105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
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#include <m_pd.h>
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#include <m_fixed.h>
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#define LOGTEN 2.302585092994
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typedef struct dbtopow_tilde
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{
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t_object x_obj;
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float x_f;
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} t_dbtopow_tilde;
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t_class *dbtopow_tilde_class;
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static void *dbtopow_tilde_new(void)
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{
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t_dbtopow_tilde *x = (t_dbtopow_tilde *)pd_new(dbtopow_tilde_class);
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outlet_new(&x->x_obj, gensym("signal"));
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x->x_f = 0;
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return (x);
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}
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static t_int *dbtopow_tilde_perform(t_int *w)
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{
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float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
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t_int n = *(t_int *)(w+3);
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for (; n--; in++, out++)
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{
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float f = *in;
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if (f <= 0) *out = 0;
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else
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{
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if (f > 870)
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f = 870;
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*out = exp((LOGTEN * 0.1) * (f-100.));
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}
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}
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return (w + 4);
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}
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static void dbtopow_tilde_dsp(t_dbtopow_tilde *x, t_signal **sp)
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{
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post("warning: %s not usable yet",__FUNCTION__);
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dsp_add(dbtopow_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
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}
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void dbtopow_tilde_setup(void)
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{
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dbtopow_tilde_class = class_new(gensym("dbtopow~"), (t_newmethod)dbtopow_tilde_new, 0,
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sizeof(t_dbtopow_tilde), 0, 0);
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CLASS_MAINSIGNALIN(dbtopow_tilde_class, t_dbtopow_tilde, x_f);
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class_addmethod(dbtopow_tilde_class, (t_method)dbtopow_tilde_dsp, gensym("dsp"), 0);
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}
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#include <m_pd.h>
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#include <m_fixed.h>
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#define LOGTEN 2.302585092994
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typedef struct dbtopow_tilde
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{
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t_object x_obj;
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float x_f;
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} t_dbtopow_tilde;
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t_class *dbtopow_tilde_class;
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static void *dbtopow_tilde_new(void)
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{
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t_dbtopow_tilde *x = (t_dbtopow_tilde *)pd_new(dbtopow_tilde_class);
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outlet_new(&x->x_obj, gensym("signal"));
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x->x_f = 0;
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return (x);
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}
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static t_int *dbtopow_tilde_perform(t_int *w)
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{
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float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
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t_int n = *(t_int *)(w+3);
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for (; n--; in++, out++)
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{
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float f = *in;
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if (f <= 0) *out = 0;
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else
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{
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if (f > 870)
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f = 870;
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*out = exp((LOGTEN * 0.1) * (f-100.));
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}
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}
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return (w + 4);
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}
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static void dbtopow_tilde_dsp(t_dbtopow_tilde *x, t_signal **sp)
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{
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post("warning: %s not usable yet",__FUNCTION__);
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dsp_add(dbtopow_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
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}
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void dbtopow_tilde_setup(void)
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{
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dbtopow_tilde_class = class_new(gensym("dbtopow~"), (t_newmethod)dbtopow_tilde_new, 0,
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sizeof(t_dbtopow_tilde), 0, 0);
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CLASS_MAINSIGNALIN(dbtopow_tilde_class, t_dbtopow_tilde, x_f);
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class_addmethod(dbtopow_tilde_class, (t_method)dbtopow_tilde_dsp, gensym("dsp"), 0);
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}
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