cinelerra-5.0/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 "floatautos.h"
  33 #include "keyframes.h"
  34 #include "localsession.h"
  35 #include "mainerror.h"
  36 #include "mainprogress.h"
  37 #include "menueffects.h"
  38 #include "mwindow.h"
  39 #include "mwindowgui.h"
  40 #include "playbackengine.h"
  41 #include "plugin.h"
  42 #include "pluginaclient.h"
  43 #include "pluginaclientlad.h"
  44 #include "pluginfclient.h"
  45 #include "pluginclient.h"
  46 #include "plugincommands.h"
  47 #include "pluginserver.h"
  48 #include "pluginvclient.h"
  49 #include "preferences.h"
  50 #include "samples.h"
  51 #include "sema.h"
  52 #include "mainsession.h"
  53 #include "theme.h"
  54 #include "trackcanvas.h"
  55 #include "transportque.h"
  56 #include "vdevicex11.h"
  57 #include "vframe.h"
  58 #include "videodevice.h"
  59 #include "virtualanode.h"
  60 #include "virtualvnode.h"
  61 #include "vmodule.h"
  62 #include "vtrack.h"
  63
  64
  65 #include<stdio.h>
  66 #include<unistd.h>
  67 #include<fcntl.h>
  68 #include <sys/types.h>
  69 #include <sys/wait.h>
  70 #include<sys/stat.h>
  71 #include <sys/mman.h>
  72
  73
  74 void PluginServer::init()
  75 {
  76         reset_parameters();
  77         this->plugin_type = PLUGIN_TYPE_UNKNOWN;
  78         plugin_obj = new PluginObj();
  79         modules = new ArrayList<Module*>;
  80         nodes = new ArrayList<VirtualNode*>;
  81 }
  82
  83 PluginServer::PluginServer()
  84 {
  85         init();
  86 }
  87
  88 PluginServer::PluginServer(MWindow *mwindow, char *path, int type)
  89 {
  90         char fpath[BCTEXTLEN];
  91         init();
  92         this->plugin_type = type;
  93         this->mwindow = mwindow;
  94         if( type == PLUGIN_TYPE_FFMPEG ) {
  95                 ff_name = cstrdup(path);
  96                 sprintf(fpath, "ff_%s", path);
  97                 path = fpath;
  98         }
  99         set_path(path);
 100 }
 101
 102 PluginServer::PluginServer(PluginServer &that)
 103 {
 104         reset_parameters();
 105         plugin_type = that.plugin_type;
 106         plugin_obj = that.plugin_obj;
 107         plugin_obj->add_user();
 108         title = !that.title ? 0 : cstrdup(that.title);
 109         path = !that.path ? 0 : cstrdup(that.path);
 110         ff_name = !that.ff_name ? 0 : cstrdup(that.ff_name);
 111         modules = new ArrayList<Module*>;
 112         nodes = new ArrayList<VirtualNode*>;
 113
 114         attachment = that.attachment;
 115         realtime = that.realtime;
 116         multichannel = that.multichannel;
 117         preferences = that.preferences;
 118         synthesis = that.synthesis;
 119         audio = that.audio;
 120         video = that.video;
 121         theme = that.theme;
 122         fileio = that.fileio;
 123         uses_gui = that.uses_gui;
 124         mwindow = that.mwindow;
 125         keyframe = that.keyframe;
 126         new_plugin = that.new_plugin;
 127
 128         lad_descriptor = that.lad_descriptor;
 129         lad_descriptor_function = that.lad_descriptor_function;
 130         lad_index = that.lad_index;
 131 }
 132
 133 PluginServer::~PluginServer()
 134 {
 135         close_plugin();
 136         delete [] path;
 137         delete [] ff_name;
 138         delete [] title;
 139         delete modules;
 140         delete nodes;
 141         delete picon;
 142         plugin_obj->remove_user();
 143 }
 144
 145 // Done only once at creation
 146 int PluginServer::reset_parameters()
 147 {
 148         mwindow = 0;
 149         keyframe = 0;
 150         prompt = 0;
 151         cleanup_plugin();
 152         autos = 0;
 153         edl = 0;
 154         preferences = 0;
 155         title = 0;
 156         path = 0;
 157         ff_name = 0;
 158         audio = video = theme = 0;
 159         fileio = 0;
 160         uses_gui = 0;
 161         realtime = multichannel = fileio = 0;
 162         synthesis = 0;
 163         start_auto = end_auto = 0;
 164         transition = 0;
 165         new_plugin = 0;
 166         client = 0;
 167         use_opengl = 0;
 168         vdevice = 0;
 169         modules = 0;
