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
  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 (RegionSelection& regions)
 127 {
 128         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 129                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 130                 if (arv)
 131                         if (write_region ("", arv->audio_region()) == false)
 132                                 return -1;
 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                 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                 track->bounce_range (region.position(), region.position() + region.length(), itt);
 154         }
 155 }
 156
 157 bool
 158 Editor::write_region (string path, AudioRegion& region)
 159 {
 160         AudioFileSource* fs;
 161         const jack_nframes_t chunk_size = 4096;
 162         jack_nframes_t to_read;
 163         Sample buf[chunk_size];
 164         gain_t gain_buffer[chunk_size];
 165         char   workbuf[chunk_size *4];
 166         jack_nframes_t pos;
 167         char s[PATH_MAX+1];
 168         uint32_t cnt;
 169         vector<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 = AudioFileSource::create (path);
 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                 jack_nframes_t this_time;
 230
 231                 this_time = min (to_read, chunk_size);
 232
 233                 for (vector<AudioFileSource *>::iterator src=sources.begin(); src != sources.end(); ++src) {
 234
 235                         fs = (*src);
 236
 237                         if (region.read_at (buf, buf, gain_buffer, workbuf, pos, this_time) != this_time) {
 238                                 break;
 239                         }
 240
 241                         if (fs->write (buf, this_time, workbuf) != 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<AudioFileSource *>::iterator src = sources.begin(); src != sources.end(); ++src) {
 257                 (*src)->update_header (0, *now, tnow);
 258         }
 259
 260         return true;
 261
 262 error_out:
 263
 264         for (vector<AudioFileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
 265
 266                 (*i)->mark_for_remove ();
 267                 delete (*i);
 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                         AudioPlaylist* playlist = dynamic_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         AudioFileSource* fs;
 308         const jack_nframes_t chunk_size = 4096;
 309         jack_nframes_t nframes;
 310         Sample buf[chunk_size];
 311         gain_t gain_buffer[chunk_size];
 312         char   workbuf[chunk_size*4];
 313         jack_nframes_t pos;
 314         char s[PATH_MAX+1];
 315         uint32_t cnt;
 316         string path;
 317         vector<AudioFileSource *> sources;
 318
 319         for (uint32_t n=0; n < channels; ++n) {
 320
 321                 for (cnt = 0; cnt < 999999; ++cnt) {
 322                         if (channels == 1) {
 323                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 324                                           legalize_for_path(playlist.name()).c_str(), cnt);
 325                         }
 326                         else {
 327                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 328                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 329                         }
 330
 331                         if (::access (s, F_OK) != 0) {
 332                                 break;
 333                         }
 334                 }
 335
 336                 if (cnt == 999999) {
 337                         error << "" << endmsg;
 338                         goto error_out;
 339                 }
 340
 341                 path = s;
 342
 343                 try {
 344                         fs = AudioFileSource::create (path);
 345                 }
 346
 347                 catch (failed_constructor& err) {
 348                         goto error_out;
 349                 }
 350
 351                 sources.push_back (fs);
 352
 353         }
 354
 355
 356         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 357
 358                 nframes = (*i).length();
 359                 pos = (*i).start;
 360
 361                 while (nframes) {
 362                         jack_nframes_t this_time;
 363
 364                         this_time = min (nframes, chunk_size);
 365
 366                         for (uint32_t n=0; n < channels; ++n) {
 367
 368                                 fs = sources[n];
 369
 370                                 if (playlist.read (buf, buf, gain_buffer, workbuf, pos, this_time, n) != this_time) {
 371                                         break;
 372                                 }
 373
 374                                 if (fs->write (buf, this_time, workbuf) != this_time) {
 375                                         goto error_out;
 376                                 }
 377                         }
 378
 379                         nframes -= this_time;
 380                         pos += this_time;
 381                 }
 382
 383                 list<AudioRange>::iterator tmp = i;
 384                 ++tmp;
 385
 386                 if (tmp != range.end()) {
 387
 388                         /* fill gaps with silence */
 389
 390                         nframes = (*tmp).start - (*i).end;
 391
 392                         while (nframes) {
 393
 394                                 jack_nframes_t this_time = min (nframes, chunk_size);
 395                                 memset (buf, 0, sizeof (Sample) * this_time);
 396
 397                                 for (uint32_t n=0; n < channels; ++n) {
 398
 399                                         fs = sources[n];
 400                                         if (fs->write (buf, this_time, workbuf) != this_time) {
 401                                                 goto error_out;
 402                                         }
 403                                 }
 404
 405                                 nframes -= this_time;
 406                         }
 407                 }
 408
 409                 i = tmp;
 410         }
 411
 412         time_t tnow;
 413         struct tm* now;
 414         time (&tnow);
 415         now = localtime (&tnow);
 416
 417         for (uint32_t n=0; n < channels; ++n) {
 418                 sources[n]->update_header (0, *now, tnow);
 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<AudioFileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
 428                 (*i)->mark_for_remove ();
 429                 delete *i;
 430         }
 431
 432         return false;
 433 }
 434
 435 void
 436 Editor::write_selection ()
 437 {
 438         if (!selection->time.empty()) {
 439                 write_audio_selection (selection->time);
 440         } else if (!selection->regions.empty()) {
 441                 write_region_selection (selection->regions);
 442         }
 443 }