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_mutex_init(&startup_lock, 0);
56 pthread_mutex_lock(&startup_lock);
57 pthread_cond_init(&worker_ready, 0);
58 work_avail = 0; work_input = 0;
59 work_output = 0; work_tail = &work_output;
62 PluginLV2::~PluginLV2()
65 if( world ) lilv_world_free(world);
66 pthread_mutex_destroy(&worker_lock);
67 pthread_cond_destroy(&worker_ready);
70 void PluginLV2::reset_lv2()
73 if( inst ) lilv_instance_deactivate(inst);
74 lilv_instance_free(inst); inst = 0;
75 lilv_uis_free(lilv_uis); lilv_uis = 0;
77 lilv_node_free(lv2_InputPort); lv2_InputPort = 0;
78 lilv_node_free(lv2_OutputPort); lv2_OutputPort = 0;
79 lilv_node_free(lv2_AudioPort); lv2_AudioPort = 0;
80 lilv_node_free(lv2_ControlPort); lv2_ControlPort = 0;
81 lilv_node_free(lv2_CVPort); lv2_CVPort = 0;
83 lilv_node_free(lv2_Optional); lv2_Optional = 0;
84 lilv_node_free(atom_AtomPort); atom_AtomPort = 0;
85 lilv_node_free(atom_Sequence); atom_Sequence = 0;
86 lilv_node_free(boundedBlockLength); boundedBlockLength = 0;
87 lilv_node_free(fixedBlockLength); fixedBlockLength = 0;
88 lilv_node_free(powerOf2BlockLength); powerOf2BlockLength = 0;
90 delete [] (char *)seq_out; seq_out = 0;
91 uri_table.remove_all_objects();
92 features.remove_all_objects(); ui_features = 0;
97 int PluginLV2::load_lv2(const char *path, char *title)
100 world = lilv_world_new();
102 printf("lv2: lilv_world_new failed\n");
105 lilv_world_load_all(world);
108 LilvNode *uri = lilv_new_uri(world, path);
110 printf("lv2: lilv_new_uri(%s) failed\n", path);
114 const LilvPlugins *all_plugins = lilv_world_get_all_plugins(world);
115 lilv = lilv_plugins_get_by_uri(all_plugins, uri);
118 printf("lv2: lilv_plugins_get_by_uri (%s) failed\n", path);
123 LilvNode *name = lilv_plugin_get_name(lilv);
124 const char *nm = lilv_node_as_string(name);
125 sprintf(title, "L2_%s", nm);
126 lilv_node_free(name);
131 int PluginLV2::init_lv2(PluginLV2ClientConfig &conf, int sample_rate, int bfrsz)
134 double bps = 2. * sample_rate / bfrsz;
135 if( bps > refreshrate ) refreshrate = bps;
137 lv2_AudioPort = lilv_new_uri(world, LV2_CORE__AudioPort);
138 lv2_ControlPort = lilv_new_uri(world, LV2_CORE__ControlPort);
139 lv2_CVPort = lilv_new_uri(world, LV2_CORE__CVPort);
140 lv2_InputPort = lilv_new_uri(world, LV2_CORE__InputPort);
141 lv2_OutputPort = lilv_new_uri(world, LV2_CORE__OutputPort);
142 lv2_Optional = lilv_new_uri(world, LV2_CORE__connectionOptional);
143 atom_AtomPort = lilv_new_uri(world, LV2_ATOM__AtomPort);
144 atom_Sequence = lilv_new_uri(world, LV2_ATOM__Sequence);
145 powerOf2BlockLength = lilv_new_uri(world, LV2_BUF_SIZE__powerOf2BlockLength);
146 fixedBlockLength = lilv_new_uri(world, LV2_BUF_SIZE__fixedBlockLength);
147 boundedBlockLength = lilv_new_uri(world, LV2_BUF_SIZE__boundedBlockLength);
148 seq_out = (LV2_Atom_Sequence *) new char[sizeof(LV2_Atom_Sequence) + LV2_SEQ_SIZE];
150 conf.init_lv2(lilv, this);
151 nb_inputs = nb_outputs = 0;
153 for( int i=0; i<conf.nb_ports; ++i ) {
154 const LilvPort *lp = lilv_plugin_get_port_by_index(lilv, i);
156 int is_input = lilv_port_is_a(lilv, lp, lv2_InputPort);
157 if( !is_input && !lilv_port_is_a(lilv, lp, lv2_OutputPort) &&
158 !lilv_port_has_property(lilv, lp, lv2_Optional) ) {
