XMP_NIBBLE_PREFIX
n[i] = (n[i] - XMP_NIBBLE_PREFIX) / divider;
} else if (geq_margin(ev.duration, XMP_HALFFRAME_SPACE, XMP_NIBBLE_PREFIX)) {
} else if (geq_margin(ev.duration, XMP_NIBBLE_PREFIX, XMP_UNIT)) {
if (geq_margin(ev.duration, XMP_TRAILER_SPACE, XMP_NIBBLE_PREFIX)) {
divider = (n[3] - XMP_NIBBLE_PREFIX) / 15 - 2000;