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 (*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<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 (*this, _("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         bool keepRunning;
 136
 137         do {
 138                 keepRunning = false;
 139
 140                 int response = sfbrowser->run ();
 141
 142                 switch (response) {
 143                         case RESPONSE_APPLY:
 144                                 // leave the dialog open
 145                                 break;
 146
 147                         case RESPONSE_OK:
 148                                 sfbrowser->hide ();
 149                                 break;
 150
 151                         default:
 152                                 // cancel from the browser - we are done
 153                                 sfbrowser->hide ();
 154                                 return;
 155                 }
 156
 157                 /* lets do it */
 158
 159                 vector<string> upaths = sfbrowser->get_paths ();
 160                 for (vector<string>::iterator x = upaths.begin(); x != upaths.end(); ++x) {
 161                         paths.push_back (*x);
 162                 }
 163
 164                 ImportPosition pos = sfbrowser->get_position ();
 165                 ImportMode mode = sfbrowser->get_mode ();
 166                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 167                 framepos_t where;
 168
 169                 switch (pos) {
 170                         case ImportAtEditPoint:
 171                                 where = get_preferred_edit_position ();
 172                                 break;
 173                         case ImportAtTimestamp:
 174                                 where = -1;
 175                                 break;
 176                         case ImportAtPlayhead:
 177                                 where = playhead_cursor->current_frame;
 178                                 break;
 179                         case ImportAtStart:
 180                                 where = _session->current_start_frame();
 181                                 break;
 182                 }
 183
 184                 SrcQuality quality = sfbrowser->get_src_quality();
 185
 186
 187                 if (sfbrowser->copy_files_btn.get_active()) {
 188                         do_import (paths, chns, mode, quality, where);
 189                 } else {
 190                         do_embed (paths, chns, mode, where);
 191                 }
 192
 193                 if (response == RESPONSE_APPLY) {
 194                         sfbrowser->clear_selection ();
 195                         keepRunning = true;
 196                 }
 197                 paths.clear();
 198
 199         } while (keepRunning);
 200 }
 201
 202 void
 203 Editor::session_import_dialog ()
 204 {
 205         SessionImportDialog dialog (_session);
 206         ensure_float (dialog);
 207         dialog.run ();
 208 }
 209
 210 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 211
 212 /**
 213  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_files()
 214  *
 215  * all_or_nothing:
 216  *   true  = show "Update", "Import" and "Skip"
 217  *   false = show "Import", and "Cancel"
 218  *
 219  * Returns:
 220  *     0  To update an existing source of the same name
 221  *     1  To import/embed the file normally (make sure the new name will be unique)
 222  *     2  If the user wants to skip this file
 223  **/
 224 int
 225 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 226 {
 227         string wave_name (Glib::path_get_basename(path));
 228
 229         SourceMap all_sources = _session->get_sources();
 230         bool already_exists = false;
 231         uint32_t existing;
 232
 233         if ((existing = _session->count_sources_by_origin (path)) > 0) {
 234                 already_exists = true;
 235         }
 236
 237         int function = 1;
 238
 239         if (already_exists) {
 240                 string message;
 241                 if (all_or_nothing) {
 242                         // updating is still disabled
 243                         //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);
 244                         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);
 245                 } else {
 246                         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);
 247
 248                 }
 249                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 250
 251                 if (all_or_nothing) {
 252                         // disabled
 253                         //dialog.add_button("Update", 0);
 254                         dialog.add_button("Import", 1);
 255                         dialog.add_button("Skip",   2);
 256                 } else {
 257                         dialog.add_button("Import", 1);
 258                         dialog.add_button("Cancel", 2);
 259                 }
 260
 261                 //dialog.add_button("Skip all", 4); // All or rest?
