cinelerra/pluginlv2.C

   1 #ifdef HAVE_LV2
   2
   3 #include "bctrace.h"
   4 #include "bcwindowbase.h"
   5 #include "pluginlv2.h"
   6 #include "samples.h"
   7
   8 #include <sys/shm.h>
   9 #include <sys/mman.h>
  10
  11 PluginLV2::PluginLV2()
  12 {
  13         shm_bfr = 0;
  14         use_shm = 1;
  15         shmid = -1;
  16         in_buffers = 0;   iport = 0;
  17         out_buffers = 0;  oport = 0;
  18         nb_inputs = 0;
  19         nb_outputs = 0;
  20         max_bufsz = 0;
  21         ui_features = 0;
  22
  23         samplerate = 44100;
  24         refreshrate = 30.;
  25         block_length = 4096;
  26         midi_buf_size = 8192;
  27
  28         world = 0;
  29         lilv = 0;
  30         lilv_uis = 0;
  31         inst = 0;
  32         sinst = 0;
  33         ui_host = 0;
  34
  35         lv2_InputPort = 0;
  36         lv2_OutputPort = 0;
  37         lv2_AudioPort = 0;
  38         lv2_ControlPort = 0;
  39         lv2_CVPort = 0;
  40         lv2_Optional = 0;
  41         atom_AtomPort = 0;
  42         atom_Sequence = 0;
  43         powerOf2BlockLength = 0;
  44         fixedBlockLength = 0;
  45         boundedBlockLength = 0;
  46         seq_out = 0;
  47
  48         worker_thread = 0;
  49         memset(&schedule, 0, sizeof(schedule));
  50         schedule.handle = (LV2_Worker_Schedule_Handle)this;
  51         schedule.schedule_work = lv2_worker_schedule;
  52         worker_iface = 0;  worker_done = -1;
  53         pthread_mutex_init(&worker_lock, 0);
  54         pthread_cond_init(&worker_ready, 0);
  55         work_avail = 0;   work_input = 0;
  56         work_output = 0;  work_tail = &work_output;
  57 }
  58
  59 PluginLV2::~PluginLV2()
  60 {
  61         reset_lv2();
  62         if( world )     lilv_world_free(world);
  63         pthread_mutex_destroy(&worker_lock);
  64         pthread_cond_destroy(&worker_ready);
  65 }
  66
  67 void PluginLV2::reset_lv2()
  68 {
  69         worker_stop();
  70         if( inst ) lilv_instance_deactivate(inst);
  71         lilv_instance_free(inst);             inst = 0;
  72         lilv_uis_free(lilv_uis);              lilv_uis = 0;
  73
  74         lilv_node_free(lv2_InputPort);        lv2_InputPort = 0;
  75         lilv_node_free(lv2_OutputPort);       lv2_OutputPort = 0;
  76         lilv_node_free(lv2_AudioPort);        lv2_AudioPort = 0;
  77         lilv_node_free(lv2_ControlPort);      lv2_ControlPort = 0;
  78         lilv_node_free(lv2_CVPort);           lv2_CVPort = 0;
  79
  80         lilv_node_free(lv2_Optional);         lv2_Optional = 0;
  81         lilv_node_free(atom_AtomPort);        atom_AtomPort = 0;
  82         lilv_node_free(atom_Sequence);        atom_Sequence = 0;
  83         lilv_node_free(boundedBlockLength);   boundedBlockLength = 0;
  84         lilv_node_free(fixedBlockLength);     fixedBlockLength = 0;
  85         lilv_node_free(powerOf2BlockLength);  powerOf2BlockLength = 0;
  86
  87         delete [] (char *)seq_out;            seq_out = 0;
  88         uri_table.remove_all_objects();
  89         features.remove_all_objects();        ui_features = 0;
  90         del_buffer();
  91 }
  92
  93
  94 int PluginLV2::load_lv2(const char *path, char *title)
  95 {
  96         if( !world ) {
  97                 world = lilv_world_new();
  98                 if( !world ) {
  99                         printf("lv2: lilv_world_new failed\n");
 100                         return 1;
 101                 }
 102                 lilv_world_load_all(world);
 103         }
 104
 105         LilvNode *uri = lilv_new_uri(world, path);
 106         if( !uri ) {
 107                 printf("lv2: lilv_new_uri(%s) failed\n", path);
 108                 return 1;
