#include <math.h>#include <stdlib.h>#include <stdint.h>#include "patchwerk.h"#include "core.h"#define SK_PHASOR_PRIV#include "dsp/phasor.h" struct phasor_n {    pw_cable *freq;    pw_cable *out;    sk_phasor phasor;}; static void compute(pw_node *node){    int blksize;    int n;    struct phasor_n *phasor;     blksize = pw_node_blksize(node);     phasor = (struct phasor_n *)pw_node_get_data(node);     for (n = 0; n < blksize; n++) {        PWFLT out, f;        f = pw_cable_get(phasor->freq, n);         sk_phasor_freq(&phasor->phasor, f);        out = sk_phasor_tick(&phasor->phasor);         pw_cable_set(phasor->out, n, out);    }} static void destroy(pw_node *node){    pw_patch *patch;    int rc;    void *ud;    rc = pw_node_get_patch(node, &patch);    if (rc != PW_OK) return;    pw_node_cables_free(node);    ud = pw_node_get_data(node);    pw_memory_free(patch, &ud);} int sk_node_phasor(sk_core *core, SKFLT iphs){    pw_patch *patch;    pw_node *node;    int rc;    sk_param freq;    void *ud;    struct phasor_n *phasor;    int sr;     rc = sk_param_get(core, &freq);    SK_ERROR_CHECK(rc);     patch = sk_core_patch(core);     rc = pw_memory_alloc(patch, sizeof(struct phasor_n), &ud);    SK_PW_ERROR_CHECK(rc);    phasor = (struct phasor_n *)ud;     sr = pw_patch_srate_get(patch);    sk_phasor_init(&phasor->phasor, sr, iphs);     rc = pw_patch_new_node(patch, &node);    SK_PW_ERROR_CHECK(rc);     rc = pw_node_cables_alloc(node, 2);    SK_PW_ERROR_CHECK(rc);     pw_node_set_block(node, 1);     pw_node_get_cable(node, 0, &phasor->freq);    pw_node_get_cable(node, 1, &phasor->out);     pw_node_set_data(node, phasor);    pw_node_set_compute(node, compute);    pw_node_set_destroy(node, destroy);     sk_param_set(core, node, &freq, 0);    sk_param_out(core, node, 1);    return 0;}