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 "tracks.h"
  57 #include "transportque.h"
  58 #include "vdevicex11.h"
  59 #include "vframe.h"
  60 #include "videodevice.h"
  61 #include "virtualanode.h"
  62 #include "virtualvnode.h"
  63 #include "vmodule.h"
  64 #include "vtrack.h"
  65
  66
  67 #include<stdio.h>
  68 #include<unistd.h>
  69 #include<fcntl.h>
  70 #include <sys/types.h>
  71 #include <sys/wait.h>
  72 #include<sys/stat.h>
  73 #include <sys/mman.h>
  74
  75
  76 void PluginServer::init()
  77 {
  78         reset_parameters();
  79         this->plugin_type = PLUGIN_TYPE_UNKNOWN;
  80         plugin_obj = new PluginObj();
  81         modules = new ArrayList<Module*>;
  82         nodes = new ArrayList<VirtualNode*>;
  83         tip = 0;
  84         gui_id = -1;
  85         plugin_id = -1;
  86 }
  87
  88 PluginServer::PluginServer()
  89 {
  90         init();
  91 }
  92
  93 PluginServer::PluginServer(MWindow *mwindow, const char *path, int type)
  94 {
  95         char fpath[BCTEXTLEN];
  96         init();
  97         this->plugin_type = type;
  98         this->mwindow = mwindow;
  99         if( type == PLUGIN_TYPE_FFMPEG ) {
 100                 ff_name = cstrdup(path);
 101                 sprintf(fpath, "ff_%s", path);
 102                 path = fpath;
 103         }
 104         set_path(path);
 105 }
 106
 107 PluginServer::PluginServer(PluginServer &that)
 108 {
 109         reset_parameters();
 110         plugin_type = that.plugin_type;
 111         plugin_obj = that.plugin_obj;
 112         plugin_obj->add_user();
 113         title = !that.title ? 0 : cstrdup(that.title);
 114         tip = !that.tip ? 0 : cstrdup(that.tip);
 115         path = !that.path ? 0 : cstrdup(that.path);
 116         ff_name = !that.ff_name ? 0 : cstrdup(that.ff_name);
 117         modules = new ArrayList<Module*>;
 118         nodes = new ArrayList<VirtualNode*>;
 119
 120         attachment = that.attachment;
 121         realtime = that.realtime;
 122         multichannel = that.multichannel;
 123         preferences = that.preferences;
 124         synthesis = that.synthesis;
 125         audio = that.audio;
 126         video = that.video;
 127         theme = that.theme;
 128         fileio = that.fileio;
 129         uses_gui = that.uses_gui;
 130         mwindow = that.mwindow;
 131         keyframe = that.keyframe;
 132         new_plugin = that.new_plugin;
 133
 134         lad_descriptor = that.lad_descriptor;
 135         lad_descriptor_function = that.lad_descriptor_function;
 136         lad_index = that.lad_index;
 137 }
 138
 139 PluginServer::~PluginServer()
 140 {
 141         close_plugin();
 142         delete [] path;
 143         delete [] ff_name;
 144         delete [] title;
 145         delete [] tip;
 146         delete modules;
 147         delete nodes;
 148         delete picon;
 149         plugin_obj->remove_user();
 150 }
 151
 152 // Done only once at creation
 153 int PluginServer::reset_parameters()
 154 {
 155         mwindow = 0;
 156         keyframe = 0;
 157         prompt = 0;
 158         cleanup_plugin();
 159
 160         plugin_obj = 0;
 161         client = 0;
 162         new_plugin = 0;
 163         lad_index = -1;
 164         lad_descriptor_function = 0;
 165         lad_descriptor = 0;
 166         ff_name = 0;
 167         use_opengl = 0;
 168         vdevice = 0;
 169         plugin_type = 0;
 170         start_auto = end_auto = 0;
 171         autos = 0;
 172         reverse = 0;
 173         plugin_open = 0;
 174         realtime = multichannel = fileio = 0;
 175         synthesis = 0;
 176         audio = video = theme = 0;
 177         uses_gui = 0;
 178         transition = 0;
 179         title = 0;
 180         tip = 0;
 181         path = 0;
 182         data_text = 0;
 183         for( int i=sizeof(args)/sizeof(args[0]); --i>=0; ) args[i] = 0;
 184         total_args = 0;
 185         dir_idx = 0;
 186         modules = 0;
 187         nodes = 0;
 188         attachmentpoint = 0;
 189         edl = 0;
 190         preferences = 0;
 191         prompt = 0;
 192         temp_frame = 0;
 193         picon = 0;
 194
 195         return 0;
 196 }
 197
 198 // Done every time the plugin is opened or closed
 199 int PluginServer::cleanup_plugin()
 200 {
 201         in_buffer_size = out_buffer_size = 0;
 202         total_in_buffers = total_out_buffers = 0;
 203         error_flag = 0;
 204         written_samples = 0;
 205         shared_buffers = 0;
 206         new_buffers = 0;
 207         written_samples = written_frames = 0;
 208         gui_on = 0;
 209         plugin_id = -1;
 210         plugin_open = 0;
 211         return 0;
 212 }
 213
 214 void PluginServer::set_mwindow(MWindow *mwindow)
 215 {
 216         this->mwindow = mwindow;
 217 }
 218
 219 void PluginServer::set_attachmentpoint(AttachmentPoint *attachmentpoint)
 220 {
 221         this->attachmentpoint = attachmentpoint;
 222 }
 223
 224 void PluginServer::set_keyframe(KeyFrame *keyframe)
 225 {
 226         this->keyframe = keyframe;
 227 }
 228
 229 void PluginServer::set_prompt(MenuEffectPrompt *prompt)
 230 {
