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 #include <unistd.h>
  21 #include <climits>
  22
  23 #include <gtkmm/messagedialog.h>
  24
  25 #include "export_session_dialog.h"
  26 #include "export_region_dialog.h"
  27 #include "export_range_markers_dialog.h"
  28 #include "editor.h"
  29 #include "public_editor.h"
  30 #include "selection.h"
  31 #include "time_axis_view.h"
  32 #include "audio_time_axis.h"
  33 #include "audio_region_view.h"
  34
  35 #include <pbd/pthread_utils.h>
  36 #include <ardour/types.h>
  37 #include <ardour/export.h>
  38 #include <ardour/audio_track.h>
  39 #include <ardour/audiofilesource.h>
  40 #include <ardour/audio_diskstream.h>
  41 #include <ardour/audioregion.h>
  42 #include <ardour/audioplaylist.h>
  43 #include <ardour/source_factory.h>
  44 #include <ardour/audiofilesource.h>
  45
  46 #include "i18n.h"
  47
  48 using namespace std;
  49 using namespace ARDOUR;
  50 using namespace PBD;
  51 using namespace Gtk;
  52
  53 void
  54 Editor::export_session()
  55 {
  56         if (session) {
  57                 export_range (session->current_start_frame(), session->current_end_frame());
  58         }
  59 }
  60
  61 void
  62 Editor::export_selection ()
  63 {
  64         if (session) {
  65                 if (selection->time.empty()) {
  66                         MessageDialog message (*this, _("There is no selection to export.\n\nSelect a selection using the range mouse mode"));
  67                         message.run ();
  68                         return;
  69                 }
  70
  71                 export_range (selection->time.front().start, selection->time.front().end);
  72         }
  73 }
  74
  75 void
  76 Editor::export_range (nframes_t start, nframes_t end)
  77 {
  78         if (session) {
  79                 if (export_dialog == 0) {
  80                         export_dialog = new ExportSessionDialog (*this);
  81                 }
  82
  83                 export_dialog->connect_to_session (session);
  84                 export_dialog->set_range (start, end);
  85                 export_dialog->start_export();
  86         }
  87 }
  88
  89 void
  90 Editor::export_region ()
  91 {
  92         if (clicked_regionview == 0) {
  93                 return;
  94         }
  95
  96         ExportDialog* dialog = new ExportRegionDialog (*this, clicked_regionview->region());
  97
  98         dialog->connect_to_session (session);
  99         dialog->set_range (
 100                 clicked_regionview->region()->first_frame(),
 101                 clicked_regionview->region()->last_frame());
 102         dialog->start_export();
 103 }
 104
 105 void
 106 Editor::export_range_markers ()
 107 {
 108         if (session) {
 109
 110                 if (session->locations()->num_range_markers() == 0) {
 111                         MessageDialog message (*this, _("There are no ranges to export.\n\nCreate 1 or more ranges by dragging the mouse in the range bar"));
 112                         message.run ();
 113                         return;
 114                 }
 115
 116
 117                 if (export_range_markers_dialog == 0) {
 118                         export_range_markers_dialog = new ExportRangeMarkersDialog(*this);
 119                 }
 120
 121                 export_range_markers_dialog->connect_to_session (session);
 122                 export_range_markers_dialog->start_export();
 123         }
 124 }
 125
 126 int
 127 Editor::write_region_selection (RegionSelection& regions)
 128 {
 129         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 130                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 131                 if (arv)
 132                         if (write_region ("", arv->audio_region()) == false)
 133                                 return -1;
 134         }
 135
 136         return 0;
 137 }
 138
 139 void
 140 Editor::bounce_region_selection ()
 141 {
 142         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 143
 144                 boost::shared_ptr<Region> region ((*i)->region());
 145                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&(*i)->get_time_axis_view());
 146                 Track* track = dynamic_cast<Track*>(rtv->route().get());
 147
 148                 InterThreadInfo itt;
 149
 150                 itt.done = false;
 151                 itt.cancel = false;
 152                 itt.progress = 0.0f;
 153
 154                 track->bounce_range (region->position(), region->position() + region->length(), itt);
 155         }
 156 }
 157
 158 bool
 159 Editor::write_region (string path, boost::shared_ptr<AudioRegion> region)
 160 {
 161         boost::shared_ptr<AudioFileSource> fs;
 162         const nframes_t chunk_size = 4096;
 163         nframes_t to_read;
 164         Sample buf[chunk_size];
 165         gain_t gain_buffer[chunk_size];
