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
  33 #include <gtkmm2ext/choice.h>
  34 #include <gtkmm2ext/window_title.h>
  35
  36 #include <ardour/session.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<AudioSource> > AudioSourceList;
 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         AudioSourceList all_sources = session->get_audio_sources();
 203         bool wave_name_exists = false;
 204
 205         for (AudioSourceList::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 bool
 285 Editor::idle_do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 286 {
 287         _do_import (paths, chns, mode, quality, pos);
 288         return false;
 289 }
 290
 291 void
 292 Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 293 {
 294 #ifdef GTKOSX
 295         Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_do_import), paths, chns, mode, quality, pos));
 296 #else
 297         _do_import (paths, chns, mode, quality, pos);
 298 #endif
 299 }
 300
 301 void
 302 Editor::_do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 303 {
 304         boost::shared_ptr<AudioTrack> track;
 305         vector<ustring> to_import;
 306         bool ok = true;
 307         int nth = 0;
 308
 309         if (interthread_progress_window == 0) {
 310                 build_interthread_progress_window ();
 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_bar.set_fraction (0.0f);
 500         interthread_cancel_label.set_text (_("Cancel Import"));
 501         current_interthread_info = &import_status;
 502
 503         import_status.paths = paths;
 504         import_status.done = false;
 505         import_status.cancel = false;
 506         import_status.freeze = false;
 507         import_status.done = 0.0;
 508         import_status.quality = quality;
 509         import_status.replace_existing_source = replace;
 510
 511         interthread_progress_connection = Glib::signal_timeout().connect
 512                 (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 500);
 513
 514         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 515         ARDOUR_UI::instance()->flush_pending ();
 516
 517         /* start import thread for this spec. this will ultimately call Session::import_audiofile()
 518            and if successful will add the file(s) as a region to the session region list.
 519         */
 520
 521         pthread_create_and_store ("import", &import_status.thread, 0, _import_thread, this);
 522         pthread_detach (import_status.thread);
 523
 524         while (!(import_status.done || import_status.cancel)) {
 525                 gtk_main_iteration ();
 526         }
 527
 528         interthread_progress_window->hide ();
 529
 530         import_status.done = true;
 531         interthread_progress_connection.disconnect ();
 532
 533         /* import thread finished - see if we should build a new track */
 534
 535         boost::shared_ptr<AudioRegion> r;
 536
 537         if (import_status.cancel || import_status.sources.empty()) {
 538                 goto out;
 539         }
 540
 541         if (add_sources (paths, import_status.sources, pos, mode, target_regions, target_tracks, track, false) == 0) {
 542                 session->save_state ("");
 543         }
 544
 545   out:
 546         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 547         return 0;
 548 }
 549
 550 int
 551 Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 552                         bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
 553                         boost::shared_ptr<AudioTrack>& track)
 554 {
 555         boost::shared_ptr<AudioFileSource> source;
 556         SourceList sources;
 557         string linked_path;
 558         SoundFileInfo finfo;
 559         int ret = 0;
 560
 561         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 562         ARDOUR_UI::instance()->flush_pending ();
 563
 564         for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 565
 566                 ustring path = *p;
 567
 568                 /* lets see if we can link it into the session */
 569
 570                 linked_path = session->sound_dir();
 571                 linked_path += '/';
 572                 linked_path += Glib::path_get_basename (path);
 573
 574                 if (link (path.c_str(), linked_path.c_str()) == 0) {
 575
 576                         /* there are many reasons why link(2) might have failed.
 577                            but if it succeeds, we now have a link in the
 578                            session sound dir that will protect against
 579                            unlinking of the original path. nice.
