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 #include "pbd/stateful_diff_command.h"
  33
  34 #include <gtkmm2ext/choice.h>
  35
  36 #include "ardour/audio_track.h"
  37 #include "ardour/audiofilesource.h"
  38 #include "ardour/audioregion.h"
  39 #include "ardour/midi_region.h"
  40 #include "ardour/midi_track.h"
  41 #include "ardour/operations.h"
  42 #include "ardour/region_factory.h"
  43 #include "ardour/smf_source.h"
  44 #include "ardour/source_factory.h"
  45 #include "ardour/utils.h"
  46 #include "pbd/memento_command.h"
  47
  48 #include "ardour_ui.h"
  49 #include "editor.h"
  50 #include "sfdb_ui.h"
  51 #include "editing.h"
  52 #include "audio_time_axis.h"
  53 #include "midi_time_axis.h"
  54 #include "session_import_dialog.h"
  55 #include "utils.h"
  56 #include "gui_thread.h"
  57 #include "interthread_progress_window.h"
  58 #include "mouse_cursors.h"
  59 #include "editor_cursors.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 std::string;
  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 (_("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<string> paths;
  95         uint32_t audio_track_cnt;
  96         uint32_t midi_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         audio_track_cnt = 0;
 105         midi_track_cnt = 0;
 106
 107         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 108                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 109
 110                 if (atv) {
 111                         if (atv->is_audio_track()) {
 112                                 audio_track_cnt++;
 113                         }
 114
 115                 } else {
 116                         MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 117
 118                         if (mtv) {
 119                                 if (mtv->is_midi_track()) {
 120                                         midi_track_cnt++;
 121                                 }
 122                         }
 123                 }
 124         }
 125
 126         if (sfbrowser == 0) {
 127                 sfbrowser = new SoundFileOmega (_("Add Existing Media"), _session, audio_track_cnt, midi_track_cnt, true);
 128         } else {
 129                 sfbrowser->reset (audio_track_cnt, midi_track_cnt);
 130         }
 131
 132         sfbrowser->show_all ();
 133 }
 134
 135 void
 136 Editor::session_import_dialog ()
 137 {
 138         SessionImportDialog dialog (_session);
 139         ensure_float (dialog);
 140         dialog.run ();
 141 }
 142
 143 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 144
 145 /**
 146  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_files()
 147  *
 148  * all_or_nothing:
 149  *   true  = show "Update", "Import" and "Skip"
 150  *   false = show "Import", and "Cancel"
 151  *
 152  * Returns:
 153  *     0  To update an existing source of the same name
 154  *     1  To import/embed the file normally (make sure the new name will be unique)
 155  *     2  If the user wants to skip this file
 156  **/
 157 int
 158 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 159 {
 160         string wave_name (Glib::path_get_basename(path));
 161
 162         SourceMap all_sources = _session->get_sources();
 163         bool already_exists = false;
 164         uint32_t existing;
 165
 166         if ((existing = _session->count_sources_by_origin (path)) > 0) {
 167                 already_exists = true;
 168         }
 169
 170         int function = 1;
 171
 172         if (already_exists) {
 173                 string message;
 174                 if (all_or_nothing) {
 175                         // updating is still disabled
 176                         //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);
 177                         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);
 178                 } else {
 179                         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);
 180
 181                 }
 182                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 183
 184                 if (all_or_nothing) {
 185                         // disabled
 186                         //dialog.add_button("Update", 0);
 187                         dialog.add_button("Import", 1);
 188                         dialog.add_button("Skip",   2);
 189                 } else {
 190                         dialog.add_button("Import", 1);
 191                         dialog.add_button("Cancel", 2);
 192                 }
 193
 194                 //dialog.add_button("Skip all", 4); // All or rest?
