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/audioplaylist.h>
  37 #include <ardour/audioregion.h>
  38 #include <ardour/audio_diskstream.h>
  39 #include <ardour/utils.h>
  40 #include <ardour/audio_track.h>
  41 #include <ardour/audioplaylist.h>
  42 #include <ardour/audiofilesource.h>
  43 #include <ardour/region_factory.h>
  44 #include <ardour/source_factory.h>
  45 #include <ardour/session.h>
  46 #include <pbd/memento_command.h>
  47
  48 #include "ardour_ui.h"
  49 #include "editor.h"
  50 #include "sfdb_ui.h"
  51 #include "editing.h"
  52 #include "audio_time_axis.h"
  53 #include "utils.h"
  54
  55 #include "i18n.h"
  56
  57 using namespace std;
  58 using namespace ARDOUR;
  59 using namespace PBD;
  60 using namespace sigc;
  61 using namespace Gtk;
  62 using namespace Gtkmm2ext;
  63 using namespace Editing;
  64 using Glib::ustring;
  65
  66 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  67
  68 void
  69 Editor::add_external_audio_action (ImportMode mode_hint)
  70 {
  71         if (session == 0) {
  72                 MessageDialog msg (0, _("You can't import or embed an audiofile until you have a session loaded."));
  73                 msg.run ();
  74                 return;
  75         }
  76
  77         if (sfbrowser == 0) {
  78                 sfbrowser = new SoundFileOmega (*this, _("Add existing audio"), session, 0, true, mode_hint);
  79         } else {
  80                 sfbrowser->set_mode (mode_hint);
  81         }
  82
  83         external_audio_dialog ();
  84 }
  85
  86 void
  87 Editor::external_audio_dialog ()
  88 {
  89         vector<Glib::ustring> paths;
  90         uint32_t track_cnt;
  91
  92         if (session == 0) {
  93                 MessageDialog msg (0, _("You can't import or embed an audiofile until you have a session loaded."));
  94                 msg.run ();
  95                 return;
  96         }
  97
  98         track_cnt = 0;
  99
 100         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 101                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 102
 103                 if (!atv) {
 104                         continue;
 105                 } else if (atv->is_audio_track()) {
 106                         track_cnt++;
 107                 }
 108         }
 109
 110         if (sfbrowser == 0) {
 111                 sfbrowser = new SoundFileOmega (*this, _("Add existing audio"), session, track_cnt, true);
 112         } else {
 113                 sfbrowser->reset (track_cnt);
 114         }
 115
 116         sfbrowser->show_all ();
 117
 118
 119         bool keepRunning;
 120
 121         do {
 122                 keepRunning = false;
 123
 124                 int response = sfbrowser->run ();
 125
 126                 switch (response) {
 127                         case RESPONSE_APPLY:
 128                                 // leave the dialog open
 129                                 break;
 130
 131                         case RESPONSE_OK:
 132                                 sfbrowser->hide ();
 133                                 break;
 134
 135                         default:
 136                                 // cancel from the browser - we are done
 137                                 sfbrowser->hide ();
 138                                 return;
 139                 }
 140
 141                 /* lets do it */
 142
 143                 paths = sfbrowser->get_paths ();
 144
 145                 ImportPosition pos = sfbrowser->get_position ();
 146                 ImportMode mode = sfbrowser->get_mode ();
 147                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 148                 nframes64_t where;
 149
 150                 switch (pos) {
 151                         case ImportAtEditPoint:
 152                                 where = get_preferred_edit_position ();
 153                                 break;
 154                         case ImportAtTimestamp:
 155                                 where = -1;
 156                                 break;
 157                         case ImportAtPlayhead:
 158                                 where = playhead_cursor->current_frame;
 159                                 break;
 160                         case ImportAtStart:
 161                                 where = session->current_start_frame();
 162                                 break;
 163                 }
 164
 165                 SrcQuality quality = sfbrowser->get_src_quality();
 166
 167
 168                 if (sfbrowser->copy_files_btn.get_active()) {
 169                         do_import (paths, chns, mode, quality, where);
 170                 } else {
 171                         do_embed (paths, chns, mode, where);
 172                 }
 173
 174                 if (response == RESPONSE_APPLY) {
 175                         sfbrowser->clear_selection ();
 176                         keepRunning = true;
