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 }
  83
  84 PluginServer::PluginServer()
  85 {
  86         init();
  87 }
  88
  89 PluginServer::PluginServer(MWindow *mwindow, char *path, int type)
  90 {
  91         char fpath[BCTEXTLEN];
  92         init();
  93         this->plugin_type = type;
  94         this->mwindow = mwindow;
  95         if( type == PLUGIN_TYPE_FFMPEG ) {
  96                 ff_name = cstrdup(path);
  97                 sprintf(fpath, "ff_%s", path);
  98                 path = fpath;
  99         }
 100         set_path(path);
 101 }
 102
 103 PluginServer::PluginServer(PluginServer &that)
 104 {
 105         reset_parameters();
 106         plugin_type = that.plugin_type;
 107         plugin_obj = that.plugin_obj;
 108         plugin_obj->add_user();
 109         title = !that.title ? 0 : cstrdup(that.title);
 110         path = !that.path ? 0 : cstrdup(that.path);
 111         ff_name = !that.ff_name ? 0 : cstrdup(that.ff_name);
 112         modules = new ArrayList<Module*>;
 113         nodes = new ArrayList<VirtualNode*>;
 114
 115         attachment = that.attachment;
 116         realtime = that.realtime;
 117         multichannel = that.multichannel;
 118         preferences = that.preferences;
 119         synthesis = that.synthesis;
 120         audio = that.audio;
 121         video = that.video;
 122         theme = that.theme;
 123         fileio = that.fileio;
 124         uses_gui = that.uses_gui;
 125         mwindow = that.mwindow;
 126         keyframe = that.keyframe;
 127         new_plugin = that.new_plugin;
 128
 129         lad_descriptor = that.lad_descriptor;
 130         lad_descriptor_function = that.lad_descriptor_function;
 131         lad_index = that.lad_index;
 132 }
 133
 134 PluginServer::~PluginServer()
 135 {
 136         close_plugin();
 137         delete [] path;
 138         delete [] ff_name;
 139         delete [] title;
 140         delete modules;
 141         delete nodes;
 142         delete picon;
 143         plugin_obj->remove_user();
 144 }
 145
 146 // Done only once at creation
 147 int PluginServer::reset_parameters()
 148 {
 149         mwindow = 0;
 150         keyframe = 0;
 151         prompt = 0;
 152         cleanup_plugin();
 153         autos = 0;
 154         edl = 0;
 155         preferences = 0;
 156         title = 0;
 157         path = 0;
 158         ff_name = 0;
 159         audio = video = theme = 0;
 160         fileio = 0;
 161         uses_gui = 0;
 162         realtime = multichannel = fileio = 0;
 163         synthesis = 0;
 164         start_auto = end_auto = 0;
 165         transition = 0;
 166         new_plugin = 0;
 167         client = 0;
 168         use_opengl = 0;
 169         vdevice = 0;
 170         modules = 0;
 171         nodes = 0;
 172         picon = 0;
 173
 174         lad_index = -1;
 175         lad_descriptor_function = 0;
 176         lad_descriptor = 0;
 177         return 0;
 178 }
 179
 180 // Done every time the plugin is opened or closed
 181 int PluginServer::cleanup_plugin()
 182 {
 183         in_buffer_size = out_buffer_size = 0;
 184         total_in_buffers = total_out_buffers = 0;
 185         error_flag = 0;
 186         written_samples = 0;
 187         shared_buffers = 0;
 188         new_buffers = 0;
 189         written_samples = written_frames = 0;
 190         gui_on = 0;
 191         plugin = 0;
 192         plugin_open = 0;
 193         return 0;
 194 }
 195
 196 void PluginServer::set_mwindow(MWindow *mwindow)
 197 {
 198         this->mwindow = mwindow;
 199 }
 200
 201 void PluginServer::set_attachmentpoint(AttachmentPoint *attachmentpoint)
 202 {
 203         this->attachmentpoint = attachmentpoint;
 204 }
 205
 206 void PluginServer::set_keyframe(KeyFrame *keyframe)
 207 {
 208         this->keyframe = keyframe;
 209 }
 210
 211 void PluginServer::set_prompt(MenuEffectPrompt *prompt)
 212 {
 213         this->prompt = prompt;
 214 }
 215
 216 void PluginServer::set_lad_index(int i)
 217 {
 218         this->lad_index = i;
 219 }
 220
 221 int PluginServer::get_lad_index()
 222 {
 223         return this->lad_index;
 224 }
 225
 226 int PluginServer::is_ladspa()
 227 {
 228         return plugin_type == PLUGIN_TYPE_LADSPA ? 1 : 0;
 229 }
 230
 231 int PluginServer::is_ffmpeg()
 232 {
 233         return plugin_type == PLUGIN_TYPE_FFMPEG ? 1 : 0;
 234 }
 235
 236 void PluginServer::set_path(const char *path)
 237 {
 238         delete [] this->path;
 239         this->path = cstrdup(path);
 240 }
 241
 242 char* PluginServer::get_path()
 243 {
 244         return this->path;
 245 }
 246
 247 int PluginServer::get_synthesis()
