4 #include "bcwindowbase.h"
11 PluginLV2::PluginLV2()
16 in_buffers = 0; iport = 0;
17 out_buffers = 0; oport = 0;
44 powerOf2BlockLength = 0;
46 boundedBlockLength = 0;
50 memset(&schedule, 0, sizeof(schedule));
51 schedule.handle = (LV2_Worker_Schedule_Handle)this;
52 schedule.schedule_work = lv2_worker_schedule;
53 worker_iface = 0; worker_done = -1;
54 pthread_mutex_init(&worker_lock, 0);
55 pthread_cond_init(&worker_ready, 0);
56 work_avail = 0; work_input = 0;
57 work_output = 0; work_tail = &work_output;
60 PluginLV2::~PluginLV2()
63 if( world ) lilv_world_free(world);
64 pthread_mutex_destroy(&worker_lock);
65 pthread_cond_destroy(&worker_ready);
68 void PluginLV2::reset_lv2()
71 if( inst ) lilv_instance_deactivate(inst);
72 lilv_instance_free(inst); inst = 0;
73 lilv_uis_free(lilv_uis); lilv_uis = 0;
75 lilv_node_free(lv2_InputPort); lv2_InputPort = 0;
76 lilv_node_free(lv2_OutputPort); lv2_OutputPort = 0;
77 lilv_node_free(lv2_AudioPort); lv2_AudioPort = 0;
78 lilv_node_free(lv2_ControlPort); lv2_ControlPort = 0;
79 lilv_node_free(lv2_CVPort); lv2_CVPort = 0;
81 lilv_node_free(lv2_Optional); lv2_Optional = 0;
82 lilv_node_free(atom_AtomPort); atom_AtomPort = 0;
83 lilv_node_free(atom_Sequence); atom_Sequence = 0;
84 lilv_node_free(boundedBlockLength); boundedBlockLength = 0;
85 lilv_node_free(fixedBlockLength); fixedBlockLength = 0;
86 lilv_node_free(powerOf2BlockLength); powerOf2BlockLength = 0;
88 delete [] (char *)seq_out; seq_out = 0;
89 uri_table.remove_all_objects();
90 features.remove_all_objects(); ui_features = 0;
95 int PluginLV2::load_lv2(const char *path, char *title)
98 world = lilv_world_new();
100 printf("lv2: lilv_world_new failed\n");
103 lilv_world_load_all(world);
106 LilvNode *uri = lilv_new_uri(world, path);
108 printf("lv2: lilv_new_uri(%s) failed\n", path);
112 const LilvPlugins *all_plugins = lilv_world_get_all_plugins(world);
113 lilv = lilv_plugins_get_by_uri(all_plugins, uri);
116 printf("lv2: lilv_plugins_get_by_uri (%s) failed\n", path);
121 LilvNode *name = lilv_plugin_get_name(lilv);
122 const char *nm = lilv_node_as_string(name);
123 sprintf(title, "L2_%s", nm);
124 lilv_node_free(name);
129 int PluginLV2::init_lv2(PluginLV2ClientConfig &conf, int sample_rate, int bfrsz)
132 double bps = 2. * sample_rate / bfrsz;
133 if( bps > refreshrate ) refreshrate = bps;
135 lv2_AudioPort = lilv_new_uri(world, LV2_CORE__AudioPort);
136 lv2_ControlPort = lilv_new_uri(world, LV2_CORE__ControlPort);
137 lv2_CVPort = lilv_new_uri(world, LV2_CORE__CVPort);
138 lv2_InputPort = lilv_new_uri(world, LV2_CORE__InputPort);
139 lv2_OutputPort = lilv_new_uri(world, LV2_CORE__OutputPort);
140 lv2_Optional = lilv_new_uri(world, LV2_CORE__connectionOptional);
141 atom_AtomPort = lilv_new_uri(world, LV2_ATOM__AtomPort);
142 atom_Sequence = lilv_new_uri(world, LV2_ATOM__Sequence);
143 powerOf2BlockLength = lilv_new_uri(world, LV2_BUF_SIZE__powerOf2BlockLength);
144 fixedBlockLength = lilv_new_uri(world, LV2_BUF_SIZE__fixedBlockLength);
145 boundedBlockLength = lilv_new_uri(world, LV2_BUF_SIZE__boundedBlockLength);
146 seq_out = (LV2_Atom_Sequence *) new char[sizeof(LV2_Atom_Sequence) + LV2_SEQ_SIZE];
148 conf.init_lv2(lilv, this);
149 nb_inputs = nb_outputs = 0;
151 for( int i=0; i<conf.nb_ports; ++i ) {
152 const LilvPort *lp = lilv_plugin_get_port_by_index(lilv, i);
154 int is_input = lilv_port_is_a(lilv, lp, lv2_InputPort);
155 if( !is_input && !lilv_port_is_a(lilv, lp, lv2_OutputPort) &&
