cinelerra-5.0/cinelerra/resourcethread.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "arender.h"
  23 #include "asset.h"
  24 #include "bcsignals.h"
  25 #include "bctimer.h"
  26 #include "cache.h"
  27 #include "clip.h"
  28 #include "condition.h"
  29 #include "datatype.h"
  30 #include "edl.h"
  31 #include "edlsession.h"
  32 #include "file.h"
  33 #include "framecache.h"
  34 #include "mutex.h"
  35 #include "mwindow.h"
  36 #include "mwindowgui.h"
  37 #include "renderengine.h"
  38 #include "resourcethread.h"
  39 #include "resourcepixmap.h"
  40 #include "samples.h"
  41 #include "timelinepane.h"
  42 #include "trackcanvas.h"
  43 #include "transportque.h"
  44 #include "vframe.h"
  45 #include "vrender.h"
  46 #include "wavecache.h"
  47
  48
  49 #include <unistd.h>
  50
  51 ResourceThreadItem::ResourceThreadItem(ResourcePixmap *pixmap,
  52         int pane_number,
  53         Indexable *indexable,
  54         int data_type,
  55         int operation_count)
  56 {
  57         this->pane_number = pane_number;
  58         this->data_type = data_type;
  59         this->pixmap = pixmap;
  60         this->indexable = indexable;
  61
  62 // Assets are garbage collected so they don't need to be replicated.
  63         this->operation_count = operation_count;
  64         indexable->Garbage::add_user();
  65         last = 0;
  66 }
  67
  68 ResourceThreadItem::~ResourceThreadItem()
  69 {
  70         indexable->Garbage::remove_user();
  71 }
  72
  73
  74
  75
  76
  77
  78
  79 VResourceThreadItem::VResourceThreadItem(ResourcePixmap *pixmap,
  80         int pane_number,
  81         int picon_x,
  82         int picon_y,
  83         int picon_w,
  84         int picon_h,
  85         double frame_rate,
  86         int64_t position,
  87         int layer,
  88         Indexable *indexable,
  89         int operation_count)
  90  : ResourceThreadItem(pixmap,
  91         pane_number,
  92         indexable,
  93         TRACK_VIDEO,
  94         operation_count)
  95 {
  96         this->picon_x = picon_x;
  97         this->picon_y = picon_y;
  98         this->picon_w = picon_w;
  99         this->picon_h = picon_h;
 100         this->frame_rate = frame_rate;
 101         this->position = position;
 102         this->layer = layer;
 103 }
 104
 105 VResourceThreadItem::~VResourceThreadItem()
 106 {
 107 }
 108
 109
 110
 111
 112
 113
 114
 115
 116 AResourceThreadItem::AResourceThreadItem(ResourcePixmap *pixmap,
 117         int pane_number,
 118         Indexable *indexable,
 119         int x,
 120         int channel,
 121         int64_t start,
 122         int64_t end,
 123         int operation_count)
 124  : ResourceThreadItem(pixmap,
 125         pane_number,
 126         indexable,
 127         TRACK_AUDIO,
 128         operation_count)
 129 {
 130         this->x = x;
 131         this->channel = channel;
 132         this->start = start;
 133         this->end = end;
 134 }
 135
 136 AResourceThreadItem::~AResourceThreadItem()
 137 {
 138 }
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156 ResourceThread::ResourceThread(MWindow *mwindow, MWindowGUI *gui)
 157  : Thread(1, 0, 0)
 158 {
 159 //printf("ResourceThread::ResourceThread %d %p\n", __LINE__, this);
 160         this->mwindow = mwindow;
 161         this->gui = gui;
 162         interrupted = 1;
 163         done = 1;
 164         temp_picon = 0;
 165         temp_picon2 = 0;
 166         draw_lock = new Condition(0, "ResourceThread::draw_lock", 0);
