cinelerra-5.1/cinelerra/pluginserver.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2009 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 "amodule.h"
  23 #include "atrack.h"
  24 #include "attachmentpoint.h"
  25 #include "autoconf.h"
  26 #include "bcsignals.h"
  27 #include "cplayback.h"
  28 #include "cstrdup.h"
  29 #include "cwindow.h"
  30 #include "edl.h"
  31 #include "edlsession.h"
  32 #include "file.h"
  33 #include "floatautos.h"
  34 #include "keyframes.h"
  35 #include "localsession.h"
  36 #include "mainerror.h"
  37 #include "mainprogress.h"
  38 #include "menueffects.h"
  39 #include "mwindow.h"
  40 #include "mwindowgui.h"
  41 #include "playbackengine.h"
  42 #include "plugin.h"
  43 #include "pluginaclient.h"
  44 #include "pluginaclientlad.h"
  45 #include "pluginfclient.h"
  46 #include "pluginclient.h"
  47 #include "plugincommands.h"
  48 #include "pluginserver.h"
  49 #include "pluginvclient.h"
  50 #include "preferences.h"
  51 #include "samples.h"
  52 #include "sema.h"
  53 #include "mainsession.h"
  54 #include "theme.h"
  55 #include "trackcanvas.h"
  56 #include "transportque.h"
  57 #include "vdevicex11.h"
  58 #include "vframe.h"
  59 #include "videodevice.h"
  60 #include "virtualanode.h"
  61 #include "virtualvnode.h"
  62 #include "vmodule.h"
  63 #include "vtrack.h"
  64
  65
  66 #include<stdio.h>
  67 #include<unistd.h>
  68 #include<fcntl.h>
  69 #include <sys/types.h>
  70 #include <sys/wait.h>
  71 #include<sys/stat.h>
  72 #include <sys/mman.h>
  73
  74
  75 void PluginServer::init()
  76 {
  77         reset_parameters();
  78         this->plugin_type = PLUGIN_TYPE_UNKNOWN;
  79         plugin_obj = new PluginObj();
  80         modules = new ArrayList<Module*>;
  81         nodes = new ArrayList<VirtualNode*>;
  82         tip = 0;
  83         gui_id = -1;
  84 }
  85
  86 PluginServer::PluginServer()
  87 {
  88         init();
  89 }
  90
  91 PluginServer::PluginServer(MWindow *mwindow, const char *path, int type)
  92 {
  93         char fpath[BCTEXTLEN];
  94         init();
  95         this->plugin_type = type;
  96         this->mwindow = mwindow;
  97         if( type == PLUGIN_TYPE_FFMPEG ) {
  98                 ff_name = cstrdup(path);
  99                 sprintf(fpath, "ff_%s", path);
 100                 path = fpath;
 101         }
 102         set_path(path);
 103 }
 104
 105 PluginServer::PluginServer(PluginServer &that)
 106 {
 107         reset_parameters();
 108         plugin_type = that.plugin_type;
 109         plugin_obj = that.plugin_obj;
 110         plugin_obj->add_user();
 111         title = !that.title ? 0 : cstrdup(that.title);
 112         tip = !that.tip ? 0 : cstrdup(that.tip);
 113         path = !that.path ? 0 : cstrdup(that.path);
 114         ff_name = !that.ff_name ? 0 : cstrdup(that.ff_name);
 115         modules = new ArrayList<Module*>;
 116         nodes = new ArrayList<VirtualNode*>;
 117
 118         attachment = that.attachment;
 119         realtime = that.realtime;
 120         multichannel = that.multichannel;
 121         preferences = that.preferences;
 122         synthesis = that.synthesis;
 123         audio = that.audio;
 124         video = that.video;
 125         theme = that.theme;
 126         fileio = that.fileio;
 127         uses_gui = that.uses_gui;
 128         mwindow = that.mwindow;
 129         keyframe = that.keyframe;
 130         new_plugin = that.new_plugin;
 131
 132         lad_descriptor = that.lad_descriptor;
 133         lad_descriptor_function = that.lad_descriptor_function;
 134         lad_index = that.lad_index;
 135 }
 136
 137 PluginServer::~PluginServer()
 138 {
 139         close_plugin();
 140         delete [] path;
 141         delete [] ff_name;
 142         delete [] title;
 143         delete [] tip;
 144         delete modules;
 145         delete nodes;
 146         delete picon;
 147         plugin_obj->remove_user();
 148 }
 149
 150 // Done only once at creation
 151 int PluginServer::reset_parameters()
 152 {
 153         mwindow = 0;
 154         keyframe = 0;
 155         prompt = 0;
 156         cleanup_plugin();
 157
 158         plugin_obj = 0;
 159         client = 0;
 160         new_plugin = 0;
 161         lad_index = -1;
 162         lad_descriptor_function = 0;
