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 #define __STDC_FORMAT_MACROS 1
  23 #include <inttypes.h>
  24 #include <unistd.h>
  25 #include <climits>
  26
  27 #include <gtkmm/messagedialog.h>
  28
  29 #include "export_dialog.h"
  30 #include "editor.h"
  31 #include "public_editor.h"
  32 #include "selection.h"
  33 #include "time_axis_view.h"
  34 #include "audio_time_axis.h"
  35 #include "audio_region_view.h"
  36 #include "midi_region_view.h"
  37
  38 #include "pbd/pthread_utils.h"
  39 #include "ardour/types.h"
  40 #include "ardour/audio_track.h"
  41 #include "ardour/audiofilesource.h"
  42 #include "ardour/audio_diskstream.h"
  43 #include "ardour/audioregion.h"
  44 #include "ardour/audioplaylist.h"
  45 #include "ardour/chan_count.h"
  46 #include "ardour/session_directory.h"
  47 #include "ardour/source_factory.h"
  48 #include "ardour/audiofilesource.h"
  49 #include "ardour/session.h"
  50
  51 #include "i18n.h"
  52
  53 using namespace std;
  54 using namespace ARDOUR;
  55 using namespace PBD;
  56 using namespace Gtk;
  57
  58 void
  59 Editor::export_audio ()
  60 {
  61         ExportDialog dialog (*this);
  62         dialog.set_session (_session);
  63         dialog.run();
  64 }
  65
  66 void
  67 Editor::export_selection ()
  68 {
  69         ExportSelectionDialog dialog (*this);
  70         dialog.set_session (_session);
  71         dialog.run();
  72 }
  73
  74 void
  75 Editor::export_range ()
  76 {
  77         Marker* marker;
  78
  79         if ((marker = reinterpret_cast<Marker *> (marker_menu_item->get_data ("marker"))) == 0) {
  80                 fatal << _("programming error: marker canvas item has no marker object pointer!") << endmsg;
  81                 /*NOTREACHED*/
  82         }
  83
  84         Location* l;
  85         bool is_start;
  86
  87         if (((l = find_location_from_marker (marker, is_start)) != 0) && (l->end() > l->start())) {
  88                 ExportRangeDialog dialog (*this, l->id().to_s());
  89                 dialog.set_session (_session);
  90                 dialog.run();
  91         }
  92 }
  93
  94 /** Export the first selected region */
  95 void
  96 Editor::export_region ()
  97 {
  98         if (selection->regions.empty()) {
  99                 return;
 100         }
 101
 102         try {
 103                 boost::shared_ptr<Region> r = selection->regions.front()->region();
 104                 AudioRegion & region (dynamic_cast<AudioRegion &> (*r));
 105
 106                 RouteTimeAxisView & rtv (dynamic_cast<RouteTimeAxisView &> (selection->regions.front()->get_time_axis_view()));
 107                 AudioTrack & track (dynamic_cast<AudioTrack &> (*rtv.route()));
 108
 109                 ExportRegionDialog dialog (*this, region, track);
 110                 dialog.set_session (_session);
 111                 dialog.run();
 112
 113         } catch (std::bad_cast & e) {
 114                 error << "Exporting Region failed!" << endmsg;
 115                 return;
 116         }
 117 }
 118
 119 int
 120 Editor::write_region_selection (RegionSelection& regions)
 121 {
 122         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 123                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 124                 if (arv) {
 125                         if (write_region ("", arv->audio_region()) == false)
 126                                 return -1;
 127                 }
 128
 129                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
 130                 if (mrv) {
 131                         warning << "MIDI region export not implemented" << endmsg;
 132                 }
 133         }
 134
 135         return 0;
 136 }
 137
 138 void
 139 Editor::bounce_region_selection ()
 140 {
 141         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 142
 143                 boost::shared_ptr<Region> region ((*i)->region());
 144                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&(*i)->get_time_axis_view());
 145                 Track* track = dynamic_cast<Track*>(rtv->route().get());
 146
 147                 InterThreadInfo itt;
 148
 149                 itt.done = false;
 150                 itt.cancel = false;
 151                 itt.progress = 0.0f;
 152
 153                 boost::shared_ptr<Region> r = track->bounce_range (region->position(), region->position() + region->length(), itt);
 154                 cerr << "Result of bounce of "
 155                      << region->name() << " len = " << region->length()
 156                      << " was "
 157                      << r->name() << " len = " << r->length()
 158                      << endl;
 159         }
 160 }
 161
 162 bool
 163 Editor::write_region (string path, boost::shared_ptr<AudioRegion> region)
 164 {
 165         boost::shared_ptr<AudioFileSource> fs;
 166         const nframes64_t chunk_size = 4096;
 167         nframes64_t to_read;
 168         Sample buf[chunk_size];
 169         gain_t gain_buffer[chunk_size];
 170         nframes64_t pos;
 171         char s[PATH_MAX+1];
 172         uint32_t cnt;
 173         vector<boost::shared_ptr<AudioFileSource> > sources;