 195
 196                 dialog.show();
 197
 198                 function = dialog.run ();
 199
 200                 dialog.hide();
 201         }
 202
 203         return function;
 204 }
 205
 206 boost::shared_ptr<AudioTrack>
 207 Editor::get_nth_selected_audio_track (int nth) const
 208 {
 209         AudioTimeAxisView* atv;
 210         TrackSelection::iterator x;
 211
 212         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 213
 214                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 215
 216                 if (!atv) {
 217                         continue;
 218                 } else if (atv->is_audio_track()) {
 219                         --nth;
 220                 }
 221         }
 222
 223         if (x == selection->tracks.end()) {
 224                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 225         } else {
 226                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 227         }
 228
 229         if (!atv || !atv->is_audio_track()) {
 230                 return boost::shared_ptr<AudioTrack>();
 231         }
 232
 233         return atv->audio_track();
 234 }
 235
 236 boost::shared_ptr<MidiTrack>
 237 Editor::get_nth_selected_midi_track (int nth) const
 238 {
 239         MidiTimeAxisView* mtv;
 240         TrackSelection::iterator x;
 241
 242         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 243
 244                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 245
 246                 if (!mtv) {
 247                         continue;
 248                 } else if (mtv->is_midi_track()) {
 249                         --nth;
 250                 }
 251         }
 252
 253         if (x == selection->tracks.end()) {
 254                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 255         } else {
 256                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 257         }
 258
 259         if (!mtv || !mtv->is_midi_track()) {
 260                 return boost::shared_ptr<MidiTrack>();
 261         }
 262
 263         return mtv->midi_track();
 264 }
 265
 266 void
 267 Editor::do_import (vector<string> paths, ImportDisposition disposition, ImportMode mode, SrcQuality quality, framepos_t& pos)
 268 {
 269         boost::shared_ptr<Track> track;
 270         vector<string> to_import;
 271         int nth = 0;
 272         bool use_timestamp = (pos == -1);
 273
 274         current_interthread_info = &import_status;
 275         import_status.current = 1;
 276         import_status.total = paths.size ();
 277         import_status.all_done = false;
 278
 279         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 280
 281         bool ok = true;
 282
 283         if (disposition == Editing::ImportMergeFiles) {
 284
 285                 /* create 1 region from all paths, add to 1 track,
 286                    ignore "track"
 287                 */
 288
 289                 bool cancel = false;
 290                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 291                         int check = check_whether_and_how_to_import(*a, false);
 292                         if (check == 2) {
 293                                 cancel = true;
 294                                 break;
 295                         }
 296                 }
 297
 298                 if (cancel) {
 299                         ok = false;
 300                 } else {
 301                         ipw.show ();
 302                         ok = (import_sndfiles (paths, disposition, mode, quality, pos, 1, 1, track, false) == 0);
 303                 }
 304
 305         } else {
 306
 307                 bool replace = false;
 308
 309                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 310
 311                         const int check = check_whether_and_how_to_import (*a, true);
 312
 313                         switch (check) {
 314                         case 2:
 315                                 // user said skip
 316                                 continue;
 317                         case 0:
 318                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 319                                 /* NOTREACHED*/
 320                                 break;
 321                         case 1:
 322                                 replace = false;
 323                                 break;
 324                         default:
 325                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 326                                 /* NOTREACHED*/
 327                         }
 328
 329                         /* have to reset this for every file we handle */
 330
 331                         if (use_timestamp) {
 332                                 pos = -1;
 333                         }
 334
 335                         ipw.show ();
 336
 337                         switch (disposition) {
 338                         case Editing::ImportDistinctFiles:
 339
 340                                 to_import.clear ();
 341                                 to_import.push_back (*a);
 342
 343                                 if (mode == Editing::ImportToTrack) {
 344                                         track = get_nth_selected_audio_track (nth++);
