Rx3/drmr2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use midi velocity to set intensity of sample. Core only

Browse Source
This commit is contained in:
Nick Lanham 2012-04-02 11:35:08 +02:00
parent 6992a246aa
commit 534525ce9b
2 changed files with 25 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
drmr.c
View File

@ -23,6 +23,7 @@
#include "drmr_hydrogen.h"
#define REQ_BUF_SIZE 10
#define VELOCITY_MAX 127
static int current_kit_changed = 0;
@ -228,6 +229,21 @@ static inline void trigger_sample(DrMr *drmr, int nn, uint8_t* const data) {
}
drmr->samples[nn].active = 1;
drmr->samples[nn].offset = 0;
drmr->samples[nn].velocity = ((float)data[2])/VELOCITY_MAX;
}
pthread_mutex_unlock(&drmr->load_mutex);
}
static inline void untrigger_sample(DrMr *drmr, int nn) {
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]);
}
drmr->samples[nn].active = 0;
drmr->samples[nn].offset = 0;
}
pthread_mutex_unlock(&drmr->load_mutex);
}
@ -253,14 +269,17 @@ static void run(LV2_Handle instance, uint32_t n_samples) {
LV2_SEQUENCE_FOREACH(drmr->control_port, i) {
LV2_Atom_Event* const ev = lv2_sequence_iter_get(i);
if (ev->body.type == drmr->uris.midi_event) {
uint8_t nn;
uint8_t* const data = (uint8_t* const)(ev + 1);
//int channel = *data & 15;
switch ((*data) >> 4) {
case 8: // ignore note-offs for now, should probably be a setting
//if (drmr->cur_samp) drmr->cur_samp->active = 0;
case 8:
nn = data[1];
nn-=baseNote;
untrigger_sample(drmr,nn);
break;
case 9: {
uint8_t nn = data[1];
nn = data[1];
nn-=baseNote;
trigger_sample(drmr,nn,data);
break;
@ -331,8 +350,8 @@ static void run(LV2_Handle instance, uint32_t n_samples) {
float gain = DB_CO(*(drmr->gains[i]));
float pan_right = ((*drmr->pans[i])+1)/2.0f;
float pan_left = 1-pan_right;
coef_right = (pan_right * (DB3SCALE * pan_right + DB3SCALEPO))*gain;
coef_left = (pan_left * (DB3SCALE * pan_left + DB3SCALEPO))*gain;
coef_right = (pan_right * (DB3SCALE * pan_right + DB3SCALEPO))*gain*cs->velocity;
coef_left = (pan_left * (DB3SCALE * pan_left + DB3SCALEPO))*gain*cs->velocity;
}
else {
coef_right = coef_left = 1.0f;

1
drmr.h
View File

@ -58,6 +58,7 @@ typedef struct {
uint32_t offset;
uint32_t limit;
uint32_t layer_count;
float velocity;
drmr_layer *layers;
float* data;
} drmr_sample;