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"), X_("ExportProfile"));
  63         dialog.set_session (_session);
  64         dialog.run();
  65 }
  66
  67 void
  68 Editor::stem_export ()
  69 {
  70         StemExportDialog dialog (*this);
  71         dialog.set_session (_session);
  72         dialog.run();
  73 }
  74
  75 void
  76 Editor::export_selection ()
  77 {
  78         ExportSelectionDialog dialog (*this);
  79         dialog.set_session (_session);
  80         dialog.run();
  81 }
  82
  83 void
  84 Editor::export_range ()
  85 {
  86         Marker* marker;
  87
  88         if ((marker = reinterpret_cast<Marker *> (marker_menu_item->get_data ("marker"))) == 0) {
  89                 fatal << _("programming error: marker canvas item has no marker object pointer!") << endmsg;
  90                 /*NOTREACHED*/
  91         }
  92
  93         Location* l;
  94         bool is_start;
  95
  96         if (((l = find_location_from_marker (marker, is_start)) != 0) && (l->end() > l->start())) {
  97                 ExportRangeDialog dialog (*this, l->id().to_s());
  98                 dialog.set_session (_session);
  99                 dialog.run();
 100         }
 101 }
 102
 103 /** Export the first selected region */
 104 void
 105 Editor::export_region ()
 106 {
 107         if (selection->regions.empty()) {
 108                 return;
 109         }
 110
 111         try {
 112                 boost::shared_ptr<Region> r = selection->regions.front()->region();
 113                 AudioRegion & region (dynamic_cast<AudioRegion &> (*r));
 114
 115                 RouteTimeAxisView & rtv (dynamic_cast<RouteTimeAxisView &> (selection->regions.front()->get_time_axis_view()));
 116                 AudioTrack & track (dynamic_cast<AudioTrack &> (*rtv.route()));
 117
 118                 ExportRegionDialog dialog (*this, region, track);
 119                 dialog.set_session (_session);
 120                 dialog.run();
 121
 122         } catch (std::bad_cast & e) {
 123                 error << "Exporting Region failed!" << endmsg;
 124                 return;
 125         }
 126 }
 127
 128 int
 129 Editor::write_region_selection (RegionSelection& regions)
 130 {
 131         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 132                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 133                 if (arv) {
 134                         if (write_region ("", arv->audio_region()) == false)
 135                                 return -1;
 136                 }
 137
 138                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
 139                 if (mrv) {
 140                         warning << "MIDI region export not implemented" << endmsg;
 141                 }
 142         }
 143
 144         return 0;
 145 }
 146
 147 void
 148 Editor::bounce_region_selection ()
 149 {
 150         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 151
 152                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&(*i)->get_time_axis_view());
 153                 boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (rtv->route());
 154
 155                 if (!track->bounceable()) {
 156                         MessageDialog d (
 157                                 _("One or more of the selected regions' tracks cannot be bounced because it has more outputs than inputs.  "
 158                                   "You can fix this by increasing the number of inputs on that track.")
