cinelerra/pluginserver.C

   1 #include "amodule.h"
   2 #include "atrack.h"
   3 #include "attachmentpoint.h"
   4 #include "autoconf.h"
   5 #include "bcsignals.h"
   6 #include "cplayback.h"
   7 #include "cwindow.h"
   8 #include "edl.h"
   9 #include "edlsession.h"
  10 #include "floatautos.h"
  11 #include "localsession.h"
  12 #include "mainprogress.h"
  13 #include "mainundo.h"
  14 #include "menueffects.h"
  15 #include "mwindow.h"
  16 #include "mwindowgui.h"
  17 #include "playbackengine.h"
  18 #include "plugin.h"
  19 #include "pluginaclient.h"
  20 #include "pluginaclientlad.h"
  21 #include "pluginclient.h"
  22 #include "plugincommands.h"
  23 #include "pluginserver.h"
  24 #include "pluginvclient.h"
  25 #include "preferences.h"
  26 #include "sema.h"
  27 #include "mainsession.h"
  28 #include "trackcanvas.h"
  29 #include "transportque.h"
  30 #include "vdevicex11.h"
  31 #include "vframe.h"
  32 #include "videodevice.h"
  33 #include "virtualanode.h"
  34 #include "virtualvnode.h"
  35 #include "vmodule.h"
  36 #include "vtrack.h"
  37
  38
  39 #include <sys/types.h>
  40 #include <sys/wait.h>
  41 #include <dlfcn.h>
  42
  43
  44 PluginServer::PluginServer()
  45 {
  46         reset_parameters();
  47         modules = new ArrayList<Module*>;
  48         nodes = new ArrayList<VirtualNode*>;
  49 }
  50
  51 PluginServer::PluginServer(char *path)
  52 {
  53         reset_parameters();
  54         set_path(path);
  55         modules = new ArrayList<Module*>;
  56         nodes = new ArrayList<VirtualNode*>;
  57 }
  58
  59 PluginServer::PluginServer(PluginServer &that)
  60 {
  61         reset_parameters();
  62
  63         if(that.title)
  64         {
  65                 title = new char[strlen(that.title) + 1];
  66                 strcpy(title, that.title);
  67         }
  68
  69         if(that.path)
  70         {
  71                 path = new char[strlen(that.path) + 1];
  72                 strcpy(path, that.path);
  73         }
  74
  75         modules = new ArrayList<Module*>;
  76         nodes = new ArrayList<VirtualNode*>;
  77
  78         attachment = that.attachment;
  79         realtime = that.realtime;
  80         multichannel = that.multichannel;
  81         preferences = that.preferences;
  82         synthesis = that.synthesis;
  83         audio = that.audio;
  84         video = that.video;
  85         theme = that.theme;
  86         fileio = that.fileio;
  87         uses_gui = that.uses_gui;
  88         mwindow = that.mwindow;
  89         keyframe = that.keyframe;
  90         plugin_fd = that.plugin_fd;
  91         new_plugin = that.new_plugin;
  92
  93         is_lad = that.is_lad;
  94         lad_descriptor = that.lad_descriptor;
  95         lad_descriptor_function = that.lad_descriptor_function;
  96 }
  97
  98 PluginServer::~PluginServer()
  99 {
 100         close_plugin();
 101         if(path) delete [] path;
 102         if(title) delete [] title;
 103         if(modules) delete modules;
 104         if(nodes) delete nodes;
 105         if(picon) delete picon;
 106 }
 107
 108 // Done only once at creation
 109 int PluginServer::reset_parameters()
 110 {
 111         mwindow = 0;
 112         keyframe = 0;
 113         prompt = 0;
 114         cleanup_plugin();
 115         plugin_fd = 0;
 116         autos = 0;
 117         plugin = 0;
 118         edl = 0;
 119         preferences = 0;
 120         title = 0;
 121         path = 0;
 122         audio = video = theme = 0;
 123         uses_gui = 0;
 124         realtime = multichannel = fileio = 0;
 125         synthesis = 0;
 126         start_auto = end_auto = 0;
 127         picon = 0;
 128         transition = 0;
 129         new_plugin = 0;
 130         client = 0;
 131         use_opengl = 0;
 132         vdevice = 0;
 133
 134         is_lad = 0;
 135         lad_descriptor_function = 0;
 136         lad_descriptor = 0;
 137 }
 138
 139
 140 // Done every time the plugin is opened or closed
 141 int PluginServer::cleanup_plugin()