156 !lilv_port_has_property(lilv, lp, lv2_Optional) ) {
157 printf("lv2: not input, not output, and not optional: %s\n", conf.names[i]);
160 if( is_input && lilv_port_is_a(lilv, lp, lv2_ControlPort) ) {
161 conf.append(new PluginLV2Client_Opt(&conf, i));
164 if( lilv_port_is_a(lilv, lp, lv2_AudioPort) ||
165 lilv_port_is_a(lilv, lp, lv2_CVPort ) ) {
166 if( is_input ) ++nb_inputs; else ++nb_outputs;
171 uri_map.handle = (LV2_URID_Map_Handle)this;
172 uri_map.map = map_uri;
173 features.append(new Lv2Feature(LV2_URID__map, &uri_map));
174 uri_unmap.handle = (LV2_URID_Unmap_Handle)this;
175 uri_unmap.unmap = unmap_uri;
176 features.append(new Lv2Feature(LV2_URID__unmap, &uri_unmap));
177 features.append(new Lv2Feature(LV2_BUF_SIZE__powerOf2BlockLength, 0));
178 features.append(new Lv2Feature(LV2_BUF_SIZE__fixedBlockLength, 0));
179 features.append(new Lv2Feature(LV2_BUF_SIZE__boundedBlockLength, 0));
180 features.append(new Lv2Feature(LV2_WORKER__schedule, &schedule));
182 if( sample_rate < 64 ) sample_rate = samplerate;
184 atom_int = uri_table.map(LV2_ATOM__Int);
185 atom_float = uri_table.map(LV2_ATOM__Float);
186 param_sampleRate = uri_table.map(LV2_PARAMETERS__sampleRate);
187 bufsz_minBlockLength = uri_table.map(LV2_BUF_SIZE__minBlockLength);
188 bufsz_maxBlockLength = uri_table.map(LV2_BUF_SIZE__maxBlockLength);
189 bufsz_sequenceSize = uri_table.map(LV2_BUF_SIZE__sequenceSize);
190 ui_updateRate = uri_table.map(LV2_UI__updateRate);
192 samplerate = sample_rate;
193 options.add(param_sampleRate, sizeof(float), atom_float, &samplerate);
194 if( min_block_length > bfrsz ) min_block_length = bfrsz;
195 options.add(bufsz_minBlockLength, sizeof(int), atom_int, &min_block_length);
196 block_length = bfrsz;
197 options.add(bufsz_maxBlockLength, sizeof(int), atom_int, &block_length);
198 options.add(bufsz_sequenceSize, sizeof(int), atom_int, &midi_buf_size);
199 options.add(ui_updateRate, sizeof(float), atom_float, &refreshrate);
200 options.add(0, 0, 0, 0);
202 features.append(new Lv2Feature(LV2_OPTIONS__options, &options[0]));
205 inst = lilv_plugin_instantiate(lilv, sample_rate, features);
207 printf("lv2: lilv_plugin_instantiate failed\n");
211 const LV2_Descriptor *lilv_desc = inst->lv2_descriptor;
212 worker_iface = !lilv_desc->extension_data ? 0 :
213 (LV2_Worker_Interface*)lilv_desc->extension_data(LV2_WORKER__interface);
217 lilv_instance_activate(inst);
218 // not sure what to do with these
219 max_bufsz = nb_inputs &&
220 (lilv_plugin_has_feature(lilv, powerOf2BlockLength) ||
221 lilv_plugin_has_feature(lilv, fixedBlockLength) ||
222 lilv_plugin_has_feature(lilv, boundedBlockLength)) ? 4096 : 0;
227 uint32_t PluginLV2::map_uri(LV2_URID_Map_Handle handle, const char *uri)
229 PluginLV2 *the = (PluginLV2 *)handle;
230 return the->uri_table.map(uri);
233 const char *PluginLV2::unmap_uri(LV2_URID_Unmap_Handle handle, LV2_URID urid)
235 PluginLV2 *the = (PluginLV2 *)handle;
236 return the->uri_table.unmap(urid);
239 void PluginLV2::connect_ports(PluginLV2ClientConfig &conf, int ports)
241 int ich = 0, och = 0;
242 for( int i=0; i<conf.nb_ports; ++i ) {
243 const LilvPort *lp = lilv_plugin_get_port_by_index(lilv, i);
245 int port = conf.ports[i];
246 if( !(port & ports) ) continue;
247 if( (port & PORTS_CONTROL) ) {
248 lilv_instance_connect_port(inst, i, &conf.ctls[i]);
251 if( (port & PORTS_AUDIO) ) {
252 if( (port & PORTS_INPUT) ) {
