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) {
DrMrUi *ui = (DrMrUi*)malloc(sizeof(DrMrUi));
ui->write = write_function;
ui->controller = controller;
ui->drmr_widget = NULL;
ui->curKit = -1;
ui->samples = 0;
ui->bundle_path = g_strdup(bundle_path);
*widget = NULL;
build_drmr_ui(ui);
ui->kits = scan_kits();
ui->gain_quark = g_quark_from_string("drmr_gain_quark");
ui->pan_quark = g_quark_from_string("drmr_pan_quark");
ui->gain_sliders = NULL;
ui->pan_sliders = NULL;
// store previous gain/pan vals to re-apply to sliders when we
// change kits
ui->gain_vals = malloc(32*sizeof(float));
memset(ui->gain_vals,0,32*sizeof(float));
ui->pan_vals = malloc(32*sizeof(float));
memset(ui->pan_vals,0,32*sizeof(float));
ui->cols = 4;
ui->forceUpdate = false;
fill_kit_combo(ui->kit_combo, ui->kits);
#ifdef DRMR_UI_ZERO_SAMP
ui->startSamp = DRMR_UI_ZERO_SAMP;
#else
ui->startSamp = 0;
#endif
*widget = ui->drmr_widget;
return ui;
}
static LV2_Handle
instantiate(const LV2_Descriptor* descriptor,
double rate,
const char* bundle_path,
const LV2_Feature* const* features) {
int i;
DrMr* drmr = malloc(sizeof(DrMr));
drmr->map = NULL;
drmr->samples = NULL;
drmr->num_samples = 0;
drmr->curKit = -1;
drmr->rate = rate;
if (pthread_mutex_init(&drmr->load_mutex, 0)) {
fprintf(stderr, "Could not initialize load_mutex.\n");
free(drmr);
return 0;
}
if (pthread_cond_init(&drmr->load_cond, 0)) {
fprintf(stderr, "Could not initialize load_cond.\n");
free(drmr);
return 0;
}
// Map midi uri
while(*features) {
if (!strcmp((*features)->URI, LV2_URI_MAP_URI)) {
drmr->map = (LV2_URI_Map_Feature *)((*features)->data);
drmr->uris.midi_event = drmr->map->uri_to_id
(drmr->map->callback_data,
"http://lv2plug.in/ns/ext/event",
"http://lv2plug.in/ns/ext/midi#MidiEvent");
}
features++;
}
if (!drmr->map) {
fprintf(stderr, "LV2 host does not support uri-map.\n");
free(drmr);
return 0;
}
drmr->kits = scan_kits();
if (!drmr->kits) {
fprintf(stderr, "No drum kits found\n");
free(drmr);
return 0;
}
if (pthread_create(&drmr->load_thread, 0, load_thread, drmr)) {
fprintf(stderr, "Could not initialize loading thread.\n");
free(drmr);
return 0;
}
drmr->gains = malloc(32*sizeof(float*));
drmr->pans = malloc(32*sizeof(float*));
for(i = 0;i<32;i++) {
drmr->gains[i] = NULL;
drmr->pans[i] = NULL;
}
return (LV2_Handle)drmr;
}