 262
 263                 dialog.show();
 264
 265                 function = dialog.run ();
 266
 267                 dialog.hide();
 268         }
 269
 270         return function;
 271 }
 272
 273 boost::shared_ptr<AudioTrack>
 274 Editor::get_nth_selected_audio_track (int nth) const
 275 {
 276         AudioTimeAxisView* atv;
 277         TrackSelection::iterator x;
 278
 279         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 280
 281                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 282
 283                 if (!atv) {
 284                         continue;
 285                 } else if (atv->is_audio_track()) {
 286                         --nth;
 287                 }
 288         }
 289
 290         if (x == selection->tracks.end()) {
 291                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 292         } else {
 293                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 294         }
 295
 296         if (!atv || !atv->is_audio_track()) {
 297                 return boost::shared_ptr<AudioTrack>();
 298         }
 299
 300         return atv->audio_track();
 301 }
 302
 303 boost::shared_ptr<MidiTrack>
 304 Editor::get_nth_selected_midi_track (int nth) const
 305 {
 306         MidiTimeAxisView* mtv;
 307         TrackSelection::iterator x;
 308
 309         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 310
 311                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 312
 313                 if (!mtv) {
 314                         continue;
 315                 } else if (mtv->is_midi_track()) {
 316                         --nth;
 317                 }
 318         }
 319
 320         if (x == selection->tracks.end()) {
 321                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 322         } else {
 323                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 324         }
 325
 326         if (!mtv || !mtv->is_midi_track()) {
 327                 return boost::shared_ptr<MidiTrack>();
 328         }
 329
 330         return mtv->midi_track();
 331 }
 332
 333 void
 334 Editor::do_import (vector<string> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, framepos_t& pos)
 335 {
 336         boost::shared_ptr<Track> track;
 337         vector<string> to_import;
 338         int nth = 0;
 339         bool use_timestamp = (pos == -1);
 340
 341         current_interthread_info = &import_status;
 342         import_status.current = 1;
 343         import_status.total = paths.size ();
 344         import_status.all_done = false;
 345
 346         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 347
 348         bool ok = true;
 349
 350         if (chns == Editing::ImportMergeFiles) {
 351
 352                 /* create 1 region from all paths, add to 1 track,
 353                    ignore "track"
 354                 */
 355
 356                 bool cancel = false;
 357                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 358                         int check = check_whether_and_how_to_import(*a, false);
 359                         if (check == 2) {
 360                                 cancel = true;
 361                                 break;
 362                         }
 363                 }
 364
 365                 if (cancel) {
 366                         ok = false;
 367                 } else {
 368                         ipw.show ();
 369                         ok = (import_sndfiles (paths, mode, quality, pos, 1, 1, track, false) == 0);
 370                 }
 371
 372         } else {
 373
 374                 bool replace = false;
 375
 376                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 377
 378                         const int check = check_whether_and_how_to_import (*a, true);
 379
 380                         switch (check) {
 381                         case 2:
 382                                 // user said skip
 383                                 continue;
 384                         case 0:
 385                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 386                                 /* NOTREACHED*/
 387                                 break;
 388                         case 1:
 389                                 replace = false;
 390                                 break;
 391                         default:
 392                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 393                                 /* NOTREACHED*/
 394                         }
 395
 396                         /* have to reset this for every file we handle */
 397
 398                         if (use_timestamp) {
 399                                 pos = -1;
 400                         }
 401
 402                         ipw.show ();
 403
 404                         switch (chns) {
 405                         case Editing::ImportDistinctFiles:
 406
 407                                 to_import.clear ();
 408                                 to_import.push_back (*a);
 409
 410                                 if (mode == Editing::ImportToTrack) {
 411                                         track = get_nth_selected_audio_track (nth++);
 412                                 }
 413
