void play_music() { uint32_t counter=0; LV2_Atom_Forge_Frame midi_seq_frame; int buffer_processed = 0; const Lv2Plugin *plugin; plugin = lv2_world->plugin_list; DISABLE_IRQ(); lv2_port *output_left = new_lv2_port(lv2_audio_port, 1); lv2_port *output_right = new_lv2_port(lv2_audio_port, 2); lv2_port *midi_in = new_lv2_port(lv2_atom_port, 3); plugin->descriptor->connect_port(plugin->handle, midi_in->id, midi_in->buffer); plugin->descriptor->connect_port(plugin->handle, output_left->id, output_left->buffer); plugin->descriptor->connect_port(plugin->handle, output_right->id, output_right->buffer); lv2_atom_forge_set_buffer(&forge, midi_in->buffer, LV2_ATOM_BUFFER_SIZE); lv2_atom_forge_sequence_head(&forge, &midi_seq_frame, 0); init_midi_source(&forge); while (1) { DISABLE_IRQ(); if (!buffer_processed) { forge_midi_input(); lv2_atom_forge_pop(&forge, &midi_seq_frame); plugin->descriptor->run(plugin->handle, LV2_AUDIO_BUFFER_SIZE); lv2_atom_forge_set_buffer(&forge, midi_in->buffer, sizeof(uint8_t) * midi_in->buffer_sz); lv2_atom_forge_sequence_head(&forge, &midi_seq_frame, 0); buffer_processed = 1; } if (buffer_processed && audio_buffer_free_space() > LV2_AUDIO_BUFFER_SIZE * 2) { audio_buffer_write(output_left->buffer, output_right->buffer, output_left->buffer_sz); buffer_processed = 0; counter++; } ENABLE_IRQ(); } }
static void forge_message_kv (BITui* ui, LV2_URID uri, int key, float value) { uint8_t obj_buf[1024]; if (ui->disable_signals) return; lv2_atom_forge_set_buffer (&ui->forge, obj_buf, 1024); LV2_Atom* msg = forge_kvcontrolmessage (&ui->forge, &ui->uris, uri, key, value); ui->write (ui->controller, 0, lv2_atom_total_size (msg), ui->uris.atom_eventTransfer, msg); }
/** notify backend that UI is active: * request state and enable data-transmission */ static void ui_enable(LV2UI_Handle handle) { SFSUI* ui = (SFSUI*)handle; uint8_t obj_buf[64]; lv2_atom_forge_set_buffer(&ui->forge, obj_buf, 64); LV2_Atom_Forge_Frame frame; lv2_atom_forge_frame_time(&ui->forge, 0); LV2_Atom* msg = (LV2_Atom*)x_forge_object(&ui->forge, &frame, 1, ui->uris.ui_on); lv2_atom_forge_pop(&ui->forge, &frame); ui->write(ui->controller, 0, lv2_atom_total_size(msg), ui->uris.atom_eventTransfer, msg); }
static inline void _write_event(UI *ui, chimaera_event_t *cev) { uint8_t buf[512]; lv2_atom_forge_set_buffer(&ui->cforge.forge, buf, 512); chimaera_event_forge(&ui->cforge, cev); ui->write_function(ui->controller, ui->control_port, ui->cforge.forge.offset, ui->uris.event_transfer, buf); }
/** Callback for preset combobox changed */ static void on_changed(GtkWidget *widget, void *handle) { FluidUI *self = (FluidUI *)handle; uint8_t obj_buf[OBJ_BUF_SIZE]; int selected = gtk_combo_box_get_active((GtkComboBox *)widget); lv2_atom_forge_set_buffer(&self->forge, obj_buf, OBJ_BUF_SIZE); LV2_Atom *patch_set = write_patch_set(&self->forge, &self->uris, selected); /* Send preset setting to synth plugin */ self->write(self->controller, INPUT_PORT, lv2_atom_total_size(patch_set), self->uris.atom_event_transfer, patch_set); }
/** Instantiate the user interface */ static LV2UI_Handle instantiate(const LV2UI_Descriptor *descriptor, const char *plugin_uri, const char *bundle_path, LV2UI_Write_Function write_function, LV2UI_Controller controller, LV2UI_Widget *widget, const LV2_Feature *const *features) { /* Create object data */ FluidUI *self = malloc(sizeof(FluidUI)); self->write = write_function; self->controller = controller; for (int i = 0; features[i]; i++) { if (strcmp(features[i]->URI, LV2_URID__map) == 0) self->map = (LV2_URID_Map *)features[i]->data; } map_uris(self->map, &self->uris); lv2_atom_forge_init(&self->forge, self->map); /* Create GUI */ self->box = gtk_hbox_new(FALSE, 4); self->label = gtk_label_new("Preset"); self->combo_box = gtk_combo_box_text_new(); get_presets(self); gtk_box_pack_start(GTK_BOX(self->box), self->label, TRUE, TRUE, 4); gtk_box_pack_start(GTK_BOX(self->box), self->combo_box, FALSE, TRUE, 4); g_signal_connect(self->combo_box, "changed", G_CALLBACK(on_changed), self); *widget = self->box; /* Send patch get to synth plug to get current preset setting */ uint8_t obj_buf[OBJ_BUF_SIZE]; lv2_atom_forge_set_buffer(&self->forge, obj_buf, OBJ_BUF_SIZE); LV2_Atom *patch_get = write_patch_get(&self->forge, &self->uris); self->write(self->controller, INPUT_PORT, lv2_atom_total_size(patch_get), self->uris.atom_event_transfer, patch_get); return self; }
static void on_load_clicked(GtkWidget* widget, void* handle) { FeedbackSuppressorUI* ui = (FeedbackSuppressorUI*)handle; /* Create a dialog to select a sample file. */ GtkWidget* dialog = gtk_file_chooser_dialog_new( "Load Sample", NULL, GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL); GtkFileFilter *filter = gtk_file_filter_new(); gtk_file_filter_set_name(filter, "Filter Lists"); gtk_file_filter_add_pattern(filter,"*.ofs"); gtk_file_chooser_add_filter((GtkFileChooser *) dialog,filter); /* Run the dialog, and return if it is cancelled. */ if (gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_ACCEPT) { gtk_widget_destroy(dialog); return; } /* Get the file path from the dialog. */ char* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog)); /* Got what we need, destroy the dialog and filter. */ gtk_widget_destroy(dialog); #define OBJ_BUF_SIZE 1024 uint8_t obj_buf[OBJ_BUF_SIZE]; lv2_atom_forge_set_buffer(&ui->forge, obj_buf, OBJ_BUF_SIZE); LV2_Atom* msg = write_set_file(&ui->forge, &ui->uris, filename, strlen(filename)); ui->write(ui->controller, 0, lv2_atom_total_size(msg), ui->uris.atom_eventTransfer, msg); g_free(filename); }
