ref: f2e11903bc2d80a73e21916e2929a18b6042c5f6
dir: /modules/wavout.c/
/* This code is placed in the public domain. */ #include <stdlib.h> #include "soundpipe.h" #include "lib/dr_wav/sp_dr_wav.h" #define WAVOUT_BUFSIZE 1024 struct sp_wavout { drwav *wav; SPFLOAT buf[WAVOUT_BUFSIZE]; int count; }; int sp_wavout_create(sp_wavout **p) { *p = malloc(sizeof(sp_wavout)); return SP_OK; } int sp_wavout_destroy(sp_wavout **p) { /* write any remaining samples */ if ((*p)->count != 0) { sp_drwav_write((*p)->wav, (*p)->count, (*p)->buf); } sp_drwav_close((*p)->wav); free(*p); return SP_OK; } int sp_wavout_init(sp_data *sp, sp_wavout *p, const char *filename) { p->count = 0; p->wav = sp_drwav_open_mono_write(filename, sp->sr); return SP_OK; } int sp_wavout_compute(sp_data *sp, sp_wavout *p, SPFLOAT *in, SPFLOAT *out) { *out = *in; if(p->count == WAVOUT_BUFSIZE) { sp_drwav_write(p->wav, WAVOUT_BUFSIZE, p->buf); p->count = 0; } p->buf[p->count] = *in; p->count++; return SP_OK; }