Fixates a gstreamer.Structure by changing the given field to the nearest fraction to target_numerator/target_denominator that is a subset of the existing field.
a field in structure
The numerator of the target value of the fixation
The denominator of the target value of the fixation
TRUE if the structure could be fixated
Fixates a gstreamer.Structure by changing the given field to the nearest fraction to target_numerator/target_denominator that is a subset of the existing field.