Function gstreamer_base::functions::type_find_helper_for_buffer_with_extension

pub fn type_find_helper_for_buffer_with_extension<P: IsA<Object>>(
    obj: Option<&P>, 
    buf: &Buffer, 
    extension: Option<&str>
) -> Result<(Caps, TypeFindProbability), BoolError>

This is supported on crate feature v1_16 only.