 170         nodes = 0;
 171         picon = 0;
 172
 173         lad_index = -1;
 174         lad_descriptor_function = 0;
 175         lad_descriptor = 0;
 176         return 0;
 177 }
 178
 179 // Done every time the plugin is opened or closed
 180 int PluginServer::cleanup_plugin()
 181 {
 182         in_buffer_size = out_buffer_size = 0;
 183         total_in_buffers = total_out_buffers = 0;
 184         error_flag = 0;
 185         written_samples = 0;
 186         shared_buffers = 0;
 187         new_buffers = 0;
 188         written_samples = written_frames = 0;
 189         gui_on = 0;
 190         plugin = 0;
 191         plugin_open = 0;
 192         return 0;
 193 }
 194
 195 void PluginServer::set_mwindow(MWindow *mwindow)
 196 {
 197         this->mwindow = mwindow;
 198 }
 199
 200 void PluginServer::set_attachmentpoint(AttachmentPoint *attachmentpoint)
 201 {
 202         this->attachmentpoint = attachmentpoint;
 203 }
 204
 205 void PluginServer::set_keyframe(KeyFrame *keyframe)
 206 {
 207         this->keyframe = keyframe;
 208 }
 209
 210 void PluginServer::set_prompt(MenuEffectPrompt *prompt)
 211 {
 212         this->prompt = prompt;
 213 }
 214
 215 void PluginServer::set_lad_index(int i)
 216 {
 217         this->lad_index = i;
 218 }
 219
 220 int PluginServer::get_lad_index()
 221 {
 222         return this->lad_index;
 223 }
 224
 225 int PluginServer::is_ladspa()
 226 {
 227         return plugin_type == PLUGIN_TYPE_LADSPA ? 1 : 0;
 228 }
 229
 230 int PluginServer::is_ffmpeg()
 231 {
 232         return plugin_type == PLUGIN_TYPE_FFMPEG ? 1 : 0;
 233 }
 234
 235 void PluginServer::set_path(const char *path)
 236 {
 237         delete [] this->path;
 238         this->path = cstrdup(path);
 239 }
 240
 241 char* PluginServer::get_path()
 242 {
 243         return this->path;
 244 }
 245
 246 int PluginServer::get_synthesis()
 247 {
 248         return synthesis;
 249 }
 250
 251
 252 void PluginServer::set_title(const char *string)
 253 {
 254         if(title) delete [] title;
 255         title = cstrdup(string);
 256 }
 257
 258 void PluginServer::generate_display_title(char *string)
 259 {
 260         char ltitle[BCTEXTLEN];
 261         if(BC_Resources::locale_utf8)
 262                 strcpy(ltitle, _(title));
 263         else
 264                 BC_Resources::encode(BC_Resources::encoding, 0,
 265                                 _(title),strlen(title)+1, ltitle,BCTEXTLEN);
 266         if(plugin && plugin->track)
 267                 sprintf(string, "%s: %s", plugin->track->title, ltitle);
 268         else
 269                 strcpy(string, ltitle);
 270 }
 271
 272 void *PluginObj::load(const char *plugin_dir, const char *path)
 273 {
 274         char dlpath[BCTEXTLEN], *dp = dlpath;
 275         const char *cp = path;
 276         if( *cp != '/' ) {
 277                 const char *bp = plugin_dir;
 278                 while( *bp ) *dp++ = *bp++;
 279                 *dp++ = '/';
 280         }
 281         while( *cp ) *dp++ = *cp++;
 282         *dp = 0;
 283         return dlobj = load(dlpath);
 284 }
 285
 286 int PluginServer::load_obj()
 287 {
 288         void *obj = plugin_obj->obj();
 289         if( !obj ) obj =plugin_obj->load(preferences->plugin_dir, path);
 290         return obj ? 1 : 0;
 291 }
 292
 293 const char *PluginServer::load_error()
 294 {
 295         return plugin_obj->load_error();
 296 }
 297
 298 void *PluginServer::get_sym(const char *sym)
 299 {
 300         if( !plugin_obj->obj() ) return 0;
 301         return plugin_obj->load_sym(sym);
 302 }
 303
 304 // Open plugin for signal processing
 305 int PluginServer::open_plugin(int master,
 306         Preferences *preferences,
 307         EDL *edl,
 308         Plugin *plugin)
 309 {
 310         if(plugin_open) return 0;
 311
 312         this->preferences = preferences;
 313         this->plugin = plugin;
 314         this->edl = edl;
 315         if( plugin_type != PLUGIN_TYPE_FFMPEG && plugin_type != PLUGIN_TYPE_EXECUTABLE && !load_obj() ) {
 316 // If the load failed it may still be an executable tool for a specific
 317 // file format, in which case we just store the path.
