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     $Id$
  19 */
  20
  21 #include <unistd.h>
  22 #include <climits>
  23
  24 #include <gtkmm/messagedialog.h>
  25
  26 #include "export_session_dialog.h"
  27 #include "export_region_dialog.h"
  28 #include "export_range_markers_dialog.h"
  29 #include "editor.h"
  30 #include "public_editor.h"
  31 #include "selection.h"
  32 #include "time_axis_view.h"
  33 #include "audio_time_axis.h"
  34 #include "audio_region_view.h"
  35
  36 #include <pbd/pthread_utils.h>
  37 #include <ardour/types.h>
  38 #include <ardour/export.h>
  39 #include <ardour/audio_track.h>
  40 #include <ardour/audiofilesource.h>
  41 #include <ardour/audio_diskstream.h>
  42 #include <ardour/audioregion.h>
  43 #include <ardour/audioplaylist.h>
  44 #include <ardour/source_factory.h>
  45 #include <ardour/audiofilesource.h>
  46
  47 #include "i18n.h"
  48
  49 using namespace std;
  50 using namespace ARDOUR;
  51 using namespace PBD;
  52 using namespace Gtk;
  53
  54 void
  55 Editor::export_session()
  56 {
  57         if (session) {
  58                 export_range (session->current_start_frame(), session->current_end_frame());
  59         }
  60 }
  61
  62 void
  63 Editor::export_selection ()
  64 {
  65         if (session) {
  66                 if (selection->time.empty()) {
  67                         MessageDialog message (*this, _("There is no selection to export.\n\nSelect a selection using the range mouse mode"));
  68                         message.run ();
  69                         return;
  70                 }
  71
  72                 export_range (selection->time.front().start, selection->time.front().end);
  73         }
  74 }
  75
  76 void
  77 Editor::export_range (nframes_t start, nframes_t end)
  78 {
  79         if (session) {
  80                 if (export_dialog == 0) {
  81                         export_dialog = new ExportSessionDialog (*this);
  82                 }
  83
  84                 export_dialog->connect_to_session (session);
  85                 export_dialog->set_range (start, end);
  86                 export_dialog->start_export();
  87         }
  88 }
  89
  90 void
  91 Editor::export_region ()
  92 {
  93         if (clicked_regionview == 0) {
  94                 return;
  95         }
  96
  97         ExportDialog* dialog = new ExportRegionDialog (*this, clicked_regionview->region());
  98
  99         dialog->connect_to_session (session);
 100         dialog->set_range (
 101                 clicked_regionview->region()->first_frame(),
 102                 clicked_regionview->region()->last_frame());
 103         dialog->start_export();
 104 }
 105
 106 void
 107 Editor::export_range_markers ()
 108 {
 109         if (session) {
 110
 111                 if (session->locations()->num_range_markers() == 0) {
 112                         MessageDialog message (*this, _("There are no ranges to export.\n\nCreate 1 or more ranges by dragging the mouse in the range bar"));
 113                         message.run ();
 114                         return;
 115                 }
 116
 117
 118                 if (export_range_markers_dialog == 0) {
 119                         export_range_markers_dialog = new ExportRangeMarkersDialog(*this);
 120                 }
 121
 122                 export_range_markers_dialog->connect_to_session (session);
 123                 export_range_markers_dialog->start_export();
 124         }
 125 }
 126
 127 int
 128 Editor::write_region_selection (RegionSelection& regions)
 129 {
 130         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 131                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 132                 if (arv)
 133                         if (write_region ("", arv->audio_region()) == false)
 134                                 return -1;
 135         }
 136
 137         return 0;
 138 }
 139
 140 void
 141 Editor::bounce_region_selection ()
 142 {
 143         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 144
 145                 boost::shared_ptr<Region> region ((*i)->region());
 146                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&(*i)->get_time_axis_view());
 147                 Track* track = dynamic_cast<Track*>(rtv->route().get());
 148
 149                 InterThreadInfo itt;
 150
 151                 itt.done = false;
 152                 itt.cancel = false;
 153                 itt.progress = 0.0f;
 154
 155                 track->bounce_range (region->position(), region->position() + region->length(), itt);
 156         }
 157 }
 158
 159 bool
 160 Editor::write_region (string path, boost::shared_ptr<AudioRegion> region)
 161 {
 162         boost::shared_ptr<AudioFileSource> fs;
 163         const nframes_t chunk_size = 4096;
 164         nframes_t to_read;
 165         Sample buf[chunk_size];
