gtk2_ardour/editor_export_audio.cc

   1 /*
   2     Copyright (C) 2001 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 /* Note: public Editor methods are documented in public_editor.h */
  21
  22 #include <inttypes.h>
  23 #include <unistd.h>
  24 #include <climits>
  25
  26 #include <gtkmm/messagedialog.h>
  27
  28 #include "gtkmm2ext/choice.h"
  29
  30 #include "pbd/pthread_utils.h"
  31
  32 #include "ardour/audio_track.h"
  33 #include "ardour/audiofilesource.h"
  34 #include "ardour/audioplaylist.h"
  35 #include "ardour/audioregion.h"
  36 #include "ardour/chan_count.h"
  37 #include "ardour/midi_region.h"
  38 #include "ardour/session.h"
  39 #include "ardour/session_directory.h"
  40 #include "ardour/source_factory.h"
  41 #include "ardour/types.h"
  42
  43 #include "audio_region_view.h"
  44 #include "audio_time_axis.h"
  45 #include "editor.h"
  46 #include "export_dialog.h"
  47 #include "midi_export_dialog.h"
  48 #include "midi_region_view.h"
  49 #include "public_editor.h"
  50 #include "selection.h"
  51 #include "time_axis_view.h"
  52
  53 #include "i18n.h"
  54
  55 using namespace std;
  56 using namespace ARDOUR;
  57 using namespace PBD;
  58 using namespace Gtk;
  59
  60 void
  61 Editor::export_audio ()
  62 {
  63         ExportDialog dialog (*this, _("Export"), ExportProfileManager::RegularExport);
  64         dialog.set_session (_session);
  65         dialog.run();
  66 }
  67
  68 void
  69 Editor::stem_export ()
  70 {
  71         StemExportDialog dialog (*this);
  72         dialog.set_session (_session);
  73         dialog.run();
  74 }
  75
  76 void
  77 Editor::export_selection ()
  78 {
  79         ExportSelectionDialog dialog (*this);
  80         dialog.set_session (_session);
  81         dialog.run();
  82 }
  83
  84 void
  85 Editor::export_range ()
  86 {
  87         Marker* marker;
  88
  89         if ((marker = reinterpret_cast<Marker *> (marker_menu_item->get_data ("marker"))) == 0) {
  90                 fatal << _("programming error: marker canvas item has no marker object pointer!") << endmsg;
  91                 /*NOTREACHED*/
  92         }
  93
  94         Location* l;
  95         bool is_start;
  96
  97         if (((l = find_location_from_marker (marker, is_start)) != 0) && (l->end() > l->start())) {
  98                 ExportRangeDialog dialog (*this, l->id().to_s());
  99                 dialog.set_session (_session);
 100                 dialog.run();
 101         }
 102 }
 103
 104 /** Export the first selected region */
 105 void
 106 Editor::export_region ()
 107 {
 108         if (selection->regions.empty()) {
 109                 return;
 110         }
 111
 112         boost::shared_ptr<Region> r = selection->regions.front()->region();
 113         boost::shared_ptr<AudioRegion> audio_region = boost::dynamic_pointer_cast<AudioRegion>(r);
 114         boost::shared_ptr<MidiRegion> midi_region = boost::dynamic_pointer_cast<MidiRegion>(r);
 115
 116         if (audio_region) {
 117
 118                 RouteTimeAxisView & rtv (dynamic_cast<RouteTimeAxisView &> (selection->regions.front()->get_time_axis_view()));
 119                 AudioTrack & track (dynamic_cast<AudioTrack &> (*rtv.route()));
 120
 121                 ExportRegionDialog dialog (*this, *(audio_region.get()), track);
 122                 dialog.set_session (_session);
 123                 dialog.run ();
 124
 125         } else if (midi_region) {
 126
 127                 MidiExportDialog dialog (*this, midi_region);
 128                 dialog.set_session (_session);
 129                 int ret = dialog.run ();
 130                 switch (ret) {
 131                 case Gtk::RESPONSE_ACCEPT:
 132                         break;
 133                 default:
 134                         return;
 135                 }
 136
 137                 dialog.hide ();
 138
 139                 string path = dialog.get_path ();
 140
 141                 if (Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 142
 143                         MessageDialog checker (_("File Exists!"),
 144                                                true,
 145                                                Gtk::MESSAGE_WARNING,
 146                                                Gtk::BUTTONS_NONE);
 147
 148                         checker.set_title (_("File Exists!"));
 149
 150                         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
 151                         checker.add_button (_("Overwrite Existing File"), RESPONSE_ACCEPT);
 152                         checker.set_default_response (RESPONSE_CANCEL);
 153
 154                         checker.set_wmclass (X_("midi_export_file_exists"), PROGRAM_NAME);
 155                         checker.set_position (Gtk::WIN_POS_MOUSE);
 156
 157                         ret = checker.run ();
 158
 159                         switch (ret) {
 160                         case Gtk::RESPONSE_ACCEPT:
 161                                 /* force unlink because the backend code will
 162                                    go wrong if it tries to open an existing
 163                                    file for writing.
