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 "pbd/memento_command.h"
  51
  52 #include "ardour_ui.h"
  53 #include "editor.h"
  54 #include "sfdb_ui.h"
  55 #include "editing.h"
  56 #include "audio_time_axis.h"
  57 #include "midi_time_axis.h"
  58 #include "session_import_dialog.h"
  59 #include "utils.h"
  60 #include "gui_thread.h"
  61 #include "interthread_progress_window.h"
  62
  63 #include "i18n.h"
  64
  65 using namespace std;
  66 using namespace ARDOUR;
  67 using namespace PBD;
  68 using namespace Gtk;
  69 using namespace Gtkmm2ext;
  70 using namespace Editing;
  71 using Glib::ustring;
  72
  73 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  74
  75 void
  76 Editor::add_external_audio_action (ImportMode mode_hint)
  77 {
  78         if (_session == 0) {
  79                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  80                 msg.run ();
  81                 return;
  82         }
  83
  84         if (sfbrowser == 0) {
  85                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, 0, true, mode_hint);
  86         } else {
  87                 sfbrowser->set_mode (mode_hint);
  88         }
  89
  90         external_audio_dialog ();
  91 }
  92
  93 void
  94 Editor::external_audio_dialog ()
  95 {
  96         vector<Glib::ustring> paths;
  97         uint32_t track_cnt;
  98
  99         if (_session == 0) {
 100                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
 101                 msg.run ();
 102                 return;
 103         }
 104
 105         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                         continue;
 112                 } else if (atv->is_audio_track()) {
 113                         track_cnt++;
 114                 }
 115         }
 116
 117         if (sfbrowser == 0) {
 118                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, track_cnt, true);
 119         } else {
 120                 sfbrowser->reset (track_cnt);
 121         }
 122
 123         sfbrowser->show_all ();
 124
 125
 126         bool keepRunning;
 127
 128         do {
 129                 keepRunning = false;
 130
 131                 int response = sfbrowser->run ();
 132
 133                 switch (response) {
 134                         case RESPONSE_APPLY:
 135                                 // leave the dialog open
 136                                 break;
 137
 138                         case RESPONSE_OK:
 139                                 sfbrowser->hide ();
 140                                 break;
 141
 142                         default:
 143                                 // cancel from the browser - we are done
 144                                 sfbrowser->hide ();
 145                                 return;
 146                 }
 147
 148                 /* lets do it */
 149
 150                 paths = sfbrowser->get_paths ();
 151
 152                 ImportPosition pos = sfbrowser->get_position ();
 153                 ImportMode mode = sfbrowser->get_mode ();
 154                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 155                 nframes64_t where;
 156
 157                 switch (pos) {
 158                         case ImportAtEditPoint:
 159                                 where = get_preferred_edit_position ();
 160                                 break;
 161                         case ImportAtTimestamp:
 162                                 where = -1;
 163                                 break;
 164                         case ImportAtPlayhead:
 165                                 where = playhead_cursor->current_frame;
 166                                 break;
 167                         case ImportAtStart:
 168                                 where = _session->current_start_frame();
 169                                 break;
 170                 }
 171
 172                 SrcQuality quality = sfbrowser->get_src_quality();
 173
 174
 175                 if (sfbrowser->copy_files_btn.get_active()) {
 176                         do_import (paths, chns, mode, quality, where);
 177                 } else {
 178                         do_embed (paths, chns, mode, where);
 179                 }
 180
 181                 if (response == RESPONSE_APPLY) {
 182                         sfbrowser->clear_selection ();
 183                         keepRunning = true;
 184                 }
 185
 186         } while (keepRunning);
 187 }
 188
 189 void
 190 Editor::session_import_dialog ()
 191 {
 192         SessionImportDialog dialog (_session);
 193         ensure_float (dialog);
 194         dialog.run ();
 195 }
 196
 197 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 198
 199 /**
 200  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 201  *
 202  * all_or_nothing:
 203  *   true  = show "Update", "Import" and "Skip"
 204  *   false = show "Import", and "Cancel"
 205  *
 206  * Returns:
 207  *     0  To update an existing source of the same name
 208  *     1  To import/embed the file normally (make sure the new name will be unique)
 209  *     2  If the user wants to skip this file
 210  **/
 211 int
 212 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 213 {
 214         string wave_name (Glib::path_get_basename(path));
 215
 216         SourceMap all_sources = _session->get_sources();
 217         bool wave_name_exists = false;
 218
 219         for (SourceMap::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
 220                 string tmp (Glib::path_get_basename (i->second->path()));
 221                 if (tmp == wave_name) {
 222                         wave_name_exists = true;
 223                         break;
 224                 }
 225         }
 226
 227         int function = 1;
 228
 229         if (wave_name_exists) {
 230                 string message;
 231                 if (all_or_nothing) {
 232                         // updating is still disabled
 233                         //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);
 234                         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);
 235                 } else {
 236                         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);
 237
 238                 }
 239                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 240
 241                 if (all_or_nothing) {
 242                         // disabled
 243                         //dialog.add_button("Update", 0);
 244                         dialog.add_button("Import", 1);
 245                         dialog.add_button("Skip",   2);
 246                 } else {
 247                         dialog.add_button("Import", 1);
 248                         dialog.add_button("Cancel", 2);
 249                 }
 250
 251                 //dialog.add_button("Skip all", 4); // All or rest?
