* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE // needed for M_PI
+#endif
+
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#define RV_NZ 7
#define DENORMAL_PROTECT (1e-14)
-
typedef struct {
float* delays[2][RV_NZ]; /**< delay line buffer */
float v_mix;
float v_roomsz;
+ float srate;
b_reverb r;
} AReverb;
// these are set in initReverb()
self->v_roomsz = 0.75;
self->v_mix = 0.1;
+ self->srate = rate;
return (LV2_Handle)self;
}
float* const output0 = self->output0;
float* const output1 = self->output1;
- // TODO interpolate
+ // 25Hz update
+ const float tau = (1.0 - exp(-2.0 * M_PI * n_samples * 25 / self->srate));
+
if (*self->mix != self->v_mix) {
- self->v_mix = *self->mix;
- const float u = self->r.wet + self->r.dry;
- self->r.wet = self->v_mix * u;
- self->r.dry = u - (self->v_mix * u);
+ self->v_mix += tau * ( *self->mix - self->v_mix);
+ self->r.wet = self->v_mix;
+ self->r.dry = 1.0 - self->v_mix;
}
if (*self->roomsz != self->v_roomsz) {
- self->v_roomsz = *self->roomsz;
+ self->v_roomsz += tau * ( *self->roomsz - self->v_roomsz);
self->r.gain[0] = 0.773 * self->v_roomsz;
self->r.gain[1] = 0.802 * self->v_roomsz;
self->r.gain[2] = 0.753 * self->v_roomsz;
doap:maintainer <http://ardour.org/credits.html>
doap:license <http://usefulinc.com/doap/licenses/gpl> ;
- lv2:microVersion 0 ; lv2:minorVersion 1 ;
+ lv2:microVersion 0 ; lv2:minorVersion 2 ;
lv2:optionalFeature lv2:hardRTCapable ;
lv2:port
a lv2:InputPort ,
lv2:ControlPort ;
lv2:index 4 ;
- lv2:symbol "mix" ;
- lv2:name "Dry/Wet";
+ lv2:symbol "blend" ;
+ lv2:name "Blend";
lv2:default 0.3;
lv2:minimum 0.0 ;
lv2:maximum 1.0 ;