 318                 set_title(path);
 319                 char string[BCTEXTLEN];
 320                 strcpy(string, load_error());
 321                 if( !strstr(string, "executable") ) {
 322                         eprintf("PluginServer::open_plugin: load_obj %s = %s\n", path, string);
 323                         return PLUGINSERVER_NOT_RECOGNIZED;
 324                 }
 325                 plugin_type = PLUGIN_TYPE_EXECUTABLE;
 326         }
 327         if( plugin_type == PLUGIN_TYPE_UNKNOWN || plugin_type == PLUGIN_TYPE_BUILTIN ) {
 328                 new_plugin =
 329                         (PluginClient* (*)(PluginServer*)) get_sym("new_plugin");
 330                 if( new_plugin )
 331                         plugin_type = PLUGIN_TYPE_BUILTIN;
 332         }
 333         if( plugin_type == PLUGIN_TYPE_UNKNOWN || plugin_type == PLUGIN_TYPE_LADSPA ) {
 334                 lad_descriptor_function =
 335                         (LADSPA_Descriptor_Function) get_sym("ladspa_descriptor");
 336                 if( lad_descriptor_function ) {
 337                         if( lad_index < 0 ) return PLUGINSERVER_IS_LAD;
 338                         lad_descriptor = lad_descriptor_function(lad_index);
 339                         if( !lad_descriptor )
 340                                 return PLUGINSERVER_NOT_RECOGNIZED;
 341                         plugin_type = PLUGIN_TYPE_LADSPA;
 342                 }
 343         }
 344         if( plugin_type == PLUGIN_TYPE_UNKNOWN ) {
 345                 fprintf(stderr, "PluginServer::open_plugin "
 346                         " %d: plugin undefined in %s\n", __LINE__, path);
 347                 return PLUGINSERVER_NOT_RECOGNIZED;
 348         }
 349         switch( plugin_type ) {
 350         case PLUGIN_TYPE_BUILTIN:
 351                 client = new_plugin(this);
 352                 break;
 353         case PLUGIN_TYPE_LADSPA:
 354                 client = new PluginAClientLAD(this);
 355                 break;
 356         case PLUGIN_TYPE_FFMPEG:
 357                 client = new_ffmpeg_plugin();
 358                 break;
 359         default:
 360                 client = 0;
 361                 break;
 362         }
 363         if( !client )
 364                 return PLUGINSERVER_NOT_RECOGNIZED;
 365
 366 // Run initialization functions
 367         realtime = client->is_realtime();
 368 // Don't load defaults when probing the directory.
 369         if(!master) {
 370                 if(realtime)
 371                         client->load_defaults_xml();
 372                 else
 373                         client->load_defaults();
 374         }
 375         audio = client->is_audio();
 376         video = client->is_video();
 377         theme = client->is_theme();
 378         fileio = client->is_fileio();
 379         uses_gui = client->uses_gui();
 380         multichannel = client->is_multichannel();
 381         synthesis = client->is_synthesis();
 382         transition = client->is_transition();
 383         set_title(client->plugin_title());
 384
 385 //printf("PluginServer::open_plugin 2\n");
 386         plugin_open = 1;
 387         return PLUGINSERVER_OK;
 388 }
 389
 390 int PluginServer::close_plugin()
 391 {
 392         if(!plugin_open) return 0;
 393
 394         if(client)
 395         {
 396 // Defaults are saved in the thread.
 397 //              if(client->defaults) client->save_defaults();
 398                 delete client;
 399         }
 400
 401 // shared object is persistent since plugin deletion would unlink its own object
 402         plugin_open = 0;
 403         cleanup_plugin();
 404         return 0;
 405 }
 406
 407 void PluginServer::client_side_close()
 408 {
 409 // Last command executed in client thread
 410         if(plugin)
 411                 mwindow->hide_plugin(plugin, 1);
 412         else
 413         if(prompt)
 414         {
 415                 prompt->lock_window();
 416                 prompt->set_done(1);
 417                 prompt->unlock_window();
 418         }
 419 }
 420
 421 void PluginServer::render_stop()
 422 {
 423         if(client)
 424                 client->render_stop();
 425 }
 426
 427 void PluginServer::write_table(FILE *fp, int idx)
 428 {
 429         if(!fp) return;
 430         fprintf(fp, "%d \"%s\" \"%s\" %d %d %d %d %d %d %d %d %d %d %d\n",
 431                 plugin_type, path, title, idx, audio, video, theme, realtime,
 432                 fileio, uses_gui, multichannel, synthesis, transition, lad_index);
 433 }
 434
 435 int PluginServer::scan_table(char *text, int &type, char *path, char *title)
 436 {
 437         int n = sscanf(text, "%d \"%[^\"]\" \"%[^\"]\"", &type, path, title);
 438         return n < 3 ? 1 : 0;
 439 }
 440
 441 int PluginServer::read_table(char *text)
 442 {
 443         char path[BCTEXTLEN], title[BCTEXTLEN];
 444         int n = sscanf(text, "%d \"%[^\"]\" \"%[^\"]\" %d %d %d %d %d %d %d %d %d %d %d",
 445                 &plugin_type, path, title, &dir_idx, &audio, &video, &theme, &realtime,
 446                 &fileio, &uses_gui, &multichannel, &synthesis, &transition, &lad_index);
 447         if( n != 14 ) return 1;
 448         set_path(path);
 449         set_title(title);
 450         return 0;
 451 }
 452
 453 int PluginServer::init_realtime(int realtime_sched,
 454                 int total_in_buffers,
 455                 int buffer_size)
 456 {
