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 "gui_thread.h"
  56 #include "interthread_progress_window.h"
  57 #include "mouse_cursors.h"
  58 #include "editor_cursors.h"
  59
  60 #include "i18n.h"
  61
  62 using namespace std;
  63 using namespace ARDOUR;
  64 using namespace PBD;
  65 using namespace Gtk;
  66 using namespace Gtkmm2ext;
  67 using namespace Editing;
  68 using std::string;
  69
  70 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  71
  72 void
  73 Editor::add_external_audio_action (ImportMode mode_hint)
  74 {
  75         if (_session == 0) {
  76                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  77                 msg.run ();
  78                 return;
  79         }
  80
  81         if (sfbrowser == 0) {
  82                 sfbrowser = new SoundFileOmega (_("Add Existing Media"), _session, 0, true, mode_hint);
  83         } else {
  84                 sfbrowser->set_mode (mode_hint);
  85         }
  86
  87         external_audio_dialog ();
  88 }
  89
  90 void
  91 Editor::external_audio_dialog ()
  92 {
  93         vector<string> paths;
  94         uint32_t audio_track_cnt;
  95         uint32_t midi_track_cnt;
  96
  97         if (_session == 0) {
  98                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  99                 msg.run ();
 100                 return;
 101         }
 102
 103         audio_track_cnt = 0;
 104         midi_track_cnt = 0;
 105
 106         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 107                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 108
 109                 if (atv) {
 110                         if (atv->is_audio_track()) {
 111                                 audio_track_cnt++;
 112                         }
 113
 114                 } else {
 115                         MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 116
 117                         if (mtv) {
 118                                 if (mtv->is_midi_track()) {
 119                                         midi_track_cnt++;
 120                                 }
 121                         }
 122                 }
 123         }
 124
 125         if (sfbrowser == 0) {
 126                 sfbrowser = new SoundFileOmega (_("Add Existing Media"), _session, audio_track_cnt, midi_track_cnt, true);
 127         } else {
 128                 sfbrowser->reset (audio_track_cnt, midi_track_cnt);
 129         }
 130
 131         sfbrowser->show_all ();
 132 }
 133
 134 void
 135 Editor::session_import_dialog ()
 136 {
 137         SessionImportDialog dialog (_session);
 138         ensure_float (dialog);
 139         dialog.run ();
 140 }
 141
 142 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 143
 144 /**
 145  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_files()
 146  *
 147  * all_or_nothing:
 148  *   true  = show "Update", "Import" and "Skip"
 149  *   false = show "Import", and "Cancel"
 150  *
 151  * Returns:
 152  *     0  To update an existing source of the same name
 153  *     1  To import/embed the file normally (make sure the new name will be unique)
 154  *     2  If the user wants to skip this file
 155  **/
 156 int
 157 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 158 {
 159         string wave_name (Glib::path_get_basename(path));
 160
 161         bool already_exists = false;
 162         uint32_t existing;
 163
 164         if ((existing = _session->count_sources_by_origin (path)) > 0) {
 165                 already_exists = true;
 166         }
 167
 168         int function = 1;
 169
 170         if (already_exists) {
 171                 string message;
 172                 if (all_or_nothing) {
 173                         // updating is still disabled
 174                         //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);
 175                         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);
 176                 } else {
 177                         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);
 178
 179                 }
 180                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 181
 182                 if (all_or_nothing) {
 183                         // disabled
 184                         //dialog.add_button("Update", 0);
 185                         dialog.add_button("Import", 1);
 186                         dialog.add_button("Skip",   2);
 187                 } else {
 188                         dialog.add_button("Import", 1);
 189                         dialog.add_button("Cancel", 2);
 190                 }
 191
 192                 //dialog.add_button("Skip all", 4); // All or rest?