 231         this->prompt = prompt;
 232 }
 233
 234 void PluginServer::set_lad_index(int i)
 235 {
 236         this->lad_index = i;
 237 }
 238
 239 int PluginServer::get_lad_index()
 240 {
 241         return this->lad_index;
 242 }
 243
 244 int PluginServer::is_unknown()
 245 {
 246         return plugin_type == PLUGIN_TYPE_UNKNOWN ? 1 : 0;
 247 }
 248
 249 int PluginServer::is_executable()
 250 {
 251         return  plugin_type == PLUGIN_TYPE_EXECUTABLE ? 1 : 0;
 252 }
 253
 254 int PluginServer::is_builtin()
 255 {
 256         return plugin_type == PLUGIN_TYPE_BUILTIN ? 1 : 0;
 257 }
 258
 259 int PluginServer::is_ladspa()
 260 {
 261         return plugin_type == PLUGIN_TYPE_LADSPA ? 1 : 0;
 262 }
 263
 264 int PluginServer::is_ffmpeg()
 265 {
 266         return plugin_type == PLUGIN_TYPE_FFMPEG ? 1 : 0;
 267 }
 268
 269 int PluginServer::is_lv2()
 270 {
 271         return plugin_type == PLUGIN_TYPE_LV2 ? 1 : 0;
 272 }
 273
 274 void PluginServer::set_path(const char *path)
 275 {
 276         delete [] this->path;
 277         this->path = cstrdup(path);
 278 }
 279
 280 char* PluginServer::get_path()
 281 {
 282         return this->path;
 283 }
 284
 285 int PluginServer::get_synthesis()
 286 {
 287         return synthesis;
 288 }
 289
 290
 291 void PluginServer::set_title(const char *string)
 292 {
 293         delete [] title;
 294         title = cstrdup(string);
 295 }
 296
 297 void PluginServer::generate_display_title(char *string)
 298 {
 299         char ltitle[BCTEXTLEN];
 300         if( BC_Resources::locale_utf8 )
 301                 strcpy(ltitle, _(title));
 302         else
 303                 BC_Resources::encode(BC_Resources::encoding, 0,
 304                                 _(title),strlen(title)+1, ltitle,BCTEXTLEN);
 305         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 306         if( plugin && plugin->track )
 307                 sprintf(string, "%s: %s", plugin->track->title, ltitle);
 308         else
 309                 strcpy(string, ltitle);
 310 }
 311
 312 void *PluginObj::load(const char *plugin_dir, const char *path)
 313 {
 314         char dlpath[BCTEXTLEN], *dp = dlpath;
 315         const char *cp = path;
 316         if( *cp != '/' ) {
 317                 const char *bp = plugin_dir;
 318                 while( *bp ) *dp++ = *bp++;
 319                 *dp++ = '/';
 320         }
 321         while( *cp ) *dp++ = *cp++;
 322         *dp = 0;
 323         return dlobj = load(dlpath);
 324 }
 325
 326 int PluginServer::load_obj()
 327 {
 328         void *obj = plugin_obj->obj();
 329         if( !obj ) obj =plugin_obj->load(preferences->plugin_dir, path);
 330         return obj ? 1 : 0;
 331 }
 332
 333 const char *PluginServer::load_error()
 334 {
 335         return plugin_obj->load_error();
 336 }
 337
 338 void *PluginServer::get_sym(const char *sym)
 339 {
 340         if( !plugin_obj->obj() ) return 0;
 341         return plugin_obj->load_sym(sym);
 342 }
 343
 344 // Open plugin for signal processing
 345 int PluginServer::open_plugin(int master,
 346         Preferences *preferences,
 347         EDL *edl,
 348         Plugin *plugin)
 349 {
 350         if( plugin_open ) return 0;
 351
 352         this->preferences = preferences;
 353         this->plugin_id = plugin ? plugin->orig_id : -1;
 354         this->edl = edl;
 355         if( !is_ffmpeg() && !is_lv2() && !is_executable() && !load_obj() ) {
 356 // If the load failed, can't use error string to detect executable
 357 //  because locale and language selection changes the load_error() message
 358 //      if( !strstr(string, "executable") ) { set_title(path); plugin_type = PLUGIN_TYPE_EXECUTABLE; }
 359                 eprintf("PluginServer::open_plugin: load_obj %s = %s\n", path, load_error());
 360                 return PLUGINSERVER_NOT_RECOGNIZED;
 361         }
 362         if( is_unknown() || is_builtin() ) {
 363                 new_plugin =
 364                         (PluginClient* (*)(PluginServer*)) get_sym("new_plugin");
 365                 if( new_plugin )
 366                         plugin_type = PLUGIN_TYPE_BUILTIN;
 367         }
 368         if( is_unknown() || is_ladspa() ) {
 369                 lad_descriptor_function =
 370                         (LADSPA_Descriptor_Function) get_sym("ladspa_descriptor");
 371                 if( lad_descriptor_function ) {
 372                         if( lad_index < 0 ) return PLUGINSERVER_IS_LAD;
 373                         lad_descriptor = lad_descriptor_function(lad_index);
 374                         if( !lad_descriptor )
 375                                 return PLUGINSERVER_NOT_RECOGNIZED;
 376                         plugin_type = PLUGIN_TYPE_LADSPA;
 377                 }
 378         }
 379         if( is_unknown() ) {
 380                 fprintf(stderr, "PluginServer::open_plugin "
 381                         " %d: plugin undefined in %s\n", __LINE__, path);
 382                 return PLUGINSERVER_NOT_RECOGNIZED;
 383         }
 384         switch( plugin_type ) {
 385         case PLUGIN_TYPE_EXECUTABLE:
 386                 return PLUGINSERVER_OK;
