def feature(self):
f_ptr = self._call_cfunc("vital_track_state_feature",
[self.C_TYPE_PTR], [self],
Feature.c_ptr_type())
# f_ptr may be null
if f_ptr:
return Feature(from_cptr=f_ptr)
else:
return None
def _new(self, frame, feature, descriptor):
"""
:param feature: Optional Feature instance associated with this state.
:type feature: vital.types.Feature
:param descriptor: Optional Descriptor instance associated with this
state.
:type descriptor: vital.types.Descriptor
"""
return self._call_cfunc(
"vital_feature_track_state_new",
[ctypes.c_int64, Feature.c_ptr_type(), Descriptor.c_ptr_type()],
[frame, feature, descriptor],
self.C_TYPE_PTR
)
