cinelerra/renderengine.C

   1 #include "amodule.h"
   2 #include "arender.h"
   3 #include "asset.h"
   4 #include "audiodevice.h"
   5 #include "bcsignals.h"
   6 #include "channeldb.h"
   7 #include "condition.h"
   8 #include "edl.h"
   9 #include "edlsession.h"
  10 #include "mutex.h"
  11 #include "mwindow.h"
  12 #include "playbackengine.h"
  13 #include "preferences.h"
  14 #include "preferencesthread.h"
  15 #include "renderengine.h"
  16 #include "mainsession.h"
  17 #include "tracks.h"
  18 #include "transportque.h"
  19 #include "videodevice.h"
  20 #include "vrender.h"
  21 #include "workarounds.h"
  22
  23
  24
  25 RenderEngine::RenderEngine(PlaybackEngine *playback_engine,
  26         Preferences *preferences,
  27         TransportCommand *command,
  28         Canvas *output,
  29         ArrayList<PluginServer*> *plugindb,
  30         ChannelDB *channeldb)
  31  : Thread(1, 0, 0)
  32 {
  33         this->playback_engine = playback_engine;
  34         this->output = output;
  35         this->plugindb = plugindb;
  36         this->channeldb = channeldb;
  37         audio = 0;
  38         video = 0;
  39         config = new PlaybackConfig;
  40         arender = 0;
  41         vrender = 0;
  42         do_audio = 0;
  43         do_video = 0;
  44         interrupted = 0;
  45         actual_frame_rate = 0;
  46         this->preferences = new Preferences;
  47         this->command = new TransportCommand;
  48         this->preferences->copy_from(preferences);
  49         this->command->copy_from(command);
  50         edl = new EDL;
  51         edl->create_objects();
  52 // EDL only changed in construction.
  53 // The EDL contained in later commands is ignored.
  54         edl->copy_all(command->get_edl());
  55         audio_cache = 0;
  56         video_cache = 0;
  57         if(playback_engine && playback_engine->mwindow)
  58                 mwindow = playback_engine->mwindow;
  59         else
  60                 mwindow = 0;
  61         show_tc = 0;
  62
  63
  64         input_lock = new Condition(1, "RenderEngine::input_lock");
  65         start_lock = new Condition(1, "RenderEngine::start_lock");
  66         output_lock = new Condition(1, "RenderEngine::output_lock");
  67         interrupt_lock = new Mutex("RenderEngine::interrupt_lock");
  68         first_frame_lock = new Condition(1, "RenderEngine::first_frame_lock");
  69         reset_parameters();
  70 }
  71
  72 RenderEngine::~RenderEngine()
  73 {
  74         close_output();
  75         delete command;
  76         delete preferences;
  77         if(arender) delete arender;
  78         if(vrender) delete vrender;
  79         delete edl;
  80         delete input_lock;
  81         delete start_lock;
  82         delete output_lock;
  83         delete interrupt_lock;
  84         delete first_frame_lock;
  85         delete config;
  86 }
  87
  88 int RenderEngine::arm_command(TransportCommand *command,
  89         int &current_vchannel,
  90         int &current_achannel)
  91 {
  92 // Prevent this renderengine from accepting another command until finished.
  93 // Since the renderengine is often deleted after the input_lock command it must
  94 // be locked here as well as in the calling routine.
  95
  96
  97         input_lock->lock("RenderEngine::arm_command");
  98
  99
 100         this->command->copy_from(command);
 101
 102 // Fix background rendering asset to use current dimensions and ignore
 103 // headers.
 104         preferences->brender_asset->frame_rate = command->get_edl()->session->frame_rate;
 105         preferences->brender_asset->width = command->get_edl()->session->output_w;
 106         preferences->brender_asset->height = command->get_edl()->session->output_h;
 107         preferences->brender_asset->use_header = 0;
 108         preferences->brender_asset->layers = 1;
 109         preferences->brender_asset->video_data = 1;
 110
 111         done = 0;
 112         interrupted = 0;
 113
 114 // Retool configuration for this node
 115         this->config->copy_from(command->get_edl()->session->playback_config);
 116         VideoOutConfig *vconfig = this->config->vconfig;
 117         AudioOutConfig *aconfig = this->config->aconfig;
 118         if(command->realtime)
 119         {
 120                 if(command->single_frame() && vconfig->driver != PLAYBACK_X11_GL)
 121                 {
 122                         vconfig->driver = PLAYBACK_X11;
 123                 }
 124         }
 125         else
 126         {
 127                 vconfig->driver = PLAYBACK_X11;
 128         }
 129
 130
 131
 132         get_duty();
 133
 134         if(do_audio)
 135         {
 136                 fragment_len = aconfig->fragment_size;
 137 // Larger of audio_module_fragment and fragment length adjusted for speed
 138 // Extra memory must be allocated for rendering slow motion.