static void run(LV2_Handle handle, uint32_t n_samples) { SiSco* self = (SiSco*)handle; const uint32_t size = (sizeof(float) * n_samples + 80) * self->n_channels; const uint32_t capacity = self->notify->atom.size; bool capacity_ok = true; /* check if atom-port buffer is large enough to hold * all audio-samples and configuration settings */ if (capacity < size + 216 + self->n_channels * 16) { capacity_ok = false; if (!self->printed_capacity_warning) { fprintf(stderr, "SiSco.lv2 error: LV2 comm-buffersize is insufficient %d/%d bytes.\n", capacity, size + 216 + self->n_channels * 16); self->printed_capacity_warning = true; } } /* prepare forge buffer and initialize atom-sequence */ lv2_atom_forge_set_buffer(&self->forge, (uint8_t*)self->notify, capacity); lv2_atom_forge_sequence_head(&self->forge, &self->frame, 0); /* Send settings to UI */ if (self->send_settings_to_ui && self->ui_active) { self->send_settings_to_ui = false; /* forge container object of type 'ui_state' */ LV2_Atom_Forge_Frame frame; lv2_atom_forge_frame_time(&self->forge, 0); x_forge_object(&self->forge, &frame, 1, self->uris.ui_state); /* forge attributes for 'ui_state' */ lv2_atom_forge_property_head(&self->forge, self->uris.samplerate, 0); lv2_atom_forge_float(&self->forge, capacity_ok ? self->rate : 0); lv2_atom_forge_property_head(&self->forge, self->uris.ui_state_grid, 0); lv2_atom_forge_int(&self->forge, self->ui_grid); lv2_atom_forge_property_head(&self->forge, self->uris.ui_state_trig, 0); lv2_atom_forge_vector(&self->forge, sizeof(float), self->uris.atom_Float, sizeof(struct triggerstate) / sizeof(float), &self->triggerstate); lv2_atom_forge_property_head(&self->forge, self->uris.ui_state_curs, 0); lv2_atom_forge_vector(&self->forge, sizeof(int32_t), self->uris.atom_Int, sizeof(struct cursorstate) / sizeof(int32_t), &self->cursorstate); lv2_atom_forge_property_head(&self->forge, self->uris.ui_state_chn, 0); lv2_atom_forge_vector(&self->forge, sizeof(float), self->uris.atom_Float, self->n_channels * sizeof(struct channelstate) / sizeof(float), self->channelstate); lv2_atom_forge_property_head(&self->forge, self->uris.ui_state_misc, 0); lv2_atom_forge_int(&self->forge, self->ui_misc); /* close-off frame */ lv2_atom_forge_pop(&self->forge, &frame); } /* Process incoming events from GUI */ if (self->control) { LV2_Atom_Event* ev = lv2_atom_sequence_begin(&(self->control)->body); /* for each message from UI... */ while(!lv2_atom_sequence_is_end(&(self->control)->body, (self->control)->atom.size, ev)) { /* .. only look at atom-events.. */ if (ev->body.type == self->uris.atom_Blank || ev->body.type == self->uris.atom_Object) { const LV2_Atom_Object* obj = (LV2_Atom_Object*)&ev->body; /* interpret atom-objects: */ if (obj->body.otype == self->uris.ui_on) { /* UI was activated */ self->ui_active = true; self->send_settings_to_ui = true; } else if (obj->body.otype == self->uris.ui_off) { /* UI was closed */ self->ui_active = false; } else if (obj->body.otype == self->uris.ui_state) { /* UI sends current settings */ const LV2_Atom* grid = NULL; const LV2_Atom* trig = NULL; const LV2_Atom* curs = NULL; const LV2_Atom* misc = NULL; const LV2_Atom* chn = NULL; lv2_atom_object_get(obj, self->uris.ui_state_grid, &grid, self->uris.ui_state_trig, &trig, self->uris.ui_state_curs, &curs, self->uris.ui_state_misc, &misc, self->uris.ui_state_chn, &chn, 0); if (grid && grid->type == self->uris.atom_Int) { self->ui_grid = ((LV2_Atom_Int*)grid)->body; } if (misc && misc->type == self->uris.atom_Int) { self->ui_misc = ((LV2_Atom_Int*)misc)->body; } if (trig && trig->type == self->uris.atom_Vector) { LV2_Atom_Vector *vof = (LV2_Atom_Vector*)LV2_ATOM_BODY(trig); if (vof->atom.type == self->uris.atom_Float) { struct triggerstate *ts = (struct triggerstate *) LV2_ATOM_BODY(&vof->atom); memcpy(&self->triggerstate, ts, sizeof(struct triggerstate)); } } if (curs && curs->type == self->uris.atom_Vector) { LV2_Atom_Vector *vof = (LV2_Atom_Vector*)LV2_ATOM_BODY(curs); if (vof->atom.type == self->uris.atom_Int) { struct cursorstate *cs = (struct cursorstate *) LV2_ATOM_BODY(&vof->atom); memcpy(&self->cursorstate, cs, sizeof(struct cursorstate)); } } if (chn && chn->type == self->uris.atom_Vector) { LV2_Atom_Vector *vof = (LV2_Atom_Vector*)LV2_ATOM_BODY(chn); if (vof->atom.type == self->uris.atom_Float) { struct channelstate *cs = (struct channelstate *) LV2_ATOM_BODY(&vof->atom); memcpy(self->channelstate, cs, self->n_channels * sizeof(struct channelstate)); } } } } ev = lv2_atom_sequence_next(ev); } } /* process audio data */ for (uint32_t c = 0; c < self->n_channels; ++c) { if (self->ui_active && capacity_ok) { /* if UI is active, send raw audio data to UI */ tx_rawaudio(&self->forge, &self->uris, c, n_samples, self->input[c]); } /* if not processing in-place, forward audio */ if (self->input[c] != self->output[c]) { memcpy(self->output[c], self->input[c], sizeof(float) * n_samples); } } /* close off atom-sequence */ lv2_atom_forge_pop(&self->forge, &self->frame); }