 177                 }
 178
 179         } while (keepRunning);
 180 }
 181
 182 typedef std::map<PBD::ID,boost::shared_ptr<AudioSource> > AudioSourceList;
 183
 184 /**
 185  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 186  *
 187  * all_or_nothing:
 188  *   true  = show "Update", "Import" and "Skip"
 189  *   false = show "Import", and "Cancel"
 190  *
 191  * Returns:
 192  *     0  To update an existing source of the same name
 193  *     1  To import/embed the file normally (make sure the new name will be unique)
 194  *     2  If the user wants to skip this file
 195  **/
 196 int
 197 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 198 {
 199         string wave_name (Glib::path_get_basename(path));
 200
 201         AudioSourceList all_sources = session->get_audio_sources();
 202         bool wave_name_exists = false;
 203
 204         for (AudioSourceList::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
 205                 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
 206
 207                 string tmp (Glib::path_get_basename (afs->path()));
 208
 209                 if (tmp == wave_name) {
 210                         wave_name_exists = true;
 211                         break;
 212                 }
 213         }
 214
 215         int function = 1;
 216
 217
 218         if (wave_name_exists) {
 219                 string message;
 220                 if (all_or_nothing) {
 221                         // updating is still disabled
 222                         //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);
 223                         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);
 224                 } else {
 225                         message = _("Lorem ipsum. Do you want to skidaddle?");
 226
 227                 }
 228                 MessageDialog dialog(message, false,Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 229
 230                 if (all_or_nothing) {
 231                         // disabled
 232                         //dialog.add_button("Update", 0);
 233                         dialog.add_button("Import", 1);
 234                         dialog.add_button("Skip",   2);
 235                 } else {
 236                         dialog.add_button("Import", 1);
 237                         dialog.add_button("Cancel", 2);
 238                 }
 239
 240
 241                 //dialog.add_button("Skip all", 4); // All or rest?
 242
 243                 dialog.show();
 244
 245                 function = dialog.run ();
 246
 247                 dialog.hide();
 248         }
 249
 250         return function;
 251 }
 252
 253 boost::shared_ptr<AudioTrack>
 254 Editor::get_nth_selected_audio_track (int nth) const
 255 {
 256         AudioTimeAxisView* atv;
 257         TrackSelection::iterator x;
 258
 259         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 260
 261                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 262
 263                 if (!atv) {
 264                         continue;
 265                 } else if (atv->is_audio_track()) {
 266                         --nth;
 267                 }
 268         }
 269
 270         if (x == selection->tracks.end()) {
 271                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 272         } else {
 273                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 274         }
 275
 276         if (!atv || !atv->is_audio_track()) {
 277                 return boost::shared_ptr<AudioTrack>();
 278         }
 279
 280         return atv->audio_track();
 281 }
 282
 283 bool
 284 Editor::idle_do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 285 {
 286         _do_import (paths, chns, mode, quality, pos);
 287         return false;
 288 }
 289
 290 void
 291 Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 292 {
 293 #ifdef GTKOSX
 294         Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_do_import), paths, chns, mode, quality, pos));
 295 #else
 296         _do_import (paths, chns, mode, quality, pos);
 297 #endif
 298 }
 299
 300 void
 301 Editor::_do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 302 {
 303         boost::shared_ptr<AudioTrack> track;
 304         vector<ustring> to_import;
 305         bool ok = true;
 306         int nth = 0;
 307
 308         if (interthread_progress_window == 0) {
 309                 build_interthread_progress_window ();
 310         }
 311
 312
 313         if (chns == Editing::ImportMergeFiles) {
 314                 /* create 1 region from all paths, add to 1 track,
 315                    ignore "track"
 316                 */
 317                 bool cancel = false;
 318                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end() && ok; ++a) {
 319                         int check = check_whether_and_how_to_import(*a, false);
 320                         if (check == 2) {
 321                                 cancel = true;