 139                 adjusted_fragment_len = (int64_t)((float)aconfig->fragment_size /
 140                         command->get_speed() + 0.5);
 141                 if(adjusted_fragment_len < aconfig->fragment_size)
 142                         adjusted_fragment_len = aconfig->fragment_size;
 143         }
 144
 145 // Set lock so audio doesn't start until video has started.
 146         if(do_video)
 147         {
 148                 while(first_frame_lock->get_value() > 0)
 149                         first_frame_lock->lock("RenderEngine::arm_command");
 150         }
 151         else
 152 // Set lock so audio doesn't wait for video which is never to come.
 153         {
 154                 while(first_frame_lock->get_value() <= 0)
 155                         first_frame_lock->unlock();
 156         }
 157
 158         open_output();
 159         create_render_threads();
 160         arm_render_threads();
 161
 162         return 0;
 163 }
 164
 165 void RenderEngine::get_duty()
 166 {
 167         do_audio = 0;
 168         do_video = 0;
 169
 170 //edl->dump();
 171         if(!command->single_frame() &&
 172                 edl->tracks->playable_audio_tracks() &&
 173                 edl->session->audio_channels)
 174         {
 175                 do_audio = 1;
 176         }
 177
 178         if(edl->tracks->playable_video_tracks())
 179         {
 180                 do_video = 1;
 181         }
 182 }
 183
 184 void RenderEngine::create_render_threads()
 185 {
 186         if(do_video && !vrender)
 187         {
 188                 vrender = new VRender(this);
 189         }
 190
 191         if(do_audio && !arender)
 192         {
 193                 arender = new ARender(this);
 194         }
 195 }
 196
 197
 198 int RenderEngine::get_output_w()
 199 {
 200         return edl->session->output_w;
 201 }
 202
 203 int RenderEngine::get_output_h()
 204 {
 205         return edl->session->output_h;
 206 }
 207
 208 int RenderEngine::brender_available(int position, int direction)
 209 {
 210         if(playback_engine)
 211         {
 212                 int64_t corrected_position = position;
 213                 if(direction == PLAY_REVERSE)
 214                         corrected_position--;
 215                 return playback_engine->brender_available(corrected_position);
 216         }
 217         else
 218                 return 0;
 219 }
 220
 221 Channel* RenderEngine::get_current_channel()
 222 {
 223         if(channeldb)
 224         {
 225                 switch(config->vconfig->driver)
 226                 {
 227                         case PLAYBACK_BUZ:
 228                                 if(config->vconfig->buz_out_channel >= 0 &&
 229                                         config->vconfig->buz_out_channel < channeldb->size())
 230                                 {
 231                                         return channeldb->get(config->vconfig->buz_out_channel);
 232                                 }
 233                                 break;
 234                         case VIDEO4LINUX2JPEG:
 235
 236                                 break;
 237                 }
 238         }
 239         return 0;
 240 }
 241
 242 CICache* RenderEngine::get_acache()
 243 {
 244         if(playback_engine)
 245                 return playback_engine->audio_cache;
 246         else
 247                 return audio_cache;
 248 }
 249
 250 CICache* RenderEngine::get_vcache()
 251 {
 252         if(playback_engine)
 253                 return playback_engine->video_cache;
 254         else
 255                 return video_cache;
 256 }
 257
 258 void RenderEngine::set_acache(CICache *cache)
 259 {
 260         this->audio_cache = cache;
 261 }
 262
 263 void RenderEngine::set_vcache(CICache *cache)
 264 {
 265         this->video_cache = cache;
 266 }
 267
 268
 269 double RenderEngine::get_tracking_position()
 270 {
 271         if(playback_engine)
 272                 return playback_engine->get_tracking_position();
 273         else
 274                 return 0;
 275 }
 276
 277 int RenderEngine::open_output()
 278 {
 279         if(command->realtime)
 280         {
 281 // Allocate devices
 282                 if(do_audio)
 283                 {
 284                         audio = new AudioDevice;
 285                         if (audio->open_output(config->aconfig,
 286                                 edl->session->sample_rate,
 287                                 adjusted_fragment_len,
 288                                 edl->session->audio_channels,
 289                                 edl->session->real_time_playback))
 290                         {
 291                                 do_audio = 0;
 292                                 delete audio;
 293                                 audio = 0;
 294                         }
 295                 }
 296
 297                 if(do_video)
 298                 {
 299                         video = new VideoDevice;
 300                 }
 301
 302 // Initialize sharing
 303
 304
 305 // Start playback
 306                 if(do_audio && do_video)
 307                 {
 308                         video->set_adevice(audio);
 309                         audio->set_vdevice(video);
 310                 }
 311
 312
 313
 314 // Retool playback configuration
 315                 if(do_audio)
 316                 {
 317                         audio->set_software_positioning(edl->session->playback_software_position);
 318                         audio->start_playback();
 319                 }
 320
 321                 if(do_video)
 322                 {
 323                         video->open_output(config->vconfig,
 324                                 edl->session->frame_rate,
 325                                 get_output_w(),
 326                                 get_output_h(),
 327                                 output,
 328                                 command->single_frame());
 329                         Channel *channel = get_current_channel();
 330                         if(channel) video->set_channel(channel);
 331                         video->set_quality(80);
 332                         video->set_cpus(preferences->processors);
 333                 }
 334         }
 335
 336         return 0;
 337 }
 338
 339 int64_t RenderEngine::session_position()
 340 {
 341         if(do_audio)
 342         {
 343                 return audio->current_position();
 344         }
 345
 346         if(do_video)
 347         {
 348                 return (int64_t)((double)vrender->session_frame /
 349                                 edl->session->frame_rate *
 350                                 edl->session->sample_rate /
 351                                 command->get_speed() + 0.5);
 352         }
 353 }
 354
 355 void RenderEngine::reset_sync_position()
 356 {
 357         timer.update();
 358 }
 359
 360 int64_t RenderEngine::sync_position()
 361 {
 362 // Use audio device
 363 // No danger of race conditions because the output devices are closed after all
 364 // threads join.