253 lilv_instance_connect_port(inst, i, in_buffers[ich]);
256 else if( (port & PORTS_OUTPUT) ) {
257 lilv_instance_connect_port(inst, i, out_buffers[och]);
262 if( (port & PORTS_ATOM) ) {
263 if( (port & PORTS_INPUT) )
264 lilv_instance_connect_port(inst, i, &seq_in);
266 lilv_instance_connect_port(inst, i, seq_out);
271 seq_in[0].atom.size = sizeof(LV2_Atom_Sequence_Body);
272 seq_in[0].atom.type = uri_table.map(LV2_ATOM__Sequence);
273 seq_in[1].atom.size = 0;
274 seq_in[1].atom.type = 0;
275 seq_out->atom.size = LV2_SEQ_SIZE;
276 seq_out->atom.type = uri_table.map(LV2_ATOM__Chunk);
279 void PluginLV2::del_buffer()
284 delete [] in_buffers; in_buffers = 0;
285 delete [] out_buffers; out_buffers = 0;
288 void PluginLV2::new_buffer(int64_t sz)
291 if( use_shm ) { // currently, always uses shm
292 shmid = shmget(IPC_PRIVATE, sz, IPC_CREAT | 0777);
294 bp = (unsigned char*)shmat(shmid, NULL, 0);
295 if( bp == (void *) -1 ) { perror("shmat"); bp = 0; }
296 shmctl(shmid, IPC_RMID, 0); // delete when last ref gone
299 perror("PluginLV2::allocate_buffer: shmget failed\n");
300 BC_Trace::dump_shm_stats(stdout);
304 shm_bfr = (shm_bfr_t *) bp;
305 if( shm_bfr ) shm_bfr->sz = sz;
308 shm_bfr_t *PluginLV2::shm_buffer(int shmid)
310 if( this->shmid != shmid ) {
311 if( this->shmid >= 0 ) {
312 shmdt(shm_bfr); this->shmid = -1;
316 shm_bfr = (shm_bfr_t *)shmat(shmid, NULL, 0);
317 if( shm_bfr == (void *)-1 ) { perror("shmat"); shm_bfr = 0; }
318 this->shmid = shm_bfr ? shmid : -1;
324 void PluginLV2::init_buffer(int samples)
326 int64_t sz = sizeof(shm_bfr_t) +
327 sizeof(iport[0])*nb_inputs + sizeof(oport[0])*nb_outputs +
328 sizeof(*in_buffers[0]) *samples * nb_inputs +
329 sizeof(*out_buffers[0])*samples * nb_outputs;
332 if( shm_bfr->sz < sz ||
333 shm_bfr->nb_inputs != nb_inputs ||
334 shm_bfr->nb_outputs != nb_outputs )
341 shm_bfr->samples = samples;
343 shm_bfr->nb_inputs = nb_inputs;
344 shm_bfr->nb_outputs = nb_outputs;
352 // int samples, done;
353 // int nb_inputs, nb_outputs;
354 // int iport[nb_inputs],
355 // float in_buffers[samples][nb_inputs];
356 // int oport[nb_outputs];
357 // float out_buffers[samples][nb_outputs];
360 void PluginLV2::map_buffer()
362 uint8_t *bp = (uint8_t *)(shm_bfr + 1);
364 nb_inputs = shm_bfr->nb_inputs;
366 bp += sizeof(iport[0])*nb_inputs;
367 in_buffers = new float*[nb_inputs];
368 int samples = shm_bfr->samples;
369 for(int i=0; i<nb_inputs; ++i ) {
370 in_buffers[i] = (float *)bp;
371 bp += sizeof(*in_buffers[0])*samples;
374 nb_outputs = shm_bfr->nb_outputs;
376 bp += sizeof(oport[0])*nb_outputs;
377 out_buffers = new float*[nb_outputs];
378 for( int i=0; i<nb_outputs; ++i ) {
379 out_buffers[i] = (float *)bp;
380 bp += sizeof(*out_buffers[0])*samples;
387 PluginLV2Work::PluginLV2Work()
394 PluginLV2Work::~PluginLV2Work()
399 void PluginLV2Work::load(const void *vp, unsigned size)
403 data = new char[alloc=size];
405 memcpy(data, vp, used=size);
408 PluginLV2Work *PluginLV2::get_work()
410 // must hold worker_lock
411 if( !work_avail ) return new PluginLV2Work();
412 PluginLV2Work *wp = work_avail;
413 work_avail = wp->next; wp->next = 0;
417 void *PluginLV2::worker_func()
419 pthread_mutex_lock(&worker_lock);
421 while( !worker_done && !work_input )
422 pthread_cond_wait(&worker_ready, &worker_lock);
423 if( worker_done ) break;
424 PluginLV2Work *wp = work_input; work_input = wp->next;
426 pthread_mutex_unlock(&worker_lock);