 387         case PLUGIN_TYPE_BUILTIN:
 388                 client = new_plugin(this);
 389                 break;
 390         case PLUGIN_TYPE_FFMPEG:
 391                 client = new_ffmpeg_plugin();
 392                 break;
 393         case PLUGIN_TYPE_LADSPA:
 394                 client = new PluginAClientLAD(this);
 395                 break;
 396         case PLUGIN_TYPE_LV2:
 397                 client = new_lv2_plugin();
 398                 break;
 399         default:
 400                 client = 0;
 401                 break;
 402         }
 403         if( !client )
 404                 return PLUGINSERVER_NOT_RECOGNIZED;
 405
 406 // Run initialization functions
 407         realtime = client->is_realtime();
 408 // Don't load defaults when probing the directory.
 409         if( !master ) {
 410                 if( realtime )
 411                         client->load_defaults_xml();
 412                 else
 413                         client->load_defaults();
 414         }
 415         audio = client->is_audio();
 416         video = client->is_video();
 417         theme = client->is_theme();
 418         fileio = client->is_fileio();
 419         uses_gui = client->uses_gui();
 420         multichannel = client->is_multichannel();
 421         synthesis = client->is_synthesis();
 422         transition = client->is_transition();
 423         set_title(client->plugin_title());
 424
 425 //printf("PluginServer::open_plugin 2\n");
 426         plugin_open = 1;
 427         return PLUGINSERVER_OK;
 428 }
 429
 430 int PluginServer::close_plugin()
 431 {
 432         if( !plugin_open ) return 0;
 433         delete client;
 434         plugin_open = 0;
 435         cleanup_plugin();
 436         return 0;
 437 }
 438
 439 void PluginServer::client_side_close()
 440 {
 441 // Last command executed in client thread
 442         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 443         if( plugin )
 444                 mwindow->hide_plugin(plugin, 1);
 445         else if( prompt ) {
 446                 prompt->lock_window();
 447                 prompt->set_done(1);
 448                 prompt->unlock_window();
 449         }
 450 }
 451
 452 void PluginServer::render_stop()
 453 {
 454         if( client )
 455                 client->render_stop();
 456         send_reset_gui_frames();
 457 }
 458
 459 void PluginServer::write_table(FILE *fp, const char *path, int idx, int64_t mtime)
 460 {
 461         if( !fp ) return;
 462         fprintf(fp, "%d \"%s\" \"%s\" %jd %d %d %d %d %d %d %d %d %d %d %d\n",
 463                 plugin_type, path, title, mtime, idx, audio, video, theme, realtime,
 464                 fileio, uses_gui, multichannel, synthesis, transition, lad_index);
 465 }
 466
 467 int PluginServer::scan_table(char *text, int &type, char *path, char *title, int64_t &mtime)
 468 {
 469         int n = sscanf(text, "%d \"%[^\"]\" \"%[^\"]\" %jd", &type, path, title, &mtime);
 470         return n < 4 ? 1 : 0;
 471 }
 472
 473 int PluginServer::read_table(char *text)
 474 {
 475         char path[BCTEXTLEN], title[BCTEXTLEN];
 476         int64_t mtime;
 477         int n = sscanf(text, "%d \"%[^\"]\" \"%[^\"]\" %jd %d %d %d %d %d %d %d %d %d %d %d",
 478                 &plugin_type, path, title, &mtime, &dir_idx, &audio, &video, &theme, &realtime,
 479                 &fileio, &uses_gui, &multichannel, &synthesis, &transition, &lad_index);
 480         if( n != 15 ) return 1;
 481         set_title(title);
 482         return 0;
 483 }
 484
 485 int PluginServer::init_realtime(int realtime_sched,
 486                 int total_in_buffers,
 487                 int buffer_size)
 488 {
 489
 490         if( !plugin_open ) return 0;
 491
 492 // set for realtime priority
 493 // initialize plugin
 494 // Call start_realtime
 495         this->total_in_buffers = this->total_out_buffers = total_in_buffers;
 496         client->plugin_init_realtime(realtime_sched,
 497                 total_in_buffers,
 498                 buffer_size);
 499
 500         return 0;
 501 }
 502
 503
 504 // Replaced by pull method but still needed for transitions
 505 void PluginServer::process_transition(VFrame *input,
 506                 VFrame *output,
 507                 int64_t current_position,
 508                 int64_t total_len)
 509 {
 510         if( !plugin_open ) return;
 511         PluginVClient *vclient = (PluginVClient*)client;
 512
 513         vclient->source_position = current_position;
 514         vclient->source_start = 0;
 515         vclient->total_len = total_len;
 516
 517         vclient->input = new VFrame*[1];
 518         vclient->output = new VFrame*[1];
 519
 520         vclient->input[0] = input;
 521         vclient->output[0] = output;
 522
 523         vclient->process_realtime(input, output);
 524         vclient->age_temp();
 525         delete [] vclient->input;
 526         delete [] vclient->output;
 527         use_opengl = 0;
 528 }
 529
 530 void PluginServer::process_transition(Samples *input,
 531                 Samples *output,
 532                 int64_t current_position,
 533                 int64_t fragment_size,
