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
  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 "session_import_dialog.h"
  58 #include "utils.h"
  59 #include "gui_thread.h"
  60
  61 #include "i18n.h"
  62
  63 using namespace std;
  64 using namespace ARDOUR;
  65 using namespace PBD;
  66 using namespace sigc;
  67 using namespace Gtk;
  68 using namespace Gtkmm2ext;
  69 using namespace Editing;
  70 using Glib::ustring;
  71
  72 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  73
  74 void
  75 Editor::add_external_audio_action (ImportMode mode_hint)
  76 {
  77         if (session == 0) {
  78                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  79                 msg.run ();
  80                 return;
  81         }
  82
  83         if (sfbrowser == 0) {
  84                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), session, 0, true, mode_hint);
  85         } else {
  86                 sfbrowser->set_mode (mode_hint);
  87         }
  88
  89         external_audio_dialog ();
  90 }
  91
  92 void
  93 Editor::external_audio_dialog ()
  94 {
  95         vector<Glib::ustring> paths;
  96         uint32_t track_cnt;
  97
  98         if (session == 0) {
  99                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
 100                 msg.run ();
 101                 return;
 102         }
 103
 104         track_cnt = 0;
 105
 106         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 107                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 108
 109                 if (!atv) {
 110                         continue;
 111                 } else if (atv->is_audio_track()) {
 112                         track_cnt++;
 113                 }
 114         }
 115
 116         if (sfbrowser == 0) {
 117                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), session, track_cnt, true);
 118         } else {
 119                 sfbrowser->reset (track_cnt);
 120         }
 121
 122         sfbrowser->show_all ();
 123
 124
 125         bool keepRunning;
 126
 127         do {
 128                 keepRunning = false;
 129
 130                 int response = sfbrowser->run ();
 131
 132                 switch (response) {
 133                         case RESPONSE_APPLY:
 134                                 // leave the dialog open
 135                                 break;
 136
 137                         case RESPONSE_OK:
 138                                 sfbrowser->hide ();
 139                                 break;
 140
 141                         default:
 142                                 // cancel from the browser - we are done
 143                                 sfbrowser->hide ();
 144                                 return;
 145                 }
 146
 147                 /* lets do it */
 148
 149                 paths = sfbrowser->get_paths ();
 150
 151                 ImportPosition pos = sfbrowser->get_position ();
 152                 ImportMode mode = sfbrowser->get_mode ();
 153                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 154                 nframes64_t where;
 155
 156                 switch (pos) {
 157                         case ImportAtEditPoint:
 158                                 where = get_preferred_edit_position ();
 159                                 break;
 160                         case ImportAtTimestamp:
 161                                 where = -1;
 162                                 break;
 163                         case ImportAtPlayhead:
 164                                 where = playhead_cursor->current_frame;
 165                                 break;
 166                         case ImportAtStart:
 167                                 where = session->current_start_frame();
 168                                 break;
 169                 }
 170
 171                 SrcQuality quality = sfbrowser->get_src_quality();
 172
 173
 174                 if (sfbrowser->copy_files_btn.get_active()) {
 175                         do_import (paths, chns, mode, quality, where);
 176                 } else {
 177                         do_embed (paths, chns, mode, where);
 178                 }
 179
 180                 if (response == RESPONSE_APPLY) {
 181                         sfbrowser->clear_selection ();
 182                         keepRunning = true;
 183                 }
 184
 185         } while (keepRunning);
 186 }
 187
 188 void
 189 Editor::session_import_dialog ()
 190 {
 191         SessionImportDialog dialog (*session);
 192         ensure_float (dialog);
 193         dialog.run ();
 194 }
 195
 196 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 197
 198 /**
 199  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 200  *
 201  * all_or_nothing:
 202  *   true  = show "Update", "Import" and "Skip"
 203  *   false = show "Import", and "Cancel"
 204  *
 205  * Returns:
 206  *     0  To update an existing source of the same name
 207  *     1  To import/embed the file normally (make sure the new name will be unique)
 208  *     2  If the user wants to skip this file
 209  **/
 210 int
 211 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 212 {
