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