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
  26 #include <sndfile.h>
  27
  28 #include <pbd/pthread_utils.h>
  29 #include <pbd/basename.h>
  30 #include <pbd/shortpath.h>
  31
  32 #include <gtkmm2ext/choice.h>
  33 #include <gtkmm2ext/window_title.h>
  34
  35 #include <ardour/session.h>
  36 #include <ardour/session_directory.h>
  37 #include <ardour/audioplaylist.h>
  38 #include <ardour/audioregion.h>
  39 #include <ardour/audio_diskstream.h>
  40 #include <ardour/utils.h>
  41 #include <ardour/audio_track.h>
  42 #include <ardour/audioplaylist.h>
  43 #include <ardour/audiofilesource.h>
  44 #include <ardour/region_factory.h>
  45 #include <ardour/source_factory.h>
  46 #include <ardour/session.h>
  47 #include <pbd/memento_command.h>
  48
  49 #include "ardour_ui.h"
  50 #include "editor.h"
  51 #include "sfdb_ui.h"
  52 #include "editing.h"
  53 #include "audio_time_axis.h"
  54 #include "utils.h"
  55
  56 #include "i18n.h"
  57
  58 using namespace std;
  59 using namespace ARDOUR;
  60 using namespace PBD;
  61 using namespace sigc;
  62 using namespace Gtk;
  63 using namespace Gtkmm2ext;
  64 using namespace Editing;
  65 using Glib::ustring;
  66
  67 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  68
  69 void
  70 Editor::add_external_audio_action (ImportMode mode_hint)
  71 {
  72         if (session == 0) {
  73                 MessageDialog msg (0, _("You can't import or embed an audiofile until you have a session loaded."));
  74                 msg.run ();
  75                 return;
  76         }
  77
  78         if (sfbrowser == 0) {
  79                 sfbrowser = new SoundFileOmega (*this, _("Add existing audio"), session, 0, true, mode_hint);
  80         } else {
  81                 sfbrowser->set_mode (mode_hint);
  82         }
  83
  84         external_audio_dialog ();
  85 }
  86
  87 void
  88 Editor::external_audio_dialog ()
  89 {
  90         vector<Glib::ustring> paths;
  91         uint32_t track_cnt;
  92
  93         if (session == 0) {
  94                 MessageDialog msg (0, _("You can't import or embed an audiofile until you have a session loaded."));
  95                 msg.run ();
  96                 return;
  97         }
  98
  99         track_cnt = 0;
 100
 101         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 102                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 103
 104                 if (!atv) {
 105                         continue;
 106                 } else if (atv->is_audio_track()) {
 107                         track_cnt++;
 108                 }
 109         }
 110
 111         if (sfbrowser == 0) {
 112                 sfbrowser = new SoundFileOmega (*this, _("Add existing audio"), session, track_cnt, true);
 113         } else {
 114                 sfbrowser->reset (track_cnt);
 115         }
 116
 117         sfbrowser->show_all ();
 118
 119
 120         bool keepRunning;
 121
 122         do {
 123                 keepRunning = false;
 124
 125                 int response = sfbrowser->run ();
 126
 127                 switch (response) {
 128                         case RESPONSE_APPLY:
 129                                 // leave the dialog open
 130                                 break;
 131
 132                         case RESPONSE_OK:
 133                                 sfbrowser->hide ();
 134                                 break;
 135
 136                         default:
 137                                 // cancel from the browser - we are done
 138                                 sfbrowser->hide ();
 139                                 return;
 140                 }
 141
 142                 /* lets do it */
 143
 144                 paths = sfbrowser->get_paths ();
 145
 146                 ImportPosition pos = sfbrowser->get_position ();
 147                 ImportMode mode = sfbrowser->get_mode ();
 148                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 149                 nframes64_t where;
 150
 151                 switch (pos) {
 152                         case ImportAtEditPoint:
 153                                 where = get_preferred_edit_position ();
 154                                 break;
 155                         case ImportAtTimestamp:
 156                                 where = -1;
 157                                 break;
 158                         case ImportAtPlayhead:
 159                                 where = playhead_cursor->current_frame;
 160                                 break;
 161                         case ImportAtStart:
 162                                 where = session->current_start_frame();
 163                                 break;
 164                 }
 165
 166                 SrcQuality quality = sfbrowser->get_src_quality();
 167
 168
 169                 if (sfbrowser->copy_files_btn.get_active()) {
 170                         do_import (paths, chns, mode, quality, where);
 171                 } else {
 172                         do_embed (paths, chns, mode, where);
 173                 }
 174
 175                 if (response == RESPONSE_APPLY) {
 176                         sfbrowser->clear_selection ();
 177                         keepRunning = true;
 178                 }
 179
 180         } while (keepRunning);
 181 }
 182
 183 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 184
 185 /**
 186  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 187  *
 188  * all_or_nothing:
 189  *   true  = show "Update", "Import" and "Skip"
 190  *   false = show "Import", and "Cancel"
 191  *
 192  * Returns:
 193  *     0  To update an existing source of the same name
 194  *     1  To import/embed the file normally (make sure the new name will be unique)
 195  *     2  If the user wants to skip this file
