gtk2_ardour/editor_export_audio.cc

   1 /*
   2  * Copyright (C) 2005-2017 Paul Davis <paul@linuxaudiosystems.com>
   3  * Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
   4  * Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
   5  * Copyright (C) 2007-2010 Carl Hetherington <carl@carlh.net>
   6  * Copyright (C) 2007-2017 Tim Mayberry <mojofunk@gmail.com>
   7  * Copyright (C) 2008-2012 Sakari Bergen <sakari.bergen@beatwaves.net>
   8  * Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
   9  * Copyright (C) 2015 André Nusser <andre.nusser@googlemail.com>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 /* Note: public Editor methods are documented in public_editor.h */
  27
  28 #include <inttypes.h>
  29 #include <unistd.h>
  30 #include <climits>
  31
  32 #include <gtkmm/messagedialog.h>
  33
  34 #include "pbd/gstdio_compat.h"
  35
  36 #include "pbd/pthread_utils.h"
  37
  38 #include "ardour/audio_track.h"
  39 #include "ardour/audiofilesource.h"
  40 #include "ardour/audioplaylist.h"
  41 #include "ardour/audioregion.h"
  42 #include "ardour/chan_count.h"
  43 #include "ardour/midi_region.h"
  44 #include "ardour/session.h"
  45 #include "ardour/session_directory.h"
  46 #include "ardour/source_factory.h"
  47 #include "ardour/types.h"
  48
  49 #include "audio_region_view.h"
  50 #include "audio_time_axis.h"
  51 #include "editor.h"
  52 #include "export_dialog.h"
  53 #include "midi_export_dialog.h"
  54 #include "midi_region_view.h"
  55 #include "public_editor.h"
  56 #include "selection.h"
  57 #include "time_axis_view.h"
  58 #include "utils.h"
  59
  60 #include "pbd/i18n.h"
  61
  62 using namespace std;
  63 using namespace ARDOUR;
  64 using namespace PBD;
  65 using namespace Gtk;
  66
  67 void
  68 Editor::export_audio ()
  69 {
  70         ExportDialog dialog (*this, _("Export"), ExportProfileManager::RegularExport);
  71         dialog.set_session (_session);
  72         dialog.run();
  73 }
  74
  75 void
  76 Editor::stem_export ()
  77 {
  78         StemExportDialog dialog (*this);
  79         dialog.set_session (_session);
  80         dialog.run();
  81 }
  82
  83 void
  84 Editor::export_selection ()
  85 {
  86         ExportSelectionDialog dialog (*this);
  87         dialog.set_session (_session);
  88         dialog.run();
  89 }
  90
  91 void
  92 Editor::export_range ()
  93 {
  94         ArdourMarker* marker;
  95
  96         if ((marker = reinterpret_cast<ArdourMarker *> (marker_menu_item->get_data ("marker"))) == 0) {
  97                 fatal << _("programming error: marker canvas item has no marker object pointer!") << endmsg;
  98                 abort(); /*NOTREACHED*/
  99         }
 100
 101         Location* l;
 102         bool is_start;
 103
 104         if (((l = find_location_from_marker (marker, is_start)) != 0) && (l->end() > l->start())) {
 105                 ExportRangeDialog dialog (*this, l->id().to_s());
 106                 dialog.set_session (_session);
 107                 dialog.run();
 108         }
 109 }
 110
 111 bool
 112 Editor::process_midi_export_dialog (MidiExportDialog& dialog, boost::shared_ptr<MidiRegion> midi_region)
 113 {
 114         string path = dialog.get_path ();
 115
 116         if (Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 117                 bool overwrite = ARDOUR_UI_UTILS::overwrite_file_dialog (dialog,
 118                                                                          _("Confirm MIDI File Overwrite"),
 119                                                                          _("A file with the same name already exists. Do you want to overwrite it?"));
 120
 121                 if (!overwrite) {
 122                         return false;
 123                 }
 124
 125                 /* force ::g_unlink because the backend code will
 126                    go wrong if it tries to open an existing
 127                    file for writing.