static void run(LV2_Handle instance, uint32_t n_samples) { B3S* b3s = (B3S*)instance; float* audio[2]; audio[0] = b3s->outL; audio[1] = b3s->outR; /* prepare outgoing MIDI */ const uint32_t capacity = b3s->midiout->atom.size; static bool warning_printed = false; if (!warning_printed && capacity < 4096) { warning_printed = true; fprintf(stderr, "B3LV2: LV message buffer is only %d bytes. Expect problems.\n", capacity); fprintf(stderr, "B3LV2: if your LV2 host allows one to configure a buffersize use at least 4kBytes.\n"); } lv2_atom_forge_set_buffer(&b3s->forge, (uint8_t*)b3s->midiout, capacity); lv2_atom_forge_sequence_head(&b3s->forge, &b3s->frame, 0); uint32_t written = 0; if (b3s->queue_panic) { b3s->queue_panic = 0; midi_panic(b3s->inst); } /* Process incoming events from GUI and handle MIDI events */ if (b3s->midiin) { LV2_Atom_Event* ev = lv2_atom_sequence_begin(&(b3s->midiin)->body); while(!lv2_atom_sequence_is_end(&(b3s->midiin)->body, (b3s->midiin)->atom.size, ev)) { if (ev->body.type == b3s->uris.midi_MidiEvent) { /* process midi messages from player */ if (written + BUFFER_SIZE_SAMPLES < ev->time.frames && ev->time.frames < n_samples) { /* first syntheize sound up until the message timestamp */ written = synthSound(b3s, written, ev->time.frames, audio); } /* send midi message to synth, CC's will trigger hook -> update GUI */ parse_raw_midi_data(b3s->inst, (uint8_t*)(ev+1), ev->body.size); } else if (ev->body.type == b3s->uris.atom_Blank || ev->body.type == b3s->uris.atom_Object) { /* process messages from GUI */ const LV2_Atom_Object* obj = (LV2_Atom_Object*)&ev->body; if (obj->body.otype == b3s->uris.sb3_uiinit) { b3s->update_gui_now = 1; } else if (obj->body.otype == b3s->uris.sb3_uimccquery) { midi_loopCCAssignment(b3s->inst->midicfg, 7, mcc_cb, b3s); } else if (obj->body.otype == b3s->uris.sb3_uimccset) { const LV2_Atom* cmd = NULL; const LV2_Atom* flags = NULL; lv2_atom_object_get(obj, b3s->uris.sb3_cckey, &flags, b3s->uris.sb3_ccval, &cmd, 0); if (cmd && flags) { midi_uiassign_cc(b3s->inst->midicfg, (const char*)LV2_ATOM_BODY(cmd), ((LV2_Atom_Int*)flags)->body); } } else if (obj->body.otype == b3s->uris.sb3_midipgm) { const LV2_Atom* key = NULL; lv2_atom_object_get(obj, b3s->uris.sb3_cckey, &key, 0); if (key) { installProgram(b3s->inst, ((LV2_Atom_Int*)key)->body); } } else if (obj->body.otype == b3s->uris.sb3_midisavepgm) { const LV2_Atom* pgm = NULL; const LV2_Atom* name = NULL; lv2_atom_object_get(obj, b3s->uris.sb3_cckey, &pgm, b3s->uris.sb3_ccval, &name, 0); if (pgm && name) { saveProgramm(b3s->inst, (int) ((LV2_Atom_Int*)pgm)->body, (char*) LV2_ATOM_BODY(name), 0); b3s->update_pgm_now = 1; } } else if (obj->body.otype == b3s->uris.sb3_loadpgm) { iowork(b3s, obj, CMD_LOADPGM); } else if (obj->body.otype == b3s->uris.sb3_loadcfg) { iowork(b3s, obj, CMD_LOADCFG); } else if (obj->body.otype == b3s->uris.sb3_savepgm) { iowork(b3s, obj, CMD_SAVEPGM); } else if (obj->body.otype == b3s->uris.sb3_savecfg) { iowork(b3s, obj, CMD_SAVECFG); } else if (obj->body.otype == b3s->uris.sb3_cfgstr) { if (!b3s->inst_offline) { advanced_config_set(b3s, obj); } } else if (obj->body.otype == b3s->uris.sb3_control) { b3s->suspend_ui_msg = 1; const LV2_Atom_Object* obj = (LV2_Atom_Object*)&ev->body; char *k; int v; if (!get_cc_key_value(&b3s->uris, obj, &k, &v)) { #ifdef DEBUGPRINT fprintf(stderr, "B3LV2: callMIDIControlFunction(..,\"%s\", %d);\n", k, v); #endif callMIDIControlFunction(b3s->inst->midicfg, k, v); } b3s->suspend_ui_msg = 0; } } ev = lv2_atom_sequence_next(ev); } } /* synthesize [remaining] sound */ synthSound(b3s, written, n_samples, audio); /* send active keys to GUI - IFF changed */ bool keychanged = false; for (int i = 0 ; i < MAX_KEYS/32; ++i) { if (b3s->active_keys[i] != b3s->inst->synth->_activeKeys[i]) { keychanged = true; } b3s->active_keys[i] = b3s->inst->synth->_activeKeys[i]; } if (keychanged) { LV2_Atom_Forge_Frame frame; lv2_atom_forge_frame_time(&b3s->forge, 0); x_forge_object(&b3s->forge, &frame, 1, b3s->uris.sb3_activekeys); lv2_atom_forge_property_head(&b3s->forge, b3s->uris.sb3_keyarrary, 0); lv2_atom_forge_vector(&b3s->forge, sizeof(unsigned int), b3s->uris.atom_Int, MAX_KEYS/32, b3s->active_keys); lv2_atom_forge_pop(&b3s->forge, &frame); } /* check for new instances */ postrun(b3s); if (b3s->update_gui_now) { b3s->update_gui_now = 0; b3s->update_pgm_now = 1; b3s->suspend_ui_msg = 1; rc_loop_state(b3s->inst->state, rc_cb, b3s); b3s->suspend_ui_msg = 0; forge_kvconfigmessage(&b3s->forge, &b3s->uris, b3s->uris.sb3_cfgkv, "lv2.info", b3s->lv2nfo); forge_kvcontrolmessage(&b3s->forge, &b3s->uris, "special.init", (int32_t) b3s->thirtysec); } else if (b3s->update_pgm_now) { b3s->update_pgm_now = 0; loopProgammes(b3s->inst->progs, 1, pgm_cb, b3s); } }
// rt static int _process(jack_nframes_t nsamples, void *data) { prog_t *handle = data; bin_t *bin = &handle->bin; sp_app_t *app = bin->app; #if defined(JACK_HAS_CYCLE_TIMES) clock_gettime(CLOCK_REALTIME, &handle->ntp); handle->ntp.tv_sec += JAN_1970; // convert NTP to OSC time jack_nframes_t offset = jack_frames_since_cycle_start(handle->client); float T; jack_get_cycle_times(handle->client, &handle->cycle.cur_frames, &handle->cycle.cur_usecs, &handle->cycle.nxt_usecs, &T); (void)T; handle->cycle.ref_frames = handle->cycle.cur_frames + offset; // calculate apparent period double diff = 1e-6 * (handle->cycle.nxt_usecs - handle->cycle.cur_usecs); // calculate apparent samples per period handle->cycle.dT = nsamples / diff; handle->cycle.dTm1 = 1.0 / handle->cycle.dT; #endif // get transport position jack_position_t pos; jack_transport_state_t rolling = jack_transport_query(handle->client, &pos) == JackTransportRolling; int trans_changed = (rolling != handle->trans.rolling) || (pos.frame != handle->trans.frame) || (pos.beats_per_bar != handle->trans.beats_per_bar) || (pos.beat_type != handle->trans.beat_type) || (pos.ticks_per_beat != handle->trans.ticks_per_beat) || (pos.beats_per_minute != handle->trans.beats_per_minute); const