 534                 int64_t total_len)
 535 {
 536         if( !plugin_open ) return;
 537         PluginAClient *aclient = (PluginAClient*)client;
 538
 539         aclient->source_position = current_position;
 540         aclient->total_len = total_len;
 541         aclient->source_start = 0;
 542         aclient->process_realtime(fragment_size,
 543                 input,
 544                 output);
 545 }
 546
 547
 548 void PluginServer::process_buffer(VFrame **frame,
 549         int64_t current_position,
 550         double frame_rate,
 551         int64_t total_len,
 552         int direction)
 553 {
 554         if( !plugin_open ) return;
 555         PluginVClient *vclient = (PluginVClient*)client;
 556         vclient->in_buffer_size = vclient->out_buffer_size = 1;
 557         vclient->source_position = current_position;
 558         vclient->total_len = total_len;
 559         vclient->frame_rate = frame_rate;
 560         vclient->input = new VFrame*[total_in_buffers];
 561         vclient->output = new VFrame*[total_in_buffers];
 562         for( int i = 0; i < total_in_buffers; i++ ) {
 563                 vclient->input[i] = frame[i];
 564                 vclient->output[i] = frame[i];
 565         }
 566
 567         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 568         if( plugin ) {
 569                 vclient->source_start = (int64_t)plugin->startproject *
 570                         frame_rate / vclient->project_frame_rate;
 571         }
 572         vclient->direction = direction;
 573
 574 //PRINT_TRACE
 575 //printf("plugin=%p source_start=%ld\n", plugin, vclient->source_start);
 576 //      vclient->begin_process_buffer();
 577         if( multichannel )
 578                 vclient->process_buffer(frame, current_position, frame_rate);
 579         else
 580                 vclient->process_buffer(frame[0], current_position, frame_rate);
 581 //      vclient->end_process_buffer();
 582
 583         for( int i = 0; i < total_in_buffers; i++ )
 584                 frame[i]->push_prev_effect(title);
 585
 586         delete [] vclient->input;
 587         delete [] vclient->output;
 588
 589         vclient->age_temp();
 590         use_opengl = 0;
 591 }
 592
 593 void PluginServer::process_buffer(Samples **buffer,
 594         int64_t current_position,
 595         int64_t fragment_size,
 596         int64_t sample_rate,
 597         int64_t total_len,
 598         int direction)
 599 {
 600         if( !plugin_open ) return;
 601         PluginAClient *aclient = (PluginAClient*)client;
 602         aclient->source_position = current_position;
 603         aclient->total_len = total_len;
 604         aclient->sample_rate = sample_rate;
 605         aclient->in_buffer_size = aclient->out_buffer_size = fragment_size;
 606         aclient->output_buffers = buffer;
 607
 608         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 609         if( plugin )
 610                 aclient->source_start = plugin->startproject *
 611                         sample_rate /
 612                         aclient->project_sample_rate;
 613
 614         aclient->direction = direction;
 615         aclient->begin_process_buffer();
 616         if( multichannel ) {
 617                 aclient->process_buffer(fragment_size,
 618                         buffer, current_position, sample_rate);
 619         }
 620         else {
 621                 aclient->process_buffer(fragment_size,
 622                         buffer[0], current_position, sample_rate);
 623         }
 624         aclient->end_process_buffer();
 625 }
 626
 627
 628 void PluginServer::send_reset_gui_frames()
 629 {
 630         if( !attachmentpoint ) return;
 631         attachmentpoint->reset_gui_frames(this);
 632 }
 633
 634 void PluginServer::send_render_gui(void *data)
 635 {
 636         if( !attachmentpoint ) return;
 637         attachmentpoint->render_gui(data, this);
 638 }
 639
 640 void PluginServer::send_render_gui(void *data, int size)
 641 {
 642         if( !attachmentpoint ) return;
 643         attachmentpoint->render_gui(data, size, this);
 644 }
 645
 646 void PluginServer::render_gui(void *data)
 647 {
 648         if( !client ) return;
 649         client->plugin_render_gui(data);
 650 }
 651
 652 void PluginServer::render_gui(void *data, int size)
 653 {
 654         if( !client ) return;
 655         client->plugin_render_gui(data, size);
 656 }
 657
 658
 659 PluginGUIs::PluginGUIs(MWindow *mwindow)
 660 {
 661         this->mwindow = mwindow;
 662         this->next_id = 0;
 663 }
 664 PluginGUIs::~PluginGUIs()
 665 {
 666 }
 667
 668 void PluginGUIs::append(PluginServer *server)
 669 {
 670         server->gui_id = next_id++;
 671         ArrayList<PluginServer*>::append(server);
 672 }
 673
 674 PluginServer *PluginGUIs::gui_server(int gui_id)
 675 {
 676         for( int i=0; i<size(); ++i ) {
 677                 PluginServer *plugin_server = get(i);
 678                 if( plugin_server->gui_id == gui_id )
 679                         return plugin_server;
 680         }
 681         return 0;
 682 }
 683
 684
 685 void PluginServer::reset_gui_frames()