 193
 194                 dialog.show();
 195
 196                 function = dialog.run ();
 197
 198                 dialog.hide();
 199         }
 200
 201         return function;
 202 }
 203
 204 boost::shared_ptr<AudioTrack>
 205 Editor::get_nth_selected_audio_track (int nth) const
 206 {
 207         AudioTimeAxisView* atv;
 208         TrackSelection::iterator x;
 209
 210         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 211
 212                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 213
 214                 if (!atv) {
 215                         continue;
 216                 } else if (atv->is_audio_track()) {
 217                         --nth;
 218                 }
 219         }
 220
 221         if (x == selection->tracks.end()) {
 222                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 223         } else {
 224                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 225         }
 226
 227         if (!atv || !atv->is_audio_track()) {
 228                 return boost::shared_ptr<AudioTrack>();
 229         }
 230
 231         return atv->audio_track();
 232 }
 233
 234 boost::shared_ptr<MidiTrack>
 235 Editor::get_nth_selected_midi_track (int nth) const
 236 {
 237         MidiTimeAxisView* mtv;
 238         TrackSelection::iterator x;
 239
 240         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 241
 242                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 243
 244                 if (!mtv) {
 245                         continue;
 246                 } else if (mtv->is_midi_track()) {
 247                         --nth;
 248                 }
 249         }
 250
 251         if (x == selection->tracks.end()) {
 252                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 253         } else {
 254                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 255         }
 256
 257         if (!mtv || !mtv->is_midi_track()) {
 258                 return boost::shared_ptr<MidiTrack>();
 259         }
 260
 261         return mtv->midi_track();
 262 }
 263
 264 void
 265 Editor::do_import (vector<string> paths, ImportDisposition disposition, ImportMode mode, SrcQuality quality, framepos_t& pos)
 266 {
 267         boost::shared_ptr<Track> track;
 268         vector<string> to_import;
 269         int nth = 0;
 270         bool use_timestamp = (pos == -1);
 271
 272         current_interthread_info = &import_status;
 273         import_status.current = 1;
 274         import_status.total = paths.size ();
 275         import_status.all_done = false;
 276
 277         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 278
 279         bool ok = true;
 280
 281         if (disposition == Editing::ImportMergeFiles) {
 282
 283                 /* create 1 region from all paths, add to 1 track,
 284                    ignore "track"
 285                 */
 286
 287                 bool cancel = false;
 288                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 289                         int check = check_whether_and_how_to_import(*a, false);
 290                         if (check == 2) {
 291                                 cancel = true;
 292                                 break;
 293                         }
 294                 }
 295
 296                 if (cancel) {
 297                         ok = false;
 298                 } else {
 299                         ipw.show ();
 300                         ok = (import_sndfiles (paths, disposition, mode, quality, pos, 1, 1, track, false) == 0);
 301                 }
 302
 303         } else {
 304
 305                 bool replace = false;
 306
 307                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 308
 309                         const int check = check_whether_and_how_to_import (*a, true);
 310
 311                         switch (check) {
 312                         case 2:
 313                                 // user said skip
 314                                 continue;
 315                         case 0:
 316                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 317                                 /* NOTREACHED*/
 318                                 break;
 319                         case 1:
 320                                 replace = false;
 321                                 break;
 322                         default:
 323                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 324                                 /* NOTREACHED*/
 325                         }
 326
 327                         /* have to reset this for every file we handle */
 328
 329                         if (use_timestamp) {
 330                                 pos = -1;
 331                         }
 332
 333                         ipw.show ();
 334
 335                         switch (disposition) {
 336                         case Editing::ImportDistinctFiles:
 337
 338                                 to_import.clear ();
 339                                 to_import.push_back (*a);
 340
 341                                 if (mode == Editing::ImportToTrack) {
 342                                         track = get_nth_selected_audio_track (nth++);
 343                                 }
 344
 345                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, -1, track, replace) == 0);
