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 "regionview.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
  45 #include "i18n.h"
  46
  47 using namespace std;
  48 using namespace ARDOUR;
  49 using namespace PBD;
  50 using namespace Gtk;
  51
  52 void
  53 Editor::export_session()
  54 {
  55         if (session) {
  56                 export_range (0, session->current_end_frame());
  57         }
  58 }
  59
  60 void
  61 Editor::export_selection ()
  62 {
  63         if (session) {
  64                 if (selection->time.empty()) {
  65                         MessageDialog message (*this, _("There is no selection to export.\n\nSelect a selection using the range mouse mode"));
  66                         message.run ();
  67                         return;
  68                 }
  69
  70                 export_range (selection->time.front().start, selection->time.front().end);
  71         }
  72 }
  73
  74 void
  75 Editor::export_range (jack_nframes_t start, jack_nframes_t end)
  76 {
  77         if (session) {
  78                 if (export_dialog == 0) {
  79                         export_dialog = new ExportSessionDialog (*this);
  80                 }
  81
  82                 export_dialog->connect_to_session (session);
  83                 export_dialog->set_range (start, end);
  84                 export_dialog->start_export();
  85         }
  86 }
  87
  88 void
  89 Editor::export_region ()
  90 {
  91         if (clicked_regionview == 0) {
  92                 return;
  93         }
  94
  95         ExportDialog* dialog = new ExportRegionDialog (*this, &clicked_regionview->region);
  96
  97         dialog->connect_to_session (session);
  98         dialog->set_range (
  99                 clicked_regionview->region.first_frame(),
 100                 clicked_regionview->region.last_frame());
 101         dialog->start_export();
 102 }
 103
 104 void
 105 Editor::export_range_markers ()
 106 {
 107         if (session) {
 108
 109                 if (session->locations()->num_range_markers() == 0) {
 110                         MessageDialog message (*this, _("There are no ranges to export.\n\nCreate 1 or more ranges by dragging the mouse in the range bar"));
 111                         message.run ();
 112                         return;
 113                 }
 114
 115
 116                 if (export_range_markers_dialog == 0) {
 117                         export_range_markers_dialog = new ExportRangeMarkersDialog(*this);
 118                 }
 119
 120                 export_range_markers_dialog->connect_to_session (session);
 121                 export_range_markers_dialog->start_export();
 122         }
 123 }
 124
 125 int
 126 Editor::write_region_selection (AudioRegionSelection& regions)
 127 {
 128         for (AudioRegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 129                 if (write_region ("", (*i)->region) == false) {
 130                         return -1;
 131                 }
 132         }
 133         return 0;
 134 }
 135
 136 void
 137 Editor::bounce_region_selection ()
 138 {
 139         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
 140
 141                 AudioRegion& region ((*i)->region);
 142                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(&(*i)->get_time_axis_view());
 143                 AudioTrack* track = dynamic_cast<AudioTrack*>(&(atv->route()));
 144
 145                 InterThreadInfo itt;
 146
 147                 itt.done = false;
 148                 itt.cancel = false;
 149                 itt.progress = 0.0f;
 150
 151                 track->bounce_range (region.position(), region.position() + region.length(), itt);
 152         }
 153 }
 154
 155 bool
 156 Editor::write_region (string path, AudioRegion& region)
 157 {
 158         AudioFileSource* fs;
 159         const jack_nframes_t chunk_size = 4096;
 160         jack_nframes_t to_read;
 161         Sample buf[chunk_size];
 162         gain_t gain_buffer[chunk_size];
 163         char   workbuf[chunk_size *4];
 164         jack_nframes_t pos;
 165         char s[PATH_MAX+1];
 166         uint32_t cnt;
 167         vector<AudioFileSource *> sources;
 168         uint32_t nchans;
 169
 170         nchans = region.n_channels();
 171
 172         /* don't do duplicate of the entire source if that's what is going on here */
 173
 174         if (region.start() == 0 && region.length() == region.source().length()) {
 175                 /* XXX should link(2) to create a new inode with "path" */
 176                 return true;
 177         }
 178
 179         if (path.length() == 0) {
 180
 181                 for (uint32_t n=0; n < nchans; ++n) {
 182
 183                         for (cnt = 0; cnt < 999999; ++cnt) {
 184                                 if (nchans == 1) {
 185                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 186                                                   legalize_for_path(region.name()).c_str(), cnt);
 187                                 }
 188                                 else {
 189                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 190                                                   legalize_for_path(region.name()).c_str(), cnt, n);