 457
 458         if(!plugin_open) return 0;
 459
 460 // set for realtime priority
 461 // initialize plugin
 462 // Call start_realtime
 463         this->total_in_buffers = this->total_out_buffers = total_in_buffers;
 464         client->plugin_init_realtime(realtime_sched,
 465                 total_in_buffers,
 466                 buffer_size);
 467
 468         return 0;
 469 }
 470
 471
 472 // Replaced by pull method but still needed for transitions
 473 void PluginServer::process_transition(VFrame *input,
 474                 VFrame *output,
 475                 int64_t current_position,
 476                 int64_t total_len)
 477 {
 478         if(!plugin_open) return;
 479         PluginVClient *vclient = (PluginVClient*)client;
 480
 481         vclient->source_position = current_position;
 482         vclient->source_start = 0;
 483         vclient->total_len = total_len;
 484
 485         vclient->input = new VFrame*[1];
 486         vclient->output = new VFrame*[1];
 487
 488         vclient->input[0] = input;
 489         vclient->output[0] = output;
 490
 491         vclient->process_realtime(input, output);
 492         vclient->age_temp();
 493         delete [] vclient->input;
 494         delete [] vclient->output;
 495         use_opengl = 0;
 496 }
 497
 498 void PluginServer::process_transition(Samples *input,
 499                 Samples *output,
 500                 int64_t current_position,
 501                 int64_t fragment_size,
 502                 int64_t total_len)
 503 {
 504         if(!plugin_open) return;
 505         PluginAClient *aclient = (PluginAClient*)client;
 506
 507         aclient->source_position = current_position;
 508         aclient->total_len = total_len;
 509         aclient->source_start = 0;
 510         aclient->process_realtime(fragment_size,
 511                 input,
 512                 output);
 513 }
 514
 515
 516 void PluginServer::process_buffer(VFrame **frame,
 517         int64_t current_position,
 518         double frame_rate,
 519         int64_t total_len,
 520         int direction)
 521 {
 522         if(!plugin_open) return;
 523         PluginVClient *vclient = (PluginVClient*)client;
 524
 525         vclient->source_position = current_position;
 526         vclient->total_len = total_len;
 527         vclient->frame_rate = frame_rate;
 528         vclient->input = new VFrame*[total_in_buffers];
 529         vclient->output = new VFrame*[total_in_buffers];
 530         for(int i = 0; i < total_in_buffers; i++)
 531         {
 532                 vclient->input[i] = frame[i];
 533                 vclient->output[i] = frame[i];
 534         }
 535
 536         if(plugin)
 537         {
 538                 vclient->source_start = (int64_t)plugin->startproject *
 539                         frame_rate /
 540                         vclient->project_frame_rate;
 541         }
 542         vclient->direction = direction;
 543
 544
 545 //PRINT_TRACE
 546 //printf("plugin=%p source_start=%ld\n", plugin, vclient->source_start);
 547
 548         vclient->begin_process_buffer();
 549         if(multichannel)
 550         {
 551                 vclient->process_buffer(frame, current_position, frame_rate);
 552         }
 553         else
 554         {
 555                 vclient->process_buffer(frame[0], current_position, frame_rate);
 556         }
 557         vclient->end_process_buffer();
 558
 559         for(int i = 0; i < total_in_buffers; i++)
 560                 frame[i]->push_prev_effect(title);
 561
 562         delete [] vclient->input;
 563         delete [] vclient->output;
 564
 565     vclient->age_temp();
 566         use_opengl = 0;
 567 }
 568
 569 void PluginServer::process_buffer(Samples **buffer,
 570         int64_t current_position,
 571         int64_t fragment_size,
 572         int64_t sample_rate,
 573         int64_t total_len,
 574         int direction)
 575 {
 576         if(!plugin_open) return;
 577         PluginAClient *aclient = (PluginAClient*)client;
 578
 579         aclient->source_position = current_position;
 580         aclient->total_len = total_len;
 581         aclient->sample_rate = sample_rate;
 582
 583         if(plugin)
 584                 aclient->source_start = plugin->startproject *
 585                         sample_rate /
 586                         aclient->project_sample_rate;
 587
 588         aclient->direction = direction;
 589         aclient->begin_process_buffer();
 590         if(multichannel)
 591         {
 592                 aclient->process_buffer(fragment_size,
 593                         buffer,
 594                         current_position,
 595                         sample_rate);
 596         }
 597         else
 598         {
 599                 aclient->process_buffer(fragment_size,
 600                         buffer[0],
 601                         current_position,
 602                         sample_rate);
 603         }
 604         aclient->end_process_buffer();
 605 }
 606
 607
 608 void PluginServer::send_render_gui(void *data)
 609 {
 610 //printf("PluginServer::send_render_gui 1 %p\n", attachmentpoint);
 611         if(attachmentpoint) attachmentpoint->render_gui(data, this);
 612 }
 613
 614 void PluginServer::send_render_gui(void *data, int size)
 615 {
 616 //printf("PluginServer::send_render_gui 1 %p\n", attachmentpoint);
 617         if(attachmentpoint) attachmentpoint->render_gui(data, size, this);