 166         nframes_t pos;
 167         char s[PATH_MAX+1];
 168         uint32_t cnt;
 169         vector<boost::shared_ptr<AudioFileSource> > sources;
 170         uint32_t nchans;
 171
 172         nchans = region->n_channels();
 173
 174         /* don't do duplicate of the entire source if that's what is going on here */
 175
 176         if (region->start() == 0 && region->length() == region->source()->length()) {
 177                 /* XXX should link(2) to create a new inode with "path" */
 178                 return true;
 179         }
 180
 181         if (path.length() == 0) {
 182
 183                 for (uint32_t n=0; n < nchans; ++n) {
 184
 185                         for (cnt = 0; cnt < 999999; ++cnt) {
 186                                 if (nchans == 1) {
 187                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 188                                                   legalize_for_path(region->name()).c_str(), cnt);
 189                                 }
 190                                 else {
 191                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 192                                                   legalize_for_path(region->name()).c_str(), cnt, n);
 193                                 }
 194
 195                                 path = s;
 196
 197                                 if (::access (path.c_str(), F_OK) != 0) {
 198                                         break;
 199                                 }
 200                         }
 201
 202                         if (cnt == 999999) {
 203                                 error << "" << endmsg;
 204                                 goto error_out;
 205                         }
 206
 207
 208
 209                         try {
 210                                 fs = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (*session, path, false, session->frame_rate()));
 211                         }
 212
 213                         catch (failed_constructor& err) {
 214                                 goto error_out;
 215                         }
 216
 217                         sources.push_back (fs);
 218                 }
 219         }
 220         else {
 221                 /* TODO: make filesources based on passed path */
 222
 223         }
 224
 225         to_read = region->length();
 226         pos = region->position();
 227
 228         while (to_read) {
 229                 nframes_t this_time;
 230
 231                 this_time = min (to_read, chunk_size);
 232
 233                 for (vector<boost::shared_ptr<AudioFileSource> >::iterator src=sources.begin(); src != sources.end(); ++src) {
 234
 235                         fs = (*src);
 236
 237                         if (region->read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
 238                                 break;
 239                         }
 240
 241                         if (fs->write (buf, this_time) != this_time) {
 242                                 error << "" << endmsg;
 243                                 goto error_out;
 244                         }
 245                 }
 246
 247                 to_read -= this_time;
 248                 pos += this_time;
 249         }
 250
 251         time_t tnow;
 252         struct tm* now;
 253         time (&tnow);
 254         now = localtime (&tnow);
 255
 256         for (vector<boost::shared_ptr<AudioFileSource> >::iterator src = sources.begin(); src != sources.end(); ++src) {
 257                 (*src)->update_header (0, *now, tnow);
 258                 (*src)->mark_immutable ();
 259         }
 260
 261         return true;
 262
 263 error_out:
 264
 265         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 266                 (*i)->mark_for_remove ();
 267         }
 268
 269         return 0;
 270 }
 271
 272 int
 273 Editor::write_audio_selection (TimeSelection& ts)
 274 {
 275         int ret = 0;
 276
 277         if (selection->tracks.empty()) {
 278                 return 0;
 279         }
 280
 281         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 282
 283                 AudioTimeAxisView* atv;
 284
 285                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 286                         continue;
 287                 }
 288
 289                 if (atv->is_audio_track()) {
 290
 291                         boost::shared_ptr<AudioPlaylist> playlist = boost::dynamic_pointer_cast<AudioPlaylist>(atv->get_diskstream()->playlist());
 292
 293                         if (playlist && write_audio_range (*playlist, atv->get_diskstream()->n_channels(), ts) == 0) {
 294                                 ret = -1;
 295                                 break;
 296                         }
 297                 }
 298         }
 299
 300         return ret;
 301 }
 302
 303 bool