 167 //      interrupted_lock = new Condition(0, "ResourceThread::interrupted_lock", 0);
 168         item_lock = new Mutex("ResourceThread::item_lock");
 169         audio_buffer = 0;
 170         for(int i = 0; i < MAXCHANNELS; i++)
 171                 temp_buffer[i] = 0;
 172         timer = new Timer;
 173         prev_x = -1;
 174         prev_h = 0;
 175         prev_l = 0;
 176         operation_count = 0;
 177         render_engine = 0;
 178
 179         audio_asset = 0;
 180         audio_source = 0;
 181         video_asset = 0;
 182         video_source = 0;
 183 }
 184
 185 ResourceThread::~ResourceThread()
 186 {
 187         stop();
 188         delete draw_lock;
 189 //      delete interrupted_lock;
 190         delete item_lock;
 191         delete temp_picon;
 192         delete temp_picon2;
 193         delete audio_buffer;
 194         for(int i = 0; i < MAXCHANNELS; i++)
 195                 delete temp_buffer[i];
 196         delete timer;
 197         delete render_engine;
 198         if( audio_asset ) audio_asset->remove_user();
 199         if( video_asset ) video_asset->remove_user();
 200 }
 201
 202 void ResourceThread::create_objects()
 203 {
 204         done = 0;
 205         Thread::start();
 206 }
 207
 208 void ResourceThread::add_picon(ResourcePixmap *pixmap,
 209         int pane_number,
 210         int picon_x,
 211         int picon_y,
 212         int picon_w,
 213         int picon_h,
 214         double frame_rate,
 215         int64_t position,
 216         int layer,
 217         Indexable *indexable)
 218 {
 219         item_lock->lock("ResourceThread::item_lock");
 220
 221         items.append(new VResourceThreadItem(pixmap,
 222                 pane_number,
 223                 picon_x,
 224                 picon_y,
 225                 picon_w,
 226                 picon_h,
 227                 frame_rate,
 228                 position,
 229                 layer,
 230                 indexable,
 231                 operation_count));
 232         item_lock->unlock();
 233 }
 234
 235 void ResourceThread::add_wave(ResourcePixmap *pixmap,
 236         int pane_number,
 237         Indexable *indexable,
 238         int x,
 239         int channel,
 240         int64_t source_start,
 241         int64_t source_end)
 242 {
 243         item_lock->lock("ResourceThread::item_lock");
 244
 245         items.append(new AResourceThreadItem(pixmap,
 246                 pane_number,
 247                 indexable,
 248                 x,
 249                 channel,
 250                 source_start,
 251                 source_end,
 252                 operation_count));
 253         item_lock->unlock();
 254 }
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266 void ResourceThread::stop_draw(int reset)
 267 {
 268         if(!interrupted)
 269         {
 270                 interrupted = 1;
 271                 item_lock->lock("ResourceThread::stop_draw");
 272
 273 //printf("ResourceThread::stop_draw %d %d\n", __LINE__, reset);
 274 //BC_Signals::dump_stack();
 275                 if(reset) items.remove_all_objects();
 276                 operation_count++;
 277                 item_lock->unlock();
 278                 prev_x = -1;
 279                 prev_h = 0;
 280                 prev_l = 0;
 281         }
 282 }
 283
 284 void ResourceThread::start_draw()
 285 {
 286         interrupted = 0;
 287 // Tag last audio item to cause refresh.