 174         uint32_t nchans;
 175
 176         const string sound_directory = _session->session_directory().sound_path().to_string();
 177
 178         nchans = region->n_channels();
 179
 180         /* don't do duplicate of the entire source if that's what is going on here */
 181
 182         if (region->start() == 0 && region->length() == region->source_length(0)) {
 183                 /* XXX should link(2) to create a new inode with "path" */
 184                 return true;
 185         }
 186
 187         if (path.length() == 0) {
 188
 189                 for (uint32_t n=0; n < nchans; ++n) {
 190
 191                         for (cnt = 0; cnt < 999999; ++cnt) {
 192                                 if (nchans == 1) {
 193                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 194                                                   legalize_for_path(region->name()).c_str(), cnt);
 195                                 }
 196                                 else {
 197                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 198                                                   legalize_for_path(region->name()).c_str(), cnt, n);
 199                                 }
 200
 201                                 path = s;
 202
 203                                 if (::access (path.c_str(), F_OK) != 0) {
 204                                         break;
 205                                 }
 206                         }
 207
 208                         if (cnt == 999999) {
 209                                 error << "" << endmsg;
 210                                 goto error_out;
 211                         }
 212
 213
 214
 215                         try {
 216                                 fs = boost::dynamic_pointer_cast<AudioFileSource> (
 217                                                 SourceFactory::createWritable (DataType::AUDIO, *_session,
 218                                                                 path, true,
 219                                                                 false, _session->frame_rate()));
 220                         }
 221
 222                         catch (failed_constructor& err) {
 223                                 goto error_out;
 224                         }
 225
 226                         sources.push_back (fs);
 227                 }
 228         }
 229         else {
 230                 /* TODO: make filesources based on passed path */
 231
 232         }
 233
 234         to_read = region->length();
 235         pos = region->position();
 236
 237         while (to_read) {
 238                 nframes64_t this_time;
 239
 240                 this_time = min (to_read, chunk_size);
 241
 242                 for (vector<boost::shared_ptr<AudioFileSource> >::iterator src=sources.begin(); src != sources.end(); ++src) {
 243
 244                         fs = (*src);
 245
 246                         if (region->read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
 247                                 break;
 248                         }
 249
 250                         if (fs->write (buf, this_time) != this_time) {
 251                                 error << "" << endmsg;
 252                                 goto error_out;
 253                         }
 254                 }
 255
 256                 to_read -= this_time;
 257                 pos += this_time;
 258         }
 259
 260         time_t tnow;
 261         struct tm* now;
 262         time (&tnow);
 263         now = localtime (&tnow);
 264
 265         for (vector<boost::shared_ptr<AudioFileSource> >::iterator src = sources.begin(); src != sources.end(); ++src) {
 266                 (*src)->update_header (0, *now, tnow);
 267                 (*src)->mark_immutable ();
 268         }
 269
 270         return true;
 271
 272 error_out:
 273
 274         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 275                 (*i)->mark_for_remove ();
 276         }
 277
 278         return 0;
 279 }
 280
 281 int
 282 Editor::write_audio_selection (TimeSelection& ts)
 283 {
 284         int ret = 0;
 285
 286         if (selection->tracks.empty()) {
 287                 return 0;
 288         }
 289
 290         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 291
 292                 AudioTimeAxisView* atv;
 293
 294                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 295                         continue;
 296                 }
 297
 298                 if (atv->is_audio_track()) {
 299
 300                         boost::shared_ptr<AudioPlaylist> playlist = boost::dynamic_pointer_cast<AudioPlaylist>(atv->track()->playlist());
 301
 302                         if (playlist && write_audio_range (*playlist, atv->track()->n_channels(), ts) == 0) {
 303                                 ret = -1;
 304                                 break;
 305                         }
 306                 }
 307         }
 308
 309         return ret;
 310 }
 311
 312 bool
 313 Editor::write_audio_range (AudioPlaylist& playlist, const ChanCount& count, list<AudioRange>& range)
 314 {