 345                                 }
 346
 347                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, -1, track, replace) == 0);
 348                                 break;
 349
 350                         case Editing::ImportDistinctChannels:
 351
 352                                 to_import.clear ();
 353                                 to_import.push_back (*a);
 354
 355                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, -1, -1, track, replace) == 0);
 356                                 break;
 357
 358                         case Editing::ImportSerializeFiles:
 359
 360                                 to_import.clear ();
 361                                 to_import.push_back (*a);
 362
 363                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, 1, track, replace) == 0);
 364                                 break;
 365
 366                         case Editing::ImportMergeFiles:
 367                                 // Not entered, handled in earlier if() branch
 368                                 break;
 369                         }
 370                 }
 371         }
 372
 373         if (ok) {
 374                 _session->save_state ("");
 375         }
 376
 377         import_status.all_done = true;
 378 }
 379
 380 void
 381 Editor::do_embed (vector<string> paths, ImportDisposition import_as, ImportMode mode, framepos_t& pos)
 382 {
 383         boost::shared_ptr<Track> track;
 384         bool check_sample_rate = true;
 385         bool ok = false;
 386         vector<string> to_embed;
 387         bool multi = paths.size() > 1;
 388         int nth = 0;
 389         bool use_timestamp = (pos == -1);
 390
 391         switch (import_as) {
 392         case Editing::ImportDistinctFiles:
 393                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 394
 395                         /* have to reset this for every file we handle */
 396                         if (use_timestamp) {
 397                                 pos = -1;
 398                         }
 399
 400                         to_embed.clear ();
 401                         to_embed.push_back (*a);
 402
 403                         if (mode == Editing::ImportToTrack) {
 404                                 track = get_nth_selected_audio_track (nth++);
 405                         }
 406
 407                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, -1, track) < -1) {
 408                                 goto out;
 409                         }
 410                 }
 411                 break;
 412
 413         case Editing::ImportDistinctChannels:
 414                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 415
 416                         /* have to reset this for every file we handle */
 417                         if (use_timestamp) {
 418                                 pos = -1;
 419                         }
 420
 421                         to_embed.clear ();
 422                         to_embed.push_back (*a);
 423
 424                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, 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, import_as, mode, pos, 1, 1, track) < -1) {
 432                         goto out;
 433                 }
 434                 break;
 435
 436         case Editing::ImportSerializeFiles:
 437                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 438
 439                         /* have to reset this for every file we handle */
 440                         if (use_timestamp) {
 441                                 pos = -1;
 442                         }
 443
 444                         to_embed.clear ();
 445                         to_embed.push_back (*a);
 446
 447                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, 1, track) < -1) {
 448                                 goto out;
 449                         }
 450                 }
 451                 break;
 452         }
 453
 454         ok = true;
 455
 456   out:
 457         if (ok) {
 458                 _session->save_state ("");
 459         }
 460 }
 461
 462 int
 463 Editor::import_sndfiles (vector<string> paths, ImportDisposition disposition, ImportMode mode, SrcQuality quality, framepos_t& pos,
 464                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
 465 {
 466         import_status.paths = paths;
 467         import_status.done = false;
 468         import_status.cancel = false;
 469         import_status.freeze = false;
 470         import_status.quality = quality;
 471         import_status.replace_existing_source = replace;
 472
 473         import_status.mode = mode;
 474         import_status.pos = pos;
 475         import_status.target_tracks = target_tracks;
 476         import_status.target_regions = target_regions;
 477         import_status.track = track;
 478         import_status.replace = replace;
 479
 480         set_canvas_cursor (_cursors->wait);
 481         gdk_flush ();
 482
 483         /* start import thread for this spec. this will ultimately call Session::import_files()
 484            which, if successful, will add the files as regions to the region list. its up to us
 485            (the GUI) to direct additional steps after that.