 248 {
 249         return synthesis;
 250 }
 251
 252
 253 void PluginServer::set_title(const char *string)
 254 {
 255         if(title) delete [] title;
 256         title = cstrdup(string);
 257 }
 258
 259 void PluginServer::generate_display_title(char *string)
 260 {
 261         char ltitle[BCTEXTLEN];
 262         if(BC_Resources::locale_utf8)
 263                 strcpy(ltitle, _(title));
 264         else
 265                 BC_Resources::encode(BC_Resources::encoding, 0,
 266                                 _(title),strlen(title)+1, ltitle,BCTEXTLEN);
 267         if(plugin && plugin->track)
 268                 sprintf(string, "%s: %s", plugin->track->title, ltitle);
 269         else
 270                 strcpy(string, ltitle);
 271 }
 272
 273 void *PluginObj::load(const char *plugin_dir, const char *path)
 274 {
 275         char dlpath[BCTEXTLEN], *dp = dlpath;
 276         const char *cp = path;
 277         if( *cp != '/' ) {
 278                 const char *bp = plugin_dir;
 279                 while( *bp ) *dp++ = *bp++;
 280                 *dp++ = '/';
 281         }
 282         while( *cp ) *dp++ = *cp++;
 283         *dp = 0;
 284         return dlobj = load(dlpath);
 285 }
 286
 287 int PluginServer::load_obj()
 288 {
 289         void *obj = plugin_obj->obj();
 290         if( !obj ) obj =plugin_obj->load(preferences->plugin_dir, path);
 291         return obj ? 1 : 0;
 292 }
 293
 294 const char *PluginServer::load_error()
 295 {
 296         return plugin_obj->load_error();
 297 }
 298
 299 void *PluginServer::get_sym(const char *sym)
 300 {
 301         if( !plugin_obj->obj() ) return 0;
 302         return plugin_obj->load_sym(sym);
 303 }
 304
 305 // Open plugin for signal processing
 306 int PluginServer::open_plugin(int master,
 307         Preferences *preferences,
 308         EDL *edl,
 309         Plugin *plugin)
 310 {
 311         if(plugin_open) return 0;
 312
 313         this->preferences = preferences;
 314         this->plugin = plugin;
 315         this->edl = edl;
 316         if( plugin_type != PLUGIN_TYPE_FFMPEG && plugin_type != PLUGIN_TYPE_EXECUTABLE && !load_obj() ) {
 317 // If the load failed, can't use error to detect executable
 318 //  because locale and language selection change the load_error()
 319 //      if( !strstr(string, "executable") ) { set_title(path); plugin_type = PLUGIN_TYPE_EXECUTABLE; }
 320                 eprintf("PluginServer::open_plugin: load_obj %s = %s\n", path, load_error());
 321                 return PLUGINSERVER_NOT_RECOGNIZED;
 322         }
 323         if( plugin_type == PLUGIN_TYPE_UNKNOWN || plugin_type == PLUGIN_TYPE_BUILTIN ) {
 324                 new_plugin =
 325                         (PluginClient* (*)(PluginServer*)) get_sym("new_plugin");
 326                 if( new_plugin )
 327                         plugin_type = PLUGIN_TYPE_BUILTIN;
 328         }
 329         if( plugin_type == PLUGIN_TYPE_UNKNOWN || plugin_type == PLUGIN_TYPE_LADSPA ) {
 330                 lad_descriptor_function =
 331                         (LADSPA_Descriptor_Function) get_sym("ladspa_descriptor");
 332                 if( lad_descriptor_function ) {
 333                         if( lad_index < 0 ) return PLUGINSERVER_IS_LAD;
 334                         lad_descriptor = lad_descriptor_function(lad_index);
 335                         if( !lad_descriptor )
 336                                 return PLUGINSERVER_NOT_RECOGNIZED;
 337                         plugin_type = PLUGIN_TYPE_LADSPA;
 338                 }
 339         }
 340         if( plugin_type == PLUGIN_TYPE_UNKNOWN ) {
 341                 fprintf(stderr, "PluginServer::open_plugin "
 342                         " %d: plugin undefined in %s\n", __LINE__, path);
 343                 return PLUGINSERVER_NOT_RECOGNIZED;
 344         }
 345         switch( plugin_type ) {
 346         case PLUGIN_TYPE_EXECUTABLE:
 347                 return PLUGINSERVER_OK;
 348         case PLUGIN_TYPE_BUILTIN:
 349                 client = new_plugin(this);
 350                 break;
 351         case PLUGIN_TYPE_LADSPA:
 352                 client = new PluginAClientLAD(this);
 353                 break;
 354         case PLUGIN_TYPE_FFMPEG:
 355                 client = new_ffmpeg_plugin();
 356                 break;
 357         default:
 358                 client = 0;
 359                 break;
 360         }
 361         if( !client )
 362                 return PLUGINSERVER_NOT_RECOGNIZED;
 363
 364 // Run initialization functions
 365         realtime = client->is_realtime();
 366 // Don't load defaults when probing the directory.
