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 Gtk;
  67 using namespace Gtkmm2ext;
  68 using namespace Editing;
  69 using Glib::ustring;
  70
  71 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  72
  73 void
  74 Editor::add_external_audio_action (ImportMode mode_hint)
  75 {
  76         if (_session == 0) {
  77                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  78                 msg.run ();
  79                 return;
  80         }
  81
  82         if (sfbrowser == 0) {
  83                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, 0, true, mode_hint);
  84         } else {
  85                 sfbrowser->set_mode (mode_hint);
  86         }
  87
  88         external_audio_dialog ();
  89 }
  90
  91 void
  92 Editor::external_audio_dialog ()
  93 {
  94         vector<Glib::ustring> paths;
  95         uint32_t track_cnt;
  96
  97         if (_session == 0) {
  98                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  99                 msg.run ();
 100                 return;
 101         }
 102
 103         track_cnt = 0;
 104
 105         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 106                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 107
 108                 if (!atv) {
 109                         continue;
 110                 } else if (atv->is_audio_track()) {
 111                         track_cnt++;
 112                 }
 113         }
 114
 115         if (sfbrowser == 0) {
 116                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, track_cnt, true);
 117         } else {
 118                 sfbrowser->reset (track_cnt);
 119         }
 120
 121         sfbrowser->show_all ();
 122
 123
 124         bool keepRunning;
 125
 126         do {
 127                 keepRunning = false;
 128
 129                 int response = sfbrowser->run ();
 130
 131                 switch (response) {
 132                         case RESPONSE_APPLY:
 133                                 // leave the dialog open
 134                                 break;
 135
 136                         case RESPONSE_OK:
 137                                 sfbrowser->hide ();
 138                                 break;
 139
 140                         default:
 141                                 // cancel from the browser - we are done
 142                                 sfbrowser->hide ();
 143                                 return;
 144                 }
 145
 146                 /* lets do it */
 147
 148                 paths = sfbrowser->get_paths ();
 149
 150                 ImportPosition pos = sfbrowser->get_position ();
 151                 ImportMode mode = sfbrowser->get_mode ();
 152                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 153                 nframes64_t where;
 154
 155                 switch (pos) {
 156                         case ImportAtEditPoint:
 157                                 where = get_preferred_edit_position ();
 158                                 break;
 159                         case ImportAtTimestamp:
 160                                 where = -1;
 161                                 break;
 162                         case ImportAtPlayhead:
 163                                 where = playhead_cursor->current_frame;
 164                                 break;
 165                         case ImportAtStart:
 166                                 where = _session->current_start_frame();
 167                                 break;
 168                 }
 169
 170                 SrcQuality quality = sfbrowser->get_src_quality();
 171
 172
 173                 if (sfbrowser->copy_files_btn.get_active()) {
 174                         do_import (paths, chns, mode, quality, where);
 175                 } else {
 176                         do_embed (paths, chns, mode, where);
 177                 }
 178
 179                 if (response == RESPONSE_APPLY) {
 180                         sfbrowser->clear_selection ();
 181                         keepRunning = true;
 182                 }
 183
 184         } while (keepRunning);
 185 }
 186
 187 void
 188 Editor::session_import_dialog ()
 189 {
 190         SessionImportDialog dialog (_session);
 191         ensure_float (dialog);
 192         dialog.run ();
 193 }
 194
 195 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 196
 197 /**
 198  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 199  *
 200  * all_or_nothing:
 201  *   true  = show "Update", "Import" and "Skip"
 202  *   false = show "Import", and "Cancel"
 203  *
 204  * Returns:
 205  *     0  To update an existing source of the same name
 206  *     1  To import/embed the file normally (make sure the new name will be unique)
 207  *     2  If the user wants to skip this file
 208  **/
 209 int
 210 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 211 {
 212         string wave_name (Glib::path_get_basename(path));
 213
 214         SourceMap all_sources = _session->get_sources();
 215         bool wave_name_exists = false;
 216
 217         for (SourceMap::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
 218                 string tmp (Glib::path_get_basename (i->second->path()));
 219                 if (tmp == wave_name) {
 220                         wave_name_exists = true;
 221                         break;
 222                 }
 223         }
 224
 225         int function = 1;
 226
 227         if (wave_name_exists) {
 228                 string message;
 229                 if (all_or_nothing) {
 230                         // updating is still disabled
 231                         //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);
 232                         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);
 233                 } else {
 234                         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);
 235
 236                 }
 237                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 238
 239                 if (all_or_nothing) {
 240                         // disabled
 241                         //dialog.add_button("Update", 0);
 242                         dialog.add_button("Import", 1);
 243                         dialog.add_button("Skip",   2);
 244                 } else {
 245                         dialog.add_button("Import", 1);
 246                         dialog.add_button("Cancel", 2);
 247                 }
 248
 249                 //dialog.add_button("Skip all", 4); // All or rest?