 288         int i = items.total;
 289         while( --i>=0 && items[i]->data_type!=TRACK_AUDIO );
 290         if( i >= 0 ) items[i]->last = 1;
 291         timer->update();
 292         draw_lock->unlock();
 293 }
 294
 295 void ResourceThread::run()
 296 {
 297         while(!done)
 298         {
 299
 300                 draw_lock->lock("ResourceThread::run");
 301
 302                 while(!interrupted)
 303                 {
 304 // Pull off item
 305                         item_lock->lock("ResourceThread::run");
 306                         int total_items = items.size();
 307                         ResourceThreadItem *item = 0;
 308                         if(items.size())
 309                         {
 310                                 item = items[0];
 311                                 items.remove_number(0);
 312                         }
 313                         item_lock->unlock();
 314 //printf("ResourceThread::run %d %d\n", __LINE__, items.size());
 315                         if(!total_items) break;
 316
 317                         switch( item->data_type ) {
 318                         case TRACK_VIDEO:
 319                                 do_video((VResourceThreadItem*)item);
 320                                 break;
 321                         case TRACK_AUDIO:
 322                                 do_audio((AResourceThreadItem*)item);
 323                                 break;
 324                         }
 325
 326                         delete item;
 327                 }
 328
 329                 get_audio_source(0);
 330                 get_video_source(0);
 331                 mwindow->age_caches();
 332         }
 333 }
 334
 335 void ResourceThread::stop()
 336 {
 337         if( !done ) {
 338                 done = 1;
 339                 interrupted = 1;
 340                 draw_lock->unlock();
 341                 join();
 342         }
 343 }
 344
 345
 346 void ResourceThread::open_render_engine(EDL *nested_edl,
 347         int do_audio,
 348         int do_video)
 349 {
 350         if(render_engine && render_engine_id != nested_edl->id)
 351         {
 352                 delete render_engine;
 353                 render_engine = 0;
 354         }
 355
 356         if(!render_engine)
 357         {
 358                 TransportCommand command;
 359                 if(do_audio)
 360                         command.command = NORMAL_FWD;
 361                 else
 362                         command.command = CURRENT_FRAME;
 363                 command.get_edl()->copy_all(nested_edl);
 364                 command.change_type = CHANGE_ALL;
 365                 command.realtime = 0;
 366                 render_engine = new RenderEngine(0,
 367                         mwindow->preferences, 0, 0, 0);
 368                 render_engine_id = nested_edl->id;
 369                 render_engine->set_vcache(mwindow->video_cache);
 370                 render_engine->set_acache(mwindow->audio_cache);
 371                 render_engine->arm_command(&command);
 372         }
 373 }
 374
 375 File *ResourceThread::get_audio_source(Asset *asset)
 376 {
 377         if( audio_asset && audio_asset != asset && (!asset ||
 378                 strcmp(audio_asset->path, asset->path)) )
 379         {
 380                 mwindow->audio_cache->check_in(audio_asset);
 381                 audio_source = 0;
 382                 audio_asset->remove_user();
 383                 audio_asset = 0;
 384
 385         }
 386         if( !audio_asset && asset )
 387         {
 388                 audio_asset = asset;
 389                 audio_asset->add_user();
 390                 audio_source = mwindow->audio_cache->check_out(asset, mwindow->edl);
 391         }
 392         return audio_source;
 393 }
 394
 395 File *ResourceThread::get_video_source(Asset *asset)
 396 {
 397         if( video_asset && video_asset != asset && (!asset ||
 398                 strcmp(video_asset->path, asset->path)) )
 399         {
 400                 mwindow->video_cache->check_in(video_asset);
 401                 video_source = 0;
 402                 video_asset->remove_user();
 403                 video_asset = 0;
 404
 405         }
 406         if( !video_asset && asset )
 407         {
 408                 video_asset = asset;
 409                 video_asset->add_user();
 410                 video_source = mwindow->video_cache->check_out(asset, mwindow->edl);
 411         }
 412         return video_source;
 413 }
 414
 415 void ResourceThread::do_video(VResourceThreadItem *item)
 416 {
 417         int source_w = 0;
 418         int source_h = 0;
 419         int source_id = -1;
 420         int source_cmodel = -1;
 421
 422         if(item->indexable->is_asset)
 423         {
 424                 Asset *asset = (Asset*)item->indexable;
 425                 source_w = asset->width;
 426                 source_h = asset->height;
 427                 source_id = asset->id;
 428                 source_cmodel = BC_RGB888;
 429         }
 430         else
 431         {
 432                 EDL *nested_edl = (EDL*)item->indexable;
 433                 source_w = nested_edl->session->output_w;
 434                 source_h = nested_edl->session->output_h;
 435                 source_id = nested_edl->id;
 436                 source_cmodel = nested_edl->session->color_model;
