }
 995
 996                         if (!existing_track) {
 997                                 return -1;
 998                         }
 999                 }
1000
1001                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
1002                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
1003                 playlist->clear_changes ();
1004                 playlist->add_region (copy, pos);
1005                 if (Config->get_edit_mode() == Ripple)
1006                         playlist->ripple (pos, copy->length(), copy);
1007
1008                 _session->add_command (new StatefulDiffCommand (playlist));
1009                 break;
1010         }
1011
1012         case ImportAsTrack:
1013         {
1014                 if (!existing_track) {
1015                         if (ar) {
1016                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, 0, 1, string(), PresentationInfo::max_order, Normal));
1017
1018                                 if (at.empty()) {
1019                                         return -1;
1020                                 }
1021                                 if (Config->get_strict_io ()) {
1022                                         for (list<boost::shared_ptr<AudioTrack> >::iterator i = at.begin(); i != at.end(); ++i) {
1023                                                 (*i)->set_strict_io (true);
1024                                         }
1025                                 }
1026
1027                                 existing_track = at.front();
1028                         } else if (mr) {
1029                                 list<boost::shared_ptr<MidiTrack> > mt (
1030                                         _session->new_midi_track (ChanCount (DataType::MIDI, 1),
1031                                                                   ChanCount (DataType::MIDI, 1),
1032                                                                   instrument, (Plugin::PresetRecord*) 0,
1033                                                                   (RouteGroup*) 0,
1034                                                                   1,
1035                                                                   string(),
1036                                                                   PresentationInfo::max_order));
1037
1038                                 if (mt.empty()) {
1039                                         return -1;
1040                                 }
1041                                 if (Config->get_strict_io ()) {
1042                                         for (list<boost::shared_ptr<MidiTrack> >::iterator i = mt.begin(); i != mt.end(); ++i) {
1043                                                 (*i)->set_strict_io (true);
1044                                         }
1045                                 }
1046
1047                                 // TODO set strict_io from preferences
1048                                 existing_track = mt.front();
1049                         }
1050
1051                         if (!new_track_name.empty()) {
1052                                 existing_track->set_name (new_track_name);
1053                         } else {
1054                                 existing_track->set_name (region->name());
1055                         }
1056                 }
1057
1058                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
1059                 boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
1060                 playlist->clear_changes ();
1061                 playlist->add_region (copy, pos);
1062                 _session->add_command (new StatefulDiffCommand (playlist));
1063                 break;
1064         }
1065
1066         case ImportAsTapeTrack:
1067         {
1068                 if (!ar) {
1069                         return -1;
1070                 }
1071
1072                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, 0, 1, string(), PresentationInfo::max_order, Destructive));
1073                 if (!at.empty()) {
1074                         boost::shared_ptr<Playlist> playlist = at.front()->playlist();
1075                         boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
1076                         playlist->clear_changes ();
1077                         playlist->add_region (copy, pos);
1078                         _session->add_command (new StatefulDiffCommand (playlist));
1079                 }
1080                 if (Config->get_strict_io ()) {
1081                         for (list<boost::shared_ptr<AudioTrack> >::iterator i = at.begin(); i != at.end(); ++i) {
1082                                 (*i)->set_strict_io (true);
1083                         }
1084                 }
1085                 break;
1086         }
1087         }
1088
1089         return 0;
1090 }
1091
1092 void *
1093 Editor::_import_thread (void *arg)
1094 {
1095         SessionEvent::create_per_thread_pool ("import events", 64);
1096
1097         Editor *ed = (Editor *) arg;
1098         return ed->import_thread ();
1099 }
1100
1101 void *
1102 Editor::import_thread ()
1103 {
1104         _session->import_files (import_status);
1105         return 0;
1106 }