 414                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace) == 0);
 415                                 break;
 416
 417                         case Editing::ImportDistinctChannels:
 418
 419                                 to_import.clear ();
 420                                 to_import.push_back (*a);
 421
 422                                 ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace) == 0);
 423                                 break;
 424
 425                         case Editing::ImportSerializeFiles:
 426
 427                                 to_import.clear ();
 428                                 to_import.push_back (*a);
 429
 430                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace) == 0);
 431                                 break;
 432
 433                         case Editing::ImportMergeFiles:
 434                                 // Not entered, handled in earlier if() branch
 435                                 break;
 436                         }
 437                 }
 438         }
 439
 440         if (ok) {
 441                 _session->save_state ("");
 442         }
 443
 444         import_status.all_done = true;
 445 }
 446
 447 void
 448 Editor::do_embed (vector<string> paths, ImportDisposition chns, ImportMode mode, framepos_t& pos)
 449 {
 450         boost::shared_ptr<Track> track;
 451         bool check_sample_rate = true;
 452         bool ok = false;
 453         vector<string> to_embed;
 454         bool multi = paths.size() > 1;
 455         int nth = 0;
 456         bool use_timestamp = (pos == -1);
 457
 458         switch (chns) {
 459         case Editing::ImportDistinctFiles:
 460                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 461
 462                         /* have to reset this for every file we handle */
 463                         if (use_timestamp) {
 464                                 pos = -1;
 465                         }
 466
 467                         to_embed.clear ();
 468                         to_embed.push_back (*a);
 469
 470                         if (mode == Editing::ImportToTrack) {
 471                                 track = get_nth_selected_audio_track (nth++);
 472                         }
 473
 474                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 475                                 goto out;
 476                         }
 477                 }
 478                 break;
 479
 480         case Editing::ImportDistinctChannels:
 481                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 482
 483                         /* have to reset this for every file we handle */
 484                         if (use_timestamp) {
 485                                 pos = -1;
 486                         }
 487
 488                         to_embed.clear ();
 489                         to_embed.push_back (*a);
 490
 491                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 492                                 goto out;
 493                         }
 494                 }
 495                 break;
 496
 497         case Editing::ImportMergeFiles:
 498                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 499                         goto out;
 500                 }
 501                 break;
 502
 503         case Editing::ImportSerializeFiles:
 504                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 505
 506                         /* have to reset this for every file we handle */
 507                         if (use_timestamp) {
 508                                 pos = -1;
 509                         }
 510
 511                         to_embed.clear ();
 512                         to_embed.push_back (*a);
 513
 514                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 515                                 goto out;
 516                         }
 517                 }
 518                 break;
 519         }
 520
 521         ok = true;
 522
 523   out:
 524         if (ok) {
 525                 _session->save_state ("");
 526         }
 527 }
 528
 529 int
 530 Editor::import_sndfiles (vector<string> paths, ImportMode mode, SrcQuality quality, framepos_t& pos,
 531                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
 532 {
 533         import_status.paths = paths;
 534         import_status.done = false;
 535         import_status.cancel = false;
 536         import_status.freeze = false;
 537         import_status.quality = quality;
 538         import_status.replace_existing_source = replace;
 539
 540         import_status.mode = mode;
 541         import_status.pos = pos;
 542         import_status.target_tracks = target_tracks;
 543         import_status.target_regions = target_regions;
 544         import_status.track = track;
 545         import_status.replace = replace;
 546
 547         set_canvas_cursor (_cursors->wait);
 548         gdk_flush ();
 549
 550         /* start import thread for this spec. this will ultimately call Session::import_files()
 551            which, if successful, will add the files as regions to the region list. its up to us
 552            (the GUI) to direct additional steps after that.