 213         string wave_name (Glib::path_get_basename(path));
 214
 215         SourceMap all_sources = session->get_sources();
 216         bool wave_name_exists = false;
 217
 218         for (SourceMap::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
 219                 string tmp (Glib::path_get_basename (i->second->path()));
 220                 if (tmp == wave_name) {
 221                         wave_name_exists = true;
 222                         break;
 223                 }
 224         }
 225
 226         int function = 1;
 227
 228         if (wave_name_exists) {
 229                 string message;
 230                 if (all_or_nothing) {
 231                         // updating is still disabled
 232                         //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);
 233                         message = string_compose (_("The session already contains a source file named %1.  Do you want to import %1 as a new file, or skip it?"), wave_name);
 234                 } else {
 235                         message = string_compose (_("The session already contains a source file named %1.  Do you want to import %2 as a new source, or skip it?"), wave_name, wave_name);
 236
 237                 }
 238                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 239
 240                 if (all_or_nothing) {
 241                         // disabled
 242                         //dialog.add_button("Update", 0);
 243                         dialog.add_button("Import", 1);
 244                         dialog.add_button("Skip",   2);
 245                 } else {
 246                         dialog.add_button("Import", 1);
 247                         dialog.add_button("Cancel", 2);
 248                 }
 249
 250                 //dialog.add_button("Skip all", 4); // All or rest?
 251
 252                 dialog.show();
 253
 254                 function = dialog.run ();
 255
 256                 dialog.hide();
 257         }
 258
 259         return function;
 260 }
 261
 262 boost::shared_ptr<AudioTrack>
 263 Editor::get_nth_selected_audio_track (int nth) const
 264 {
 265         AudioTimeAxisView* atv;
 266         TrackSelection::iterator x;
 267
 268         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 269
 270                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 271
 272                 if (!atv) {
 273                         continue;
 274                 } else if (atv->is_audio_track()) {
 275                         --nth;
 276                 }
 277         }
 278
 279         if (x == selection->tracks.end()) {
 280                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 281         } else {
 282                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 283         }
 284
 285         if (!atv || !atv->is_audio_track()) {
 286                 return boost::shared_ptr<AudioTrack>();
 287         }
 288
 289         return atv->audio_track();
 290 }
 291
 292 boost::shared_ptr<MidiTrack>
 293 Editor::get_nth_selected_midi_track (int nth) const
 294 {
 295         MidiTimeAxisView* mtv;
 296         TrackSelection::iterator x;
 297
 298         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 299
 300                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 301
 302                 if (!mtv) {
 303                         continue;
 304                 } else if (mtv->is_midi_track()) {
 305                         --nth;
 306                 }
 307         }
 308
 309         if (x == selection->tracks.end()) {
 310                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 311         } else {
 312                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 313         }
 314
 315         if (!mtv || !mtv->is_midi_track()) {
 316                 return boost::shared_ptr<MidiTrack>();
 317         }
 318
 319         return mtv->midi_track();
 320 }
 321
 322 void
 323 Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 324 {
 325         boost::shared_ptr<Track> track;
 326         vector<ustring> to_import;
 327         int nth = 0;
 328
 329         if (interthread_progress_window == 0) {
 330                 build_interthread_progress_window ();
 331         }
 332
 333         if (chns == Editing::ImportMergeFiles) {
 334
 335                 /* create 1 region from all paths, add to 1 track,
 336                    ignore "track"
 337                 */
 338
 339                 bool cancel = false;
 340                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 341                         int check = check_whether_and_how_to_import(*a, false);
 342                         if (check == 2) {
 343                                 cancel = true;
 344                                 break;
 345                         }
 346                 }
 347
 348                 if (!cancel) {
 349                         import_sndfiles (paths, mode, quality, pos, 1, 1, track, false, paths.size());
 350                 }
 351
 352         } else {
 353
 354                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 355
 356                         int const check = check_whether_and_how_to_import (*a, true);
 357