 486         */
 487
 488         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 489         pthread_detach (import_status.thread);
 490
 491         while (!import_status.done && !import_status.cancel) {
 492                 gtk_main_iteration ();
 493         }
 494
 495         import_status.done = true;
 496
 497         int result = -1;
 498
 499         if (!import_status.cancel && !import_status.sources.empty()) {
 500                 result = add_sources (
 501                         import_status.paths,
 502                         import_status.sources,
 503                         import_status.pos,
 504                         disposition,
 505                         import_status.mode,
 506                         import_status.target_regions,
 507                         import_status.target_tracks,
 508                         track, false
 509                         );
 510
 511                 /* update position from results */
 512
 513                 pos = import_status.pos;
 514         }
 515
 516         set_canvas_cursor (current_canvas_cursor);
 517         return result;
 518 }
 519
 520 int
 521 Editor::embed_sndfiles (vector<string> paths, bool multifile,
 522                         bool& check_sample_rate, ImportDisposition disposition, ImportMode mode,
 523                         framepos_t& pos, int target_regions, int target_tracks,
 524                         boost::shared_ptr<Track>& track)
 525 {
 526         boost::shared_ptr<AudioFileSource> source;
 527         SourceList sources;
 528         string linked_path;
 529         SoundFileInfo finfo;
 530         int ret = 0;
 531
 532         set_canvas_cursor (_cursors->wait);
 533         gdk_flush ();
 534
 535         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 536
 537                 string path = *p;
 538                 string error_msg;
 539
 540                 /* note that we temporarily truncated _id at the colon */
 541
 542                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 543                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 544                         goto out;
 545                 }
 546
 547                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 548                         vector<string> choices;
 549
 550                         if (multifile) {
 551                                 choices.push_back (_("Cancel entire import"));
 552                                 choices.push_back (_("Don't embed it"));
 553                                 choices.push_back (_("Embed all without questions"));
 554
 555                                 Gtkmm2ext::Choice rate_choice (
 556                                         _("Sample rate"),
 557                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 558                                                         short_path (path, 40)),
 559                                         choices, false
 560                                         );
 561
 562                                 int resx = rate_choice.run ();
 563
 564                                 switch (resx) {
 565                                 case 0: /* stop a multi-file import */
 566                                         ret = -2;
 567                                         goto out;
 568                                 case 1: /* don't embed this one */
 569                                         ret = -1;
 570                                         goto out;
 571                                 case 2: /* do it, and the rest without asking */
 572                                         check_sample_rate = false;
 573                                         break;
 574                                 case 3: /* do it */
 575                                         break;
 576                                 default:
 577                                         ret = -2;
 578                                         goto out;
 579                                 }
 580                         } else {
 581                                 choices.push_back (_("Cancel"));
 582                                 choices.push_back (_("Embed it anyway"));
 583
 584                                 Gtkmm2ext::Choice rate_choice (
 585                                         _("Sample rate"),
 586                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 587                                         choices, false
 588                                         );
 589
 590                                 int resx = rate_choice.run ();
 591
 592                                 switch (resx) {
 593                                 case 0: /* don't import */
 594                                         ret = -1;
 595                                         goto out;
 596                                 case 1: /* do it */
 597                                         break;
 598                                 default:
 599                                         ret = -2;
 600                                         goto out;
 601                                 }
 602                         }
 603                 }
 604
 605                 set_canvas_cursor (_cursors->wait);
 606
 607                 for (int n = 0; n < finfo.channels; ++n) {
 608
 609                         try {
 610
 611                                 /* check if we have this thing embedded already */
 612
 613                                 boost::shared_ptr<Source> s;
 614
 615                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 616
 617                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 618                                                 SourceFactory::createExternal (DataType::AUDIO, *_session,
 619                                                                                path, n,
 620                                                                                (mode == ImportAsTapeTrack
 621                                                                                 ? Source::Destructive
 622                                                                                 : Source::Flag (0)),
 623                                                                         true, true));
 624                                 } else {
 625                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 626                                 }
 627
 628                                 sources.push_back(source);
 629                         }
 630
 631                         catch (failed_constructor& err) {
 632                                 error << string_compose(_("could not open %1"), path) << endmsg;
 633                                 goto out;
 634                         }
 635
 636                         ARDOUR_UI::instance()->flush_pending ();
 637                 }