 553         */
 554
 555         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 556         pthread_detach (import_status.thread);
 557
 558         while (!import_status.done && !import_status.cancel) {
 559                 gtk_main_iteration ();
 560         }
 561
 562         import_status.done = true;
 563
 564         int result = -1;
 565
 566         if (!import_status.cancel && !import_status.sources.empty()) {
 567                 result = add_sources (
 568                         import_status.paths,
 569                         import_status.sources,
 570                         import_status.pos,
 571                         import_status.mode,
 572                         import_status.target_regions,
 573                         import_status.target_tracks,
 574                         track, false
 575                         );
 576
 577                 /* update position from results */
 578
 579                 pos = import_status.pos;
 580         }
 581
 582         set_canvas_cursor (current_canvas_cursor);
 583         return result;
 584 }
 585
 586 int
 587 Editor::embed_sndfiles (vector<string> paths, bool multifile,
 588                         bool& check_sample_rate, ImportMode mode, framepos_t& pos, int target_regions, int target_tracks,
 589                         boost::shared_ptr<Track>& track)
 590 {
 591         boost::shared_ptr<AudioFileSource> source;
 592         SourceList sources;
 593         string linked_path;
 594         SoundFileInfo finfo;
 595         int ret = 0;
 596
 597         set_canvas_cursor (_cursors->wait);
 598         gdk_flush ();
 599
 600         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 601
 602                 string path = *p;
 603                 string error_msg;
 604
 605                 /* note that we temporarily truncated _id at the colon */
 606
 607                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 608                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 609                         goto out;
 610                 }
 611
 612                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 613                         vector<string> choices;
 614
 615                         if (multifile) {
 616                                 choices.push_back (_("Cancel entire import"));
 617                                 choices.push_back (_("Don't embed it"));
 618                                 choices.push_back (_("Embed all without questions"));
 619
 620                                 Gtkmm2ext::Choice rate_choice (
 621                                         _("Sample rate"),
 622                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 623                                                         short_path (path, 40)),
 624                                         choices, false
 625                                         );
 626
 627                                 int resx = rate_choice.run ();
 628
 629                                 switch (resx) {
 630                                 case 0: /* stop a multi-file import */
 631                                         ret = -2;
 632                                         goto out;
 633                                 case 1: /* don't embed this one */
 634                                         ret = -1;
 635                                         goto out;
 636                                 case 2: /* do it, and the rest without asking */
 637                                         check_sample_rate = false;
 638                                         break;
 639                                 case 3: /* do it */
 640                                         break;
 641                                 default:
 642                                         ret = -2;
 643                                         goto out;
 644                                 }
 645                         } else {
 646                                 choices.push_back (_("Cancel"));
 647                                 choices.push_back (_("Embed it anyway"));
 648
 649                                 Gtkmm2ext::Choice rate_choice (
 650                                         _("Sample rate"),
 651                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 652                                         choices, false
 653                                         );
 654
 655                                 int resx = rate_choice.run ();
 656
 657                                 switch (resx) {
 658                                 case 0: /* don't import */
 659                                         ret = -1;
 660                                         goto out;
 661                                 case 1: /* do it */
 662                                         break;
 663                                 default:
 664                                         ret = -2;
 665                                         goto out;
 666                                 }
 667                         }
 668                 }
 669
 670                 set_canvas_cursor (_cursors->wait);
 671
 672                 for (int n = 0; n < finfo.channels; ++n) {
 673                         try {
 674
 675                                 /* check if we have this thing embedded already */
 676
 677                                 boost::shared_ptr<Source> s;
 678
 679                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 680
 681                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 682                                                 SourceFactory::createReadable (DataType::AUDIO, *_session,
 683                                                                                path, n,
 684                                                                                (mode == ImportAsTapeTrack
 685                                                                                 ? Source::Destructive
 686                                                                                 : Source::Flag (0)),
 687                                                                         true, true));
 688                                 } else {