 367         if(!master) {
 368                 if(realtime)
 369                         client->load_defaults_xml();
 370                 else
 371                         client->load_defaults();
 372         }
 373         audio = client->is_audio();
 374         video = client->is_video();
 375         theme = client->is_theme();
 376         fileio = client->is_fileio();
 377         uses_gui = client->uses_gui();
 378         multichannel = client->is_multichannel();
 379         synthesis = client->is_synthesis();
 380         transition = client->is_transition();
 381         set_title(client->plugin_title());
 382
 383 //printf("PluginServer::open_plugin 2\n");
 384         plugin_open = 1;
 385         return PLUGINSERVER_OK;
 386 }
 387
 388 int PluginServer::close_plugin()
 389 {
 390         if(!plugin_open) return 0;
 391
 392         if(client)
 393         {
 394 // Defaults are saved in the thread.
 395 //              if(client->defaults) client->save_defaults();
 396                 delete client;
 397         }
 398
 399 // shared object is persistent since plugin deletion would unlink its own object
 400         plugin_open = 0;
 401         cleanup_plugin();
 402         return 0;
 403 }
 404
 405 void PluginServer::client_side_close()
 406 {
 407 // Last command executed in client thread
 408         if(plugin)
 409                 mwindow->hide_plugin(plugin, 1);
 410         else
 411         if(prompt)
 412         {
 413                 prompt->lock_window();
 414                 prompt->set_done(1);
 415                 prompt->unlock_window();
 416         }
 417 }
 418
 419 void PluginServer::render_stop()
 420 {
 421         if(client)
 422                 client->render_stop();
 423 }
 424
 425 void PluginServer::write_table(FILE *fp, const char *path, int idx, int64_t mtime)
 426 {
 427         if(!fp) return;
 428         fprintf(fp, "%d \"%s\" \"%s\" %jd %d %d %d %d %d %d %d %d %d %d %d\n",
 429                 plugin_type, path, title, mtime, idx, audio, video, theme, realtime,
 430                 fileio, uses_gui, multichannel, synthesis, transition, lad_index);
 431 }
 432
 433 int PluginServer::scan_table(char *text, int &type, char *path, char *title, int64_t &mtime)
 434 {
 435         int n = sscanf(text, "%d \"%[^\"]\" \"%[^\"]\" %jd", &type, path, title, &mtime);
 436         return n < 4 ? 1 : 0;
 437 }
 438
 439 int PluginServer::read_table(char *text)
 440 {
 441         char path[BCTEXTLEN], title[BCTEXTLEN];
 442         int64_t mtime;
 443         int n = sscanf(text, "%d \"%[^\"]\" \"%[^\"]\" %jd %d %d %d %d %d %d %d %d %d %d %d",
 444                 &plugin_type, path, title, &mtime, &dir_idx, &audio, &video, &theme, &realtime,
 445                 &fileio, &uses_gui, &multichannel, &synthesis, &transition, &lad_index);
 446         if( n != 15 ) return 1;
 447         set_title(title);
 448         return 0;
 449 }
 450
 451 int PluginServer::init_realtime(int realtime_sched,
 452                 int total_in_buffers,
 453                 int buffer_size)
 454 {
 455
 456         if(!plugin_open) return 0;
 457
 458 // set for realtime priority
 459 // initialize plugin
 460 // Call start_realtime
 461         this->total_in_buffers = this->total_out_buffers = total_in_buffers;
 462         client->plugin_init_realtime(realtime_sched,
 463                 total_in_buffers,
 464                 buffer_size);
 465
 466         return 0;
 467 }
 468
 469
 470 // Replaced by pull method but still needed for transitions
 471 void PluginServer::process_transition(VFrame *input,
 472                 VFrame *output,
 473                 int64_t current_position,
 474                 int64_t total_len)
 475 {
 476         if(!plugin_open) return;
 477         PluginVClient *vclient = (PluginVClient*)client;
 478
 479         vclient->source_position = current_position;
 480         vclient->source_start = 0;
 481         vclient->total_len = total_len;
 482
 483         vclient->input = new VFrame*[1];
 484         vclient->output = new VFrame*[1];
 485
 486         vclient->input[0] = input;
 487         vclient->output[0] = output;
 488
 489         vclient->process_realtime(input, output);
 490         vclient->age_temp();
 491         delete [] vclient->input;
 492         delete [] vclient->output;
 493         use_opengl = 0;
 494 }
 495
 496 void PluginServer::process_transition(Samples *input,
 497                 Samples *output,
 498                 int64_t current_position,
 499                 int64_t fragment_size,
 500                 int64_t total_len)
 501 {
 502         if(!plugin_open) return;
 503         PluginAClient *aclient = (PluginAClient*)client;
 504
