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 "cursor_context.h"
  50 #include "editor.h"
  51 #include "sfdb_ui.h"
  52 #include "editing.h"
  53 #include "audio_time_axis.h"
  54 #include "midi_time_axis.h"
  55 #include "session_import_dialog.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         bool already_exists = false;
 163         uint32_t existing;
 164
 165         if ((existing = _session->count_sources_by_origin (path)) > 0) {
 166                 already_exists = true;
 167         }
 168
 169         int function = 1;
 170
 171         if (already_exists) {
 172                 string message;
 173                 if (all_or_nothing) {
 174                         // updating is still disabled
 175                         //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);
 176                         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);
 177                 } else {
 178                         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);
 179
 180                 }
 181                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 182
 183                 if (all_or_nothing) {
 184                         // disabled
 185                         //dialog.add_button("Update", 0);
 186                         dialog.add_button("Import", 1);
 187                         dialog.add_button("Skip",   2);
 188                 } else {
 189                         dialog.add_button("Import", 1);
 190                         dialog.add_button("Cancel", 2);
 191                 }
 192
 193                 //dialog.add_button("Skip all", 4); // All or rest?
 194
 195                 dialog.show();
 196
 197                 function = dialog.run ();
 198
 199                 dialog.hide();
 200         }
 201
 202         return function;
 203 }
 204
 205 boost::shared_ptr<AudioTrack>
 206 Editor::get_nth_selected_audio_track (int nth) const
 207 {
 208         AudioTimeAxisView* atv;
 209         TrackSelection::iterator x;
 210
 211         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 212
 213                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 214
 215                 if (!atv) {
 216                         continue;
 217                 } else if (atv->is_audio_track()) {
 218                         --nth;
 219                 }
 220         }
 221
 222         if (x == selection->tracks.end()) {
 223                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 224         } else {
 225                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 226         }
 227
 228         if (!atv || !atv->is_audio_track()) {
 229                 return boost::shared_ptr<AudioTrack>();
 230         }
 231
 232         return atv->audio_track();
 233 }
 234
 235 boost::shared_ptr<MidiTrack>
 236 Editor::get_nth_selected_midi_track (int nth) const
 237 {
 238         MidiTimeAxisView* mtv;
 239         TrackSelection::iterator x;
 240
 241         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 242
 243                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 244
 245                 if (!mtv) {
 246                         continue;
 247                 } else if (mtv->is_midi_track()) {
 248                         --nth;
 249                 }
 250         }
 251
 252         if (x == selection->tracks.end()) {
 253                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 254         } else {
 255                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 256         }
 257
 258         if (!mtv || !mtv->is_midi_track()) {
 259                 return boost::shared_ptr<MidiTrack>();
 260         }
 261
 262         return mtv->midi_track();
 263 }
 264
 265 void
 266 Editor::do_import (vector<string>        paths,
 267                    ImportDisposition     disposition,
 268                    ImportMode            mode,
 269                    SrcQuality            quality,
 270                    framepos_t&           pos,
 271                    ARDOUR::PluginInfoPtr instrument)
 272 {
 273         boost::shared_ptr<Track> track;
 274         vector<string> to_import;
 275         int nth = 0;
 276         bool use_timestamp = (pos == -1);
 277
 278         current_interthread_info = &import_status;
 279         import_status.current = 1;
 280         import_status.total = paths.size ();
 281         import_status.all_done = false;
 282
 283         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 284
 285         bool ok = true;
 286
 287         if (disposition == Editing::ImportMergeFiles) {
 288
 289                 /* create 1 region from all paths, add to 1 track,
 290                    ignore "track"
 291                 */
 292
 293                 bool cancel = false;
 294                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 295                         int check = check_whether_and_how_to_import(*a, false);
 296                         if (check == 2) {
 297                                 cancel = true;
 298                                 break;
 299                         }
 300                 }
 301
 302                 if (cancel) {
 303                         ok = false;
 304                 } else {
 305                         ipw.show ();
 306                         ok = (import_sndfiles (paths, disposition, mode, quality, pos, 1, 1, track, false, instrument) == 0);
 307                 }
 308
 309         } else {
 310
 311                 bool replace = false;
 312
 313                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 314
 315                         const int check = check_whether_and_how_to_import (*a, true);
 316
 317                         switch (check) {