 159                                 );
 160                         d.set_title (_("Cannot bounce"));
 161                         d.run ();
 162                         return;
 163                 }
 164         }
 165
 166         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 167
 168                 boost::shared_ptr<Region> region ((*i)->region());
 169                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&(*i)->get_time_axis_view());
 170                 boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (rtv->route());
 171
 172                 InterThreadInfo itt;
 173
 174                 boost::shared_ptr<Region> r = track->bounce_range (region->position(), region->position() + region->length(), itt);
 175                 cerr << "Result of bounce of "
 176                      << region->name() << " len = " << region->length()
 177                      << " was "
 178                      << r->name() << " len = " << r->length()
 179                      << endl;
 180         }
 181 }
 182
 183 bool
 184 Editor::write_region (string path, boost::shared_ptr<AudioRegion> region)
 185 {
 186         boost::shared_ptr<AudioFileSource> fs;
 187         const framepos_t chunk_size = 4096;
 188         framepos_t to_read;
 189         Sample buf[chunk_size];
 190         gain_t gain_buffer[chunk_size];
 191         framepos_t pos;
 192         char s[PATH_MAX+1];
 193         uint32_t cnt;
 194         vector<boost::shared_ptr<AudioFileSource> > sources;
 195         uint32_t nchans;
 196
 197         const string sound_directory = _session->session_directory().sound_path().to_string();
 198
 199         nchans = region->n_channels();
 200
 201         /* don't do duplicate of the entire source if that's what is going on here */
 202
 203         if (region->start() == 0 && region->length() == region->source_length(0)) {
 204                 /* XXX should link(2) to create a new inode with "path" */
 205                 return true;
 206         }
 207
 208         if (path.length() == 0) {
 209
 210                 for (uint32_t n=0; n < nchans; ++n) {
 211
 212                         for (cnt = 0; cnt < 999999; ++cnt) {
 213                                 if (nchans == 1) {
 214                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 215                                                   legalize_for_path(region->name()).c_str(), cnt);
 216                                 }
 217                                 else {
 218                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 219                                                   legalize_for_path(region->name()).c_str(), cnt, n);
 220                                 }
 221
 222                                 path = s;
 223
 224                                 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 225                                         break;
 226                                 }
 227                         }
 228
 229                         if (cnt == 999999) {
 230                                 error << "" << endmsg;
 231                                 goto error_out;
 232                         }
 233
 234
 235
 236                         try {
 237                                 fs = boost::dynamic_pointer_cast<AudioFileSource> (
 238                                         SourceFactory::createWritable (DataType::AUDIO, *_session,
 239                                                                        path, string(), true,
 240                                                                        false, _session->frame_rate()));
 241                         }
 242
 243                         catch (failed_constructor& err) {
 244                                 goto error_out;
 245                         }
 246
 247                         sources.push_back (fs);
 248                 }
 249         }
 250         else {
 251                 /* TODO: make filesources based on passed path */
 252
 253         }
 254
 255         to_read = region->length();
 256         pos = region->position();
 257
 258         while (to_read) {
 259                 framepos_t this_time;
 260
 261                 this_time = min (to_read, chunk_size);
 262
 263                 for (vector<boost::shared_ptr<AudioFileSource> >::iterator src=sources.begin(); src != sources.end(); ++src) {
 264
 265                         fs = (*src);
 266
 267                         if (region->read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
 268                                 break;
 269                         }
 270
 271                         if (fs->write (buf, this_time) != this_time) {
 272                                 error << "" << endmsg;
 273                                 goto error_out;
 274                         }
 275                 }
 276
 277                 to_read -= this_time;
 278                 pos += this_time;
 279         }
 280
 281         time_t tnow;
 282         struct tm* now;
 283         time (&tnow);
 284         now = localtime (&tnow);
 285
 286         for (vector<boost::shared_ptr<AudioFileSource> >::iterator src = sources.begin(); src != sources.end(); ++src) {
 287                 (*src)->update_header (0, *now, tnow);
 288                 (*src)->mark_immutable ();
 289         }
 290
 291         return true;
 292
 293 error_out:
 294
 295         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 296                 (*i)->mark_for_remove ();
 297         }
 298
 299         return 0;
 300 }
 301
 302 int
 303 Editor::write_audio_selection (TimeSelection& ts)
 304 {
 305         int ret = 0;
 306
 307         if (selection->tracks.empty()) {
 308                 return 0;
 309         }
 310
 311         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 312
 313                 AudioTimeAxisView* atv;
 314