 689                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 690                                 }
 691
 692                                 sources.push_back(source);
 693                         }
 694
 695                         catch (failed_constructor& err) {
 696                                 error << string_compose(_("could not open %1"), path) << endmsg;
 697                                 goto out;
 698                         }
 699
 700                         ARDOUR_UI::instance()->flush_pending ();
 701                 }
 702         }
 703
 704         if (sources.empty()) {
 705                 goto out;
 706         }
 707
 708         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 709
 710   out:
 711         set_canvas_cursor (current_canvas_cursor);
 712         return ret;
 713 }
 714
 715 int
 716 Editor::add_sources (vector<string> paths, SourceList& sources, framepos_t& pos, ImportMode mode,
 717                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 718 {
 719         vector<boost::shared_ptr<Region> > regions;
 720         string region_name;
 721         uint32_t input_chan = 0;
 722         uint32_t output_chan = 0;
 723         bool use_timestamp;
 724
 725         use_timestamp = (pos == -1);
 726
 727         // kludge (for MIDI we're abusing "channel" for "track" here)
 728         if (SMFSource::safe_midi_file_extension (paths.front())) {
 729                 target_regions = -1;
 730         }
 731
 732         if (target_regions == 1) {
 733
 734                 /* take all the sources we have and package them up as a region */
 735
 736                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 737
 738                 /* we checked in import_sndfiles() that there were not too many */
 739
 740                 while (RegionFactory::region_by_name (region_name)) {
 741                         region_name = bump_name_once (region_name, '.');
 742                 }
 743
 744                 PropertyList plist;
 745
 746                 plist.add (ARDOUR::Properties::start, 0);
 747                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 748                 plist.add (ARDOUR::Properties::name, region_name);
 749                 plist.add (ARDOUR::Properties::layer, 0);
 750                 plist.add (ARDOUR::Properties::whole_file, true);
 751                 plist.add (ARDOUR::Properties::external, true);
 752
 753                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 754
 755                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 756                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 757                 }
 758
 759                 regions.push_back (r);
 760
 761
 762         } else if (target_regions == -1 || target_regions > 1) {
 763
 764                 /* take each source and create a region for each one */
 765
 766                 SourceList just_one;
 767                 SourceList::iterator x;
 768                 uint32_t n;
 769
 770                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 771
 772                         just_one.clear ();
 773                         just_one.push_back (*x);
 774
 775                         boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (*x);
 776
 777                         if (fs) {
 778                                 region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
 779                         } else{
 780                                 region_name = (*x)->name();
 781                         }
 782
 783                         PropertyList plist;
 784
 785                         /* Fudge region length to ensure it is non-zero; make it 1 beat at 120bpm
 786                            for want of a better idea.  It can't be too small, otherwise if this
 787                            is a MIDI region the conversion from frames -> beats -> frames will
 788                            round it back down to 0 again.
 789                         */
 790                         framecnt_t len = (*x)->length (pos);
 791                         if (len == 0) {
 792                                 len = (60.0 / 120.0) * _session->frame_rate ();
 793                         }
 794
 795                         plist.add (ARDOUR::Properties::start, 0);
 796                         plist.add (ARDOUR::Properties::length, len);
 797                         plist.add (ARDOUR::Properties::name, region_name);
 798                         plist.add (ARDOUR::Properties::layer, 0);
 799                         plist.add (ARDOUR::Properties::whole_file, true);
 800                         plist.add (ARDOUR::Properties::external, true);
 801
 802                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 803
 804                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 805                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 806                         }
 807
 808                         regions.push_back (r);
 809                 }
 810         }
 811
 812         if (target_regions == 1) {
 813                 input_chan = regions.front()->n_channels();
 814         } else {
 815                 if (target_tracks == 1) {
 816                         input_chan = regions.size();
 817                 } else {
 818                         input_chan = 1;
 819                 }
 820         }
 821
 822         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 823                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 824         } else {
 825                 output_chan = input_chan;
 826         }
 827
 828         int n = 0;
 829         framepos_t rlen = 0;
 830
 831         begin_reversible_command (Operations::insert_file);
 832
 833         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 834                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 835
 836                 if (use_timestamp) {
 837                         if (ar) {
 838
 839                                 /* get timestamp for this region */
 840
 841                                 const boost::shared_ptr<Source> s (ar->sources().front());
 842                                 const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 843
 844                                 assert (as);