 358                         if (check != 2) {
 359                                 to_import.push_back (*a);
 360                         }
 361                 }
 362
 363                 bool ok = true;
 364
 365                 switch (chns) {
 366                 case Editing::ImportDistinctFiles:
 367
 368                         if (mode == Editing::ImportToTrack) {
 369                                 track = get_nth_selected_audio_track (nth++);
 370                         }
 371
 372                         ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, false, to_import.size()) == 0);
 373                         break;
 374
 375                 case Editing::ImportDistinctChannels:
 376                         ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, false, to_import.size()) == 0);
 377                         break;
 378
 379                 case Editing::ImportSerializeFiles:
 380                         ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, false, to_import.size()) == 0);
 381                         break;
 382
 383                 case Editing::ImportMergeFiles:
 384                         // Not entered, handled in earlier if() branch
 385                         break;
 386                 }
 387         }
 388
 389         interthread_progress_window->hide_all ();
 390 }
 391
 392 void
 393 Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 394 {
 395         boost::shared_ptr<Track> track;
 396         bool check_sample_rate = true;
 397         bool ok = false;
 398         vector<ustring> to_embed;
 399         bool multi = paths.size() > 1;
 400         int nth = 0;
 401
 402         switch (chns) {
 403         case Editing::ImportDistinctFiles:
 404                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 405
 406                         to_embed.clear ();
 407                         to_embed.push_back (*a);
 408
 409                         if (mode == Editing::ImportToTrack) {
 410                                 track = get_nth_selected_audio_track (nth++);
 411                         }
 412
 413                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 414                                 goto out;
 415                         }
 416                 }
 417                 break;
 418
 419         case Editing::ImportDistinctChannels:
 420                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 421
 422                         to_embed.clear ();
 423                         to_embed.push_back (*a);
 424
 425                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 426                                 goto out;
 427                         }
 428                 }
 429                 break;
 430
 431         case Editing::ImportMergeFiles:
 432                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 433                         goto out;
 434                 }
 435         break;
 436
 437         case Editing::ImportSerializeFiles:
 438                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 439
 440                         to_embed.clear ();
 441                         to_embed.push_back (*a);
 442
 443                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 444                                 goto out;
 445                         }
 446                 }
 447                 break;
 448         }
 449
 450         ok = true;
 451
 452   out:
 453         if (ok) {
 454                 session->save_state ("");
 455         }
 456 }
 457
 458 int
 459 Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos,
 460                          int target_regions, int target_tracks, boost::shared_ptr<Track> track, bool replace, uint32_t total)
 461 {
 462         interthread_progress_window->set_title (string_compose (_("Importing %1"), paths.front()));
 463         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
 464         interthread_progress_bar.set_fraction (0.0f);
 465         interthread_cancel_label.set_text (_("Cancel Import"));
 466         current_interthread_info = &import_status;
 467
 468         import_status.paths = paths;
 469         import_status.done = false;
 470         import_status.cancel = false;
 471         import_status.freeze = false;
 472         import_status.done = 0.0;
 473         import_status.quality = quality;
 474         import_status.replace_existing_source = replace;
 475         import_status.total = total;
 476
 477         import_status.mode = mode;
 478         import_status.pos = pos;
 479         import_status.target_tracks = target_tracks;
 480         import_status.target_regions = target_regions;
 481         import_status.track = track;
 482         import_status.replace = replace;
 483         interthread_progress_connection = Glib::signal_timeout().connect
 484                 (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 500);
 485
 486         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 487         gdk_flush ();
 488
 489         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 490            which, if successful, will add the files as regions to the region list. its up to us
 491            (the GUI) to direct additional steps after that.
