cinelerra-5.1/cinelerra/pluginclient.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2011 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 "bcdisplayinfo.h"
  23 #include "bchash.h"
  24 #include "bcsignals.h"
  25 #include "clip.h"
  26 #include "condition.h"
  27 #include "edits.h"
  28 #include "edit.h"
  29 #include "edl.h"
  30 #include "edlsession.h"
  31 #include "file.h"
  32 #include "filesystem.h"
  33 #include "indexable.h"
  34 #include "language.h"
  35 #include "localsession.h"
  36 #include "mainundo.h"
  37 #include "mwindow.h"
  38 #include "plugin.h"
  39 #include "pluginclient.h"
  40 #include "pluginserver.h"
  41 #include "preferences.h"
  42 #include "track.h"
  43 #include "transportque.inc"
  44
  45
  46 #include <ctype.h>
  47 #include <errno.h>
  48 #include <string.h>
  49
  50
  51
  52
  53
  54 PluginClientThread::PluginClientThread(PluginClient *client)
  55  : Thread(1, 0, 0)
  56 {
  57         this->client = client;
  58         window = 0;
  59         init_complete = new Condition(0, "PluginClientThread::init_complete");
  60 }
  61
  62 PluginClientThread::~PluginClientThread()
  63 {
  64         join();
  65 //printf("PluginClientThread::~PluginClientThread %p %d\n", this, __LINE__);
  66         delete window;  window = 0;
  67 //printf("PluginClientThread::~PluginClientThread %p %d\n", this, __LINE__);
  68         delete init_complete;
  69 }
  70
  71 void PluginClientThread::run()
  72 {
  73         BC_DisplayInfo info;
  74         int result = 0;
  75         if(client->window_x < 0) client->window_x = info.get_abs_cursor_x();
  76         if(client->window_y < 0) client->window_y = info.get_abs_cursor_y();
  77         if(!window)
  78                 window = (PluginClientWindow*)client->new_window();
  79
  80         if(window) {
  81                 window->lock_window("PluginClientThread::run");
  82                 window->create_objects();
  83                 window->unlock_window();
  84
  85 /* Only set it here so tracking doesn't update it until everything is created. */
  86                 client->thread = this;
  87                 init_complete->unlock();
  88
  89                 result = window->run_window();
  90                 window->lock_window("PluginClientThread::run");
  91 //printf("PluginClientThread::run %p %d\n", this, __LINE__);
  92                 window->hide_window(1);
  93                 window->unlock_window();
  94                 window->done_event(result);
  95 // Can't save defaults in the destructor because it's not called immediately
  96 // after closing.
  97                 /* if(client->defaults) */ client->save_defaults_xml();
  98 /* This is needed when the GUI is closed from itself */
  99                 if(result) client->client_side_close();
 100         }
 101         else
 102 // No window
 103         {
 104                 client->thread = this;
 105                 init_complete->unlock();
 106         }
 107 }
 108
 109 BC_WindowBase* PluginClientThread::get_window()
 110 {
 111         return window;
 112 }
 113
 114 PluginClient* PluginClientThread::get_client()
 115 {
 116         return client;
 117 }
 118
 119
 120
 121
 122
 123
 124 PluginClientFrame::PluginClientFrame(int data_size,
 125         int period_n,
 126         int period_d)
 127 {
 128         this->data_size = data_size;
 129         force = 0;
 130         this->period_n = period_n;
 131         this->period_d = period_d;
 132 }
 133
 134 PluginClientFrame::~PluginClientFrame()
 135 {
 136
 137 }
 138
 139
 140
 141
 142
 143 PluginClientWindow::PluginClientWindow(PluginClient *client,
 144         int w, int h, int min_w, int min_h, int allow_resize)
 145  : BC_Window(client->gui_string,
 146         client->window_x /* - w / 2 */,
 147         client->window_y /* - h / 2 */,
 148         (int)(w*get_resources()->font_scale+0.5), (int)(h*get_resources()->font_scale+0.5),
 149         (int)(min_w*get_resources()->font_scale+0.5), (int)(min_h*get_resources()->font_scale+0.5),
 150         allow_resize, 0, 1)
 151 {
 152         this->client = client;
 153 }
 154
 155 PluginClientWindow::PluginClientWindow(const char *title,
 156         int x, int y, int w, int h, int min_w, int min_h, int allow_resize)
 157  : BC_Window(title, x, y,
 158         (int)(w*get_resources()->font_scale+0.5), (int)(h*get_resources()->font_scale+0.5),
 159         (int)(min_w*get_resources()->font_scale+0.5), (int)(min_h*get_resources()->font_scale+0.5),
 160         allow_resize, 0, 1)
 161 {
 162         this->client = 0;
 163 }
 164
 165 PluginClientWindow::~PluginClientWindow()
 166 {
 167 }
 168
 169
 170 int PluginClientWindow::translation_event()
 171 {
 172         if(client)
 173         {
 174                 client->window_x = get_x();
 175                 client->window_y = get_y();
 176         }
 177
 178         return 1;
 179 }
 180
 181 int PluginClientWindow::close_event()
 182 {
 183 /* Set result to 1 to indicate a client side close */
 184         set_done(1);
 185         return 1;
 186 }
 187
 188
 189
 190
 191
 192 PluginClient::PluginClient(PluginServer *server)
 193 {
 194         reset();
 195         this->server = server;
 196         smp = server->preferences->project_smp;
 197         defaults = 0;
 198         update_timer = new Timer;
 199 // Virtual functions don't work here.