 252
 253                 dialog.show();
 254
 255                 function = dialog.run ();
 256
 257                 dialog.hide();
 258         }
 259
 260         return function;
 261 }
 262
 263 boost::shared_ptr<AudioTrack>
 264 Editor::get_nth_selected_audio_track (int nth) const
 265 {
 266         AudioTimeAxisView* atv;
 267         TrackSelection::iterator x;
 268
 269         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 270
 271                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 272
 273                 if (!atv) {
 274                         continue;
 275                 } else if (atv->is_audio_track()) {
 276                         --nth;
 277                 }
 278         }
 279
 280         if (x == selection->tracks.end()) {
 281                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 282         } else {
 283                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 284         }
 285
 286         if (!atv || !atv->is_audio_track()) {
 287                 return boost::shared_ptr<AudioTrack>();
 288         }
 289
 290         return atv->audio_track();
 291 }
 292
 293 boost::shared_ptr<MidiTrack>
 294 Editor::get_nth_selected_midi_track (int nth) const
 295 {
 296         MidiTimeAxisView* mtv;
 297         TrackSelection::iterator x;
 298
 299         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 300
 301                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 302
 303                 if (!mtv) {
 304                         continue;
 305                 } else if (mtv->is_midi_track()) {
 306                         --nth;
 307                 }
 308         }
 309
 310         if (x == selection->tracks.end()) {
 311                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 312         } else {
 313                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 314         }
 315
 316         if (!mtv || !mtv->is_midi_track()) {
 317                 return boost::shared_ptr<MidiTrack>();
 318         }
 319
 320         return mtv->midi_track();
 321 }
 322
 323 void
 324 Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 325 {
 326         boost::shared_ptr<Track> track;
 327         vector<ustring> to_import;
 328         int nth = 0;
 329
 330         current_interthread_info = &import_status;
 331         import_status.current = 1;
 332         import_status.total = paths.size ();
 333
 334         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 335
 336         if (chns == Editing::ImportMergeFiles) {
 337
 338                 /* create 1 region from all paths, add to 1 track,
 339                    ignore "track"
 340                 */
 341
 342                 bool cancel = false;
 343                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 344                         int check = check_whether_and_how_to_import(*a, false);
 345                         if (check == 2) {
 346                                 cancel = true;
 347                                 break;
 348                         }
 349                 }
 350
 351                 if (!cancel) {
 352                         import_sndfiles (paths, mode, quality, pos, 1, 1, track, false);
 353                 }
 354
 355         } else {
 356
 357                 bool replace = false;
 358                 bool ok = true;
 359
 360                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 361
 362                         const int check = check_whether_and_how_to_import (*a, true);
 363
 364                         switch (check) {
 365                         case 2:
 366                                 // user said skip
 367                                 continue;
 368                         case 0:
 369                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 370                                 /* NOTREACHED*/
 371                                 break;
 372                         case 1:
 373                                 replace = false;
 374                                 break;
 375                         default:
 376                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 377                                 /* NOTREACHED*/
 378                         }
 379
 380                         switch (chns) {
 381                         case Editing::ImportDistinctFiles:
 382
 383                                 to_import.clear ();
 384                                 to_import.push_back (*a);
 385
 386                                 if (mode == Editing::ImportToTrack) {
 387                                         track = get_nth_selected_audio_track (nth++);
 388                                 }
 389
 390                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace) == 0);
 391                                 break;
 392
 393                         case Editing::ImportDistinctChannels:
 394
 395                                 to_import.clear ();
 396                                 to_import.push_back (*a);
 397
 398                                 ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace) == 0);
 399                                 break;
 400
 401                         case Editing::ImportSerializeFiles:
 402
 403                                 to_import.clear ();
 404                                 to_import.push_back (*a);
 405
 406                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace) == 0);
 407                                 break;
 408
 409                         case Editing::ImportMergeFiles:
 410                                 // Not entered, handled in earlier if() branch
 411                                 break;
 412                         }
 413                 }
 414         }
 415 }
 416
 417 void
 418 Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 419 {