 346                                 break;
 347
 348                         case Editing::ImportDistinctChannels:
 349
 350                                 to_import.clear ();
 351                                 to_import.push_back (*a);
 352
 353                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, -1, -1, track, replace) == 0);
 354                                 break;
 355
 356                         case Editing::ImportSerializeFiles:
 357
 358                                 to_import.clear ();
 359                                 to_import.push_back (*a);
 360
 361                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, 1, track, replace) == 0);
 362                                 break;
 363
 364                         case Editing::ImportMergeFiles:
 365                                 // Not entered, handled in earlier if() branch
 366                                 break;
 367                         }
 368                 }
 369         }
 370
 371         if (ok) {
 372                 _session->save_state ("");
 373         }
 374
 375         import_status.all_done = true;
 376 }
 377
 378 void
 379 Editor::do_embed (vector<string> paths, ImportDisposition import_as, ImportMode mode, framepos_t& pos)
 380 {
 381         boost::shared_ptr<Track> track;
 382         bool check_sample_rate = true;
 383         bool ok = false;
 384         vector<string> to_embed;
 385         bool multi = paths.size() > 1;
 386         int nth = 0;
 387         bool use_timestamp = (pos == -1);
 388
 389         switch (import_as) {
 390         case Editing::ImportDistinctFiles:
 391                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 392
 393                         /* have to reset this for every file we handle */
 394                         if (use_timestamp) {
 395                                 pos = -1;
 396                         }
 397
 398                         to_embed.clear ();
 399                         to_embed.push_back (*a);
 400
 401                         if (mode == Editing::ImportToTrack) {
 402                                 track = get_nth_selected_audio_track (nth++);
 403                         }
 404
 405                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, -1, track) < -1) {
 406                                 goto out;
 407                         }
 408                 }
 409                 break;
 410
 411         case Editing::ImportDistinctChannels:
 412                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 413
 414                         /* have to reset this for every file we handle */
 415                         if (use_timestamp) {
 416                                 pos = -1;
 417                         }
 418
 419                         to_embed.clear ();
 420                         to_embed.push_back (*a);
 421
 422                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, -1, -1, track) < -1) {
 423                                 goto out;
 424                         }
 425                 }
 426                 break;
 427
 428         case Editing::ImportMergeFiles:
 429                 if (embed_sndfiles (paths, multi, check_sample_rate, import_as, mode, pos, 1, 1, track) < -1) {
 430                         goto out;
 431                 }
 432                 break;
 433
 434         case Editing::ImportSerializeFiles:
 435                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 436
 437                         /* have to reset this for every file we handle */
 438                         if (use_timestamp) {
 439                                 pos = -1;
 440                         }
 441
 442                         to_embed.clear ();
 443                         to_embed.push_back (*a);
 444
 445                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, 1, track) < -1) {
 446                                 goto out;
 447                         }
 448                 }
 449                 break;
 450         }
 451
 452         ok = true;
 453
 454   out:
 455         if (ok) {
 456                 _session->save_state ("");
 457         }
 458 }
 459
 460 int
 461 Editor::import_sndfiles (vector<string> paths, ImportDisposition disposition, ImportMode mode, SrcQuality quality, framepos_t& pos,
 462                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
 463 {
 464         import_status.paths = paths;
 465         import_status.done = false;
 466         import_status.cancel = false;
 467         import_status.freeze = false;
 468         import_status.quality = quality;
 469         import_status.replace_existing_source = replace;
 470
 471         import_status.mode = mode;
 472         import_status.pos = pos;
 473         import_status.target_tracks = target_tracks;
 474         import_status.target_regions = target_regions;
 475         import_status.track = track;
 476         import_status.replace = replace;
 477
 478         set_canvas_cursor (_cursors->wait);
 479         gdk_flush ();
 480
 481         /* start import thread for this spec. this will ultimately call Session::import_files()
 482            which, if successful, will add the files as regions to the region list. its up to us
 483            (the GUI) to direct additional steps after that.