 250
 251                 dialog.show();
 252
 253                 function = dialog.run ();
 254
 255                 dialog.hide();
 256         }
 257
 258         return function;
 259 }
 260
 261 boost::shared_ptr<AudioTrack>
 262 Editor::get_nth_selected_audio_track (int nth) const
 263 {
 264         AudioTimeAxisView* atv;
 265         TrackSelection::iterator x;
 266
 267         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 268
 269                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 270
 271                 if (!atv) {
 272                         continue;
 273                 } else if (atv->is_audio_track()) {
 274                         --nth;
 275                 }
 276         }
 277
 278         if (x == selection->tracks.end()) {
 279                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 280         } else {
 281                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 282         }
 283
 284         if (!atv || !atv->is_audio_track()) {
 285                 return boost::shared_ptr<AudioTrack>();
 286         }
 287
 288         return atv->audio_track();
 289 }
 290
 291 boost::shared_ptr<MidiTrack>
 292 Editor::get_nth_selected_midi_track (int nth) const
 293 {
 294         MidiTimeAxisView* mtv;
 295         TrackSelection::iterator x;
 296
 297         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 298
 299                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 300
 301                 if (!mtv) {
 302                         continue;
 303                 } else if (mtv->is_midi_track()) {
 304                         --nth;
 305                 }
 306         }
 307
 308         if (x == selection->tracks.end()) {
 309                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 310         } else {
 311                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 312         }
 313
 314         if (!mtv || !mtv->is_midi_track()) {
 315                 return boost::shared_ptr<MidiTrack>();
 316         }
 317
 318         return mtv->midi_track();
 319 }
 320
 321 void
 322 Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 323 {
 324         boost::shared_ptr<Track> track;
 325         vector<ustring> to_import;
 326         int nth = 0;
 327
 328         if (interthread_progress_window == 0) {
 329                 build_interthread_progress_window ();
 330         }
 331
 332         if (chns == Editing::ImportMergeFiles) {
 333
 334                 /* create 1 region from all paths, add to 1 track,
 335                    ignore "track"
 336                 */
 337
 338                 bool cancel = false;
 339                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 340                         int check = check_whether_and_how_to_import(*a, false);
 341                         if (check == 2) {
 342                                 cancel = true;
 343                                 break;
 344                         }
 345                 }
 346
 347                 if (!cancel) {
 348                         import_sndfiles (paths, mode, quality, pos, 1, 1, track, false, paths.size());
 349                 }
 350
 351         } else {
 352
 353                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 354
 355                         int const check = check_whether_and_how_to_import (*a, true);
 356
 357                         if (check != 2) {
 358                                 to_import.push_back (*a);
 359                         }
 360                 }
 361
 362                 bool ok = true;
 363
 364                 switch (chns) {
 365                 case Editing::ImportDistinctFiles:
 366
 367                         if (mode == Editing::ImportToTrack) {
 368                                 track = get_nth_selected_audio_track (nth++);
 369                         }
 370
 371                         ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, false, to_import.size()) == 0);
 372                         break;
 373
 374                 case Editing::ImportDistinctChannels:
 375                         ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, false, to_import.size()) == 0);
 376                         break;
 377
 378                 case Editing::ImportSerializeFiles:
 379                         ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, false, to_import.size()) == 0);
 380                         break;
 381
 382                 case Editing::ImportMergeFiles:
 383                         // Not entered, handled in earlier if() branch
 384                         break;
 385                 }
 386         }
 387
 388         interthread_progress_window->hide_all ();
 389 }
 390
 391 void
 392 Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 393 {
 394         boost::shared_ptr<Track> track;
 395         bool check_sample_rate = true;
 396         bool ok = false;
 397         vector<ustring> to_embed;
 398         bool multi = paths.size() > 1;
 399         int nth = 0;
 400
 401         switch (chns) {
 402         case Editing::ImportDistinctFiles:
 403                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 404
 405                         to_embed.clear ();
 406                         to_embed.push_back (*a);
 407
 408                         if (mode == Editing::ImportToTrack) {
 409                                 track = get_nth_selected_audio_track (nth++);
 410                         }
 411
 412                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 413                                 goto out;
 414                         }
 415                 }
 416                 break;
 417