 163         lad_descriptor = 0;
 164         ff_name = 0;
 165         use_opengl = 0;
 166         vdevice = 0;
 167         plugin_type = 0;
 168         start_auto = end_auto = 0;
 169         autos = 0;
 170         reverse = 0;
 171         plugin_open = 0;
 172         realtime = multichannel = fileio = 0;
 173         synthesis = 0;
 174         audio = video = theme = 0;
 175         uses_gui = 0;
 176         transition = 0;
 177         title = 0;
 178         tip = 0;
 179         path = 0;
 180         data_text = 0;
 181         for( int i=sizeof(args)/sizeof(args[0]); --i>=0; ) args[i] = 0;
 182         total_args = 0;
 183         dir_idx = 0;
 184         modules = 0;
 185         nodes = 0;
 186         attachmentpoint = 0;
 187         edl = 0;
 188         preferences = 0;
 189         prompt = 0;
 190         temp_frame = 0;
 191         picon = 0;
 192
 193         return 0;
 194 }
 195
 196 // Done every time the plugin is opened or closed
 197 int PluginServer::cleanup_plugin()
 198 {
 199         in_buffer_size = out_buffer_size = 0;
 200         total_in_buffers = total_out_buffers = 0;
 201         error_flag = 0;
 202         written_samples = 0;
 203         shared_buffers = 0;
 204         new_buffers = 0;
 205         written_samples = written_frames = 0;
 206         gui_on = 0;
 207         plugin = 0;
 208         plugin_open = 0;
 209         return 0;
 210 }
 211
 212 void PluginServer::set_mwindow(MWindow *mwindow)
 213 {
 214         this->mwindow = mwindow;
 215 }
 216
 217 void PluginServer::set_attachmentpoint(AttachmentPoint *attachmentpoint)
 218 {
 219         this->attachmentpoint = attachmentpoint;
 220 }
 221
 222 void PluginServer::set_keyframe(KeyFrame *keyframe)
 223 {
 224         this->keyframe = keyframe;
 225 }
 226
 227 void PluginServer::set_prompt(MenuEffectPrompt *prompt)
 228 {
 229         this->prompt = prompt;
 230 }
 231
 232 void PluginServer::set_lad_index(int i)
 233 {
 234         this->lad_index = i;
 235 }
 236
 237 int PluginServer::get_lad_index()
 238 {
 239         return this->lad_index;
 240 }
 241
 242 int PluginServer::is_unknown()
 243 {
 244         return plugin_type == PLUGIN_TYPE_UNKNOWN ? 1 : 0;
 245 }
 246
 247 int PluginServer::is_executable()
 248 {
 249         return  plugin_type == PLUGIN_TYPE_EXECUTABLE ? 1 : 0;
 250 }
 251
 252 int PluginServer::is_builtin()
 253 {
 254         return plugin_type == PLUGIN_TYPE_BUILTIN ? 1 : 0;
 255 }
 256
 257 int PluginServer::is_ladspa()
 258 {
 259         return plugin_type == PLUGIN_TYPE_LADSPA ? 1 : 0;
 260 }
 261
 262 int PluginServer::is_ffmpeg()
 263 {
 264         return plugin_type == PLUGIN_TYPE_FFMPEG ? 1 : 0;
 265 }
 266
 267 int PluginServer::is_lv2()
 268 {
 269         return plugin_type == PLUGIN_TYPE_LV2 ? 1 : 0;
 270 }
 271
 272 void PluginServer::set_path(const char *path)
 273 {
 274         delete [] this->path;
 275         this->path = cstrdup(path);
 276 }
 277
 278 char* PluginServer::get_path()
 279 {
 280         return this->path;
 281 }
 282
 283 int PluginServer::get_synthesis()
 284 {
 285         return synthesis;
 286 }
 287
 288
 289 void PluginServer::set_title(const char *string)
 290 {
 291         delete [] title;
 292         title = cstrdup(string);
 293 }
 294
 295 void PluginServer::generate_display_title(char *string)
 296 {
 297         char ltitle[BCTEXTLEN];
 298         if( BC_Resources::locale_utf8 )
 299                 strcpy(ltitle, _(title));
 300         else
 301                 BC_Resources::encode(BC_Resources::encoding, 0,
 302                                 _(title),strlen(title)+1, ltitle,BCTEXTLEN);
 303         if( plugin && plugin->track )
 304                 sprintf(string, "%s: %s", plugin->track->title, ltitle);
 305         else
 306                 strcpy(string, ltitle);
 307 }
 308
 309 void *PluginObj::load(const char *plugin_dir, const char *path)
 310 {
 311         char dlpath[BCTEXTLEN], *dp = dlpath;
 312         const char *cp = path;
 313         if( *cp != '/' ) {
 314                 const char *bp = plugin_dir;
 315                 while( *bp ) *dp++ = *bp++;
 316                 *dp++ = '/';
 317         }
 318         while( *cp ) *dp++ = *cp++;
 319         *dp = 0;
 320         return dlobj = load(dlpath);
 321 }
 322
 323 int PluginServer::load_obj()