 166         gain_t gain_buffer[chunk_size];
 167         nframes_t pos;
 168         char s[PATH_MAX+1];
 169         uint32_t cnt;
 170         vector<boost::shared_ptr<AudioFileSource> > sources;
 171         uint32_t nchans;
 172
 173         nchans = region->n_channels();
 174
 175         /* don't do duplicate of the entire source if that's what is going on here */
 176
 177         if (region->start() == 0 && region->length() == region->source()->length()) {
 178                 /* XXX should link(2) to create a new inode with "path" */
 179                 return true;
 180         }
 181
 182         if (path.length() == 0) {
 183
 184                 for (uint32_t n=0; n < nchans; ++n) {
 185
 186                         for (cnt = 0; cnt < 999999; ++cnt) {
 187                                 if (nchans == 1) {
 188                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 189                                                   legalize_for_path(region->name()).c_str(), cnt);
 190                                 }
 191                                 else {
 192                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 193                                                   legalize_for_path(region->name()).c_str(), cnt, n);
 194                                 }
 195
 196                                 path = s;
 197
 198                                 if (::access (path.c_str(), F_OK) != 0) {
 199                                         break;
 200                                 }
 201                         }
 202
 203                         if (cnt == 999999) {
 204                                 error << "" << endmsg;
 205                                 goto error_out;
 206                         }
 207
 208
 209
 210                         try {
 211                                 fs = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (*session, path, false, session->frame_rate()));
 212                         }
 213
 214                         catch (failed_constructor& err) {
 215                                 goto error_out;
 216                         }
 217
 218                         sources.push_back (fs);
 219                 }
 220         }
 221         else {
 222                 /* TODO: make filesources based on passed path */
 223
 224         }
 225
 226         to_read = region->length();
 227         pos = region->position();
 228
 229         while (to_read) {
 230                 nframes_t this_time;
 231
 232                 this_time = min (to_read, chunk_size);
 233
 234                 for (vector<boost::shared_ptr<AudioFileSource> >::iterator src=sources.begin(); src != sources.end(); ++src) {
 235
 236                         fs = (*src);
 237
 238                         if (region->read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
 239                                 break;
 240                         }
 241
 242                         if (fs->write (buf, this_time) != this_time) {
 243                                 error << "" << endmsg;
 244                                 goto error_out;
 245                         }
 246                 }
 247
 248                 to_read -= this_time;
 249                 pos += this_time;
 250         }
 251
 252         time_t tnow;
 253         struct tm* now;
 254         time (&tnow);
 255         now = localtime (&tnow);
 256
 257         for (vector<boost::shared_ptr<AudioFileSource> >::iterator src = sources.begin(); src != sources.end(); ++src) {
 258                 (*src)->update_header (0, *now, tnow);
 259                 (*src)->mark_immutable ();
 260         }
 261
 262         return true;
 263
 264 error_out:
 265
 266         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 267                 (*i)->mark_for_remove ();
 268         }
 269
 270         return 0;
 271 }
 272
 273 int
 274 Editor::write_audio_selection (TimeSelection& ts)
 275 {
 276         int ret = 0;
 277
 278         if (selection->tracks.empty()) {
 279                 return 0;
 280         }
 281
 282         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 283
 284                 AudioTimeAxisView* atv;
 285
 286                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 287                         continue;
 288                 }
 289
 290                 if (atv->is_audio_track()) {
 291
 292                         boost::shared_ptr<AudioPlaylist> playlist = boost::dynamic_pointer_cast<AudioPlaylist>(atv->get_diskstream()->playlist());
 293
 294                         if (playlist && write_audio_range (*playlist, atv->get_diskstream()->n_channels(), ts) == 0) {
 295                                 ret = -1;
 296                                 break;
 297                         }
 298                 }
 299         }
 300
 301         return ret;
 302 }
 303
 304 bool