 418         case Editing::ImportDistinctChannels:
 419                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 420
 421                         to_embed.clear ();
 422                         to_embed.push_back (*a);
 423
 424                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 425                                 goto out;
 426                         }
 427                 }
 428                 break;
 429
 430         case Editing::ImportMergeFiles:
 431                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 432                         goto out;
 433                 }
 434         break;
 435
 436         case Editing::ImportSerializeFiles:
 437                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 438
 439                         to_embed.clear ();
 440                         to_embed.push_back (*a);
 441
 442                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 443                                 goto out;
 444                         }
 445                 }
 446                 break;
 447         }
 448
 449         ok = true;
 450
 451   out:
 452         if (ok) {
 453                 _session->save_state ("");
 454         }
 455 }
 456
 457 int
 458 Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos,
 459                          int target_regions, int target_tracks, boost::shared_ptr<Track> track, bool replace, uint32_t total)
 460 {
 461         interthread_progress_window->set_title (string_compose (_("Importing %1"), paths.front()));
 462         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
 463         interthread_progress_bar.set_fraction (0.0f);
 464         interthread_cancel_label.set_text (_("Cancel Import"));
 465         current_interthread_info = &import_status;
 466
 467         import_status.paths = paths;
 468         import_status.done = false;
 469         import_status.cancel = false;
 470         import_status.freeze = false;
 471         import_status.done = 0.0;
 472         import_status.quality = quality;
 473         import_status.replace_existing_source = replace;
 474         import_status.total = total;
 475
 476         import_status.mode = mode;
 477         import_status.pos = pos;
 478         import_status.target_tracks = target_tracks;
 479         import_status.target_regions = target_regions;
 480         import_status.track = track;
 481         import_status.replace = replace;
 482         interthread_progress_connection = Glib::signal_timeout().connect
 483                 (sigc::bind (sigc::mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 500);
 484
 485         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 486         gdk_flush ();
 487
 488         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 489            which, if successful, will add the files as regions to the region list. its up to us
 490            (the GUI) to direct additional steps after that.
 491         */
 492
 493         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 494         pthread_detach (import_status.thread);
 495
 496         while (!import_status.done && !import_status.cancel) {
 497                 gtk_main_iteration ();
 498         }
 499
 500         interthread_progress_window->hide ();
 501         import_status.done = true;
 502         interthread_progress_connection.disconnect ();
 503
 504         if (!import_status.cancel && !import_status.sources.empty()) {
 505                 if (add_sources (import_status.paths,
 506                                  import_status.sources,
 507                                  import_status.pos,
 508                                  import_status.mode,
 509                                  import_status.target_regions,
 510                                  import_status.target_tracks,
 511                                  import_status.track, false) == 0) {
 512                         _session->save_state ("");
 513                 }
 514
 515                 /* update position from results */
 516
 517                 pos = import_status.pos;
 518         }
 519
 520
 521         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 522         return 0;
 523 }
 524
 525 int
 526 Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 527                         bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
 528                         boost::shared_ptr<Track>& track)
 529 {
 530         boost::shared_ptr<AudioFileSource> source;
 531         SourceList sources;
 532         string linked_path;
 533         SoundFileInfo finfo;
 534         int ret = 0;
 535         Glib::ustring path_to_use;
 536
 537         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 538         gdk_flush ();
 539
 540         for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 541
 542                 ustring path = *p;
 543
 544                 if (Config->get_try_link_for_embed()) {
 545
 546                         /* lets see if we can link it into the session */
 547
 548                         sys::path tmp = _session->session_directory().sound_path() / Glib::path_get_basename(path);
 549                         linked_path = tmp.to_string();
 550
 551                         path_to_use = linked_path;
 552
 553                         if (link (path.c_str(), linked_path.c_str()) == 0) {
 554
 555                                 /* there are many reasons why link(2) might have failed.
 556                                    but if it succeeds, we now have a link in the
 557                                    session sound dir that will protect against
 558                                    unlinking of the original path. nice.