 324 {
 325         void *obj = plugin_obj->obj();
 326         if( !obj ) obj =plugin_obj->load(preferences->plugin_dir, path);
 327         return obj ? 1 : 0;
 328 }
 329
 330 const char *PluginServer::load_error()
 331 {
 332         return plugin_obj->load_error();
 333 }
 334
 335 void *PluginServer::get_sym(const char *sym)
 336 {
 337         if( !plugin_obj->obj() ) return 0;
 338         return plugin_obj->load_sym(sym);
 339 }
 340
 341 // Open plugin for signal processing
 342 int PluginServer::open_plugin(int master,
 343         Preferences *preferences,
 344         EDL *edl,
 345         Plugin *plugin)
 346 {
 347         if( plugin_open ) return 0;
 348
 349         this->preferences = preferences;
 350         this->plugin = plugin;
 351         this->edl = edl;
 352         if( !is_ffmpeg() && !is_lv2() && !is_executable() && !load_obj() ) {
 353 // If the load failed, can't use error string to detect executable
 354 //  because locale and language selection changes the load_error() message
 355 //      if( !strstr(string, "executable") ) { set_title(path); plugin_type = PLUGIN_TYPE_EXECUTABLE; }
 356                 eprintf("PluginServer::open_plugin: load_obj %s = %s\n", path, load_error());
 357                 return PLUGINSERVER_NOT_RECOGNIZED;
 358         }
 359         if( is_unknown() || is_builtin() ) {
 360                 new_plugin =
 361                         (PluginClient* (*)(PluginServer*)) get_sym("new_plugin");
 362                 if( new_plugin )
 363                         plugin_type = PLUGIN_TYPE_BUILTIN;
 364         }
 365         if( is_unknown() || is_ladspa() ) {
 366                 lad_descriptor_function =
 367                         (LADSPA_Descriptor_Function) get_sym("ladspa_descriptor");
 368                 if( lad_descriptor_function ) {
 369                         if( lad_index < 0 ) return PLUGINSERVER_IS_LAD;
 370                         lad_descriptor = lad_descriptor_function(lad_index);
 371                         if( !lad_descriptor )
 372                                 return PLUGINSERVER_NOT_RECOGNIZED;
 373                         plugin_type = PLUGIN_TYPE_LADSPA;
 374                 }
 375         }
 376         if( is_unknown() ) {
 377                 fprintf(stderr, "PluginServer::open_plugin "
 378                         " %d: plugin undefined in %s\n", __LINE__, path);
 379                 return PLUGINSERVER_NOT_RECOGNIZED;
 380         }
 381         switch( plugin_type ) {
 382         case PLUGIN_TYPE_EXECUTABLE:
 383                 return PLUGINSERVER_OK;
 384         case PLUGIN_TYPE_BUILTIN:
 385                 client = new_plugin(this);
 386                 break;
 387         case PLUGIN_TYPE_FFMPEG:
 388                 client = new_ffmpeg_plugin();
 389                 break;
 390         case PLUGIN_TYPE_LADSPA:
 391                 client = new PluginAClientLAD(this);
 392                 break;
 393         case PLUGIN_TYPE_LV2:
 394                 client = new_lv2_plugin();
 395                 break;
 396         default:
 397                 client = 0;
 398                 break;
 399         }
 400         if( !client )
 401                 return PLUGINSERVER_NOT_RECOGNIZED;
 402
 403 // Run initialization functions
 404         realtime = client->is_realtime();
 405 // Don't load defaults when probing the directory.
 406         if( !master ) {
 407                 if( realtime )
 408                         client->load_defaults_xml();
 409                 else
 410                         client->load_defaults();
 411         }
 412         audio = client->is_audio();
 413         video = client->is_video();
 414         theme = client->is_theme();
 415         fileio = client->is_fileio();
 416         uses_gui = client->uses_gui();
 417         multichannel = client->is_multichannel();
 418         synthesis = client->is_synthesis();
 419         transition = client->is_transition();
 420         set_title(client->plugin_title());
 421
 422 //printf("PluginServer::open_plugin 2\n");
 423         plugin_open = 1;
 424         return PLUGINSERVER_OK;
 425 }
 426
 427 int PluginServer::close_plugin()
 428 {
 429         if( !plugin_open ) return 0;
 430
 431         if( client ) {
 432 // Defaults are saved in the thread.
