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