 505         aclient->source_position = current_position;
 506         aclient->total_len = total_len;
 507         aclient->source_start = 0;
 508         aclient->process_realtime(fragment_size,
 509                 input,
 510                 output);
 511 }
 512
 513
 514 void PluginServer::process_buffer(VFrame **frame,
 515         int64_t current_position,
 516         double frame_rate,
 517         int64_t total_len,
 518         int direction)
 519 {
 520         if(!plugin_open) return;
 521         PluginVClient *vclient = (PluginVClient*)client;
 522
 523         vclient->source_position = current_position;
 524         vclient->total_len = total_len;
 525         vclient->frame_rate = frame_rate;
 526         vclient->input = new VFrame*[total_in_buffers];
 527         vclient->output = new VFrame*[total_in_buffers];
 528         for(int i = 0; i < total_in_buffers; i++)
 529         {
 530                 vclient->input[i] = frame[i];
 531                 vclient->output[i] = frame[i];
 532         }
 533
 534         if(plugin)
 535         {
 536                 vclient->source_start = (int64_t)plugin->startproject *
 537                         frame_rate /
 538                         vclient->project_frame_rate;
 539         }
 540         vclient->direction = direction;
 541
 542
 543 //PRINT_TRACE
 544 //printf("plugin=%p source_start=%ld\n", plugin, vclient->source_start);
 545
 546         vclient->begin_process_buffer();
 547         if(multichannel)
 548         {
 549                 vclient->process_buffer(frame, current_position, frame_rate);
 550         }
 551         else
 552         {
 553                 vclient->process_buffer(frame[0], current_position, frame_rate);
 554         }
 555         vclient->end_process_buffer();
 556
 557         for(int i = 0; i < total_in_buffers; i++)
 558                 frame[i]->push_prev_effect(title);
 559
 560         delete [] vclient->input;
 561         delete [] vclient->output;
 562
 563     vclient->age_temp();
 564         use_opengl = 0;
 565 }
 566
 567 void PluginServer::process_buffer(Samples **buffer,
 568         int64_t current_position,
 569         int64_t fragment_size,
 570         int64_t sample_rate,
 571         int64_t total_len,
 572         int direction)
 573 {
 574         if(!plugin_open) return;
 575         PluginAClient *aclient = (PluginAClient*)client;
 576
 577         aclient->source_position = current_position;
 578         aclient->total_len = total_len;
 579         aclient->sample_rate = sample_rate;
 580
 581         if(plugin)
 582                 aclient->source_start = plugin->startproject *
 583                         sample_rate /
 584                         aclient->project_sample_rate;
 585
 586         aclient->direction = direction;
 587         aclient->begin_process_buffer();
 588         if(multichannel)
 589         {
 590                 aclient->process_buffer(fragment_size,
 591                         buffer,
 592                         current_position,
 593                         sample_rate);
 594         }
 595         else
 596         {
 597                 aclient->process_buffer(fragment_size,
 598                         buffer[0],
 599                         current_position,
 600                         sample_rate);
 601         }
 602         aclient->end_process_buffer();
 603 }
 604
 605
 606 void PluginServer::send_render_gui(void *data)
 607 {
 608 //printf("PluginServer::send_render_gui 1 %p\n", attachmentpoint);
 609         if(attachmentpoint) attachmentpoint->render_gui(data, this);
 610 }
 611
 612 void PluginServer::send_render_gui(void *data, int size)
 613 {
 614 //printf("PluginServer::send_render_gui 1 %p\n", attachmentpoint);
 615         if(attachmentpoint) attachmentpoint->render_gui(data, size, this);
 616 }
 617
 618 void PluginServer::render_gui(void *data)
 619 {
 620         if(client) client->plugin_render_gui(data);
 621 }
 622
 623 void PluginServer::render_gui(void *data, int size)
 624 {
 625         if(client) client->plugin_render_gui(data, size);
 626 }
 627
 628 MainProgressBar* PluginServer::start_progress(char *string, int64_t length)
 629 {
 630         mwindow->gui->lock_window();
 631         MainProgressBar *result = mwindow->mainprogress->start_progress(string, length);
 632         mwindow->gui->unlock_window();
 633         return result;
 634 }
 635
 636 int64_t PluginServer::get_written_samples()
 637 {
 638         if(!plugin_open) return 0;
 639         return written_samples;
 640 }
 641
 642 int64_t PluginServer::get_written_frames()
 643 {
 644         if(!plugin_open) return 0;
 645         return written_frames;
 646 }
