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/midi_track.h>
  41 #include <ardour/midi_region.h>
  42 #include <ardour/utils.h>
  43 #include <ardour/audio_track.h>
  44 #include <ardour/audioplaylist.h>
  45 #include <ardour/audiofilesource.h>
  46 #include <ardour/region_factory.h>
  47 #include <ardour/source_factory.h>
  48 #include <ardour/session.h>
  49 #include <pbd/memento_command.h>
  50
  51 #include "ardour_ui.h"
  52 #include "editor.h"
  53 #include "sfdb_ui.h"
  54 #include "editing.h"
  55 #include "audio_time_axis.h"
  56 #include "midi_time_axis.h"
  57 #include "utils.h"
  58
  59 #include "i18n.h"
  60
  61 using namespace std;
  62 using namespace ARDOUR;
  63 using namespace PBD;
  64 using namespace sigc;
  65 using namespace Gtk;
  66 using namespace Gtkmm2ext;
  67 using namespace Editing;
  68 using Glib::ustring;
  69
  70 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  71
  72 void
  73 Editor::add_external_audio_action (ImportMode mode_hint)
  74 {
  75         if (session == 0) {
  76                 MessageDialog msg (0, _("You can't import or embed a file until you have a session loaded."));
  77                 msg.run ();
  78                 return;
  79         }
  80
  81         if (sfbrowser == 0) {
  82                 sfbrowser = new SoundFileOmega (*this, _("Add existing media"), session, 0, true, mode_hint);
  83         } else {
  84                 sfbrowser->set_mode (mode_hint);
  85         }
  86
  87         external_audio_dialog ();
  88 }
  89
  90 void
  91 Editor::external_audio_dialog ()
  92 {
  93         vector<Glib::ustring> paths;
  94         uint32_t track_cnt;
  95
  96         if (session == 0) {
  97                 MessageDialog msg (0, _("You can't import or embed a file until you have a session loaded."));
  98                 msg.run ();
  99                 return;
 100         }
 101
 102         track_cnt = 0;
 103
 104         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 105                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 106
 107                 if (!atv) {
 108                         continue;
 109                 } else if (atv->is_audio_track()) {
 110                         track_cnt++;
 111                 }
 112         }
 113
 114         if (sfbrowser == 0) {
 115                 sfbrowser = new SoundFileOmega (*this, _("Add existing media"), session, track_cnt, true);
 116         } else {
 117                 sfbrowser->reset (track_cnt);
 118         }
 119
 120         sfbrowser->show_all ();
 121
 122
 123         bool keepRunning;
 124
 125         do {
 126                 keepRunning = false;
 127
 128                 int response = sfbrowser->run ();
 129
 130                 switch (response) {
 131                         case RESPONSE_APPLY:
 132                                 // leave the dialog open
 133                                 break;
 134
 135                         case RESPONSE_OK:
 136                                 sfbrowser->hide ();
 137                                 break;
 138
 139                         default:
 140                                 // cancel from the browser - we are done
 141                                 sfbrowser->hide ();
 142                                 return;
 143                 }
 144
 145                 /* lets do it */
 146
 147                 paths = sfbrowser->get_paths ();
 148
 149                 ImportPosition pos = sfbrowser->get_position ();
 150                 ImportMode mode = sfbrowser->get_mode ();
 151                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 152                 nframes64_t where;
 153
 154                 switch (pos) {
 155                         case ImportAtEditPoint:
 156                                 where = get_preferred_edit_position ();
 157                                 break;
 158                         case ImportAtTimestamp:
 159                                 where = -1;
 160                                 break;
 161                         case ImportAtPlayhead:
 162                                 where = playhead_cursor->current_frame;
 163                                 break;
 164                         case ImportAtStart:
 165                                 where = session->current_start_frame();
 166                                 break;
 167                 }
 168
 169                 SrcQuality quality = sfbrowser->get_src_quality();
 170
 171
 172                 if (sfbrowser->copy_files_btn.get_active()) {
 173                         do_import (paths, chns, mode, quality, where);
 174                 } else {
 175                         do_embed (paths, chns, mode, where);
 176                 }
 177
 178                 if (response == RESPONSE_APPLY) {
 179                         sfbrowser->clear_selection ();
 180                         keepRunning = true;
 181                 }
 182
 183         } while (keepRunning);
 184 }
 185
 186 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 187
 188 /**
 189  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 190  *
 191  * all_or_nothing:
 192  *   true  = show "Update", "Import" and "Skip"
 193  *   false = show "Import", and "Cancel"
 194  *
 195  * Returns:
 196  *     0  To update an existing source of the same name
 197  *     1  To import/embed the file normally (make sure the new name will be unique)
 198  *     2  If the user wants to skip this file
 199  **/
 200 int
 201 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 202 {
 203         string wave_name (Glib::path_get_basename(path));
 204
 205         SourceMap all_sources = session->get_sources();
 206         bool wave_name_exists = false;
 207
 208         for (SourceMap::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
