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/filesource.h>
  41 #include <ardour/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 Gtk;
  50
  51 void
  52 Editor::export_session()
  53 {
  54         if (session) {
  55                 export_range (0, session->current_end_frame());
  56         }
  57 }
  58
  59 void
  60 Editor::export_selection ()
  61 {
  62         if (session) {
  63                 if (selection->time.empty()) {
  64                         MessageDialog message (*this, _("There is no selection to export.\n\nSelect a selection using the range mouse mode"));
  65                         message.run ();
  66                         return;
  67                 }
  68
  69                 export_range (selection->time.front().start, selection->time.front().end);
  70         }
  71 }
  72
  73 void
  74 Editor::export_range (jack_nframes_t start, jack_nframes_t end)
  75 {
  76         if (session) {
  77                 if (export_dialog == 0) {
  78                         export_dialog = new ExportSessionDialog (*this);
  79                 }
  80
  81                 export_dialog->connect_to_session (session);
  82                 export_dialog->set_range (start, end);
  83                 export_dialog->start_export();
  84         }
  85 }
  86
  87 void
  88 Editor::export_region ()
  89 {
  90         if (clicked_regionview == 0) {
  91                 return;
  92         }
  93
  94         ExportDialog* dialog = new ExportRegionDialog (*this, &clicked_regionview->region);
  95
  96         dialog->connect_to_session (session);
  97         dialog->set_range (
  98                 clicked_regionview->region.first_frame(),
  99                 clicked_regionview->region.last_frame());
 100         dialog->start_export();
 101 }
 102
 103 void
 104 Editor::export_range_markers ()
 105 {
 106         if (session) {
 107
 108                 if (session->locations()->num_range_markers() == 0) {
 109                         MessageDialog message (*this, _("There are no ranges to export.\n\nCreate 1 or more ranges by dragging the mouse in the range bar"));
 110                         message.run ();
 111                         return;
 112                 }
 113
 114
 115                 if (export_range_markers_dialog == 0) {
 116                         export_range_markers_dialog = new ExportRangeMarkersDialog(*this);
 117                 }
 118
 119                 export_range_markers_dialog->connect_to_session (session);
 120                 export_range_markers_dialog->start_export();
 121         }
 122 }
 123
 124 int
 125 Editor::write_region_selection (AudioRegionSelection& regions)
 126 {
 127         for (AudioRegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 128                 if (write_region ("", (*i)->region) == false) {
 129                         return -1;
 130                 }
 131         }
 132         return 0;
 133 }
 134
 135 void
 136 Editor::bounce_region_selection ()
 137 {
 138         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
 139
 140                 AudioRegion& region ((*i)->region);
 141                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(&(*i)->get_time_axis_view());
 142                 AudioTrack* track = dynamic_cast<AudioTrack*>(&(atv->route()));
 143
 144                 InterThreadInfo itt;
 145
 146                 itt.done = false;
 147                 itt.cancel = false;
 148                 itt.progress = 0.0f;
 149
 150                 track->bounce_range (region.position(), region.position() + region.length(), itt);
 151         }
 152 }
 153
 154 bool
 155 Editor::write_region (string path, AudioRegion& region)
 156 {
 157         FileSource* fs;
 158         const jack_nframes_t chunk_size = 4096;
 159         jack_nframes_t to_read;
 160         Sample buf[chunk_size];
 161         gain_t gain_buffer[chunk_size];
 162         char   workbuf[chunk_size *4];
 163         jack_nframes_t pos;
 164         char s[PATH_MAX+1];
 165         uint32_t cnt;
 166         vector<FileSource *> sources;
 167         uint32_t nchans;
 168
 169         nchans = region.n_channels();
 170
 171         /* don't do duplicate of the entire source if that's what is going on here */
 172
 173         if (region.start() == 0 && region.length() == region.source().length()) {
 174                 /* XXX should link(2) to create a new inode with "path" */
 175                 return true;
 176         }
 177
 178         if (path.length() == 0) {
 179
 180                 for (uint32_t n=0; n < nchans; ++n) {
 181
 182                         for (cnt = 0; cnt < 999999; ++cnt) {
 183                                 if (nchans == 1) {
 184                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 185                                                   legalize_for_path(region.name()).c_str(), cnt);
 186                                 }
 187                                 else {
 188                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 189                                                   legalize_for_path(region.name()).c_str(), cnt, n);
 190                                 }
 191
 192                                 path = s;
 193
 194                                 if (::access (path.c_str(), F_OK) != 0) {
 195                                         break;
 196                                 }
 197                         }
 198
 199                         if (cnt == 999999) {
 200                                 error << "" << endmsg;
 201                                 goto error_out;
 202                         }
 203
 204
 205
 206                         try {
 207                                 fs = new FileSource (path, session->frame_rate());
 208                         }
 209
 210                         catch (failed_constructor& err) {
 211                                 goto error_out;
 212                         }
 213
 214                         sources.push_back (fs);
 215                 }
 216         }
 217         else {
 218                 /* TODO: make filesources based on passed path */
 219
 220         }
 221
 222         to_read = region.length();
 223         pos = region.position();
 224
 225         while (to_read) {
 226                 jack_nframes_t this_time;
 227
 228                 this_time = min (to_read, chunk_size);
 229
 230                 for (vector<FileSource *>::iterator src=sources.begin(); src != sources.end(); ++src) {
 231
 232                         fs = (*src);
 233
 234                         if (region.read_at (buf, buf, gain_buffer, workbuf, pos, this_time) != this_time) {
 235                                 break;