 315         boost::shared_ptr<AudioFileSource> fs;
 316         const nframes64_t chunk_size = 4096;
 317         nframes64_t nframes;
 318         Sample buf[chunk_size];
 319         gain_t gain_buffer[chunk_size];
 320         nframes64_t pos;
 321         char s[PATH_MAX+1];
 322         uint32_t cnt;
 323         string path;
 324         vector<boost::shared_ptr<AudioFileSource> > sources;
 325
 326         const string sound_directory = _session->session_directory().sound_path().to_string();
 327
 328         uint32_t channels = count.n_audio();
 329
 330         for (uint32_t n=0; n < channels; ++n) {
 331
 332                 for (cnt = 0; cnt < 999999; ++cnt) {
 333                         if (channels == 1) {
 334                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 335                                           legalize_for_path(playlist.name()).c_str(), cnt);
 336                         }
 337                         else {
 338                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 339                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 340                         }
 341
 342                         if (::access (s, F_OK) != 0) {
 343                                 break;
 344                         }
 345                 }
 346
 347                 if (cnt == 999999) {
 348                         error << "" << endmsg;
 349                         goto error_out;
 350                 }
 351
 352                 path = s;
 353
 354                 try {
 355                         fs = boost::dynamic_pointer_cast<AudioFileSource> (
 356                                         SourceFactory::createWritable (DataType::AUDIO, *_session,
 357                                                         path, true,
 358                                                         false, _session->frame_rate()));
 359                 }
 360
 361                 catch (failed_constructor& err) {
 362                         goto error_out;
 363                 }
 364
 365                 sources.push_back (fs);
 366
 367         }
 368
 369
 370         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 371
 372                 nframes = (*i).length();
 373                 pos = (*i).start;
 374
 375                 while (nframes) {
 376                         nframes64_t this_time;
 377
 378                         this_time = min (nframes, chunk_size);
 379
 380                         for (uint32_t n=0; n < channels; ++n) {
 381
 382                                 fs = sources[n];
 383
 384                                 if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
 385                                         break;
 386                                 }
 387
 388                                 if (fs->write (buf, this_time) != this_time) {
 389                                         goto error_out;
 390                                 }
 391                         }
 392
 393                         nframes -= this_time;
 394                         pos += this_time;
 395                 }
 396
 397                 list<AudioRange>::iterator tmp = i;
 398                 ++tmp;
 399
 400                 if (tmp != range.end()) {
 401
 402                         /* fill gaps with silence */
 403
 404                         nframes = (*tmp).start - (*i).end;
 405
 406                         while (nframes) {
 407
 408                                 nframes64_t this_time = min (nframes, chunk_size);
 409                                 memset (buf, 0, sizeof (Sample) * this_time);
 410
 411                                 for (uint32_t n=0; n < channels; ++n) {
 412
 413                                         fs = sources[n];
 414                                         if (fs->write (buf, this_time) != this_time) {
 415                                                 goto error_out;
 416                                         }
 417                                 }
 418
 419                                 nframes -= this_time;
 420                         }
 421                 }
 422
 423                 i = tmp;
 424         }
 425
 426         time_t tnow;
 427         struct tm* now;
 428         time (&tnow);
 429         now = localtime (&tnow);
 430
 431         for (vector<boost::shared_ptr<AudioFileSource> >::iterator s = sources.begin(); s != sources.end(); ++s) {
 432                 (*s)->update_header (0, *now, tnow);
 433                 (*s)->mark_immutable ();
 434                 // do we need to ref it again?
 435         }
 436
 437         return true;
 438
 439 error_out:
 440         /* unref created files */
 441
 442         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 443                 (*i)->mark_for_remove ();
 444         }
 445
 446         return false;
 447 }
 448
 449 void
 450 Editor::write_selection ()
 451 {
 452         if (!selection->time.empty()) {
 453                 write_audio_selection (selection->time);
 454         } else if (!selection->regions.empty()) {
 455                 write_region_selection (selection->regions);
 456         }
 457 }