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import ctypes, ctypes.util
from ctypes import *
from numpy.ctypeslib import ndpointer
import sys
import os
lib_path = os.path.abspath(os.path.dirname(__file__)) + '/libs/libttvfaceengine6.so'
liveness_engine = cdll.LoadLibrary(lib_path)
ttv_version = liveness_engine.ttv_version
ttv_version.argtypes = []
ttv_version.restype = ctypes.c_char_p
ttv_get_hwid = liveness_engine.ttv_get_hwid
ttv_get_hwid.argtypes = []
ttv_get_hwid.restype = ctypes.c_char_p
ttv_init = liveness_engine.ttv_init
ttv_init.argtypes = [ctypes.c_char_p, ctypes.c_char_p]
ttv_init.restype = ctypes.c_int32
ttv_init_offline = liveness_engine.ttv_init_offline
ttv_init_offline.argtypes = [ctypes.c_char_p, ctypes.c_char_p]
ttv_init_offline.restype = ctypes.c_int32
ttv_extract_feature = liveness_engine.ttv_extract_feature
ttv_extract_feature.argtypes = [ndpointer(ctypes.c_ubyte, flags='C_CONTIGUOUS'), ctypes.c_int32, ctypes.c_int32, ndpointer(ctypes.c_int32, flags='C_CONTIGUOUS'), ndpointer(ctypes.c_ubyte, flags='C_CONTIGUOUS'), ndpointer(ctypes.c_int32, flags='C_CONTIGUOUS')]
ttv_extract_feature.restype = ctypes.c_int
ttv_compare_feature = liveness_engine.ttv_compare_feature
ttv_compare_feature.argtypes = [ndpointer(ctypes.c_ubyte, flags='C_CONTIGUOUS'), ndpointer(ctypes.c_ubyte, flags='C_CONTIGUOUS')]
ttv_compare_feature.restype = ctypes.c_double
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