 196  **/
 197 int
 198 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 199 {
 200         string wave_name (Glib::path_get_basename(path));
 201
 202         SourceMap all_sources = session->get_sources();
 203         bool wave_name_exists = false;
 204
 205         for (SourceMap::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
 206                 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
 207
 208                 string tmp (Glib::path_get_basename (afs->path()));
 209
 210                 if (tmp == wave_name) {
 211                         wave_name_exists = true;
 212                         break;
 213                 }
 214         }
 215
 216         int function = 1;
 217
 218
 219         if (wave_name_exists) {
 220                 string message;
 221                 if (all_or_nothing) {
 222                         // updating is still disabled
 223                         //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);
 224                         message = string_compose(_("The session already contains a source file named %1. This file will be imported as a new file, please confirm."),wave_name);
 225                 } else {
 226                         message = _("Lorem ipsum. Do you want to skidaddle?");
 227
 228                 }
 229                 MessageDialog dialog(message, false,Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 230
 231                 if (all_or_nothing) {
 232                         // disabled
 233                         //dialog.add_button("Update", 0);
 234                         dialog.add_button("Import", 1);
 235                         dialog.add_button("Skip",   2);
 236                 } else {
 237                         dialog.add_button("Import", 1);
 238                         dialog.add_button("Cancel", 2);
 239                 }
 240
 241
 242                 //dialog.add_button("Skip all", 4); // All or rest?
 243
 244                 dialog.show();
 245
 246                 function = dialog.run ();
 247
 248                 dialog.hide();
 249         }
 250
 251         return function;
 252 }
 253
 254 boost::shared_ptr<AudioTrack>
 255 Editor::get_nth_selected_audio_track (int nth) const
 256 {
 257         AudioTimeAxisView* atv;
 258         TrackSelection::iterator x;
 259
 260         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 261
 262                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 263
 264                 if (!atv) {
 265                         continue;
 266                 } else if (atv->is_audio_track()) {
 267                         --nth;
 268                 }
 269         }
 270
 271         if (x == selection->tracks.end()) {
 272                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 273         } else {
 274                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 275         }
 276
 277         if (!atv || !atv->is_audio_track()) {
 278                 return boost::shared_ptr<AudioTrack>();
 279         }
 280
 281         return atv->audio_track();
 282 }
 283
 284 void
 285 Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 286 {
 287         boost::shared_ptr<AudioTrack> track;
 288         vector<ustring> to_import;
 289         bool ok = true;
 290         int nth = 0;
 291
 292         if (interthread_progress_window == 0) {
 293                 build_interthread_progress_window ();
 294         }
 295
 296
 297         if (chns == Editing::ImportMergeFiles) {
 298                 /* create 1 region from all paths, add to 1 track,
 299                    ignore "track"
 300                 */
 301                 bool cancel = false;
 302                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end() && ok; ++a) {
 303                         int check = check_whether_and_how_to_import(*a, false);
 304                         if (check == 2) {
 305                                 cancel = true;
 306                                 break;
 307                         }
 308                 }
 309
 310                 if (!cancel) {
 311                         if (import_sndfiles (paths, mode, quality, pos, 1, 1, track, false)) {
 312                                 ok = false;
 313                         }
 314                 }
 315
 316         } else {
 317                 bool replace = false;
 318
 319                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end() && ok; ++a) {
 320
 321                         int check = check_whether_and_how_to_import(*a, true);
 322
 323                         if (check == 2 ) {
 324                                 // skip
 325                                 continue;
 326                         }
 327
 328                         if (check == 0) {
 329                                 fatal << "Updating existing sources should be disabled!" << endl;
 330                                 replace = true;
 331                         } else if (check == 1) {
 332                                 replace = false;
 333                         }
 334
 335
 336                         switch (chns) {
 337                                 case Editing::ImportDistinctFiles:
 338
 339                                         to_import.clear ();
 340                                         to_import.push_back (*a);
 341
 342                                         if (mode == Editing::ImportToTrack) {
 343                                                 track = get_nth_selected_audio_track (nth++);
 344                                         }
 345
 346                                         if (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace)) {
 347                                                 ok = false;
 348                                         }
 349