 618 }
 619
 620 void PluginServer::render_gui(void *data)
 621 {
 622         if(client) client->plugin_render_gui(data);
 623 }
 624
 625 void PluginServer::render_gui(void *data, int size)
 626 {
 627         if(client) client->plugin_render_gui(data, size);
 628 }
 629
 630 MainProgressBar* PluginServer::start_progress(char *string, int64_t length)
 631 {
 632         mwindow->gui->lock_window();
 633         MainProgressBar *result = mwindow->mainprogress->start_progress(string, length);
 634         mwindow->gui->unlock_window();
 635         return result;
 636 }
 637
 638 int64_t PluginServer::get_written_samples()
 639 {
 640         if(!plugin_open) return 0;
 641         return written_samples;
 642 }
 643
 644 int64_t PluginServer::get_written_frames()
 645 {
 646         if(!plugin_open) return 0;
 647         return written_frames;
 648 }
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659 // ======================= Non-realtime plugin
 660
 661 int PluginServer::get_parameters(int64_t start, int64_t end, int channels)
 662 {
 663         if(!plugin_open) return 0;
 664
 665         client->start = start;
 666         client->end = end;
 667         client->source_start = start;
 668         client->total_len = end - start;
 669         client->total_in_buffers = channels;
 670
 671 //PRINT_TRACE
 672 //printf(" source_start=%ld total_len=%ld\n", client->source_start, client->total_len);
 673
 674         return client->plugin_get_parameters();
 675 }
 676
 677 int PluginServer::set_interactive()
 678 {
 679         if(!plugin_open) return 0;
 680         client->set_interactive();
 681         return 0;
 682 }
 683
 684 void PluginServer::append_module(Module *module)
 685 {
 686         modules->append(module);
 687 }
 688
 689 void PluginServer::append_node(VirtualNode *node)
 690 {
 691         nodes->append(node);
 692 }
 693
 694 void PluginServer::reset_nodes()
 695 {
 696         nodes->remove_all();
 697 }
 698
 699 int PluginServer::set_error()
 700 {
 701         error_flag = 1;
 702         return 0;
 703 }
 704
 705 int PluginServer::set_realtime_sched()
 706 {
 707         //struct sched_param params;
 708         //params.sched_priority = 1;
 709         //sched_setscheduler(0, SCHED_RR, &param);
 710         return 0;
 711 }
 712
 713
 714 int PluginServer::process_loop(VFrame **buffers, int64_t &write_length)
 715 {
 716         if(!plugin_open) return 1;
 717         return client->plugin_process_loop(buffers, write_length);
 718 }
 719
 720 int PluginServer::process_loop(Samples **buffers, int64_t &write_length)
 721 {
 722         if(!plugin_open) return 1;
 723         return client->plugin_process_loop(buffers, write_length);
 724 }
 725
 726
 727 int PluginServer::start_loop(int64_t start,
 728         int64_t end,
 729         int64_t buffer_size,
 730         int total_buffers)
 731 {
 732         if(!plugin_open) return 0;
 733         client->plugin_start_loop(start, end, buffer_size, total_buffers);
 734         return 0;
 735 }
 736
 737 int PluginServer::stop_loop()
 738 {
 739         if(!plugin_open) return 0;
 740         return client->plugin_stop_loop();
 741 }
 742
 743 int PluginServer::read_frame(VFrame *buffer,
 744         int channel,
 745         int64_t start_position)
 746 {
 747         ((VModule*)modules->values[channel])->render(buffer,
 748                 start_position,
 749                 PLAY_FORWARD,
 750                 mwindow->edl->session->frame_rate,
 751                 0,
 752                 0);
 753         return 0;
 754 }
 755
 756 int PluginServer::read_samples(Samples *buffer,
 757         int channel,
 758         int64_t sample_rate,
 759         int64_t start_position,
 760         int64_t len)
 761 {
 762 // len is now in buffer
 763         if(!multichannel) channel = 0;
 764
 765         if(nodes->total > channel)
 766                 return ((VirtualANode*)nodes->values[channel])->read_data(buffer,
 767                         len,
 768                         start_position,
 769                         sample_rate);
 770         else
 771         if(modules->total > channel)
 772                 return ((AModule*)modules->values[channel])->render(buffer,
 773                         len,
 774                         start_position,
 775                         PLAY_FORWARD,
 776                         sample_rate,
 777                         0);
 778         else
 779         {
 780                 printf("PluginServer::read_samples no object available for channel=%d\n",
 781                         channel);
 782         }
 783
 784         return -1;
 785 }
 786
 787
 788 int PluginServer::read_samples(Samples *buffer,
 789         int channel,
 790         int64_t start_position,
 791         int64_t size)
 792 {
 793 // total_samples is now set in buffer
 794         ((AModule*)modules->values[channel])->render(buffer,
 795                 size,
 796                 start_position,
 797                 PLAY_FORWARD,
 798                 mwindow->edl->session->sample_rate,
 799                 0);
 800         return 0;
 801 }
 802
 803 int PluginServer::read_frame(VFrame *buffer,
 804         int channel,
 805         int64_t start_position,
 806         double frame_rate,
 807         int use_opengl)
 808 {
 809 // Data source depends on whether we're part of a virtual console or a
 810 // plugin array.