 437         }
 438
 439         if(temp_picon &&
 440                 (temp_picon->get_w() != source_w ||
 441                 temp_picon->get_h() != source_h ||
 442                 temp_picon->get_color_model() != source_cmodel))
 443         {
 444                 delete temp_picon;
 445                 temp_picon = 0;
 446         }
 447
 448         if(!temp_picon)
 449         {
 450                 temp_picon = new VFrame(0,
 451                         -1,
 452                         source_w,
 453                         source_h,
 454                         source_cmodel,
 455                         -1);
 456         }
 457
 458 // Get temporary to copy cached frame to
 459         if(temp_picon2 &&
 460                 (temp_picon2->get_w() != item->picon_w ||
 461                 temp_picon2->get_h() != item->picon_h))
 462         {
 463                 delete temp_picon2;
 464                 temp_picon2 = 0;
 465         }
 466
 467         if(!temp_picon2)
 468         {
 469                 temp_picon2 = new VFrame(0,
 470                         -1,
 471                         item->picon_w,
 472                         item->picon_h,
 473                         BC_RGB888,
 474                         -1);
 475         }
 476
 477
 478
 479 // Search frame cache again.
 480
 481         VFrame *picon_frame = 0;
 482         int need_conversion = 0;
 483         EDL *nested_edl = 0;
 484         Asset *asset = 0;
 485
 486         picon_frame = mwindow->frame_cache->get_frame_ptr(item->position,
 487                 item->layer,
 488                 item->frame_rate,
 489                 BC_RGB888,
 490                 item->picon_w,
 491                 item->picon_h,
 492                 source_id);
 493 //printf("search cache %ld,%d,%f,%dx%d,%d = %p\n",
 494 //  item->position, item->layer, item->frame_rate,
 495 //  item->picon_w, item->picon_h, source_id, picon_frame);
 496         if( picon_frame )
 497         {
 498                 temp_picon2->copy_from(picon_frame);
 499 // Unlock the get_frame_ptr command
 500                 mwindow->frame_cache->unlock();
 501         }
 502         else
 503         if(!item->indexable->is_asset)
 504         {
 505                 nested_edl = (EDL*)item->indexable;
 506                 open_render_engine(nested_edl, 0, 1);
 507
 508                 int64_t source_position = (int64_t)(item->position *
 509                         nested_edl->session->frame_rate /
 510                         item->frame_rate);
 511                 if(render_engine->vrender)
 512                         render_engine->vrender->process_buffer(
 513                                 temp_picon,
 514                                 source_position,
 515                                 0);
 516
 517                 need_conversion = 1;
 518         }
 519         else
 520         {
 521                 asset = (Asset*)item->indexable;
 522                 File *source = get_video_source(asset);
 523                 if(!source)
 524                         return;
 525
 526                 source->set_layer(item->layer);
 527                 int64_t normalized_position = (int64_t)(item->position *
 528                         asset->frame_rate /
 529                         item->frame_rate);
 530                 source->set_video_position(normalized_position,
 531                         0);
 532
 533                 source->read_frame(temp_picon);
 534
 535                 need_conversion = 1;
 536         }
 537
 538         if(need_conversion)
 539         {
 540                 picon_frame = new VFrame(0,
 541                         -1,
 542                         item->picon_w,
 543                         item->picon_h,
 544                         BC_RGB888,
 545                         -1);
 546                 BC_CModels::transfer(picon_frame->get_rows(),
 547                         temp_picon->get_rows(),
 548                         0,
 549                         0,
 550                         0,
 551                         0,
 552                         0,
 553                         0,
 554                         0,
 555                         0,
 556                         temp_picon->get_w(),
 557                         temp_picon->get_h(),
 558                         0,
 559                         0,
 560                         picon_frame->get_w(),
 561                         picon_frame->get_h(),
 562                         source_cmodel,
 563                         BC_RGB888,
 564                         0,
 565                         temp_picon->get_bytes_per_line(),
 566                         picon_frame->get_bytes_per_line());
 567                 temp_picon2->copy_from(picon_frame);
 568                 mwindow->frame_cache->put_frame(picon_frame,
 569                         item->position,
 570                         item->layer,
 571                         mwindow->edl->session->frame_rate,
 572                         0,
 573                         item->indexable);
 574         }
 575
 576 // Allow escape here
 577         if(interrupted)
 578         {
 579                 return;
 580         }
 581
 582
 583 // Draw the picon
 584         mwindow->gui->lock_window("ResourceThread::do_video");
 585
 586 // It was interrupted while waiting.