 420         boost::shared_ptr<Track> track;
 421         bool check_sample_rate = true;
 422         bool ok = false;
 423         vector<ustring> to_embed;
 424         bool multi = paths.size() > 1;
 425         int nth = 0;
 426
 427         switch (chns) {
 428         case Editing::ImportDistinctFiles:
 429                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 430
 431                         to_embed.clear ();
 432                         to_embed.push_back (*a);
 433
 434                         if (mode == Editing::ImportToTrack) {
 435                                 track = get_nth_selected_audio_track (nth++);
 436                         }
 437
 438                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 439                                 goto out;
 440                         }
 441                 }
 442                 break;
 443
 444         case Editing::ImportDistinctChannels:
 445                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 446
 447                         to_embed.clear ();
 448                         to_embed.push_back (*a);
 449
 450                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 451                                 goto out;
 452                         }
 453                 }
 454                 break;
 455
 456         case Editing::ImportMergeFiles:
 457                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 458                         goto out;
 459                 }
 460                 break;
 461
 462         case Editing::ImportSerializeFiles:
 463                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 464
 465                         to_embed.clear ();
 466                         to_embed.push_back (*a);
 467
 468                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 469                                 goto out;
 470                         }
 471                 }
 472                 break;
 473         }
 474
 475         ok = true;
 476
 477   out:
 478         if (ok) {
 479                 _session->save_state ("");
 480         }
 481 }
 482
 483 int
 484 Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos,
 485                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
 486 {
 487         import_status.paths = paths;
 488         import_status.done = false;
 489         import_status.cancel = false;
 490         import_status.freeze = false;
 491         import_status.done = 0.0;
 492         import_status.quality = quality;
 493         import_status.replace_existing_source = replace;
 494
 495         import_status.mode = mode;
 496         import_status.pos = pos;
 497         import_status.target_tracks = target_tracks;
 498         import_status.target_regions = target_regions;
 499         import_status.track = track;
 500         import_status.replace = replace;
 501
 502         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 503         gdk_flush ();
 504
 505         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 506            which, if successful, will add the files as regions to the region list. its up to us
 507            (the GUI) to direct additional steps after that.
 508         */
 509
 510         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 511         pthread_detach (import_status.thread);
 512
 513         while (!import_status.done && !import_status.cancel) {
 514                 gtk_main_iteration ();
 515         }
 516
 517         import_status.done = true;
 518
 519         if (!import_status.cancel && !import_status.sources.empty()) {
 520                 if (add_sources (import_status.paths,
 521                                  import_status.sources,
 522                                  import_status.pos,
 523                                  import_status.mode,
 524                                  import_status.target_regions,
 525                                  import_status.target_tracks,
 526                                  track, false) == 0) {
 527                         _session->save_state ("");
 528                 }
 529
 530                 /* update position from results */
 531
 532                 pos = import_status.pos;
 533         }
 534
 535
 536         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 537         return 0;
 538 }
 539
 540 int
 541 Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 542                         bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
 543                         boost::shared_ptr<Track>& track)
 544 {
 545         boost::shared_ptr<AudioFileSource> source;
 546         SourceList sources;
 547         string linked_path;
 548         SoundFileInfo finfo;
 549         int ret = 0;
 550         Glib::ustring path_to_use;
 551
 552         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 553         gdk_flush ();
 554
 555         for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 556
 557                 ustring path = *p;
 558
 559                 if (Config->get_try_link_for_embed()) {
 560
 561                         /* lets see if we can link it into the session */
 562
 563                         sys::path tmp = _session->session_directory().sound_path() / Glib::path_get_basename(path);
 564                         linked_path = tmp.to_string();
 565
 566                         path_to_use = linked_path;
 567
 568                         if (link (path.c_str(), linked_path.c_str()) == 0) {
 569
 570                                 /* there are many reasons why link(2) might have failed.
 571                                    but if it succeeds, we now have a link in the
 572                                    session sound dir that will protect against
 573                                    unlinking of the original path. nice.