 686 {
 687         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 688         if( plugin )
 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         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 701         if( plugin )
 702                 mwindow->render_plugin_gui_frames(frames, plugin);
 703 }
 704
 705 void PluginServer::render_plugin_gui_frames(PluginClientFrames *frames)
 706 {
 707         if( !client ) return;
 708         client->plugin_render_gui_frames(frames);
 709 }
 710
 711 MainProgressBar* PluginServer::start_progress(char *string, int64_t length)
 712 {
 713         mwindow->gui->lock_window();
 714         MainProgressBar *result = mwindow->mainprogress->start_progress(string, length);
 715         mwindow->gui->unlock_window();
 716         return result;
 717 }
 718
 719 int64_t PluginServer::get_written_samples()
 720 {
 721         if( !plugin_open ) return 0;
 722         return written_samples;
 723 }
 724
 725 int64_t PluginServer::get_written_frames()
 726 {
 727         if( !plugin_open ) return 0;
 728         return written_frames;
 729 }
 730
 731
 732 // ======================= Non-realtime plugin
 733
 734 int PluginServer::get_parameters(int64_t start, int64_t end, int channels)
 735 {
 736         if( !plugin_open ) return 0;
 737
 738         client->start = start;
 739         client->end = end;
 740         client->source_start = start;
 741         client->total_len = end - start;
 742         client->total_in_buffers = channels;
 743
 744 //PRINT_TRACE
 745 //printf(" source_start=%ld total_len=%ld\n", client->source_start, client->total_len);
 746
 747         return client->plugin_get_parameters();
 748 }
 749
 750 int PluginServer::set_interactive()
 751 {
 752         if( !plugin_open ) return 0;
 753         client->set_interactive();
 754         return 0;
 755 }
 756
 757 void PluginServer::append_module(Module *module)
 758 {
 759         modules->append(module);
 760 }
 761
 762 void PluginServer::append_node(VirtualNode *node)
 763 {
 764         nodes->append(node);
 765 }
 766
 767 void PluginServer::reset_nodes()
 768 {
 769         nodes->remove_all();
 770 }
 771
 772 int PluginServer::set_error()
 773 {
 774         error_flag = 1;
 775         return 0;
 776 }
 777
 778 int PluginServer::set_realtime_sched()
 779 {
 780         //struct sched_param params;
 781         //params.sched_priority = 1;
 782         //sched_setscheduler(0, SCHED_RR, &param);
 783         return 0;
 784 }
 785
 786
 787 int PluginServer::process_loop(VFrame **buffers, int64_t &write_length)
 788 {
 789         if( !plugin_open ) return 1;
 790         return client->plugin_process_loop(buffers, write_length);
 791 }
 792
 793 int PluginServer::process_loop(Samples **buffers, int64_t &write_length)
 794 {
 795         if( !plugin_open ) return 1;
 796         return client->plugin_process_loop(buffers, write_length);
 797 }
 798
 799
 800 int PluginServer::start_loop(int64_t start,
 801         int64_t end,
 802         int64_t buffer_size,
 803         int total_buffers)
 804 {
 805         if( !plugin_open ) return 0;
 806         client->plugin_start_loop(start, end, buffer_size, total_buffers);
 807         return 0;
 808 }
 809
 810 int PluginServer::stop_loop()
 811 {
 812         if( !plugin_open ) return 0;
 813         return client->plugin_stop_loop();
 814 }
 815
 816 int PluginServer::read_frame(VFrame *buffer,
 817         int channel,
 818         int64_t start_position)
 819 {
 820         ((VModule*)modules->values[channel])->render(buffer,
 821                 start_position, PLAY_FORWARD,
 822                 mwindow->edl->session->frame_rate, 0, 0);
 823         return 0;
 824 }
 825
 826 int PluginServer::read_samples(Samples *buffer,
 827         int channel, int64_t sample_rate, int64_t start_position, int64_t len)
 828 {
 829 // len is now in buffer
 830         if( !multichannel ) channel = 0;
 831
 832         if( nodes->total > channel )
 833                 return ((VirtualANode*)nodes->values[channel])->read_data(buffer,
 834                         len, start_position, sample_rate);
 835         if( modules->total > channel )
 836                 return ((AModule*)modules->values[channel])->render(buffer,
 837                         len, start_position, PLAY_FORWARD, sample_rate, 0);
 838         printf("PluginServer::read_samples no object available for channel=%d\n",
 839                 channel);
 840         return -1;
 841 }
 842
 843
 844 int PluginServer::read_samples(Samples *buffer,
 845                 int channel, int64_t start_position, int64_t size)
 846 {
 847 // total_samples is now set in buffer
 848         ((AModule*)modules->values[channel])->render(buffer,
 849                 size, start_position, PLAY_FORWARD,
 850                 mwindow->edl->session->sample_rate, 0);
 851         return 0;
 852 }
 853
 854 int PluginServer::read_frame(VFrame *buffer,
 855                 int channel, int64_t start_position, double frame_rate,
 856                 int use_opengl)
 857 {
 858 // Data source depends on whether we're part of a virtual console or a
 859 // plugin array.