 587         if(interrupted)
 588         {
 589                 mwindow->gui->unlock_window();
 590                 return;
 591         }
 592
 593
 594
 595 // Test for pixmap existence first
 596         if(item->operation_count == operation_count)
 597         {
 598                 ArrayList<ResourcePixmap*> &resource_pixmaps = gui->resource_pixmaps;
 599                 int i = resource_pixmaps.total;
 600                 while( --i >= 0 && resource_pixmaps[i] != item->pixmap );
 601                 if( i >= 0 ) {
 602                         item->pixmap->draw_vframe(temp_picon2,
 603                                 item->picon_x,
 604                                 item->picon_y,
 605                                 item->picon_w,
 606                                 item->picon_h,
 607                                 0,
 608                                 0);
 609
 610                         mwindow->gui->update(0, IGNORE_THREAD, 0, 0, 0, 0, 0);
 611                 }
 612         }
 613
 614         mwindow->gui->unlock_window();
 615 }
 616
 617
 618 #define BUFFERSIZE 65536
 619 void ResourceThread::do_audio(AResourceThreadItem *item)
 620 {
 621 // Search again
 622         WaveCacheItem *wave_item;
 623         double high = 0;
 624         double low = 0;
 625         const int debug = 0;
 626         if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 627         if((wave_item = mwindow->wave_cache->get_wave(item->indexable->id,
 628                 item->channel, item->start, item->end)))
 629         {
 630                 high = wave_item->high;
 631                 low = wave_item->low;
 632                 mwindow->wave_cache->unlock();
 633         }
 634         else
 635         {
 636                 int first_sample = 1;
 637                 int64_t start = item->start;
 638                 int64_t end = item->end;
 639                 if(start == end) end = start + 1;
 640                 double *buffer_samples = !audio_buffer ? 0 :
 641                         audio_buffer->get_data();
 642
 643                 if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 644                 for(int64_t sample = start; sample < end; sample++)
 645                 {
 646                         double value;
 647 // Get value from previous buffer
 648                         if(audio_buffer &&
 649                                 item->channel == audio_channel &&
 650                                 item->indexable->id == audio_asset_id &&
 651                                 sample >= audio_start &&
 652                                 sample < audio_start + audio_samples)
 653                         {
 654                                 ;
 655                         }
 656                         else
 657 // Load new buffer
 658                         {
 659                                 if(!audio_buffer) {
 660                                         audio_buffer = new Samples(BUFFERSIZE);
 661                                         buffer_samples = audio_buffer->get_data();
 662                                 }
 663
 664                                 int64_t total_samples = item->indexable->get_audio_samples();
 665                                 int fragment = BUFFERSIZE;
 666                                 if(fragment + sample > total_samples)
 667                                         fragment = total_samples - sample;
 668
 669                                 if(!item->indexable->is_asset)
 670                                 {
 671                                         if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 672                                         open_render_engine((EDL*)item->indexable, 1, 0);
 673                                         if(debug) printf("ResourceThread::do_audio %d %p\n", __LINE__, render_engine);
 674                                         if(render_engine->arender)
 675                                         {
 676                                                 if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 677                                                 int source_channels = item->indexable->get_audio_channels();
 678                                                 if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 679                                                 for(int i = 0; i < MAXCHANNELS; i++)
 680                                                 {
 681                                                         if(i < source_channels &&
 682                                                                 !temp_buffer[i])
 683                                                         {
 684                                                                 temp_buffer[i] = new Samples(BUFFERSIZE);
 685                                                         }
 686                                                         else
 687                                                         if(i >= source_channels &&
 688                                                                 temp_buffer[i])
 689                                                         {
 690                                                                 delete temp_buffer[i];
 691                                                                 temp_buffer[i] = 0;
 692                                                         }
 693                                                 }
 694
 695