 109         }
 110
 111         const LilvPlugins *all_plugins = lilv_world_get_all_plugins(world);
 112         lilv = lilv_plugins_get_by_uri(all_plugins, uri);
 113         lilv_node_free(uri);
 114         if( !lilv ) {
 115                 printf("lv2: lilv_plugins_get_by_uri (%s) failed\n", path);
 116                 return 1;
 117         }
 118
 119         if( title ) {
 120                 LilvNode *name = lilv_plugin_get_name(lilv);
 121                 const char *nm = lilv_node_as_string(name);
 122                 sprintf(title, "L2_%s", nm);
 123                 lilv_node_free(name);
 124         }
 125         return 0;
 126 }
 127
 128 int PluginLV2::init_lv2(PluginLV2ClientConfig &conf, int sample_rate, int bfrsz)
 129 {
 130         reset_lv2();
 131         double bps = 2. * sample_rate / bfrsz;
 132         if( bps > refreshrate ) refreshrate = bps;
 133
 134         lv2_AudioPort       = lilv_new_uri(world, LV2_CORE__AudioPort);
 135         lv2_ControlPort     = lilv_new_uri(world, LV2_CORE__ControlPort);
 136         lv2_CVPort          = lilv_new_uri(world, LV2_CORE__CVPort);
 137         lv2_InputPort       = lilv_new_uri(world, LV2_CORE__InputPort);
 138         lv2_OutputPort      = lilv_new_uri(world, LV2_CORE__OutputPort);
 139         lv2_Optional        = lilv_new_uri(world, LV2_CORE__connectionOptional);
 140         atom_AtomPort       = lilv_new_uri(world, LV2_ATOM__AtomPort);
 141         atom_Sequence       = lilv_new_uri(world, LV2_ATOM__Sequence);
 142         powerOf2BlockLength = lilv_new_uri(world, LV2_BUF_SIZE__powerOf2BlockLength);
 143         fixedBlockLength    = lilv_new_uri(world, LV2_BUF_SIZE__fixedBlockLength);
 144         boundedBlockLength  = lilv_new_uri(world, LV2_BUF_SIZE__boundedBlockLength);
 145         seq_out = (LV2_Atom_Sequence *) new char[sizeof(LV2_Atom_Sequence) + LV2_SEQ_SIZE];
 146
 147         conf.init_lv2(lilv, this);
 148         nb_inputs = nb_outputs = 0;
 149
 150         for( int i=0; i<conf.nb_ports; ++i ) {
 151                 const LilvPort *lp = lilv_plugin_get_port_by_index(lilv, i);
 152                 if( !lp ) continue;
 153                 int is_input = lilv_port_is_a(lilv, lp, lv2_InputPort);
 154                 if( !is_input && !lilv_port_is_a(lilv, lp, lv2_OutputPort) &&
 155                     !lilv_port_has_property(lilv, lp, lv2_Optional) ) {
 156                         printf("lv2: not input, not output, and not optional: %s\n", conf.names[i]);
 157                         continue;
 158                 }
 159                 if( is_input && lilv_port_is_a(lilv, lp, lv2_ControlPort) ) {
 160                         conf.append(new PluginLV2Client_Opt(&conf, i));
 161                         continue;
 162                 }
 163                 if( lilv_port_is_a(lilv, lp, lv2_AudioPort) ||
 164                     lilv_port_is_a(lilv, lp, lv2_CVPort ) ) {
 165                         if( is_input ) ++nb_inputs; else ++nb_outputs;
 166                         continue;
 167                 }
 168         }
 169
 170
 171         uri_map.callback_data = (LV2_URI_Map_Callback_Data)this;
 172         uri_map.uri_to_id = uri_to_id;
 173         features.append(new Lv2Feature(NS_EXT "uri-map", &uri_map));
 174         map.handle = (void*)&uri_table;
 175         map.map = uri_table_map;
 176         features.append(new Lv2Feature(LV2_URID_MAP_URI, &map));
 177         unmap.handle = (void*)&uri_table;
 178         unmap.unmap  = uri_table_unmap;
 179         features.append(new Lv2Feature(LV2_URID_UNMAP_URI, &unmap));
 180         features.append(new Lv2Feature(LV2_BUF_SIZE__powerOf2BlockLength, 0));
 181         features.append(new Lv2Feature(LV2_BUF_SIZE__fixedBlockLength,    0));