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657 // ======================= Non-realtime plugin
 658
 659 int PluginServer::get_parameters(int64_t start, int64_t end, int channels)
 660 {
 661         if(!plugin_open) return 0;
 662
 663         client->start = start;
 664         client->end = end;
 665         client->source_start = start;
 666         client->total_len = end - start;
 667         client->total_in_buffers = channels;
 668
 669 //PRINT_TRACE
 670 //printf(" source_start=%ld total_len=%ld\n", client->source_start, client->total_len);
 671
 672         return client->plugin_get_parameters();
 673 }
 674
 675 int PluginServer::set_interactive()
 676 {
 677         if(!plugin_open) return 0;
 678         client->set_interactive();
 679         return 0;
 680 }
 681
 682 void PluginServer::append_module(Module *module)
 683 {
 684         modules->append(module);
 685 }
 686
 687 void PluginServer::append_node(VirtualNode *node)
 688 {
 689         nodes->append(node);
 690 }
 691
 692 void PluginServer::reset_nodes()
 693 {
 694         nodes->remove_all();
 695 }
 696
 697 int PluginServer::set_error()
 698 {
 699         error_flag = 1;
 700         return 0;
 701 }
 702
 703 int PluginServer::set_realtime_sched()
 704 {
 705         //struct sched_param params;
 706         //params.sched_priority = 1;
 707         //sched_setscheduler(0, SCHED_RR, &param);
 708         return 0;
 709 }
 710
 711
 712 int PluginServer::process_loop(VFrame **buffers, int64_t &write_length)
 713 {
 714         if(!plugin_open) return 1;
 715         return client->plugin_process_loop(buffers, write_length);
 716 }
 717
 718 int PluginServer::process_loop(Samples **buffers, int64_t &write_length)
 719 {
 720         if(!plugin_open) return 1;
 721         return client->plugin_process_loop(buffers, write_length);
 722 }
 723
 724
 725 int PluginServer::start_loop(int64_t start,
 726         int64_t end,
 727         int64_t buffer_size,
 728         int total_buffers)
 729 {
 730         if(!plugin_open) return 0;
 731         client->plugin_start_loop(start, end, buffer_size, total_buffers);
 732         return 0;
 733 }
 734
 735 int PluginServer::stop_loop()
 736 {
 737         if(!plugin_open) return 0;
 738         return client->plugin_stop_loop();
 739 }
 740
 741 int PluginServer::read_frame(VFrame *buffer,
 742         int channel,
 743         int64_t start_position)
 744 {
 745         ((VModule*)modules->values[channel])->render(buffer,
 746                 start_position,
 747                 PLAY_FORWARD,
 748                 mwindow->edl->session->frame_rate,
 749                 0,
 750                 0);
 751         return 0;
 752 }
 753
 754 int PluginServer::read_samples(Samples *buffer,
 755         int channel,
 756         int64_t sample_rate,
 757         int64_t start_position,
 758         int64_t len)
 759 {
 760 // len is now in buffer
 761         if(!multichannel) channel = 0;
 762
 763         if(nodes->total > channel)
 764                 return ((VirtualANode*)nodes->values[channel])->read_data(buffer,
 765                         len,
 766                         start_position,
 767                         sample_rate);
 768         else
 769         if(modules->total > channel)
 770                 return ((AModule*)modules->values[channel])->render(buffer,
 771                         len,
 772                         start_position,
 773                         PLAY_FORWARD,
 774                         sample_rate,
 775                         0);
 776         else
 777         {
 778                 printf("PluginServer::read_samples no object available for channel=%d\n",
 779                         channel);
 780         }
 781
 782         return -1;
 783 }
 784
 785
 786 int PluginServer::read_samples(Samples *buffer,
 787         int channel,
 788         int64_t start_position,
 789         int64_t size)
 790 {
 791 // total_samples is now set in buffer
 792         ((AModule*)modules->values[channel])->render(buffer,
 793                 size,
 794                 start_position,
 795                 PLAY_FORWARD,
 796                 mwindow->edl->session->sample_rate,
 797                 0);
 798         return 0;
 799 }
 800
 801 int PluginServer::read_frame(VFrame *buffer,
 802         int channel,
 803         int64_t start_position,
 804         double frame_rate,
 805         int use_opengl)
 806 {
 807 // Data source depends on whether we're part of a virtual console or a
 808 // plugin array.
 809 //     VirtualNode
 810 //     Module
 811 // If we're a VirtualNode, read_data in the virtual plugin node handles
 812 //     backward propogation and produces the data.
 813 // If we're a Module, render in the module produces the data.