159 printf("lv2: not input, not output, and not optional: %s\n", conf.names[i]);
162 if( is_input && lilv_port_is_a(lilv, lp, lv2_ControlPort) ) {
163 conf.append(new PluginLV2Client_Opt(&conf, i));
166 if( lilv_port_is_a(lilv, lp, lv2_AudioPort) ||
167 lilv_port_is_a(lilv, lp, lv2_CVPort ) ) {
168 if( is_input ) ++nb_inputs; else ++nb_outputs;
173 uri_map.handle = (LV2_URID_Map_Handle)this;
174 uri_map.map = map_uri;
175 features.append(new Lv2Feature(LV2_URID__map, &uri_map));
176 uri_unmap.handle = (LV2_URID_Unmap_Handle)this;
177 uri_unmap.unmap = unmap_uri;
178 features.append(new Lv2Feature(LV2_URID__unmap, &uri_unmap));
179 features.append(new Lv2Feature(LV2_BUF_SIZE__powerOf2BlockLength, 0));
180 features.append(new Lv2Feature(LV2_BUF_SIZE__fixedBlockLength, 0));
181 features.append(new Lv2Feature(LV2_BUF_SIZE__boundedBlockLength, 0));
182 features.append(new Lv2Feature(LV2_WORKER__schedule, &schedule));
184 if( sample_rate < 64 ) sample_rate = samplerate;
186 atom_int = uri_table.map(LV2_ATOM__Int);
187 atom_float = uri_table.map(LV2_ATOM__Float);
188 param_sampleRate = uri_table.map(LV2_PARAMETERS__sampleRate);
189 bufsz_minBlockLength = uri_table.map(LV2_BUF_SIZE__minBlockLength);
190 bufsz_maxBlockLength = uri_table.map(LV2_BUF_SIZE__maxBlockLength);
191 bufsz_sequenceSize = uri_table.map(LV2_BUF_SIZE__sequenceSize);
192 ui_updateRate = uri_table.map(LV2_UI__updateRate);
194 samplerate = sample_rate;
195 options.add(param_sampleRate, sizeof(float), atom_float, &samplerate);
196 if( min_block_length > bfrsz ) min_block_length = bfrsz;
197 options.add(bufsz_minBlockLength, sizeof(int), atom_int, &min_block_length);
198 block_length = bfrsz;
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);
204 features.append(new Lv2Feature(LV2_OPTIONS__options, &options[0]));
207 inst = lilv_plugin_instantiate(lilv, sample_rate, features);
209 printf("lv2: lilv_plugin_instantiate failed\n");
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);
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;
229 uint32_t PluginLV2::map_uri(LV2_URID_Map_Handle handle, const char *uri)
231 PluginLV2 *the = (PluginLV2 *)handle;
232 return the->uri_table.map(uri);
235 const char *PluginLV2::unmap_uri(LV2_URID_Unmap_Handle handle, LV2_URID urid)
237 PluginLV2 *the = (PluginLV2 *)handle;
238 return the->uri_table.unmap(urid);
241 void PluginLV2::connect_ports(PluginLV2ClientConfig &conf, int ports)
243 int ich = 0, och = 0;
244 for( int i=0; i<conf.nb_ports; ++i ) {
245 const LilvPort *lp = lilv_plugin_get_port_by_index(lilv, i);
247 int port = conf.ports[i];
248 if( !(port & ports) ) continue;
249 if( (port & PORTS_CONTROL) ) {
250 lilv_instance_connect_port(inst, i, &conf.ctls[i]);
253 if( (port & PORTS_AUDIO) ) {
254 if( (port & PORTS_INPUT) ) {
255 lilv_instance_connect_port(inst, i, in_buffers[ich]);
258 else if( (port & PORTS_OUTPUT) ) {
259 lilv_instance_connect_port(inst, i, out_buffers[och]);
264 if( (port & PORTS_ATOM) ) {
265 if( (port & PORTS_INPUT) )
266 lilv_instance_connect_port(inst, i, &seq_in);
268 lilv_instance_connect_port(inst, i, seq_out);
273 seq_in[0].atom.size = sizeof(LV2_Atom_Sequence_Body);
274 seq_in[0].atom.type = uri_table.map(LV2_ATOM__Sequence);
275 seq_in[1].atom.size = 0;