size_t sample_buf_size = sizeof(float) * nsamples; const sp_app_system_source_t *sources = sp_app_get_system_sources(app); const sp_app_system_sink_t *sinks = sp_app_get_system_sinks(app); if(sp_app_bypassed(app)) // aka loading state { //fprintf(stderr, "app is bypassed\n"); // clear output buffers for(const sp_app_system_sink_t *sink=sinks; sink->type != SYSTEM_PORT_NONE; sink++) { switch(sink->type) { case SYSTEM_PORT_NONE: case SYSTEM_PORT_CONTROL: case SYSTEM_PORT_COM: break; case SYSTEM_PORT_AUDIO: case SYSTEM_PORT_CV: { void *out_buf = jack_port_get_buffer(sink->sys_port, nsamples); memset(out_buf, 0x0, sample_buf_size); break; } case SYSTEM_PORT_MIDI: case SYSTEM_PORT_OSC: { void *out_buf = jack_port_get_buffer(sink->sys_port, nsamples); jack_midi_clear_buffer(out_buf); break; } } } bin_process_pre(bin, nsamples, true); bin_process_post(bin); return 0; } //TODO use __builtin_assume_aligned // fill input buffers for(const sp_app_system_source_t *source=sources; source->type != SYSTEM_PORT_NONE; source++) { switch(source->type) { case SYSTEM_PORT_NONE: case SYSTEM_PORT_CONTROL: break; case SYSTEM_PORT_AUDIO: case SYSTEM_PORT_CV: { const void *in_buf = jack_port_get_buffer(source->sys_port, nsamples); memcpy(source->buf, in_buf, sample_buf_size); break; } case SYSTEM_PORT_MIDI: { void *in_buf = jack_port_get_buffer(source->sys_port, nsamples); void *seq_in = source->buf; LV2_Atom_Forge *forge = &handle->forge; LV2_Atom_Forge_Frame frame; lv2_atom_forge_set_buffer(forge, seq_in, SEQ_SIZE); LV2_Atom_Forge_Ref ref = lv2_atom_forge_sequence_head(forge, &frame, 0); if(ref && trans_changed) ref = _trans_event(handle, forge, rolling, &pos); int n = jack_midi_get_event_count(in_buf); for(int i=0; i<n; i++) { jack_midi_event_t mev; jack_midi_event_get(&mev, in_buf, i); //add jack midi event to in_buf if(ref) ref = lv2_atom_forge_frame_time(forge, mev.time); if(ref) ref = lv2_atom_forge_atom(forge, mev.size, handle->midi_MidiEvent); if(ref) ref = lv2_atom_forge_raw(forge, mev.buffer, mev.size); if(ref) lv2_atom_forge_pad(forge, mev.size); } if(ref) lv2_atom_forge_pop(forge, &frame); else lv2_atom_sequence_clear(seq_in); break; } case SYSTEM_PORT_OSC: { void *in_buf = jack_port_get_buffer(source->sys_port, nsamples); void *seq_in = source->buf; LV2_Atom_Forge *forge = &handle->forge; LV2_Atom_Forge_Frame frame; lv2_atom_forge_set_buffer(forge, seq_in, SEQ_SIZE); LV2_Atom_Forge_Ref ref = lv2_atom_forge_sequence_head(forge, &frame, 0); if(ref && trans_changed) ref = _trans_event(handle, forge, rolling, &pos); int n = jack_midi_get_event_count(in_buf); for(int i=0; i<n; i++) { jack_midi_event_t mev; jack_midi_event_get(&mev, (void *)in_buf, i); //add jack osc event to in_buf if(osc_check_packet(mev.buffer, mev.size)) { if(ref) ref = lv2_atom_forge_frame_time(forge, mev.time); handle->ref = ref; osc_dispatch_method(mev.buffer, mev.size, methods, _bundle_in, _bundle_out, handle); ref = handle->ref; } } if(ref) lv2_atom_forge_pop(forge, &frame); else lv2_atom_sequence_clear(seq_in); break; } case SYSTEM_PORT_COM: { void *seq_in = source->buf; LV2_Atom_Forge *forge = &handle->forge; LV2_Atom_Forge_Frame frame; lv2_atom_forge_set_buffer(forge, seq_in, SEQ_SIZE); LV2_Atom_Forge_Ref ref = lv2_atom_forge_sequence_head(forge, &frame, 0); const LV2_Atom_Object *obj; size_t size; while((obj = varchunk_read_request(bin->app_from_com, &size))) { if(ref) ref = lv2_atom_forge_frame_time(forge, 0); if(ref) ref = lv2_atom_forge_raw(forge, obj, size); if(ref) lv2_atom_forge_pad(forge, size); varchunk_read_advance(bin->app_from_com); } if(ref) lv2_atom_forge_pop(forge, &frame); else lv2_atom_sequence_clear(seq_in); break; } } } // update transport state handle->trans.rolling = rolling; handle->trans.frame = rolling ? handle->trans.frame + nsamples : pos.frame; handle->trans.beats_per_bar = pos.beats_per_bar; handle->trans.beat_type = pos.beat_type; handle->trans.ticks_per_beat = pos.ticks_per_beat; handle->trans.beats_per_minute = pos.beats_per_minute; bin_process_pre(bin, nsamples, false); // fill output buffers for(const sp_app_system_sink_t *sink=sinks; sink->type != SYSTEM_PORT_NONE; sink++) { switch(sink->type) { case SYSTEM_PORT_NONE: case SYSTEM_PORT_CONTROL: break; case SYSTEM_PORT_AUDIO: case SYSTEM_PORT_CV: { void *out_buf = jack_port_get_buffer(sink->sys_port, nsamples); memcpy(out_buf, sink->buf, sample_buf_size); break; } case SYSTEM_PORT_MIDI: { void *out_buf = jack_port_get_buffer(sink->sys_port, nsamples); const LV2_Atom_Sequence *seq_out = sink->buf; // fill midi output buffer jack_midi_clear_buffer(out_buf); if(seq_out) { LV2_ATOM_SEQUENCE_FOREACH(seq_out, ev) { const LV2_Atom *atom = &ev->body; if(atom->type != handle->midi_MidiEvent) continue; // ignore non-MIDI events jack_midi_event_write(out_buf, ev->time.frames, LV2_ATOM_BODY_CONST(atom), atom->size); } } break; } case SYSTEM_PORT_OSC: { void *out_buf = jack_port_get_buffer(sink->sys_port, nsamples); const LV2_Atom_Sequence *seq_out = sink->buf; // fill midi output buffer jack_midi_clear_buffer(out_buf); if(seq_out) { LV2_ATOM_SEQUENCE_FOREACH(seq_out, ev) { const LV2_Atom_Object *obj = (const LV2_Atom_Object *)&ev->body; handle->osc_ptr = handle->osc_buf; handle->osc_end = handle->osc_buf + OSC_SIZE; osc_atom_event_unroll(&handle->oforge, obj, _bundle_push_cb, _bundle_pop_cb, _message_cb, handle); size_t size = handle->osc_ptr ? handle->osc_ptr - handle->osc_buf : 0; if(size) { jack_midi_event_write(out_buf, ev->time.frames, handle->osc_buf, size); } } } break; } case SYSTEM_PORT_COM: { const LV2_Atom_Sequence *seq_out = sink->buf; LV2_ATOM_SEQUENCE_FOREACH(seq_out, ev) { const LV2_Atom *atom = (const LV2_Atom *)&ev->body; // try do process events directly bin->advance_ui = sp_app_from_ui(bin->app, atom); if(!bin->advance_ui) // queue event in ringbuffer instead { //fprintf(stderr, "plugin ui direct is blocked\n"); void *ptr; size_t size = lv2_atom_total_size(atom); if((ptr = varchunk_write_request(bin->app_from_app, size))) { memcpy(ptr, atom, size); varchunk_write_advance(bin->app_from_app, size); } else { //fprintf(stderr, "app_from_ui ringbuffer full\n"); //FIXME } } } break; } } } bin_process_post(bin); return 0; }
