Notes

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/libttvfaceengine7.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_detect_face = liveness_engine.ttv_detect_face
ttv_detect_face.argtypes = [ndpointer(ctypes.c_ubyte, flags='C_CONTIGUOUS'), ctypes.c_int32, ctypes.c_int32, ndpointer(ctypes.c_int32, flags='C_CONTIGUOUS'), ndpointer(ctypes.c_double, flags='C_CONTIGUOUS'), ndpointer(ctypes.c_double, flags='C_CONTIGUOUS')]
ttv_detect_face.restype = ctypes.c_int32



cmake_minimum_required(VERSION 3.5)

project(test_liveness LANGUAGES CXX)

find_package(OpenCV REQUIRED)

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

add_library(ttvfaceengine7 SHARED IMPORTED)
set_target_properties(ttvfaceengine7 PROPERTIES IMPORTED_LOCATION ${CMAKE_SOURCE_DIR}/lib/libttvfaceengine7.so)

add_executable(test_liveness main.cpp
)

target_include_directories(test_liveness
PUBLIC ${PROJECT_SOURCE_DIR}
PUBLIC ${OpenCV_INCLUDE_DIRS}
)


target_link_libraries(test_liveness
ttvfaceengine7
${OpenCV_LIBS}
)


#include <iostream>
#include <stdio.h>
#include <opencv2/opencv.hpp>
#include <vector>
#include <string>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include <dirent.h>
#include <unistd.h>


#include "ttvfaceengine.h"

int main(int argc, char* argv[])
{
if (argc != 3)
{
printf("LiveTest: n"
"LiveTest [in folderPath] [out result.txt]n"
"tEx) ./LiveTest images result.txtn");
return 0;
}

const char* version = ttv_version();
printf("version: %sn", version);

int ret = ttv_init_offline("./dict", "license.txt");
if (ret != 0) {
printf("init failed: %dn", ret);
return 0;
}

printf("init ok!n");


cv::Mat image = cv::imread(argv[1]);

int faceBox[4] = { 0 };
double liveness[1] = { 0 };
double angles[3] = { 0 };
ttv_detect_face(image.data, image.cols, image.rows, faceBox, liveness, angles);

printf("%s, score = %f, ret = %d, yaw = %f, roll = %f, pitch = %fn", szFileName, liveness[0], ret, angles[0], angles[1], angles[2]);

return 0;
}