 182         features.append(new Lv2Feature(LV2_BUF_SIZE__boundedBlockLength,  0));
 183         features.append(new Lv2Feature(LV2_WORKER__schedule, &schedule));
 184
 185         if( sample_rate < 64 ) sample_rate = samplerate;
 186
 187         atom_int   = uri_table.map(LV2_ATOM__Int);
 188         atom_float = uri_table.map(LV2_ATOM__Float);
 189         param_sampleRate = uri_table.map(LV2_PARAMETERS__sampleRate);
 190         bufsz_minBlockLength =  uri_table.map(LV2_BUF_SIZE__minBlockLength);
 191         bufsz_maxBlockLength = uri_table.map(LV2_BUF_SIZE__maxBlockLength);
 192         bufsz_sequenceSize =  uri_table.map(LV2_BUF_SIZE__sequenceSize);
 193         ui_updateRate = uri_table.map(LV2_UI__updateRate);
 194
 195         samplerate = sample_rate;
 196         block_length = bfrsz;
 197         options.add(param_sampleRate, sizeof(float), atom_float, &samplerate);
 198         options.add(bufsz_minBlockLength, sizeof(int), atom_int, &block_length);
 199         options.add(bufsz_maxBlockLength, sizeof(int), atom_int, &block_length);
 200         options.add(bufsz_sequenceSize, sizeof(int), atom_int, &midi_buf_size);
 201         options.add(ui_updateRate, sizeof(float),  atom_float, &refreshrate);
 202         options.add(0, 0, 0, 0);
 203
 204         features.append(new Lv2Feature(LV2_OPTIONS__options,  &options[0]));
 205         features.append(0);
 206
 207         inst = lilv_plugin_instantiate(lilv, sample_rate, features);
 208         if( !inst ) {
 209                 printf("lv2: lilv_plugin_instantiate failed\n");
 210                 return 1;
 211         }
 212
 213         const LV2_Descriptor *lilv_desc = inst->lv2_descriptor;
 214         worker_iface = !lilv_desc->extension_data ? 0 :
 215                 (LV2_Worker_Interface*)lilv_desc->extension_data(LV2_WORKER__interface);
 216         if( worker_iface )
 217                 worker_start();
 218
 219         lilv_instance_activate(inst);
 220 // not sure what to do with these
 221         max_bufsz = nb_inputs &&
 222                 (lilv_plugin_has_feature(lilv, powerOf2BlockLength) ||
 223                  lilv_plugin_has_feature(lilv, fixedBlockLength) ||
 224                  lilv_plugin_has_feature(lilv, boundedBlockLength)) ? 4096 : 0;
 225         return 0;
 226 }
 227
 228 LV2_URID PluginLV2::uri_table_map(LV2_URID_Map_Handle handle, const char *uri)
 229 {
 230         return ((PluginLV2UriTable *)handle)->map(uri);
 231 }
 232
 233 const char *PluginLV2::uri_table_unmap(LV2_URID_Map_Handle handle, LV2_URID urid)
 234 {
 235         return ((PluginLV2UriTable *)handle)->unmap(urid);
 236 }
 237
 238 uint32_t PluginLV2::uri_to_id(LV2_URI_Map_Callback_Data callback_data,
 239         const char *map, const char *uri)
 240 {
 241         PluginLV2 *the = (PluginLV2 *)callback_data;
 242         return the->map.map(the->uri_table, uri);
 243 }
 244
 245 void PluginLV2::connect_ports(PluginLV2ClientConfig &conf, int ports)
 246 {
 247         int ich = 0, och = 0;
 248         for( int i=0; i<conf.nb_ports; ++i ) {
 249                 const LilvPort *lp = lilv_plugin_get_port_by_index(lilv, i);
 250                 if( !lp ) continue;
 251                 int port = conf.ports[i];
 252                 if( !(port & ports) ) continue;
 253                 if( (port & PORTS_CONTROL) ) {
 254                         lilv_instance_connect_port(inst, i, &conf.ctls[i]);
 255                         continue;
 256                 }
 257                 if( (port & PORTS_AUDIO) ) {
 258                         if( (port & PORTS_INPUT) ) {
 259                                 lilv_instance_connect_port(inst, i, in_buffers[ich]);
 260                                 iport[ich++] = i;
 261                         }
