Sets value to the range specified by numerator_start/denominator_start and numerator_end/denominator_end.
a GValue initialized to GST_TYPE_FRACTION_RANGE
the numerator start of the range
the denominator start of the range
the numerator end of the range
the denominator end of the range
Sets value to the range specified by numerator_start/denominator_start and numerator_end/denominator_end.