 860 //     VirtualNode
 861 //     Module
 862 // If we're a VirtualNode, read_data in the virtual plugin node handles
 863 //     backward propogation and produces the data.
 864 // If we're a Module, render in the module produces the data.
 865 //PRINT_TRACE
 866
 867         int result = -1;
 868         if( !multichannel ) channel = 0;
 869
 870 // Push our name on the next effect stack
 871         buffer->push_next_effect(title);
 872 //printf("PluginServer::read_frame %p\n", buffer);
 873 //buffer->dump_stacks();
 874
 875         if( nodes->total > channel ) {
 876 //printf("PluginServer::read_frame %d\n", __LINE__);
 877                 result = ((VirtualVNode*)nodes->values[channel])->read_data(buffer,
 878                         start_position, frame_rate, use_opengl);
 879         }
 880         else
 881         if( modules->total > channel ) {
 882 //printf("PluginServer::read_frame %d\n", __LINE__);
 883                 result = ((VModule*)modules->values[channel])->render(buffer,
 884                         start_position, //                      PLAY_FORWARD,
 885                         client->direction, frame_rate, 0, 0, use_opengl);
 886         }
 887         else {
 888                 printf("PluginServer::read_frame no object available for channel=%d\n",
 889                         channel);
 890         }
 891
 892 // Pop our name from the next effect stack
 893         buffer->pop_next_effect();
 894
 895         return result;
 896 }
 897
 898
 899 // Called by client
 900 int PluginServer::get_gui_status()
 901 {
 902         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 903         if( plugin )
 904                 return plugin->show ? GUI_ON : GUI_OFF;
 905         else
 906                 return GUI_OFF;
 907 }
 908
 909 void PluginServer::raise_window()
 910 {
 911         if( !plugin_open ) return;
 912         client->raise_window();
 913 }
 914
 915 void PluginServer::show_gui()
 916 {
 917         if( !plugin_open ) return;
 918         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 919         if( plugin ) {
 920                 plugin->gui_id = gui_id;
 921                 client->total_len = plugin->length;
 922                 client->source_start = plugin->startproject;
 923         }
 924         if( video ) {
 925                 client->source_position = Units::to_int64(
 926                         mwindow->edl->local_session->get_selectionstart(1) *
 927                                 mwindow->edl->session->frame_rate);
 928         }
 929         else
 930         if( audio ) {
 931                 client->source_position = Units::to_int64(
 932                         mwindow->edl->local_session->get_selectionstart(1) *
 933                                 mwindow->edl->session->sample_rate);
 934         }
 935
 936         client->update_display_title();
 937         client->show_gui();
 938 }
 939
 940 void PluginServer::hide_gui()
 941 {
 942         if( !plugin_open ) return;
 943         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 944         if( plugin ) plugin->gui_id = -1;
 945         if( client->defaults ) client->save_defaults();
 946         client->hide_gui();
 947 }
 948
 949 void PluginServer::update_gui()
 950 {
 951         if( !plugin_open ) return;
 952         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
 953         if( !plugin ) return;
 954
 955         client->total_len = plugin->length;
 956         client->source_start = plugin->startproject;
 957
 958         if( video ) {
 959                 client->source_position = Units::to_int64(
 960                         mwindow->edl->local_session->get_selectionstart(1) *
 961                                 mwindow->edl->session->frame_rate);
 962         }
 963         else if( audio ) {
 964                 client->source_position = Units::to_int64(
 965                         mwindow->edl->local_session->get_selectionstart(1) *
 966                                 mwindow->edl->session->sample_rate);
 967         }
 968
 969         client->plugin_update_gui();
 970 }
 971
 972 void PluginServer::update_title()
 973 {
 974         if( !plugin_open ) return;
 975
 976         client->update_display_title();
 977 }
 978
 979
 980 int PluginServer::set_string(char *string)
 981 {
 982         if( !plugin_open ) return 0;
 983
 984         client->set_string_client(string);
 985         return 0;
 986 }
 987
 988 int PluginServer::gui_open()
 989 {
 990         if( attachmentpoint ) return attachmentpoint->gui_open();
 991         return 0;
 992 }
 993
 994 void PluginServer::set_use_opengl(int value, VideoDevice *vdevice)
 995 {
 996         this->use_opengl = value;
 997         this->vdevice = vdevice;
 998 }
 999
1000 int PluginServer::get_use_opengl()
1001 {
1002         return use_opengl;
1003 }
1004
1005
1006 void PluginServer::run_opengl(PluginClient *plugin_client)
