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 /* Note: public Editor methods are documented in public_editor.h */
  21
  22 #define __STDC_FORMAT_MACROS 1
  23 #include <inttypes.h>
  24 #include <unistd.h>
  25 #include <climits>
  26
  27 #include <gtkmm/messagedialog.h>
  28
  29 #include "export_dialog.h"
  30 #include "editor.h"
  31 #include "public_editor.h"
  32 #include "selection.h"
  33 #include "time_axis_view.h"
  34 #include "audio_time_axis.h"
  35 #include "audio_region_view.h"
  36 #include "midi_region_view.h"
  37
  38 #include "pbd/pthread_utils.h"
  39 #include "ardour/types.h"
  40 #include "ardour/audio_track.h"
  41 #include "ardour/audiofilesource.h"
  42 #include "ardour/audio_diskstream.h"
  43 #include "ardour/audioregion.h"
  44 #include "ardour/audioplaylist.h"
  45 #include "ardour/chan_count.h"
  46 #include "ardour/session_directory.h"
  47 #include "ardour/source_factory.h"
  48 #include "ardour/audiofilesource.h"
  49 #include "ardour/session.h"
  50
  51 #include "i18n.h"
  52
  53 using namespace std;
  54 using namespace ARDOUR;
  55 using namespace PBD;
  56 using namespace Gtk;
  57
  58 void
  59 Editor::export_audio ()
  60 {
  61         ExportDialog dialog (*this, _("Export"));
  62         dialog.set_session (_session);
  63         dialog.run();
  64 }
  65
  66 void
  67 Editor::export_selection ()
  68 {
  69         ExportSelectionDialog dialog (*this);
  70         dialog.set_session (_session);
  71         dialog.run();
  72 }
  73
  74 void
  75 Editor::export_range ()
  76 {
  77         Marker* marker;
  78
  79         if ((marker = reinterpret_cast<Marker *> (marker_menu_item->get_data ("marker"))) == 0) {
  80                 fatal << _("programming error: marker canvas item has no marker object pointer!") << endmsg;
  81                 /*NOTREACHED*/
  82         }
  83
  84         Location* l;
  85         bool is_start;
  86
  87         if (((l = find_location_from_marker (marker, is_start)) != 0) && (l->end() > l->start())) {
  88                 ExportRangeDialog dialog (*this, l->id().to_s());
  89                 dialog.set_session (_session);
  90                 dialog.run();
  91         }
  92 }
  93
  94 /** Export the first selected region */
  95 void
  96 Editor::export_region ()
  97 {
  98         if (selection->regions.empty()) {
  99                 return;
 100         }
 101
 102         try {
 103                 boost::shared_ptr<Region> r = selection->regions.front()->region();
 104                 AudioRegion & region (dynamic_cast<AudioRegion &> (*r));
 105
 106                 RouteTimeAxisView & rtv (dynamic_cast<RouteTimeAxisView &> (selection->regions.front()->get_time_axis_view()));
 107                 AudioTrack & track (dynamic_cast<AudioTrack &> (*rtv.route()));
 108
 109                 ExportRegionDialog dialog (*this, region, track);
 110                 dialog.set_session (_session);
 111                 dialog.run();
 112
 113         } catch (std::bad_cast & e) {
 114                 error << "Exporting Region failed!" << endmsg;
 115                 return;
 116         }
 117 }
 118
 119 int
 120 Editor::write_region_selection (RegionSelection& regions)
 121 {
 122         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 123                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 124                 if (arv) {
 125                         if (write_region ("", arv->audio_region()) == false)
 126                                 return -1;
 127                 }
 128
 129                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
 130                 if (mrv) {
 131                         warning << "MIDI region export not implemented" << endmsg;
 132                 }
 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                 boost::shared_ptr<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                 boost::shared_ptr<Region> r = track->bounce_range (region->position(), region->position() + region->length(), itt);
 150                 cerr << "Result of bounce of "
 151                      << region->name() << " len = " << region->length()
 152                      << " was "
 153                      << r->name() << " len = " << r->length()
 154                      << endl;
 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 nframes64_t chunk_size = 4096;
 163         nframes64_t to_read;
 164         Sample buf[chunk_size];
 165         gain_t gain_buffer[chunk_size];
 166         nframes64_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         const string sound_directory = _session->session_directory().sound_path().to_string();
 173
 174         nchans = region->n_channels();
 175
 176         /* don't do duplicate of the entire source if that's what is going on here */
 177
 178         if (region->start() == 0 && region->length() == region->source_length(0)) {
 179                 /* XXX should link(2) to create a new inode with "path" */