 811 //     VirtualNode
 812 //     Module
 813 // If we're a VirtualNode, read_data in the virtual plugin node handles
 814 //     backward propogation and produces the data.
 815 // If we're a Module, render in the module produces the data.
 816 //PRINT_TRACE
 817
 818         int result = -1;
 819         if(!multichannel) channel = 0;
 820
 821 // Push our name on the next effect stack
 822         buffer->push_next_effect(title);
 823 //printf("PluginServer::read_frame %p\n", buffer);
 824 //buffer->dump_stacks();
 825
 826         if(nodes->total > channel)
 827         {
 828 //printf("PluginServer::read_frame %d\n", __LINE__);
 829                 result = ((VirtualVNode*)nodes->values[channel])->read_data(buffer,
 830                         start_position,
 831                         frame_rate,
 832                         use_opengl);
 833         }
 834         else
 835         if(modules->total > channel)
 836         {
 837 //printf("PluginServer::read_frame %d\n", __LINE__);
 838                 result = ((VModule*)modules->values[channel])->render(buffer,
 839                         start_position,
 840 //                      PLAY_FORWARD,
 841                         client->direction,
 842                         frame_rate,
 843                         0,
 844                         0,
 845                         use_opengl);
 846         }
 847         else
 848         {
 849                 printf("PluginServer::read_frame no object available for channel=%d\n",
 850                         channel);
 851         }
 852
 853 // Pop our name from the next effect stack
 854         buffer->pop_next_effect();
 855
 856         return result;
 857 }
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878 // Called by client
 879 int PluginServer::get_gui_status()
 880 {
 881         if(plugin)
 882                 return plugin->show ? GUI_ON : GUI_OFF;
 883         else
 884                 return GUI_OFF;
 885 }
 886
 887 void PluginServer::raise_window()
 888 {
 889         if(!plugin_open) return;
 890         client->raise_window();
 891 }
 892
 893 void PluginServer::show_gui()
 894 {
 895         if(!plugin_open) return;
 896         if(plugin) client->total_len = plugin->length;
 897         if(plugin) client->source_start = plugin->startproject;
 898         if(video)
 899         {
 900                 client->source_position = Units::to_int64(
 901                         mwindow->edl->local_session->get_selectionstart(1) *
 902                                 mwindow->edl->session->frame_rate);
 903         }
 904         else
 905         if(audio)
 906         {
 907                 client->source_position = Units::to_int64(
 908                         mwindow->edl->local_session->get_selectionstart(1) *
 909                                 mwindow->edl->session->sample_rate);
 910         }
 911
 912         client->update_display_title();
 913         client->show_gui();
 914 }
 915
 916 void PluginServer::hide_gui()
 917 {
 918         if(!plugin_open) return;
 919         if(client->defaults) client->save_defaults();
 920         client->hide_gui();
 921 }
 922
 923 void PluginServer::update_gui()
 924 {
 925         if(!plugin_open || !plugin) return;
 926
 927         client->total_len = plugin->length;
 928         client->source_start = plugin->startproject;
 929
 930         if(video)
 931         {
 932                 client->source_position = Units::to_int64(
 933                         mwindow->edl->local_session->get_selectionstart(1) *
 934                                 mwindow->edl->session->frame_rate);
 935         }
 936         else
 937         if(audio)
 938         {
 939                 client->source_position = Units::to_int64(
 940                         mwindow->edl->local_session->get_selectionstart(1) *
 941                                 mwindow->edl->session->sample_rate);
 942         }
 943
 944         client->plugin_update_gui();
 945 }
 946
 947 void PluginServer::update_title()
 948 {
 949         if(!plugin_open) return;
 950
 951         client->update_display_title();
 952 }
 953
 954
 955 int PluginServer::set_string(char *string)
 956 {
 957         if(!plugin_open) return 0;
 958
 959         client->set_string_client(string);
 960         return 0;
 961 }
 962
 963 int PluginServer::gui_open()
 964 {
 965         if(attachmentpoint) return attachmentpoint->gui_open();
 966         return 0;
 967 }
 968
 969 void PluginServer::set_use_opengl(int value, VideoDevice *vdevice)
 970 {
 971         this->use_opengl = value;
 972         this->vdevice = vdevice;
 973 }
 974
 975 int PluginServer::get_use_opengl()
 976 {
 977         return use_opengl;
 978 }
 979
 980
 981 void PluginServer::run_opengl(PluginClient *plugin_client)
 982 {
 983         if(vdevice)
 984                 ((VDeviceX11*)vdevice->get_output_base())->run_plugin(plugin_client);
 985 }
 986
