#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))
#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))