 696                                                 if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 697                                                 render_engine->arender->process_buffer(
 698                                                         temp_buffer,
 699                                                         fragment,
 700                                                         sample);
 701                                                 if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 702                                                 memcpy(buffer_samples,
 703                                                         temp_buffer[item->channel]->get_data(),
 704                                                         fragment * sizeof(double));
 705                                         }
 706                                         else
 707                                         {
 708                                                 if(debug) printf("ResourceThread::do_audio %d %d\n", __LINE__, fragment);
 709                                                 if(fragment > 0) bzero(buffer_samples, sizeof(double) * fragment);
 710                                                 if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 711
 712                                         }
 713                                 }
 714                                 else
 715                                 {
 716                                         Asset *asset = (Asset*)item->indexable;
 717                                         File *source = get_audio_source(asset);
 718                                         if(!source)
 719                                                 return;
 720
 721                                         source->set_channel(item->channel);
 722                                         source->set_audio_position(sample);
 723                                         source->read_samples(audio_buffer, fragment);
 724                                 }
 725
 726                                 audio_asset_id = item->indexable->id;
 727                                 audio_channel = item->channel;
 728                                 audio_start = sample;
 729                                 audio_samples = fragment;
 730                         }
 731
 732
 733                         value = buffer_samples[sample - audio_start];
 734                         if(first_sample)
 735                         {
 736                                 high = low = value;
 737                                 first_sample = 0;
 738                         }
 739                         else
 740                         {
 741                                 if(value > high)
 742                                         high = value;
 743                                 else
 744                                 if(value < low)
 745                                         low = value;
 746                         }
 747                 }
 748                 if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 749
 750 // If it's a nested EDL, store all the channels
 751                 mwindow->wave_cache->put_wave(item->indexable,
 752                         item->channel,
 753                         item->start,
 754                         item->end,
 755                         high,
 756                         low);
 757                 if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 758         }
 759         if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 760
 761 // Allow escape here
 762         if(interrupted)
 763                 return;
 764
 765         if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 766 // Draw the column
 767         mwindow->gui->lock_window("ResourceThread::do_audio");
 768         if(interrupted)
 769         {
 770                 mwindow->gui->unlock_window();
 771                 return;
 772         }
 773
 774         if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 775         if(item->operation_count == operation_count)
 776         {
 777
 778 // Test for pixmap existence first
 779                 ArrayList<ResourcePixmap*> &resource_pixmaps = gui->resource_pixmaps;
 780                 int i = resource_pixmaps.total;
 781                 while( --i >= 0 && resource_pixmaps[i] != item->pixmap );
 782                 if( i >= 0 )
 783                 {
 784                         if(prev_x == item->x - 1)
 785                         {
 786                                 high = MAX(high, prev_l);
 787                                 low = MIN(low, prev_h);
 788                         }
 789                         prev_x = item->x;
 790                         prev_h = high;
 791                         prev_l = low;
 792                         if(gui->pane[item->pane_number])
 793                                 item->pixmap->draw_wave(
 794                                         gui->pane[item->pane_number]->canvas,
 795                                         item->x,
 796                                         high,
 797                                         low);
 798                         if(timer->get_difference() > 250 || item->last)
 799                         {
 800                                 mwindow->gui->update(0, 3, 0, 0, 0, 0, 0);
 801                                 timer->update();
 802                         }
 803                 }
 804         }
 805         if(debug) printf("ResourceThread::do_audio %d\n", __LINE__);
 806
 807         mwindow->gui->unlock_window();
 808
 809 }
 810
 811
 812
 813