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a-Delay: Add feedback control 0 to 90 percent

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This commit is contained in:
Damien Zammit 2016-07-19 14:42:53 +10:00
parent 0b5f2c5d58
commit f8207524e9
2 changed files with 23 additions and 4 deletions
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13
libs/plugins/a-delay.lv2/a-delay.c
View file

@ -42,6 +42,7 @@ typedef enum {
ADELAY_TIME, ADELAY_TIME,
ADELAY_DIVISOR, ADELAY_DIVISOR,
ADELAY_WETDRY, ADELAY_WETDRY,
ADELAY_FEEDBACK,
ADELAY_LPF, ADELAY_LPF,
ADELAY_GAIN, ADELAY_GAIN,
@ -73,6 +74,7 @@ typedef struct {
float* time; float* time;
float* divisor; float* divisor;
float* wetdry; float* wetdry;
float* feedback;
float* lpf; float* lpf;
float* gain; float* gain;
@ -81,7 +83,6 @@ typedef struct {
float srate; float srate;
float bpm; float bpm;
float beatunit; float beatunit;
int beatuniti;
int bpmvalid; int bpmvalid;
uint32_t posz; uint32_t posz;
@ -91,6 +92,7 @@ typedef struct {
int next; int next;
float fbstate; float fbstate;
float lpfold; float lpfold;
float feedbackold;
float divisorold; float divisorold;
float gainold; float gainold;
float invertold; float invertold;
@ -187,6 +189,9 @@ connect_port(LV2_Handle instance,
case ADELAY_WETDRY: case ADELAY_WETDRY:
adelay->wetdry = (float*)data; adelay->wetdry = (float*)data;
break; break;
case ADELAY_FEEDBACK:
adelay->feedback = (float*)data;
break;
case ADELAY_LPF: case ADELAY_LPF:
adelay->lpf = (float*)data; adelay->lpf = (float*)data;
break; break;
@ -364,6 +369,9 @@ run(LV2_Handle instance, uint32_t n_samples)
if (*(adelay->time) != adelay->timeold) { if (*(adelay->time) != adelay->timeold) {
recalc = 1; recalc = 1;
} }
if (*(adelay->feedback) != adelay->feedbackold) {
recalc = 1;
}
if (*(adelay->divisor) != adelay->divisorold) { if (*(adelay->divisor) != adelay->divisorold) {
recalc = 1; recalc = 1;
} }
@ -387,7 +395,7 @@ run(LV2_Handle instance, uint32_t n_samples)
xfade = 0.f; xfade = 0.f;
for (i = 0; i < n_samples; i++) { for (i = 0; i < n_samples; i++) {
in = input[i]; in = input[i];
adelay->z[adelay->posz] = in; // + feedb / 100. * fbstate; adelay->z[adelay->posz] = in + *adelay->feedback / 100. * adelay->fbstate;
adelay->fbstate = 0.f; adelay->fbstate = 0.f;
int p = adelay->posz - adelay->tap[adelay->active]; // active line int p = adelay->posz - adelay->tap[adelay->active]; // active line
if (p<0) p += MAX_DELAY; if (p<0) p += MAX_DELAY;
@ -406,6 +414,7 @@ run(LV2_Handle instance, uint32_t n_samples)
} }
} }
adelay->lpfold = *(adelay->lpf); adelay->lpfold = *(adelay->lpf);
adelay->feedbackold = *(adelay->feedback);
adelay->divisorold = *(adelay->divisor); adelay->divisorold = *(adelay->divisor);
adelay->gainold = *(adelay->gain); adelay->gainold = *(adelay->gain);
adelay->invertold = *(adelay->inv); adelay->invertold = *(adelay->inv);

14
libs/plugins/a-delay.lv2/a-delay.ttl.in
View file

@ -110,6 +110,16 @@
[ [
a lv2:InputPort, lv2:ControlPort ; a lv2:InputPort, lv2:ControlPort ;
lv2:index 8 ; lv2:index 8 ;
lv2:name "Feedback" ;
lv2:symbol "feedback" ;
lv2:default 20.000000 ;
lv2:minimum 0.000000 ;
lv2:maximum 90.000000 ;
unit:unit unit:pc ;
] ,
[
a lv2:InputPort, lv2:ControlPort ;
lv2:index 9 ;
lv2:name "LPF" ; lv2:name "LPF" ;
lv2:symbol "lpf" ; lv2:symbol "lpf" ;
lv2:default 6000.000000 ; lv2:default 6000.000000 ;
@ -120,7 +130,7 @@
] , ] ,
[ [
a lv2:InputPort, lv2:ControlPort ; a lv2:InputPort, lv2:ControlPort ;
lv2:index 9 ; lv2:index 10 ;
lv2:name "Output Gain" ; lv2:name "Output Gain" ;
lv2:symbol "gain" ; lv2:symbol "gain" ;
lv2:default 0.000000 ; lv2:default 0.000000 ;
@ -130,7 +140,7 @@
] , ] ,
[ [
a lv2:OutputPort, lv2:ControlPort ; a lv2:OutputPort, lv2:ControlPort ;
lv2:index 10 ; lv2:index 11 ;
lv2:name "Delaytime" ; lv2:name "Delaytime" ;
lv2:symbol "delaytime" ; lv2:symbol "delaytime" ;
lv2:default 0.000000 ; lv2:default 0.000000 ;