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 (bool with_processing)
 149 {
 150         /* no need to check for bounceable() because this operation never puts
 151          * its results back in the playlist (only in the region list).
 152          */
 153
 154         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 155
 156                 boost::shared_ptr<Region> region ((*i)->region());
 157                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&(*i)->get_time_axis_view());
 158                 boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (rtv->route());
 159
 160                 InterThreadInfo itt;
 161
 162                 boost::shared_ptr<Region> r = track->bounce_range (region->position(), region->position() + region->length(), itt, with_processing);
 163         }
 164 }
 165
 166 bool
 167 Editor::write_region (string path, boost::shared_ptr<AudioRegion> region)
 168 {
 169         boost::shared_ptr<AudioFileSource> fs;
 170         const framepos_t chunk_size = 4096;
 171         framepos_t to_read;
 172         Sample buf[chunk_size];
 173         gain_t gain_buffer[chunk_size];
 174         framepos_t pos;
 175         char s[PATH_MAX+1];
 176         uint32_t cnt;
 177         vector<boost::shared_ptr<AudioFileSource> > sources;
 178         uint32_t nchans;
 179
 180         const string sound_directory = _session->session_directory().sound_path().to_string();
 181
 182         nchans = region->n_channels();
 183
 184         /* don't do duplicate of the entire source if that's what is going on here */
 185
 186         if (region->start() == 0 && region->length() == region->source_length(0)) {
 187                 /* XXX should link(2) to create a new inode with "path" */
 188                 return true;
 189         }
 190
 191         if (path.length() == 0) {
 192
 193                 for (uint32_t n=0; n < nchans; ++n) {
 194
 195                         for (cnt = 0; cnt < 999999; ++cnt) {
 196                                 if (nchans == 1) {
 197                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 198                                                   legalize_for_path(region->name()).c_str(), cnt);
 199                                 }
 200                                 else {
 201                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 202                                                   legalize_for_path(region->name()).c_str(), cnt, n);
 203                                 }
 204
 205                                 path = s;
 206
 207                                 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 208                                         break;
 209                                 }
 210                         }
 211
 212                         if (cnt == 999999) {
 213                                 error << "" << endmsg;
 214                                 goto error_out;
 215                         }
 216
 217
 218
 219                         try {
 220                                 fs = boost::dynamic_pointer_cast<AudioFileSource> (
 221                                         SourceFactory::createWritable (DataType::AUDIO, *_session,
 222                                                                        path, string(), true,
 223                                                                        false, _session->frame_rate()));
 224                         }
 225
 226                         catch (failed_constructor& err) {
 227                                 goto error_out;
 228                         }
 229
 230                         sources.push_back (fs);
 231                 }
 232         }
 233         else {
 234                 /* TODO: make filesources based on passed path */
 235
 236         }
 237
 238         to_read = region->length();
 239         pos = region->position();
 240
 241         while (to_read) {
 242                 framepos_t this_time;
 243
 244                 this_time = min (to_read, chunk_size);
 245
 246                 for (vector<boost::shared_ptr<AudioFileSource> >::iterator src=sources.begin(); src != sources.end(); ++src) {
 247
 248                         fs = (*src);
 249
 250                         if (region->read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
 251                                 break;
 252                         }
 253
 254                         if (fs->write (buf, this_time) != this_time) {
 255                                 error << "" << endmsg;
 256                                 goto error_out;
 257                         }
 258                 }
 259
 260                 to_read -= this_time;
 261                 pos += this_time;
 262         }
 263
 264         time_t tnow;
 265         struct tm* now;
 266         time (&tnow);
 267         now = localtime (&tnow);
 268
 269         for (vector<boost::shared_ptr<AudioFileSource> >::iterator src = sources.begin(); src != sources.end(); ++src) {
 270                 (*src)->update_header (0, *now, tnow);
 271                 (*src)->mark_immutable ();
 272         }
 273
 274         return true;
 275
 276 error_out:
 277
 278         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 279                 (*i)->mark_for_remove ();
 280         }
 281
 282         return 0;
 283 }
 284
 285 int
 286 Editor::write_audio_selection (TimeSelection& ts)
 287 {
 288         int ret = 0;
 289
 290         if (selection->tracks.empty()) {
 291                 return 0;
 292         }
 293
 294         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 295
 296                 AudioTimeAxisView* atv;
 297
 298                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 299                         continue;
 300                 }
 301