 484         */
 485
 486         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 487         pthread_detach (import_status.thread);
 488
 489         while (!import_status.done && !import_status.cancel) {
 490                 gtk_main_iteration ();
 491         }
 492
 493         import_status.done = true;
 494
 495         int result = -1;
 496
 497         if (!import_status.cancel && !import_status.sources.empty()) {
 498                 result = add_sources (
 499                         import_status.paths,
 500                         import_status.sources,
 501                         import_status.pos,
 502                         disposition,
 503                         import_status.mode,
 504                         import_status.target_regions,
 505                         import_status.target_tracks,
 506                         track, false
 507                         );
 508
 509                 /* update position from results */
 510
 511                 pos = import_status.pos;
 512         }
 513
 514         set_canvas_cursor (current_canvas_cursor);
 515         return result;
 516 }
 517
 518 int
 519 Editor::embed_sndfiles (vector<string> paths, bool multifile,
 520                         bool& check_sample_rate, ImportDisposition disposition, ImportMode mode,
 521                         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         push_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                 for (int n = 0; n < finfo.channels; ++n) {
 604
 605                         try {
 606
 607                                 /* check if we have this thing embedded already */
 608
 609                                 boost::shared_ptr<Source> s;
 610
 611                                 if ((s = _session->audio_source_by_path_and_channel (path, n)) == 0) {
 612
 613                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 614                                                 SourceFactory::createExternal (DataType::AUDIO, *_session,
 615                                                                                path, n,
 616                                                                                (mode == ImportAsTapeTrack
 617                                                                                 ? Source::Destructive
 618                                                                                 : Source::Flag (0)),
 619                                                                         true, true));
 620                                 } else {
 621                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 622                                 }
 623
 624                                 sources.push_back(source);
 625                         }
 626
 627                         catch (failed_constructor& err) {
 628                                 error << string_compose(_("could not open %1"), path) << endmsg;
 629                                 goto out;
 630                         }
 631
 632                         gtk_main_iteration();
 633                 }
 634         }
 635
 636         if (sources.empty()) {
 637                 goto out;
 638         }
 639
 640
 641         ret = add_sources (paths, sources, pos, disposition, mode, target_regions, target_tracks, track, true);
 642
 643   out:
 644         pop_canvas_cursor ();
 645         return ret;
 646 }
 647
 648 int
 649 Editor::add_sources (vector<string> paths, SourceList& sources, framepos_t& pos, ImportDisposition disposition, 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 (sources.size() > 1 && disposition == ImportDistinctChannels) {
 711
 712                                 /* generate a per-channel region name so that things work as
 713                                  * intended
 714                                  */
 715
 716                                 string path;
 717
 718                                 if (fs) {
 719                                         region_name = basename_nosuffix (fs->path());
 720                                 } else {
 721                                         region_name = (*x)->name();
 722                                 }
 723
 724                                 switch (sources.size()) {
 725                                         /* zero and one channel handled
 726                                            by previous if() condition
 727                                         */
 728                                 case 2:
 729                                         if (n == 0) {
 730                                                 region_name += "-L";
 731                                         } else {
 732                                                 region_name += "-R";
 733                                         }
 734                                         break;
 735                                 default:
 736                                         region_name += (char) '-';
 737                                         region_name += (char) ('1' + n);
 738                                         break;
 739                                 }
 740
 741                         } else {
 742                                 if (fs) {
 743                                         region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
 744                                 } else{
 745                                         region_name = (*x)->name();
 746                                 }
 747                         }
 748
 749                         PropertyList plist;
 750
 751                         /* Fudge region length to ensure it is non-zero; make it 1 beat at 120bpm
 752                            for want of a better idea.  It can't be too small, otherwise if this
 753                            is a MIDI region the conversion from frames -> beats -> frames will
 754                            round it back down to 0 again.
 755                         */
 756                         framecnt_t len = (*x)->length (pos);
 757                         if (len == 0) {
 758                                 len = (60.0 / 120.0) * _session->frame_rate ();
 759                         }
 760
 761                         plist.add (ARDOUR::Properties::start, 0);
 762                         plist.add (ARDOUR::Properties::length, len);
 763                         plist.add (ARDOUR::Properties::name, region_name);
 764                         plist.add (ARDOUR::Properties::layer, 0);
 765                         plist.add (ARDOUR::Properties::whole_file, true);
 766                         plist.add (ARDOUR::Properties::external, true);
 767
 768                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 769
 770                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 771                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 772                         }
 773
 774                         regions.push_back (r);
 775                 }
 776         }
 777
 778         if (target_regions == 1) {
 779                 input_chan = regions.front()->n_channels();
 780         } else {
 781                 if (target_tracks == 1) {
 782                         input_chan = regions.size();