 574                                 */
 575
 576                                 path = linked_path;
 577                                 path_to_use = Glib::path_get_basename (path);
 578
 579                         } else {
 580
 581                                 /* one possible reason is that its already linked */
 582
 583                                 if (errno == EEXIST) {
 584                                         struct stat sb;
 585
 586                                         if (stat (linked_path.c_str(), &sb) == 0) {
 587                                                 if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 588                                                         path = linked_path;
 589                                                         path_to_use = Glib::path_get_basename (path);
 590                                                 }
 591                                         }
 592                                 }
 593                         }
 594                 }
 595
 596                 /* note that we temporarily truncated _id at the colon */
 597
 598                 string error_msg;
 599
 600                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 601                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 602                         goto out;
 603                 }
 604
 605                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 606                         vector<string> choices;
 607
 608                         if (multifile) {
 609                                 choices.push_back (_("Cancel entire import"));
 610                                 choices.push_back (_("Don't embed it"));
 611                                 choices.push_back (_("Embed all without questions"));
 612
 613                                 Gtkmm2ext::Choice rate_choice (
 614                                         _("Sample rate"),
 615                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 616                                                         short_path (path, 40)),
 617                                         choices, false
 618                                         );
 619
 620                                 int resx = rate_choice.run ();
 621
 622                                 switch (resx) {
 623                                 case 0: /* stop a multi-file import */
 624                                         ret = -2;
 625                                         goto out;
 626                                 case 1: /* don't embed this one */
 627                                         ret = -1;
 628                                         goto out;
 629                                 case 2: /* do it, and the rest without asking */
 630                                         check_sample_rate = false;
 631                                         break;
 632                                 case 3: /* do it */
 633                                         break;
 634                                 default:
 635                                         ret = -2;
 636                                         goto out;
 637                                 }
 638                         } else {
 639                                 choices.push_back (_("Cancel"));
 640                                 choices.push_back (_("Embed it anyway"));
 641
 642                                 Gtkmm2ext::Choice rate_choice (
 643                                         _("Sample rate"),
 644                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 645                                         choices, false
 646                                         );
 647
 648                                 int resx = rate_choice.run ();
 649
 650                                 switch (resx) {
 651                                 case 0: /* don't import */
 652                                         ret = -1;
 653                                         goto out;
 654                                 case 1: /* do it */
 655                                         break;
 656                                 default:
 657                                         ret = -2;
 658                                         goto out;
 659                                 }
 660                         }
 661                 }
 662
 663                 track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 664
 665                 for (int n = 0; n < finfo.channels; ++n) {
 666                         try {
 667
 668                                 /* check if we have this thing embedded already */
 669
 670                                 boost::shared_ptr<Source> s;
 671
 672                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 673
 674                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 675                                                 SourceFactory::createReadable (DataType::AUDIO, *_session,
 676                                                                                path_to_use, n,
 677                                                                                (mode == ImportAsTapeTrack
 678                                                                                 ? Source::Destructive
 679                                                                                 : Source::Flag (0)),
 680                                                                         true, true));
 681                                 } else {
 682                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 683                                 }
 684
 685                                 sources.push_back(source);
 686                         }
 687
 688                         catch (failed_constructor& err) {
 689                                 error << string_compose(_("could not open %1"), path) << endmsg;
 690                                 goto out;
 691                         }
 692
 693                         ARDOUR_UI::instance()->flush_pending ();
 694                 }
 695         }
 696
 697         if (sources.empty()) {
 698                 goto out;
 699         }
 700
 701         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 702
 703   out:
 704         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 705         return ret;
 706 }
 707
 708 int
 709 Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode,
 710                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 711 {
 712         vector<boost::shared_ptr<Region> > regions;
 713         ustring region_name;
 714         uint32_t input_chan = 0;
 715         uint32_t output_chan = 0;
 716         bool use_timestamp;
 717
 718         use_timestamp = (pos == -1);
 719
 720         if (use_timestamp) {
 721                 if (sources[0]->natural_position() != 0) {
 722                         pos = sources[0]->natural_position();
 723                 } else {
 724                         pos = _session->current_start_frame();
 725                 }
 726         }
 727
 728         // kludge (for MIDI we're abusing "channel" for "track" here)
 729         if (paths.front().rfind(".mid") != Glib::ustring::npos)
 730                 target_regions = -1;
 731
