Multiplies the two #GValue items containing a #GST_TYPE_FRACTION and sets @product to the product of the two fractions.
a GValue initialized to #GST_TYPE_FRACTION
%FALSE in case of an error (like integer overflow), %TRUE otherwise.
See Implementation
Multiplies the two #GValue items containing a #GST_TYPE_FRACTION and sets @product to the product of the two fractions.