/** Set the forge's buffer @param buf The buffer to use @param size The size of the buffer */ inline void set_buffer (uint8_t* buf, uint32_t size) { lv2_atom_forge_set_buffer (this, buf, size); }
/** ==== Run Method ==== */ static void run(LV2_Handle handle, uint32_t n_samples) { EgScope* self = (EgScope*)handle; /* Ensure notify port buffer is large enough to hold all audio-samples and configuration settings. A minimum size was requested in the .ttl file, but check here just to be sure. TODO: Explain these magic numbers. */ const size_t size = (sizeof(float) * n_samples + 64) * self->n_channels; const uint32_t space = self->notify->atom.size; if (space < size + 128) { /* Insufficient space, report error and do nothing. Note that a real-time production plugin mustn't call log functions in run(), but this can be useful for debugging and example purposes. */ lv2_log_error(&self->logger, "Buffer size is insufficient\n"); return; } // Prepare forge buffer and initialize atom-sequence lv2_atom_forge_set_buffer(&self->forge, (uint8_t*)self->notify, space); lv2_atom_forge_sequence_head(&self->forge, &self->frame, 0); /* Send settings to UI The plugin can continue to run while the UI is closed and re-opened. The state and settings of the UI are kept here and transmitted to the UI every time it asks for them or if the user initializes a 'load preset'. */ if (self->send_settings_to_ui && self->ui_active) { self->send_settings_to_ui = false; // Forge container object of type 'ui_state' LV2_Atom_Forge_Frame frame; lv2_atom_forge_frame_time(&self->forge, 0); lv2_atom_forge_object(&self->forge, &frame, 0, self->uris.ui_State); // Add UI state as properties lv2_atom_forge_key(&self->forge, self->uris.ui_spp); lv2_atom_forge_int(&self->forge, self->ui_spp); lv2_atom_forge_key(&self->forge, self->uris.ui_amp); lv2_atom_forge_float(&self->forge, self->ui_amp); lv2_atom_forge_key(&self->forge, self->uris.param_sampleRate); lv2_atom_forge_float(&self->forge, self->rate); lv2_atom_forge_pop(&self->forge, &frame); } // Process incoming events from GUI if (self->control) { const LV2_Atom_Event* ev = lv2_atom_sequence_begin( &(self->control)->body); // For each incoming message... while (!lv2_atom_sequence_is_end( &self->control->body, self->control->atom.size, ev)) { // If the event is an atom:Blank object if (ev->body.type == self->uris.atom_Blank) { const LV2_Atom_Object* obj = (const LV2_Atom_Object*)&ev->body; if (obj->body.otype == self->uris.ui_On) { // If the object is a ui-on, the UI was activated self->ui_active = true; self->send_settings_to_ui = true; } else if (obj->body.otype == self->uris.ui_Off) { // If the object is a ui-off, the UI was closed self->ui_active = false; } else if (obj->body.otype == self->uris.ui_State) { // If the object is a ui-state, it's the current UI settings const LV2_Atom* spp = NULL; const LV2_Atom* amp = NULL; lv2_atom_object_get(obj, self->uris.ui_spp, &spp, self->uris.ui_amp, &, 0); if (spp) { self->ui_spp = ((const LV2_Atom_Int*)spp)->body; } if (amp) { self->ui_amp = ((const LV2_Atom_Float*)amp)->body; } } } ev = lv2_atom_sequence_next(ev); } } // Process audio data for (uint32_t c = 0; c < self->n_channels; ++c) { if (self->ui_active) { // If UI is active, send raw audio data to UI tx_rawaudio(&self->forge, &self->uris, c, n_samples, self->input[c]); } // If not processing audio in-place, forward audio if (self->input[c] != self->output[c]) { memcpy(self->output[c], self->input[c], sizeof(float) * n_samples); } } // Close off sequence lv2_atom_forge_pop(&self->forge, &self->frame); }
static void run (LV2_Handle instance, uint32_t n_samples) { MidiMap* self = (MidiMap*)instance; if (!self->midiout || !self->midiin) { return; } /* prepare midiout port */ const uint32_t capacity = self->midiout->atom.size; lv2_atom_forge_set_buffer (&self->forge, (uint8_t*)self->midiout, capacity); lv2_atom_forge_sequence_head (&self->forge, &self->frame, 0); /* update internal frame counter (host only sends update on change) */ if (self->transport_rolling) { self->transport_frame += n_samples * self->transport_speed; } else { self->play_cnt = 0; } /* inform the GUI */ if (self->inform_ui) { self->inform_ui = false; inform_ui (self); } uint32_t gen_n_samples = 0; /* Process incoming midi events */ LV2_Atom_Event* ev = lv2_atom_sequence_begin (&(self->midiin)->body); while (!lv2_atom_sequence_is_end (&(self->midiin)->body, (self->midiin)->atom.size, ev)) { if (ev->body.type == self->uris.midi_MidiEvent) { /* generate signals until current time */ generate_until (self, gen_n_samples, ev->time.frames); gen_n_samples = ev->time.frames; /* process midi event */ filter_midimessage (self, ev->time.frames, (uint8_t*)(ev+1), ev->body.size); } else if (ev->body.type == self->uris.atom_Blank || ev->body.type == self->uris.atom_Object) { /* schedule loading config file */ const LV2_Atom_Object* obj = (LV2_Atom_Object*)&ev->body; if (obj->body.otype == self->uris.time_Position) { parse_host_transport (self, obj); } else if (obj->body.otype == self->uris.patch_Set) { self->schedule->schedule_work (self->schedule->handle, lv2_atom_total_size (&ev->body), &ev->body); } } ev = lv2_atom_sequence_next (ev); } /* generate remaining events */ generate_until (self, gen_n_samples, n_samples); /* keep track of position (for generator) */ self->monotonic_cnt += n_samples; if (self->transport_rolling) { self->play_cnt += n_samples; } /* report active rules */ *self->p_rulecount = self->rules ? self->rules->count : 0; }
