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