 559                                 */
 560
 561                                 path = linked_path;
 562                                 path_to_use = Glib::path_get_basename (path);
 563
 564                         } else {
 565
 566                                 /* one possible reason is that its already linked */
 567
 568                                 if (errno == EEXIST) {
 569                                         struct stat sb;
 570
 571                                         if (stat (linked_path.c_str(), &sb) == 0) {
 572                                                 if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 573                                                         path = linked_path;
 574                                                         path_to_use = Glib::path_get_basename (path);
 575                                                 }
 576                                         }
 577                                 }
 578                         }
 579                 }
 580
 581                 /* note that we temporarily truncated _id at the colon */
 582
 583                 string error_msg;
 584
 585                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 586                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 587                         goto out;
 588                 }
 589
 590                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 591                         vector<string> choices;
 592
 593                         if (multifile) {
 594                                 choices.push_back (_("Cancel entire import"));
 595                                 choices.push_back (_("Don't embed it"));
 596                                 choices.push_back (_("Embed all without questions"));
 597
 598                                 Gtkmm2ext::Choice rate_choice (
 599                                         _("Sample rate"),
 600                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 601                                                         short_path (path, 40)),
 602                                         choices, false
 603                                         );
 604
 605                                 int resx = rate_choice.run ();
 606
 607                                 switch (resx) {
 608                                 case 0: /* stop a multi-file import */
 609                                         ret = -2;
 610                                         goto out;
 611                                 case 1: /* don't embed this one */
 612                                         ret = -1;
 613                                         goto out;
 614                                 case 2: /* do it, and the rest without asking */
 615                                         check_sample_rate = false;
 616                                         break;
 617                                 case 3: /* do it */
 618                                         break;
 619                                 default:
 620                                         ret = -2;
 621                                         goto out;
 622                                 }
 623                         } else {
 624                                 choices.push_back (_("Cancel"));
 625                                 choices.push_back (_("Embed it anyway"));
 626
 627                                 Gtkmm2ext::Choice rate_choice (
 628                                         _("Sample rate"),
 629                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 630                                         choices, false
 631                                         );
 632
 633                                 int resx = rate_choice.run ();
 634
 635                                 switch (resx) {
 636                                 case 0: /* don't import */
 637                                         ret = -1;
 638                                         goto out;
 639                                 case 1: /* do it */
 640                                         break;
 641                                 default:
 642                                         ret = -2;
 643                                         goto out;
 644                                 }
 645                         }
 646                 }
 647
 648                 track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 649
 650                 for (int n = 0; n < finfo.channels; ++n) {
 651                         try {
 652
 653                                 /* check if we have this thing embedded already */
 654
 655                                 boost::shared_ptr<Source> s;
 656
 657                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 658
 659                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 660                                                 SourceFactory::createReadable (DataType::AUDIO, *_session,
 661                                                                                path_to_use, n,
 662                                                                                (mode == ImportAsTapeTrack
 663                                                                                 ? Source::Destructive
 664                                                                                 : Source::Flag (0)),
 665                                                                         true, true));
 666                                 } else {
 667                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 668                                 }
 669
 670                                 sources.push_back(source);
 671                         }
 672
 673                         catch (failed_constructor& err) {
 674                                 error << string_compose(_("could not open %1"), path) << endmsg;
 675                                 goto out;
 676                         }
 677
 678                         ARDOUR_UI::instance()->flush_pending ();
 679                 }
 680         }
 681
 682         if (sources.empty()) {
 683                 goto out;
 684         }
 685
 686         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 687
 688   out:
 689         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 690         return ret;
 691 }
 692
 693 int
 694 Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode,
 695                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 696 {
 697         vector<boost::shared_ptr<Region> > regions;
 698         ustring region_name;
 699         uint32_t input_chan = 0;
 700         uint32_t output_chan = 0;
 701         bool use_timestamp;
 702
 703         use_timestamp = (pos == -1);
 704
 705         if (use_timestamp) {
 706                 if (sources[0]->natural_position() != 0) {
 707                         pos = sources[0]->natural_position();
 708                 } else {
 709                         pos = get_preferred_edit_position ();
 710                 }
 711         }
 712
 713         // kludge (for MIDI we're abusing "channel" for "track" here)
 714         if (paths.front().rfind(".mid") != Glib::ustring::npos)
 715                 target_regions = -1;
 716
 717         if (target_regions == 1) {
