Sets the clock time pointed to by @value corresponding to the clock time
of the given field. Caller is responsible for making sure the field exists
and has the correct type.
%TRUE if the value could be set correctly. If there was no field
with @fieldname or the existing field did not contain a #GstClockTime, this
function returns %FALSE.
Sets the clock time pointed to by @value corresponding to the clock time of the given field. Caller is responsible for making sure the field exists and has the correct type.