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Allow sample to be triggered by clicking on notification led

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This commit is contained in:
Nick Lanham
2012-03-27 16:34:12 +02:00
parent b5f2a60d44
commit 925f6b20a4
3 changed files with 63 additions and 22 deletions
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51
drmr.c
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@@ -212,6 +212,26 @@ static inline void layer_to_sample(drmr_sample *sample, float gain) {
sample->data = sample->layers[0].data;
}
static inline void trigger_sample(DrMr *drmr, int nn, uint8_t* const data) {
// need to mutex this to avoid getting the samples array
// changed after the check that the midi-note is valid
pthread_mutex_lock(&drmr->load_mutex);
if (nn >= 0 && nn < drmr->num_samples) {
if (drmr->samples[nn].layer_count > 0) {
layer_to_sample(drmr->samples+nn,*(drmr->gains[nn]));
if (drmr->samples[nn].limit == 0)
fprintf(stderr,"Failed to find layer at: %i for %f\n",nn,*drmr->gains[nn]);
}
if (data) {
lv2_atom_forge_frame_time(&drmr->forge, 0);
build_midi_info_message(drmr,data);
}
drmr->samples[nn].active = 1;
drmr->samples[nn].offset = 0;
}
pthread_mutex_unlock(&drmr->load_mutex);
}
#define DB3SCALE -0.8317830986718104f
#define DB3SCALEPO 1.8317830986718104f
// taken from lv2 example amp plugin
@@ -242,21 +262,7 @@ static void run(LV2_Handle instance, uint32_t n_samples) {
case 9: {
uint8_t nn = data[1];
nn-=baseNote;
// need to mutex this to avoid getting the samples array
// changed after the check that the midi-note is valid
pthread_mutex_lock(&drmr->load_mutex);
if (nn >= 0 && nn < drmr->num_samples) {
if (drmr->samples[nn].layer_count > 0) {
layer_to_sample(drmr->samples+nn,*(drmr->gains[nn]));
if (drmr->samples[nn].limit == 0)
fprintf(stderr,"Failed to find layer at: %i for %f\n",nn,*drmr->gains[nn]);
}
lv2_atom_forge_frame_time(&drmr->forge, 0);
build_midi_info_message(drmr,data);
drmr->samples[nn].active = 1;
drmr->samples[nn].offset = 0;
}
pthread_mutex_unlock(&drmr->load_mutex);
trigger_sample(drmr,nn,data);
break;
}
default:
@@ -267,10 +273,9 @@ static void run(LV2_Handle instance, uint32_t n_samples) {
const LV2_Atom_Object *obj = (LV2_Atom_Object*)&ev->body;
if (obj->body.otype == drmr->uris.ui_msg) {
const LV2_Atom* path = NULL;
lv2_object_get(obj, drmr->uris.kit_path, &path, 0);
if (!path)
fprintf(stderr,"Got UI message without kit_path, ignoring\n");
else {
const LV2_Atom* trigger = NULL;
lv2_object_get(obj, drmr->uris.kit_path, &path, drmr->uris.sample_trigger, &trigger, 0);
if (path) {
int reqPos = (drmr->curReq+1)%REQ_BUF_SIZE;
char *tmp = NULL;
if (reqPos >= 0 &&
@@ -280,6 +285,14 @@ static void run(LV2_Handle instance, uint32_t n_samples) {
drmr->curReq = reqPos;
if (tmp) free(tmp);
}
if (trigger) {
int32_t si = ((const LV2_Atom_Int*)trigger)->body;
uint8_t mdata[3];
mdata[0] = 0x90; // note on
mdata[1] = si+baseNote;
mdata[2] = 0x7f;
trigger_sample(drmr,si,mdata);
}
} else if (obj->body.otype == drmr->uris.get_state) {
lv2_atom_forge_frame_time(&drmr->forge, 0);
build_state_message(drmr);