 236                         }
 237
 238                         if (fs->write (buf, this_time, workbuf) != this_time) {
 239                                 error << "" << endmsg;
 240                                 goto error_out;
 241                         }
 242                 }
 243
 244                 to_read -= this_time;
 245                 pos += this_time;
 246         }
 247
 248         time_t tnow;
 249         struct tm* now;
 250         time (&tnow);
 251         now = localtime (&tnow);
 252
 253         for (vector<FileSource *>::iterator src = sources.begin(); src != sources.end(); ++src) {
 254                 (*src)->update_header (0, *now, tnow);
 255         }
 256
 257         return true;
 258
 259 error_out:
 260
 261         for (vector<FileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
 262                 (*i)->mark_for_remove ();
 263                 delete (*i);
 264         }
 265
 266         return 0;
 267 }
 268
 269 int
 270 Editor::write_audio_selection (TimeSelection& ts)
 271 {
 272         int ret = 0;
 273
 274         if (selection->tracks.empty()) {
 275                 return 0;
 276         }
 277
 278         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 279
 280                 AudioTimeAxisView* atv;
 281
 282                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 283                         continue;
 284                 }
 285
 286                 if (atv->is_audio_track()) {
 287
 288                         Playlist* playlist = atv->get_diskstream()->playlist();
 289
 290                         if (playlist && write_audio_range (*playlist, atv->get_diskstream()->n_channels(), ts) == 0) {
 291                                 ret = -1;
 292                                 break;
 293                         }
 294                 }
 295         }
 296
 297         return ret;
 298 }
 299
 300 bool
 301 Editor::write_audio_range (Playlist& playlist, uint32_t channels, list<AudioRange>& range)
 302 {
 303         FileSource* fs;
 304         const jack_nframes_t chunk_size = 4096;
 305         jack_nframes_t nframes;
 306         Sample buf[chunk_size];
 307         gain_t gain_buffer[chunk_size];
 308         char   workbuf[chunk_size*4];
 309         jack_nframes_t pos;
 310         char s[PATH_MAX+1];
 311         uint32_t cnt;
 312         string path;
 313         vector<FileSource *> sources;
 314
 315         for (uint32_t n=0; n < channels; ++n) {
 316
 317                 for (cnt = 0; cnt < 999999; ++cnt) {
 318                         if (channels == 1) {
 319                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 320                                           legalize_for_path(playlist.name()).c_str(), cnt);
 321                         }
 322                         else {
 323                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 324                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 325                         }
 326
 327                         if (::access (s, F_OK) != 0) {
 328                                 break;
 329                         }
 330                 }
 331
 332                 if (cnt == 999999) {
 333                         error << "" << endmsg;
 334                         goto error_out;
 335                 }
 336
 337                 path = s;
 338
 339                 try {
 340                         fs = new FileSource (path, session->frame_rate());
 341                 }
 342
 343                 catch (failed_constructor& err) {
 344                         goto error_out;
 345                 }
 346
 347                 sources.push_back (fs);
 348
 349         }
 350
 351
 352         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 353
 354                 nframes = (*i).length();
 355                 pos = (*i).start;
 356
 357                 while (nframes) {
 358                         jack_nframes_t this_time;
 359
 360                         this_time = min (nframes, chunk_size);
 361
 362                         for (uint32_t n=0; n < channels; ++n) {
 363
 364                                 fs = sources[n];
 365
 366                                 if (playlist.read (buf, buf, gain_buffer, workbuf, pos, this_time, n) != this_time) {
 367                                         break;
 368                                 }
 369
 370                                 if (fs->write (buf, this_time, workbuf) != this_time) {
 371                                         goto error_out;
 372                                 }
 373                         }
 374
 375                         nframes -= this_time;
 376                         pos += this_time;
 377                 }
 378
 379                 list<AudioRange>::iterator tmp = i;
 380                 ++tmp;
 381
 382                 if (tmp != range.end()) {
 383
 384                         /* fill gaps with silence */
 385
 386                         nframes = (*tmp).start - (*i).end;
 387
 388                         while (nframes) {
 389
 390                                 jack_nframes_t this_time = min (nframes, chunk_size);
 391                                 memset (buf, 0, sizeof (Sample) * this_time);
 392
 393                                 for (uint32_t n=0; n < channels; ++n) {
 394
 395                                         fs = sources[n];
 396                                         if (fs->write (buf, this_time, workbuf) != this_time) {
 397                                                 goto error_out;
 398                                         }
 399                                 }
 400
 401                                 nframes -= this_time;
 402                         }
 403                 }
 404
 405                 i = tmp;
 406         }
 407
 408         time_t tnow;
 409         struct tm* now;
 410         time (&tnow);
 411         now = localtime (&tnow);
 412
 413         for (uint32_t n=0; n < channels; ++n) {
 414                 sources[n]->update_header (0, *now, tnow);
 415                 // do we need to ref it again?
 416         }
 417
 418         return true;
 419
 420 error_out:
 421         /* unref created files */
 422
 423         for (vector<FileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
 424                 (*i)->mark_for_remove ();
 425                 delete *i;
 426         }
 427
 428         return false;
 429 }
 430
 431 void
 432 Editor::write_selection ()
 433 {
 434         if (!selection->time.empty()) {
 435                 write_audio_selection (selection->time);
 436         } else if (!selection->audio_regions.empty()) {
 437                 write_region_selection (selection->audio_regions);
 438         }
 439 }