 128                 */
 129                 ::g_unlink (path.c_str());
 130         }
 131
 132         return midi_region->do_export (path);
 133 }
 134
 135 /** Export the first selected region */
 136 void
 137 Editor::export_region ()
 138 {
 139         if (selection->regions.empty()) {
 140                 return;
 141         }
 142
 143         boost::shared_ptr<Region> r = selection->regions.front()->region();
 144         boost::shared_ptr<AudioRegion> audio_region = boost::dynamic_pointer_cast<AudioRegion>(r);
 145         boost::shared_ptr<MidiRegion> midi_region = boost::dynamic_pointer_cast<MidiRegion>(r);
 146
 147         if (audio_region) {
 148
 149                 RouteTimeAxisView & rtv (dynamic_cast<RouteTimeAxisView &> (selection->regions.front()->get_time_axis_view()));
 150                 AudioTrack & track (dynamic_cast<AudioTrack &> (*rtv.route()));
 151
 152                 ExportRegionDialog dialog (*this, *(audio_region.get()), track);
 153                 dialog.set_session (_session);
 154                 dialog.run ();
 155
 156         } else if (midi_region) {
 157
 158                 MidiExportDialog dialog (*this, midi_region);
 159                 dialog.set_session (_session);
 160
 161                 bool finished = false;
 162                 while (!finished) {
 163                         switch (dialog.run ()) {
 164                         case Gtk::RESPONSE_ACCEPT:
 165                                 finished = process_midi_export_dialog (dialog, midi_region);
 166                                 break;
 167                         default:
 168                                 return;
 169                         }
 170                 }
 171         }
 172 }
 173
 174 int
 175 Editor::write_region_selection (RegionSelection& regions)
 176 {
 177         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 178                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 179                 if (arv) {
 180                         if (write_region ("", arv->audio_region()) == false)
 181                                 return -1;
 182                 }
 183
 184                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
 185                 if (mrv) {
 186                         warning << "MIDI region export not implemented" << endmsg;
 187                 }
 188         }
 189
 190         return 0;
 191 }
 192
 193 void
 194 Editor::bounce_region_selection (bool with_processing)
 195 {
 196         /* no need to check for bounceable() because this operation never puts
 197          * its results back in the playlist (only in the region list).
 198          */
 199
 200         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 201
 202                 boost::shared_ptr<Region> region ((*i)->region());
 203                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&(*i)->get_time_axis_view());
 204                 boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (rtv->route());
 205
 206                 InterThreadInfo itt;
 207
 208                 boost::shared_ptr<Region> r;
 209
 210                 if (with_processing) {
 211                         r = track->bounce_range (region->position(), region->position() + region->length(), itt, track->main_outs(), false);
 212                 } else {
 213                         r = track->bounce_range (region->position(), region->position() + region->length(), itt, boost::shared_ptr<Processor>(), false);
 214                 }
 215         }
 216 }
 217
 218 bool
 219 Editor::write_region (string path, boost::shared_ptr<AudioRegion> region)
 220 {
 221         boost::shared_ptr<AudioFileSource> fs;
 222         const samplepos_t chunk_size = 4096;
 223         samplepos_t to_read;
 224         Sample buf[chunk_size];
 225         gain_t gain_buffer[chunk_size];
 226         samplepos_t pos;
 227         char s[PATH_MAX+1];
 228         uint32_t cnt;
 229         vector<boost::shared_ptr<AudioFileSource> > sources;
 230         uint32_t nchans;
 231
 232         const string sound_directory = _session->session_directory().sound_path();
 233
 234         nchans = region->n_channels();
 235
 236         /* don't do duplicate of the entire source if that's what is going on here */
 237
 238         if (region->start() == 0 && region->length() == region->source_length(0)) {
 239                 /* XXX should link(2) to create a new inode with "path" */
 240                 return true;
 241         }
 242
 243         if (path.length() == 0) {
 244
 245                 for (uint32_t n=0; n < nchans; ++n) {
 246
 247                         for (cnt = 0; cnt < 999999; ++cnt) {
 248                                 if (nchans == 1) {
 249                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 250                                                   legalize_for_path(region->name()).c_str(), cnt);
 251                                 }
 252                                 else {
 253                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 254                                                   legalize_for_path(region->name()).c_str(), cnt, n);
 255                                 }
 256
 257                                 path = s;
 258
 259                                 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 260                                         break;
 261                                 }
 262                         }
 263
 264                         if (cnt == 999999) {
 265                                 error << "" << endmsg;
 266                                 goto error_out;
 267                         }
 268
 269
 270
 271                         try {
 272                                 fs = boost::dynamic_pointer_cast<AudioFileSource> (
 273                                         SourceFactory::createWritable (DataType::AUDIO, *_session,
 274                                                                        path, true,
 275                                                                        false, _session->sample_rate()));
 276                         }
 277
 278                         catch (failed_constructor& err) {
 279                                 goto error_out;
 280                         }
 281
 282                         sources.push_back (fs);
 283                 }
 284         }
 285         else {
 286                 /* TODO: make filesources based on passed path */
 287
 288         }
 289
 290         to_read = region->length();
 291         pos = region->position();
 292
 293         while (to_read) {
 294                 samplepos_t this_time;
 295
 296                 this_time = min (to_read, chunk_size);
 297
 298                 for (vector<boost::shared_ptr<AudioFileSource> >::iterator src=sources.begin(); src != sources.end(); ++src) {
 299
 300                         fs = (*src);
 301
 302                         if (region->read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
 303                                 break;
 304                         }
 305
 306                         if (fs->write (buf, this_time) != this_time) {