 200 }
 201
 202 PluginClient::~PluginClient()
 203 {
 204         if( thread ) {
 205                 hide_gui();
 206                 thread->join();
 207                 delete thread;
 208         }
 209
 210 // Virtual functions don't work here.
 211         if(defaults) delete defaults;
 212         frame_buffer.remove_all_objects();
 213         delete update_timer;
 214 }
 215
 216 int PluginClient::reset()
 217 {
 218         window_x = -1;
 219         window_y = -1;
 220         interactive = 0;
 221         show_initially = 0;
 222         wr = rd = 0;
 223         master_gui_on = 0;
 224         client_gui_on = 0;
 225         realtime_priority = 0;
 226         gui_string[0] = 0;
 227         total_in_buffers = 0;
 228         total_out_buffers = 0;
 229         source_position = 0;
 230         source_start = 0;
 231         total_len = 0;
 232         direction = PLAY_FORWARD;
 233         thread = 0;
 234         using_defaults = 0;
 235         return 0;
 236 }
 237
 238
 239 void PluginClient::hide_gui()
 240 {
 241         if(thread && thread->window)
 242         {
 243 //printf("PluginClient::delete_thread %d\n", __LINE__);
 244 /* This is needed when the GUI is closed from elsewhere than itself */
 245 /* Since we now use autodelete, this is all that has to be done, thread will take care of itself ... */
 246 /* Thread join will wait if this was not called from the thread itself or go on if it was */
 247                 thread->window->lock_window("PluginClient::hide_gui");
 248                 thread->window->set_done(0);
 249 //printf("PluginClient::hide_gui %d thread->window=%p\n", __LINE__, thread->window);
 250                 thread->window->unlock_window();
 251         }
 252 }
 253
 254 // For realtime plugins initialize buffers
 255 int PluginClient::plugin_init_realtime(int realtime_priority,
 256         int total_in_buffers,
 257         int buffer_size)
 258 {
 259
 260 // Get parameters for all
 261         master_gui_on = get_gui_status();
 262
 263
 264
 265 // get parameters depending on video or audio
 266         init_realtime_parameters();
 267
 268         this->realtime_priority = realtime_priority;
 269         this->total_in_buffers = this->total_out_buffers = total_in_buffers;
 270         this->out_buffer_size = this->in_buffer_size = buffer_size;
 271         return 0;
 272 }
 273
 274 int PluginClient::plugin_start_loop(int64_t start,
 275         int64_t end,
 276         int64_t buffer_size,
 277         int total_buffers)
 278 {
 279 //printf("PluginClient::plugin_start_loop %d %ld %ld %ld %d\n",
 280 // __LINE__, start, end, buffer_size, total_buffers);
 281         this->source_start = start;
 282         this->total_len = end - start;
 283         this->start = start;
 284         this->end = end;
 285         this->in_buffer_size = this->out_buffer_size = buffer_size;
 286         this->total_in_buffers = this->total_out_buffers = total_buffers;
 287         start_loop();
 288         return 0;
 289 }
 290
 291 int PluginClient::plugin_process_loop()
 292 {
 293         return process_loop();
 294 }
 295
 296 int PluginClient::plugin_stop_loop()
 297 {
 298         return stop_loop();
 299 }
 300
 301 MainProgressBar* PluginClient::start_progress(char *string, int64_t length)
 302 {
 303         return server->start_progress(string, length);
 304 }
 305
 306
 307 // Non realtime parameters
 308 int PluginClient::plugin_get_parameters()
 309 {
 310         int result = get_parameters();
 311         if(defaults) save_defaults();
 312         return result;
 313 }
 314
 315 // ========================= main loop
 316
 317 int PluginClient::is_multichannel() { return 0; }
 318 int PluginClient::is_synthesis() { return 0; }
 319 int PluginClient::is_realtime() { return 0; }
 320 int PluginClient::is_fileio() { return 0; }
 321 int PluginClient::delete_buffer_ptrs() { return 0; }
 322 const char* PluginClient::plugin_title() { return _("Untitled"); }
 323