 318                         case 2:
 319                                 // user said skip
 320                                 continue;
 321                         case 0:
 322                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 323                                 abort(); /* NOTREACHED*/
 324                                 break;
 325                         case 1:
 326                                 replace = false;
 327                                 break;
 328                         default:
 329                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 330                                 abort(); /* NOTREACHED*/
 331                         }
 332
 333                         /* have to reset this for every file we handle */
 334
 335                         if (use_timestamp) {
 336                                 pos = -1;
 337                         }
 338
 339                         ipw.show ();
 340
 341                         switch (disposition) {
 342                         case Editing::ImportDistinctFiles:
 343
 344                                 to_import.clear ();
 345                                 to_import.push_back (*a);
 346
 347                                 if (mode == Editing::ImportToTrack) {
 348                                         track = get_nth_selected_audio_track (nth++);
 349                                 }
 350
 351                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, -1, track, replace, instrument) == 0);
 352                                 break;
 353
 354                         case Editing::ImportDistinctChannels:
 355
 356                                 to_import.clear ();
 357                                 to_import.push_back (*a);
 358
 359                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, -1, -1, track, replace, instrument) == 0);
 360                                 break;
 361
 362                         case Editing::ImportSerializeFiles:
 363
 364                                 to_import.clear ();
 365                                 to_import.push_back (*a);
 366
 367                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, 1, track, replace, instrument) == 0);
 368                                 break;
 369
 370                         case Editing::ImportMergeFiles:
 371                                 // Not entered, handled in earlier if() branch
 372                                 break;
 373                         }
 374                 }
 375         }
 376
 377         if (ok) {
 378                 _session->save_state ("");
 379         }
 380
 381         import_status.all_done = true;
 382 }
 383
 384 void
 385 Editor::do_embed (vector<string> paths, ImportDisposition import_as, ImportMode mode, framepos_t& pos, ARDOUR::PluginInfoPtr instrument)
 386 {
 387         boost::shared_ptr<Track> track;
 388         bool check_sample_rate = true;
 389         bool ok = false;
 390         vector<string> to_embed;
 391         bool multi = paths.size() > 1;
 392         int nth = 0;
 393         bool use_timestamp = (pos == -1);
 394
 395         switch (import_as) {
 396         case Editing::ImportDistinctFiles:
 397                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 398
 399                         /* have to reset this for every file we handle */
 400                         if (use_timestamp) {
 401                                 pos = -1;
 402                         }
 403
 404                         to_embed.clear ();
 405                         to_embed.push_back (*a);
 406
 407                         if (mode == Editing::ImportToTrack) {
 408                                 track = get_nth_selected_audio_track (nth++);
 409                         }
 410
 411                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, -1, track, instrument) < -1) {
 412                                 goto out;
 413                         }
 414                 }
 415                 break;
 416
 417         case Editing::ImportDistinctChannels:
 418                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 419
 420                         /* have to reset this for every file we handle */
 421                         if (use_timestamp) {
 422                                 pos = -1;
 423                         }
 424
 425                         to_embed.clear ();
 426                         to_embed.push_back (*a);
 427
 428                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, -1, -1, track, instrument) < -1) {
 429                                 goto out;
 430                         }
 431                 }
 432                 break;
 433
 434         case Editing::ImportMergeFiles:
 435                 if (embed_sndfiles (paths, multi, check_sample_rate, import_as, mode, pos, 1, 1, track, instrument) < -1) {
 436                         goto out;
 437                 }
 438                 break;
 439
 440         case Editing::ImportSerializeFiles:
 441                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 442
 443                         /* have to reset this for every file we handle */
 444                         if (use_timestamp) {
 445                                 pos = -1;
 446                         }
 447
 448                         to_embed.clear ();
 449                         to_embed.push_back (*a);
 450
 451                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, 1, track, instrument) < -1) {
 452                                 goto out;
 453                         }
 454                 }
 455                 break;
 456         }
 457
 458         ok = true;