 302                 if (atv->is_audio_track()) {
 303
 304                         boost::shared_ptr<AudioPlaylist> playlist = boost::dynamic_pointer_cast<AudioPlaylist>(atv->track()->playlist());
 305
 306                         if (playlist && write_audio_range (*playlist, atv->track()->n_channels(), ts) == 0) {
 307                                 ret = -1;
 308                                 break;
 309                         }
 310                 }
 311         }
 312
 313         return ret;
 314 }
 315
 316 bool
 317 Editor::write_audio_range (AudioPlaylist& playlist, const ChanCount& count, list<AudioRange>& range)
 318 {
 319         boost::shared_ptr<AudioFileSource> fs;
 320         const framepos_t chunk_size = 4096;
 321         framepos_t nframes;
 322         Sample buf[chunk_size];
 323         gain_t gain_buffer[chunk_size];
 324         framepos_t pos;
 325         char s[PATH_MAX+1];
 326         uint32_t cnt;
 327         string path;
 328         vector<boost::shared_ptr<AudioFileSource> > sources;
 329
 330         const string sound_directory = _session->session_directory().sound_path().to_string();
 331
 332         uint32_t channels = count.n_audio();
 333
 334         for (uint32_t n=0; n < channels; ++n) {
 335
 336                 for (cnt = 0; cnt < 999999; ++cnt) {
 337                         if (channels == 1) {
 338                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 339                                           legalize_for_path(playlist.name()).c_str(), cnt);
 340                         }
 341                         else {
 342                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 343                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 344                         }
 345
 346                         if (!Glib::file_test (s, Glib::FILE_TEST_EXISTS)) {
 347                                 break;
 348                         }
 349                 }
 350
 351                 if (cnt == 999999) {
 352                         error << "" << endmsg;
 353                         goto error_out;
 354                 }
 355
 356                 path = s;
 357
 358                 try {
 359                         fs = boost::dynamic_pointer_cast<AudioFileSource> (
 360                                 SourceFactory::createWritable (DataType::AUDIO, *_session,
 361                                                                path, string(), true,
 362                                                                false, _session->frame_rate()));
 363                 }
 364
 365                 catch (failed_constructor& err) {
 366                         goto error_out;
 367                 }
 368
 369                 sources.push_back (fs);
 370
 371         }
 372
 373
 374         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 375
 376                 nframes = (*i).length();
 377                 pos = (*i).start;
 378
 379                 while (nframes) {
 380                         framepos_t this_time;
 381
 382                         this_time = min (nframes, chunk_size);
 383
 384                         for (uint32_t n=0; n < channels; ++n) {
 385
 386                                 fs = sources[n];
 387
 388                                 if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
 389                                         break;
 390                                 }
 391
 392                                 if (fs->write (buf, this_time) != this_time) {
 393                                         goto error_out;
 394                                 }
 395                         }
 396
 397                         nframes -= this_time;
 398                         pos += this_time;
 399                 }
 400
 401                 list<AudioRange>::iterator tmp = i;
 402                 ++tmp;
 403
 404                 if (tmp != range.end()) {
 405
 406                         /* fill gaps with silence */
 407
 408                         nframes = (*tmp).start - (*i).end;
 409
 410                         while (nframes) {
 411
 412                                 framepos_t this_time = min (nframes, chunk_size);
 413                                 memset (buf, 0, sizeof (Sample) * this_time);
 414
 415                                 for (uint32_t n=0; n < channels; ++n) {
 416
 417                                         fs = sources[n];
 418                                         if (fs->write (buf, this_time) != this_time) {
 419                                                 goto error_out;
 420                                         }
 421                                 }
 422
 423                                 nframes -= this_time;
 424                         }
 425                 }
 426
 427                 i = tmp;
 428         }
 429
 430         time_t tnow;
 431         struct tm* now;
 432         time (&tnow);
 433         now = localtime (&tnow);
 434
 435         for (vector<boost::shared_ptr<AudioFileSource> >::iterator s = sources.begin(); s != sources.end(); ++s) {
 436                 (*s)->update_header (0, *now, tnow);
 437                 (*s)->mark_immutable ();
 438                 // do we need to ref it again?
 439         }
 440
 441         return true;
 442
 443 error_out:
 444         /* unref created files */
 445
 446         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 447                 (*i)->mark_for_remove ();
 448         }
 449
 450         return false;
 451 }
 452
 453 void
 454 Editor::write_selection ()
 455 {
 456         if (!selection->time.empty()) {
 457                 write_audio_selection (selection->time);
 458         } else if (!selection->regions.empty()) {
 459                 write_region_selection (selection->regions);
 460         }
 461 }