int32_t notmain (uint32_t earlypc) { hardware_init(); int32_t samplerate = audio_init(); Lv2World *lv2_world = lv2_init(samplerate); led_init(); switch_init(); printf("\r\nPiTracker console\r\n"); printf("Samplerate: %d\r\n", samplerate); uint32_t inkey; uint32_t counter=0; LV2_Atom_Forge_Frame midi_seq_frame; int buffer_processed = 0; const Lv2Plugin *plugin; plugin = lv2_world->plugin_list; lv2_port *output_left = new_lv2_port(lv2_audio_port, 1); lv2_port *output_right = new_lv2_port(lv2_audio_port, 2); lv2_port *midi_in = new_lv2_port(lv2_atom_port, 3); plugin->descriptor->connect_port(plugin->handle, midi_in->id, midi_in->buffer); plugin->descriptor->connect_port(plugin->handle, output_left->id, output_left->buffer); plugin->descriptor->connect_port(plugin->handle, output_right->id, output_right->buffer); lv2_atom_forge_set_buffer(&forge, midi_in->buffer, LV2_ATOM_BUFFER_SIZE); lv2_atom_forge_sequence_head(&forge, &midi_seq_frame, 0); init_midi_source(&forge); while (1) { #ifdef DEBUG if(kbhit()) { inkey = readch(); //printf("%x", inkey); switch(inkey) { case 0x03: #ifdef RASPBERRY_PI printf("Rebooting\r\n"); usleep(2); reboot(); #else printf("Exiting\r\n"); close_keyboard(); exit(0); #endif break; case 0x31: if (plugin->next) plugin = plugin->next; else plugin = lv2_world->plugin_list; plugin->descriptor->connect_port(plugin->handle, midi_in->id, midi_in->buffer); plugin->descriptor->connect_port(plugin->handle, output_left->id, output_left->buffer); plugin->descriptor->connect_port(plugin->handle, output_right->id, output_right->buffer); break; case 0x0d: printf("\r\n"); break; default: putc(inkey, stdout); #ifdef LINUX fflush(stdout); #endif break; } } #endif if (!buffer_processed) { forge_midi_input(); lv2_atom_forge_pop(&forge, &midi_seq_frame); plugin->descriptor->run(plugin->handle, LV2_AUDIO_BUFFER_SIZE); lv2_atom_forge_set_buffer(&forge, midi_in->buffer, sizeof(uint8_t) * midi_in->buffer_sz); lv2_atom_forge_sequence_head(&forge, &midi_seq_frame, 0); buffer_processed = 1; } if (buffer_processed && audio_buffer_free_space() > LV2_AUDIO_BUFFER_SIZE * 2) { audio_buffer_write(output_left->buffer, output_right->buffer, output_left->buffer_sz); buffer_processed = 0; counter++; } } }
static void bim_run(LV2_Handle instance, uint32_t n_samples) { LV2meter* self = (LV2meter*)instance; const uint32_t capacity = self->notify->atom.size; assert(capacity > 920); lv2_atom_forge_set_buffer(&self->forge, (uint8_t*)self->notify, capacity); lv2_atom_forge_sequence_head(&self->forge, &self->frame, 0); if (self->send_state_to_ui && self->ui_active) { self->send_state_to_ui = false; forge_kvcontrolmessage(&self->forge, &self->uris, self->uris.mtr_control, CTL_SAMPLERATE, self->rate); } /* Process incoming events from GUI */ if (self->control) { LV2_Atom_Event* ev = lv2_atom_sequence_begin(&(self->control)->body); while(!lv2_atom_sequence_is_end(&(self->control)->body, (self->control)->atom.size, ev)) { if (ev->body.type == self->uris.atom_Blank || ev->body.type == self->uris.atom_Object) { const LV2_Atom_Object* obj = (LV2_Atom_Object*)&ev->body; if (obj->body.otype == self->uris.mtr_meters_on) { self->ui_active = true; self->send_state_to_ui = true; } else if (obj->body.otype == self->uris.mtr_meters_off) { self->ui_active = false; } else if (obj->body.otype == self->uris.mtr_meters_cfg) { int k; float v; get_cc_key_value(&self->uris, obj, &k, &v); switch (k) { case CTL_START: self->ebu_integrating = true; break; case CTL_PAUSE: self->ebu_integrating = false; break; case CTL_RESET: bim_reset(self); self->send_state_to_ui = true; break; case CTL_AVERAGE: self->bim_average = true; break; case CTL_WINDOWED: self->bim_average = false; break; default: break; } } } ev = lv2_atom_sequence_next(ev); } } #if 0 static uint32_t max_post = 0; if (self->notify->atom.size > max_post) { max_post = self->notify->atom.size; printf("new post parse: %d\n", max_post); } #endif /* process */ if (self->ebu_integrating && self->integration_time < 2147483647) { /* currently 'self->histS' is int32, * the max peak that can be recorded is 2^31, * for now we simply limit data-acquisition to at * most 2^31 points. */ if (self->integration_time > 2147483647 - n_samples) { self->integration_time = 2147483647; } else { for (uint32_t s = 0; s < n_samples; ++s) { float_stats(self, self->input[0] + s); } self->integration_time += n_samples; } } const int fps_limit = n_samples * ceil(self->rate / (5.f * n_samples)); // ~ 5fps self->radar_resync += n_samples; if (self->radar_resync >= fps_limit || self->send_state_to_ui) { self->radar_resync = self->radar_resync % fps_limit; if (self->ui_active && (self->ebu_integrating || self->send_state_to_ui)) { LV2_Atom_Forge_Frame frame; lv2_atom_forge_frame_time(&self->forge, 0); x_forge_object(&self->forge, &frame, 1, self->uris.bim_stats); lv2_atom_forge_property_head(&self->forge, self->uris.ebu_integr_time, 