 365         if(do_audio)
 366         {
 367                 return audio->current_position();
 368         }
 369
 370         if(do_video)
 371         {
 372                 int64_t result = timer.get_scaled_difference(
 373                         edl->session->sample_rate);
 374                 return result;
 375         }
 376 }
 377
 378 PluginServer* RenderEngine::scan_plugindb(char *title,
 379         int data_type)
 380 {
 381         for(int i = 0; i < plugindb->total; i++)
 382         {
 383                 PluginServer *server = plugindb->values[i];
 384                 if(!strcasecmp(server->title, title) &&
 385                         ((data_type == TRACK_AUDIO && server->audio) ||
 386                         (data_type == TRACK_VIDEO && server->video)))
 387                         return plugindb->values[i];
 388         }
 389         return 0;
 390 }
 391
 392 int RenderEngine::start_command()
 393 {
 394         if(command->realtime)
 395         {
 396                 interrupt_lock->lock("RenderEngine::start_command");
 397                 start_lock->lock("RenderEngine::start_command 1");
 398                 Thread::start();
 399                 start_lock->lock("RenderEngine::start_command 2");
 400                 start_lock->unlock();
 401         }
 402         return 0;
 403 }
 404
 405 void RenderEngine::arm_render_threads()
 406 {
 407         if(do_audio)
 408         {
 409                 arender->arm_command();
 410         }
 411
 412         if(do_video)
 413         {
 414                 vrender->arm_command();
 415         }
 416 }
 417
 418
 419 void RenderEngine::start_render_threads()
 420 {
 421 // Synchronization timer.  Gets reset once again after the first video frame.
 422         timer.update();
 423
 424         if(do_audio)
 425         {
 426                 arender->start_command();
 427         }
 428
 429         if(do_video)
 430         {
 431                 vrender->start_command();
 432         }
 433 }
 434
 435 void RenderEngine::update_framerate(float framerate)
 436 {
 437         playback_engine->mwindow->edl->session->actual_frame_rate = framerate;
 438         playback_engine->mwindow->preferences_thread->update_framerate();
 439 }
 440
 441 void RenderEngine::wait_render_threads()
 442 {
 443         if(do_audio)
 444         {
 445                 arender->Thread::join();
 446         }
 447
 448         if(do_video)
 449         {
 450                 vrender->Thread::join();
 451         }
 452 }
 453
 454 void RenderEngine::interrupt_playback()
 455 {
 456         interrupt_lock->lock("RenderEngine::interrupt_playback");
 457         interrupted = 1;
 458         if(audio)
 459         {
 460                 audio->interrupt_playback();
 461         }
 462         if(video)
 463         {
 464 //printf("RenderEngine::interrupt_playback 3 %p\n", this);
 465                 video->interrupt_playback();
 466 //printf("RenderEngine::interrupt_playback 4 %p\n", this);
 467         }
 468         interrupt_lock->unlock();
 469 }
 470
 471 int RenderEngine::close_output()
 472 {
 473         if(audio)
 474         {
 475                 audio->close_all();
 476                 delete audio;
 477                 audio = 0;
 478         }
 479
 480
 481
 482         if(video)
 483         {
 484                 video->close_all();
 485                 delete video;
 486                 video = 0;
 487         }
 488         return 0;
 489 }
 490
 491 void RenderEngine::get_output_levels(double *levels, int64_t position)
 492 {
 493         if(do_audio)
 494         {
 495                 int history_entry = arender->get_history_number(arender->level_samples,
 496                         position);
 497                 for(int i = 0; i < MAXCHANNELS; i++)
 498                 {
 499                         if(arender->audio_out[i])
 500                                 levels[i] = arender->level_history[i][history_entry];
 501                 }
 502         }
 503 }
 504
 505 void RenderEngine::get_module_levels(ArrayList<double> *module_levels, int64_t position)
 506 {
 507         if(do_audio)
 508         {
 509                 for(int i = 0; i < arender->total_modules; i++)
 510                 {
 511 //printf("RenderEngine::get_module_levels %p %p\n", ((AModule*)arender->modules[i]), ((AModule*)arender->modules[i])->level_samples);
 512                         int history_entry = arender->get_history_number(((AModule*)arender->modules[i])->level_samples, position);
 513
 514                         module_levels->append(((AModule*)arender->modules[i])->level_history[history_entry]);
 515                 }
 516         }
 517 }
 518
 519
 520
 521
 522
 523 void RenderEngine::run()
 524 {
 525         start_render_threads();
 526         start_lock->unlock();
 527         interrupt_lock->unlock();