 180                 return true;
 181         }
 182
 183         if (path.length() == 0) {
 184
 185                 for (uint32_t n=0; n < nchans; ++n) {
 186
 187                         for (cnt = 0; cnt < 999999; ++cnt) {
 188                                 if (nchans == 1) {
 189                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 190                                                   legalize_for_path(region->name()).c_str(), cnt);
 191                                 }
 192                                 else {
 193                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 194                                                   legalize_for_path(region->name()).c_str(), cnt, n);
 195                                 }
 196
 197                                 path = s;
 198
 199                                 if (::access (path.c_str(), F_OK) != 0) {
 200                                         break;
 201                                 }
 202                         }
 203
 204                         if (cnt == 999999) {
 205                                 error << "" << endmsg;
 206                                 goto error_out;
 207                         }
 208
 209
 210
 211                         try {
 212                                 fs = boost::dynamic_pointer_cast<AudioFileSource> (
 213                                                 SourceFactory::createWritable (DataType::AUDIO, *_session,
 214                                                                 path, true,
 215                                                                 false, _session->frame_rate()));
 216                         }
 217
 218                         catch (failed_constructor& err) {
 219                                 goto error_out;
 220                         }
 221
 222                         sources.push_back (fs);
 223                 }
 224         }
 225         else {
 226                 /* TODO: make filesources based on passed path */
 227
 228         }
 229
 230         to_read = region->length();
 231         pos = region->position();
 232
 233         while (to_read) {
 234                 nframes64_t this_time;
 235
 236                 this_time = min (to_read, chunk_size);
 237
 238                 for (vector<boost::shared_ptr<AudioFileSource> >::iterator src=sources.begin(); src != sources.end(); ++src) {
 239
 240                         fs = (*src);
 241
 242                         if (region->read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
 243                                 break;
 244                         }
 245
 246                         if (fs->write (buf, this_time) != this_time) {
 247                                 error << "" << endmsg;
 248                                 goto error_out;
 249                         }
 250                 }
 251
 252                 to_read -= this_time;
 253                 pos += this_time;
 254         }
 255
 256         time_t tnow;
 257         struct tm* now;
 258         time (&tnow);
 259         now = localtime (&tnow);
 260
 261         for (vector<boost::shared_ptr<AudioFileSource> >::iterator src = sources.begin(); src != sources.end(); ++src) {
 262                 (*src)->update_header (0, *now, tnow);
 263                 (*src)->mark_immutable ();
 264         }
 265
 266         return true;
 267
 268 error_out:
 269
 270         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 271                 (*i)->mark_for_remove ();
 272         }
 273
 274         return 0;
 275 }
 276
 277 int
 278 Editor::write_audio_selection (TimeSelection& ts)
 279 {
 280         int ret = 0;
 281
 282         if (selection->tracks.empty()) {
 283                 return 0;
 284         }
 285
 286         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 287
 288                 AudioTimeAxisView* atv;
 289
 290                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 291                         continue;
 292                 }
 293
 294                 if (atv->is_audio_track()) {
 295
 296                         boost::shared_ptr<AudioPlaylist> playlist = boost::dynamic_pointer_cast<AudioPlaylist>(atv->track()->playlist());
 297
 298                         if (playlist && write_audio_range (*playlist, atv->track()->n_channels(), ts) == 0) {
 299                                 ret = -1;
 300                                 break;
 301                         }
 302                 }
 303         }
 304
 305         return ret;
 306 }
 307
 308 bool
 309 Editor::write_audio_range (AudioPlaylist& playlist, const ChanCount& count, list<AudioRange>& range)
 310 {
 311         boost::shared_ptr<AudioFileSource> fs;
 312         const nframes64_t chunk_size = 4096;
 313         nframes64_t nframes;
 314         Sample buf[chunk_size];
 315         gain_t gain_buffer[chunk_size];
 316         nframes64_t pos;
 317         char s[PATH_MAX+1];