 814 //PRINT_TRACE
 815
 816         int result = -1;
 817         if(!multichannel) channel = 0;
 818
 819 // Push our name on the next effect stack
 820         buffer->push_next_effect(title);
 821 //printf("PluginServer::read_frame %p\n", buffer);
 822 //buffer->dump_stacks();
 823
 824         if(nodes->total > channel)
 825         {
 826 //printf("PluginServer::read_frame %d\n", __LINE__);
 827                 result = ((VirtualVNode*)nodes->values[channel])->read_data(buffer,
 828                         start_position,
 829                         frame_rate,
 830                         use_opengl);
 831         }
 832         else
 833         if(modules->total > channel)
 834         {
 835 //printf("PluginServer::read_frame %d\n", __LINE__);
 836                 result = ((VModule*)modules->values[channel])->render(buffer,
 837                         start_position,
 838 //                      PLAY_FORWARD,
 839                         client->direction,
 840                         frame_rate,
 841                         0,
 842                         0,
 843                         use_opengl);
 844         }
 845         else
 846         {
 847                 printf("PluginServer::read_frame no object available for channel=%d\n",
 848                         channel);
 849         }
 850
 851 // Pop our name from the next effect stack
 852         buffer->pop_next_effect();
 853
 854         return result;
 855 }
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876 // Called by client
 877 int PluginServer::get_gui_status()
 878 {
 879         if(plugin)
 880                 return plugin->show ? GUI_ON : GUI_OFF;
 881         else
 882                 return GUI_OFF;
 883 }
 884
 885 void PluginServer::raise_window()
 886 {
 887         if(!plugin_open) return;
 888         client->raise_window();
 889 }
 890
 891 void PluginServer::show_gui()
 892 {
 893         if(!plugin_open) return;
 894         if(plugin) client->total_len = plugin->length;
 895         if(plugin) client->source_start = plugin->startproject;
 896         if(video)
 897         {
 898                 client->source_position = Units::to_int64(
 899                         mwindow->edl->local_session->get_selectionstart(1) *
 900                                 mwindow->edl->session->frame_rate);
 901         }
 902         else
 903         if(audio)
 904         {
 905                 client->source_position = Units::to_int64(
 906                         mwindow->edl->local_session->get_selectionstart(1) *
 907                                 mwindow->edl->session->sample_rate);
 908         }
 909
 910         client->update_display_title();
 911         client->show_gui();
 912 }
 913
 914 void PluginServer::hide_gui()
 915 {
 916         if(!plugin_open) return;
 917         if(client->defaults) client->save_defaults();
 918         client->hide_gui();
 919 }
 920
 921 void PluginServer::update_gui()
 922 {
 923         if(!plugin_open || !plugin) return;
 924
 925         client->total_len = plugin->length;
 926         client->source_start = plugin->startproject;
 927
 928         if(video)
 929         {
 930                 client->source_position = Units::to_int64(
 931                         mwindow->edl->local_session->get_selectionstart(1) *
 932                                 mwindow->edl->session->frame_rate);
 933         }
 934         else
 935         if(audio)
 936         {
 937                 client->source_position = Units::to_int64(
 938                         mwindow->edl->local_session->get_selectionstart(1) *
 939                                 mwindow->edl->session->sample_rate);
 940         }
 941
 942         client->plugin_update_gui();
 943 }
 944
 945 void PluginServer::update_title()
 946 {
 947         if(!plugin_open) return;
 948
 949         client->update_display_title();
 950 }
 951
 952
 953 int PluginServer::set_string(char *string)
 954 {
 955         if(!plugin_open) return 0;
 956
 957         client->set_string_client(string);
 958         return 0;
 959 }
 960
 961 int PluginServer::gui_open()
 962 {
 963         if(attachmentpoint) return attachmentpoint->gui_open();
 964         return 0;
 965 }
 966
 967 void PluginServer::set_use_opengl(int value, VideoDevice *vdevice)
 968 {
 969         this->use_opengl = value;
 970         this->vdevice = vdevice;
 971 }
 972
 973 int PluginServer::get_use_opengl()
 974 {
 975         return use_opengl;
 976 }
 977
 978
 979 void PluginServer::run_opengl(PluginClient *plugin_client)
 980 {
 981         if(vdevice)
 982                 ((VDeviceX11*)vdevice->get_output_base())->run_plugin(plugin_client);
 983 }
 984
 985 // ============================= queries
 986
 987 void PluginServer::get_defaults_path(char *path)
 988 {
 989 // Get plugin name from path