 324 Theme* PluginClient::new_theme() { return 0; }
 325
 326 int PluginClient::load_configuration()
 327 {
 328         return 0;
 329 }
 330
 331 Theme* PluginClient::get_theme()
 332 {
 333         return server->get_theme();
 334 }
 335
 336 int PluginClient::show_gui()
 337 {
 338         load_configuration();
 339         thread = new PluginClientThread(this);
 340         thread->start();
 341         thread->init_complete->lock("PluginClient::show_gui");
 342 // Must wait before sending any hide_gui
 343         if( !thread->window ) return 1;
 344         thread->window->init_wait();
 345         return 0;
 346 }
 347
 348 void PluginClient::raise_window()
 349 {
 350         if(thread && thread->window)
 351         {
 352                 thread->window->lock_window("PluginClient::raise_window");
 353                 thread->window->raise_window();
 354                 thread->window->flush();
 355                 thread->window->unlock_window();
 356         }
 357 }
 358
 359 int PluginClient::set_string()
 360 {
 361         if(thread)
 362         {
 363                 thread->window->lock_window("PluginClient::set_string");
 364                 thread->window->put_title(gui_string);
 365                 thread->window->unlock_window();
 366         }
 367         return 0;
 368 }
 369
 370
 371
 372
 373
 374 void PluginClient::begin_process_buffer()
 375 {
 376 // Delete all unused GUI frames
 377         frame_buffer.remove_all_objects();
 378 }
 379
 380
 381 void PluginClient::end_process_buffer()
 382 {
 383         if(frame_buffer.size())
 384         {
 385                 send_render_gui();
 386         }
 387 }
 388
 389
 390
 391 void PluginClient::plugin_update_gui()
 392 {
 393
 394         update_gui();
 395
 396 // Delete unused GUI frames
 397         while(frame_buffer.size() > MAX_FRAME_BUFFER)
 398                 frame_buffer.remove_object_number(0);
 399
 400 }
 401
 402 void PluginClient::update_gui()
 403 {
 404 }
 405
 406 int PluginClient::get_gui_update_frames()
 407 {
 408         if(frame_buffer.size())
 409         {
 410                 PluginClientFrame *frame = frame_buffer.get(0);
 411                 int total_frames = update_timer->get_difference() *
 412                         frame->period_d /
 413                         frame->period_n /
 414                         1000;
 415                 if(total_frames) update_timer->subtract(total_frames *
 416                         frame->period_n *
 417                         1000 /
 418                         frame->period_d);
 419
 420 // printf("PluginClient::get_gui_update_frames %d %ld %d %d %d\n",
 421 // __LINE__,
 422 // update_timer->get_difference(),
 423 // frame->period_n * 1000 / frame->period_d,
 424 // total_frames,
 425 // frame_buffer.size());
 426
 427 // Add forced frames
 428                 for(int i = 0; i < frame_buffer.size(); i++)
 429                         if(frame_buffer.get(i)->force) total_frames++;
 430                 total_frames = MIN(frame_buffer.size(), total_frames);
 431
 432
 433                 return total_frames;
 434         }
 435         else
 436         {
 437                 return 0;
 438         }
 439 }
 440
 441 PluginClientFrame* PluginClient::get_gui_frame()
 442 {
 443         if(frame_buffer.size())
 444         {
 445                 PluginClientFrame *frame = frame_buffer.get(0);
 446                 frame_buffer.remove_number(0);
 447                 return frame;
 448         }
 449         else
 450         {
 451                 return 0;
 452         }
 453 }
 454
 455 void PluginClient::add_gui_frame(PluginClientFrame *frame)
 456 {
 457         frame_buffer.append(frame);
 458 }
 459
 460 void PluginClient::send_render_gui()
 461 {
 462         server->send_render_gui(&frame_buffer);
 463 }
 464
 465 void PluginClient::send_render_gui(void *data)
 466 {
 467         server->send_render_gui(data);
 468 }
 469
 470 void PluginClient::send_render_gui(void *data, int size)
 471 {