 142 {
 143         in_buffer_size = out_buffer_size = 0;
 144         total_in_buffers = total_out_buffers = 0;
 145         error_flag = 0;
 146         written_samples = 0;
 147         shared_buffers = 0;
 148         new_buffers = 0;
 149         written_samples = written_frames = 0;
 150         gui_on = 0;
 151         plugin = 0;
 152         plugin_open = 0;
 153 }
 154
 155 void PluginServer::set_mwindow(MWindow *mwindow)
 156 {
 157         this->mwindow = mwindow;
 158 }
 159
 160 void PluginServer::set_attachmentpoint(AttachmentPoint *attachmentpoint)
 161 {
 162         this->attachmentpoint = attachmentpoint;
 163 }
 164
 165 void PluginServer::set_keyframe(KeyFrame *keyframe)
 166 {
 167         this->keyframe = keyframe;
 168 }
 169
 170 void PluginServer::set_prompt(MenuEffectPrompt *prompt)
 171 {
 172         this->prompt = prompt;
 173 }
 174
 175
 176 int PluginServer::set_path(char *path)
 177 {
 178         if(this->path) delete [] this->path;
 179         this->path = new char[strlen(path) + 1];
 180         strcpy(this->path, path);
 181 }
 182
 183 void PluginServer::set_title(char *string)
 184 {
 185         if(title) delete [] title;
 186         title = new char[strlen(string) + 1];
 187         strcpy(title, string);
 188 }
 189
 190 void PluginServer::generate_display_title(char *string)
 191 {
 192         if(plugin && plugin->track)
 193                 sprintf(string, "%s: %s", plugin->track->title, title);
 194         else
 195                 strcpy(string, title);
 196 }
 197
 198 // Open plugin for signal processing
 199 int PluginServer::open_plugin(int master,
 200         Preferences *preferences,
 201         EDL *edl,
 202         Plugin *plugin,
 203         int lad_index)
 204 {
 205         if(plugin_open) return 0;
 206
 207         this->preferences = preferences;
 208         this->plugin = plugin;
 209         this->edl = edl;
 210
 211
 212
 213         if(!new_plugin && !plugin_fd) plugin_fd = dlopen(path, RTLD_NOW);
 214
 215         if(!new_plugin && !plugin_fd)
 216         {
 217 // If the dlopen failed it may still be an executable tool for a specific
 218 // file format, in which case we just store the path.
 219                 set_title(path);
 220                 char string[BCTEXTLEN];
 221                 strcpy(string, dlerror());
 222
 223                 if(!strstr(string, "executable"))
 224                         printf("PluginServer::open_plugin: %s\n", string);
 225
 226                 return 0;
 227         }
 228
 229
 230         if(!new_plugin && !lad_descriptor)
 231         {
 232                 new_plugin = (PluginClient* (*)(PluginServer*))dlsym(plugin_fd, "new_plugin");
 233
 234 // Probably a LAD plugin but we're not going to instantiate it here anyway.
 235                 if(!new_plugin)
 236                 {
 237                         lad_descriptor_function = (LADSPA_Descriptor_Function)dlsym(
 238                                 plugin_fd,
 239                                 "ladspa_descriptor");
 240
 241                         if(!lad_descriptor_function)
 242                         {
 243 // Not a recognized plugin
 244                                 fprintf(stderr, "PluginServer::open_plugin: new_plugin undefined in %s\n", path);
 245                                 dlclose(plugin_fd);
 246                                 plugin_fd = 0;
 247                                 return PLUGINSERVER_NOT_RECOGNIZED;
 248                         }
 249                         else
 250                         {
 251 // LAD plugin,  Load the descriptor and get parameters.
 252                                 is_lad = 1;
 253                                 if(lad_index >= 0)
 254                                 {
 255                                         lad_descriptor = lad_descriptor_function(lad_index);
 256                                 }
 257
 258 // make plugin initializer handle the subplugins in the LAD plugin or stop
 259 // trying subplugins.