 580                         */
 581
 582                         path = linked_path;
 583
 584                 } else {
 585
 586                         /* one possible reason is that its already linked */
 587
 588                         if (errno == EEXIST) {
 589                                 struct stat sb;
 590
 591                                 if (stat (linked_path.c_str(), &sb) == 0) {
 592                                         if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 593                                                 path = linked_path;
 594                                         }
 595                                 }
 596                         }
 597                 }
 598
 599                 /* note that we temporarily truncated _id at the colon */
 600
 601                 string error_msg;
 602
 603                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 604                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 605                         goto out;
 606                 }
 607
 608                 if (check_sample_rate  && (finfo.samplerate != (int) session->frame_rate())) {
 609                         vector<string> choices;
 610
 611                         if (multifile) {
 612                                 choices.push_back (_("Cancel entire import"));
 613                                 choices.push_back (_("Don't embed it"));
 614                                 choices.push_back (_("Embed all without questions"));
 615
 616                                 Gtkmm2ext::Choice rate_choice (
 617                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 618                                                         short_path (path, 40)),
 619                                         choices, false);
 620
 621                                 int resx = rate_choice.run ();
 622
 623                                 switch (resx) {
 624                                 case 0: /* stop a multi-file import */
 625                                         ret = -2;
 626                                         goto out;
 627                                 case 1: /* don't embed this one */
 628                                         ret = -1;
 629                                         goto out;
 630                                 case 2: /* do it, and the rest without asking */
 631                                         check_sample_rate = false;
 632                                         break;
 633                                 case 3: /* do it */
 634                                         break;
 635                                 default:
 636                                         ret = -2;
 637                                         goto out;
 638                                 }
 639                         } else {
 640                                 choices.push_back (_("Cancel"));
 641                                 choices.push_back (_("Embed it anyway"));
 642
 643                                 Gtkmm2ext::Choice rate_choice (
 644                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 645                                         choices, false);
 646
 647                                 int resx = rate_choice.run ();
 648
 649                                 switch (resx) {
 650                                 case 0: /* don't import */
 651                                         ret = -1;
 652                                         goto out;
 653                                 case 1: /* do it */
 654                                         break;
 655                                 default:
 656                                         ret = -2;
 657                                         goto out;
 658                                 }
 659                         }
 660                 }
 661
 662                 track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 663
 664                 for (int n = 0; n < finfo.channels; ++n) {
 665                         try {
 666
 667                                 /* check if we have this thing embedded already */
 668
 669                                 boost::shared_ptr<Source> s;
 670
 671                                 if ((s = session->source_by_path_and_channel (path, n)) == 0) {
 672
 673                                         cerr << "add embed/import source with defer_peaks = true\n";
 674
 675                                         source = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createReadable
 676                                                                                                (*session, path,  n,
 677                                                                                                 (mode == ImportAsTapeTrack ?
 678                                                                                                  AudioFileSource::Destructive :
 679                                                                                                  AudioFileSource::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<AudioTrack>& track, bool add_channel_suffix)
 711 {
 712         vector<boost::shared_ptr<AudioRegion> > regions;
 713         ustring region_name;
 714         uint32_t input_chan = 0;
 715         uint32_t output_chan = 0;
 716
 717         if (pos == -1) { // "use timestamp"
 718                 if (sources[0]->natural_position() != 0) {
 719                         pos = sources[0]->natural_position();
 720                 } else {
 721                         pos = get_preferred_edit_position ();
 722                 }
 723         }
 724
 725         if (target_regions == 1) {
 726
 727                 /* take all the sources we have and package them up as a region */
 728
 729                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 730
 731                 regions.push_back (boost::dynamic_pointer_cast<AudioRegion>
 732                                    (RegionFactory::create (sources, 0, sources[0]->length(), region_name, 0,
 733                                                            Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
 734
 735         } else if (target_regions == -1) {
 736
 737                 /* take each source and create a region for each one */
 738
 739                 SourceList just_one;
 740                 SourceList::iterator x;
 741                 uint32_t n;
 742