 433 //              if( client->defaults ) client->save_defaults();
 434                 delete client;
 435         }
 436
 437 // shared object is persistent since plugin deletion would unlink its own object
 438         plugin_open = 0;
 439         cleanup_plugin();
 440         return 0;
 441 }
 442
 443 void PluginServer::client_side_close()
 444 {
 445 // Last command executed in client thread
 446         if( plugin )
 447                 mwindow->hide_plugin(plugin, 1);
 448         else
 449         if( prompt ) {
 450                 prompt->lock_window();
 451                 prompt->set_done(1);
 452                 prompt->unlock_window();
 453         }
 454 }
 455
 456 void PluginServer::render_stop()
 457 {
 458         if( client )
 459                 client->render_stop();
 460         send_reset_gui_frames();
 461 }
 462
 463 void PluginServer::write_table(FILE *fp, const char *path, int idx, int64_t mtime)
 464 {
 465         if( !fp ) return;
 466         fprintf(fp, "%d \"%s\" \"%s\" %jd %d %d %d %d %d %d %d %d %d %d %d\n",
 467                 plugin_type, path, title, mtime, idx, audio, video, theme, realtime,
 468                 fileio, uses_gui, multichannel, synthesis, transition, lad_index);
 469 }
 470
 471 int PluginServer::scan_table(char *text, int &type, char *path, char *title, int64_t &mtime)
 472 {
 473         int n = sscanf(text, "%d \"%[^\"]\" \"%[^\"]\" %jd", &type, path, title, &mtime);
 474         return n < 4 ? 1 : 0;
 475 }
 476
 477 int PluginServer::read_table(char *text)
 478 {
 479         char path[BCTEXTLEN], title[BCTEXTLEN];
 480         int64_t mtime;
 481         int n = sscanf(text, "%d \"%[^\"]\" \"%[^\"]\" %jd %d %d %d %d %d %d %d %d %d %d %d",
 482                 &plugin_type, path, title, &mtime, &dir_idx, &audio, &video, &theme, &realtime,
 483                 &fileio, &uses_gui, &multichannel, &synthesis, &transition, &lad_index);
 484         if( n != 15 ) return 1;
 485         set_title(title);
 486         return 0;
 487 }
 488
 489 int PluginServer::init_realtime(int realtime_sched,
 490                 int total_in_buffers,
 491                 int buffer_size)
 492 {
 493
 494         if( !plugin_open ) return 0;
 495
 496 // set for realtime priority
 497 // initialize plugin
 498 // Call start_realtime
 499         this->total_in_buffers = this->total_out_buffers = total_in_buffers;
 500         client->plugin_init_realtime(realtime_sched,
 501                 total_in_buffers,
 502                 buffer_size);
 503
 504         return 0;
 505 }
 506
 507
 508 // Replaced by pull method but still needed for transitions
 509 void PluginServer::process_transition(VFrame *input,
 510                 VFrame *output,
 511                 int64_t current_position,
 512                 int64_t total_len)
 513 {
 514         if( !plugin_open ) return;
 515         PluginVClient *vclient = (PluginVClient*)client;
 516
 517         vclient->source_position = current_position;
 518         vclient->source_start = 0;
 519         vclient->total_len = total_len;
 520
 521         vclient->input = new VFrame*[1];
 522         vclient->output = new VFrame*[1];
 523
 524         vclient->input[0] = input;
 525         vclient->output[0] = output;
 526
 527         vclient->process_realtime(input, output);
 528         vclient->age_temp();
 529         delete [] vclient->input;
 530         delete [] vclient->output;
 531         use_opengl = 0;
 532 }
 533
 534 void PluginServer::process_transition(Samples *input,
 535                 Samples *output,
 536                 int64_t current_position,
 537                 int64_t fragment_size,
 538                 int64_t total_len)
 539 {
 540         if( !plugin_open ) return;
 541         PluginAClient *aclient = (PluginAClient*)client;
 542
 543         aclient->source_position = current_position;
 544         aclient->total_len = total_len;
 545         aclient->source_start = 0;
 546         aclient->process_realtime(fragment_size,
 547                 input,
 548                 output);
 549 }
 550
 551
 552 void PluginServer::process_buffer(VFrame **frame,
 553         int64_t current_position,
 554         double frame_rate,
 555         int64_t total_len,
 556         int direction)
 557 {
 558         if( !plugin_open ) return;
 559         PluginVClient *vclient = (PluginVClient*)client;
 560         vclient->in_buffer_size = vclient->out_buffer_size = 1;
 561         vclient->source_position = current_position;
 562         vclient->total_len = total_len;
 563         vclient->frame_rate = frame_rate;
 564         vclient->input = new VFrame*[total_in_buffers];
 565         vclient->output = new VFrame*[total_in_buffers];
 566         for( int i = 0; i < total_in_buffers; i++ ) {
 567                 vclient->input[i] = frame[i];
 568                 vclient->output[i] = frame[i];
 569         }
 570
 571         if( plugin ) {
 572                 vclient->source_start = (int64_t)plugin->startproject *
 573                         frame_rate / vclient->project_frame_rate;
 574         }
 575         vclient->direction = direction;
 576
 577 //PRINT_TRACE
 578 //printf("plugin=%p source_start=%ld\n", plugin, vclient->source_start);
 579 //      vclient->begin_process_buffer();
 580         if( multichannel )
 581                 vclient->process_buffer(frame, current_position, frame_rate);
