#define CDTIME_T_TO_DOUBLE(t) (((double) (t)) / 1073741824.0)
#define DOUBLE_TO_CDTIME_T(d) ((cdtime_t) ((d) * 1073741824.0))
+#define CDTIME_T_TO_MS(t) ((long) (((double) (t)) / 1073741.824))
+
#define US_TO_CDTIME_T(us) ((cdtime_t) (((double) (us)) * 1073.741824))
#define CDTIME_T_TO_US(t) ((suseconds_t) (((double) (t)) / 1073.741824))
#define NS_TO_CDTIME_T(ns) ((cdtime_t) (((double) (ns)) * 1.073741824))