 350                                         break;
 351
 352                                 case Editing::ImportDistinctChannels:
 353
 354                                         to_import.clear ();
 355                                         to_import.push_back (*a);
 356
 357                                         if (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace)) {
 358                                                 ok = false;
 359                                         }
 360
 361                                         break;
 362
 363                                 case Editing::ImportSerializeFiles:
 364
 365                                         to_import.clear ();
 366                                         to_import.push_back (*a);
 367
 368                                         /* create 1 region from this path, add to 1 track,
 369                                            reuse "track" across paths
 370                                            */
 371
 372                                         if (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace)) {
 373                                                 ok = false;
 374                                         }
 375
 376                                         break;
 377
 378                                 case Editing::ImportMergeFiles:
 379                                         // Not entered
 380                                         break;
 381                         }
 382                 }
 383
 384                 if (ok) {
 385                         session->save_state ("");
 386                 }
 387
 388                 interthread_progress_window->hide_all ();
 389         }
 390 }
 391
 392 bool
 393 Editor::idle_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 394 {
 395         _do_embed (paths, chns, mode, pos);
 396         return false;
 397 }
 398
 399 void
 400 Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 401 {
 402 #ifdef GTKOSX
 403         Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_do_embed), paths, chns, mode, pos));
 404 #else
 405         _do_embed (paths, chns, mode, pos);
 406 #endif
 407 }
 408
 409 void
 410 Editor::_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 411 {
 412         boost::shared_ptr<AudioTrack> track;
 413         bool check_sample_rate = true;
 414         bool ok = false;
 415         vector<ustring> to_embed;
 416         bool multi = paths.size() > 1;
 417         int nth = 0;
 418
 419         switch (chns) {
 420         case Editing::ImportDistinctFiles:
 421                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 422
 423                         to_embed.clear ();
 424                         to_embed.push_back (*a);
 425
 426                         if (mode == Editing::ImportToTrack) {
 427                                 track = get_nth_selected_audio_track (nth++);
 428                         }
 429
 430                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 431                                 goto out;
 432                         }
 433                 }
 434                 break;
 435
 436         case Editing::ImportDistinctChannels:
 437                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 438
 439                         to_embed.clear ();
 440                         to_embed.push_back (*a);
 441
 442                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 443                                 goto out;
 444                         }
 445                 }
 446                 break;
 447
 448         case Editing::ImportMergeFiles:
 449                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 450                         goto out;
 451                 }
 452         break;
 453
 454         case Editing::ImportSerializeFiles:
 455                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 456
 457                         to_embed.clear ();
 458                         to_embed.push_back (*a);
 459
 460                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 461                                 goto out;
 462                         }
 463                 }
 464                 break;
 465         }
 466
 467         ok = true;
 468
 469   out:
 470         if (ok) {
 471                 session->save_state ("");
 472         }
 473 }
 474
 475 int
 476 Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos,
 477                          int target_regions, int target_tracks, boost::shared_ptr<AudioTrack>& track, bool replace)
 478 {
 479         WindowTitle title = string_compose (_("importing %1"), paths.front());
 480
 481         interthread_progress_window->set_title (title.get_string());
 482         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
 483         interthread_progress_window->show_all ();
 484         interthread_progress_bar.set_fraction (0.0f);
 485         interthread_cancel_label.set_text (_("Cancel Import"));
 486         current_interthread_info = &import_status;
 487
 488         import_status.paths = paths;
 489         import_status.done = false;
 490         import_status.cancel = false;
 491         import_status.freeze = false;
 492         import_status.done = 0.0;
 493         import_status.quality = quality;
 494         import_status.replace_existing_source = replace;
 495
 496         interthread_progress_connection = Glib::signal_timeout().connect
 497                 (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
 498
 499         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 500         ARDOUR_UI::instance()->flush_pending ();
 501
 502         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 503            and if successful will add the file(s) as a region to the session region list.