 315                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 316                         continue;
 317                 }
 318
 319                 if (atv->is_audio_track()) {
 320
 321                         boost::shared_ptr<AudioPlaylist> playlist = boost::dynamic_pointer_cast<AudioPlaylist>(atv->track()->playlist());
 322
 323                         if (playlist && write_audio_range (*playlist, atv->track()->n_channels(), ts) == 0) {
 324                                 ret = -1;
 325                                 break;
 326                         }
 327                 }
 328         }
 329
 330         return ret;
 331 }
 332
 333 bool
 334 Editor::write_audio_range (AudioPlaylist& playlist, const ChanCount& count, list<AudioRange>& range)
 335 {
 336         boost::shared_ptr<AudioFileSource> fs;
 337         const framepos_t chunk_size = 4096;
 338         framepos_t nframes;
 339         Sample buf[chunk_size];
 340         gain_t gain_buffer[chunk_size];
 341         framepos_t pos;
 342         char s[PATH_MAX+1];
 343         uint32_t cnt;
 344         string path;
 345         vector<boost::shared_ptr<AudioFileSource> > sources;
 346
 347         const string sound_directory = _session->session_directory().sound_path().to_string();
 348
 349         uint32_t channels = count.n_audio();
 350
 351         for (uint32_t n=0; n < channels; ++n) {
 352
 353                 for (cnt = 0; cnt < 999999; ++cnt) {
 354                         if (channels == 1) {
 355                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 356                                           legalize_for_path(playlist.name()).c_str(), cnt);
 357                         }
 358                         else {
 359                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 360                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 361                         }
 362
 363                         if (!Glib::file_test (s, Glib::FILE_TEST_EXISTS)) {
 364                                 break;
 365                         }
 366                 }
 367
 368                 if (cnt == 999999) {
 369                         error << "" << endmsg;
 370                         goto error_out;
 371                 }
 372
 373                 path = s;
 374
 375                 try {
 376                         fs = boost::dynamic_pointer_cast<AudioFileSource> (
 377                                 SourceFactory::createWritable (DataType::AUDIO, *_session,
 378                                                                path, string(), true,
 379                                                                false, _session->frame_rate()));
 380                 }
 381
 382                 catch (failed_constructor& err) {
 383                         goto error_out;
 384                 }
 385
 386                 sources.push_back (fs);
 387
 388         }
 389
 390
 391         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 392
 393                 nframes = (*i).length();
 394                 pos = (*i).start;
 395
 396                 while (nframes) {
 397                         framepos_t this_time;
 398
 399                         this_time = min (nframes, chunk_size);
 400
 401                         for (uint32_t n=0; n < channels; ++n) {
 402
 403                                 fs = sources[n];
 404
 405                                 if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
 406                                         break;
 407                                 }
 408
 409                                 if (fs->write (buf, this_time) != this_time) {
 410                                         goto error_out;
 411                                 }
 412                         }
 413
 414                         nframes -= this_time;
 415                         pos += this_time;
 416                 }
 417
 418                 list<AudioRange>::iterator tmp = i;
 419                 ++tmp;
 420
 421                 if (tmp != range.end()) {
 422
 423                         /* fill gaps with silence */
 424
 425                         nframes = (*tmp).start - (*i).end;
 426
 427                         while (nframes) {
 428
 429                                 framepos_t this_time = min (nframes, chunk_size);
 430                                 memset (buf, 0, sizeof (Sample) * this_time);
 431
 432                                 for (uint32_t n=0; n < channels; ++n) {
 433
 434                                         fs = sources[n];
 435                                         if (fs->write (buf, this_time) != this_time) {
 436                                                 goto error_out;
 437                                         }
 438                                 }
 439
 440                                 nframes -= this_time;
 441                         }
 442                 }
 443
 444                 i = tmp;
 445         }
 446
 447         time_t tnow;
 448         struct tm* now;
 449         time (&tnow);
 450         now = localtime (&tnow);
 451
 452         for (vector<boost::shared_ptr<AudioFileSource> >::iterator s = sources.begin(); s != sources.end(); ++s) {
 453                 (*s)->update_header (0, *now, tnow);
 454                 (*s)->mark_immutable ();
 455                 // do we need to ref it again?
 456         }
 457
 458         return true;
 459
 460 error_out:
 461         /* unref created files */
 462
 463         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 464                 (*i)->mark_for_remove ();
 465         }
 466
 467         return false;
 468 }
 469
 470 void
 471 Editor::write_selection ()
 472 {
 473         if (!selection->time.empty()) {
 474                 write_audio_selection (selection->time);
 475         } else if (!selection->regions.empty()) {
 476                 write_region_selection (selection->regions);
 477         }
 478 }