 322                                 break;
 323                         }
 324                 }
 325
 326                 if (!cancel) {
 327                         if (import_sndfiles (paths, mode, quality, pos, 1, 1, track, false)) {
 328                                 ok = false;
 329                         }
 330                 }
 331
 332         } else {
 333                 bool replace;
 334
 335                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end() && ok; ++a) {
 336
 337                         int check = check_whether_and_how_to_import(*a, true);
 338
 339                         if (check == 2 ) {
 340                                 // skip
 341                                 continue;
 342                         }
 343
 344                         if (check == 0) {
 345                                 fatal << "Updating existing sources should be disabled!" << endl;
 346                                 replace = true;
 347                         } else if (check == 1) {
 348                                 replace = false;
 349                         }
 350
 351
 352                         switch (chns) {
 353                                 case Editing::ImportDistinctFiles:
 354
 355                                         to_import.clear ();
 356                                         to_import.push_back (*a);
 357
 358                                         if (mode == Editing::ImportToTrack) {
 359                                                 track = get_nth_selected_audio_track (nth++);
 360                                         }
 361
 362                                         if (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace)) {
 363                                                 ok = false;
 364                                         }
 365
 366                                         break;
 367
 368                                 case Editing::ImportDistinctChannels:
 369
 370                                         to_import.clear ();
 371                                         to_import.push_back (*a);
 372
 373                                         if (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace)) {
 374                                                 ok = false;
 375                                         }
 376
 377                                         break;
 378
 379                                 case Editing::ImportSerializeFiles:
 380
 381                                         to_import.clear ();
 382                                         to_import.push_back (*a);
 383
 384                                         /* create 1 region from this path, add to 1 track,
 385                                            reuse "track" across paths
 386                                            */
 387
 388                                         if (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace)) {
 389                                                 ok = false;
 390                                         }
 391
 392                                         break;
 393
 394                                 case Editing::ImportMergeFiles:
 395                                         // Not entered
 396                                         break;
 397                         }
 398                 }
 399
 400                 if (ok) {
 401                         session->save_state ("");
 402                 }
 403
 404                 interthread_progress_window->hide_all ();
 405         }
 406 }
 407
 408 bool
 409 Editor::idle_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 410 {
 411         _do_embed (paths, chns, mode, pos);
 412         return false;
 413 }
 414
 415 void
 416 Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 417 {
 418 #ifdef GTKOSX
 419         Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_do_embed), paths, chns, mode, pos));
 420 #else
 421         _do_embed (paths, chns, mode, pos);
 422 #endif
 423 }
 424
 425 void
 426 Editor::_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 427 {
 428         boost::shared_ptr<AudioTrack> track;
 429         bool check_sample_rate = true;
 430         bool ok = false;
 431         vector<ustring> to_embed;
 432         bool multi = paths.size() > 1;
 433         int nth = 0;
 434
 435         switch (chns) {
 436         case Editing::ImportDistinctFiles:
 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 (mode == Editing::ImportToTrack) {
 443                                 track = get_nth_selected_audio_track (nth++);
 444                         }
 445
 446                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 447                                 goto out;
 448                         }
 449                 }
 450                 break;
 451
 452         case Editing::ImportDistinctChannels:
 453                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 454
 455                         to_embed.clear ();
 456                         to_embed.push_back (*a);
 457
 458                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 459                                 goto out;
 460                         }
 461                 }
 462                 break;
 463
 464         case Editing::ImportMergeFiles:
 465                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 466                         goto out;
 467                 }
 468         break;
 469
 470         case Editing::ImportSerializeFiles:
 471                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 472
 473                         to_embed.clear ();
 474                         to_embed.push_back (*a);
 475
 476                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 477                                 goto out;
 478                         }
 479                 }
 480                 break;
 481         }
 482
 483         ok = true;
 484
 485   out:
 486         if (ok) {
 487                 session->save_state ("");
 488         }
 489 }
 490
 491 int
 492 Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos,
 493                          int target_regions, int target_tracks, boost::shared_ptr<AudioTrack>& track, bool replace)
 494 {
 495         WindowTitle title = string_compose (_("importing %1"), paths.front());
 496
 497         interthread_progress_window->set_title (title.get_string());
 498         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
 499         interthread_progress_window->show_all ();
 500         interthread_progress_bar.set_fraction (0.0f);
 501         interthread_cancel_label.set_text (_("Cancel Import"));
 502         current_interthread_info = &import_status;
 503
 504         import_status.paths = paths;
 505         import_status.done = false;
 506         import_status.cancel = false;
 507         import_status.freeze = false;
 508         import_status.done = 0.0;
 509         import_status.quality = quality;
 510         import_status.replace_existing_source = replace;
 511
 512         interthread_progress_connection = Glib::signal_timeout().connect
 513                 (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
 514
 515         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 516         ARDOUR_UI::instance()->flush_pending ();
 517
 518         /* start import thread for this spec. this will ultimately call Session::import_audiofile()
 519            and if successful will add the file(s) as a region to the session region list.
 520         */
 521
 522         pthread_create_and_store ("import", &import_status.thread, 0, _import_thread, this);
 523         pthread_detach (import_status.thread);
 524
 525         while (!(import_status.done || import_status.cancel)) {
 526                 gtk_main_iteration ();
 527         }
 528
 529         interthread_progress_window->hide ();
 530
 531         import_status.done = true;
 532         interthread_progress_connection.disconnect ();
 533
 534         /* import thread finished - see if we should build a new track */
 535
 536         boost::shared_ptr<AudioRegion> r;
 537
 538         if (import_status.cancel || import_status.sources.empty()) {
 539                 goto out;
 540         }
 541
 542         if (add_sources (paths, import_status.sources, pos, mode, target_regions, target_tracks, track, false) == 0) {
 543                 session->save_state ("");
 544         }
 545
 546   out:
 547         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 548         return 0;
 549 }
 550
 551 int
 552 Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 553                         bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
 554                         boost::shared_ptr<AudioTrack>& track)
 555 {
 556         boost::shared_ptr<AudioFileSource> source;
 557         SourceList sources;
 558         string linked_path;
 559         SoundFileInfo finfo;
 560         int ret = 0;
 561
 562         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 563         ARDOUR_UI::instance()->flush_pending ();
 564
 565         for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 566
 567                 ustring path = *p;
 568
 569                 /* lets see if we can link it into the session */
 570
 571                 linked_path = session->sound_dir();
 572                 linked_path += '/';
 573                 linked_path += Glib::path_get_basename (path);
 574
 575                 if (link (path.c_str(), linked_path.c_str()) == 0) {
 576
 577                         /* there are many reasons why link(2) might have failed.
 578                            but if it succeeds, we now have a link in the
 579                            session sound dir that will protect against
 580                            unlinking of the original path. nice.