 459
 460   out:
 461         if (ok) {
 462                 _session->save_state ("");
 463         }
 464 }
 465
 466 int
 467 Editor::import_sndfiles (vector<string>            paths,
 468                          ImportDisposition         disposition,
 469                          ImportMode                mode,
 470                          SrcQuality                quality,
 471                          framepos_t&               pos,
 472                          int                       target_regions,
 473                          int                       target_tracks,
 474                          boost::shared_ptr<Track>& track,
 475                          bool                      replace,
 476                          ARDOUR::PluginInfoPtr     instrument)
 477 {
 478         import_status.paths = paths;
 479         import_status.done = false;
 480         import_status.cancel = false;
 481         import_status.freeze = false;
 482         import_status.quality = quality;
 483         import_status.replace_existing_source = replace;
 484
 485         import_status.mode = mode;
 486         import_status.pos = pos;
 487         import_status.target_tracks = target_tracks;
 488         import_status.target_regions = target_regions;
 489         import_status.track = track;
 490         import_status.replace = replace;
 491
 492         CursorContext::Handle cursor_ctx = CursorContext::create(*this, _cursors->wait);
 493         gdk_flush ();
 494
 495         /* start import thread for this spec. this will ultimately call Session::import_files()
 496            which, if successful, will add the files as regions to the region list. its up to us
 497            (the GUI) to direct additional steps after that.
 498         */
 499
 500         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 501         pthread_detach (import_status.thread);
 502
 503         while (!import_status.done && !import_status.cancel) {
 504                 gtk_main_iteration ();
 505         }
 506
 507         import_status.done = true;
 508
 509         int result = -1;
 510
 511         if (!import_status.cancel && !import_status.sources.empty()) {
 512                 result = add_sources (
 513                         import_status.paths,
 514                         import_status.sources,
 515                         import_status.pos,
 516                         disposition,
 517                         import_status.mode,
 518                         import_status.target_regions,
 519                         import_status.target_tracks,
 520                         track, false, instrument
 521                         );
 522
 523                 /* update position from results */
 524
 525                 pos = import_status.pos;
 526         }
 527
 528         import_status.sources.clear();
 529         return result;
 530 }
 531
 532 int
 533 Editor::embed_sndfiles (vector<string>            paths,
 534                         bool                      multifile,
 535                         bool&                     check_sample_rate,
 536                         ImportDisposition         disposition,
 537                         ImportMode                mode,
 538                         framepos_t&               pos,
 539                         int                       target_regions,
 540                         int                       target_tracks,
 541                         boost::shared_ptr<Track>& track,
 542                         ARDOUR::PluginInfoPtr     instrument)
 543 {
 544         boost::shared_ptr<AudioFileSource> source;
 545         SourceList sources;
 546         string linked_path;
 547         SoundFileInfo finfo;
 548
 549         CursorContext::Handle cursor_ctx = CursorContext::create(*this, _cursors->wait);
 550         gdk_flush ();
 551
 552         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 553
 554                 string path = *p;
 555                 string error_msg;
 556
 557                 /* note that we temporarily truncated _id at the colon */
 558
 559                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 560                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 561                         return -3;
 562                 }
 563
 564                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 565                         vector<string> choices;
 566
 567                         if (multifile) {
 568                                 choices.push_back (_("Cancel entire import"));
 569                                 choices.push_back (_("Don't embed it"));
 570                                 choices.push_back (_("Embed all without questions"));
 571
 572                                 Gtkmm2ext::Choice rate_choice (
 573                                         _("Sample rate"),
 574                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 575                                                         short_path (path, 40)),
 576                                         choices, false
 577                                         );
 578
 579                                 int resx = rate_choice.run ();
 580
 581                                 switch (resx) {
 582                                 case 0: /* stop a multi-file import */
 583                                         return -2;
 584                                 case 1: /* don't embed this one */
 585                                         return -1;
 586                                 case 2: /* do it, and the rest without asking */
 587                                         check_sample_rate = false;
 588                                         break;