 504         */
 505
 506         pthread_create_and_store ("import", &import_status.thread, 0, _import_thread, this);
 507         pthread_detach (import_status.thread);
 508
 509         while (!(import_status.done || import_status.cancel)) {
 510                 gtk_main_iteration ();
 511         }
 512
 513         interthread_progress_window->hide ();
 514
 515         import_status.done = true;
 516         interthread_progress_connection.disconnect ();
 517
 518         /* import thread finished - see if we should build a new track */
 519
 520         boost::shared_ptr<AudioRegion> r;
 521
 522         if (import_status.cancel || import_status.sources.empty()) {
 523                 goto out;
 524         }
 525
 526         if (add_sources (paths, import_status.sources, pos, mode, target_regions, target_tracks, track, false) == 0) {
 527                 session->save_state ("");
 528         }
 529
 530   out:
 531         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
 532         return 0;
 533 }
 534
 535 int
 536 Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 537                         bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
 538                         boost::shared_ptr<AudioTrack>& track)
 539 {
 540         boost::shared_ptr<AudioFileSource> source;
 541         SourceList sources;
 542         string linked_path;
 543         SoundFileInfo finfo;
 544         int ret = 0;
 545
 546         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 547         ARDOUR_UI::instance()->flush_pending ();
 548
 549         for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 550
 551                 ustring path = *p;
 552
 553                 /* lets see if we can link it into the session */
 554
 555                 sys::path tmp = session->session_directory().sound_path() / Glib::path_get_basename(path);
 556                 linked_path = tmp.to_string();
 557
 558                 if (link (path.c_str(), linked_path.c_str()) == 0) {
 559
 560                         /* there are many reasons why link(2) might have failed.
 561                            but if it succeeds, we now have a link in the
 562                            session sound dir that will protect against
 563                            unlinking of the original path. nice.