 209                 string tmp (Glib::path_get_basename (i->second->path()));
 210
 211                 if (tmp == wave_name) {
 212                         wave_name_exists = true;
 213                         break;
 214                 }
 215         }
 216
 217         int function = 1;
 218
 219
 220         if (wave_name_exists) {
 221                 string message;
 222                 if (all_or_nothing) {
 223                         // updating is still disabled
 224                         //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);
 225                         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);
 226                 } else {
 227                         message = _("Lorem ipsum. Do you want to skidaddle?");
 228
 229                 }
 230                 MessageDialog dialog(message, false,Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 231
 232                 if (all_or_nothing) {
 233                         // disabled
 234                         //dialog.add_button("Update", 0);
 235                         dialog.add_button("Import", 1);
 236                         dialog.add_button("Skip",   2);
 237                 } else {
 238                         dialog.add_button("Import", 1);
 239                         dialog.add_button("Cancel", 2);
 240                 }
 241
 242
 243                 //dialog.add_button("Skip all", 4); // All or rest?
 244
 245                 dialog.show();
 246
 247                 function = dialog.run ();
 248
 249                 dialog.hide();
 250         }
 251
 252         return function;
 253 }
 254
 255 boost::shared_ptr<AudioTrack>
 256 Editor::get_nth_selected_audio_track (int nth) const
 257 {
 258         AudioTimeAxisView* atv;
 259         TrackSelection::iterator x;
 260
 261         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 262
 263                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 264
 265                 if (!atv) {
 266                         continue;
 267                 } else if (atv->is_audio_track()) {
 268                         --nth;
 269                 }
 270         }
 271
 272         if (x == selection->tracks.end()) {
 273                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 274         } else {
 275                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 276         }
 277
 278         if (!atv || !atv->is_audio_track()) {
 279                 return boost::shared_ptr<AudioTrack>();
 280         }
 281
 282         return atv->audio_track();
 283 }
 284
 285 boost::shared_ptr<MidiTrack>
 286 Editor::get_nth_selected_midi_track (int nth) const
 287 {
 288         MidiTimeAxisView* mtv;
 289         TrackSelection::iterator x;
 290
 291         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 292
 293                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 294
 295                 if (!mtv) {
 296                         continue;
 297                 } else if (mtv->is_midi_track()) {
 298                         --nth;
 299                 }
 300         }
 301
 302         if (x == selection->tracks.end()) {
 303                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 304         } else {
 305                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 306         }
 307
 308         if (!mtv || !mtv->is_midi_track()) {
 309                 return boost::shared_ptr<MidiTrack>();
 310         }
 311
 312         return mtv->midi_track();
 313 }
 314
 315 void
 316 Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 317 {
 318         boost::shared_ptr<Track> track;
 319         vector<ustring> to_import;
 320         bool ok = true;
 321         int nth = 0;
 322
 323         if (interthread_progress_window == 0) {
 324                 build_interthread_progress_window ();
 325         }
 326
 327
 328         if (chns == Editing::ImportMergeFiles) {
 329                 /* create 1 region from all paths, add to 1 track,
 330                    ignore "track"
 331                 */
 332                 bool cancel = false;
 333                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end() && ok; ++a) {
 334                         int check = check_whether_and_how_to_import(*a, false);
 335                         if (check == 2) {
 336                                 cancel = true;
 337                                 break;
 338                         }
 339                 }
 340
 341                 if (!cancel) {
 342                         if (import_sndfiles (paths, mode, quality, pos, 1, 1, track, false)) {
 343                                 ok = false;
 344                         }
 345                 }
 346
 347         } else {
 348                 bool replace = false;
 349
 350                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end() && ok; ++a) {
 351
 352                         int check = check_whether_and_how_to_import(*a, true);
 353
 354                         if (check == 2 ) {
 355                                 // skip
 356                                 continue;
 357                         }
 358
 359                         if (check == 0) {
 360                                 fatal << "Updating existing sources should be disabled!" << endl;
 361                                 replace = true;
 362                         } else if (check == 1) {
 363                                 replace = false;
 364                         }
 365
 366
 367                         switch (chns) {
 368                                 case Editing::ImportDistinctFiles:
 369
 370                                         to_import.clear ();
 371                                         to_import.push_back (*a);
 372
 373                                         if (mode == Editing::ImportToTrack) {