1007 {
1008         if( vdevice )
1009                 ((VDeviceX11*)vdevice->get_output_base())->run_plugin(plugin_client);
1010 }
1011
1012 // ============================= queries
1013
1014 void PluginServer::get_defaults_path(char *path)
1015 {
1016         char string2[BCTEXTLEN];
1017         switch( plugin_type ) {
1018         case PLUGIN_TYPE_FFMPEG:
1019         case PLUGIN_TYPE_LV2:
1020                 strcpy(string2, client->plugin_title());
1021                 break;
1022         case PLUGIN_TYPE_BUILTIN:
1023         case PLUGIN_TYPE_LADSPA:
1024         default: { // Get plugin name from path
1025                 char *ptr1 = strrchr(get_path(), '/');
1026                 char *ptr2 = strrchr(get_path(), '.');
1027                 if( !ptr1 ) ptr1 = get_path();
1028                 if( !ptr2 ) ptr2 = get_path() + strlen(get_path());
1029                 char *ptr3 = string2;
1030                 while( ptr1 < ptr2 ) *ptr3++ = *ptr1++;
1031                 *ptr3 = 0;
1032                 break; }
1033         }
1034         sprintf(path, "%s/%s.xml", File::get_config_path(), string2);
1035 }
1036
1037 void PluginServer::save_defaults()
1038 {
1039         if( client ) client->save_defaults();
1040 }
1041
1042 int PluginServer::get_samplerate()
1043 {
1044         if( !plugin_open ) return 0;
1045         if( audio )
1046                 return client->get_samplerate();
1047         if( mwindow )
1048                 return mwindow->edl->session->sample_rate;
1049         printf("PluginServer::get_samplerate audio and mwindow == NULL\n");
1050         return 1;
1051 }
1052
1053
1054 double PluginServer::get_framerate()
1055 {
1056         if( !plugin_open ) return 0;
1057         if( video )
1058                 return client->get_framerate();
1059         if( mwindow )
1060                 return mwindow->edl->session->frame_rate;
1061         printf("PluginServer::get_framerate video and mwindow == NULL\n");
1062         return 1;
1063 }
1064
1065 int PluginServer::get_project_samplerate()
1066 {
1067         if( mwindow )
1068                 return mwindow->edl->session->sample_rate;
1069         if( edl )
1070                 return edl->session->sample_rate;
1071         printf("PluginServer::get_project_samplerate mwindow and edl are NULL.\n");
1072         return 1;
1073 }
1074
1075 double PluginServer::get_project_framerate()
1076 {
1077         if( mwindow )
1078                 return mwindow->edl->session->frame_rate;
1079         if( edl )
1080                 return edl->session->frame_rate;
1081         printf("PluginServer::get_project_framerate mwindow and edl are NULL.\n");
1082         return 1;
1083 }
1084
1085
1086 int PluginServer::detach_buffers()
1087 {
1088         ring_buffers_out.remove_all();
1089         offset_out_render.remove_all();
1090         double_buffer_out_render.remove_all();
1091         realtime_out_size.remove_all();
1092
1093         ring_buffers_in.remove_all();
1094         offset_in_render.remove_all();
1095         double_buffer_in_render.remove_all();
1096         realtime_in_size.remove_all();
1097
1098         out_buffer_size = 0;
1099         shared_buffers = 0;
1100         total_out_buffers = 0;
1101         in_buffer_size = 0;
1102         total_in_buffers = 0;
1103         return 0;
1104 }
1105
1106 int PluginServer::arm_buffer(int buffer_number,
1107                 int64_t offset_in, int64_t offset_out,
1108                 int double_buffer_in, int double_buffer_out)
1109 {
1110         offset_in_render.values[buffer_number] = offset_in;
1111         offset_out_render.values[buffer_number] = offset_out;
1112         double_buffer_in_render.values[buffer_number] = double_buffer_in;
1113         double_buffer_out_render.values[buffer_number] = double_buffer_out;
1114         return 0;
1115 }
1116
1117
1118 int PluginServer::set_automation(FloatAutos *autos, FloatAuto **start_auto, FloatAuto **end_auto, int reverse)
1119 {
1120         this->autos = autos;
1121         this->start_auto = start_auto;
1122         this->end_auto = end_auto;
1123         this->reverse = reverse;
1124         return 0;
1125 }
1126
1127
1128
1129 void PluginServer::save_data(KeyFrame *keyframe)
1130 {
1131         if( !plugin_open ) return;
1132         client->save_data(keyframe);
1133 }
1134
1135 KeyFrame* PluginServer::get_prev_keyframe(int64_t position)
1136 {
1137         KeyFrame *result = 0;
1138         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
1139         if( plugin )
1140                 result = plugin->get_prev_keyframe(position, client->direction);
1141         else
1142                 result = keyframe;
1143         return result;
1144 }
1145
1146 KeyFrame* PluginServer::get_next_keyframe(int64_t position)
1147 {
1148         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
1149         KeyFrame *result = !plugin ? 0 :
