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 if( !nb_inputs || !nb_outputs ) {
174 printf(": Unsupported lv2 plugin, missing audio input or output\n");
179 uri_map.handle = (LV2_URID_Map_Handle)this;
180 uri_map.map = map_uri;
181 features.append(new Lv2Feature(LV2_URID__map, &uri_map));
182 uri_unmap.handle = (LV2_URID_Unmap_Handle)this;
183 uri_unmap.unmap = unmap_uri;
184 features.append(new Lv2Feature(LV2_URID__unmap, &uri_unmap));
185 features.append(new Lv2Feature(LV2_BUF_SIZE__powerOf2BlockLength, 0));
186 features.append(new Lv2Feature(LV2_BUF_SIZE__fixedBlockLength, 0));
187 features.append(new Lv2Feature(LV2_BUF_SIZE__boundedBlockLength, 0));
188 features.append(new Lv2Feature(LV2_WORKER__schedule, &schedule));
190 if( sample_rate < 64 ) sample_rate = samplerate;
192 atom_int = uri_table.map(LV2_ATOM__Int);
193 atom_float = uri_table.map(LV2_ATOM__Float);
194 param_sampleRate = uri_table.map(LV2_PARAMETERS__sampleRate);
195 bufsz_minBlockLength = uri_table.map(LV2_BUF_SIZE__minBlockLength);
196 bufsz_maxBlockLength = uri_table.map(LV2_BUF_SIZE__maxBlockLength);
197 bufsz_sequenceSize = uri_table.map(LV2_BUF_SIZE__sequenceSize);
198 ui_updateRate = uri_table.map(LV2_UI__updateRate);
200 samplerate = sample_rate;
201 options.add(param_sampleRate, sizeof(float), atom_float, &samplerate);
202 if( min_block_length > bfrsz ) min_block_length = bfrsz;
203 options.add(bufsz_minBlockLength, sizeof(int), atom_int, &min_block_length);
204 block_length = bfrsz;
205 options.add(bufsz_maxBlockLength, sizeof(int), atom_int, &block_length);
206 options.add(bufsz_sequenceSize, sizeof(int), atom_int, &midi_buf_size);
207 options.add(ui_updateRate, sizeof(float), atom_float, &refreshrate);
208 options.add(0, 0, 0, 0);
210 features.append(new Lv2Feature(LV2_OPTIONS__options, &options[0]));
213 inst = lilv_plugin_instantiate(lilv, sample_rate, features);
215 printf("lv2: lilv_plugin_instantiate failed\n");
219 // After instantiate, some plugins require fields to be filled in before
220 // activate is called. This is done via ConnectPort, which connects a
221 // port to a data structure in the host (CinGG). So these have to be
225 connect_ports(conf, PORTS_ALL);
227 const LV2_Descriptor *lilv_desc = inst->lv2_descriptor;
228 worker_iface = !lilv_desc->extension_data ? 0 :
229 (LV2_Worker_Interface*)lilv_desc->extension_data(LV2_WORKER__interface);
233 lilv_instance_activate(inst);
234 // not sure what to do with these
235 max_bufsz = nb_inputs &&
236 (lilv_plugin_has_feature(lilv, powerOf2BlockLength) ||
237 lilv_plugin_has_feature(lilv, fixedBlockLength) ||
238 lilv_plugin_has_feature(lilv, boundedBlockLength)) ? 4096 : 0;
243 uint32_t PluginLV2::map_uri(LV2_URID_Map_Handle handle, const char *uri)
245 PluginLV2 *the = (PluginLV2 *)handle;
246 return the->uri_table.map(uri);
249 const char *PluginLV2::unmap_uri(LV2_URID_Unmap_Handle handle, LV2_URID urid)
251 PluginLV2 *the = (PluginLV2 *)handle;
252 return the->uri_table.unmap(urid);
255 void PluginLV2::connect_ports(PluginLV2ClientConfig &conf, int ports)
257 int ich = 0, och = 0;
258 for( int i=0; i<conf.nb_ports; ++i ) {
259 const LilvPort *lp = lilv_plugin_get_port_by_index(lilv, i);
261 int port = conf.ports[i];
262 if( !(port & ports) ) continue;
263 if( (port & PORTS_CONTROL) ) {
264 lilv_instance_connect_port(inst, i, &conf.ctls[i]);
267 if( (port & PORTS_AUDIO) ) {
268 if( (port & PORTS_INPUT) ) {
269 lilv_instance_connect_port(inst, i, in_buffers[ich]);