 374                                                 track = get_nth_selected_audio_track (nth++);
 375                                         }
 376
 377                                         if (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace)) {
 378                                                 ok = false;
 379                                         }
 380
 381                                         break;
 382
 383                                 case Editing::ImportDistinctChannels:
 384
 385                                         to_import.clear ();
 386                                         to_import.push_back (*a);
 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::ImportSerializeFiles:
 395
 396                                         to_import.clear ();
 397                                         to_import.push_back (*a);
 398
 399                                         /* create 1 region from this path, add to 1 track,
 400                                            reuse "track" across paths
 401                                            */
 402
 403                                         if (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace)) {
 404                                                 ok = false;
 405                                         }
 406
 407                                         break;
 408
 409                                 case Editing::ImportMergeFiles:
 410                                         // Not entered
 411                                         break;
 412                         }
 413                 }
 414
 415                 if (ok) {
 416                         session->save_state ("");
 417                 }
 418
 419                 interthread_progress_window->hide_all ();
 420         }
 421 }
 422
 423 bool
 424 Editor::idle_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 425 {
 426         _do_embed (paths, chns, mode, pos);
 427         return false;
 428 }
 429
 430 void
 431 Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 432 {
 433 #ifdef GTKOSX
 434         Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_do_embed), paths, chns, mode, pos));
 435 #else
 436         _do_embed (paths, chns, mode, pos);
 437 #endif
 438 }
 439
 440 void
 441 Editor::_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 442 {
 443         boost::shared_ptr<Track> track;
 444         bool check_sample_rate = true;
 445         bool ok = false;
 446         vector<ustring> to_embed;
 447         bool multi = paths.size() > 1;
 448         int nth = 0;
 449
 450         switch (chns) {
 451         case Editing::ImportDistinctFiles:
 452                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 453
 454                         to_embed.clear ();
 455                         to_embed.push_back (*a);
 456
 457                         if (mode == Editing::ImportToTrack) {
 458                                 track = get_nth_selected_audio_track (nth++);
 459                         }
 460
 461                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 462                                 goto out;
 463                         }
 464                 }
 465                 break;
 466
 467         case Editing::ImportDistinctChannels:
 468                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 469
 470                         to_embed.clear ();
 471                         to_embed.push_back (*a);
 472
 473                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 474                                 goto out;
 475                         }
 476                 }
 477                 break;
 478
 479         case Editing::ImportMergeFiles:
 480                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 481                         goto out;
 482                 }
 483         break;
 484
 485         case Editing::ImportSerializeFiles:
 486                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 487
 488                         to_embed.clear ();
 489                         to_embed.push_back (*a);
 490
 491                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 492                                 goto out;
 493                         }
 494                 }
 495                 break;
 496         }
 497
 498         ok = true;
 499
 500   out:
 501         if (ok) {
 502                 session->save_state ("");
 503         }
 504 }
 505
 506 int
 507 Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos,
 508                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
 509 {
 510         WindowTitle title = string_compose (_("importing %1"), paths.front());
 511
 512         interthread_progress_window->set_title (title.get_string());
 513         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
 514         interthread_progress_window->show_all ();
 515         interthread_progress_bar.set_fraction (0.0f);
 516         interthread_cancel_label.set_text (_("Cancel Import"));
 517         current_interthread_info = &import_status;
 518
 519         import_status.paths = paths;
 520         import_status.done = false;
 521         import_status.cancel = false;
 522         import_status.freeze = false;
 523         import_status.done = 0.0;
 524         import_status.quality = quality;
 525         import_status.replace_existing_source = replace;
 526
 527         interthread_progress_connection = Glib::signal_timeout().connect
 528                 (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
 529
 530         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 531         ARDOUR_UI::instance()->flush_pending ();
 532
 533         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 534            and if successful will add the file(s) as a region to the session region list.
