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 chns, 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 (chns == 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, 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 (chns) {
 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, 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, 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, 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 chns, 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 (chns) {
 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, 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, 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<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, 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, 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                         import_status.mode,
 505                         import_status.target_regions,
 506                         import_status.target_tracks,
 507                         track, false
 508                         );
 509
 510                 /* update position from results */
 511
 512                 pos = import_status.pos;
 513         }
 514
 515         set_canvas_cursor (current_canvas_cursor);
 516         return result;
 517 }
 518
 519 int
 520 Editor::embed_sndfiles (vector<string> paths, bool multifile,
 521                         bool& check_sample_rate, ImportMode mode, framepos_t& pos, int target_regions, int target_tracks,
 522                         boost::shared_ptr<Track>& track)
 523 {
 524         boost::shared_ptr<AudioFileSource> source;
 525         SourceList sources;
 526         string linked_path;
 527         SoundFileInfo finfo;
 528         int ret = 0;
 529
 530         set_canvas_cursor (_cursors->wait);
 531         gdk_flush ();
 532
 533         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 534
 535                 string path = *p;
 536                 string error_msg;
 537
 538                 /* note that we temporarily truncated _id at the colon */
 539
 540                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 541                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 542                         goto out;
 543                 }
 544
 545                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 546                         vector<string> choices;
 547
 548                         if (multifile) {
 549                                 choices.push_back (_("Cancel entire import"));
 550                                 choices.push_back (_("Don't embed it"));
 551                                 choices.push_back (_("Embed all without questions"));
 552
 553                                 Gtkmm2ext::Choice rate_choice (
 554                                         _("Sample rate"),
 555                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 556                                                         short_path (path, 40)),
 557                                         choices, false
 558                                         );
 559
 560                                 int resx = rate_choice.run ();
 561
 562                                 switch (resx) {
 563                                 case 0: /* stop a multi-file import */
 564                                         ret = -2;
 565                                         goto out;
 566                                 case 1: /* don't embed this one */
 567                                         ret = -1;
 568                                         goto out;
 569                                 case 2: /* do it, and the rest without asking */
 570                                         check_sample_rate = false;
 571                                         break;
 572                                 case 3: /* do it */
 573                                         break;
 574                                 default:
 575                                         ret = -2;
 576                                         goto out;
 577                                 }
 578                         } else {
 579                                 choices.push_back (_("Cancel"));
 580                                 choices.push_back (_("Embed it anyway"));
 581
 582                                 Gtkmm2ext::Choice rate_choice (
 583                                         _("Sample rate"),
 584                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 585                                         choices, false
 586                                         );
 587
 588                                 int resx = rate_choice.run ();
 589
 590                                 switch (resx) {
 591                                 case 0: /* don't import */
 592                                         ret = -1;
 593                                         goto out;
 594                                 case 1: /* do it */
 595                                         break;
 596                                 default:
 597                                         ret = -2;
 598                                         goto out;
 599                                 }
 600                         }
 601                 }
 602
 603                 set_canvas_cursor (_cursors->wait);
 604
 605                 for (int n = 0; n < finfo.channels; ++n) {
 606                         try {
 607
 608                                 /* check if we have this thing embedded already */
 609
 610                                 boost::shared_ptr<Source> s;
 611
 612                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 613
 614                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 615                                                 SourceFactory::createReadable (DataType::AUDIO, *_session,
 616                                                                                path, n,
 617                                                                                (mode == ImportAsTapeTrack
 618                                                                                 ? Source::Destructive
 619                                                                                 : Source::Flag (0)),
