1 #include <stdlib.h>
2 #include <stdio.h>
3 #include <time.h>
4 #include "soundpipe.h"
5
6 typedef struct {
7 sp_noise *ns;
8 sp_tone *tn;
9 } UserData;
10
write_noise(sp_data * sp,void * udata)11 void write_noise(sp_data *sp, void *udata) {
12 UserData *ud = udata;
13 SPFLOAT in = 0;
14 SPFLOAT out = 0;
15 sp_noise_compute(sp, ud->ns, NULL, &in);
16 sp_tone_compute(sp, ud->tn, &in, &sp->out[0]);
17 }
main()18 int main() {
19 srand(time(NULL));
20 UserData ud;
21 sp_data *sp;
22 sp_create(&sp);
23 sp_noise_create(&ud.ns);
24 sp_tone_create(&ud.tn);
25 sp_noise_init(sp, ud.ns);
26 sp_tone_init(sp, ud.tn);
27 sp->len = 44100 * 5;
28 sp_process(sp, &ud, write_noise);
29 sp_noise_destroy(&ud.ns);
30 sp_tone_destroy(&ud.tn);
31 sp_destroy(&sp);
32 return 0;
33 }
34