 582         else
 583                 vclient->process_buffer(frame[0], current_position, frame_rate);
 584 //      vclient->end_process_buffer();
 585
 586         for( int i = 0; i < total_in_buffers; i++ )
 587                 frame[i]->push_prev_effect(title);
 588
 589         delete [] vclient->input;
 590         delete [] vclient->output;
 591
 592         vclient->age_temp();
 593         use_opengl = 0;
 594 }
 595
 596 void PluginServer::process_buffer(Samples **buffer,
 597         int64_t current_position,
 598         int64_t fragment_size,
 599         int64_t sample_rate,
 600         int64_t total_len,
 601         int direction)
 602 {
 603         if( !plugin_open ) return;
 604         PluginAClient *aclient = (PluginAClient*)client;
 605         aclient->source_position = current_position;
 606         aclient->total_len = total_len;
 607         aclient->sample_rate = sample_rate;
 608         aclient->in_buffer_size = aclient->out_buffer_size = fragment_size;
 609         aclient->output_buffers = buffer;
 610
 611         if( plugin )
 612                 aclient->source_start = plugin->startproject *
 613                         sample_rate /
 614                         aclient->project_sample_rate;
 615
 616         aclient->direction = direction;
 617         aclient->begin_process_buffer();
 618         if( multichannel ) {
 619                 aclient->process_buffer(fragment_size,
 620                         buffer, current_position, sample_rate);
 621         }
 622         else {
 623                 aclient->process_buffer(fragment_size,
 624                         buffer[0], current_position, sample_rate);
 625         }
 626         aclient->end_process_buffer();
 627 }
 628
 629
 630 void PluginServer::send_reset_gui_frames()
 631 {
 632         if( !attachmentpoint ) return;
 633         attachmentpoint->reset_gui_frames(this);
 634 }
 635
 636 void PluginServer::send_render_gui(void *data)
 637 {
 638         if( !attachmentpoint ) return;
 639         attachmentpoint->render_gui(data, this);
 640 }
 641
 642 void PluginServer::send_render_gui(void *data, int size)
 643 {
 644         if( !attachmentpoint ) return;
 645         attachmentpoint->render_gui(data, size, this);
 646 }
 647
 648 void PluginServer::render_gui(void *data)
 649 {
 650         if( !client ) return;
 651         client->plugin_render_gui(data);
 652 }
 653
 654 void PluginServer::render_gui(void *data, int size)
 655 {
 656         if( !client ) return;
 657         client->plugin_render_gui(data, size);
 658 }
 659
 660
 661 PluginGUIs::PluginGUIs(MWindow *mwindow)
 662 {
 663         this->mwindow = mwindow;
 664         this->next_id = 0;
 665 }
 666 PluginGUIs::~PluginGUIs()
 667 {
 668 }
 669
 670 void PluginGUIs::append(PluginServer *server)
 671 {
 672         server->gui_id = next_id++;
 673         ArrayList<PluginServer*>::append(server);
 674 }
 675
 676 PluginServer *PluginGUIs::gui_server(int gui_id)
 677 {
 678         for( int i=0; i<size(); ++i ) {
 679                 PluginServer *plugin_server = get(i);
 680                 if( plugin_server->gui_id == gui_id )
 681                         return plugin_server;
 682         }
 683         return 0;
 684 }
 685
 686
 687 void PluginServer::reset_gui_frames()
 688 {
 689         mwindow->reset_plugin_gui_frames(plugin);
 690 }
 691
 692 void PluginServer::reset_plugin_gui_frames()
 693 {
 694         if( !client ) return;
 695         client->plugin_reset_gui_frames();
 696 }
 697
 698 void PluginServer::render_gui_frames(PluginClientFrames *frames)
 699 {
 700         mwindow->render_plugin_gui_frames(frames, plugin);
 701 }
 702
 703 void PluginServer::render_plugin_gui_frames(PluginClientFrames *frames)
 704 {
 705         if( !client ) return;
 706         client->plugin_render_gui_frames(frames);
 707 }
 708
 709 MainProgressBar* PluginServer::start_progress(char *string, int64_t length)
 710 {
 711         mwindow->gui->lock_window();
 712         MainProgressBar *result = mwindow->mainprogress->start_progress(string, length);
 713         mwindow->gui->unlock_window();
 714         return result;
 715 }
 716
 717 int64_t PluginServer::get_written_samples()
 718 {
 719         if( !plugin_open ) return 0;
 720         return written_samples;
 721 }
 722
 723 int64_t PluginServer::get_written_frames()
 724 {
 725         if( !plugin_open ) return 0;
 726         return written_frames;
 727 }
 728
 729
 730 // ======================= Non-realtime plugin
 731
 732 int PluginServer::get_parameters(int64_t start, int64_t end, int channels)
 733 {
 734         if( !plugin_open ) return 0;
 735
 736         client->start = start;
 737         client->end = end;
 738         client->source_start = start;
 739         client->total_len = end - start;
 740         client->total_in_buffers = channels;
 741
 742 //PRINT_TRACE
 743 //printf(" source_start=%ld total_len=%ld\n", client->source_start, client->total_len);
 744
 745         return client->plugin_get_parameters();
 746 }
 747
 748 int PluginServer::set_interactive()
 749 {
 750         if( !plugin_open ) return 0;
 751         client->set_interactive();
 752         return 0;
 753 }
 754
 755 void PluginServer::append_module(Module *module)
 756 {
 757         modules->append(module);
 758 }
 759
 760 void PluginServer::append_node(VirtualNode *node)
 761 {
 762         nodes->append(node);