276 seq_in[1].atom.type = 0;
277 seq_out->atom.size = LV2_SEQ_SIZE;
278 seq_out->atom.type = uri_table.map(LV2_ATOM__Chunk);
281 void PluginLV2::del_buffer()
286 delete [] in_buffers; in_buffers = 0;
287 delete [] out_buffers; out_buffers = 0;
290 void PluginLV2::new_buffer(int64_t sz)
293 if( use_shm ) { // currently, always uses shm
294 shmid = shmget(IPC_PRIVATE, sz, IPC_CREAT | 0777);
296 bp = (unsigned char*)shmat(shmid, NULL, 0);
297 if( bp == (void *) -1 ) { perror("shmat"); bp = 0; }
298 shmctl(shmid, IPC_RMID, 0); // delete when last ref gone
301 perror("PluginLV2::allocate_buffer: shmget failed\n");
302 BC_Trace::dump_shm_stats(stdout);
306 shm_bfr = (shm_bfr_t *) bp;
307 if( shm_bfr ) shm_bfr->sz = sz;
310 shm_bfr_t *PluginLV2::shm_buffer(int shmid)
312 if( this->shmid != shmid ) {
313 if( this->shmid >= 0 ) {
314 shmdt(shm_bfr); this->shmid = -1;
318 shm_bfr = (shm_bfr_t *)shmat(shmid, NULL, 0);
319 if( shm_bfr == (void *)-1 ) { perror("shmat"); shm_bfr = 0; }
320 this->shmid = shm_bfr ? shmid : -1;
326 void PluginLV2::init_buffer(int samples)
328 int64_t sz = sizeof(shm_bfr_t) +
329 sizeof(iport[0])*nb_inputs + sizeof(oport[0])*nb_outputs +
330 sizeof(*in_buffers[0]) *samples * nb_inputs +
331 sizeof(*out_buffers[0])*samples * nb_outputs;
334 if( shm_bfr->sz < sz ||
335 shm_bfr->nb_inputs != nb_inputs ||
336 shm_bfr->nb_outputs != nb_outputs )
343 shm_bfr->samples = samples;
345 shm_bfr->nb_inputs = nb_inputs;
346 shm_bfr->nb_outputs = nb_outputs;
354 // int samples, done;
355 // int nb_inputs, nb_outputs;
356 // int iport[nb_inputs],
357 // float in_buffers[samples][nb_inputs];
358 // int oport[nb_outputs];
359 // float out_buffers[samples][nb_outputs];
362 void PluginLV2::map_buffer()
364 uint8_t *bp = (uint8_t *)(shm_bfr + 1);
366 nb_inputs = shm_bfr->nb_inputs;
368 bp += sizeof(iport[0])*nb_inputs;
369 in_buffers = new float*[nb_inputs];
370 int samples = shm_bfr->samples;
371 for(int i=0; i<nb_inputs; ++i ) {
372 in_buffers[i] = (float *)bp;
373 bp += sizeof(*in_buffers[0])*samples;
376 nb_outputs = shm_bfr->nb_outputs;
378 bp += sizeof(oport[0])*nb_outputs;
379 out_buffers = new float*[nb_outputs];
380 for( int i=0; i<nb_outputs; ++i ) {
381 out_buffers[i] = (float *)bp;
382 bp += sizeof(*out_buffers[0])*samples;
389 PluginLV2Work::PluginLV2Work()
396 PluginLV2Work::~PluginLV2Work()
401 void PluginLV2Work::load(const void *vp, unsigned size)
405 data = new char[alloc=size];
407 memcpy(data, vp, used=size);
410 PluginLV2Work *PluginLV2::get_work()
412 // must hold worker_lock
413 if( !work_avail ) return new PluginLV2Work();
414 PluginLV2Work *wp = work_avail;
415 work_avail = wp->next; wp->next = 0;
419 void *PluginLV2::worker_func()
421 pthread_mutex_lock(&worker_lock);
422 pthread_mutex_unlock(&startup_lock);
424 while( !worker_done && !work_input )
425 pthread_cond_wait(&worker_ready, &worker_lock);
426 if( worker_done ) break;
427 PluginLV2Work *wp = work_input; work_input = wp->next;
429 pthread_mutex_unlock(&worker_lock);
430 worker_iface->work(inst, lv2_worker_respond, this, wp->used, wp->data);
431 pthread_mutex_lock(&worker_lock);
432 wp->next = work_avail; work_avail = wp;
434 pthread_mutex_unlock(&worker_lock);
437 void *PluginLV2::worker_func(void* vp)