 307                                 error << "" << endmsg;
 308                                 goto error_out;
 309                         }
 310                 }
 311
 312                 to_read -= this_time;
 313                 pos += this_time;
 314         }
 315
 316         time_t tnow;
 317         struct tm* now;
 318         time (&tnow);
 319         now = localtime (&tnow);
 320
 321         for (vector<boost::shared_ptr<AudioFileSource> >::iterator src = sources.begin(); src != sources.end(); ++src) {
 322                 (*src)->update_header (0, *now, tnow);
 323                 (*src)->mark_immutable ();
 324         }
 325
 326         return true;
 327
 328 error_out:
 329
 330         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 331                 (*i)->mark_for_remove ();
 332         }
 333
 334         return 0;
 335 }
 336
 337 int
 338 Editor::write_audio_selection (TimeSelection& ts)
 339 {
 340         int ret = 0;
 341
 342         if (selection->tracks.empty()) {
 343                 return 0;
 344         }
 345
 346         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 347
 348                 AudioTimeAxisView* atv;
 349
 350                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 351                         continue;
 352                 }
 353
 354                 if (atv->is_audio_track()) {
 355
 356                         boost::shared_ptr<AudioPlaylist> playlist = boost::dynamic_pointer_cast<AudioPlaylist>(atv->track()->playlist());
 357
 358                         if (playlist && write_audio_range (*playlist, atv->track()->n_channels(), ts) == 0) {
 359                                 ret = -1;
 360                                 break;
 361                         }
 362                 }
 363         }
 364
 365         return ret;
 366 }
 367
 368 bool
 369 Editor::write_audio_range (AudioPlaylist& playlist, const ChanCount& count, list<AudioRange>& range)
 370 {
 371         boost::shared_ptr<AudioFileSource> fs;
 372         const samplepos_t chunk_size = 4096;
 373         samplepos_t nframes;
 374         Sample buf[chunk_size];
 375         gain_t gain_buffer[chunk_size];
 376         samplepos_t pos;
 377         char s[PATH_MAX+1];
 378         uint32_t cnt;
 379         string path;
 380         vector<boost::shared_ptr<AudioFileSource> > sources;
 381
 382         const string sound_directory = _session->session_directory().sound_path();
 383
 384         uint32_t channels = count.n_audio();
 385
 386         for (uint32_t n=0; n < channels; ++n) {
 387
 388                 for (cnt = 0; cnt < 999999; ++cnt) {
 389                         if (channels == 1) {
 390                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 391                                           legalize_for_path(playlist.name()).c_str(), cnt);
 392                         }
 393                         else {
 394                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 395                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 396                         }
 397
 398                         if (!Glib::file_test (s, Glib::FILE_TEST_EXISTS)) {
 399                                 break;
 400                         }
 401                 }
 402
 403                 if (cnt == 999999) {
 404                         error << "" << endmsg;
 405                         goto error_out;
 406                 }
 407
 408                 path = s;
 409
 410                 try {
 411                         fs = boost::dynamic_pointer_cast<AudioFileSource> (
 412                                 SourceFactory::createWritable (DataType::AUDIO, *_session,
 413                                                                path, true,
 414                                                                false, _session->sample_rate()));
 415                 }
 416
 417                 catch (failed_constructor& err) {
 418                         goto error_out;
 419                 }
 420
 421                 sources.push_back (fs);
 422
 423         }
 424
 425
 426         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 427
 428                 nframes = (*i).length();
 429                 pos = (*i).start;
 430
 431                 while (nframes) {
 432                         samplepos_t this_time;
 433
 434                         this_time = min (nframes, chunk_size);
 435
 436                         for (uint32_t n=0; n < channels; ++n) {
 437
 438                                 fs = sources[n];
 439
 440                                 if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
 441                                         break;
 442                                 }
 443
 444                                 if (fs->write (buf, this_time) != this_time) {
 445                                         goto error_out;
 446                                 }
 447                         }
 448
 449                         nframes -= this_time;
 450                         pos += this_time;
 451                 }
 452
 453                 list<AudioRange>::iterator tmp = i;
 454                 ++tmp;
 455
 456                 if (tmp != range.end()) {
 457
 458                         /* fill gaps with silence */
 459
 460                         nframes = (*tmp).start - (*i).end;
 461
 462                         while (nframes) {
 463
 464                                 samplepos_t this_time = min (nframes, chunk_size);
 465                                 memset (buf, 0, sizeof (Sample) * this_time);
 466
 467                                 for (uint32_t n=0; n < channels; ++n) {
 468
 469                                         fs = sources[n];
 470                                         if (fs->write (buf, this_time) != this_time) {
 471                                                 goto error_out;
 472                                         }
 473                                 }
 474
 475                                 nframes -= this_time;
 476                         }
 477                 }
 478
 479                 i = tmp;
 480         }
 481
 482         time_t tnow;
 483         struct tm* now;
 484         time (&tnow);
 485         now = localtime (&tnow);
 486
 487         for (vector<boost::shared_ptr<AudioFileSource> >::iterator s = sources.begin(); s != sources.end(); ++s) {
 488                 (*s)->update_header (0, *now, tnow);
 489                 (*s)->mark_immutable ();
 490                 // do we need to ref it again?
 491         }
 492
 493         return true;
 494
 495 error_out:
 496         /* unref created files */
 497
 498         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 499                 (*i)->mark_for_remove ();
 500         }
 501
 502         return false;
 503 }
 504
 505 void
 506 Editor::write_selection ()
 507 {
 508         if (!selection->time.empty()) {
 509                 write_audio_selection (selection->time);
 510         } else if (!selection->regions.empty()) {
 511                 write_region_selection (selection->regions);
 512         }
 513 }