 581                         */
 582
 583                         path = linked_path;
 584
 585                 } else {
 586
 587                         /* one possible reason is that its already linked */
 588
 589                         if (errno == EEXIST) {
 590                                 struct stat sb;
 591
 592                                 if (stat (linked_path.c_str(), &sb) == 0) {
 593                                         if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 594                                                 path = linked_path;
 595                                         }
 596                                 }
 597                         }
 598                 }
 599
 600                 /* note that we temporarily truncated _id at the colon */
 601
 602                 string error_msg;
 603
 604                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 605                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 606                         goto out;
 607                 }
 608
 609                 if (check_sample_rate  && (finfo.samplerate != (int) session->frame_rate())) {
 610                         vector<string> choices;
 611
 612                         if (multifile) {
 613                                 choices.push_back (_("Cancel entire import"));
 614                                 choices.push_back (_("Don't embed it"));
 615                                 choices.push_back (_("Embed all without questions"));
 616
 617                                 Gtkmm2ext::Choice rate_choice (
 618                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 619                                                         short_path (path, 40)),
 620                                         choices, false);
 621
 622                                 int resx = rate_choice.run ();
 623
 624                                 switch (resx) {
 625                                 case 0: /* stop a multi-file import */
 626                                         ret = -2;
 627                                         goto out;
 628                                 case 1: /* don't embed this one */
 629                                         ret = -1;
 630                                         goto out;
 631                                 case 2: /* do it, and the rest without asking */
 632                                         check_sample_rate = false;
 633                                         break;
 634                                 case 3: /* do it */
 635                                         break;
 636                                 default:
 637                                         ret = -2;
 638                                         goto out;
 639                                 }
 640                         } else {
 641                                 choices.push_back (_("Cancel"));
 642                                 choices.push_back (_("Embed it anyway"));
 643
 644                                 Gtkmm2ext::Choice rate_choice (
 645                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 646                                         choices, false);
 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                                         cerr << "add embed/import source with defer_peaks = true\n";
 675
 676                                         source = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createReadable
 677                                                                                                (*session, path,  n,
 678                                                                                                 (mode == ImportAsTapeTrack ?
 679                                                                                                  AudioFileSource::Destructive :
 680                                                                                                  AudioFileSource::Flag (0)),
 681                                                                                                 true, true));
 682                                 } else {
 683                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 684                                 }
 685
 686                                 sources.push_back(source);
 687                         }
 688
 689                         catch (failed_constructor& err) {
 690                                 error << string_compose(_("could not open %1"), path) << endmsg;
 691                                 goto out;
 692                         }
 693
 694                         ARDOUR_UI::instance()->flush_pending ();
 695                 }
 696         }
 697
 698         if (sources.empty()) {
 699                 goto out;
 700         }
 701
 702         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 703
 704   out:
 705         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 706         return ret;
 707 }
 708
 709 int
 710 Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode,
 711                      int target_regions, int target_tracks, boost::shared_ptr<AudioTrack>& track, bool add_channel_suffix)
 712 {
 713         vector<boost::shared_ptr<AudioRegion> > regions;
 714         ustring region_name;
 715         uint32_t input_chan = 0;
 716         uint32_t output_chan = 0;
 717
 718         if (pos == -1) { // "use timestamp"
 719                 if (sources[0]->natural_position() != 0) {
 720                         pos = sources[0]->natural_position();
 721                 } else {
 722                         pos = get_preferred_edit_position ();
 723                 }
 724         }
 725
 726         if (target_regions == 1) {
 727
 728                 /* take all the sources we have and package them up as a region */
 729
 730                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 731
 732                 regions.push_back (boost::dynamic_pointer_cast<AudioRegion>
 733                                    (RegionFactory::create (sources, 0, sources[0]->length(), region_name, 0,