1150                 plugin->get_next_keyframe(position, client->direction);
1151         return result;
1152 }
1153
1154 // Called for
1155 KeyFrame* PluginServer::get_keyframe()
1156 {
1157         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
1158         if( plugin )
1159 // Realtime plugin case
1160                 return plugin->get_keyframe();
1161 // Rendered plugin case
1162         return keyframe;
1163 }
1164
1165
1166 void PluginServer::apply_keyframe(KeyFrame *src)
1167 {
1168         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
1169         if( !plugin )
1170                 keyframe->copy_data(src);
1171         else if( plugin->is_transition() )
1172                 plugin->get_keyframe()->copy_data(src);
1173         else
1174 // Span keyframes
1175                 plugin->keyframes->update_parameter(src);
1176 }
1177
1178
1179 void PluginServer::get_camera(float *x, float *y, float *z,
1180         int64_t position, int direction)
1181 {
1182         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
1183         if( plugin )
1184                 plugin->track->automation->get_camera(x, y, z, position, direction);
1185 }
1186
1187 void PluginServer::get_projector(float *x, float *y, float *z,
1188         int64_t position, int direction)
1189 {
1190         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
1191         if( plugin )
1192                 plugin->track->automation->get_projector(x, y, z, position, direction);
1193 }
1194
1195
1196 int PluginServer::get_interpolation_type()
1197 {
1198         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
1199         if( plugin )
1200                 return plugin->edl->session->interpolation_type;
1201         return NEAREST_NEIGHBOR;
1202 }
1203
1204 Theme* PluginServer::new_theme()
1205 {
1206         if( theme )
1207                 return client->new_theme();
1208         return 0;
1209 }
1210
1211 Theme* PluginServer::get_theme()
1212 {
1213         if( mwindow ) return mwindow->theme;
1214         printf("PluginServer::get_theme mwindow not set\n");
1215         return 0;
1216 }
1217
1218
1219 void PluginServer::get_plugin_png_name(char *png_name)
1220 {
1221         char *pp = png_name, *ep = pp + BCSTRLEN-1;
1222         char *cp = strrchr(path, '/');
1223         cp = !cp ? path : cp+1;
1224         char *sp = strrchr(cp, '.');
1225         if( !sp ) sp = cp+strlen(cp);
1226         while( pp < ep && cp < sp ) *pp++ = *cp++;
1227         snprintf(pp, ep-pp, ".png");
1228 }
1229
1230 int PluginServer::get_plugin_png_path(char *png_path, const char *plugin_icons)
1231 {
1232         char png_name[BCSTRLEN];
1233         get_plugin_png_name(png_name);
1234         char *pp = png_path, *ep = pp + BCTEXTLEN-1;
1235         pp += snprintf(pp, ep-pp, "%s/picon/%s/%s",
1236                 File::get_plugin_path(), plugin_icons, png_name);
1237         return access(png_path,R_OK) ? 1 : 0;
1238 }
1239
1240 int PluginServer::get_plugin_png_path(char *png_path)
1241 {
1242         int ret = get_plugin_png_path(png_path, mwindow->preferences->plugin_icons);
1243         if( ret ) ret = get_plugin_png_path(png_path, DEFAULT_PICON);
1244         return ret;
1245 }
1246
1247 VFrame *PluginServer::get_plugin_images()
1248 {
1249         char png_path[BCTEXTLEN];
1250         if( !get_plugin_png_path(png_path) )
1251                 return VFramePng::vframe_png(png_path,0,0);
1252         char png_name[BCSTRLEN];
1253         get_plugin_png_name(png_name);
1254         unsigned char *data = mwindow->theme->get_image_data(png_name, 0);
1255         return data ? new VFramePng(data, 0.) : 0;
1256 }
1257
1258 VFrame *PluginServer::get_picon()
1259 {
1260         if( !picon )
1261                 picon = get_plugin_images();
1262         return picon;
1263 }
1264
1265 // Called when plugin interface is tweeked
1266 void PluginServer::sync_parameters()
1267 {
1268         if( video ) mwindow->restart_brender();
1269         mwindow->sync_parameters();
1270         mwindow->update_keyframe_guis();
1271         if( mwindow->edl->session->auto_conf->plugins ) {
1272                 mwindow->gui->lock_window("PluginServer::sync_parameters");
1273                 mwindow->gui->draw_overlays(1);
1274                 mwindow->gui->unlock_window();
1275         }
1276 }
1277
1278 int64_t PluginServer::get_startproject()
1279 {
1280         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
1281         return !plugin ? -1 : plugin->startproject;
1282 }
1283 int64_t PluginServer::get_endproject()
1284 {
1285         Plugin *plugin = edl->tracks->plugin_exists(plugin_id);
1286         return !plugin ? -1 : plugin->startproject + plugin->length;
1287 }
1288
1289 void PluginServer::dump(FILE *fp)
1290 {
1291         fprintf(fp,"    PluginServer %d %p %s %s %d\n",
1292                 __LINE__, this, path, title, realtime);
1293 }