272 else if( (port & PORTS_OUTPUT) ) {
273 lilv_instance_connect_port(inst, i, out_buffers[och]);
278 if( (port & PORTS_ATOM) ) {
279 if( (port & PORTS_INPUT) )
280 lilv_instance_connect_port(inst, i, &seq_in);
282 lilv_instance_connect_port(inst, i, seq_out);
287 seq_in[0].atom.size = sizeof(LV2_Atom_Sequence_Body);
288 seq_in[0].atom.type = uri_table.map(LV2_ATOM__Sequence);
289 seq_in[1].atom.size = 0;
290 seq_in[1].atom.type = 0;
291 seq_out->atom.size = LV2_SEQ_SIZE;
292 seq_out->atom.type = uri_table.map(LV2_ATOM__Chunk);
295 void PluginLV2::del_buffer()
300 delete [] in_buffers; in_buffers = 0;
301 delete [] out_buffers; out_buffers = 0;
304 void PluginLV2::new_buffer(int64_t sz)
307 if( use_shm ) { // currently, always uses shm
308 shmid = shmget(IPC_PRIVATE, sz, IPC_CREAT | 0777);
310 bp = (unsigned char*)shmat(shmid, NULL, 0);
311 if( bp == (void *) -1 ) { perror("shmat"); bp = 0; }
312 shmctl(shmid, IPC_RMID, 0); // delete when last ref gone
315 perror("PluginLV2::allocate_buffer: shmget failed\n");
316 BC_Trace::dump_shm_stats(stdout);
320 shm_bfr = (shm_bfr_t *) bp;
321 if( shm_bfr ) shm_bfr->sz = sz;
324 shm_bfr_t *PluginLV2::shm_buffer(int shmid)
326 if( this->shmid != shmid ) {
327 if( this->shmid >= 0 ) {
328 shmdt(shm_bfr); this->shmid = -1;
332 shm_bfr = (shm_bfr_t *)shmat(shmid, NULL, 0);
333 if( shm_bfr == (void *)-1 ) { perror("shmat"); shm_bfr = 0; }
334 this->shmid = shm_bfr ? shmid : -1;
340 void PluginLV2::init_buffer(int samples)
342 int64_t sz = sizeof(shm_bfr_t) +
343 sizeof(iport[0])*nb_inputs + sizeof(oport[0])*nb_outputs +
344 sizeof(*in_buffers[0]) *samples * nb_inputs +
345 sizeof(*out_buffers[0])*samples * nb_outputs;
348 if( shm_bfr->sz < sz ||
349 shm_bfr->nb_inputs != nb_inputs ||
350 shm_bfr->nb_outputs != nb_outputs )
357 shm_bfr->samples = samples;
359 shm_bfr->nb_inputs = nb_inputs;
360 shm_bfr->nb_outputs = nb_outputs;
368 // int samples, done;
369 // int nb_inputs, nb_outputs;
370 // int iport[nb_inputs],
371 // float in_buffers[samples][nb_inputs];
372 // int oport[nb_outputs];
373 // float out_buffers[samples][nb_outputs];
376 void PluginLV2::map_buffer()
378 uint8_t *bp = (uint8_t *)(shm_bfr + 1);
380 nb_inputs = shm_bfr->nb_inputs;
382 bp += sizeof(iport[0])*nb_inputs;
383 in_buffers = new float*[nb_inputs];
384 int samples = shm_bfr->samples;
385 for(int i=0; i<nb_inputs; ++i ) {
386 in_buffers[i] = (float *)bp;
387 bp += sizeof(*in_buffers[0])*samples;
390 nb_outputs = shm_bfr->nb_outputs;
392 bp += sizeof(oport[0])*nb_outputs;
393 out_buffers = new float*[nb_outputs];
394 for( int i=0; i<nb_outputs; ++i ) {
395 out_buffers[i] = (float *)bp;
396 bp += sizeof(*out_buffers[0])*samples;
403 PluginLV2Work::PluginLV2Work()
410 PluginLV2Work::~PluginLV2Work()
415 void PluginLV2Work::load(const void *vp, unsigned size)
419 data = new char[alloc=size];
421 memcpy(data, vp, used=size);
424 PluginLV2Work *PluginLV2::get_work()
426 // must hold worker_lock
427 if( !work_avail ) return new PluginLV2Work();
428 PluginLV2Work *wp = work_avail;
429 work_avail = wp->next; wp->next = 0;
433 void *PluginLV2::worker_func()
435 pthread_mutex_lock(&worker_lock);
436 pthread_mutex_unlock(&startup_lock);
438 while( !worker_done && !work_input )
439 pthread_cond_wait(&worker_ready, &worker_lock);
440 if( worker_done ) break;
441 PluginLV2Work *wp = work_input; work_input = wp->next;
443 pthread_mutex_unlock(&worker_lock);