 732         if (target_regions == 1) {
 733
 734                 /* take all the sources we have and package them up as a region */
 735
 736                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 737
 738                 PropertyList plist;
 739
 740                 plist.add (ARDOUR::Properties::start, 0);
 741                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 742                 plist.add (ARDOUR::Properties::name, region_name);
 743                 plist.add (ARDOUR::Properties::layer, 0);
 744                 plist.add (ARDOUR::Properties::whole_file, true);
 745                 plist.add (ARDOUR::Properties::external, true);
 746
 747                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 748
 749                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 750                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 751                 }
 752
 753                 regions.push_back (r);
 754
 755
 756         } else if (target_regions == -1 || target_regions > 1) {
 757
 758                 /* take each source and create a region for each one */
 759
 760                 SourceList just_one;
 761                 SourceList::iterator x;
 762                 uint32_t n;
 763
 764                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 765
 766                         just_one.clear ();
 767                         just_one.push_back (*x);
 768
 769                         region_name = region_name_from_path ((*x)->path(), false, false, sources.size(), n);
 770
 771                         PropertyList plist;
 772
 773                         plist.add (ARDOUR::Properties::start, 0);
 774                         plist.add (ARDOUR::Properties::length, (*x)->length (pos));
 775                         plist.add (ARDOUR::Properties::name, region_name);
 776                         plist.add (ARDOUR::Properties::layer, 0);
 777                         plist.add (ARDOUR::Properties::whole_file, true);
 778                         plist.add (ARDOUR::Properties::external, true);
 779
 780                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 781
 782                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 783                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 784                         }
 785
 786                         regions.push_back (r);
 787                 }
 788         }
 789
 790         if (target_regions == 1) {
 791                 input_chan = regions.front()->n_channels();
 792         } else {
 793                 if (target_tracks == 1) {
 794                         input_chan = regions.size();
 795                 } else {
 796                         input_chan = 1;
 797                 }
 798         }
 799
 800         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 801                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 802         } else {
 803                 output_chan = input_chan;
 804         }
 805
 806         int n = 0;
 807
 808         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 809
 810                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 811
 812                 if (target_tracks != 1) {
 813                         track.reset ();
 814                 } else {
 815                         pos += (*r)->length();
 816                 }
 817         }
 818
 819         /* setup peak file building in another thread */
 820
 821         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 822                 SourceFactory::setup_peakfile (*x, true);
 823         }
 824
 825         return 0;
 826 }
 827
 828 int
 829 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 830                                   ImportMode mode, boost::shared_ptr<Track>& existing_track)
 831 {
 832         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 833         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 834
 835         switch (mode) {
 836         case ImportAsRegion:
 837                 /* relax, its been done */
 838                 break;
 839
 840         case ImportToTrack:
 841         {
 842                 if (!existing_track) {
 843
 844                         if (ar) {
 845                                 existing_track = get_nth_selected_audio_track (0);
 846                         } else if (mr) {
 847                                 existing_track = get_nth_selected_midi_track (0);
 848                         }
 849
 850                         if (!existing_track) {
 851                                 return -1;
 852                         }
 853                 }
 854
 855                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 856                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 857                 begin_reversible_command (_("insert file"));
 858                 playlist->clear_history ();
 859                 playlist->add_region (copy, pos);
 860                 _session->add_command (new StatefulDiffCommand (playlist));
 861                 commit_reversible_command ();
 862                 break;
 863         }
 864
 865         case ImportAsTrack:
 866         {
 867                 if (!existing_track) {
 868                         if (ar) {
 869                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 870
 871                                 if (at.empty()) {
 872                                         return -1;
 873                                 }
 874
 875                                 existing_track = at.front();
 876                         } else if (mr) {
 877                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (Normal, 0, 1));
 878
 879                                 if (mt.empty()) {
 880                                         return -1;
 881                                 }
 882
 883                                 existing_track = mt.front();
 884                         }
 885
 886                         existing_track->set_name (region->name());
 887                 }
 888
 889                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 890                 existing_track->playlist()->add_region (copy, pos);
 891                 break;
 892         }
 893
 894
 895         case ImportAsTapeTrack:
 896         {
 897                 if (!ar)
 898                         return -1;
 899
 900                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 901                 if (!at.empty()) {
 902                         boost::shared_ptr<Region> copy (RegionFactory::create (region));
 903                         at.front()->set_name (basename_nosuffix (copy->name()));
 904                         at.front()->playlist()->add_region (copy, pos);
 905                 }
 906                 break;
 907         }
 908         }
 909
 910         return 0;
 911 }
 912
 913 void *
 914 Editor::_import_thread (void *arg)
 915 {
 916         SessionEvent::create_per_thread_pool ("import events", 64);
 917
 918         Editor *ed = (Editor *) arg;
 919         return ed->import_thread ();
 920 }
 921
 922 void *
 923 Editor::import_thread ()
 924 {
 925         _session->import_audiofiles (import_status);
 926         pthread_exit_pbd (0);
 927         /*NOTREACHED*/
 928         return 0;
 929 }