 492         */
 493
 494         pthread_create_and_store ("import", &import_status.thread, 0, _import_thread, this);
 495         pthread_detach (import_status.thread);
 496
 497         while (!import_status.done && !import_status.cancel) {
 498                 gtk_main_iteration ();
 499         }
 500
 501         interthread_progress_window->hide ();
 502         import_status.done = true;
 503         interthread_progress_connection.disconnect ();
 504
 505         if (!import_status.cancel && !import_status.sources.empty()) {
 506                 if (add_sources (import_status.paths,
 507                                  import_status.sources,
 508                                  import_status.pos,
 509                                  import_status.mode,
 510                                  import_status.target_regions,
 511                                  import_status.target_tracks,
 512                                  import_status.track, false) == 0) {
 513                         session->save_state ("");
 514                 }
 515
 516                 /* update position from results */
 517
 518                 pos = import_status.pos;
 519         }
 520
 521
 522         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 523         return 0;
 524 }
 525
 526 int
 527 Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 528                         bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
 529                         boost::shared_ptr<Track>& track)
 530 {
 531         boost::shared_ptr<AudioFileSource> source;
 532         SourceList sources;
 533         string linked_path;
 534         SoundFileInfo finfo;
 535         int ret = 0;
 536         Glib::ustring path_to_use;
 537
 538         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 539         gdk_flush ();
 540
 541         for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 542
 543                 ustring path = *p;
 544
 545                 /* lets see if we can link it into the session */
 546
 547                 sys::path tmp = session->session_directory().sound_path() / Glib::path_get_basename(path);
 548                 linked_path = tmp.to_string();
 549
 550                 path_to_use = linked_path;
 551
 552                 if (link (path.c_str(), linked_path.c_str()) == 0) {
 553
 554                         /* there are many reasons why link(2) might have failed.
 555                            but if it succeeds, we now have a link in the
 556                            session sound dir that will protect against
 557                            unlinking of the original path. nice.
 558                         */
 559
 560                         path = linked_path;
 561                         path_to_use = Glib::path_get_basename (path);
 562
 563                 } else {
 564
 565                         /* one possible reason is that its already linked */
 566
 567                         if (errno == EEXIST) {
 568                                 struct stat sb;
 569
 570                                 if (stat (linked_path.c_str(), &sb) == 0) {
 571                                         if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 572                                                 path = linked_path;
 573                                                 path_to_use = Glib::path_get_basename (path);
 574                                         }
 575                                 }
 576                         }
 577                 }
 578
 579                 /* note that we temporarily truncated _id at the colon */
 580
 581                 string error_msg;
 582
 583                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 584                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 585                         goto out;
 586                 }
 587
 588                 if (check_sample_rate  && (finfo.samplerate != (int) session->frame_rate())) {
 589                         vector<string> choices;
 590
 591                         if (multifile) {
 592                                 choices.push_back (_("Cancel entire import"));
 593                                 choices.push_back (_("Don't embed it"));
 594                                 choices.push_back (_("Embed all without questions"));
 595
 596                                 Gtkmm2ext::Choice rate_choice (
 597                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 598                                                         short_path (path, 40)),
 599                                         choices, false);
 600
 601                                 int resx = rate_choice.run ();
 602
 603                                 switch (resx) {
 604                                 case 0: /* stop a multi-file import */
 605                                         ret = -2;
 606                                         goto out;
 607                                 case 1: /* don't embed this one */
 608                                         ret = -1;
 609                                         goto out;
 610                                 case 2: /* do it, and the rest without asking */
 611                                         check_sample_rate = false;
 612                                         break;
 613                                 case 3: /* do it */
 614                                         break;
 615                                 default:
 616                                         ret = -2;
 617                                         goto out;
 618                                 }
 619                         } else {
 620                                 choices.push_back (_("Cancel"));
 621                                 choices.push_back (_("Embed it anyway"));