 318         uint32_t cnt;
 319         string path;
 320         vector<boost::shared_ptr<AudioFileSource> > sources;
 321
 322         const string sound_directory = _session->session_directory().sound_path().to_string();
 323
 324         uint32_t channels = count.n_audio();
 325
 326         for (uint32_t n=0; n < channels; ++n) {
 327
 328                 for (cnt = 0; cnt < 999999; ++cnt) {
 329                         if (channels == 1) {
 330                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", sound_directory.c_str(),
 331                                           legalize_for_path(playlist.name()).c_str(), cnt);
 332                         }
 333                         else {
 334                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", sound_directory.c_str(),
 335                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 336                         }
 337
 338                         if (::access (s, F_OK) != 0) {
 339                                 break;
 340                         }
 341                 }
 342
 343                 if (cnt == 999999) {
 344                         error << "" << endmsg;
 345                         goto error_out;
 346                 }
 347
 348                 path = s;
 349
 350                 try {
 351                         fs = boost::dynamic_pointer_cast<AudioFileSource> (
 352                                         SourceFactory::createWritable (DataType::AUDIO, *_session,
 353                                                         path, true,
 354                                                         false, _session->frame_rate()));
 355                 }
 356
 357                 catch (failed_constructor& err) {
 358                         goto error_out;
 359                 }
 360
 361                 sources.push_back (fs);
 362
 363         }
 364
 365
 366         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 367
 368                 nframes = (*i).length();
 369                 pos = (*i).start;
 370
 371                 while (nframes) {
 372                         nframes64_t this_time;
 373
 374                         this_time = min (nframes, chunk_size);
 375
 376                         for (uint32_t n=0; n < channels; ++n) {
 377
 378                                 fs = sources[n];
 379
 380                                 if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
 381                                         break;
 382                                 }
 383
 384                                 if (fs->write (buf, this_time) != this_time) {
 385                                         goto error_out;
 386                                 }
 387                         }
 388
 389                         nframes -= this_time;
 390                         pos += this_time;
 391                 }
 392
 393                 list<AudioRange>::iterator tmp = i;
 394                 ++tmp;
 395
 396                 if (tmp != range.end()) {
 397
 398                         /* fill gaps with silence */
 399
 400                         nframes = (*tmp).start - (*i).end;
 401
 402                         while (nframes) {
 403
 404                                 nframes64_t this_time = min (nframes, chunk_size);
 405                                 memset (buf, 0, sizeof (Sample) * this_time);
 406
 407                                 for (uint32_t n=0; n < channels; ++n) {
 408
 409                                         fs = sources[n];
 410                                         if (fs->write (buf, this_time) != this_time) {
 411                                                 goto error_out;
 412                                         }
 413                                 }
 414
 415                                 nframes -= this_time;
 416                         }
 417                 }
 418
 419                 i = tmp;
 420         }
 421
 422         time_t tnow;
 423         struct tm* now;
 424         time (&tnow);
 425         now = localtime (&tnow);
 426
 427         for (vector<boost::shared_ptr<AudioFileSource> >::iterator s = sources.begin(); s != sources.end(); ++s) {
 428                 (*s)->update_header (0, *now, tnow);
 429                 (*s)->mark_immutable ();
 430                 // do we need to ref it again?
 431         }
 432
 433         return true;
 434
 435 error_out:
 436         /* unref created files */
 437
 438         for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = sources.begin(); i != sources.end(); ++i) {
 439                 (*i)->mark_for_remove ();
 440         }
 441
 442         return false;
 443 }
 444
 445 void
 446 Editor::write_selection ()
 447 {
 448         if (!selection->time.empty()) {
 449                 write_audio_selection (selection->time);
 450         } else if (!selection->regions.empty()) {
 451                 write_region_selection (selection->regions);
 452         }
 453 }