 191                                 }
 192
 193                                 path = s;
 194
 195                                 if (::access (path.c_str(), F_OK) != 0) {
 196                                         break;
 197                                 }
 198                         }
 199
 200                         if (cnt == 999999) {
 201                                 error << "" << endmsg;
 202                                 goto error_out;
 203                         }
 204
 205
 206
 207                         try {
 208                                 fs = AudioFileSource::create (path);
 209                         }
 210
 211                         catch (failed_constructor& err) {
 212                                 goto error_out;
 213                         }
 214
 215                         sources.push_back (fs);
 216                 }
 217         }
 218         else {
 219                 /* TODO: make filesources based on passed path */
 220
 221         }
 222
 223         to_read = region.length();
 224         pos = region.position();
 225
 226         while (to_read) {
 227                 jack_nframes_t this_time;
 228
 229                 this_time = min (to_read, chunk_size);
 230
 231                 for (vector<AudioFileSource *>::iterator src=sources.begin(); src != sources.end(); ++src) {
 232
 233                         fs = (*src);
 234
 235                         if (region.read_at (buf, buf, gain_buffer, workbuf, pos, this_time) != this_time) {
 236                                 break;
 237                         }
 238
 239                         if (fs->write (buf, this_time, workbuf) != this_time) {
 240                                 error << "" << endmsg;
 241                                 goto error_out;
 242                         }
 243                 }
 244
 245                 to_read -= this_time;
 246                 pos += this_time;
 247         }
 248
 249         time_t tnow;
 250         struct tm* now;
 251         time (&tnow);
 252         now = localtime (&tnow);
 253
 254         for (vector<AudioFileSource *>::iterator src = sources.begin(); src != sources.end(); ++src) {
 255                 (*src)->update_header (0, *now, tnow);
 256         }
 257
 258         return true;
 259
 260 error_out:
 261
 262         for (vector<AudioFileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
 263
 264                 (*i)->mark_for_remove ();
 265                 delete (*i);
 266         }
 267
 268         return 0;
 269 }
 270
 271 int
 272 Editor::write_audio_selection (TimeSelection& ts)
 273 {
 274         int ret = 0;
 275
 276         if (selection->tracks.empty()) {
 277                 return 0;
 278         }
 279
 280         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 281
 282                 AudioTimeAxisView* atv;
 283
 284                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 285                         continue;
 286                 }
 287
 288                 if (atv->is_audio_track()) {
 289
 290                         AudioPlaylist* playlist = dynamic_cast<AudioPlaylist*>(atv->get_diskstream()->playlist());
 291
 292                         if (playlist && write_audio_range (*playlist, atv->get_diskstream()->n_channels(), ts) == 0) {
 293                                 ret = -1;
 294                                 break;
 295                         }
 296                 }
 297         }
 298
 299         return ret;
 300 }
 301
 302 bool
 303 Editor::write_audio_range (AudioPlaylist& playlist, uint32_t channels, list<AudioRange>& range)
 304 {
 305         AudioFileSource* fs;
 306         const jack_nframes_t chunk_size = 4096;
 307         jack_nframes_t nframes;
 308         Sample buf[chunk_size];
 309         gain_t gain_buffer[chunk_size];
 310         char   workbuf[chunk_size*4];
 311         jack_nframes_t pos;
 312         char s[PATH_MAX+1];
 313         uint32_t cnt;
 314         string path;
 315         vector<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 = AudioFileSource::create (path);
 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                         jack_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, workbuf, pos, this_time, n) != this_time) {
 369                                         break;
 370                                 }
 371
 372                                 if (fs->write (buf, this_time, workbuf) != 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                                 jack_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, workbuf) != 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 (uint32_t n=0; n < channels; ++n) {
 416                 sources[n]->update_header (0, *now, tnow);
 417                 // do we need to ref it again?
 418         }
 419
 420         return true;
 421
 422 error_out:
 423         /* unref created files */
 424
 425         for (vector<AudioFileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
 426                 (*i)->mark_for_remove ();
 427                 delete *i;
 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->audio_regions.empty()) {
 439                 write_region_selection (selection->audio_regions);
 440         }
 441 }