 472         server->send_render_gui(data, size);
 473 }
 474
 475 void PluginClient::plugin_render_gui(void *data, int size)
 476 {
 477         render_gui(data, size);
 478 }
 479
 480
 481 void PluginClient::plugin_render_gui(void *data)
 482 {
 483         render_gui(data);
 484 }
 485
 486 void PluginClient::render_gui(void *data)
 487 {
 488         if(thread)
 489         {
 490                 thread->get_window()->lock_window("PluginClient::render_gui");
 491
 492 // Set all previous frames to draw immediately
 493                 for(int i = 0; i < frame_buffer.size(); i++)
 494                         frame_buffer.get(i)->force = 1;
 495
 496                 ArrayList<PluginClientFrame*> *src =
 497                         (ArrayList<PluginClientFrame*>*)data;
 498
 499 // Shift GUI data to GUI client
 500                 while(src->size())
 501                 {
 502                         this->frame_buffer.append(src->get(0));
 503                         src->remove_number(0);
 504                 }
 505
 506 // Start the timer for the current buffer
 507                 update_timer->update();
 508                 thread->get_window()->unlock_window();
 509         }
 510 }
 511
 512 void PluginClient::render_gui(void *data, int size)
 513 {
 514         printf("PluginClient::render_gui %d\n", __LINE__);
 515 }
 516
 517
 518
 519
 520
 521
 522
 523
 524 int PluginClient::is_audio() { return 0; }
 525 int PluginClient::is_video() { return 0; }
 526 int PluginClient::is_theme() { return 0; }
 527 int PluginClient::uses_gui() { return 1; }
 528 int PluginClient::is_transition() { return 0; }
 529 int PluginClient::load_defaults()
 530 {
 531 //      printf("PluginClient::load_defaults undefined in %s.\n", plugin_title());
 532         return 0;
 533 }
 534
 535 int PluginClient::save_defaults()
 536 {
 537         save_defaults_xml();
 538 //      printf("PluginClient::save_defaults undefined in %s.\n", plugin_title());
 539         return 0;
 540 }
 541
 542 void PluginClient::load_defaults_xml()
 543 {
 544         char path[BCTEXTLEN];
 545         server->get_defaults_path(path);
 546         FileSystem fs;
 547         fs.complete_path(path);
 548         using_defaults = 1;
 549 //printf("PluginClient::load_defaults_xml %d %s\n", __LINE__, path);
 550
 551         KeyFrame temp_keyframe;
 552         FILE *fp = fopen(path, "r");
 553         if( fp ) {
 554                 struct stat st;  int fd = fileno(fp);
 555                 int64_t sz = !fstat(fd, &st) ? st.st_size : BCTEXTLEN;
 556                 char *data = temp_keyframe.get_data(sz+1);
 557                 int data_size = fread(data, 1, sz, fp);
 558                 if( data_size < 0 ) data_size = 0;
 559                 if( data_size > 0 ) {
 560 // Get window extents
 561                         int state = 0;
 562                         for( int i=0; i<(data_size-8) && data[i]!='<'; ++i ) {
 563                                 if( !isdigit(data[i]) ) continue;
 564                                 if( !state ) {
 565                                         window_x = atoi(data + i);
 566                                         state = 1;
 567                                 }
 568                                 else {
 569                                         window_y = atoi(data + i);
 570                                         break;
 571                                 }
 572                                 while( i<data_size && isdigit(data[i]) ) ++i;
 573                         }
 574                         data[data_size] = 0;
 575                         read_data(&temp_keyframe);
 576                 }
 577
 578                 fclose(fp);
 579         }
 580         using_defaults = 0;
 581 //printf("PluginClient::load_defaults_xml %d %s\n", __LINE__, path);
 582 }
 583
 584 void PluginClient::save_defaults_xml()
 585 {
 586         char path[BCTEXTLEN];
 587         server->get_defaults_path(path);
 588         FileSystem fs;