 990         char *ptr1 = strrchr(get_path(), '/');
 991         char *ptr2 = strrchr(get_path(), '.');
 992         if(!ptr1) ptr1 = get_path();
 993         if(!ptr2) ptr2 = get_path() + strlen(get_path());
 994         char string2[BCTEXTLEN], *ptr3 = string2;
 995         while( ptr1 < ptr2 ) *ptr3++ = *ptr1++;
 996         *ptr3 = 0;
 997         sprintf(path, "%s/%s.xml", File::get_config_path(), string2);
 998 }
 999
1000 void PluginServer::save_defaults()
1001 {
1002         if(client) client->save_defaults();
1003 }
1004
1005 int PluginServer::get_samplerate()
1006 {
1007         if(!plugin_open) return 0;
1008         if(audio)
1009         {
1010                 return client->get_samplerate();
1011         }
1012         else
1013         if(mwindow)
1014                 return mwindow->edl->session->sample_rate;
1015         else
1016         {
1017                 printf("PluginServer::get_samplerate audio and mwindow == NULL\n");
1018                 return 1;
1019         }
1020 }
1021
1022
1023 double PluginServer::get_framerate()
1024 {
1025         if(!plugin_open) return 0;
1026         if(video)
1027         {
1028                 return client->get_framerate();
1029         }
1030         else
1031         if(mwindow)
1032                 return mwindow->edl->session->frame_rate;
1033         else
1034         {
1035                 printf("PluginServer::get_framerate video and mwindow == NULL\n");
1036                 return 1;
1037         }
1038 }
1039
1040 int PluginServer::get_project_samplerate()
1041 {
1042         if(mwindow)
1043                 return mwindow->edl->session->sample_rate;
1044         else
1045         if(edl)
1046                 return edl->session->sample_rate;
1047         else
1048         {
1049                 printf("PluginServer::get_project_samplerate mwindow and edl are NULL.\n");
1050                 return 1;
1051         }
1052 }
1053
1054 double PluginServer::get_project_framerate()
1055 {
1056         if(mwindow)
1057                 return mwindow->edl->session->frame_rate;
1058         else
1059         if(edl)
1060                 return edl->session->frame_rate;
1061         else
1062         {
1063                 printf("PluginServer::get_project_framerate mwindow and edl are NULL.\n");
1064                 return 1;
1065         }
1066 }
1067
1068
1069
1070 int PluginServer::detach_buffers()
1071 {
1072         ring_buffers_out.remove_all();
1073         offset_out_render.remove_all();
1074         double_buffer_out_render.remove_all();
1075         realtime_out_size.remove_all();
1076
1077         ring_buffers_in.remove_all();
1078         offset_in_render.remove_all();
1079         double_buffer_in_render.remove_all();
1080         realtime_in_size.remove_all();
1081
1082         out_buffer_size = 0;
1083         shared_buffers = 0;
1084         total_out_buffers = 0;
1085         in_buffer_size = 0;
1086         total_in_buffers = 0;
1087         return 0;
1088 }
1089
1090 int PluginServer::arm_buffer(int buffer_number,
1091                 int64_t offset_in,
1092                 int64_t offset_out,
1093                 int double_buffer_in,
1094                 int double_buffer_out)
1095 {
1096         offset_in_render.values[buffer_number] = offset_in;
1097         offset_out_render.values[buffer_number] = offset_out;
1098         double_buffer_in_render.values[buffer_number] = double_buffer_in;
1099         double_buffer_out_render.values[buffer_number] = double_buffer_out;
1100         return 0;
1101 }
1102
1103
1104 int PluginServer::set_automation(FloatAutos *autos, FloatAuto **start_auto, FloatAuto **end_auto, int reverse)
1105 {
1106         this->autos = autos;
1107         this->start_auto = start_auto;
1108         this->end_auto = end_auto;
1109         this->reverse = reverse;
1110         return 0;
1111 }
1112
1113
1114
1115 void PluginServer::save_data(KeyFrame *keyframe)
1116 {
1117         if(!plugin_open) return;
1118         client->save_data(keyframe);
1119 }
1120
1121 KeyFrame* PluginServer::get_prev_keyframe(int64_t position)
1122 {
1123         KeyFrame *result = 0;
1124         if(plugin)
1125                 result = plugin->get_prev_keyframe(position, client->direction);
1126         else
1127                 result = keyframe;
1128         return result;
1129 }
1130
1131 KeyFrame* PluginServer::get_next_keyframe(int64_t position)
1132 {
1133         KeyFrame *result = 0;
1134         if(plugin)
1135                 result = plugin->get_next_keyframe(position, client->direction);
1136         else
1137                 result = keyframe;
1138         return result;
1139 }
1140
1141 // Called for
1142 KeyFrame* PluginServer::get_keyframe()
1143 {
1144         if(plugin)
1145 // Realtime plugin case
1146                 return plugin->get_keyframe();