 305 Editor::write_audio_range (AudioPlaylist& playlist, uint32_t channels, list<AudioRange>& range)
 306 {
 307         boost::shared_ptr<AudioFileSource> fs;
 308         const nframes_t chunk_size = 4096;
 309         nframes_t nframes;
 310         Sample buf[chunk_size];
 311         gain_t gain_buffer[chunk_size];
 312         nframes_t pos;
 313         char s[PATH_MAX+1];
 314         uint32_t cnt;
 315         string path;
 316         vector<boost::shared_ptr<AudioFileSource> > sources;
 317
 318         for (uint32_t n=0; n < channels; ++n) {
 319
 320                 for (cnt = 0; cnt < 999999; ++cnt) {
 321                         if (channels == 1) {
 322                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 323                                           legalize_for_path(playlist.name()).c_str(), cnt);
 324                         }
 325                         else {
 326                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 327                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 328                         }
 329
 330                         if (::access (s, F_OK) != 0) {
 331                                 break;
 332                         }
 333                 }
 334
 335                 if (cnt == 999999) {
 336                         error << "" << endmsg;
 337                         goto error_out;
 338                 }
 339
 340                 path = s;
 341
 342                 try {
 343                         fs = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createWritable (*session, path, false, session->frame_rate()));
 344                 }
 345
 346                 catch (failed_constructor& err) {
 347                         goto error_out;
 348                 }
 349
 350                 sources.push_back (fs);
 351
 352         }
 353
 354
 355         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 356
 357                 nframes = (*i).length();
 358                 pos = (*i).start;
 359
 360                 while (nframes) {
 361                         nframes_t this_time;
 362
 363                         this_time = min (nframes, chunk_size);
 364
 365                         for (uint32_t n=0; n < channels; ++n) {
 366
 367                                 fs = sources[n];
 368
 369                                 if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
 370                                         break;
 371                                 }
 372
 373                                 if (fs->write (buf, this_time) != this_time) {
 374                                         goto error_out;
 375                                 }
 376                         }
 377
 378                         nframes -= this_time;
 379                         pos += this_time;
 380                 }
 381
 382                 list<AudioRange>::iterator tmp = i;
 383                 ++tmp;
 384
 385                 if (tmp != range.end()) {
 386
 387                         /* fill gaps with silence */
 388
 389                         nframes = (*tmp).start - (*i).end;
 390
 391                         while (nframes) {
 392
 393                                 nframes_t this_time = min (nframes, chunk_size);
 394                                 memset (buf, 0, sizeof (Sample) * this_time);
 395
 396                                 for (uint32_t n=0; n < channels; ++n) {
 397
 398                                         fs = sources[n];
 399                                         if (fs->write (buf, this_time) != this_time) {
 400                                                 goto error_out;
 401                                         }
 402                                 }
 403
 404                                 nframes -= this_time;
 405                         }
 406                 }
 407
 408                 i = tmp;
 409         }
 410
 411         time_t tnow;
 412         struct tm* now;
 413         time (&tnow);
 414         now = localtime (&tnow);
 415
 416         for (vector<boost::shared_ptr<AudioFileSource> >::iterator s = sources.begin(); s != sources.end(); ++s) {
 417                 (*s)->update_header (0, *now, tnow);
 418                 (*s)->mark_immutable ();
 419                 // do we need to ref it again?
 420         }
 421
 422         return true;
 423
 424 error_out:
 425         /* unref created files */
 426
 427         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 428                 (*i)->mark_for_remove ();
 429         }
 430
 431         return false;
 432 }
 433
 434 void
 435 Editor::write_selection ()
 436 {
 437         if (!selection->time.empty()) {
 438                 write_audio_selection (selection->time);
 439         } else if (!selection->regions.empty()) {
 440                 write_region_selection (selection->regions);
 441         }
 442 }