 260                                 if(!lad_descriptor)
 261                                 {
 262                                         dlclose(plugin_fd);
 263                                         plugin_fd = 0;
 264                                         return PLUGINSERVER_IS_LAD;
 265                                 }
 266                         }
 267                 }
 268         }
 269
 270
 271         if(is_lad)
 272         {
 273                 client = new PluginAClientLAD(this);
 274         }
 275         else
 276         {
 277                 client = new_plugin(this);
 278         }
 279
 280         realtime = client->is_realtime();
 281         audio = client->is_audio();
 282         video = client->is_video();
 283         theme = client->is_theme();
 284         fileio = client->is_fileio();
 285         uses_gui = client->uses_gui();
 286         multichannel = client->is_multichannel();
 287         synthesis = client->is_synthesis();
 288         transition = client->is_transition();
 289         set_title(client->plugin_title());
 290
 291         if(master)
 292         {
 293                 picon = client->new_picon();
 294         }
 295
 296 //printf("PluginServer::open_plugin 2\n");
 297         plugin_open = 1;
 298         return PLUGINSERVER_OK;
 299 }
 300
 301 int PluginServer::close_plugin()
 302 {
 303         if(!plugin_open) return 0;
 304
 305         int plugin_status, result;
 306         if(client) delete client;
 307
 308 // shared object is persistent since plugin deletion would unlink its own object
 309 //      dlclose(plugin_fd);
 310         plugin_open = 0;
 311
 312         cleanup_plugin();
 313
 314         return 0;
 315 }
 316
 317 void PluginServer::client_side_close()
 318 {
 319 // Last command executed in client thread
 320         if(plugin)
 321                 mwindow->hide_plugin(plugin, 1);
 322         else
 323         if(prompt)
 324         {
 325                 prompt->lock_window();
 326                 prompt->set_done(1);
 327                 prompt->unlock_window();
 328         }
 329 }
 330
 331 void PluginServer::render_stop()
 332 {
 333         if(client)
 334                 client->render_stop();
 335 }
 336
 337
 338 int PluginServer::init_realtime(int realtime_sched,
 339                 int total_in_buffers,
 340                 int buffer_size)
 341 {
 342
 343         if(!plugin_open) return 0;
 344
 345 // set for realtime priority
 346 // initialize plugin
 347 // Call start_realtime
 348         this->total_in_buffers = this->total_out_buffers = total_in_buffers;
 349         client->plugin_init_realtime(realtime_sched,
 350                 total_in_buffers,
 351                 buffer_size);
 352
 353 }
 354
 355
 356 // Replaced by pull method but still needed for transitions
 357 void PluginServer::process_transition(VFrame *input,
 358                 VFrame *output,
 359                 int64_t current_position,
 360                 int64_t total_len)
 361 {
 362         if(!plugin_open) return;
 363         PluginVClient *vclient = (PluginVClient*)client;
 364
 365         vclient->source_position = current_position;
 366         vclient->source_start = 0;
 367         vclient->total_len = total_len;
 368
 369         vclient->input = new VFrame*[1];
 370         vclient->output = new VFrame*[1];
 371
 372         vclient->input[0] = input;
 373         vclient->output[0] = output;
 374
 375         vclient->process_realtime(input, output);
 376         vclient->age_temp();
 377         delete [] vclient->input;
 378         delete [] vclient->output;
 379         use_opengl = 0;
 380 }
 381
 382 void PluginServer::process_transition(double *input,
 383                 double *output,
 384                 int64_t current_position,
 385                 int64_t fragment_size,
 386                 int64_t total_len)
 387 {
 388         if(!plugin_open) return;
 389         PluginAClient *aclient = (PluginAClient*)client;
 390
 391         aclient->source_position = current_position;
 392         aclient->total_len = total_len;
 393         aclient->source_start = 0;
 394         aclient->process_realtime(fragment_size,
 395                 input,
 396                 output);
 397 }
 398
 399
 400 void PluginServer::process_buffer(VFrame **frame,
 401         int64_t current_position,
 402         double frame_rate,
 403         int64_t total_len,
 404         int direction)
 405 {
 406         if(!plugin_open) return;
 407         PluginVClient *vclient = (PluginVClient*)client;
 408
 409         vclient->source_position = current_position;
 410         vclient->total_len = total_len;
 411         vclient->frame_rate = frame_rate;
 412         vclient->input = new VFrame*[total_in_buffers];
 413         vclient->output = new VFrame*[total_in_buffers];
 414         for(int i = 0; i < total_in_buffers; i++)
 415         {
 416                 vclient->input[i] = frame[i];
 417                 vclient->output[i] = frame[i];
 418         }
 419         vclient->source_start = (int64_t)(plugin ?