1147         else
1148 // Rendered plugin case
1149                 return keyframe;
1150 }
1151
1152
1153 void PluginServer::apply_keyframe(KeyFrame *src)
1154 {
1155         if(!plugin)
1156         {
1157                 keyframe->copy_data(src);
1158         }
1159         else
1160         {
1161 // Span keyframes
1162                 plugin->keyframes->update_parameter(src);
1163         }
1164 }
1165
1166
1167
1168
1169
1170 void PluginServer::get_camera(float *x, float *y, float *z,
1171         int64_t position, int direction)
1172 {
1173         plugin->track->automation->get_camera(x, y, z, position, direction);
1174 }
1175
1176 void PluginServer::get_projector(float *x, float *y, float *z,
1177         int64_t position, int direction)
1178 {
1179         plugin->track->automation->get_projector(x, y, z, position, direction);
1180 }
1181
1182
1183 int PluginServer::get_interpolation_type()
1184 {
1185         return plugin->edl->session->interpolation_type;
1186 }
1187
1188 Theme* PluginServer::new_theme()
1189 {
1190         if(theme)
1191         {
1192                 return client->new_theme();
1193         }
1194         else
1195                 return 0;
1196 }
1197
1198 Theme* PluginServer::get_theme()
1199 {
1200         if(mwindow) return mwindow->theme;
1201         printf("PluginServer::get_theme mwindow not set\n");
1202         return 0;
1203 }
1204
1205
1206 int PluginServer::get_theme_png_path(char *png_path, const char *theme_dir)
1207 {
1208         char *bp = strrchr(path, '/');
1209         if( !bp ) bp = path; else ++bp;
1210         char *sp = strrchr(bp,'.');
1211         if( !sp ) sp = bp + strlen(bp);
1212         char *cp = png_path, *dp = bp;
1213         cp += sprintf(cp,"%s/%s/", mwindow->preferences->plugin_dir, theme_dir);
1214         while( dp < sp ) *cp++ = *dp++;
1215         strcpy(cp, ".png");
1216         struct stat st;
1217         if( stat(png_path, &st) ) return 0;
1218         if( !S_ISREG(st.st_mode) ) return 0;
1219         if( st.st_size == 0 ) return 0;
1220         return st.st_size;
1221 }
1222
1223 int PluginServer::get_theme_png_path(char *png_path, Theme *theme)
1224 {
1225         char *bp = strrchr(theme->path, '/');
1226         if( !bp ) bp = theme->path; else ++bp;
1227         char *sp = strrchr(bp,'.');
1228         if( !sp || ( strcmp(sp, ".plugin") && strcmp(sp,".so") ) ) return 0;
1229         char theme_dir[BCTEXTLEN], *cp = theme_dir;
1230         while( bp < sp ) *cp++ = *bp++;
1231         *cp = 0;
1232         return get_theme_png_path(png_path, theme_dir);
1233 }
1234
1235 int PluginServer::get_plugin_png_path(char *png_path)
1236 {
1237         int len = get_theme_png_path(png_path, mwindow->theme);
1238         if( !len )
1239                 len = get_theme_png_path(png_path, "picon");
1240         return len;
1241 }
1242
1243 VFrame *PluginServer::get_plugin_images()
1244 {
1245         char png_path[BCTEXTLEN];
1246         int len = get_plugin_png_path(png_path);
1247         if( !len ) return 0;
1248         int ret = 0, w = 0, h = 0;
1249         unsigned char *bfr = 0;
1250         int fd = ::open(png_path, O_RDONLY);
1251         if( fd < 0 ) ret = 1;
1252         if( !ret ) {
1253                 bfr = (unsigned char *) ::mmap (NULL, len, PROT_READ, MAP_SHARED, fd, 0);
1254                 if( bfr == MAP_FAILED ) ret = 1;
1255         }
1256         VFrame *vframe = 0;
1257         if( !ret ) {
1258                 double scale = BC_WindowBase::get_resources()->icon_scale;
1259                 vframe = new VFramePng(bfr, len, scale, scale);
1260                 if( (w=vframe->get_w()) <= 0 || (h=vframe->get_h()) <= 0 ||
1261                     vframe->get_data() == 0 ) ret = 1;
1262         }
1263         if( bfr && bfr != MAP_FAILED ) ::munmap(bfr, len);
1264         if( fd >= 0 ) ::close(fd);
1265         if( ret ) { delete vframe;  vframe = 0; }
1266         return vframe;
1267 }
1268
1269 VFrame *PluginServer::get_picon()
1270 {
1271         if( !picon )
1272                 picon = get_plugin_images();
1273         return picon;
1274 }
1275
1276 // Called when plugin interface is tweeked
1277 void PluginServer::sync_parameters()
1278 {
1279         if(video) mwindow->restart_brender();
1280         mwindow->sync_parameters();
1281         mwindow->update_keyframe_guis();
1282         if(mwindow->edl->session->auto_conf->plugins)
1283         {
1284                 mwindow->gui->lock_window("PluginServer::sync_parameters");
1285                 mwindow->gui->draw_overlays(1);
1286                 mwindow->gui->unlock_window();
1287         }
1288 }
1289
1290
1291
1292 void PluginServer::dump(FILE *fp)
1293 {
1294         fprintf(fp,"    PluginServer %d %p %s %s %d\n",
1295                 __LINE__, this, path, title, realtime);
1296 }