 535         */
 536
 537         pthread_create_and_store ("import", &import_status.thread, 0, _import_thread, this);
 538         pthread_detach (import_status.thread);
 539
 540         while (!(import_status.done || import_status.cancel)) {
 541                 gtk_main_iteration ();
 542         }
 543
 544         interthread_progress_window->hide ();
 545
 546         import_status.done = true;
 547         interthread_progress_connection.disconnect ();
 548
 549         /* import thread finished - see if we should build a new track */
 550
 551         boost::shared_ptr<AudioRegion> r;
 552
 553         if (import_status.cancel || import_status.sources.empty()) {
 554                 goto out;
 555         }
 556
 557         if (add_sources (paths, import_status.sources, pos, mode, target_regions, target_tracks, track, false) == 0) {
 558                 session->save_state ("");
 559         }
 560
 561   out:
 562         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
 563         return 0;
 564 }
 565
 566 int
 567 Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 568                         bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
 569                         boost::shared_ptr<Track>& track)
 570 {
 571         boost::shared_ptr<AudioFileSource> source;
 572         SourceList sources;
 573         string linked_path;
 574         SoundFileInfo finfo;
 575         int ret = 0;
 576
 577         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 578         ARDOUR_UI::instance()->flush_pending ();
 579
 580         for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 581
 582                 ustring path = *p;
 583
 584                 /* lets see if we can link it into the session */
 585
 586                 sys::path tmp = session->session_directory().sound_path() / Glib::path_get_basename(path);
 587                 linked_path = tmp.to_string();
 588
 589                 if (link (path.c_str(), linked_path.c_str()) == 0) {
 590
 591                         /* there are many reasons why link(2) might have failed.
 592                            but if it succeeds, we now have a link in the
 593                            session sound dir that will protect against
 594                            unlinking of the original path. nice.
 595                         */
 596
 597                         path = linked_path;
 598
 599                 } else {
 600
 601                         /* one possible reason is that its already linked */
 602
 603                         if (errno == EEXIST) {
 604                                 struct stat sb;
 605
 606                                 if (stat (linked_path.c_str(), &sb) == 0) {
 607                                         if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 608                                                 path = linked_path;
 609                                         }
 610                                 }
 611                         }
 612                 }
 613
 614                 /* note that we temporarily truncated _id at the colon */
 615
 616                 string error_msg;
 617
 618                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 619                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 620                         goto out;
 621                 }
 622
 623                 if (check_sample_rate  && (finfo.samplerate != (int) session->frame_rate())) {
 624                         vector<string> choices;
 625
 626                         if (multifile) {
 627                                 choices.push_back (_("Cancel entire import"));
 628                                 choices.push_back (_("Don't embed it"));
 629                                 choices.push_back (_("Embed all without questions"));
 630
 631                                 Gtkmm2ext::Choice rate_choice (
 632                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 633                                                         short_path (path, 40)),
 634                                         choices, false);
 635
 636                                 int resx = rate_choice.run ();
 637
 638                                 switch (resx) {
 639                                 case 0: /* stop a multi-file import */
 640                                         ret = -2;
 641                                         goto out;
 642                                 case 1: /* don't embed this one */
 643                                         ret = -1;
 644                                         goto out;
 645                                 case 2: /* do it, and the rest without asking */
 646                                         check_sample_rate = false;
 647                                         break;
 648                                 case 3: /* do it */
 649                                         break;
 650                                 default:
 651                                         ret = -2;
 652                                         goto out;
 653                                 }
 654                         } else {
 655                                 choices.push_back (_("Cancel"));
 656                                 choices.push_back (_("Embed it anyway"));
 657
 658                                 Gtkmm2ext::Choice rate_choice (