 638         }
 639
 640         if (sources.empty()) {
 641                 goto out;
 642         }
 643
 644
 645         ret = add_sources (paths, sources, pos, disposition, mode, target_regions, target_tracks, track, true);
 646
 647   out:
 648         set_canvas_cursor (current_canvas_cursor);
 649         return ret;
 650 }
 651
 652 int
 653 Editor::add_sources (vector<string> paths, SourceList& sources, framepos_t& pos, ImportDisposition disposition, ImportMode mode,
 654                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 655 {
 656         vector<boost::shared_ptr<Region> > regions;
 657         string region_name;
 658         uint32_t input_chan = 0;
 659         uint32_t output_chan = 0;
 660         bool use_timestamp;
 661
 662         use_timestamp = (pos == -1);
 663
 664         // kludge (for MIDI we're abusing "channel" for "track" here)
 665         if (SMFSource::safe_midi_file_extension (paths.front())) {
 666                 target_regions = -1;
 667         }
 668
 669         if (target_regions == 1) {
 670
 671                 /* take all the sources we have and package them up as a region */
 672
 673                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 674
 675                 /* we checked in import_sndfiles() that there were not too many */
 676
 677                 while (RegionFactory::region_by_name (region_name)) {
 678                         region_name = bump_name_once (region_name, '.');
 679                 }
 680
 681                 PropertyList plist;
 682
 683                 plist.add (ARDOUR::Properties::start, 0);
 684                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 685                 plist.add (ARDOUR::Properties::name, region_name);
 686                 plist.add (ARDOUR::Properties::layer, 0);
 687                 plist.add (ARDOUR::Properties::whole_file, true);
 688                 plist.add (ARDOUR::Properties::external, true);
 689
 690                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 691
 692                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 693                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 694                 }
 695
 696                 regions.push_back (r);
 697
 698
 699         } else if (target_regions == -1 || target_regions > 1) {
 700
 701                 /* take each source and create a region for each one */
 702
 703                 SourceList just_one;
 704                 SourceList::iterator x;
 705                 uint32_t n;
 706
 707                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 708
 709                         just_one.clear ();
 710                         just_one.push_back (*x);
 711
 712                         boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (*x);
 713
 714                         if (sources.size() > 1 && disposition == ImportDistinctChannels) {
 715
 716                                 /* generate a per-channel region name so that things work as
 717                                  * intended
 718                                  */
 719
 720                                 string path;
 721
 722                                 if (fs) {
 723                                         region_name = basename_nosuffix (fs->path());
 724                                 } else {
 725                                         region_name = (*x)->name();
 726                                 }
 727
 728                                 switch (sources.size()) {
 729                                         /* zero and one channel handled
 730                                            by previous if() condition
 731                                         */
 732                                 case 2:
 733                                         if (n == 0) {
 734                                                 region_name += "-L";
 735                                         } else {
 736                                                 region_name += "-R";
 737                                         }
 738                                         break;
 739                                 default:
 740                                         region_name += (char) '-';
 741                                         region_name += (char) ('1' + n);
 742                                         break;
 743                                 }
 744
 745                         } else {
 746                                 if (fs) {
 747                                         region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
 748                                 } else{
 749                                         region_name = (*x)->name();
 750                                 }
 751                         }
 752
 753                         PropertyList plist;
 754
 755                         /* Fudge region length to ensure it is non-zero; make it 1 beat at 120bpm
 756                            for want of a better idea.  It can't be too small, otherwise if this
 757                            is a MIDI region the conversion from frames -> beats -> frames will
 758                            round it back down to 0 again.
 759                         */
 760                         framecnt_t len = (*x)->length (pos);
 761                         if (len == 0) {
 762                                 len = (60.0 / 120.0) * _session->frame_rate ();
 763                         }
 764
 765                         plist.add (ARDOUR::Properties::start, 0);
 766                         plist.add (ARDOUR::Properties::length, len);
 767                         plist.add (ARDOUR::Properties::name, region_name);
 768                         plist.add (ARDOUR::Properties::layer, 0);
 769                         plist.add (ARDOUR::Properties::whole_file, true);
 770                         plist.add (ARDOUR::Properties::external, true);
 771
 772                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 773
 774                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 775                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 776                         }
 777
 778                         regions.push_back (r);
 779                 }
 780         }
 781
 782         if (target_regions == 1) {
 783                 input_chan = regions.front()->n_channels();
 784         } else {
 785                 if (target_tracks == 1) {
 786                         input_chan = regions.size();
 787                 } else {
 788                         input_chan = 1;
 789                 }
 790         }
 791
 792         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 793                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 794         } else {
 795                 output_chan = input_chan;
 796         }
 797