 763 }
 764
 765 void PluginServer::reset_nodes()
 766 {
 767         nodes->remove_all();
 768 }
 769
 770 int PluginServer::set_error()
 771 {
 772         error_flag = 1;
 773         return 0;
 774 }
 775
 776 int PluginServer::set_realtime_sched()
 777 {
 778         //struct sched_param params;
 779         //params.sched_priority = 1;
 780         //sched_setscheduler(0, SCHED_RR, &param);
 781         return 0;
 782 }
 783
 784
 785 int PluginServer::process_loop(VFrame **buffers, int64_t &write_length)
 786 {
 787         if( !plugin_open ) return 1;
 788         return client->plugin_process_loop(buffers, write_length);
 789 }
 790
 791 int PluginServer::process_loop(Samples **buffers, int64_t &write_length)
 792 {
 793         if( !plugin_open ) return 1;
 794         return client->plugin_process_loop(buffers, write_length);
 795 }
 796
 797
 798 int PluginServer::start_loop(int64_t start,
 799         int64_t end,
 800         int64_t buffer_size,
 801         int total_buffers)
 802 {
 803         if( !plugin_open ) return 0;
 804         client->plugin_start_loop(start, end, buffer_size, total_buffers);
 805         return 0;
 806 }
 807
 808 int PluginServer::stop_loop()
 809 {
 810         if( !plugin_open ) return 0;
 811         return client->plugin_stop_loop();
 812 }
 813
 814 int PluginServer::read_frame(VFrame *buffer,
 815         int channel,
 816         int64_t start_position)
 817 {
 818         ((VModule*)modules->values[channel])->render(buffer,
 819                 start_position, PLAY_FORWARD,
 820                 mwindow->edl->session->frame_rate, 0, 0);
 821         return 0;
 822 }
 823
 824 int PluginServer::read_samples(Samples *buffer,
 825         int channel, int64_t sample_rate, int64_t start_position, int64_t len)
 826 {
 827 // len is now in buffer
 828         if( !multichannel ) channel = 0;
 829
 830         if( nodes->total > channel )
 831                 return ((VirtualANode*)nodes->values[channel])->read_data(buffer,
 832                         len, start_position, sample_rate);
 833         if( modules->total > channel )
 834                 return ((AModule*)modules->values[channel])->render(buffer,
 835                         len, start_position, PLAY_FORWARD, sample_rate, 0);
 836         printf("PluginServer::read_samples no object available for channel=%d\n",
 837                 channel);
 838         return -1;
 839 }
 840
 841
 842 int PluginServer::read_samples(Samples *buffer,
 843                 int channel, int64_t start_position, int64_t size)
 844 {
 845 // total_samples is now set in buffer
 846         ((AModule*)modules->values[channel])->render(buffer,
 847                 size, start_position, PLAY_FORWARD,
 848                 mwindow->edl->session->sample_rate, 0);
 849         return 0;
 850 }
 851
 852 int PluginServer::read_frame(VFrame *buffer,
 853                 int channel, int64_t start_position, double frame_rate,
 854                 int use_opengl)
 855 {
 856 // Data source depends on whether we're part of a virtual console or a
 857 // plugin array.
 858 //     VirtualNode
 859 //     Module
 860 // If we're a VirtualNode, read_data in the virtual plugin node handles
 861 //     backward propogation and produces the data.
 862 // If we're a Module, render in the module produces the data.
 863 //PRINT_TRACE
 864
 865         int result = -1;
 866         if( !multichannel ) channel = 0;
 867
 868 // Push our name on the next effect stack
 869         buffer->push_next_effect(title);
 870 //printf("PluginServer::read_frame %p\n", buffer);
 871 //buffer->dump_stacks();
 872
 873         if( nodes->total > channel ) {
 874 //printf("PluginServer::read_frame %d\n", __LINE__);
 875                 result = ((VirtualVNode*)nodes->values[channel])->read_data(buffer,
 876                         start_position, frame_rate, use_opengl);
 877         }
 878         else
 879         if( modules->total > channel ) {
 880 //printf("PluginServer::read_frame %d\n", __LINE__);
 881                 result = ((VModule*)modules->values[channel])->render(buffer,
 882                         start_position, //                      PLAY_FORWARD,
 883                         client->direction, frame_rate, 0, 0, use_opengl);
 884         }
 885         else {
 886                 printf("PluginServer::read_frame no object available for channel=%d\n",
 887                         channel);
 888         }
 889
 890 // Pop our name from the next effect stack
 891         buffer->pop_next_effect();
 892
 893         return result;
 894 }
 895
 896
 897 // Called by client
 898 int PluginServer::get_gui_status()
 899 {
 900         if( plugin )
 901                 return plugin->show ? GUI_ON : GUI_OFF;
 902         else
 903                 return GUI_OFF;
 904 }
 905
 906 void PluginServer::raise_window()
 907 {
 908         if( !plugin_open ) return;
 909         client->raise_window();
 910 }
 911
 912 void PluginServer::show_gui()
 913 {
 914         if( !plugin_open ) return;
 915         if( plugin ) {
 916                 plugin->gui_id = gui_id;
 917                 client->total_len = plugin->length;
 918                 client->source_start = plugin->startproject;
 919         }
 920         if( video ) {
 921                 client->source_position = Units::to_int64(
 922                         mwindow->edl->local_session->get_selectionstart(1) *