 987 // ============================= queries
 988
 989 void PluginServer::get_defaults_path(char *path)
 990 {
 991 // Get plugin name from path
 992         char *ptr1 = strrchr(get_path(), '/');
 993         char *ptr2 = strrchr(get_path(), '.');
 994         if(!ptr1) ptr1 = get_path();
 995         if(!ptr2) ptr2 = get_path() + strlen(get_path());
 996         char string2[BCTEXTLEN];
 997         char *ptr3 = string2;
 998         while(ptr1 < ptr2)
 999         {
1000                 *ptr3++ = *ptr1++;
1001         }
1002         *ptr3 = 0;
1003         sprintf(path, "%s%s.xml", BCASTDIR, string2);
1004 }
1005
1006 void PluginServer::save_defaults()
1007 {
1008         if(client) client->save_defaults();
1009 }
1010
1011 int PluginServer::get_samplerate()
1012 {
1013         if(!plugin_open) return 0;
1014         if(audio)
1015         {
1016                 return client->get_samplerate();
1017         }
1018         else
1019         if(mwindow)
1020                 return mwindow->edl->session->sample_rate;
1021         else
1022         {
1023                 printf("PluginServer::get_samplerate audio and mwindow == NULL\n");
1024                 return 1;
1025         }
1026 }
1027
1028
1029 double PluginServer::get_framerate()
1030 {
1031         if(!plugin_open) return 0;
1032         if(video)
1033         {
1034                 return client->get_framerate();
1035         }
1036         else
1037         if(mwindow)
1038                 return mwindow->edl->session->frame_rate;
1039         else
1040         {
1041                 printf("PluginServer::get_framerate video and mwindow == NULL\n");
1042                 return 1;
1043         }
1044 }
1045
1046 int PluginServer::get_project_samplerate()
1047 {
1048         if(mwindow)
1049                 return mwindow->edl->session->sample_rate;
1050         else
1051         if(edl)
1052                 return edl->session->sample_rate;
1053         else
1054         {
1055                 printf("PluginServer::get_project_samplerate mwindow and edl are NULL.\n");
1056                 return 1;
1057         }
1058 }
1059
1060 double PluginServer::get_project_framerate()
1061 {
1062         if(mwindow)
1063                 return mwindow->edl->session->frame_rate;
1064         else
1065         if(edl)
1066                 return edl->session->frame_rate;
1067         else
1068         {
1069                 printf("PluginServer::get_project_framerate mwindow and edl are NULL.\n");
1070                 return 1;
1071         }
1072 }
1073
1074
1075
1076 int PluginServer::detach_buffers()
1077 {
1078         ring_buffers_out.remove_all();
1079         offset_out_render.remove_all();
1080         double_buffer_out_render.remove_all();
1081         realtime_out_size.remove_all();
1082
1083         ring_buffers_in.remove_all();
1084         offset_in_render.remove_all();
1085         double_buffer_in_render.remove_all();
1086         realtime_in_size.remove_all();
1087
1088         out_buffer_size = 0;
1089         shared_buffers = 0;
1090         total_out_buffers = 0;
1091         in_buffer_size = 0;
1092         total_in_buffers = 0;
1093         return 0;
1094 }
1095
1096 int PluginServer::arm_buffer(int buffer_number,
1097                 int64_t offset_in,
1098                 int64_t offset_out,
1099                 int double_buffer_in,
1100                 int double_buffer_out)
1101 {
1102         offset_in_render.values[buffer_number] = offset_in;
1103         offset_out_render.values[buffer_number] = offset_out;
1104         double_buffer_in_render.values[buffer_number] = double_buffer_in;
1105         double_buffer_out_render.values[buffer_number] = double_buffer_out;
1106         return 0;
1107 }
1108
1109
1110 int PluginServer::set_automation(FloatAutos *autos, FloatAuto **start_auto, FloatAuto **end_auto, int reverse)
1111 {
1112         this->autos = autos;
1113         this->start_auto = start_auto;
1114         this->end_auto = end_auto;
1115         this->reverse = reverse;
1116         return 0;
1117 }
1118
1119
1120
1121 void PluginServer::save_data(KeyFrame *keyframe)
1122 {
1123         if(!plugin_open) return;
1124         client->save_data(keyframe);
1125 }
1126
1127 KeyFrame* PluginServer::get_prev_keyframe(int64_t position)
1128 {
1129         KeyFrame *result = 0;
1130         if(plugin)
1131                 result = plugin->get_prev_keyframe(position, client->direction);
1132         else
1133                 result = keyframe;
1134         return result;
1135 }
1136
1137 KeyFrame* PluginServer::get_next_keyframe(int64_t position)
1138 {
1139         KeyFrame *result = 0;
1140         if(plugin)
1141                 result = plugin->get_next_keyframe(position, client->direction);
1142         else
1143                 result = keyframe;
1144         return result;
1145 }
1146
1147 // Called for
1148 KeyFrame* PluginServer::get_keyframe()
1149 {
1150         if(plugin)