 304 Editor::write_audio_range (AudioPlaylist& playlist, uint32_t channels, list<AudioRange>& range)
 305 {
 306         boost::shared_ptr<AudioFileSource> fs;
 307         const nframes_t chunk_size = 4096;
 308         nframes_t nframes;
 309         Sample buf[chunk_size];
 310         gain_t gain_buffer[chunk_size];
 311         nframes_t pos;
 312         char s[PATH_MAX+1];
 313         uint32_t cnt;
 314         string path;
 315         vector<boost::shared_ptr<AudioFileSource> > sources;
 316
 317         for (uint32_t n=0; n < channels; ++n) {
 318
 319                 for (cnt = 0; cnt < 999999; ++cnt) {
 320                         if (channels == 1) {
 321                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 322                                           legalize_for_path(playlist.name()).c_str(), cnt);
 323                         }
 324                         else {
 325                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 326                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 327                         }
 328
 329                         if (::access (s, F_OK) != 0) {
 330                                 break;
 331                         }
 332                 }
 333
 334                 if (cnt == 999999) {
 335                         error << "" << endmsg;
 336                         goto error_out;
 337                 }
 338
 339                 path = s;
 340
 341                 try {
 342                         fs = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (*session, path, false, session->frame_rate()));
 343                 }
 344
 345                 catch (failed_constructor& err) {
 346                         goto error_out;
 347                 }
 348
 349                 sources.push_back (fs);
 350
 351         }
 352
 353
 354         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 355
 356                 nframes = (*i).length();
 357                 pos = (*i).start;
 358
 359                 while (nframes) {
 360                         nframes_t this_time;
 361
 362                         this_time = min (nframes, chunk_size);
 363
 364                         for (uint32_t n=0; n < channels; ++n) {
 365
 366                                 fs = sources[n];
 367
 368                                 if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
 369                                         break;
 370                                 }
 371
 372                                 if (fs->write (buf, this_time) != this_time) {
 373                                         goto error_out;
 374                                 }
 375                         }
 376
 377                         nframes -= this_time;
 378                         pos += this_time;
 379                 }
 380
 381                 list<AudioRange>::iterator tmp = i;
 382                 ++tmp;
 383
 384                 if (tmp != range.end()) {
 385
 386                         /* fill gaps with silence */
 387
 388                         nframes = (*tmp).start - (*i).end;
 389
 390                         while (nframes) {
 391
 392                                 nframes_t this_time = min (nframes, chunk_size);
 393                                 memset (buf, 0, sizeof (Sample) * this_time);
 394
 395                                 for (uint32_t n=0; n < channels; ++n) {
 396
 397                                         fs = sources[n];
 398                                         if (fs->write (buf, this_time) != this_time) {
 399                                                 goto error_out;
 400                                         }
 401                                 }
 402
 403                                 nframes -= this_time;
 404                         }
 405                 }
 406
 407                 i = tmp;
 408         }
 409
 410         time_t tnow;
 411         struct tm* now;
 412         time (&tnow);
 413         now = localtime (&tnow);
 414
 415         for (vector<boost::shared_ptr<AudioFileSource> >::iterator s = sources.begin(); s != sources.end(); ++s) {
 416                 (*s)->update_header (0, *now, tnow);
 417                 (*s)->mark_immutable ();
 418                 // do we need to ref it again?
 419         }
 420
 421         return true;
 422
 423 error_out:
 424         /* unref created files */
 425
 426         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 427                 (*i)->mark_for_remove ();
 428         }
 429
 430         return false;
 431 }
 432
 433 void
 434 Editor::write_selection ()
 435 {
 436         if (!selection->time.empty()) {
 437                 write_audio_selection (selection->time);
 438         } else if (!selection->regions.empty()) {
 439                 write_region_selection (selection->regions);
 440         }
 441 }