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