1151 // Realtime plugin case
1152                 return plugin->get_keyframe();
1153         else
1154 // Rendered plugin case
1155                 return keyframe;
1156 }
1157
1158
1159 void PluginServer::apply_keyframe(KeyFrame *src)
1160 {
1161         if(!plugin)
1162         {
1163                 keyframe->copy_data(src);
1164         }
1165         else
1166         {
1167 // Span keyframes
1168                 plugin->keyframes->update_parameter(src);
1169         }
1170 }
1171
1172
1173
1174
1175
1176 void PluginServer::get_camera(float *x, float *y, float *z,
1177         int64_t position, int direction)
1178 {
1179         plugin->track->automation->get_camera(x, y, z, position, direction);
1180 }
1181
1182 void PluginServer::get_projector(float *x, float *y, float *z,
1183         int64_t position, int direction)
1184 {
1185         plugin->track->automation->get_projector(x, y, z, position, direction);
1186 }
1187
1188
1189 int PluginServer::get_interpolation_type()
1190 {
1191         return plugin->edl->session->interpolation_type;
1192 }
1193
1194 Theme* PluginServer::new_theme()
1195 {
1196         if(theme)
1197         {
1198                 return client->new_theme();
1199         }
1200         else
1201                 return 0;
1202 }
1203
1204 Theme* PluginServer::get_theme()
1205 {
1206         if(mwindow) return mwindow->theme;
1207         printf("PluginServer::get_theme mwindow not set\n");
1208         return 0;
1209 }
1210
1211
1212 int PluginServer::get_theme_png_path(char *png_path, const char *theme_dir)
1213 {
1214         char *bp = strrchr(path, '/');
1215         if( !bp ) bp = path; else ++bp;
1216         char *sp = strrchr(bp,'.');
1217         if( !sp || ( strcmp(sp, ".plugin") && strcmp(sp,".so") ) ) return 0;
1218         char *cp = png_path, *dp = bp;
1219         cp += sprintf(cp,"%s/%s/", mwindow->preferences->plugin_dir, theme_dir);
1220         while( dp < sp ) *cp++ = *dp++;
1221         strcpy(cp, ".png");
1222         struct stat st;
1223         if( stat(png_path, &st) ) return 0;
1224         if( !S_ISREG(st.st_mode) ) return 0;
1225         if( st.st_size == 0 ) return 0;
1226         return st.st_size;
1227 }
1228
1229 int PluginServer::get_theme_png_path(char *png_path, Theme *theme)
1230 {
1231         char *bp = strrchr(theme->path, '/');
1232         if( !bp ) bp = theme->path; else ++bp;
1233         char *sp = strrchr(bp,'.');
1234         if( !sp || ( strcmp(sp, ".plugin") && strcmp(sp,".so") ) ) return 0;
1235         char theme_dir[BCTEXTLEN], *cp = theme_dir;
1236         while( bp < sp ) *cp++ = *bp++;
1237         *cp = 0;
1238         return get_theme_png_path(png_path, theme_dir);
1239 }
1240
1241 int PluginServer::get_plugin_png_path(char *png_path)
1242 {
1243         int len = get_theme_png_path(png_path, mwindow->theme);
1244         if( !len )
1245                 len = get_theme_png_path(png_path, "picon");
1246         return len;
1247 }
1248
1249 VFrame *PluginServer::get_plugin_images()
1250 {
1251         char png_path[BCTEXTLEN];
1252         int len = get_plugin_png_path(png_path);
1253         if( !len ) return 0;
1254         int ret = 0, w = 0, h = 0;
1255         unsigned char *bfr = 0;
1256         int fd = ::open(png_path, O_RDONLY);
1257         if( fd < 0 ) ret = 1;
1258         if( !ret ) {
1259                 bfr = (unsigned char *) ::mmap (NULL, len, PROT_READ, MAP_SHARED, fd, 0);
1260                 if( bfr == MAP_FAILED ) ret = 1;
1261         }
1262         VFrame *vframe = 0;
1263         if( !ret ) {
1264                 double scale = BC_WindowBase::get_resources()->icon_scale;
1265                 vframe = new VFramePng(bfr, len, scale, scale);
1266                 if( (w=vframe->get_w()) <= 0 || (h=vframe->get_h()) <= 0 ||
1267                     vframe->get_data() == 0 ) ret = 1;
1268         }
1269         if( bfr && bfr != MAP_FAILED ) ::munmap(bfr, len);
1270         if( fd >= 0 ) ::close(fd);
1271         if( ret ) { delete vframe;  vframe = 0; }
1272         return vframe;
1273 }
1274
1275 VFrame *PluginServer::get_picon()
1276 {
1277         if( !picon )
1278                 picon = get_plugin_images();
1279         return picon;
1280 }
1281
1282 // Called when plugin interface is tweeked
1283 void PluginServer::sync_parameters()
1284 {
1285         if(video) mwindow->restart_brender();
1286         mwindow->sync_parameters();
1287         mwindow->update_keyframe_guis();
1288         if(mwindow->edl->session->auto_conf->plugins)
1289         {
1290                 mwindow->gui->lock_window("PluginServer::sync_parameters");
1291                 mwindow->gui->draw_overlays(1);
1292                 mwindow->gui->unlock_window();
1293         }
1294 }
1295
1296
1297
1298 void PluginServer::dump(FILE *fp)
1299 {
1300         fprintf(fp,"    PluginServer %d %p %s %s %d\n",
1301                 __LINE__, this, path, title, realtime);
1302 }