 164                                 */
 165                                 ::unlink (path.c_str());
 166                                 break;
 167                         default:
 168                                 return;
 169                         }
 170
 171                 }
 172
 173                 (void) midi_region->clone (path);
 174         }
 175 }
 176
 177 int
 178 Editor::write_region_selection (RegionSelection& regions)
 179 {
 180         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 181                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 182                 if (arv) {
 183                         if (write_region ("", arv->audio_region()) == false)
 184                                 return -1;
 185                 }
 186
 187                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
 188                 if (mrv) {
 189                         warning << "MIDI region export not implemented" << endmsg;
 190                 }
 191         }
 192
 193         return 0;
 194 }
 195
 196 void
 197 Editor::bounce_region_selection (bool with_processing)
 198 {
 199         /* no need to check for bounceable() because this operation never puts
 200          * its results back in the playlist (only in the region list).
 201          */
 202
 203         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 204
 205                 boost::shared_ptr<Region> region ((*i)->region());
 206                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&(*i)->get_time_axis_view());
 207                 boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (rtv->route());
 208
 209                 InterThreadInfo itt;
 210
 211                 boost::shared_ptr<Region> r;
 212
 213                 if (with_processing) {
 214                         r = track->bounce_range (region->position(), region->position() + region->length(), itt, track->main_outs(), false);
 215                 } else {
 216                         r = track->bounce_range (region->position(), region->position() + region->length(), itt, boost::shared_ptr<Processor>(), false);
 217                 }
 218         }
 219 }
 220
 221 bool
 222 Editor::write_region (string path, boost::shared_ptr<AudioRegion> region)
 223 {
 224         boost::shared_ptr<AudioFileSource> fs;
 225         const framepos_t chunk_size = 4096;
 226         framepos_t to_read;
 227         Sample buf[chunk_size];
 228         gain_t gain_buffer[chunk_size];
 229         framepos_t pos;
 230         char s[PATH_MAX+1];
 231         uint32_t cnt;
 232         vector<boost::shared_ptr<AudioFileSource> > sources;
 233         uint32_t nchans;
 234
 235         const string sound_directory = _session->session_directory().sound_path();
 236
 237         nchans = region->n_channels();
 238
 239         /* don't do duplicate of the entire source if that's what is going on here */
 240
 241         if (region->start() == 0 && region->length() == region->source_length(0)) {
 242                 /* XXX should link(2) to create a new inode with "path" */
 243                 return true;
 244         }
 245
 246         if (path.length() == 0) {
 247
 248                 for (uint32_t n=0; n < nchans; ++n) {
 249
 250                         for (cnt = 0; cnt < 999999; ++cnt) {
 251                                 if (nchans == 1) {
 252                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 253                                                   legalize_for_path(region->name()).c_str(), cnt);
 254                                 }
 255                                 else {
 256                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 257                                                   legalize_for_path(region->name()).c_str(), cnt, n);
 258                                 }
 259
 260                                 path = s;
 261
 262                                 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 263                                         break;
 264                                 }
 265                         }
 266
 267                         if (cnt == 999999) {
 268                                 error << "" << endmsg;
 269                                 goto error_out;
 270                         }
 271
 272
 273
 274                         try {
 275                                 fs = boost::dynamic_pointer_cast<AudioFileSource> (
 276                                         SourceFactory::createWritable (DataType::AUDIO, *_session,
 277                                                                        path, true,
 278                                                                        false, _session->frame_rate()));
 279                         }
 280
 281                         catch (failed_constructor& err) {
 282                                 goto error_out;
 283                         }
 284
 285                         sources.push_back (fs);
 286                 }
 287         }
 288         else {
 289                 /* TODO: make filesources based on passed path */
 290
 291         }
 292
 293         to_read = region->length();
 294         pos = region->position();
 295
 296         while (to_read) {
 297                 framepos_t this_time;
 298
 299                 this_time = min (to_read, chunk_size);
 300
 301                 for (vector<boost::shared_ptr<AudioFileSource> >::iterator src=sources.begin(); src != sources.end(); ++src) {
 302
 303                         fs = (*src);
 304
 305                         if (region->read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
 306                                 break;
 307                         }
 308
 309                         if (fs->write (buf, this_time) != this_time) {
 310                                 error << "" << endmsg;
 311                                 goto error_out;
 312                         }
 313                 }
 314
 315                 to_read -= this_time;
 316                 pos += this_time;
 317         }
 318
 319         time_t tnow;
 320         struct tm* now;
 321         time (&tnow);
 322         now = localtime (&tnow);
 323
 324         for (vector<boost::shared_ptr<AudioFileSource> >::iterator src = sources.begin(); src != sources.end(); ++src) {
 325                 (*src)->update_header (0, *now, tnow);
 326                 (*src)->mark_immutable ();
 327         }
 328
