Baidu AI Face Detection

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aixiao 2021-11-05 18:00:13 +08:00
commit 8944030830
2 changed files with 182 additions and 0 deletions

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BaiduAIFaceDetection Normal file

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BaiduAIFaceDetection.c Normal file
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#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;
}
int post_faceMatch(double *faceMatch, char *access_token, char *file)
{
char url[256] = { 0 };
//char request_url[] = "https://aip.baidubce.com/rest/2.0/face/v3/match";
char request_url[] = "https://aip.baidubce.com/rest/2.0/face/v3/detect";
sprintf(url, "%s?access_token=%s", request_url, access_token);
char *getbase64(char *photoname);
char image[] = "\"image\": ";
char image_type[] = "\"image_type\": \"BASE64\"";
char face_field[] = "\"face_field\": \"facetype,gender,age,beauty\"";
char *image1_base64 = getbase64(file);
char *params = (char *)malloc(strlen(image1_base64) + strlen(image) + strlen(image_type) + 1024);
sprintf(params, "{%s\"%s\", %s, %s}", image, image1_base64, image_type, face_field);
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(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';
return base64;
}
int main(int argc, char *argv[], char **envp)
{
/*
if (argc == 3 && argv[1] != NULL && argv[2] != NULL) {
;
} else {
printf("%s image_file image_file\n", argv[0]);
exit(1);
}
*/
char access_token[270];
double faceMatch = 0; // 面部匹配
post_access_token(access_token);
post_faceMatch(&faceMatch, access_token, argv[1]);
return 0;
}