439 PluginLV2 *the = (PluginLV2 *)vp;
440 return the->worker_func();
443 void PluginLV2::worker_start()
445 pthread_create(&worker_thread, 0, worker_func, this);
446 pthread_mutex_lock(&startup_lock);
449 void PluginLV2::worker_stop()
453 pthread_mutex_lock(&worker_lock);
454 pthread_cond_signal(&worker_ready);
455 pthread_mutex_unlock(&worker_lock);
456 pthread_join(worker_thread, 0);
459 work_stop(work_avail);
460 work_stop(work_input);
461 work_stop(work_output);
462 work_tail = &work_output;
465 void PluginLV2::work_stop(PluginLV2Work *&work)
468 PluginLV2Work *wp = work;
474 LV2_Worker_Status PluginLV2::worker_schedule(uint32_t inp_size, const void *inp_data)
477 if( !pthread_mutex_trylock(&worker_lock) ) {
478 PluginLV2Work *wp = get_work();
479 wp->load(inp_data, inp_size);
480 wp->next = work_input; work_input = wp;
481 pthread_cond_signal(&worker_ready);
482 pthread_mutex_unlock(&worker_lock);
485 else if( worker_iface )
486 worker_iface->work(inst, lv2_worker_respond, this, inp_size, inp_data);
487 return LV2_WORKER_SUCCESS;
489 LV2_Worker_Status PluginLV2::lv2_worker_schedule(LV2_Worker_Schedule_Handle vp,
490 uint32_t inp_size, const void *inp_data)
492 PluginLV2 *the = (PluginLV2 *)vp;
493 return the->worker_schedule(inp_size, inp_data);
496 LV2_Worker_Status PluginLV2::worker_respond(uint32_t out_size, const void *out_data)
498 pthread_mutex_lock(&worker_lock);
499 PluginLV2Work *wp = get_work();
500 wp->load(out_data, out_size);
501 *work_tail = wp; work_tail = &wp->next;
502 pthread_mutex_unlock(&worker_lock);
503 return LV2_WORKER_SUCCESS;
505 LV2_Worker_Status PluginLV2::lv2_worker_respond(LV2_Worker_Respond_Handle vp,
506 uint32_t out_size, const void *out_data)
508 PluginLV2 *the = (PluginLV2 *)vp;
509 return the->worker_respond(out_size, out_data);
512 void PluginLV2::worker_responses()
514 pthread_mutex_lock(&worker_lock);
515 while( work_output ) {
516 PluginLV2Work *rp = work_output;
517 if( !(work_output=rp->next) ) work_tail = &work_output;
518 pthread_mutex_unlock(&worker_lock);
519 worker_iface->work_response(inst, rp->used, rp->data);
520 pthread_mutex_lock(&worker_lock);
521 rp->next = work_avail; work_avail = rp;
523 pthread_mutex_unlock(&worker_lock);
527 #include "pluginlv2ui.h"
529 PluginLV2ChildUI::PluginLV2ChildUI()
537 PluginLV2ChildUI::~PluginLV2ChildUI()
542 void PluginLV2ChildUI::run()
544 ArrayList<char *> av;
545 av.set_array_delete();
547 const char *exec_path = File::get_cinlib_path();
548 snprintf(arg, sizeof(arg), "%s/%s", exec_path, "lv2ui");
549 av.append(cstrdup(arg));
550 sprintf(arg, "%d", child_fd);
551 av.append(cstrdup(arg));
552 sprintf(arg, "%d", parent_fd);
553 av.append(cstrdup(arg));
554 sprintf(arg, "%d", ppid);
555 av.append(cstrdup(arg));
557 execv(av[0], &av.values[0]);
558 fprintf(stderr, "execv failed: %s\n %m\n", av.values[0]);
559 av.remove_all_objects();
563 #define LV2_EXTERNAL_UI_URI__KX__Widget "http://kxstudio.sf.net/ns/lv2ext/external-ui#Widget"
565 PluginLV2UI::PluginLV2UI()
576 memset(&uri_map, 0, sizeof(uri_map));
577 memset(&uri_unmap, 0, sizeof(uri_unmap));
578 memset(&extui_host, 0, sizeof(extui_host));
579 wgt_type = LV2_EXTERNAL_UI_URI__KX__Widget;
580 gtk_type = LV2_UI__GtkUI;
584 PluginLV2UI::~PluginLV2UI ()