 798         int n = 0;
 799         framepos_t rlen = 0;
 800
 801         begin_reversible_command (Operations::insert_file);
 802
 803         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 804                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 805
 806                 if (use_timestamp) {
 807                         if (ar) {
 808
 809                                 /* get timestamp for this region */
 810
 811                                 const boost::shared_ptr<Source> s (ar->sources().front());
 812                                 const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 813
 814                                 assert (as);
 815
 816                                 if (as->natural_position() != 0) {
 817                                         pos = as->natural_position();
 818                                 } else if (target_tracks == 1) {
 819                                         /* hmm, no timestamp available, put it after the previous region
 820                                          */
 821                                         if (n == 0) {
 822                                                 pos = get_preferred_edit_position ();
 823                                         } else {
 824                                                 pos += rlen;
 825                                         }
 826                                 } else {
 827                                         pos = get_preferred_edit_position ();
 828                                 }
 829                         } else {
 830                                 /* should really get first position in MIDI file, but for now, use edit position*/
 831                                 pos = get_preferred_edit_position ();
 832                         }
 833                 }
 834
 835
 836                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 837
 838                 rlen = (*r)->length();
 839
 840                 if (target_tracks != 1) {
 841                         track.reset ();
 842                 } else {
 843                         if (!use_timestamp || !ar) {
 844                                 /* line each one up right after the other */
 845                                 pos += (*r)->length();
 846                         }
 847                 }
 848         }
 849
 850         commit_reversible_command ();
 851
 852         /* setup peak file building in another thread */
 853
 854         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 855                 SourceFactory::setup_peakfile (*x, true);
 856         }
 857
 858         return 0;
 859 }
 860
 861 int
 862 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, framepos_t& pos,
 863                                      ImportMode mode, boost::shared_ptr<Track>& existing_track)
 864 {
 865         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 866         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 867
 868         switch (mode) {
 869         case ImportAsRegion:
 870                 /* relax, its been done */
 871                 break;
 872
 873         case ImportToTrack:
 874         {
 875                 if (!existing_track) {
 876
 877                         if (ar) {
 878                                 existing_track = get_nth_selected_audio_track (0);
 879                         } else if (mr) {
 880                                 existing_track = get_nth_selected_midi_track (0);
 881                         }
 882
 883                         if (!existing_track) {
 884                                 return -1;
 885                         }
 886                 }
 887
 888                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 889                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 890                 playlist->clear_changes ();
 891                 playlist->add_region (copy, pos);
 892                 _session->add_command (new StatefulDiffCommand (playlist));
 893                 break;
 894         }
 895
 896         case ImportAsTrack:
 897         {
 898                 if (!existing_track) {
 899                         if (ar) {
 900                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 901
 902                                 if (at.empty()) {
 903                                         return -1;
 904                                 }
 905
 906                                 existing_track = at.front();
 907                         } else if (mr) {
 908                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (ChanCount (DataType::MIDI, 1),
 909                                                                                                   ChanCount (DataType::MIDI, 1),
 910                                                                                                   boost::shared_ptr<PluginInfo>(),
 911                                                                                                   Normal, 0, 1));
 912
 913                                 if (mt.empty()) {
 914                                         return -1;
 915                                 }
 916
 917                                 existing_track = mt.front();
 918                         }
 919
 920                         existing_track->set_name (region->name());
 921                 }
 922
 923                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 924                 boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 925                 playlist->clear_changes ();
 926                 playlist->add_region (copy, pos);
 927                 _session->add_command (new StatefulDiffCommand (playlist));
 928                 break;
 929         }
 930
 931         case ImportAsTapeTrack:
 932         {
 933                 if (!ar) {
 934                         return -1;
 935                 }
 936
 937                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 938                 if (!at.empty()) {
 939                         boost::shared_ptr<Playlist> playlist = at.front()->playlist();
 940                         boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 941                         playlist->clear_changes ();
 942                         playlist->add_region (copy, pos);
 943                         _session->add_command (new StatefulDiffCommand (playlist));
 944                 }
 945                 break;
 946         }
 947         }
 948
 949         return 0;
 950 }
 951
 952 void *
 953 Editor::_import_thread (void *arg)
 954 {
 955         SessionEvent::create_per_thread_pool ("import events", 64);
 956
 957         Editor *ed = (Editor *) arg;
 958         return ed->import_thread ();
 959 }
 960
 961 void *
 962 Editor::import_thread ()
 963 {
 964         _session->import_files (import_status);
 965         return 0;
 966 }