 589                                 case 3: /* do it */
 590                                         break;
 591                                 default:
 592                                         return -2;
 593                                 }
 594                         } else {
 595                                 choices.push_back (_("Cancel"));
 596                                 choices.push_back (_("Embed it anyway"));
 597
 598                                 Gtkmm2ext::Choice rate_choice (
 599                                         _("Sample rate"),
 600                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 601                                         choices, false
 602                                         );
 603
 604                                 int resx = rate_choice.run ();
 605
 606                                 switch (resx) {
 607                                 case 0: /* don't import */
 608                                         return -1;
 609                                 case 1: /* do it */
 610                                         break;
 611                                 default:
 612                                         return -2;
 613                                 }
 614                         }
 615                 }
 616
 617                 for (int n = 0; n < finfo.channels; ++n) {
 618
 619                         try {
 620
 621                                 /* check if we have this thing embedded already */
 622
 623                                 boost::shared_ptr<Source> s;
 624
 625                                 if ((s = _session->audio_source_by_path_and_channel (path, n)) == 0) {
 626
 627                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 628                                                 SourceFactory::createExternal (DataType::AUDIO, *_session,
 629                                                                                path, n,
 630                                                                                (mode == ImportAsTapeTrack
 631                                                                                 ? Source::Destructive
 632                                                                                 : Source::Flag (0)),
 633                                                                         true, true));
 634                                 } else {
 635                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 636                                 }
 637
 638                                 sources.push_back(source);
 639                         }
 640
 641                         catch (failed_constructor& err) {
 642                                 error << string_compose(_("could not open %1"), path) << endmsg;
 643                                 return -3;
 644                         }
 645
 646                         gtk_main_iteration();
 647                 }
 648         }
 649
 650         if (!sources.empty()) {
 651                 return add_sources (paths, sources, pos, disposition, mode, target_regions, target_tracks, track, true, instrument);
 652         }
 653
 654         return 0;
 655 }
 656
 657 int
 658 Editor::add_sources (vector<string>            paths,
 659                      SourceList&               sources,
 660                      framepos_t&               pos,
 661                      ImportDisposition         disposition,
 662                      ImportMode                mode,
 663                      int                       target_regions,
 664                      int                       target_tracks,
 665                      boost::shared_ptr<Track>& track,
 666                      bool                      /*add_channel_suffix*/,
 667                      ARDOUR::PluginInfoPtr     instrument)
 668 {
 669         vector<boost::shared_ptr<Region> > regions;
 670         string region_name;
 671         uint32_t input_chan = 0;
 672         uint32_t output_chan = 0;
 673         bool use_timestamp;
 674         vector<string> track_names;
 675
 676         use_timestamp = (pos == -1);
 677
 678         // kludge (for MIDI we're abusing "channel" for "track" here)
 679         if (SMFSource::safe_midi_file_extension (paths.front())) {
 680                 target_regions = -1;
 681         }
 682
 683         if (target_regions == 1) {
 684
 685                 /* take all the sources we have and package them up as a region */
 686
 687                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 688
 689                 /* we checked in import_sndfiles() that there were not too many */
 690
 691                 while (RegionFactory::region_by_name (region_name)) {
 692                         region_name = bump_name_once (region_name, '.');
 693                 }
 694
 695                 PropertyList plist;
 696
 697                 plist.add (ARDOUR::Properties::start, 0);
 698                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 699                 plist.add (ARDOUR::Properties::name, region_name);
 700                 plist.add (ARDOUR::Properties::layer, 0);
 701                 plist.add (ARDOUR::Properties::whole_file, true);
 702                 plist.add (ARDOUR::Properties::external, true);
 703
 704                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 705
 706                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 707                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 708                 }
 709
 710                 regions.push_back (r);
 711
 712                 /* if we're creating a new track, name it after the cleaned-up
 713                  * and "merged" region name.
