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 #include "export_dialog.h"
  24 #include "editor.h"
  25 #include "public_editor.h"
  26 #include "selection.h"
  27 #include "time_axis_view.h"
  28 #include "audio_time_axis.h"
  29 #include "regionview.h"
  30 #include "ardour_message.h"
  31
  32 #include <pbd/pthread_utils.h>
  33 #include <ardour/types.h>
  34 #include <ardour/export.h>
  35 #include <ardour/audio_track.h>
  36 #include <ardour/filesource.h>
  37 #include <ardour/diskstream.h>
  38 #include <ardour/audioregion.h>
  39 #include <ardour/audioplaylist.h>
  40
  41 #include "i18n.h"
  42
  43 using namespace std;
  44 using namespace ARDOUR;
  45 using namespace Gtk;
  46
  47 void
  48 Editor::export_session()
  49 {
  50         if (session) {
  51                 export_range (0, session->current_end_frame());
  52         }
  53 }
  54
  55 void
  56 Editor::export_selection ()
  57 {
  58         if (session) {
  59                 if (selection->time.empty()) {
  60                         ArdourMessage message (this, X_("norange"), _("There is no range to export.\n\nSelect a range using the range mouse mode"));
  61                         return;
  62                 }
  63
  64                 export_range (selection->time.front().start,
  65                               selection->time.front().end);
  66         }
  67 }
  68
  69 void
  70 Editor::export_range (jack_nframes_t start, jack_nframes_t end)
  71 {
  72         if (session) {
  73                 if (export_dialog == 0) {
  74                         export_dialog = new ExportDialog (*this);
  75                 }
  76
  77                 export_dialog->connect_to_session (session);
  78                 export_dialog->set_range (start, end);
  79                 export_dialog->start_export();
  80         }
  81 }
  82
  83 void
  84 Editor::export_region ()
  85 {
  86         if (clicked_regionview == 0) {
  87                 return;
  88         }
  89
  90         ExportDialog* dialog = new ExportDialog (*this, &clicked_regionview->region);
  91
  92         dialog->connect_to_session (session);
  93         dialog->set_range (0, clicked_regionview->region.length());
  94         dialog->start_export();
  95 }
  96
  97 void
  98 Editor::write_a_region ()
  99 {
 100         if (clicked_regionview == 0) {
 101                 return;
 102         }
 103
 104         FileSelection file_selector;
 105
 106         file_selector.get_selection_entry()->activate.connect (bind (slot (*this, &Editor::finish_sub_event_loop), 1));
 107         file_selector.get_cancel_button()-.signal_clicked().connect (bind (slot (*this, &Editor::finish_sub_event_loop), -1));
 108         file_selector.get_ok_button()-.signal_clicked().connect (bind (slot (*this, &Editor::finish_sub_event_loop), 1));
 109         file_selector.delete_event.connect (bind (slot (*this, &Editor::finish_sub_event_loop_on_delete), -1));
 110
 111         file_selector.show_all();
 112
 113         run_sub_event_loop ();
 114
 115         if (sub_event_loop_status == 1) {
 116                 string path = file_selector.get_filename();
 117                 printf ("got region: %s\n", path.c_str());
 118                 if (path.length()) {
 119                         write_region (path, clicked_regionview->region);
 120                 }
 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         jack_nframes_t pos;
 163         char s[PATH_MAX+1];
 164         uint32_t cnt;
 165         vector<FileSource *> sources;
 166         uint32_t nchans;
 167
 168         nchans = region.n_channels();
 169
 170         /* don't do duplicate of the entire source if that's what is going on here */
 171
 172         if (region.start() == 0 && region.length() == region.source().length()) {
 173                 /* XXX should link(2) to create a new inode with "path" */
 174                 return true;
 175         }
 176
 177         if (path.length() == 0) {
 178
 179                 for (uint32_t n=0; n < nchans; ++n) {
 180
 181                         for (cnt = 0; cnt < 999999; ++cnt) {
 182                                 if (nchans == 1) {
 183                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 184                                                   legalize_for_path(region.name()).c_str(), cnt);
 185                                 }
 186                                 else {
 187                                         snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 188                                                   legalize_for_path(region.name()).c_str(), cnt, n);
 189                                 }
 190
 191                                 path = s;
 192
 193                                 if (::access (path.c_str(), F_OK) != 0) {
 194                                         break;
 195                                 }
 196                         }
 197
 198                         if (cnt == 999999) {
 199                                 error << "" << endmsg;
 200                                 goto error_out;
 201                         }
 202
 203
 204
 205                         try {
 206                                 fs = new FileSource (path, session->frame_rate());
 207                         }
 208
 209                         catch (failed_constructor& err) {
 210                                 goto error_out;
 211                         }
 212
 213                         sources.push_back (fs);
 214                 }
 215         }
 216         else {
 217                 /* TODO: make filesources based on passed path */
 218
 219         }
 220
 221         to_read = region.length();
 222         pos = region.position();
 223
 224         while (to_read) {
 225                 jack_nframes_t this_time;
 226
 227                 this_time = min (to_read, chunk_size);
 228
 229                 for (vector<FileSource *>::iterator src=sources.begin(); src != sources.end(); ++src) {
 230
 231                         fs = (*src);
 232
 233                         if (region.read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
 234                                 break;
 235                         }
 236
 237                         if (fs->write (buf, this_time) != this_time) {
 238                                 error << "" << endmsg;
 239                                 goto error_out;
 240                         }