 718
 719                 /* take all the sources we have and package them up as a region */
 720
 721                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 722
 723                 boost::shared_ptr<Region> r = RegionFactory::create (sources, 0, sources[0]->length(pos), region_name, 0,
 724                                                                      Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External));
 725
 726                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 727                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 728                 }
 729
 730                 regions.push_back (r);
 731
 732
 733         } else if (target_regions == -1 || target_regions > 1) {
 734
 735                 /* take each source and create a region for each one */
 736
 737                 SourceList just_one;
 738                 SourceList::iterator x;
 739                 uint32_t n;
 740
 741                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 742
 743                         just_one.clear ();
 744                         just_one.push_back (*x);
 745
 746                         region_name = region_name_from_path ((*x)->path(), false, false, sources.size(), n);
 747
 748                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, 0, (*x)->length(pos), region_name, 0,
 749                                                                              Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External));
 750
 751                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 752                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 753                         }
 754
 755                         regions.push_back (r);
 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().n_audio() : input_chan);
 771         } else {
 772                 output_chan = input_chan;
 773         }
 774
 775         int n = 0;
 776
 777         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 778
 779                 finish_bringing_in_material (*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_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 799                                   ImportMode mode, boost::shared_ptr<Track>& existing_track)
 800 {
 801         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 802         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 803
 804         switch (mode) {
 805         case ImportAsRegion:
 806                 /* relax, its been done */
 807                 break;
 808
 809         case ImportToTrack:
 810         {
 811                 if (!existing_track) {
 812
 813                         if (ar) {
 814                                 existing_track = get_nth_selected_audio_track (0);
 815                         } else if (mr) {
 816                                 existing_track = get_nth_selected_midi_track (0);
 817                         }
 818
 819                         if (!existing_track) {
 820                                 return -1;
 821                         }
 822                 }
 823
 824                 boost::shared_ptr<Playlist> playlist = existing_track->diskstream()->playlist();
 825                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 826                 begin_reversible_command (_("insert file"));
 827                 XMLNode &before = playlist->get_state();
 828                 playlist->add_region (copy, pos);
 829                 _session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
 830                 commit_reversible_command ();
 831                 break;
 832         }
 833
 834         case ImportAsTrack:
 835         {
 836                 if (!existing_track) {
 837                         if (ar) {
 838                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 839
 840                                 if (at.empty()) {
 841                                         return -1;
 842                                 }
 843
 844                                 existing_track = at.front();
 845                         } else if (mr) {
 846                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (Normal, 0, 1));
 847
 848                                 if (mt.empty()) {
 849                                         return -1;
 850                                 }
 851
 852                                 existing_track = mt.front();
 853                         }
 854
 855                         existing_track->set_name (region->name());
 856                 }
 857
 858                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 859                 existing_track->diskstream()->playlist()->add_region (copy, pos);
 860                 break;
 861         }
 862
 863
 864         case ImportAsTapeTrack:
 865         {
 866                 if (!ar)
 867                         return -1;
 868
 869                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 870                 if (!at.empty()) {
 871                         boost::shared_ptr<Region> copy (RegionFactory::create (region));
 872                         at.front()->set_name (basename_nosuffix (copy->name()));
 873                         at.front()->diskstream()->playlist()->add_region (copy, pos);
 874                 }
 875                 break;
 876         }
 877         }
 878
 879         return 0;
 880 }
 881
 882 void *
 883 Editor::_import_thread (void *arg)
 884 {
 885         SessionEvent::create_per_thread_pool ("import events", 64);
 886
 887         Editor *ed = (Editor *) arg;
 888         return ed->import_thread ();
 889 }
 890
 891 void *
 892 Editor::import_thread ()
 893 {
 894         _session->import_audiofiles (import_status);
 895         pthread_exit_pbd (0);
 896         /*NOTREACHED*/
 897         return 0;
 898 }
 899
 900 gint
 901 Editor::import_progress_timeout (void */*arg*/)
 902 {
 903         bool reset = false;
 904
 905         if (!interthread_progress_window->is_visible()) {
 906                 interthread_progress_window->show_all ();
 907                 reset = true;
 908         }
 909
 910         interthread_progress_label.set_text (import_status.doing_what);
 911
 912         if (import_status.freeze) {
 913                 interthread_cancel_button.set_sensitive(false);
 914         } else {
 915                 interthread_cancel_button.set_sensitive(true);
 916         }
 917
 918         if (import_status.doing_what == "building peak files") {
 919                 interthread_progress_bar.pulse ();
 920                 return FALSE;
 921         } else {
 922                 float val = import_status.progress;
 923                 interthread_progress_bar.set_fraction (min (max (0.0f, val), 1.0f));
 924         }
 925
 926         if (reset) {
 927
 928                 /* the window is now visible, speed up the updates */
 929
 930                 interthread_progress_connection.disconnect ();
 931                 interthread_progress_connection = Glib::signal_timeout().connect
 932                         (sigc::bind (sigc::mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
 933                 return false;
 934         } else {
 935                 return !(import_status.done || import_status.cancel);
 936         }
 937 }
 938