 589         fs.complete_path(path);
 590         using_defaults = 1;
 591
 592         KeyFrame temp_keyframe;
 593         save_data(&temp_keyframe);
 594
 595         const char *data = temp_keyframe.get_data();
 596         int len = strlen(data);
 597         FILE *fp = fopen(path, "w");
 598
 599         if( fp ) {
 600                 fprintf(fp, "%d\n%d\n", window_x, window_y);
 601                 if( len > 0 && !fwrite(data, len, 1, fp) ) {
 602                         fprintf(stderr, "PluginClient::save_defaults_xml %d \"%s\" %d bytes: %s\n",
 603                                 __LINE__, path, len, strerror(errno));
 604                 }
 605                 fclose(fp);
 606         }
 607
 608         using_defaults = 0;
 609 }
 610
 611 int PluginClient::is_defaults()
 612 {
 613         return using_defaults;
 614 }
 615
 616 BC_Hash* PluginClient::get_defaults()
 617 {
 618         return defaults;
 619 }
 620 PluginClientThread* PluginClient::get_thread()
 621 {
 622         return thread;
 623 }
 624
 625 BC_WindowBase* PluginClient::new_window()
 626 {
 627         printf("PluginClient::new_window undefined in %s.\n", plugin_title());
 628         return 0;
 629 }
 630 int PluginClient::get_parameters() { return 0; }
 631 int PluginClient::get_samplerate() { return get_project_samplerate(); }
 632 double PluginClient::get_framerate() { return get_project_framerate(); }
 633 int PluginClient::init_realtime_parameters() { return 0; }
 634 int PluginClient::delete_nonrealtime_parameters() { return 0; }
 635 int PluginClient::start_loop() { return 0; };
 636 int PluginClient::process_loop() { return 0; };
 637 int PluginClient::stop_loop() { return 0; };
 638
 639 void PluginClient::set_interactive()
 640 {
 641         interactive = 1;
 642 }
 643
 644 int64_t PluginClient::get_in_buffers(int64_t recommended_size)
 645 {
 646         return recommended_size;
 647 }
 648
 649 int64_t PluginClient::get_out_buffers(int64_t recommended_size)
 650 {
 651         return recommended_size;
 652 }
 653
 654 int PluginClient::get_gui_status()
 655 {
 656         return server->get_gui_status();
 657 }
 658
 659 // close event from client side
 660 void PluginClient::client_side_close()
 661 {
 662 // Last command executed
 663         server->client_side_close();
 664 }
 665
 666 int PluginClient::stop_gui_client()
 667 {
 668         if(!client_gui_on) return 0;
 669         client_gui_on = 0;
 670         return 0;
 671 }
 672
 673 int PluginClient::get_project_samplerate()
 674 {
 675         return server->get_project_samplerate();
 676 }
 677
 678 double PluginClient::get_project_framerate()
 679 {
 680         return server->get_project_framerate();
 681 }
 682
 683 const char *PluginClient::get_source_path()
 684 {
 685         int64_t source_position = server->plugin->startproject;
 686         Edit *edit = server->plugin->track->edits->editof(source_position,PLAY_FORWARD,0);
 687         Indexable *indexable = edit ? edit->get_source() : 0;
 688         return indexable ? indexable->path : 0;
 689 }
 690
 691
 692 void PluginClient::update_display_title()
 693 {
 694         server->generate_display_title(gui_string);
 695         set_string();
 696 }
 697
 698 char* PluginClient::get_gui_string()
 699 {
 700         return gui_string;
 701 }
 702
 703
 704 char* PluginClient::get_path()
 705 {
 706         return server->path;
 707 }
 708
 709 char* PluginClient::get_plugin_dir()
 710 {
 711         return server->preferences->plugin_dir;
 712 }
 713
 714 int PluginClient::set_string_client(char *string)
 715 {
 716         strcpy(gui_string, string);
 717         set_string();
 718         return 0;
 719 }
 720
 721
 722 int PluginClient::get_interpolation_type()
 723 {
 724         return server->get_interpolation_type();
 725 }
 726
 727
 728 float PluginClient::get_red()
 729 {
 730         EDL *edl = server->mwindow ? server->mwindow->edl : server->edl;
 731         return !edl ? 0 : edl->local_session->use_max ?