 620                                                                         true, true));
 621                                 } else {
 622                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 623                                 }
 624
 625                                 sources.push_back(source);
 626                         }
 627
 628                         catch (failed_constructor& err) {
 629                                 error << string_compose(_("could not open %1"), path) << endmsg;
 630                                 goto out;
 631                         }
 632
 633                         ARDOUR_UI::instance()->flush_pending ();
 634                 }
 635         }
 636
 637         if (sources.empty()) {
 638                 goto out;
 639         }
 640
 641         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 642
 643   out:
 644         set_canvas_cursor (current_canvas_cursor);
 645         return ret;
 646 }
 647
 648 int
 649 Editor::add_sources (vector<string> paths, SourceList& sources, framepos_t& pos, ImportMode mode,
 650                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 651 {
 652         vector<boost::shared_ptr<Region> > regions;
 653         string region_name;
 654         uint32_t input_chan = 0;
 655         uint32_t output_chan = 0;
 656         bool use_timestamp;
 657
 658         use_timestamp = (pos == -1);
 659
 660         // kludge (for MIDI we're abusing "channel" for "track" here)
 661         if (SMFSource::safe_midi_file_extension (paths.front())) {
 662                 target_regions = -1;
 663         }
 664
 665         if (target_regions == 1) {
 666
 667                 /* take all the sources we have and package them up as a region */
 668
 669                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 670
 671                 /* we checked in import_sndfiles() that there were not too many */
 672
 673                 while (RegionFactory::region_by_name (region_name)) {
 674                         region_name = bump_name_once (region_name, '.');
 675                 }
 676
 677                 PropertyList plist;
 678
 679                 plist.add (ARDOUR::Properties::start, 0);
 680                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 681                 plist.add (ARDOUR::Properties::name, region_name);
 682                 plist.add (ARDOUR::Properties::layer, 0);
 683                 plist.add (ARDOUR::Properties::whole_file, true);
 684                 plist.add (ARDOUR::Properties::external, true);
 685
 686                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 687
 688                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 689                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 690                 }
 691
 692                 regions.push_back (r);
 693
 694
 695         } else if (target_regions == -1 || target_regions > 1) {
 696
 697                 /* take each source and create a region for each one */
 698
 699                 SourceList just_one;
 700                 SourceList::iterator x;
 701                 uint32_t n;
 702
 703                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 704
 705                         just_one.clear ();
 706                         just_one.push_back (*x);
 707
 708                         boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (*x);
 709
 710                         if (fs) {
 711                                 region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
 712                         } else{
 713                                 region_name = (*x)->name();
 714                         }
 715
 716                         PropertyList plist;
 717
 718                         /* Fudge region length to ensure it is non-zero; make it 1 beat at 120bpm
 719                            for want of a better idea.  It can't be too small, otherwise if this
 720                            is a MIDI region the conversion from frames -> beats -> frames will
 721                            round it back down to 0 again.
 722                         */
 723                         framecnt_t len = (*x)->length (pos);
 724                         if (len == 0) {
 725                                 len = (60.0 / 120.0) * _session->frame_rate ();
 726                         }
 727
 728                         plist.add (ARDOUR::Properties::start, 0);
 729                         plist.add (ARDOUR::Properties::length, len);
 730                         plist.add (ARDOUR::Properties::name, region_name);
 731                         plist.add (ARDOUR::Properties::layer, 0);
 732                         plist.add (ARDOUR::Properties::whole_file, true);
 733                         plist.add (ARDOUR::Properties::external, true);
 734
 735                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 736
 737                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 738                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 739                         }
 740
 741                         regions.push_back (r);
 742                 }
 743         }
 744
 745         if (target_regions == 1) {
 746                 input_chan = regions.front()->n_channels();
 747         } else {
 748                 if (target_tracks == 1) {
 749                         input_chan = regions.size();
 750                 } else {
 751                         input_chan = 1;
 752                 }
 753         }
 754
 755         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 756                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 757         } else {
 758                 output_chan = input_chan;
 759         }
 760
 761         int n = 0;
 762         framepos_t rlen = 0;
 763
 764         begin_reversible_command (Operations::insert_file);
 765
 766         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 767                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 768
 769                 if (use_timestamp) {
 770                         if (ar) {
 771
 772                                 /* get timestamp for this region */
 773
 774                                 const boost::shared_ptr<Source> s (ar->sources().front());
 775                                 const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 776