0); lv2_atom_forge_long(&self->forge, self->integration_time); lv2_atom_forge_property_head(&self->forge, self->uris.bim_zero, 0); lv2_atom_forge_int(&self->forge, self->bim_zero); lv2_atom_forge_property_head(&self->forge, self->uris.bim_pos, 0); lv2_atom_forge_int(&self->forge, self->bim_pos); lv2_atom_forge_property_head(&self->forge, self->uris.bim_max, 0); lv2_atom_forge_double(&self->forge, self->bim_max); lv2_atom_forge_property_head(&self->forge, self->uris.bim_min, 0); lv2_atom_forge_double(&self->forge, self->bim_min); lv2_atom_forge_property_head(&self->forge, self->uris.bim_nan, 0); lv2_atom_forge_int(&self->forge, self->bim_nan); lv2_atom_forge_property_head(&self->forge, self->uris.bim_inf, 0); lv2_atom_forge_int(&self->forge, self->bim_inf); lv2_atom_forge_property_head(&self->forge, self->uris.bim_den, 0); lv2_atom_forge_int(&self->forge, self->bim_den); lv2_atom_forge_property_head(&self->forge, self->uris.bim_data, 0); lv2_atom_forge_vector(&self->forge, sizeof(int32_t), self->uris.atom_Int, BIM_LAST, self->histS); lv2_atom_forge_pop(&self->forge, &frame); } if (self->ui_active) { LV2_Atom_Forge_Frame frame; lv2_atom_forge_frame_time(&self->forge, 0); x_forge_object(&self->forge, &frame, 1, self->uris.bim_information); lv2_atom_forge_property_head(&self->forge, self->uris.ebu_integrating, 0); lv2_atom_forge_bool(&self->forge, self->ebu_integrating); lv2_atom_forge_property_head(&self->forge, self->uris.bim_averaging, 0); lv2_atom_forge_bool(&self->forge, self->bim_average); lv2_atom_forge_pop(&self->forge, &frame); } if (!self->bim_average) { bim_clear (self); } } /* foward audio-data */ if (self->input[0] != self->output[0]) { memcpy(self->output[0], self->input[0], sizeof(float) * n_samples); } #if 0 //printf("forged %d bytes\n", self->notify->atom.size); static uint32_t max_cap = 0; if (self->notify->atom.size > max_cap) { max_cap = self->notify->atom.size; printf("new max: %d (of %d avail)\n", max_cap, capacity); } #endif }
static void run(LV2_Handle instance, uint32_t n_samples) { uint32_t i,c; BalanceControl* self = (BalanceControl*)instance; const float balance = *self->balance; const float trim = db_to_gain(*self->trim); float gain_left = 1.0; float gain_right = 1.0; const int ascnt = self->samplerate / UPDATE_FREQ; const uint32_t capacity = self->notify->atom.size; lv2_atom_forge_set_buffer(&self->forge, (uint8_t*)self->notify, capacity); lv2_atom_forge_sequence_head(&self->forge, &self->frame, 0); /* reset after state restore */ if (self->queue_stateswitch) { self->queue_stateswitch = 0; self->peak_integrate_pref = self->state[0] * self->samplerate; self->meter_falloff = self->state[1] / UPDATE_FREQ; self->peak_hold = self->state[2] * UPDATE_FREQ; self->peak_integrate_pref = MAX(0, self->peak_integrate_pref); self->peak_integrate_pref = MIN(self->peak_integrate_pref, self->peak_integrate_max); self->meter_falloff = MAX(0, self->meter_falloff); self->meter_falloff = MIN(self->meter_falloff, 1000); self->peak_hold = MAX(0, self->peak_hold); self->peak_hold = MIN(self->peak_hold, 60 * UPDATE_FREQ); reset_uicom(self); send_cfg_to_ui(self); } /* Process incoming events from GUI */ if (self->control) { LV2_Atom_Event* ev = lv2_atom_sequence_begin(&(self->control)->body); while(!lv2_atom_sequence_is_end(&(self->control)->body, (self->control)->atom.size, ev)) { if (ev->body.type == self->uris.atom_Blank || ev->body.type == self->uris.atom_Object) { const LV2_Atom_Object* obj = (LV2_Atom_Object*)&ev->body; if (obj->body.otype == self->uris.blc_meters_on) { if (self->uicom_active == 0) { reset_uicom(self); send_cfg_to_ui(self); self->uicom_active = 1; } } if (obj->body.otype == self->uris.blc_meters_off) { self->uicom_active = 0; } if (obj->body.otype == self->uris.blc_meters_cfg) { const LV2_Atom* key = NULL; const LV2_Atom* value = NULL; lv2_atom_object_get(obj, self->uris.blc_cckey, &key, self->uris.blc_ccval, &value, 0); if (value && key) { update_meter_cfg(self, ((LV2_Atom_Int*)key)->body, ((LV2_Atom_Float*)value)->body); } } } ev = lv2_atom_sequence_next(ev); } } /* pre-calculate parameters */ if (balance < 0) { gain_right = 1.0 + RAIL(balance, -1.0, 0.0); } else if (balance > 0) { gain_left = 1.0 - RAIL(balance, 0.0, 1.0); } switch ((int) *self->unitygain) { case 1: { /* maintain amplitude sum */ const double gaindiff = (gain_left - gain_right); gain_left = 1.0 + gaindiff; gain_right = 1.0 - gaindiff; } break; case 2: { /* equal power*/ if (balance < 0) { gain_right = MAX(.5, gain_right); gain_left = db_to_gain(-gain_to_db(gain_right)); } else { gain_left = MAX(.5, gain_left); gain_right = db_to_gain(-gain_to_db(gain_left)); } } case 0: /* 'tradidional' balance */ break; } if (*(self->phase[C_LEFT])) gain_left *=-1; if (*(self->phase[C_RIGHT])) gain_right *=-1; /* keep track of input levels -- only if GUI is visiable */ if (self->uicom_active) { for (c=0; c < CHANNELS; ++c) { for (i=0; i < n_samples; ++i) { /* input peak meter */ const float ps = fabsf(self->input[c][i]); if (ps > self->p_peak_in[c]) self->p_peak_in[c] = ps; if (self->peak_integrate_pref < 1) { const float psm = ps * ps; if (psm > self->p_peak_inM[c]) self->p_peak_inM[c] = psm; continue; } /* integrated level, peak */ const int pip = (self->peak_integrate_pos + i ) % self->peak_integrate_pref; const double p_sig = SQUARE(self->input[c][i]); self->p_peak_inP[c] += p_sig - self->p_peak_inPi[c][pip]; self->p_peak_inPi[c][pip] = p_sig; /* peak of integrated signal */ const float psm = self->p_peak_inP[c] / (double) self->peak_integrate_pref; if (psm > self->p_peak_inM[c]) self->p_peak_inM[c] = psm; } } } /* process audio -- delayline + balance & gain */ process_channel(self, gain_left * trim, C_LEFT, n_samples); process_channel(self, gain_right * trim, C_RIGHT, n_samples); /* swap/assign channels */ uint32_t pos = 0; if (self->c_monomode != (int) *self->monomode) { /* smooth change */ const uint32_t fade_len = (n_samples >= FADE_LEN) ? FADE_LEN : n_samples; for (; pos < fade_len; pos++) { const float gain = (float)pos / (float)fade_len; float x1[CHANNELS], x2[CHANNELS]; channel_map_change(self, self->c_monomode, pos, x1); channel_map_change(self, (int) *self->monomode, pos, x2); self->output[C_LEFT][pos] = x1[C_LEFT] * (1.0 - gain) + x2[C_LEFT] * gain; self->output[C_RIGHT][pos] = x1[C_RIGHT] * (1.0 - gain) + x2[C_RIGHT] * gain; } } channel_map(self, (int) *self->monomode, pos, n_samples); self->c_monomode = (int) *self->monomode; /* audio processing done */ if (!self->uicom_active) { return; } /* output peak meter */ for (c=0; c < CHANNELS; ++c) { for (i=0; i < n_samples; ++i) { /* peak */ const float ps = fabsf(self->output[c][i]); if (ps > self->p_peak_out[c]) self->p_peak_out[c] = ps; if (self->peak_integrate_pref < 1) { const float psm = ps * ps; if (psm > self->p_peak_outM[c]) self->p_peak_outM[c] = psm; continue; } /* integrated level, peak */ const int pip = (self->peak_integrate_pos + i ) % self->peak_integrate_pref; const double p_sig = SQUARE(self->output[c][i]); self->p_peak_outP[c] += p_sig - self->p_peak_outPi[c][pip]; self->p_peak_outPi[c][pip] = p_sig; /* peak of integrated signal */ const float psm = self->p_peak_outP[c] / (double) self->peak_integrate_pref; if (psm > self->p_peak_outM[c]) self->p_peak_outM[c] = psm; } } if (self->peak_integrate_pref > 0) { self->peak_integrate_pos = (self->peak_integrate_pos + n_samples ) % self->peak_integrate_pref; } /* simple output phase correlation */ for (i=0; i < n_samples; ++i) { const double p_pos = SQUARE(self->output[C_LEFT][i] + self->output[C_RIGHT][i]); const double p_neg = SQUARE(self->output[C_LEFT][i] - self->output[C_RIGHT][i]); /* integrate over 500ms */ self->p_phase_outP += p_pos - self->p_phase_outPi[self->phase_integrate_pos]; self->p_phase_outN += p_neg - self->p_phase_outNi[self->phase_integrate_pos]; self->p_phase_outPi[self->phase_integrate_pos] = p_pos; self->p_phase_outNi[self->phase_integrate_pos] = p_neg; self->phase_integrate_pos = (self->phase_integrate_pos + 1) % self->phase_integrate_max; } /* abs peak hold */ #define PKM(A,CHN,ID) \ { \ const float peak = VALTODB(self->p_peak_##A[CHN]); \ if (peak > self->p_max_##A[CHN]) { \ self->p_max_##A[CHN] = peak; \ self->p_tme_##A[CHN] = 0; \ forge_kvcontrolmessage(&self->forge, &self->uris, ID, self->p_max_##A[CHN]); \ } else if (self->peak_hold <= 0) { \ (self->p_tme_##A[CHN])=0; /* infinite hold */ \ } else if (self->p_tme_##A[CHN] <= self->peak_hold) { \ (self->p_tme_##A[CHN])++; \ } else if (self->meter_falloff == 0) { \ self->p_max_##A[CHN] = peak; \ forge_kvcontrolmessage(&self->forge, &self->uris, ID, self->p_max_##A[CHN]); \ } else { \ self->p_max_##A[CHN] -= self->meter_falloff; \ self->p_max_##A[CHN] = MAX(peak, self->p_max_##A[CHN]); \ forge_kvcontrolmessage(&self->forge, &self->uris, ID, self->p_max_##A[CHN]); \ } \ } /* RMS meter */ #define PKF(A,CHN,ID) \ { \ float dbp = VALTODB(sqrt(2.0 * self->p_peak_##A##M[CHN])); \ if (dbp > self->p_vpeak_##A[CHN]) { \ self->p_vpeak_##A[CHN] = dbp; \ } else if (self->meter_falloff == 0) { \ self->p_vpeak_##A[CHN] = dbp; \ } else { \ self->p_vpeak_##A[CHN] -= self->meter_falloff; \ self->p_vpeak_##A[CHN] = MAX(dbp, self->p_vpeak_##A[CHN]); \ } \ forge_kvcontrolmessage(&self->forge, &self->uris, ID, (self->p_vpeak_##A [CHN])); \ } /* report peaks to UI */ self->p_peakcnt += n_samples; if (self->p_peakcnt > ascnt) { PKF(in, C_LEFT, METER_IN_LEFT) PKF(in, C_RIGHT, METER_IN_RIGHT); PKF(out, C_LEFT, METER_OUT_LEFT); PKF(out, C_RIGHT, METER_OUT_RIGHT); PKM(in, C_LEFT, PEAK_IN_LEFT); PKM(in, C_RIGHT, PEAK_IN_RIGHT); PKM(out, C_LEFT, PEAK_OUT_LEFT); PKM(out, C_RIGHT, PEAK_OUT_RIGHT); #define RMSF(A) sqrt( ( (A) / (double)self->phase_integrate_max ) + 1.0e-12 ) double phase = 0.0; const double phasdiv = self->p_phase_outP + self->p_phase_outN; if (phasdiv >= 1.0e-6) { phase = (RMSF(self->p_phase_outP) - RMSF(self->p_phase_outN)) / RMSF(phasdiv); } else if (self->p_phase_outP > .001 && self->p_phase_outN > .001) { phase = 1.0; } forge_kvcontrolmessage(&self->forge, &self->uris, PHASE_OUT, phase); self->p_peakcnt -= ascnt; for (c=0; c < CHANNELS; ++c) { self->p_peak_in[c] = -INFINITY; self->p_peak_out[c] = -INFINITY; self->p_peak_inM[c] = -INFINITY; self->p_peak_outM[c] = -INFINITY; } } /* report values to UI - if changed*/ float bal = gain_to_db(fabsf(gain_left)); if (bal != self->p_bal[C_LEFT]) { forge_kvcontrolmessage(&self->forge, &self->uris, GAIN_LEFT, bal); } self->p_bal[C_LEFT] = bal; bal = gain_to_db(fabsf(gain_right)); if (bal != self->p_bal[C_RIGHT]) { forge_kvcontrolmessage(&self->forge, &self->uris, GAIN_RIGHT, bal); } self->p_bal[C_RIGHT] = bal; if (self->p_dly[C_LEFT] != self->c_dly[C_LEFT]) { forge_kvcontrolmessage(&self->forge, &self->uris, DELAY_LEFT, (float) self->c_dly[C_LEFT] / self->samplerate); } self->p_dly[C_LEFT] = self->c_dly[C_LEFT]; if (self->p_dly[C_RIGHT] != self->c_dly[C_RIGHT]) { forge_kvcontrolmessage(&self->forge, &self->uris, DELAY_RIGHT, (float) self->c_dly[C_RIGHT] / self->samplerate); } self->p_dly[C_RIGHT] = self->c_dly[C_RIGHT]; }