 732                 edl->local_session->red_max :
 733                 edl->local_session->red;
 734 }
 735
 736 float PluginClient::get_green()
 737 {
 738         EDL *edl = server->mwindow ? server->mwindow->edl : server->edl;
 739         return !edl ? 0 : edl->local_session->use_max ?
 740                 edl->local_session->green_max :
 741                 edl->local_session->green;
 742 }
 743
 744 float PluginClient::get_blue()
 745 {
 746         EDL *edl = server->mwindow ? server->mwindow->edl : server->edl;
 747         return !edl ? 0 : edl->local_session->use_max ?
 748                 edl->local_session->blue_max :
 749                 edl->local_session->blue;
 750 }
 751
 752
 753 int64_t PluginClient::get_source_position()
 754 {
 755         return source_position;
 756 }
 757
 758 int64_t PluginClient::get_source_start()
 759 {
 760         return source_start;
 761 }
 762
 763 int64_t PluginClient::get_total_len()
 764 {
 765         return total_len;
 766 }
 767
 768 int PluginClient::get_direction()
 769 {
 770         return direction;
 771 }
 772
 773
 774 int64_t PluginClient::local_to_edl(int64_t position)
 775 {
 776         return position;
 777 }
 778
 779 int64_t PluginClient::edl_to_local(int64_t position)
 780 {
 781         return position;
 782 }
 783
 784 int PluginClient::get_use_opengl()
 785 {
 786         return server->get_use_opengl();
 787 }
 788
 789 int PluginClient::get_total_buffers()
 790 {
 791         return total_in_buffers;
 792 }
 793
 794 int PluginClient::get_buffer_size()
 795 {
 796         return in_buffer_size;
 797 }
 798
 799 int PluginClient::get_project_smp()
 800 {
 801 //printf("PluginClient::get_project_smp %d %d\n", __LINE__, smp);
 802         return smp;
 803 }
 804
 805 const char* PluginClient::get_defaultdir()
 806 {
 807         return File::get_plugin_path();
 808 }
 809
 810
 811 int PluginClient::send_hide_gui()
 812 {
 813 // Stop the GUI server and delete GUI messages
 814         client_gui_on = 0;
 815         return 0;
 816 }
 817
 818 int PluginClient::send_configure_change()
 819 {
 820         if(server->mwindow)
 821                 server->mwindow->undo->update_undo_before(_("tweek"), this);
 822 #ifdef USE_KEYFRAME_SPANNING
 823         KeyFrame keyframe;
 824         save_data(&keyframe);
 825         server->apply_keyframe(&keyframe);
 826 #else
 827         KeyFrame* keyframe = server->get_keyframe();
 828 // Call save routine in plugin
 829         save_data(keyframe);
 830 #endif
 831         if(server->mwindow)
 832                 server->mwindow->undo->update_undo_after(_("tweek"), LOAD_AUTOMATION);
 833         server->sync_parameters();
 834         return 0;
 835 }
 836
 837
 838 KeyFrame* PluginClient::get_prev_keyframe(int64_t position, int is_local)
 839 {
 840         if(is_local) position = local_to_edl(position);
 841         return server->get_prev_keyframe(position);
 842 }
 843
 844 KeyFrame* PluginClient::get_next_keyframe(int64_t position, int is_local)
 845 {
 846         if(is_local) position = local_to_edl(position);
 847         return server->get_next_keyframe(position);
 848 }
 849
 850 void PluginClient::get_camera(float *x, float *y, float *z, int64_t position)
 851 {
 852         server->get_camera(x, y, z, position, direction);
 853 }
 854
 855 void PluginClient::get_projector(float *x, float *y, float *z, int64_t position)
 856 {
 857         server->get_projector(x, y, z, position, direction);
 858 }
 859
 860
 861 EDLSession* PluginClient::get_edlsession()
 862 {
 863         if(server->edl)
 864                 return server->edl->session;
 865         return 0;
 866 }
 867
 868 int PluginClient::gui_open()
 869 {
 870         return server->gui_open();
 871 }