 262                         else if( (port & PORTS_OUTPUT) ) {
 263                                 lilv_instance_connect_port(inst, i, out_buffers[och]);
 264                                 oport[och++] = i;
 265                         }
 266                         continue;
 267                 }
 268                 if( (port & PORTS_ATOM) ) {
 269                         if( (port & PORTS_INPUT) )
 270                                 lilv_instance_connect_port(inst, i, &seq_in);
 271                         else
 272                                 lilv_instance_connect_port(inst, i, seq_out);
 273                         continue;
 274                 }
 275         }
 276
 277         seq_in[0].atom.size = sizeof(LV2_Atom_Sequence_Body);
 278         seq_in[0].atom.type = uri_table.map(LV2_ATOM__Sequence);
 279         seq_in[1].atom.size = 0;
 280         seq_in[1].atom.type = 0;
 281         seq_out->atom.size  = LV2_SEQ_SIZE;
 282         seq_out->atom.type  = uri_table.map(LV2_ATOM__Chunk);
 283 }
 284
 285 void PluginLV2::del_buffer()
 286 {
 287         if( shmid >= 0 )
 288                 shm_buffer(-1);
 289
 290         delete [] in_buffers;  in_buffers = 0;
 291         delete [] out_buffers;  out_buffers = 0;
 292 }
 293
 294 void PluginLV2::new_buffer(int64_t sz)
 295 {
 296         uint8_t *bp = 0;
 297         if( use_shm ) {  // currently, always uses shm
 298                 shmid = shmget(IPC_PRIVATE, sz, IPC_CREAT | 0777);
 299                 if( shmid >= 0 ) {
 300                         bp = (unsigned char*)shmat(shmid, NULL, 0);
 301                         if( bp == (void *) -1 ) { perror("shmat"); bp = 0; }
 302                         shmctl(shmid, IPC_RMID, 0); // delete when last ref gone
 303                 }
 304                 else {
 305                         perror("PluginLV2::allocate_buffer: shmget failed\n");
 306                         BC_Trace::dump_shm_stats(stdout);
 307                 }
 308         }
 309
 310         shm_bfr = (shm_bfr_t *) bp;
 311         if( shm_bfr ) shm_bfr->sz = sz;
 312 }
 313
 314 shm_bfr_t *PluginLV2::shm_buffer(int shmid)
 315 {
 316         if( this->shmid != shmid ) {
 317                 if( this->shmid >= 0 ) {
 318                         shmdt(shm_bfr);  this->shmid = -1;
 319                         shm_bfr = 0;
 320                 }
 321                 if( shmid >= 0 ) {
 322                         shm_bfr = (shm_bfr_t *)shmat(shmid, NULL, 0);
 323                         if( shm_bfr == (void *)-1 ) { perror("shmat");  shm_bfr = 0; }
 324                         this->shmid = shm_bfr ? shmid : -1;
 325                 }
 326         }
 327         return shm_bfr;
 328 }
 329
 330 void PluginLV2::init_buffer(int samples)
 331 {
 332         int64_t sz = sizeof(shm_bfr_t) +
 333                 sizeof(iport[0])*nb_inputs + sizeof(oport[0])*nb_outputs +
 334                 sizeof(*in_buffers[0]) *samples * nb_inputs +
 335                 sizeof(*out_buffers[0])*samples * nb_outputs;
 336
 337         if( shm_bfr ) {
 338                 if( shm_bfr->sz < sz ||
 339                     shm_bfr->nb_inputs != nb_inputs ||
 340                     shm_bfr->nb_outputs != nb_outputs )
 341                         del_buffer();
 342         }
 343
 344         if( !shm_bfr )
 345                 new_buffer(sz);
 346
 347         shm_bfr->samples = samples;
 348         shm_bfr->done = 0;
 349         shm_bfr->nb_inputs = nb_inputs;
 350         shm_bfr->nb_outputs = nb_outputs;
 351
 352         map_buffer();
 353 }
 354
 355 // shm_bfr layout:
 356 // struct shm_bfr {
 357 //   int64_t sz;
 358 //   int samples, done;
 359 //   int nb_inputs, nb_outputs;
 360 //   int iport[nb_inputs],