 923                                 mwindow->edl->session->frame_rate);
 924         }
 925         else
 926         if( audio ) {
 927                 client->source_position = Units::to_int64(
 928                         mwindow->edl->local_session->get_selectionstart(1) *
 929                                 mwindow->edl->session->sample_rate);
 930         }
 931
 932         client->update_display_title();
 933         client->show_gui();
 934 }
 935
 936 void PluginServer::hide_gui()
 937 {
 938         if( !plugin_open ) return;
 939         if( plugin ) plugin->gui_id = -1;
 940         if( client->defaults ) client->save_defaults();
 941         client->hide_gui();
 942 }
 943
 944 void PluginServer::update_gui()
 945 {
 946         if( !plugin_open || !plugin ) return;
 947
 948         client->total_len = plugin->length;
 949         client->source_start = plugin->startproject;
 950
 951         if( video ) {
 952                 client->source_position = Units::to_int64(
 953                         mwindow->edl->local_session->get_selectionstart(1) *
 954                                 mwindow->edl->session->frame_rate);
 955         }
 956         else if( audio ) {
 957                 client->source_position = Units::to_int64(
 958                         mwindow->edl->local_session->get_selectionstart(1) *
 959                                 mwindow->edl->session->sample_rate);
 960         }
 961
 962         client->plugin_update_gui();
 963 }
 964
 965 void PluginServer::update_title()
 966 {
 967         if( !plugin_open ) return;
 968
 969         client->update_display_title();
 970 }
 971
 972
 973 int PluginServer::set_string(char *string)
 974 {
 975         if( !plugin_open ) return 0;
 976
 977         client->set_string_client(string);
 978         return 0;
 979 }
 980
 981 int PluginServer::gui_open()
 982 {
 983         if( attachmentpoint ) return attachmentpoint->gui_open();
 984         return 0;
 985 }
 986
 987 void PluginServer::set_use_opengl(int value, VideoDevice *vdevice)
 988 {
 989         this->use_opengl = value;
 990         this->vdevice = vdevice;
 991 }
 992
 993 int PluginServer::get_use_opengl()
 994 {
 995         return use_opengl;
 996 }
 997
 998
 999 void PluginServer::run_opengl(PluginClient *plugin_client)
1000 {
1001         if( vdevice )
1002                 ((VDeviceX11*)vdevice->get_output_base())->run_plugin(plugin_client);
1003 }
1004
1005 // ============================= queries
1006
1007 void PluginServer::get_defaults_path(char *path)
1008 {
1009 // Get plugin name from path
1010         char *ptr1 = strrchr(get_path(), '/');
1011         char *ptr2 = strrchr(get_path(), '.');
1012         if( !ptr1 ) ptr1 = get_path();
1013         if( !ptr2 ) ptr2 = get_path() + strlen(get_path());
1014         char string2[BCTEXTLEN], *ptr3 = string2;
1015         while( ptr1 < ptr2 ) *ptr3++ = *ptr1++;
1016         *ptr3 = 0;
1017         sprintf(path, "%s/%s.xml", File::get_config_path(), string2);
1018 }
1019
1020 void PluginServer::save_defaults()
1021 {
1022         if( client ) client->save_defaults();
1023 }
1024
1025 int PluginServer::get_samplerate()
1026 {
1027         if( !plugin_open ) return 0;
1028         if( audio )
1029                 return client->get_samplerate();
1030         if( mwindow )
1031                 return mwindow->edl->session->sample_rate;
1032         printf("PluginServer::get_samplerate audio and mwindow == NULL\n");
1033         return 1;
1034 }
1035
1036
1037 double PluginServer::get_framerate()
1038 {
1039         if( !plugin_open ) return 0;
1040         if( video )
1041                 return client->get_framerate();
1042         if( mwindow )
1043                 return mwindow->edl->session->frame_rate;
1044         printf("PluginServer::get_framerate video and mwindow == NULL\n");
1045         return 1;
1046 }
1047
1048 int PluginServer::get_project_samplerate()
1049 {
1050         if( mwindow )
1051                 return mwindow->edl->session->sample_rate;
1052         if( edl )
1053                 return edl->session->sample_rate;
1054         printf("PluginServer::get_project_samplerate mwindow and edl are NULL.\n");
1055         return 1;
1056 }
1057
1058 double PluginServer::get_project_framerate()
1059 {
1060         if( mwindow )
1061                 return mwindow->edl->session->frame_rate;
1062         if( edl )
1063                 return edl->session->frame_rate;
1064         printf("PluginServer::get_project_framerate mwindow and edl are NULL.\n");
1065         return 1;
1066 }
1067
1068
1069 int PluginServer::detach_buffers()
1070 {
1071         ring_buffers_out.remove_all();
1072         offset_out_render.remove_all();
1073         double_buffer_out_render.remove_all();
1074         realtime_out_size.remove_all();
1075
1076         ring_buffers_in.remove_all();
1077         offset_in_render.remove_all();
1078         double_buffer_in_render.remove_all();
1079         realtime_in_size.remove_all();
1080
1081         out_buffer_size = 0;
1082         shared_buffers = 0;
1083         total_out_buffers = 0;
1084         in_buffer_size = 0;
1085         total_in_buffers = 0;
1086         return 0;
1087 }
1088
1089 int PluginServer::arm_buffer(int buffer_number,
1090                 int64_t offset_in, int64_t offset_out,
1091                 int double_buffer_in, int double_buffer_out)
1092 {