 420                 plugin->startproject *
 421                 frame_rate /
 422                 vclient->project_frame_rate :
 423                 0);
 424         vclient->direction = direction;
 425
 426
 427         if(multichannel)
 428         {
 429                 vclient->process_buffer(frame, current_position, frame_rate);
 430         }
 431         else
 432         {
 433                 vclient->process_buffer(frame[0], current_position, frame_rate);
 434         }
 435
 436         for(int i = 0; i < total_in_buffers; i++)
 437                 frame[i]->push_prev_effect(title);
 438
 439         delete [] vclient->input;
 440         delete [] vclient->output;
 441
 442     vclient->age_temp();
 443         use_opengl = 0;
 444 }
 445
 446 void PluginServer::process_buffer(double **buffer,
 447         int64_t current_position,
 448         int64_t fragment_size,
 449         int64_t sample_rate,
 450         int64_t total_len,
 451         int direction)
 452 {
 453         if(!plugin_open) return;
 454         PluginAClient *aclient = (PluginAClient*)client;
 455         aclient->source_position = current_position;
 456         aclient->total_len = total_len;
 457         aclient->sample_rate = sample_rate;
 458         if(plugin)
 459                 aclient->source_start = plugin->startproject *
 460                         sample_rate /
 461                         aclient->project_sample_rate;
 462         aclient->direction = direction;
 463         if(multichannel)
 464                 aclient->process_buffer(fragment_size,
 465                         buffer,
 466                         current_position,
 467                         sample_rate);
 468         else
 469         {
 470                 aclient->process_buffer(fragment_size,
 471                         buffer[0],
 472                         current_position,
 473                         sample_rate);
 474         }
 475 }
 476
 477
 478 void PluginServer::send_render_gui(void *data)
 479 {
 480 //printf("PluginServer::send_render_gui 1 %p\n", attachmentpoint);
 481         if(attachmentpoint) attachmentpoint->render_gui(data);
 482 }
 483
 484 void PluginServer::send_render_gui(void *data, int size)
 485 {
 486 //printf("PluginServer::send_render_gui 1 %p\n", attachmentpoint);
 487         if(attachmentpoint) attachmentpoint->render_gui(data, size);
 488 }
 489
 490 void PluginServer::render_gui(void *data)
 491 {
 492         if(client) client->plugin_render_gui(data);
 493 }
 494
 495 void PluginServer::render_gui(void *data, int size)
 496 {
 497         if(client) client->plugin_render_gui(data, size);
 498 }
 499
 500 MainProgressBar* PluginServer::start_progress(char *string, int64_t length)
 501 {
 502         mwindow->gui->lock_window();
 503         MainProgressBar *result = mwindow->mainprogress->start_progress(string, length);
 504         mwindow->gui->unlock_window();
 505         return result;
 506 }
 507
 508 int64_t PluginServer::get_written_samples()
 509 {
 510         if(!plugin_open) return 0;
 511         return written_samples;
 512 }
 513
 514 int64_t PluginServer::get_written_frames()
 515 {
 516         if(!plugin_open) return 0;
 517         return written_frames;
 518 }
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529 // ======================= Non-realtime plugin
 530
 531 int PluginServer::get_parameters(int64_t start, int64_t end, int channels)
 532 {
 533         if(!plugin_open) return 0;
 534
 535         client->start = start;
 536         client->end = end;
 537         client->source_start = start;
 538         client->total_len = end - start;
 539         client->total_in_buffers = channels;
 540         return client->plugin_get_parameters();
 541 }
 542
 543 int PluginServer::set_interactive()
 544 {
 545         if(!plugin_open) return 0;
 546         client->set_interactive();
 547         return 0;
 548 }
 549
 550 void PluginServer::append_module(Module *module)
 551 {
 552         modules->append(module);
 553 }
 554
 555 void PluginServer::append_node(VirtualNode *node)
 556 {
 557         nodes->append(node);
 558 }
 559
 560 void PluginServer::reset_nodes()
 561 {
 562         nodes->remove_all();
 563 }
 564
 565 int PluginServer::set_error()
 566 {
 567         error_flag = 1;
 568         return 0;
 569 }
 570
 571 int PluginServer::set_realtime_sched()
 572 {
 573         struct sched_param params;
 574         params.sched_priority = 1;
 575         return 0;
 576 }
 577
 578