 734                                                            Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
 735
 736         } else if (target_regions == -1) {
 737
 738                 /* take each source and create a region for each one */
 739
 740                 SourceList just_one;
 741                 SourceList::iterator x;
 742                 uint32_t n;
 743
 744                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 745
 746                         just_one.clear ();
 747                         just_one.push_back (*x);
 748
 749                         boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (*x);
 750
 751                         region_name = region_name_from_path (afs->path(), false, true, sources.size(), n);
 752
 753                         regions.push_back (boost::dynamic_pointer_cast<AudioRegion>
 754                                            (RegionFactory::create (just_one, 0, (*x)->length(), region_name, 0,
 755                                                                    Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
 756
 757                 }
 758         }
 759
 760         if (target_regions == 1) {
 761                 input_chan = regions.front()->n_channels();
 762         } else {
 763                 if (target_tracks == 1) {
 764                         input_chan = regions.size();
 765                 } else {
 766                         input_chan = 1;
 767                 }
 768         }
 769
 770         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 771                 output_chan = (session->master_out() ? session->master_out()->n_inputs() : input_chan);
 772         } else {
 773                 output_chan = input_chan;
 774         }
 775
 776         int n = 0;
 777
 778         for (vector<boost::shared_ptr<AudioRegion> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 779
 780                 finish_bringing_in_audio (*r, input_chan, output_chan, pos, mode, track);
 781
 782                 if (target_tracks != 1) {
 783                         track.reset ();
 784                 } else {
 785                         pos += (*r)->length();
 786                 }
 787         }
 788
 789         /* setup peak file building in another thread */
 790
 791         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 792                 SourceFactory::setup_peakfile (*x, true);
 793         }
 794
 795         return 0;
 796 }
 797
 798 int
 799 Editor::finish_bringing_in_audio (boost::shared_ptr<AudioRegion> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 800                                   ImportMode mode, boost::shared_ptr<AudioTrack>& existing_track)
 801 {
 802         switch (mode) {
 803         case ImportAsRegion:
 804                 /* relax, its been done */
 805                 break;
 806
 807         case ImportToTrack:
 808         {
 809                 if (!existing_track) {
 810
 811                         existing_track = get_nth_selected_audio_track (0);
 812
 813                         if (!existing_track) {
 814                                 return -1;
 815                         }
 816                 }
 817
 818                 boost::shared_ptr<Playlist> playlist = existing_track->diskstream()->playlist();
 819                 boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 820                 begin_reversible_command (_("insert sndfile"));
 821                 XMLNode &before = playlist->get_state();
 822                 playlist->add_region (copy, pos);
 823                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
 824                 commit_reversible_command ();
 825                 break;
 826         }
 827
 828         case ImportAsTrack:
 829         {
 830                 if (!existing_track) {
 831                         list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Normal, 1));
 832
 833                         if (at.empty()) {
 834                                 return -1;
 835                         }
 836
 837                         existing_track = at.front();
 838                         existing_track->set_name (region->name(), this);
 839                 }
 840
 841                 boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 842                 existing_track->diskstream()->playlist()->add_region (copy, pos);
 843                 break;
 844         }
 845
 846
 847         case ImportAsTapeTrack:
 848         {
 849                 list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Destructive));
 850                 if (!at.empty()) {
 851                         boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 852                         at.front()->set_name (basename_nosuffix (copy->name()), this);
 853                         at.front()->diskstream()->playlist()->add_region (copy, pos);
 854                 }
 855                 break;
 856         }
 857         }
 858
 859         return 0;
 860 }
 861
 862 void *
 863 Editor::_import_thread (void *arg)
 864 {
 865         PBD::ThreadCreated (pthread_self(), X_("Import"));
 866
 867         Editor *ed = (Editor *) arg;
 868         return ed->import_thread ();
 869 }
 870
 871 void *
 872 Editor::import_thread ()
 873 {
 874         session->import_audiofiles (import_status);
 875         pthread_exit_pbd (0);
 876         /*NOTREACHED*/
 877         return 0;
 878 }
 879
 880 gint
 881 Editor::import_progress_timeout (void *arg)
 882 {
 883         interthread_progress_label.set_text (import_status.doing_what);
 884
 885         if (import_status.freeze) {
 886                 interthread_cancel_button.set_sensitive(false);
 887         } else {
 888                 interthread_cancel_button.set_sensitive(true);
 889         }
 890
 891         if (import_status.doing_what == "building peak files") {
 892                 interthread_progress_bar.pulse ();
 893                 return FALSE;
 894         } else {
 895                 interthread_progress_bar.set_fraction (import_status.progress);
 896         }
 897
 898         return !(import_status.done || import_status.cancel);
 899 }
 900