 528
 529         wait_render_threads();
 530
 531         interrupt_lock->lock("RenderEngine::run");
 532
 533
 534         if(interrupted)
 535         {
 536                 playback_engine->tracking_position = playback_engine->get_tracking_position();
 537         }
 538
 539         close_output();
 540
 541 // Fix the tracking position
 542         if(playback_engine)
 543         {
 544                 if(command->command == CURRENT_FRAME)
 545                 {
 546 //printf("RenderEngine::run 4.1 %d\n", playback_engine->tracking_position);
 547                         playback_engine->tracking_position = command->playbackstart;
 548                 }
 549                 else
 550                 {
 551 // Make sure transport doesn't issue a pause command next
 552 //printf("RenderEngine::run 4.1 %d\n", playback_engine->tracking_position);
 553                         if(!interrupted)
 554                         {
 555                                 if(do_audio)
 556                                         playback_engine->tracking_position =
 557                                                 (double)arender->current_position /
 558                                                         command->get_edl()->session->sample_rate;
 559                                 else
 560                                 if(do_video)
 561                                 {
 562                                         playback_engine->tracking_position =
 563                                                 (double)vrender->current_position /
 564                                                         command->get_edl()->session->frame_rate;
 565                                 }
 566                         }
 567
 568                         if(!interrupted) playback_engine->command->command = STOP;
 569                         playback_engine->stop_tracking();
 570
 571                 }
 572                 playback_engine->is_playing_back = 0;
 573         }
 574
 575         input_lock->unlock();
 576         interrupt_lock->unlock();
 577 }
 578
 579
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 602
 603 int RenderEngine::reset_parameters()
 604 {
 605         start_position = 0;
 606         follow_loop = 0;
 607         end_position = 0;
 608         infinite = 0;
 609         start_position = 0;
 610         do_audio = 0;
 611         do_video = 0;
 612         done = 0;
 613 }
 614
 615 int RenderEngine::arm_playback_audio(int64_t input_length,
 616                         int64_t amodule_render_fragment,
 617                         int64_t playback_buffer,
 618                         int64_t output_length)
 619 {
 620
 621         do_audio = 1;
 622
 623         arender = new ARender(this);
 624         arender->arm_playback(current_sample,
 625                                                         input_length,
 626                                                         amodule_render_fragment,
 627                                                         playback_buffer,
 628                                                         output_length);
 629 }
 630
 631 int RenderEngine::arm_playback_video(int every_frame,
 632                         int64_t read_length,
 633                         int64_t output_length,
 634                         int track_w,
 635                         int track_h,
 636                         int output_w,
 637                         int output_h)
 638 {
 639         do_video = 1;
 640         this->every_frame = every_frame;
 641
 642         vrender = new VRender(this);
 643 //      vrender->arm_playback(current_sample,
 644 //                                                      read_length,
 645 //                                                      output_length,
 646 //                                                      output_length,
 647 //                                                      track_w,
 648 //                                                      track_h,
 649 //                                                      output_w,
 650 //                                                      output_h);
 651 }
 652
 653 int RenderEngine::start_video()
 654 {
 655 // start video for realtime
 656         if(video) video->start_playback();
 657         vrender->start_playback();
 658 }
 659
 660
 661 int64_t RenderEngine::get_correction_factor(int reset)
 662 {
 663         if(!every_frame)
 664         {
 665                 int64_t x;
 666 //              x = playbackengine->correction_factor;
 667 //              if(reset) playbackengine->correction_factor = 0;
 668                 return x;
 669         }
 670         else
 671                 return 0;
 672 }
 673
 674 /*
 675 //      Local Variables:
 676 //      mode: C++
 677 //      c-file-style: "linux"
 678 //      End:
 679 */