 743                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 744
 745                         just_one.clear ();
 746                         just_one.push_back (*x);
 747
 748                         boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (*x);
 749
 750                         region_name = region_name_from_path (afs->path(), false, true, sources.size(), n);
 751
 752                         regions.push_back (boost::dynamic_pointer_cast<AudioRegion>
 753                                            (RegionFactory::create (just_one, 0, (*x)->length(), region_name, 0,
 754                                                                    Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
 755
 756                 }
 757         }
 758
 759         if (target_regions == 1) {
 760                 input_chan = regions.front()->n_channels();
 761         } else {
 762                 if (target_tracks == 1) {
 763                         input_chan = regions.size();
 764                 } else {
 765                         input_chan = 1;
 766                 }
 767         }
 768
 769         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 770                 output_chan = (session->master_out() ? session->master_out()->n_inputs() : input_chan);
 771         } else {
 772                 output_chan = input_chan;
 773         }
 774
 775         int n = 0;
 776
 777         for (vector<boost::shared_ptr<AudioRegion> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 778
 779                 finish_bringing_in_audio (*r, input_chan, output_chan, pos, mode, track);
 780
 781                 if (target_tracks != 1) {
 782                         track.reset ();
 783                 } else {
 784                         pos += (*r)->length();
 785                 }
 786         }
 787
 788         /* setup peak file building in another thread */
 789
 790         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 791                 SourceFactory::setup_peakfile (*x, true);
 792         }
 793
 794         return 0;
 795 }
 796
 797 int
 798 Editor::finish_bringing_in_audio (boost::shared_ptr<AudioRegion> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 799                                   ImportMode mode, boost::shared_ptr<AudioTrack>& existing_track)
 800 {
 801         switch (mode) {
 802         case ImportAsRegion:
 803                 /* relax, its been done */
 804                 break;
 805
 806         case ImportToTrack:
 807         {
 808                 if (!existing_track) {
 809
 810                         existing_track = get_nth_selected_audio_track (0);
 811
 812                         if (!existing_track) {
 813                                 return -1;
 814                         }
 815                 }
 816
 817                 boost::shared_ptr<Playlist> playlist = existing_track->diskstream()->playlist();
 818                 boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 819                 begin_reversible_command (_("insert sndfile"));
 820                 XMLNode &before = playlist->get_state();
 821                 playlist->add_region (copy, pos);
 822                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
 823                 commit_reversible_command ();
 824                 break;
 825         }
 826
 827         case ImportAsTrack:
 828         {
 829                 if (!existing_track) {
 830                         list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Normal, 1));
 831
 832                         if (at.empty()) {
 833                                 return -1;
 834                         }
 835
 836                         existing_track = at.front();
 837                         existing_track->set_name (region->name(), this);
 838                 }
 839
 840                 boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 841                 existing_track->diskstream()->playlist()->add_region (copy, pos);
 842                 break;
 843         }
 844
 845
 846         case ImportAsTapeTrack:
 847         {
 848                 list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Destructive));
 849                 if (!at.empty()) {
 850                         boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 851                         at.front()->set_name (basename_nosuffix (copy->name()), this);
 852                         at.front()->diskstream()->playlist()->add_region (copy, pos);
 853                 }
 854                 break;
 855         }
 856         }
 857
 858         return 0;
 859 }
 860
 861 void *
 862 Editor::_import_thread (void *arg)
 863 {
 864         PBD::ThreadCreated (pthread_self(), X_("Import"));
 865
 866         Editor *ed = (Editor *) arg;
 867         return ed->import_thread ();
 868 }
 869
 870 void *
 871 Editor::import_thread ()
 872 {
 873         session->import_audiofiles (import_status);
 874         pthread_exit_pbd (0);
 875         /*NOTREACHED*/
 876         return 0;
 877 }
 878
 879 gint
 880 Editor::import_progress_timeout (void *arg)
 881 {
 882         bool reset = false;
 883
 884         if (!interthread_progress_window->is_visible()) {
 885                 interthread_progress_window->show_all ();
 886                 reset = true;
 887         }
 888
 889         interthread_progress_label.set_text (import_status.doing_what);
 890
 891         if (import_status.freeze) {
 892                 interthread_cancel_button.set_sensitive(false);
 893         } else {
 894                 interthread_cancel_button.set_sensitive(true);
 895         }
 896
 897         if (import_status.doing_what == "building peak files") {
 898                 interthread_progress_bar.pulse ();
 899                 return FALSE;
 900         } else {
 901                 float val = import_status.progress;
 902                 interthread_progress_bar.set_fraction (min (max (0.0f, val), 1.0f));
 903         }
 904
 905         if (reset) {
 906
 907                 /* the window is now visible, speed up the updates */
 908
 909                 interthread_progress_connection.disconnect ();
 910                 interthread_progress_connection = Glib::signal_timeout().connect
 911                         (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
 912                 return false;
 913         } else {
 914                 return !(import_status.done || import_status.cancel);
 915         }
 916 }
 917