aixiao/BaiduAIFaceComparison
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

BaiduAIface

Browse Source
This commit is contained in:
aixiao 2021-10-28 11:32:59 +08:00
commit 1e3d0dc2eb
1 changed files with 188 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

188
BaiduAIface.c Normal file
View File

@ -0,0 +1,188 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <curl/curl.h>
#include "cJSON.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
size_t access_token_callback(void *ptr, size_t size, size_t nmemb, void *stream)
{
char *buf = (char *)malloc(size * nmemb + 8 );
memset(buf,'\0', size * nmemb + 8);
strncpy(buf, ptr, size * nmemb);
cJSON *json= cJSON_Parse(buf);
char *access_token_result = (char *)stream;
strncpy(access_token_result, cJSON_GetObjectItem(json, "access_token")->valuestring, 128);
//printf("stream:%s\n",(char *)stream);
cJSON_Delete(json);
free(buf);
return size * nmemb;
}
int post_access_token(char *access_token)
{
CURL *curl;
CURLcode result_code;
int error_code = 0;
char url[256] = {0};
char access_token_url[] = "https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials";
char AK[] = "vEcmEHNhIBfmA5qGs5TtcA8R";
char SK[] = "G4fk4L8p9QQGMqui4MkMWZ0fGkwWQoKE";
char access_token_result[128] = {0};
curl = curl_easy_init();
if (curl) {
//std::string url = access_token_url + "&client_id=" + AK + "&client_secret=" + SK;
sprintf(url,"%s&client_id=%s&client_secret=%s",access_token_url,AK,SK);
//printf("url: %s\n",url );
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, access_token_result);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, access_token_callback);
result_code = curl_easy_perform(curl);
if (result_code != CURLE_OK) {
fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(result_code));
return 1;
}
//printf("access_token_result:%s\n",access_token_result);
strcpy(access_token, access_token_result);
curl_easy_cleanup(curl);
error_code = 0;
} else {
fprintf(stderr, "curl_easy_init() failed.");
error_code = 1;
}
return error_code;
}
size_t faceMatch_callback(void *ptr, size_t size, size_t nmemb, void *stream) {
// 获取到的body存放在ptr中，先将其转换为string格式
char *buf = (char *)malloc(size * nmemb + 8 );
memset(buf,'\0',size * nmemb + 8);
strncpy(buf, ptr, size * nmemb);
cJSON *json = cJSON_Parse(buf);
printf("data:%s\n", cJSON_Print(json));
if(strstr(cJSON_Print(json),"SUCCESS") ==NULL) {
*((double *)stream) = 0;
} else {
cJSON *result = cJSON_GetObjectItem(json, "result");
//printf("data:%s\n",cJSON_Print(result));
double *faceMatch_result = (double *)stream;
*faceMatch_result = cJSON_GetObjectItem(result, "score")->valuedouble;
//printf("stream:%f\n",*faceMatch_result);
}
cJSON_Delete(json);
free(buf);
return size * nmemb;
}
/**
* 人脸对比调用成功返回0，发生错误返回其他错误码
*/
int post_faceMatch(double *faceMatch, char *access_token, char *file1, char *file2)
{
//std::string url = request_url + "?access_token=" + access_token;
char url[256] = {0};
char request_url[] = "https://aip.baidubce.com/rest/2.0/face/v3/match";
sprintf(url,"%s?access_token=%s", request_url, access_token);
char *getbase64(char *photoname);
char image[] = "\"image\": ";
char image_type[] = "\"image_type\": \"BASE64\"";
char *image1_base64 = getbase64(file1);
char *image2_base64 = getbase64(file2);
char *params = (char *)malloc(strlen(image1_base64) + strlen(image2_base64) + 2 * strlen(image) + 2 * strlen(image_type) + 128 );
sprintf(params, "[{%s\"%s\", %s}, {%s\"%s\", %s}]", image, image1_base64, image_type, image, image2_base64, image_type);
cJSON *json = cJSON_Parse(params);
//printf("%s\n",cJSON_Print(json));
//printf("param : %s\n",params);
CURL *curl = NULL;
CURLcode result_code;
int is_success;
curl = curl_easy_init();
double faceMatch_result;
if (curl) {
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_POST, 1);
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "Content-Type:application/json;charset=UTF-8");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
//curl_easy_setopt(curl, CURLOPT_POSTFIELDS, params);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, cJSON_Print(json));
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &faceMatch_result);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, faceMatch_callback);
result_code = curl_easy_perform(curl);
free(image1_base64);
free(image2_base64);
free(params);
cJSON_Delete(json);
if (result_code != CURLE_OK) {
fprintf(stderr, "curl_easy_perform() failed: %s\n",
curl_easy_strerror(result_code));
is_success = 1;
return is_success;
}
*faceMatch = faceMatch_result;
curl_easy_cleanup(curl);
is_success = 0;
} else {
fprintf(stderr, "curl_easy_init() failed.");
is_success = 1;
}
return is_success;
}
char *getbase64(char *photoname)
{
char order[128] = {0};
char file[32] = {0};
char *base64 = NULL;
sprintf(order,"base64 %s > %s_base64", photoname, photoname);
system(order);
sprintf(file,"%s_base64", photoname);
int fd = open(file, O_RDWR);
int len = lseek(fd,0, SEEK_END);
lseek(fd, 0, SEEK_SET);
base64 = (char *)malloc(len+1);
read(fd, base64, len);
base64[len] = '\0';
//printf("%d\n",strlen(base64));
return base64;
}
int main(int argc, char *argv[], char **envp)
{
if (argc != 3) {
printf("%s file1 file2\n", argv[0]);
exit(1);
}
char access_token[128];
double faceMatch = 0; // 面部匹配
post_access_token(access_token);
//printf("access_token: %s\n", access_token);
post_faceMatch(&faceMatch, access_token, argv[1], argv[2]);
//printf("faceMatch : %f \n",faceMatch);
if(faceMatch > 90) {
printf("相似\n");
} else {
printf("不相似\n");
}
return 0;
}