 361 //   float in_buffers[samples][nb_inputs];
 362 //   int oport[nb_outputs];
 363 //   float out_buffers[samples][nb_outputs];
 364 // };
 365
 366 void PluginLV2::map_buffer()
 367 {
 368         uint8_t *bp = (uint8_t *)(shm_bfr + 1);
 369
 370         nb_inputs = shm_bfr->nb_inputs;
 371         iport = (int *)bp;
 372         bp += sizeof(iport[0])*nb_inputs;
 373         in_buffers = new float*[nb_inputs];
 374         int samples = shm_bfr->samples;
 375         for(int i=0; i<nb_inputs; ++i ) {
 376                 in_buffers[i] = (float *)bp;
 377                 bp += sizeof(*in_buffers[0])*samples;
 378         }
 379
 380         nb_outputs = shm_bfr->nb_outputs;
 381         oport = (int *)bp;
 382         bp += sizeof(oport[0])*nb_outputs;
 383         out_buffers = new float*[nb_outputs];
 384         for( int i=0; i<nb_outputs; ++i ) {
 385                 out_buffers[i] = (float *)bp;
 386                 bp += sizeof(*out_buffers[0])*samples;
 387         }
 388 }
 389
 390
 391 // LV2 Worker
 392
 393 PluginLV2Work::PluginLV2Work()
 394 {
 395         next = 0;
 396         alloc = used = 0;
 397         data = 0;
 398 }
 399
 400 PluginLV2Work::~PluginLV2Work()
 401 {
 402         delete [] data;
 403 }
 404
 405 void PluginLV2Work::load(const void *vp, unsigned size)
 406 {
 407         if( alloc < size ) {
 408                 delete [] data;
 409                 data = new char[alloc=size];
 410         }
 411         memcpy(data, vp, used=size);
 412 }
 413
 414 PluginLV2Work *PluginLV2::get_work()
 415 {
 416 // must hold worker_lock
 417         if( !work_avail ) return new PluginLV2Work();
 418         PluginLV2Work *wp = work_avail;
 419         work_avail = wp->next;  wp->next = 0;
 420         return wp;
 421 }
 422
 423 void *PluginLV2::worker_func()
 424 {
 425         pthread_mutex_lock(&worker_lock);
 426         for(;;) {
 427                 while( !worker_done && !work_input )
 428                         pthread_cond_wait(&worker_ready, &worker_lock);
 429                 if( worker_done ) break;
 430                 PluginLV2Work *wp = work_input;  work_input = wp->next;
 431
 432                 pthread_mutex_unlock(&worker_lock);
 433                 worker_iface->work(inst, lv2_worker_respond, this, wp->used, wp->data);
 434                 pthread_mutex_lock(&worker_lock);
 435                 wp->next = work_avail;  work_avail = wp;
 436         }
 437         pthread_mutex_unlock(&worker_lock);
 438         return NULL;
 439 }
 440 void *PluginLV2::worker_func(void* vp)
 441 {
 442         PluginLV2 *the = (PluginLV2 *)vp;
 443         return the->worker_func();
 444 }
 445
 446 void PluginLV2::worker_start()
 447 {
 448         pthread_create(&worker_thread, 0, worker_func, this);
 449 }
 450
 451 void PluginLV2::worker_stop()
 452 {
 453         if( !worker_done ) {
 454                 worker_done = 1;
 455                 pthread_mutex_lock(&worker_lock);
 456                 pthread_cond_signal(&worker_ready);
 457                 pthread_mutex_unlock(&worker_lock);
 458                 pthread_join(worker_thread, 0);
 459                 worker_thread = 0;
 460         }
 461         work_stop(work_avail);
 462         work_stop(work_input);
 463         work_stop(work_output);
 464         work_tail = &work_output;
 465 }
 466
 467 void PluginLV2::work_stop(PluginLV2Work *&work)
 468 {
 469         while( work ) {
 470                 PluginLV2Work *wp = work;
 471                 work = wp->next;
 472                 delete wp;
 473         }
 474 }
 475
 476 LV2_Worker_Status PluginLV2::worker_schedule(uint32_t inp_size, const void *inp_data)
 477 {
 478         if( is_forked() ) {
 479                 if( !pthread_mutex_trylock(&worker_lock) ) {