1093         offset_in_render.values[buffer_number] = offset_in;
1094         offset_out_render.values[buffer_number] = offset_out;
1095         double_buffer_in_render.values[buffer_number] = double_buffer_in;
1096         double_buffer_out_render.values[buffer_number] = double_buffer_out;
1097         return 0;
1098 }
1099
1100
1101 int PluginServer::set_automation(FloatAutos *autos, FloatAuto **start_auto, FloatAuto **end_auto, int reverse)
1102 {
1103         this->autos = autos;
1104         this->start_auto = start_auto;
1105         this->end_auto = end_auto;
1106         this->reverse = reverse;
1107         return 0;
1108 }
1109
1110
1111
1112 void PluginServer::save_data(KeyFrame *keyframe)
1113 {
1114         if( !plugin_open ) return;
1115         client->save_data(keyframe);
1116 }
1117
1118 KeyFrame* PluginServer::get_prev_keyframe(int64_t position)
1119 {
1120         KeyFrame *result = 0;
1121         if( plugin )
1122                 result = plugin->get_prev_keyframe(position, client->direction);
1123         else
1124                 result = keyframe;
1125         return result;
1126 }
1127
1128 KeyFrame* PluginServer::get_next_keyframe(int64_t position)
1129 {
1130         KeyFrame *result = !plugin ? 0 :
1131                 plugin->get_next_keyframe(position, client->direction);
1132         return result;
1133 }
1134
1135 // Called for
1136 KeyFrame* PluginServer::get_keyframe()
1137 {
1138         if( plugin )
1139 // Realtime plugin case
1140                 return plugin->get_keyframe();
1141 // Rendered plugin case
1142         return keyframe;
1143 }
1144
1145
1146 void PluginServer::apply_keyframe(KeyFrame *src)
1147 {
1148         if( !plugin )
1149                 keyframe->copy_data(src);
1150         else
1151 // Span keyframes
1152                 plugin->keyframes->update_parameter(src);
1153 }
1154
1155
1156 void PluginServer::get_camera(float *x, float *y, float *z,
1157         int64_t position, int direction)
1158 {
1159         plugin->track->automation->get_camera(x, y, z, position, direction);
1160 }
1161
1162 void PluginServer::get_projector(float *x, float *y, float *z,
1163         int64_t position, int direction)
1164 {
1165         plugin->track->automation->get_projector(x, y, z, position, direction);
1166 }
1167
1168
1169 int PluginServer::get_interpolation_type()
1170 {
1171         return plugin->edl->session->interpolation_type;
1172 }
1173
1174 Theme* PluginServer::new_theme()
1175 {
1176         if( theme )
1177                 return client->new_theme();
1178         return 0;
1179 }
1180
1181 Theme* PluginServer::get_theme()
1182 {
1183         if( mwindow ) return mwindow->theme;
1184         printf("PluginServer::get_theme mwindow not set\n");
1185         return 0;
1186 }
1187
1188
1189 void PluginServer::get_plugin_png_name(char *png_name)
1190 {
1191         char *pp = png_name, *ep = pp + BCSTRLEN-1;
1192         char *cp = strrchr(path, '/');
1193         cp = !cp ? path : cp+1;
1194         char *sp = strrchr(cp, '.');
1195         if( !sp ) sp = cp+strlen(cp);
1196         while( pp < ep && cp < sp ) *pp++ = *cp++;
1197         snprintf(pp, ep-pp, ".png");
1198 }
1199
1200 int PluginServer::get_plugin_png_path(char *png_path, const char *plugin_icons)
1201 {
1202         char png_name[BCSTRLEN];
1203         get_plugin_png_name(png_name);
1204         char *pp = png_path, *ep = pp + BCTEXTLEN-1;
1205         pp += snprintf(pp, ep-pp, "%s/picon/%s/%s",
1206                 File::get_plugin_path(), plugin_icons, png_name);
1207         return access(png_path,R_OK) ? 1 : 0;
1208 }
1209
1210 int PluginServer::get_plugin_png_path(char *png_path)
1211 {
1212         int ret = get_plugin_png_path(png_path, mwindow->preferences->plugin_icons);
1213         if( ret ) ret = get_plugin_png_path(png_path, DEFAULT_PICON);
1214         return ret;
1215 }
1216
1217 VFrame *PluginServer::get_plugin_images()
1218 {
1219         char png_path[BCTEXTLEN];
1220         if( !get_plugin_png_path(png_path) )
1221                 return VFramePng::vframe_png(png_path,0,0);
1222         char png_name[BCSTRLEN];
1223         get_plugin_png_name(png_name);
1224         unsigned char *data = mwindow->theme->get_image_data(png_name, 0);
1225         return data ? new VFramePng(data, 0.) : 0;
1226 }
1227
1228 VFrame *PluginServer::get_picon()
1229 {
1230         if( !picon )
1231                 picon = get_plugin_images();
1232         return picon;
1233 }
1234
1235 // Called when plugin interface is tweeked
1236 void PluginServer::sync_parameters()
1237 {
1238         if( video ) mwindow->restart_brender();
1239         mwindow->sync_parameters();
1240         mwindow->update_keyframe_guis();
1241         if( mwindow->edl->session->auto_conf->plugins ) {
1242                 mwindow->gui->lock_window("PluginServer::sync_parameters");
1243                 mwindow->gui->draw_overlays(1);
1244                 mwindow->gui->unlock_window();
1245         }
1246 }
1247
1248 int64_t PluginServer::get_startproject()
1249 {
1250         return !plugin ? -1 : plugin->startproject;
1251 }
1252 int64_t PluginServer::get_endproject()
1253 {
1254         return !plugin ? -1 : plugin->startproject + plugin->length;
1255 }
1256
1257 void PluginServer::dump(FILE *fp)
1258 {
1259         fprintf(fp,"    PluginServer %d %p %s %s %d\n",
1260                 __LINE__, this, path, title, realtime);
1261 }