 329         return true;
 330
 331 error_out:
 332
 333         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 334                 (*i)->mark_for_remove ();
 335         }
 336
 337         return 0;
 338 }
 339
 340 int
 341 Editor::write_audio_selection (TimeSelection& ts)
 342 {
 343         int ret = 0;
 344
 345         if (selection->tracks.empty()) {
 346                 return 0;
 347         }
 348
 349         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 350
 351                 AudioTimeAxisView* atv;
 352
 353                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 354                         continue;
 355                 }
 356
 357                 if (atv->is_audio_track()) {
 358
 359                         boost::shared_ptr<AudioPlaylist> playlist = boost::dynamic_pointer_cast<AudioPlaylist>(atv->track()->playlist());
 360
 361                         if (playlist && write_audio_range (*playlist, atv->track()->n_channels(), ts) == 0) {
 362                                 ret = -1;
 363                                 break;
 364                         }
 365                 }
 366         }
 367
 368         return ret;
 369 }
 370
 371 bool
 372 Editor::write_audio_range (AudioPlaylist& playlist, const ChanCount& count, list<AudioRange>& range)
 373 {
 374         boost::shared_ptr<AudioFileSource> fs;
 375         const framepos_t chunk_size = 4096;
 376         framepos_t nframes;
 377         Sample buf[chunk_size];
 378         gain_t gain_buffer[chunk_size];
 379         framepos_t pos;
 380         char s[PATH_MAX+1];
 381         uint32_t cnt;
 382         string path;
 383         vector<boost::shared_ptr<AudioFileSource> > sources;
 384
 385         const string sound_directory = _session->session_directory().sound_path();
 386
 387         uint32_t channels = count.n_audio();
 388
 389         for (uint32_t n=0; n < channels; ++n) {
 390
 391                 for (cnt = 0; cnt < 999999; ++cnt) {
 392                         if (channels == 1) {
 393                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 394                                           legalize_for_path(playlist.name()).c_str(), cnt);
 395                         }
 396                         else {
 397                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 398                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 399                         }
 400
 401                         if (!Glib::file_test (s, Glib::FILE_TEST_EXISTS)) {
 402                                 break;
 403                         }
 404                 }
 405
 406                 if (cnt == 999999) {
 407                         error << "" << endmsg;
 408                         goto error_out;
 409                 }
 410
 411                 path = s;
 412
 413                 try {
 414                         fs = boost::dynamic_pointer_cast<AudioFileSource> (
 415                                 SourceFactory::createWritable (DataType::AUDIO, *_session,
 416                                                                path, true,
 417                                                                false, _session->frame_rate()));
 418                 }
 419
 420                 catch (failed_constructor& err) {
 421                         goto error_out;
 422                 }
 423
 424                 sources.push_back (fs);
 425
 426         }
 427
 428
 429         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 430
 431                 nframes = (*i).length();
 432                 pos = (*i).start;
 433
 434                 while (nframes) {
 435                         framepos_t this_time;
 436
 437                         this_time = min (nframes, chunk_size);
 438
 439                         for (uint32_t n=0; n < channels; ++n) {
 440
 441                                 fs = sources[n];
 442
 443                                 if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
 444                                         break;
 445                                 }
 446
 447                                 if (fs->write (buf, this_time) != this_time) {
 448                                         goto error_out;
 449                                 }
 450                         }
 451
 452                         nframes -= this_time;
 453                         pos += this_time;
 454                 }
 455
 456                 list<AudioRange>::iterator tmp = i;
 457                 ++tmp;
 458
 459                 if (tmp != range.end()) {
 460
 461                         /* fill gaps with silence */
 462
 463                         nframes = (*tmp).start - (*i).end;
 464
 465                         while (nframes) {
 466
 467                                 framepos_t this_time = min (nframes, chunk_size);
 468                                 memset (buf, 0, sizeof (Sample) * this_time);
 469
 470                                 for (uint32_t n=0; n < channels; ++n) {
 471
 472                                         fs = sources[n];
 473                                         if (fs->write (buf, this_time) != this_time) {
 474                                                 goto error_out;
 475                                         }
 476                                 }
 477
 478                                 nframes -= this_time;
 479                         }
 480                 }
 481
 482                 i = tmp;
 483         }
 484
 485         time_t tnow;
 486         struct tm* now;
 487         time (&tnow);
 488         now = localtime (&tnow);
 489
 490         for (vector<boost::shared_ptr<AudioFileSource> >::iterator s = sources.begin(); s != sources.end(); ++s) {
 491                 (*s)->update_header (0, *now, tnow);
 492                 (*s)->mark_immutable ();
 493                 // do we need to ref it again?
 494         }
 495
 496         return true;
 497
 498 error_out:
 499         /* unref created files */
 500
 501         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 502                 (*i)->mark_for_remove ();
 503         }
 504
 505         return false;
 506 }
 507
 508 void
 509 Editor::write_selection ()
 510 {
 511         if (!selection->time.empty()) {
 512                 write_audio_selection (selection->time);
 513         } else if (!selection->regions.empty()) {
 514                 write_region_selection (selection->regions);
 515         }
 516 }