ref: 3a3b446c59acabc34e39d73af846ecb37a8dff77
parent: 7939860c62433745bc57f9077c1266edd2174e2a
author: Paul Batchelor <thisispaulbatchelor@gmail.com>
date: Sun Feb 7 03:03:08 EST 2021
re-introduced sp_ftbl_bind, with fixes to go along with it
--- a/h/ftbl.h
+++ b/h/ftbl.h
@@ -4,6 +4,7 @@
typedef struct sp_ftbl{
size_t size;
SPFLOAT *tbl;
+ unsigned char del;
} sp_ftbl;
int sp_ftbl_create(sp_data *sp, sp_ftbl **ft, size_t size);
--- a/lib/spa/spa.c
+++ b/lib/spa/spa.c
@@ -77,15 +77,12 @@
sp_audio spa;
size_t size;
- *ft = malloc(sizeof(sp_ftbl));
- ftp = *ft;
spa_open(sp, &spa, filename, SPA_READ);
size = spa.header.len;
-
- ftp->tbl = malloc(sizeof(SPFLOAT) * (size + 1));
- ftp->size = size;
+ sp_ftbl_create(sp, ft, size);
+ ftp = *ft;
spa_read_buf(sp, &spa, ftp->tbl, ftp->size);
spa_close(&spa);
--- a/modules/ftbl.c
+++ b/modules/ftbl.c
@@ -21,13 +21,27 @@
ftp = *ft;
ftp->tbl = calloc(1, sizeof(SPFLOAT) * (size + 1));
ftp->size = size;
+ ftp->del = 1;
return SP_OK;
}
+/* like create, but use externally managed memory */
+
+int sp_ftbl_bind(sp_data *sp, sp_ftbl **ft, SPFLOAT *tbl, size_t size)
+{
+ sp_ftbl *ftp;
+ *ft = malloc(sizeof(sp_ftbl));
+ ftp = *ft;
+ ftp->tbl = tbl;
+ ftp->size = size;
+ ftp->del = 0;
+ return SP_OK;
+}
+
int sp_ftbl_destroy(sp_ftbl **ft)
{
sp_ftbl *ftp = *ft;
- free(ftp->tbl);
+ if (ftp->del) free(ftp->tbl);
free(*ft);
return SP_OK;
}
--- a/modules/loadwav.c
+++ b/modules/loadwav.c
@@ -15,11 +15,13 @@
if (!sp_drwav_init_file(wav, filename)) return SP_NOT_OK;
size = sp_drwav_sampcount(wav);
- *ft = malloc(sizeof(sp_ftbl));
+
+ sp_ftbl_create(sp, ft, size);
+
ftp = *ft;
- ftp->tbl = calloc(1, sizeof(SPFLOAT) * size);
- ftp->size = size;
+
tbl = ftp->tbl;
+
sp_drwav_read_f32(wav, size, tbl);
sp_drwav_uninit(wav);
free(wav);