 622
 623                                 Gtkmm2ext::Choice rate_choice (
 624                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 625                                         choices, false);
 626
 627                                 int resx = rate_choice.run ();
 628
 629                                 switch (resx) {
 630                                 case 0: /* don't import */
 631                                         ret = -1;
 632                                         goto out;
 633                                 case 1: /* do it */
 634                                         break;
 635                                 default:
 636                                         ret = -2;
 637                                         goto out;
 638                                 }
 639                         }
 640                 }
 641
 642                 track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 643
 644                 for (int n = 0; n < finfo.channels; ++n) {
 645                         try {
 646
 647                                 /* check if we have this thing embedded already */
 648
 649                                 boost::shared_ptr<Source> s;
 650
 651                                 if ((s = session->source_by_path_and_channel (path, n)) == 0) {
 652
 653                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 654                                                         SourceFactory::createReadable (DataType::AUDIO, *session,
 655                                                                         path_to_use, false, n,
 656                                                                         (mode == ImportAsTapeTrack
 657                                                                                 ? Source::Destructive
 658                                                                                 : Source::Flag (0)),
 659                                                                         true, true));
 660                                 } else {
 661                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 662                                 }
 663
 664                                 sources.push_back(source);
 665                         }
 666
 667                         catch (failed_constructor& err) {
 668                                 error << string_compose(_("could not open %1"), path) << endmsg;
 669                                 goto out;
 670                         }
 671
 672                         ARDOUR_UI::instance()->flush_pending ();
 673                 }
 674         }
 675
 676         if (sources.empty()) {
 677                 goto out;
 678         }
 679
 680         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 681
 682   out:
 683         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 684         return ret;
 685 }
 686
 687 int
 688 Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode,
 689                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 690 {
 691         vector<boost::shared_ptr<Region> > regions;
 692         ustring region_name;
 693         uint32_t input_chan = 0;
 694         uint32_t output_chan = 0;
 695         bool use_timestamp;
 696
 697         use_timestamp = (pos == -1);
 698
 699         if (use_timestamp) {
 700                 if (sources[0]->natural_position() != 0) {
 701                         pos = sources[0]->natural_position();
 702                 } else {
 703                         pos = get_preferred_edit_position ();
 704                 }
 705         }
 706
 707         // kludge (for MIDI we're abusing "channel" for "track" here)
 708         if (paths.front().rfind(".mid") != Glib::ustring::npos)
 709                 target_regions = -1;
 710
 711         if (target_regions == 1) {
 712
 713                 /* take all the sources we have and package them up as a region */
 714
 715                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 716
 717                 boost::shared_ptr<Region> r = RegionFactory::create (sources, 0, sources[0]->length(pos), region_name, 0,
 718                                                                      Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External));
 719
 720                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 721                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 722                 }
 723
 724                 regions.push_back (r);
 725
 726
 727         } else if (target_regions == -1 || target_regions > 1) {
 728
 729                 /* take each source and create a region for each one */
 730
 731                 SourceList just_one;
 732                 SourceList::iterator x;
 733                 uint32_t n;
 734
 735                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 736
 737                         just_one.clear ();
 738                         just_one.push_back (*x);
 739
 740                         region_name = region_name_from_path ((*x)->path(), false, false, sources.size(), n);
 741
 742                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, 0, (*x)->length(pos), region_name, 0,
 743                                                                              Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External));
 744
 745                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 746                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 747                         }
 748
 749                         regions.push_back (r);
 750                 }
 751         }
 752
 753         if (target_regions == 1) {
 754                 input_chan = regions.front()->n_channels();
 755         } else {
