+
+int bcf_gl2pl(int n_smpl, bcf1_t *b)
+{
+ char *p;
+ int i;
+ bcf_ginfo_t *g;
+ float *d0;
+ uint8_t *d1;
+ if (strstr(b->fmt, "PL")) return -1;
+ if ((p = strstr(b->fmt, "GL")) == 0) return -1;
+ *p = 'P';
+ for (i = 0; i < b->n_gi; ++i)
+ if (b->gi[i].fmt == bcf_str2int("GL", 2))
+ break;
+ g = b->gi + i;
+ g->fmt = bcf_str2int("PL", 2);
+ g->len /= 4; // 4 == sizeof(float)
+ d0 = (float*)g->data; d1 = (uint8_t*)g->data;
+ for (i = 0; i < n_smpl * g->len; ++i) {
+ int x = (int)(-10. * d0[i] + .499);
+ if (x > 255) x = 255;
+ if (x < 0) x = 0;
+ d1[i] = x;
+ }
+ return 0;
+}