 659                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 660                                         choices, false);
 661
 662                                 int resx = rate_choice.run ();
 663
 664                                 switch (resx) {
 665                                 case 0: /* don't import */
 666                                         ret = -1;
 667                                         goto out;
 668                                 case 1: /* do it */
 669                                         break;
 670                                 default:
 671                                         ret = -2;
 672                                         goto out;
 673                                 }
 674                         }
 675                 }
 676
 677                 track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 678
 679                 for (int n = 0; n < finfo.channels; ++n) {
 680                         try {
 681
 682                                 /* check if we have this thing embedded already */
 683
 684                                 boost::shared_ptr<Source> s;
 685
 686                                 if ((s = session->source_by_path_and_channel (path, n)) == 0) {
 687                                         source = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createReadable
 688                                                                                                (DataType::AUDIO, *session, path,  n,
 689                                                                                                 (mode == ImportAsTapeTrack ?
 690                                                                                                  AudioFileSource::Destructive :
 691                                                                                                  AudioFileSource::Flag (0)),
 692                                                                                                 true, true));
 693                                 } else {
 694                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 695                                 }
 696
 697                                 sources.push_back(source);
 698                         }
 699
 700                         catch (failed_constructor& err) {
 701                                 error << string_compose(_("could not open %1"), path) << endmsg;
 702                                 goto out;
 703                         }
 704
 705                         ARDOUR_UI::instance()->flush_pending ();
 706                 }
 707         }
 708
 709         if (sources.empty()) {
 710                 goto out;
 711         }
 712
 713         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 714
 715   out:
 716         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
 717         return ret;
 718 }
 719
 720 int
 721 Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode,
 722                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool add_channel_suffix)
 723 {
 724         vector<boost::shared_ptr<Region> > regions;
 725         ustring region_name;
 726         uint32_t input_chan = 0;
 727         uint32_t output_chan = 0;
 728
 729         if (pos == -1) { // "use timestamp"
 730                 if (sources[0]->natural_position() != 0) {
 731                         pos = sources[0]->natural_position();
 732                 } else {
 733                         pos = get_preferred_edit_position ();
 734                 }
 735         }
 736
 737         cout << "TARGET REGIONS: " << target_regions << endl;
 738
 739         if (target_regions == 1) {
 740
 741                 /* take all the sources we have and package them up as a region */
 742
 743                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 744
 745                 regions.push_back (RegionFactory::create (sources, 0, sources[0]->length(), region_name, 0,
 746                                                            Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External)));
 747
 748         } else if (target_regions == -1) {
 749
 750                 /* take each source and create a region for each one */
 751
 752                 SourceList just_one;
 753                 SourceList::iterator x;
 754                 uint32_t n;
 755
 756                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 757
 758                         just_one.clear ();
 759                         just_one.push_back (*x);
 760
 761                         region_name = region_name_from_path ((*x)->path(), false, true, sources.size(), n);
 762
 763                         cout << "REGION NAME: " << region_name << endl;
 764                         cout << "SOURCE LENGTH: " << (*x)->length() << endl;
 765
 766                         regions.push_back (RegionFactory::create (just_one, 0, (*x)->length(), region_name, 0,
 767                                                                    Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External)));
 768
 769                 }
 770         }
 771
 772         if (target_regions == 1) {
 773                 input_chan = regions.front()->n_channels();
 774         } else {
 775                 if (target_tracks == 1) {
 776                         input_chan = regions.size();
 777                 } else {
 778                         input_chan = 1;
 779                 }
 780         }
 781