444 worker_iface->work(inst, lv2_worker_respond, this, wp->used, wp->data);
445 pthread_mutex_lock(&worker_lock);
446 wp->next = work_avail; work_avail = wp;
448 pthread_mutex_unlock(&worker_lock);
451 void *PluginLV2::worker_func(void* vp)
453 PluginLV2 *the = (PluginLV2 *)vp;
454 return the->worker_func();
457 void PluginLV2::worker_start()
459 pthread_create(&worker_thread, 0, worker_func, this);
460 pthread_mutex_lock(&startup_lock);
463 void PluginLV2::worker_stop()
467 pthread_mutex_lock(&worker_lock);
468 pthread_cond_signal(&worker_ready);
469 pthread_mutex_unlock(&worker_lock);
470 pthread_join(worker_thread, 0);
473 work_stop(work_avail);
474 work_stop(work_input);
475 work_stop(work_output);
476 work_tail = &work_output;
479 void PluginLV2::work_stop(PluginLV2Work *&work)
482 PluginLV2Work *wp = work;
488 LV2_Worker_Status PluginLV2::worker_schedule(uint32_t inp_size, const void *inp_data)
491 if( !pthread_mutex_trylock(&worker_lock) ) {
492 PluginLV2Work *wp = get_work();
493 wp->load(inp_data, inp_size);
494 wp->next = work_input; work_input = wp;
495 pthread_cond_signal(&worker_ready);
496 pthread_mutex_unlock(&worker_lock);
499 else if( worker_iface )
500 worker_iface->work(inst, lv2_worker_respond, this, inp_size, inp_data);
501 return LV2_WORKER_SUCCESS;
503 LV2_Worker_Status PluginLV2::lv2_worker_schedule(LV2_Worker_Schedule_Handle vp,
504 uint32_t inp_size, const void *inp_data)
506 PluginLV2 *the = (PluginLV2 *)vp;
507 return the->worker_schedule(inp_size, inp_data);
510 LV2_Worker_Status PluginLV2::worker_respond(uint32_t out_size, const void *out_data)
512 pthread_mutex_lock(&worker_lock);
513 PluginLV2Work *wp = get_work();
514 wp->load(out_data, out_size);
515 *work_tail = wp; work_tail = &wp->next;
516 pthread_mutex_unlock(&worker_lock);
517 return LV2_WORKER_SUCCESS;
519 LV2_Worker_Status PluginLV2::lv2_worker_respond(LV2_Worker_Respond_Handle vp,
520 uint32_t out_size, const void *out_data)
522 PluginLV2 *the = (PluginLV2 *)vp;
523 return the->worker_respond(out_size, out_data);
526 void PluginLV2::worker_responses()
528 pthread_mutex_lock(&worker_lock);
529 while( work_output ) {
530 PluginLV2Work *rp = work_output;
531 if( !(work_output=rp->next) ) work_tail = &work_output;
532 pthread_mutex_unlock(&worker_lock);
533 worker_iface->work_response(inst, rp->used, rp->data);
534 pthread_mutex_lock(&worker_lock);
535 rp->next = work_avail; work_avail = rp;
537 pthread_mutex_unlock(&worker_lock);
541 #include "pluginlv2ui.h"
543 PluginLV2ChildUI::PluginLV2ChildUI()
551 PluginLV2ChildUI::~PluginLV2ChildUI()
556 void PluginLV2ChildUI::run()
558 ArrayList<char *> av;
559 av.set_array_delete();
561 const char *exec_path = File::get_cinlib_path();
562 snprintf(arg, sizeof(arg), "%s/%s", exec_path, "lv2ui");
563 av.append(cstrdup(arg));
564 sprintf(arg, "%d", child_fd);
565 av.append(cstrdup(arg));
566 sprintf(arg, "%d", parent_fd);
567 av.append(cstrdup(arg));
568 sprintf(arg, "%d", ppid);
569 av.append(cstrdup(arg));
571 execv(av[0], &av.values[0]);
572 fprintf(stderr, "execv failed: %s\n %m\n", av.values[0]);
573 av.remove_all_objects();
577 #define LV2_EXTERNAL_UI_URI__KX__Widget "http://kxstudio.sf.net/ns/lv2ext/external-ui#Widget"
579 PluginLV2UI::PluginLV2UI()
590 memset(&uri_map, 0, sizeof(uri_map));
591 memset(&uri_unmap, 0, sizeof(uri_unmap));
592 memset(&extui_host, 0, sizeof(extui_host));
593 wgt_type = LV2_EXTERNAL_UI_URI__KX__Widget;
594 gtk_type = LV2_UI__GtkUI;
598 PluginLV2UI::~PluginLV2UI ()