 845
 846                                 if (as->natural_position() != 0) {
 847                                         pos = as->natural_position();
 848                                 } else if (target_tracks == 1) {
 849                                         /* hmm, no timestamp available, put it after the previous region
 850                                          */
 851                                         if (n == 0) {
 852                                                 pos = get_preferred_edit_position ();
 853                                         } else {
 854                                                 pos += rlen;
 855                                         }
 856                                 } else {
 857                                         pos = get_preferred_edit_position ();
 858                                 }
 859                         } else {
 860                                 /* should really get first position in MIDI file, but for now, use edit position*/
 861                                 pos = get_preferred_edit_position ();
 862                         }
 863                 }
 864
 865
 866                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 867
 868                 rlen = (*r)->length();
 869
 870                 if (target_tracks != 1) {
 871                         track.reset ();
 872                 } else {
 873                         if (!use_timestamp || !ar) {
 874                                 /* line each one up right after the other */
 875                                 pos += (*r)->length();
 876                         }
 877                 }
 878         }
 879
 880         commit_reversible_command ();
 881
 882         /* setup peak file building in another thread */
 883
 884         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 885                 SourceFactory::setup_peakfile (*x, true);
 886         }
 887
 888         return 0;
 889 }
 890
 891 int
 892 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, framepos_t& pos,
 893                                      ImportMode mode, boost::shared_ptr<Track>& existing_track)
 894 {
 895         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 896         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 897
 898         switch (mode) {
 899         case ImportAsRegion:
 900                 /* relax, its been done */
 901                 break;
 902
 903         case ImportToTrack:
 904         {
 905                 if (!existing_track) {
 906
 907                         if (ar) {
 908                                 existing_track = get_nth_selected_audio_track (0);
 909                         } else if (mr) {
 910                                 existing_track = get_nth_selected_midi_track (0);
 911                         }
 912
 913                         if (!existing_track) {
 914                                 return -1;
 915                         }
 916                 }
 917
 918                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 919                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 920                 playlist->clear_changes ();
 921                 playlist->add_region (copy, pos);
 922                 _session->add_command (new StatefulDiffCommand (playlist));
 923                 break;
 924         }
 925
 926         case ImportAsTrack:
 927         {
 928                 if (!existing_track) {
 929                         if (ar) {
 930                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 931
 932                                 if (at.empty()) {
 933                                         return -1;
 934                                 }
 935
 936                                 existing_track = at.front();
 937                         } else if (mr) {
 938                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (ChanCount (DataType::MIDI, 1),
 939                                                                                                   ChanCount (DataType::MIDI, 1),
 940                                                                                                   boost::shared_ptr<PluginInfo>(),
 941                                                                                                   Normal, 0, 1));
 942
 943                                 if (mt.empty()) {
 944                                         return -1;
 945                                 }
 946
 947                                 existing_track = mt.front();
 948                         }
 949
 950                         existing_track->set_name (region->name());
 951                 }
 952
 953                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 954                 boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 955                 playlist->clear_changes ();
 956                 playlist->add_region (copy, pos);
 957                 _session->add_command (new StatefulDiffCommand (playlist));
 958                 break;
 959         }
 960
 961         case ImportAsTapeTrack:
 962         {
 963                 if (!ar) {
 964                         return -1;
 965                 }
 966
 967                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 968                 if (!at.empty()) {
 969                         boost::shared_ptr<Playlist> playlist = at.front()->playlist();
 970                         boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 971                         playlist->clear_changes ();
 972                         playlist->add_region (copy, pos);
 973                         _session->add_command (new StatefulDiffCommand (playlist));
 974                 }
 975                 break;
 976         }
 977         }
 978
 979         return 0;
 980 }
 981
 982 void *
 983 Editor::_import_thread (void *arg)
 984 {
 985         SessionEvent::create_per_thread_pool ("import events", 64);
 986
 987         Editor *ed = (Editor *) arg;
 988         return ed->import_thread ();
 989 }
 990
 991 void *
 992 Editor::import_thread ()
 993 {
 994         _session->import_files (import_status);
 995         pthread_exit_pbd (0);
 996         /*NOTREACHED*/
 997         return 0;
 998 }