 782         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 783                 output_chan = (session->master_out() ? session->master_out()->n_inputs().n_audio() : input_chan);
 784         } else {
 785                 output_chan = input_chan;
 786         }
 787
 788         int n = 0;
 789
 790         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 791
 792                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 793
 794                 if (target_tracks != 1) {
 795                         track.reset ();
 796                 } else {
 797                         pos += (*r)->length();
 798                 }
 799         }
 800
 801         /* setup peak file building in another thread */
 802
 803         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 804                 SourceFactory::setup_peakfile (*x, true);
 805         }
 806
 807         return 0;
 808 }
 809
 810 int
 811 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 812                                   ImportMode mode, boost::shared_ptr<Track>& existing_track)
 813 {
 814         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 815         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 816
 817         switch (mode) {
 818         case ImportAsRegion:
 819                 /* relax, its been done */
 820                 break;
 821
 822         case ImportToTrack:
 823         {
 824                 if (!existing_track) {
 825
 826                         if (ar) {
 827                                 existing_track = get_nth_selected_audio_track (0);
 828                         } else if (mr) {
 829                                 existing_track = get_nth_selected_midi_track (0);
 830                         }
 831
 832                         if (!existing_track) {
 833                                 return -1;
 834                         }
 835                 }
 836
 837                 boost::shared_ptr<Playlist> playlist = existing_track->diskstream()->playlist();
 838                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 839                 begin_reversible_command (_("insert file"));
 840                 XMLNode &before = playlist->get_state();
 841                 playlist->add_region (copy, pos);
 842                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
 843                 commit_reversible_command ();
 844                 break;
 845         }
 846
 847         case ImportAsTrack:
 848         {
 849                 if (!existing_track) {
 850                         if (ar) {
 851                                 list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Normal, 1));
 852
 853                                 if (at.empty()) {
 854                                         return -1;
 855                                 }
 856
 857                                 existing_track = at.front();
 858                         } else if (mr) {
 859                                 list<boost::shared_ptr<MidiTrack> > mt (session->new_midi_track (Normal, 1));
 860
 861                                 if (mt.empty()) {
 862                                         return -1;
 863                                 }
 864
 865                                 existing_track = mt.front();
 866                         }
 867
 868                         existing_track->set_name (region->name());
 869                 }
 870
 871                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 872                 existing_track->diskstream()->playlist()->add_region (copy, pos);
 873                 break;
 874         }
 875
 876
 877         case ImportAsTapeTrack:
 878         {
 879                 if (!ar)
 880                         return -1;
 881
 882                 list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Destructive));
 883                 if (!at.empty()) {
 884                         boost::shared_ptr<Region> copy (RegionFactory::create (region));
 885                         at.front()->set_name (basename_nosuffix (copy->name()));
 886                         at.front()->diskstream()->playlist()->add_region (copy, pos);
 887                 }
 888                 break;
 889         }
 890         }
 891
 892         return 0;
 893 }
 894
 895 void *
 896 Editor::_import_thread (void *arg)
 897 {
 898         PBD::ThreadCreated (pthread_self(), X_("Import"));
 899
 900         Editor *ed = (Editor *) arg;
 901         return ed->import_thread ();
 902 }
 903
 904 void *
 905 Editor::import_thread ()
 906 {
 907         session->import_audiofiles (import_status);
 908         pthread_exit_pbd (0);
 909         /*NOTREACHED*/
 910         return 0;
 911 }
 912
 913 gint
 914 Editor::import_progress_timeout (void *arg)
 915 {
 916         interthread_progress_label.set_text (import_status.doing_what);
 917
 918         if (import_status.freeze) {
 919                 interthread_cancel_button.set_sensitive(false);
 920         } else {
 921                 interthread_cancel_button.set_sensitive(true);
 922         }
 923
 924         if (import_status.doing_what == "building peak files") {
 925                 interthread_progress_bar.pulse ();
 926                 return FALSE;
 927         } else {
 928                 interthread_progress_bar.set_fraction (import_status.progress);
 929         }
 930
 931         return !(import_status.done || import_status.cancel);
 932 }
 933