 579 int PluginServer::process_loop(VFrame **buffers, int64_t &write_length)
 580 {
 581         if(!plugin_open) return 1;
 582         return client->plugin_process_loop(buffers, write_length);
 583 }
 584
 585 int PluginServer::process_loop(double **buffers, int64_t &write_length)
 586 {
 587         if(!plugin_open) return 1;
 588         return client->plugin_process_loop(buffers, write_length);
 589 }
 590
 591
 592 int PluginServer::start_loop(int64_t start,
 593         int64_t end,
 594         int64_t buffer_size,
 595         int total_buffers)
 596 {
 597         if(!plugin_open) return 0;
 598         client->plugin_start_loop(start, end, buffer_size, total_buffers);
 599         return 0;
 600 }
 601
 602 int PluginServer::stop_loop()
 603 {
 604         if(!plugin_open) return 0;
 605         return client->plugin_stop_loop();
 606 }
 607
 608 int PluginServer::read_frame(VFrame *buffer,
 609         int channel,
 610         int64_t start_position)
 611 {
 612         ((VModule*)modules->values[channel])->render(buffer,
 613                 start_position,
 614                 PLAY_FORWARD,
 615                 mwindow->edl->session->frame_rate,
 616                 0,
 617                 0);
 618         return 0;
 619 }
 620
 621 int PluginServer::read_samples(double *buffer,
 622         int channel,
 623         int64_t start_position,
 624         int64_t total_samples)
 625 {
 626         ((AModule*)modules->values[channel])->render(buffer,
 627                 start_position,
 628                 total_samples,
 629                 PLAY_FORWARD,
 630                 mwindow->edl->session->sample_rate,
 631                 0);
 632         return 0;
 633 }
 634
 635 int PluginServer::read_frame(VFrame *buffer,
 636         int channel,
 637         int64_t start_position,
 638         double frame_rate,
 639         int use_opengl)
 640 {
 641 // Data source depends on whether we're part of a virtual console or a
 642 // plugin array.
 643 //     VirtualNode
 644 //     Module
 645 // If we're a VirtualNode, read_data in the virtual plugin node handles
 646 //     backward propogation and produces the data.
 647 // If we're a Module, render in the module produces the data.
 648
 649         int result = -1;
 650         if(!multichannel) channel = 0;
 651
 652 // Push our name on the next effect stack
 653         buffer->push_next_effect(title);
 654 //printf("PluginServer::read_frame %p\n", buffer);
 655 //buffer->dump_stacks();
 656
 657         if(nodes->total > channel)
 658         {
 659                 result = ((VirtualVNode*)nodes->values[channel])->read_data(buffer,
 660                         start_position,
 661                         frame_rate,
 662                         use_opengl);
 663         }
 664         else
 665         if(modules->total > channel)
 666         {
 667                 result = ((VModule*)modules->values[channel])->render(buffer,
 668                         start_position,
 669                         PLAY_FORWARD,
 670                         frame_rate,
 671                         0,
 672                         0,
 673                         use_opengl);
 674         }
 675         else
 676         {
 677                 printf("PluginServer::read_frame no object available for channel=%d\n",
 678                         channel);
 679         }
 680
 681 // Pop our name from the next effect stack
 682         buffer->pop_next_effect();
 683
 684         return result;
 685 }
 686
 687 int PluginServer::read_samples(double *buffer,
 688         int channel,
 689         int64_t sample_rate,
 690         int64_t start_position,
 691         int64_t len)
 692 {
 693         if(!multichannel) channel = 0;
 694
 695         if(nodes->total > channel)
 696                 return ((VirtualANode*)nodes->values[channel])->read_data(buffer,
 697                         start_position,
 698                         len,
 699                         sample_rate);
 700         else
 701         if(modules->total > channel)
 702                 return ((AModule*)modules->values[channel])->render(buffer,
 703                         start_position,
 704                         len,
 705                         PLAY_FORWARD,
 706                         sample_rate,
 707                         0);
 708         else
 709         {
 710                 printf("PluginServer::read_samples no object available for channel=%d\n",
 711                         channel);
 712         }
 713
 714         return -1;