 756                 if (target_tracks == 1) {
 757                         input_chan = regions.size();
 758                 } else {
 759                         input_chan = 1;
 760                 }
 761         }
 762
 763         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 764                 output_chan = (session->master_out() ? session->master_out()->n_inputs().n_audio() : input_chan);
 765         } else {
 766                 output_chan = input_chan;
 767         }
 768
 769         int n = 0;
 770
 771         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 772
 773                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 774
 775                 if (target_tracks != 1) {
 776                         track.reset ();
 777                 } else {
 778                         pos += (*r)->length();
 779                 }
 780         }
 781
 782         /* setup peak file building in another thread */
 783
 784         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 785                 SourceFactory::setup_peakfile (*x, true);
 786         }
 787
 788         return 0;
 789 }
 790
 791 int
 792 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 793                                   ImportMode mode, boost::shared_ptr<Track>& existing_track)
 794 {
 795         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 796         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 797
 798         switch (mode) {
 799         case ImportAsRegion:
 800                 /* relax, its been done */
 801                 break;
 802
 803         case ImportToTrack:
 804         {
 805                 if (!existing_track) {
 806
 807                         if (ar) {
 808                                 existing_track = get_nth_selected_audio_track (0);
 809                         } else if (mr) {
 810                                 existing_track = get_nth_selected_midi_track (0);
 811                         }
 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<Region> copy (RegionFactory::create (region));
 820                 begin_reversible_command (_("insert file"));
 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                         if (ar) {
 832                                 list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 833
 834                                 if (at.empty()) {
 835                                         return -1;
 836                                 }
 837
 838                                 existing_track = at.front();
 839                         } else if (mr) {
 840                                 list<boost::shared_ptr<MidiTrack> > mt (session->new_midi_track (Normal, 0, 1));
 841
 842                                 if (mt.empty()) {
 843                                         return -1;
 844                                 }
 845
 846                                 existing_track = mt.front();
 847                         }
 848
 849                         existing_track->set_name (region->name());
 850                 }
 851
 852                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 853                 existing_track->diskstream()->playlist()->add_region (copy, pos);
 854                 break;
 855         }
 856
 857
 858         case ImportAsTapeTrack:
 859         {
 860                 if (!ar)
 861                         return -1;
 862
 863                 list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Destructive));
 864                 if (!at.empty()) {
 865                         boost::shared_ptr<Region> copy (RegionFactory::create (region));
 866                         at.front()->set_name (basename_nosuffix (copy->name()));
 867                         at.front()->diskstream()->playlist()->add_region (copy, pos);
 868                 }
 869                 break;
 870         }
 871         }
 872
 873         return 0;
 874 }
 875
 876 void *
 877 Editor::_import_thread (void *arg)
 878 {
 879         PBD::notify_gui_about_thread_creation (pthread_self(), X_("Import"));
 880
 881         Editor *ed = (Editor *) arg;
 882         return ed->import_thread ();
 883 }
 884
 885 void *
 886 Editor::import_thread ()
 887 {
 888         session->import_audiofiles (import_status);
 889         pthread_exit_pbd (0);
 890         /*NOTREACHED*/
 891         return 0;
 892 }
 893
 894 gint
 895 Editor::import_progress_timeout (void */*arg*/)
 896 {
 897         bool reset = false;
 898
 899         if (!interthread_progress_window->is_visible()) {
 900                 interthread_progress_window->show_all ();
 901                 reset = true;
 902         }
 903
 904         interthread_progress_label.set_text (import_status.doing_what);
 905
 906         if (import_status.freeze) {
 907                 interthread_cancel_button.set_sensitive(false);
 908         } else {
 909                 interthread_cancel_button.set_sensitive(true);
 910         }
 911
 912         if (import_status.doing_what == "building peak files") {
 913                 interthread_progress_bar.pulse ();
 914                 return FALSE;
 915         } else {
 916                 float val = import_status.progress;
 917                 interthread_progress_bar.set_fraction (min (max (0.0f, val), 1.0f));
 918         }
 919
 920         if (reset) {
 921
 922                 /* the window is now visible, speed up the updates */
 923
 924                 interthread_progress_connection.disconnect ();
 925                 interthread_progress_connection = Glib::signal_timeout().connect
 926                         (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
 927                 return false;
 928         } else {
 929                 return !(import_status.done || import_status.cancel);
 930         }
 931 }
 932