 564                         */
 565
 566                         path = linked_path;
 567
 568                 } else {
 569
 570                         /* one possible reason is that its already linked */
 571
 572                         if (errno == EEXIST) {
 573                                 struct stat sb;
 574
 575                                 if (stat (linked_path.c_str(), &sb) == 0) {
 576                                         if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 577                                                 path = linked_path;
 578                                         }
 579                                 }
 580                         }
 581                 }
 582
 583                 /* note that we temporarily truncated _id at the colon */
 584
 585                 string error_msg;
 586
 587                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 588                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 589                         goto out;
 590                 }
 591
 592                 if (check_sample_rate  && (finfo.samplerate != (int) session->frame_rate())) {
 593                         vector<string> choices;
 594
 595                         if (multifile) {
 596                                 choices.push_back (_("Cancel entire import"));
 597                                 choices.push_back (_("Don't embed it"));
 598                                 choices.push_back (_("Embed all without questions"));
 599
 600                                 Gtkmm2ext::Choice rate_choice (
 601                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 602                                                         short_path (path, 40)),
 603                                         choices, false);
 604
 605                                 int resx = rate_choice.run ();
 606
 607                                 switch (resx) {
 608                                 case 0: /* stop a multi-file import */
 609                                         ret = -2;
 610                                         goto out;
 611                                 case 1: /* don't embed this one */
 612                                         ret = -1;
 613                                         goto out;
 614                                 case 2: /* do it, and the rest without asking */
 615                                         check_sample_rate = false;
 616                                         break;
 617                                 case 3: /* do it */
 618                                         break;
 619                                 default:
 620                                         ret = -2;
 621                                         goto out;
 622                                 }
 623                         } else {
 624                                 choices.push_back (_("Cancel"));
 625                                 choices.push_back (_("Embed it anyway"));
 626
 627                                 Gtkmm2ext::Choice rate_choice (
 628                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 629                                         choices, false);
 630
 631                                 int resx = rate_choice.run ();
 632
 633                                 switch (resx) {
 634                                 case 0: /* don't import */
 635                                         ret = -1;
 636                                         goto out;
 637                                 case 1: /* do it */
 638                                         break;
 639                                 default:
 640                                         ret = -2;
 641                                         goto out;
 642                                 }
 643                         }
 644                 }
 645
 646                 track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 647
 648                 for (int n = 0; n < finfo.channels; ++n) {
 649                         try {
 650
 651                                 /* check if we have this thing embedded already */
 652
 653                                 boost::shared_ptr<Source> s;
 654
 655                                 if ((s = session->source_by_path_and_channel (path, n)) == 0) {
 656                                         source = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createReadable
 657                                                                                                (DataType::AUDIO, *session, path,  n,
 658                                                                                                 (mode == ImportAsTapeTrack ?
 659                                                                                                  AudioFileSource::Destructive :
 660                                                                                                  AudioFileSource::Flag (0)),
 661                                                                                                 true, true));
 662                                 } else {
 663                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 664                                 }
 665
 666                                 sources.push_back(source);
 667                         }
 668
 669                         catch (failed_constructor& err) {
 670                                 error << string_compose(_("could not open %1"), path) << endmsg;
 671                                 goto out;
 672                         }
 673
 674                         ARDOUR_UI::instance()->flush_pending ();
 675                 }
 676         }
 677
 678         if (sources.empty()) {
 679                 goto out;
 680         }
 681
 682         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 683
 684   out:
 685         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
 686         return ret;
 687 }
 688
 689 int
 690 Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode,
 691                      int target_regions, int target_tracks, boost::shared_ptr<AudioTrack>& track, bool add_channel_suffix)
 692 {
 693         vector<boost::shared_ptr<AudioRegion> > regions;
 694         ustring region_name;
 695         uint32_t input_chan = 0;
 696         uint32_t output_chan = 0;
 697
 698         if (pos == -1) { // "use timestamp"
 699                 if (sources[0]->natural_position() != 0) {
 700                         pos = sources[0]->natural_position();
 701                 } else {
 702                         pos = get_preferred_edit_position ();