 715 }
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736 // Called by client
 737 int PluginServer::get_gui_status()
 738 {
 739         if(plugin)
 740                 return plugin->show ? GUI_ON : GUI_OFF;
 741         else
 742                 return GUI_OFF;
 743 }
 744
 745 void PluginServer::raise_window()
 746 {
 747         if(!plugin_open) return;
 748         client->raise_window();
 749 }
 750
 751 void PluginServer::show_gui()
 752 {
 753         if(!plugin_open) return;
 754         client->smp = preferences->processors - 1;
 755         if(plugin) client->total_len = plugin->length;
 756         if(plugin) client->source_start = plugin->startproject;
 757         if(video)
 758         {
 759                 client->source_position = Units::to_int64(
 760                         mwindow->edl->local_session->get_selectionstart(1) *
 761                                 mwindow->edl->session->frame_rate);
 762         }
 763         else
 764         if(audio)
 765         {
 766                 client->source_position = Units::to_int64(
 767                         mwindow->edl->local_session->get_selectionstart(1) *
 768                                 mwindow->edl->session->sample_rate);
 769         }
 770         client->update_display_title();
 771         client->show_gui();
 772 }
 773
 774 void PluginServer::update_gui()
 775 {
 776         if(!plugin_open || !plugin) return;
 777
 778         client->total_len = plugin->length;
 779         client->source_start = plugin->startproject;
 780         if(video)
 781         {
 782                 client->source_position = Units::to_int64(
 783                         mwindow->edl->local_session->get_selectionstart(1) *
 784                                 mwindow->edl->session->frame_rate);
 785         }
 786         else
 787         if(audio)
 788         {
 789                 client->source_position = Units::to_int64(
 790                         mwindow->edl->local_session->get_selectionstart(1) *
 791                                 mwindow->edl->session->sample_rate);
 792         }
 793         client->update_gui();
 794 }
 795
 796 void PluginServer::update_title()
 797 {
 798         if(!plugin_open) return;
 799
 800         client->update_display_title();
 801 }
 802
 803
 804 int PluginServer::set_string(char *string)
 805 {
 806         if(!plugin_open) return 0;
 807
 808         client->set_string_client(string);
 809         return 0;
 810 }
 811
 812 int PluginServer::gui_open()
 813 {
 814         if(attachmentpoint) return attachmentpoint->gui_open();
 815         return 0;
 816 }
 817
 818 void PluginServer::set_use_opengl(int value, VideoDevice *vdevice)
 819 {
 820         this->use_opengl = value;
 821         this->vdevice = vdevice;
 822 }
 823
 824 int PluginServer::get_use_opengl()
 825 {
 826         return use_opengl;
 827 }
 828
 829
 830 void PluginServer::run_opengl(PluginClient *plugin_client)
 831 {
 832         if(vdevice)
 833                 ((VDeviceX11*)vdevice->get_output_base())->run_plugin(plugin_client);
 834 }
 835
 836 // ============================= queries
 837
 838 int PluginServer::get_samplerate()
 839 {
 840         if(!plugin_open) return 0;
 841         if(audio)
 842         {
 843                 return client->get_samplerate();
 844         }
 845         else
 846         if(mwindow)
 847                 return mwindow->edl->session->sample_rate;
 848         else
 849         {
 850                 printf("PluginServer::get_samplerate audio and mwindow == NULL\n");
 851                 return 1;
 852         }
 853 }
 854
 855
 856 double PluginServer::get_framerate()
 857 {
 858         if(!plugin_open) return 0;
 859         if(video)
 860         {
 861                 return client->get_framerate();
 862         }
 863         else
 864         if(mwindow)
 865                 return mwindow->edl->session->frame_rate;
 866         else
 867         {
 868                 printf("PluginServer::get_framerate video and mwindow == NULL\n");
 869                 return 1;
 870         }
 871 }
 872
 873 int PluginServer::get_project_samplerate()
 874 {
 875         if(mwindow)
 876                 return mwindow->edl->session->sample_rate;
 877         else
 878         if(edl)
 879                 return edl->session->sample_rate;
 880         else
 881         {
 882                 printf("PluginServer::get_project_samplerate mwindow and edl are NULL.\n");
 883                 return 1;