427 worker_iface->work(inst, lv2_worker_respond, this, wp->used, wp->data);
428 pthread_mutex_lock(&worker_lock);
429 wp->next = work_avail; work_avail = wp;
431 pthread_mutex_unlock(&worker_lock);
434 void *PluginLV2::worker_func(void* vp)
436 PluginLV2 *the = (PluginLV2 *)vp;
437 return the->worker_func();
440 void PluginLV2::worker_start()
442 pthread_create(&worker_thread, 0, worker_func, this);
445 void PluginLV2::worker_stop()
449 pthread_mutex_lock(&worker_lock);
450 pthread_cond_signal(&worker_ready);
451 pthread_mutex_unlock(&worker_lock);
452 pthread_join(worker_thread, 0);
455 work_stop(work_avail);
456 work_stop(work_input);
457 work_stop(work_output);
458 work_tail = &work_output;
461 void PluginLV2::work_stop(PluginLV2Work *&work)
464 PluginLV2Work *wp = work;
470 LV2_Worker_Status PluginLV2::worker_schedule(uint32_t inp_size, const void *inp_data)
473 if( !pthread_mutex_trylock(&worker_lock) ) {
474 PluginLV2Work *wp = get_work();
475 wp->load(inp_data, inp_size);
476 wp->next = work_input; work_input = wp;
477 pthread_cond_signal(&worker_ready);
478 pthread_mutex_unlock(&worker_lock);
481 else if( worker_iface )
482 worker_iface->work(inst, lv2_worker_respond, this, inp_size, inp_data);
483 return LV2_WORKER_SUCCESS;
485 LV2_Worker_Status PluginLV2::lv2_worker_schedule(LV2_Worker_Schedule_Handle vp,
486 uint32_t inp_size, const void *inp_data)
488 PluginLV2 *the = (PluginLV2 *)vp;
489 return the->worker_schedule(inp_size, inp_data);
492 LV2_Worker_Status PluginLV2::worker_respond(uint32_t out_size, const void *out_data)
494 pthread_mutex_lock(&worker_lock);
495 PluginLV2Work *wp = get_work();
496 wp->load(out_data, out_size);
497 *work_tail = wp; work_tail = &wp->next;
498 pthread_mutex_unlock(&worker_lock);
499 return LV2_WORKER_SUCCESS;
501 LV2_Worker_Status PluginLV2::lv2_worker_respond(LV2_Worker_Respond_Handle vp,
502 uint32_t out_size, const void *out_data)
504 PluginLV2 *the = (PluginLV2 *)vp;
505 return the->worker_respond(out_size, out_data);
508 void PluginLV2::worker_responses()
510 pthread_mutex_lock(&worker_lock);
511 while( work_output ) {
512 PluginLV2Work *rp = work_output;
513 if( !(work_output=rp->next) ) work_tail = &work_output;
514 pthread_mutex_unlock(&worker_lock);
515 worker_iface->work_response(inst, rp->used, rp->data);
516 pthread_mutex_lock(&worker_lock);
517 rp->next = work_avail; work_avail = rp;
519 pthread_mutex_unlock(&worker_lock);
523 #include "pluginlv2ui.h"
525 PluginLV2ChildUI::PluginLV2ChildUI()
533 PluginLV2ChildUI::~PluginLV2ChildUI()
538 void PluginLV2ChildUI::run()
540 ArrayList<char *> av;
541 av.set_array_delete();
543 const char *exec_path = File::get_cinlib_path();
544 snprintf(arg, sizeof(arg), "%s/%s", exec_path, "lv2ui");
545 av.append(cstrdup(arg));
546 sprintf(arg, "%d", child_fd);
547 av.append(cstrdup(arg));
548 sprintf(arg, "%d", parent_fd);
549 av.append(cstrdup(arg));
550 sprintf(arg, "%d", ppid);
551 av.append(cstrdup(arg));
553 execv(av[0], &av.values[0]);
554 fprintf(stderr, "execv failed: %s\n %m\n", av.values[0]);
555 av.remove_all_objects();
559 #define LV2_EXTERNAL_UI_URI__KX__Widget "http://kxstudio.sf.net/ns/lv2ext/external-ui#Widget"
561 PluginLV2UI::PluginLV2UI()
572 memset(&uri_map, 0, sizeof(uri_map));
573 memset(&uri_unmap, 0, sizeof(uri_unmap));
574 memset(&extui_host, 0, sizeof(extui_host));
575 wgt_type = LV2_EXTERNAL_UI_URI__KX__Widget;
576 gtk_type = LV2_UI__GtkUI;
580 PluginLV2UI::~PluginLV2UI ()