 783                 } else {
 784                         input_chan = 1;
 785                 }
 786         }
 787
 788         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 789                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 790         } else {
 791                 output_chan = input_chan;
 792         }
 793
 794         int n = 0;
 795         framepos_t rlen = 0;
 796
 797         begin_reversible_command (Operations::insert_file);
 798
 799         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 800                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 801
 802                 if (use_timestamp) {
 803                         if (ar) {
 804
 805                                 /* get timestamp for this region */
 806
 807                                 const boost::shared_ptr<Source> s (ar->sources().front());
 808                                 const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 809
 810                                 assert (as);
 811
 812                                 if (as->natural_position() != 0) {
 813                                         pos = as->natural_position();
 814                                 } else if (target_tracks == 1) {
 815                                         /* hmm, no timestamp available, put it after the previous region
 816                                          */
 817                                         if (n == 0) {
 818                                                 pos = get_preferred_edit_position ();
 819                                         } else {
 820                                                 pos += rlen;
 821                                         }
 822                                 } else {
 823                                         pos = get_preferred_edit_position ();
 824                                 }
 825                         } else {
 826                                 /* should really get first position in MIDI file, but for now, use edit position*/
 827                                 pos = get_preferred_edit_position ();
 828                         }
 829                 }
 830
 831
 832                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 833
 834                 rlen = (*r)->length();
 835
 836                 if (target_tracks != 1) {
 837                         track.reset ();
 838                 } else {
 839                         if (!use_timestamp || !ar) {
 840                                 /* line each one up right after the other */
 841                                 pos += (*r)->length();
 842                         }
 843                 }
 844         }
 845
 846         commit_reversible_command ();
 847
 848         /* setup peak file building in another thread */
 849
 850         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 851                 SourceFactory::setup_peakfile (*x, true);
 852         }
 853
 854         return 0;
 855 }
 856
 857 int
 858 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, framepos_t& pos,
 859                                      ImportMode mode, boost::shared_ptr<Track>& existing_track)
 860 {
 861         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 862         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 863
 864         switch (mode) {
 865         case ImportAsRegion:
 866                 /* relax, its been done */
 867                 break;
 868
 869         case ImportToTrack:
 870         {
 871                 if (!existing_track) {
 872
 873                         if (ar) {
 874                                 existing_track = get_nth_selected_audio_track (0);
 875                         } else if (mr) {
 876                                 existing_track = get_nth_selected_midi_track (0);
 877                         }
 878
 879                         if (!existing_track) {
 880                                 return -1;
 881                         }
 882                 }
 883
 884                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 885                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 886                 playlist->clear_changes ();
 887                 playlist->add_region (copy, pos);
 888                 _session->add_command (new StatefulDiffCommand (playlist));
 889                 break;
 890         }
 891
 892         case ImportAsTrack:
 893         {
 894                 if (!existing_track) {
 895                         if (ar) {
 896                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 897
 898                                 if (at.empty()) {
 899                                         return -1;
 900                                 }
 901
 902                                 existing_track = at.front();
 903                         } else if (mr) {
 904                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (ChanCount (DataType::MIDI, 1),
 905                                                                                                   ChanCount (DataType::MIDI, 1),
 906                                                                                                   boost::shared_ptr<PluginInfo>(),
 907                                                                                                   Normal, 0, 1));
 908
 909                                 if (mt.empty()) {
 910                                         return -1;
 911                                 }
 912
 913                                 existing_track = mt.front();
 914                         }
 915
 916                         existing_track->set_name (region->name());
 917                 }
 918
 919                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 920                 boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 921                 playlist->clear_changes ();
 922                 playlist->add_region (copy, pos);
 923                 _session->add_command (new StatefulDiffCommand (playlist));
 924                 break;
 925         }
 926
 927         case ImportAsTapeTrack:
 928         {
 929                 if (!ar) {
 930                         return -1;
 931                 }
 932
 933                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 934                 if (!at.empty()) {
 935                         boost::shared_ptr<Playlist> playlist = at.front()->playlist();
 936                         boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 937                         playlist->clear_changes ();
 938                         playlist->add_region (copy, pos);
 939                         _session->add_command (new StatefulDiffCommand (playlist));
 940                 }
 941                 break;
 942         }
 943         }
 944
 945         return 0;
 946 }
 947
 948 void *
 949 Editor::_import_thread (void *arg)
 950 {
 951         SessionEvent::create_per_thread_pool ("import events", 64);
 952
 953         Editor *ed = (Editor *) arg;
 954         return ed->import_thread ();
 955 }
 956
 957 void *
 958 Editor::import_thread ()
 959 {
 960         _session->import_files (import_status);
 961         return 0;
 962 }