 480                         PluginLV2Work *wp = get_work();
 481                         wp->load(inp_data, inp_size);
 482                         wp->next = work_input;  work_input = wp;
 483                         pthread_cond_signal(&worker_ready);
 484                         pthread_mutex_unlock(&worker_lock);
 485                 }
 486         }
 487         else if( worker_iface )
 488                 worker_iface->work(inst, lv2_worker_respond, this, inp_size, inp_data);
 489         return LV2_WORKER_SUCCESS;
 490 }
 491 LV2_Worker_Status PluginLV2::lv2_worker_schedule(LV2_Worker_Schedule_Handle vp,
 492                     uint32_t inp_size, const void *inp_data)
 493 {
 494         PluginLV2 *the = (PluginLV2 *)vp;
 495         return the->worker_schedule(inp_size, inp_data);
 496 }
 497
 498 LV2_Worker_Status PluginLV2::worker_respond(uint32_t out_size, const void *out_data)
 499 {
 500         pthread_mutex_lock(&worker_lock);
 501         PluginLV2Work *wp = get_work();
 502         wp->load(out_data, out_size);
 503         *work_tail = wp;  work_tail = &wp->next;
 504         pthread_mutex_unlock(&worker_lock);
 505         return LV2_WORKER_SUCCESS;
 506 }
 507 LV2_Worker_Status PluginLV2::lv2_worker_respond(LV2_Worker_Respond_Handle vp,
 508                 uint32_t out_size, const void *out_data)
 509 {
 510         PluginLV2 *the = (PluginLV2 *)vp;
 511         return the->worker_respond(out_size, out_data);
 512 }
 513
 514 void PluginLV2::worker_responses()
 515 {
 516         pthread_mutex_lock(&worker_lock);
 517         while( work_output ) {
 518                 PluginLV2Work *rp = work_output;
 519                 if( !(work_output=rp->next) ) work_tail = &work_output;
 520                 pthread_mutex_unlock(&worker_lock);
 521                 worker_iface->work_response(inst, rp->used, rp->data);
 522                 pthread_mutex_lock(&worker_lock);
 523                 rp->next = work_avail;  work_avail = rp;
 524         }
 525         pthread_mutex_unlock(&worker_lock);
 526 }
 527
 528 #include "file.h"
 529 #include "pluginlv2ui.h"
 530
 531 PluginLV2ChildUI::PluginLV2ChildUI()
 532 {
 533         ac = 0;
 534         av = 0;
 535         gui = 0;
 536         hidden = 1;
 537 }
 538
 539 PluginLV2ChildUI::~PluginLV2ChildUI()
 540 {
 541         delete gui;
 542 }
 543
 544 void PluginLV2ChildUI::run()
 545 {
 546         ArrayList<char *> av;
 547         av.set_array_delete();
 548         char arg[BCTEXTLEN];
 549         const char *exec_path = File::get_cinlib_path();
 550         snprintf(arg, sizeof(arg), "%s/%s", exec_path, "lv2ui");
 551         av.append(cstrdup(arg));
 552         sprintf(arg, "%d", child_fd);
 553         av.append(cstrdup(arg));
 554         sprintf(arg, "%d", parent_fd);
 555         av.append(cstrdup(arg));
 556         sprintf(arg, "%d", ppid);
 557         av.append(cstrdup(arg));
 558         av.append(0);
 559         execv(av[0], &av.values[0]);
 560         fprintf(stderr, "execv failed: %s\n %m\n", av.values[0]);
 561         av.remove_all_objects();
 562         _exit(1);
 563 }
 564
 565 #define LV2_EXTERNAL_UI_URI__KX__Widget "http://kxstudio.sf.net/ns/lv2ext/external-ui#Widget"
 566
 567 PluginLV2UI::PluginLV2UI()
 568 {
 569         lilv_ui = 0;
 570         lilv_type = 0;
 571
 572         done = -1;
 573         running = 0;
 574         updates = 0;
 575         hidden = 1;
 576         title[0] = 0;
 577
 578         memset(&uri_map, 0, sizeof(uri_map));
 579         memset(&extui_host, 0, sizeof(extui_host));
 580         wgt_type = LV2_EXTERNAL_UI_URI__KX__Widget;
 581         gtk_type = LV2_UI__GtkUI;
 582         ui_type = 0;
 583 }
 584
 585 PluginLV2UI::~PluginLV2UI ()
 586 {
 587 }
 588
 589 #endif