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added svf back to synth example

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This commit is contained in:
Stefano D'Angelo 2022-11-28 14:29:41 +01:00
parent 4ebcac26de
commit 2b32ec75d6
1 changed files with 16 additions and 8 deletions
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24
examples/synth/src/bw_example_synth.c
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@ -28,6 +28,7 @@
#include <bw_math.h>
#include <bw_noise_gen.h>
#include <bw_phase_gen.h>
#include <bw_svf.h>
#include <bw_osc_sin.h>
#include <bw_vol.h>
#include <bw_env_follow.h>
@ -63,6 +64,8 @@ struct _bw_example_synth {
bw_phase_gen_coeffs phase_gen_coeffs;
bw_phase_gen_state phase_gen_state;
bw_noise_gen_coeffs noise_gen_coeffs;
bw_svf_coeffs svf_coeffs;
bw_svf_state svf_state;
bw_phase_gen_coeffs a440_phase_gen_coeffs;
bw_phase_gen_state a440_phase_gen_state;
bw_vol_coeffs vol_coeffs;
@ -71,7 +74,6 @@ struct _bw_example_synth {
/*
bw_osc_pulse osc_pulse;
bw_osc_filt osc_filt;
bw_svf svf;
bw_env_gen env_gen;
bw_vol vol;
bw_env_follow env_follow;
@ -97,6 +99,7 @@ bw_example_synth bw_example_synth_new() {
bw_phase_gen_init(&instance->phase_gen_coeffs);
bw_noise_gen_init(&instance->noise_gen_coeffs, &instance->rand_state);
bw_phase_gen_init(&instance->a440_phase_gen_coeffs);
bw_svf_init(&instance->svf_coeffs);
bw_vol_init(&instance->vol_coeffs);
bw_env_follow_init(&instance->env_follow_coeffs);
@ -125,6 +128,7 @@ void bw_example_synth_set_sample_rate(bw_example_synth instance, float sample_ra
bw_phase_gen_set_sample_rate(&instance->phase_gen_coeffs, sample_rate);
bw_noise_gen_set_sample_rate(&instance->noise_gen_coeffs, sample_rate);
bw_phase_gen_set_sample_rate(&instance->a440_phase_gen_coeffs, sample_rate);
bw_svf_set_sample_rate(&instance->svf_coeffs, sample_rate);
bw_vol_set_sample_rate(&instance->vol_coeffs, sample_rate);
bw_env_follow_set_sample_rate(&instance->env_follow_coeffs, sample_rate);
/*
@ -139,6 +143,8 @@ void bw_example_synth_reset(bw_example_synth instance) {
bw_phase_gen_reset_state(&instance->phase_gen_coeffs, &instance->phase_gen_state);
bw_phase_gen_reset_coeffs(&instance->a440_phase_gen_coeffs);
bw_phase_gen_reset_state(&instance->a440_phase_gen_coeffs, &instance->a440_phase_gen_state);
bw_svf_reset_coeffs(&instance->svf_coeffs);
bw_svf_reset_state(&instance->svf_coeffs, &instance->svf_state);
bw_vol_reset_coeffs(&instance->vol_coeffs);
bw_env_follow_reset_coeffs(&instance->env_follow_coeffs);
bw_env_follow_reset_state(&instance->env_follow_coeffs, &instance->env_follow_state);
@ -170,6 +176,8 @@ void bw_example_synth_process(bw_example_synth instance, const float** x, float*
if (instance->note != -1)
bw_noise_gen_process(&instance->noise_gen_coeffs, y[0], n_samples);
bw_svf_process(&instance->svf_coeffs, &instance->svf_state, y[0], y[0], NULL, NULL, n_samples);
/*
for (int i = 0; i < n_samples; i += BUFFER_SIZE) {
float *out = y[0] + i;
@ -197,7 +205,7 @@ void bw_example_synth_process(bw_example_synth instance, const float** x, float*
bw_vol_process(&instance->vol_coeffs, y[0], y[0], n_samples);
bw_env_follow_process(&instance->env_follow_coeffs, &instance->env_follow_state, y[0], NULL, n_samples);
instance->level = bw_env_follow_get_y_z1(&instance->env_follow_state);
instance->level = bw_clipf(bw_env_follow_get_y_z1(&instance->env_follow_state), 0.f, 1.f);
}
void bw_example_synth_set_parameter(bw_example_synth instance, int index, float value) {
@ -209,16 +217,16 @@ void bw_example_synth_set_parameter(bw_example_synth instance, int index, float
case p_portamento:
bw_phase_gen_set_portamento_tau(&instance->phase_gen_coeffs, value);
break;
case p_cutoff:
bw_svf_set_cutoff(&instance->svf_coeffs, 20.f + (20e3f - 20.f) * value * value * value);
break;
case p_Q:
bw_svf_set_Q(&instance->svf_coeffs, 0.5f + 9.5f * value);
break;
/*
case p_pulse_width:
bw_osc_pulse_set_pulse_width(&instance->osc_pulse, value);
break;
case p_cutoff:
bw_svf_set_cutoff(&instance->svf, 20.f + (20e3f - 20.f) * value * value * value);
break;
case p_Q:
bw_svf_set_Q(&instance->svf, 0.5f + 9.5f * value);
break;
case p_attack:
bw_env_gen_set_attack(&instance->env_gen, value);
break;