 884         }
 885 }
 886
 887 double PluginServer::get_project_framerate()
 888 {
 889         if(mwindow)
 890                 return mwindow->edl->session->frame_rate;
 891         else
 892         if(edl)
 893                 return edl->session->frame_rate;
 894         else
 895         {
 896                 printf("PluginServer::get_project_framerate mwindow and edl are NULL.\n");
 897                 return 1;
 898         }
 899 }
 900
 901
 902
 903 int PluginServer::detach_buffers()
 904 {
 905         ring_buffers_out.remove_all();
 906         offset_out_render.remove_all();
 907         double_buffer_out_render.remove_all();
 908         realtime_out_size.remove_all();
 909
 910         ring_buffers_in.remove_all();
 911         offset_in_render.remove_all();
 912         double_buffer_in_render.remove_all();
 913         realtime_in_size.remove_all();
 914
 915         out_buffer_size = 0;
 916         shared_buffers = 0;
 917         total_out_buffers = 0;
 918         in_buffer_size = 0;
 919         total_in_buffers = 0;
 920         return 0;
 921 }
 922
 923 int PluginServer::arm_buffer(int buffer_number,
 924                 int64_t offset_in,
 925                 int64_t offset_out,
 926                 int double_buffer_in,
 927                 int double_buffer_out)
 928 {
 929         offset_in_render.values[buffer_number] = offset_in;
 930         offset_out_render.values[buffer_number] = offset_out;
 931         double_buffer_in_render.values[buffer_number] = double_buffer_in;
 932         double_buffer_out_render.values[buffer_number] = double_buffer_out;
 933 }
 934
 935
 936 int PluginServer::set_automation(FloatAutos *autos, FloatAuto **start_auto, FloatAuto **end_auto, int reverse)
 937 {
 938         this->autos = autos;
 939         this->start_auto = start_auto;
 940         this->end_auto = end_auto;
 941         this->reverse = reverse;
 942 }
 943
 944
 945
 946 void PluginServer::save_data(KeyFrame *keyframe)
 947 {
 948         if(!plugin_open) return;
 949         client->save_data(keyframe);
 950 }
 951
 952 KeyFrame* PluginServer::get_prev_keyframe(int64_t position)
 953 {
 954         KeyFrame *result = 0;
 955         if(plugin)
 956                 result = plugin->get_prev_keyframe(position, client->direction);
 957         else
 958                 result = keyframe;
 959         return result;
 960 }
 961
 962 KeyFrame* PluginServer::get_next_keyframe(int64_t position)
 963 {
 964         KeyFrame *result = 0;
 965         if(plugin)
 966                 result = plugin->get_next_keyframe(position, client->direction);
 967         else
 968                 result = keyframe;
 969         return result;
 970 }
 971
 972 KeyFrame* PluginServer::get_keyframe()
 973 {
 974         if(plugin)
 975                 return plugin->get_keyframe();
 976         else
 977                 return keyframe;
 978 }
 979
 980 void PluginServer::get_camera(float *x, float *y, float *z,
 981         int64_t position, int direction)
 982 {
 983         plugin->track->automation->get_camera(x, y, z, position, direction);
 984 }
 985
 986 void PluginServer::get_projector(float *x, float *y, float *z,
 987         int64_t position, int direction)
 988 {
 989         plugin->track->automation->get_projector(x, y, z, position, direction);
 990 }
 991
 992
 993 int PluginServer::get_interpolation_type()
 994 {
 995         return plugin->edl->session->interpolation_type;
 996 }
 997
 998 Theme* PluginServer::new_theme()
 999 {
1000         if(theme)
1001         {
1002                 return client->new_theme();
1003         }
1004         else
1005                 return 0;
1006 }
1007
1008 Theme* PluginServer::get_theme()
1009 {
1010         if(mwindow) return mwindow->theme;
1011         printf("PluginServer::get_theme mwindow not set\n");
1012         return 0;
1013 }
1014
1015
1016 // Called when plugin interface is tweeked
1017 void PluginServer::sync_parameters()
1018 {
1019         if(video) mwindow->restart_brender();
1020         mwindow->sync_parameters();
1021         if(mwindow->edl->session->auto_conf->plugins)
1022         {
1023                 mwindow->gui->lock_window("PluginServer::sync_parameters");
1024                 mwindow->gui->canvas->draw_overlays();
1025                 mwindow->gui->canvas->flash();
1026                 mwindow->gui->unlock_window();
1027         }
1028 }
1029
1030
1031
1032 void PluginServer::dump()
1033 {
1034         printf("    PluginServer %s %s\n", path, title);
1035 }