 714                  */
 715
 716                 track_names.push_back (region_name);
 717
 718         } else if (target_regions == -1 || target_regions > 1) {
 719
 720                 /* take each source and create a region for each one */
 721
 722                 SourceList just_one;
 723                 SourceList::iterator x;
 724                 uint32_t n;
 725
 726                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 727
 728                         just_one.clear ();
 729                         just_one.push_back (*x);
 730
 731                         boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (*x);
 732
 733                         if (sources.size() > 1 && disposition == ImportDistinctChannels) {
 734
 735                                 /* generate a per-channel region name so that things work as
 736                                  * intended
 737                                  */
 738
 739                                 string path;
 740
 741                                 if (fs) {
 742                                         region_name = basename_nosuffix (fs->path());
 743                                 } else {
 744                                         region_name = (*x)->name();
 745                                 }
 746
 747                                 if (sources.size() == 2) {
 748                                         if (n == 0) {
 749                                                 region_name += "-L";
 750                                         } else {
 751                                                 region_name += "-R";
 752                                         }
 753                                 } else if (sources.size() > 2) {
 754                                         region_name += string_compose ("-%1", n+1);
 755                                 }
 756
 757                                 track_names.push_back (region_name);
 758
 759                         } else {
 760                                 if (fs) {
 761                                         region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
 762                                 } else {
 763                                         region_name = (*x)->name();
 764                                 }
 765
 766                                 if (SMFSource::safe_midi_file_extension (paths.front())) {
 767                                         string track_name = string_compose ("%1-t%2", PBD::basename_nosuffix (fs->path()), (n + 1));
 768                                         track_names.push_back (track_name);
 769                                 } else {
 770                                         track_names.push_back (PBD::basename_nosuffix (paths[n]));
 771                                 }
 772                         }
 773
 774                         PropertyList plist;
 775
 776                         /* Fudge region length to ensure it is non-zero; make it 1 beat at 120bpm
 777                            for want of a better idea.  It can't be too small, otherwise if this
 778                            is a MIDI region the conversion from frames -> beats -> frames will
 779                            round it back down to 0 again.
 780                         */
 781                         framecnt_t len = (*x)->length (pos);
 782                         if (len == 0) {
 783                                 len = (60.0 / 120.0) * _session->frame_rate ();
 784                         }
 785
 786                         plist.add (ARDOUR::Properties::start, 0);
 787                         plist.add (ARDOUR::Properties::length, len);
 788                         plist.add (ARDOUR::Properties::name, region_name);
 789                         plist.add (ARDOUR::Properties::layer, 0);
 790                         plist.add (ARDOUR::Properties::whole_file, true);
 791                         plist.add (ARDOUR::Properties::external, true);
 792
 793                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 794
 795                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 796                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 797                         }
 798
 799                         regions.push_back (r);
 800                 }
 801         }
 802
 803         if (target_regions == 1) {
 804                 input_chan = regions.front()->n_channels();
 805         } else {
 806                 if (target_tracks == 1) {
 807                         input_chan = regions.size();
 808                 } else {
 809                         input_chan = 1;
 810                 }
 811         }
 812
 813         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 814                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 815         } else {
 816                 output_chan = input_chan;
 817         }
 818
 819         int n = 0;
 820         framepos_t rlen = 0;
 821
 822         begin_reversible_command (Operations::insert_file);
 823
 824         /* we only use tracks names when importing to new tracks, but we
 825          * require that one is defined for every region, just to keep
 826          * the API simpler.