 241                 }
 242
 243                 to_read -= this_time;
 244                 pos += this_time;
 245         }
 246
 247         time_t tnow;
 248         struct tm* now;
 249         time (&tnow);
 250         now = localtime (&tnow);
 251
 252         for (vector<FileSource *>::iterator src = sources.begin(); src != sources.end(); ++src) {
 253                 (*src)->update_header (0, *now, tnow);
 254         }
 255
 256         return true;
 257
 258 error_out:
 259
 260         for (vector<FileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
 261                 (*i)->mark_for_remove ();
 262                 delete (*i);
 263         }
 264
 265         return 0;
 266 }
 267
 268 int
 269 Editor::write_audio_selection (TimeSelection& ts)
 270 {
 271         int ret = 0;
 272
 273         if (selection->tracks.empty()) {
 274                 return 0;
 275         }
 276
 277         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 278
 279                 AudioTimeAxisView* atv;
 280
 281                 if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
 282                         continue;
 283                 }
 284
 285                 if (atv->is_audio_track()) {
 286
 287                         Playlist* playlist = atv->get_diskstream()->playlist();
 288
 289                         if (playlist && write_audio_range (*playlist, atv->get_diskstream()->n_channels(), ts) == 0) {
 290                                 ret = -1;
 291                                 break;
 292                         }
 293                 }
 294         }
 295
 296         return ret;
 297 }
 298
 299 bool
 300 Editor::write_audio_range (Playlist& playlist, uint32_t channels, list<AudioRange>& range)
 301 {
 302         FileSource* fs;
 303         const jack_nframes_t chunk_size = 4096;
 304         jack_nframes_t nframes;
 305         Sample buf[chunk_size];
 306         gain_t gain_buffer[chunk_size];
 307         jack_nframes_t pos;
 308         char s[PATH_MAX+1];
 309         uint32_t cnt;
 310         string path;
 311         vector<FileSource *> sources;
 312
 313         for (uint32_t n=0; n < channels; ++n) {
 314
 315                 for (cnt = 0; cnt < 999999; ++cnt) {
 316                         if (channels == 1) {
 317                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
 318                                           legalize_for_path(playlist.name()).c_str(), cnt);
 319                         }
 320                         else {
 321                                 snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
 322                                           legalize_for_path(playlist.name()).c_str(), cnt, n);
 323                         }
 324
 325                         if (::access (s, F_OK) != 0) {
 326                                 break;
 327                         }
 328                 }
 329
 330                 if (cnt == 999999) {
 331                         error << "" << endmsg;
 332                         goto error_out;
 333                 }
 334
 335                 path = s;
 336
 337                 try {
 338                         fs = new FileSource (path, session->frame_rate());
 339                 }
 340
 341                 catch (failed_constructor& err) {
 342                         goto error_out;
 343                 }
 344
 345                 sources.push_back (fs);
 346
 347         }
 348
 349
 350         for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
 351
 352                 nframes = (*i).length();
 353                 pos = (*i).start;
 354
 355                 while (nframes) {
 356                         jack_nframes_t this_time;
 357
 358                         this_time = min (nframes, chunk_size);
 359
 360                         for (uint32_t n=0; n < channels; ++n) {
 361
 362                                 fs = sources[n];
 363
 364                                 if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
 365                                         break;
 366                                 }
 367
 368                                 if (fs->write (buf, this_time) != this_time) {
 369                                         goto error_out;
 370                                 }
 371                         }
 372
 373                         nframes -= this_time;
 374                         pos += this_time;
 375                 }
 376
 377                 list<AudioRange>::iterator tmp = i;
 378                 ++tmp;
 379
 380                 if (tmp != range.end()) {
 381
 382                         /* fill gaps with silence */
 383
 384                         nframes = (*tmp).start - (*i).end;
 385
 386                         while (nframes) {
 387
 388                                 jack_nframes_t this_time = min (nframes, chunk_size);
 389                                 memset (buf, 0, sizeof (Sample) * this_time);
 390
 391                                 for (uint32_t n=0; n < channels; ++n) {
 392
 393                                         fs = sources[n];
 394                                         if (fs->write (buf, this_time) != this_time) {
 395                                                 goto error_out;
 396                                         }
 397                                 }
 398
 399                                 nframes -= this_time;
 400                         }
 401                 }
 402
 403                 i = tmp;
 404         }
 405
 406         time_t tnow;
 407         struct tm* now;
 408         time (&tnow);
 409         now = localtime (&tnow);
 410
 411         for (uint32_t n=0; n < channels; ++n) {
 412                 sources[n]->update_header (0, *now, tnow);
 413                 // do we need to ref it again?
 414         }
 415
 416         return true;
 417
 418 error_out:
 419         /* unref created files */
 420
 421         for (vector<FileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
 422                 (*i)->mark_for_remove ();
 423                 delete *i;
 424         }
 425
 426         return false;
 427 }
 428
 429 void
 430 Editor::write_selection ()
 431 {
 432         if (!selection->time.empty()) {
 433                 write_audio_selection (selection->time);
 434         } else if (!selection->audio_regions.empty()) {
 435                 write_region_selection (selection->audio_regions);
 436         }
 437 }