 777                                 assert (as);
 778
 779                                 if (as->natural_position() != 0) {
 780                                         pos = as->natural_position();
 781                                 } else if (target_tracks == 1) {
 782                                         /* hmm, no timestamp available, put it after the previous region
 783                                          */
 784                                         if (n == 0) {
 785                                                 pos = get_preferred_edit_position ();
 786                                         } else {
 787                                                 pos += rlen;
 788                                         }
 789                                 } else {
 790                                         pos = get_preferred_edit_position ();
 791                                 }
 792                         } else {
 793                                 /* should really get first position in MIDI file, but for now, use edit position*/
 794                                 pos = get_preferred_edit_position ();
 795                         }
 796                 }
 797
 798
 799                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 800
 801                 rlen = (*r)->length();
 802
 803                 if (target_tracks != 1) {
 804                         track.reset ();
 805                 } else {
 806                         if (!use_timestamp || !ar) {
 807                                 /* line each one up right after the other */
 808                                 pos += (*r)->length();
 809                         }
 810                 }
 811         }
 812
 813         commit_reversible_command ();
 814
 815         /* setup peak file building in another thread */
 816
 817         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 818                 SourceFactory::setup_peakfile (*x, true);
 819         }
 820
 821         return 0;
 822 }
 823
 824 int
 825 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, framepos_t& pos,
 826                                      ImportMode mode, boost::shared_ptr<Track>& existing_track)
 827 {
 828         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 829         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 830
 831         switch (mode) {
 832         case ImportAsRegion:
 833                 /* relax, its been done */
 834                 break;
 835
 836         case ImportToTrack:
 837         {
 838                 if (!existing_track) {
 839
 840                         if (ar) {
 841                                 existing_track = get_nth_selected_audio_track (0);
 842                         } else if (mr) {
 843                                 existing_track = get_nth_selected_midi_track (0);
 844                         }
 845
 846                         if (!existing_track) {
 847                                 return -1;
 848                         }
 849                 }
 850
 851                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 852                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 853                 playlist->clear_changes ();
 854                 playlist->add_region (copy, pos);
 855                 _session->add_command (new StatefulDiffCommand (playlist));
 856                 break;
 857         }
 858
 859         case ImportAsTrack:
 860         {
 861                 if (!existing_track) {
 862                         if (ar) {
 863                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 864
 865                                 if (at.empty()) {
 866                                         return -1;
 867                                 }
 868
 869                                 existing_track = at.front();
 870                         } else if (mr) {
 871                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (ChanCount (DataType::MIDI, 1),
 872                                                                                                   ChanCount (DataType::MIDI, 1),
 873                                                                                                   boost::shared_ptr<PluginInfo>(),
 874                                                                                                   Normal, 0, 1));
 875
 876                                 if (mt.empty()) {
 877                                         return -1;
 878                                 }
 879
 880                                 existing_track = mt.front();
 881                         }
 882
 883                         existing_track->set_name (region->name());
 884                 }
 885
 886                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 887                 boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 888                 playlist->clear_changes ();
 889                 playlist->add_region (copy, pos);
 890                 _session->add_command (new StatefulDiffCommand (playlist));
 891                 break;
 892         }
 893
 894         case ImportAsTapeTrack:
 895         {
 896                 if (!ar) {
 897                         return -1;
 898                 }
 899
 900                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 901                 if (!at.empty()) {
 902                         boost::shared_ptr<Playlist> playlist = at.front()->playlist();
 903                         boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 904                         playlist->clear_changes ();
 905                         playlist->add_region (copy, pos);
 906                         _session->add_command (new StatefulDiffCommand (playlist));
 907                 }
 908                 break;
 909         }
 910         }
 911
 912         return 0;
 913 }
 914
 915 void *
 916 Editor::_import_thread (void *arg)
 917 {
 918         SessionEvent::create_per_thread_pool ("import events", 64);
 919
 920         Editor *ed = (Editor *) arg;
 921         return ed->import_thread ();
 922 }
 923
 924 void *
 925 Editor::import_thread ()
 926 {
 927         _session->import_files (import_status);
 928         pthread_exit_pbd (0);
 929         /*NOTREACHED*/
 930         return 0;
 931 }