 827          */
 828         assert (regions.size() == track_names.size());
 829
 830         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 831                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 832
 833                 if (use_timestamp) {
 834                         if (ar) {
 835
 836                                 /* get timestamp for this region */
 837
 838                                 const boost::shared_ptr<Source> s (ar->sources().front());
 839                                 const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 840
 841                                 assert (as);
 842
 843                                 if (as->natural_position() != 0) {
 844                                         pos = as->natural_position();
 845                                 } else if (target_tracks == 1) {
 846                                         /* hmm, no timestamp available, put it after the previous region
 847                                          */
 848                                         if (n == 0) {
 849                                                 pos = get_preferred_edit_position ();
 850                                         } else {
 851                                                 pos += rlen;
 852                                         }
 853                                 } else {
 854                                         pos = get_preferred_edit_position ();
 855                                 }
 856                         } else {
 857                                 /* should really get first position in MIDI file, but for now, use edit position*/
 858                                 pos = get_preferred_edit_position ();
 859                         }
 860                 }
 861
 862                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track, track_names[n], instrument);
 863
 864                 rlen = (*r)->length();
 865
 866                 if (target_tracks != 1) {
 867                         track.reset ();
 868                 } else {
 869                         if (!use_timestamp || !ar) {
 870                                 /* line each one up right after the other */
 871                                 pos += (*r)->length();
 872                         }
 873                 }
 874         }
 875
 876         commit_reversible_command ();
 877
 878         /* setup peak file building in another thread */
 879
 880         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 881                 SourceFactory::setup_peakfile (*x, true);
 882         }
 883
 884         return 0;
 885 }
 886
 887 int
 888 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region,
 889                                      uint32_t                  in_chans,
 890                                      uint32_t                  out_chans,
 891                                      framepos_t&               pos,
 892                                      ImportMode                mode,
 893                                      boost::shared_ptr<Track>& existing_track,
 894                                      const string&             new_track_name,
 895                                      ARDOUR::PluginInfoPtr     instrument)
 896 {
 897         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 898         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 899
 900         switch (mode) {
 901         case ImportAsRegion:
 902                 /* relax, its been done */
 903                 break;
 904
 905         case ImportToTrack:
 906         {
 907                 if (!existing_track) {
 908
 909                         if (ar) {
 910                                 existing_track = get_nth_selected_audio_track (0);
 911                         } else if (mr) {
 912                                 existing_track = get_nth_selected_midi_track (0);
 913                         }
 914
 915                         if (!existing_track) {
 916                                 return -1;
 917                         }
 918                 }
 919
 920                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 921                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 922                 playlist->clear_changes ();
 923                 playlist->add_region (copy, pos);
 924                 if (Config->get_edit_mode() == Ripple)
 925                         playlist->ripple (pos, copy->length(), copy);
 926
 927                 _session->add_command (new StatefulDiffCommand (playlist));
 928                 break;
 929         }
 930
 931         case ImportAsTrack:
 932         {
 933                 if (!existing_track) {
 934                         if (ar) {
 935                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 936
 937                                 if (at.empty()) {
 938                                         return -1;
 939                                 }
 940
 941                                 existing_track = at.front();
 942                         } else if (mr) {
 943                                 list<boost::shared_ptr<MidiTrack> > mt (
 944                                         _session->new_midi_track (ChanCount (DataType::MIDI, 1),
 945                                                                   ChanCount (DataType::MIDI, 1),
 946                                                                   instrument,
 947                                                                   Normal, 0, 1));
 948
 949                                 if (mt.empty()) {
 950                                         return -1;
 951                                 }
 952
 953                                 existing_track = mt.front();
 954                         }
 955
 956                         if (!new_track_name.empty()) {
 957                                 existing_track->set_name (new_track_name);
 958                         } else {
 959                                 existing_track->set_name (region->name());
 960                         }
 961                 }
 962
 963                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 964                 boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 965                 playlist->clear_changes ();
 966                 playlist->add_region (copy, pos);
 967                 _session->add_command (new StatefulDiffCommand (playlist));
 968                 break;
 969         }
 970
 971         case ImportAsTapeTrack:
 972         {
 973                 if (!ar) {
 974                         return -1;
 975                 }
 976
 977                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 978                 if (!at.empty()) {
 979                         boost::shared_ptr<Playlist> playlist = at.front()->playlist();
 980                         boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 981                         playlist->clear_changes ();
 982                         playlist->add_region (copy, pos);
 983                         _session->add_command (new StatefulDiffCommand (playlist));
 984                 }
 985                 break;
 986         }
 987         }
 988
 989         return 0;
 990 }
 991
 992 void *
 993 Editor::_import_thread (void *arg)
 994 {
 995         SessionEvent::create_per_thread_pool ("import events", 64);
 996
 997         Editor *ed = (Editor *) arg;
 998         return ed->import_thread ();
 999 }
1000
1001 void *
1002 Editor::import_thread ()
1003 {
1004         _session->import_files (import_status);
1005         return 0;
1006 }