 703                 }
 704         }
 705
 706         if (target_regions == 1) {
 707
 708                 /* take all the sources we have and package them up as a region */
 709
 710                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 711
 712                 regions.push_back (boost::dynamic_pointer_cast<AudioRegion>
 713                                    (RegionFactory::create (sources, 0, sources[0]->length(), region_name, 0,
 714                                                            Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
 715
 716         } else if (target_regions == -1) {
 717
 718                 /* take each source and create a region for each one */
 719
 720                 SourceList just_one;
 721                 SourceList::iterator x;
 722                 uint32_t n;
 723
 724                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 725
 726                         just_one.clear ();
 727                         just_one.push_back (*x);
 728
 729                         boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (*x);
 730
 731                         region_name = region_name_from_path (afs->path(), false, true, sources.size(), n);
 732
 733                         regions.push_back (boost::dynamic_pointer_cast<AudioRegion>
 734                                            (RegionFactory::create (just_one, 0, (*x)->length(), region_name, 0,
 735                                                                    Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
 736
 737                 }
 738         }
 739
 740         if (target_regions == 1) {
 741                 input_chan = regions.front()->n_channels();
 742         } else {
 743                 if (target_tracks == 1) {
 744                         input_chan = regions.size();
 745                 } else {
 746                         input_chan = 1;
 747                 }
 748         }
 749
 750         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 751                 output_chan = (session->master_out() ? session->master_out()->n_inputs().n_audio() : input_chan);
 752         } else {
 753                 output_chan = input_chan;
 754         }
 755
 756         int n = 0;
 757
 758         for (vector<boost::shared_ptr<AudioRegion> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 759
 760                 finish_bringing_in_audio (*r, input_chan, output_chan, pos, mode, track);
 761
 762                 if (target_tracks != 1) {
 763                         track.reset ();
 764                 } else {
 765                         pos += (*r)->length();
 766                 }
 767         }
 768
 769         /* setup peak file building in another thread */
 770
 771         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 772                 SourceFactory::setup_peakfile (*x, true);
 773         }
 774
 775         return 0;
 776 }
 777
 778 int
 779 Editor::finish_bringing_in_audio (boost::shared_ptr<AudioRegion> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 780                                   ImportMode mode, boost::shared_ptr<AudioTrack>& existing_track)
 781 {
 782         switch (mode) {
 783         case ImportAsRegion:
 784                 /* relax, its been done */
 785                 break;
 786
 787         case ImportToTrack:
 788         {
 789                 if (!existing_track) {
 790
 791                         existing_track = get_nth_selected_audio_track (0);
 792
 793                         if (!existing_track) {
 794                                 return -1;
 795                         }
 796                 }
 797
 798                 boost::shared_ptr<Playlist> playlist = existing_track->diskstream()->playlist();
 799                 boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 800                 begin_reversible_command (_("insert sndfile"));
 801                 XMLNode &before = playlist->get_state();
 802                 playlist->add_region (copy, pos);
 803                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
 804                 commit_reversible_command ();
 805                 break;
 806         }
 807
 808         case ImportAsTrack:
 809         {
 810                 if (!existing_track) {
 811                         list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Normal, 1));
 812
 813                         if (at.empty()) {
 814                                 return -1;
 815                         }
 816
 817                         existing_track = at.front();
 818                         existing_track->set_name (region->name());
 819                 }
 820
 821                 boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 822                 existing_track->diskstream()->playlist()->add_region (copy, pos);
 823                 break;
 824         }
 825
 826
 827         case ImportAsTapeTrack:
 828         {
 829                 list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Destructive));
 830                 if (!at.empty()) {
 831                         boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 832                         at.front()->set_name (basename_nosuffix (copy->name()));
 833                         at.front()->diskstream()->playlist()->add_region (copy, pos);
 834                 }
 835                 break;
 836         }
 837         }
 838
 839         return 0;
 840 }
 841
 842 void *
 843 Editor::_import_thread (void *arg)
 844 {
 845         PBD::ThreadCreated (pthread_self(), X_("Import"));
 846
 847         Editor *ed = (Editor *) arg;
 848         return ed->import_thread ();
 849 }
 850
 851 void *
 852 Editor::import_thread ()
 853 {
 854         session->import_audiofiles (import_status);
 855         pthread_exit_pbd (0);
 856         /*NOTREACHED*/
 857         return 0;
 858 }
 859
 860 gint
 861 Editor::import_progress_timeout (void *arg)
 862 {
 863         interthread_progress_label.set_text (import_status.doing_what);
 864
 865         if (import_status.freeze) {
 866                 interthread_cancel_button.set_sensitive(false);
 867         } else {
 868                 interthread_cancel_button.set_sensitive(true);
 869         }
 870
 871         if (import_status.doing_what == "building peak files") {
 872                 interthread_progress_bar.pulse ();
 873                 return FALSE;
 874         } else {
 875                 interthread_progress_bar.set_fraction (import_status.progress);
 876         }
 877
 878         return !(import_status.done || import_status.cancel);
 879 }
 880