Copy example files from the esp32 package:

cp ~/.arduino15/packages/esp32/hardware/esp32/1.0.4/libraries/ESP32/examples/Camera/CameraWebServer/* ./

Author: hamishcoleman

CameraWebServer.ino

@@ -0,0 +1,106 @@
+#include "esp_camera.h"
+#include <WiFi.h>
+
+//
+// WARNING!!! Make sure that you have either selected ESP32 Wrover Module,
+//            or another board which has PSRAM enabled
+//
+
+// Select camera model
+#define CAMERA_MODEL_WROVER_KIT
+//#define CAMERA_MODEL_ESP_EYE
+//#define CAMERA_MODEL_M5STACK_PSRAM
+//#define CAMERA_MODEL_M5STACK_WIDE
+//#define CAMERA_MODEL_AI_THINKER
+
+#include "camera_pins.h"
+
+const char* ssid = "*********";
+const char* password = "*********";
+
+void startCameraServer();
+
+void setup() {
+  Serial.begin(115200);
+  Serial.setDebugOutput(true);
+  Serial.println();
+
+  camera_config_t config;
+  config.ledc_channel = LEDC_CHANNEL_0;
+  config.ledc_timer = LEDC_TIMER_0;
+  config.pin_d0 = Y2_GPIO_NUM;
+  config.pin_d1 = Y3_GPIO_NUM;
+  config.pin_d2 = Y4_GPIO_NUM;
+  config.pin_d3 = Y5_GPIO_NUM;
+  config.pin_d4 = Y6_GPIO_NUM;
+  config.pin_d5 = Y7_GPIO_NUM;
+  config.pin_d6 = Y8_GPIO_NUM;
+  config.pin_d7 = Y9_GPIO_NUM;
+  config.pin_xclk = XCLK_GPIO_NUM;
+  config.pin_pclk = PCLK_GPIO_NUM;
+  config.pin_vsync = VSYNC_GPIO_NUM;
+  config.pin_href = HREF_GPIO_NUM;
+  config.pin_sscb_sda = SIOD_GPIO_NUM;
+  config.pin_sscb_scl = SIOC_GPIO_NUM;
+  config.pin_pwdn = PWDN_GPIO_NUM;
+  config.pin_reset = RESET_GPIO_NUM;
+  config.xclk_freq_hz = 20000000;
+  config.pixel_format = PIXFORMAT_JPEG;
+  //init with high specs to pre-allocate larger buffers
+  if(psramFound()){
+    config.frame_size = FRAMESIZE_UXGA;
+    config.jpeg_quality = 10;
+    config.fb_count = 2;
+  } else {
+    config.frame_size = FRAMESIZE_SVGA;
+    config.jpeg_quality = 12;
+    config.fb_count = 1;
+  }
+
+#if defined(CAMERA_MODEL_ESP_EYE)
+  pinMode(13, INPUT_PULLUP);
+  pinMode(14, INPUT_PULLUP);
+#endif
+
+  // camera init
+  esp_err_t err = esp_camera_init(&config);
+  if (err != ESP_OK) {
+    Serial.printf("Camera init failed with error 0x%x", err);
+    return;
+  }
+
+  sensor_t * s = esp_camera_sensor_get();
+  //initial sensors are flipped vertically and colors are a bit saturated
+  if (s->id.PID == OV3660_PID) {
+    s->set_vflip(s, 1);//flip it back
+    s->set_brightness(s, 1);//up the blightness just a bit
+    s->set_saturation(s, -2);//lower the saturation
+  }
+  //drop down frame size for higher initial frame rate
+  s->set_framesize(s, FRAMESIZE_QVGA);
+
+#if defined(CAMERA_MODEL_M5STACK_WIDE)
+  s->set_vflip(s, 1);
+  s->set_hmirror(s, 1);
+#endif
+
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("");
+  Serial.println("WiFi connected");
+
+  startCameraServer();
+
+  Serial.print("Camera Ready! Use 'http://");
+  Serial.print(WiFi.localIP());
+  Serial.println("' to connect");
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  delay(10000);
+}

app_httpd.cpp

@@ -0,0 +1,662 @@
+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#include "esp_http_server.h"
+#include "esp_timer.h"
+#include "esp_camera.h"
+#include "img_converters.h"
+#include "camera_index.h"
+#include "Arduino.h"
+
+#include "fb_gfx.h"
+#include "fd_forward.h"
+#include "fr_forward.h"
+
+#define ENROLL_CONFIRM_TIMES 5
+#define FACE_ID_SAVE_NUMBER 7
+
+#define FACE_COLOR_WHITE  0x00FFFFFF
+#define FACE_COLOR_BLACK  0x00000000
+#define FACE_COLOR_RED    0x000000FF
+#define FACE_COLOR_GREEN  0x0000FF00
+#define FACE_COLOR_BLUE   0x00FF0000
+#define FACE_COLOR_YELLOW (FACE_COLOR_RED | FACE_COLOR_GREEN)
+#define FACE_COLOR_CYAN   (FACE_COLOR_BLUE | FACE_COLOR_GREEN)
+#define FACE_COLOR_PURPLE (FACE_COLOR_BLUE | FACE_COLOR_RED)
+
+typedef struct {
+        size_t size; //number of values used for filtering
+        size_t index; //current value index
+        size_t count; //value count
+        int sum;
+        int * values; //array to be filled with values
+} ra_filter_t;
+
+typedef struct {
+        httpd_req_t *req;
+        size_t len;
+} jpg_chunking_t;
+
+#define PART_BOUNDARY "123456789000000000000987654321"
+static const char* _STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary=" PART_BOUNDARY;
+static const char* _STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
+static const char* _STREAM_PART = "Content-Type: image/jpeg\r\nContent-Length: %u\r\n\r\n";
+
+static ra_filter_t ra_filter;
+httpd_handle_t stream_httpd = NULL;
+httpd_handle_t camera_httpd = NULL;
+
+static mtmn_config_t mtmn_config = {0};
+static int8_t detection_enabled = 0;
+static int8_t recognition_enabled = 0;
+static int8_t is_enrolling = 0;
+static face_id_list id_list = {0};
+
+static ra_filter_t * ra_filter_init(ra_filter_t * filter, size_t sample_size){
+    memset(filter, 0, sizeof(ra_filter_t));
+
+    filter->values = (int *)malloc(sample_size * sizeof(int));
+    if(!filter->values){
+        return NULL;
+    }
+    memset(filter->values, 0, sample_size * sizeof(int));
+
+    filter->size = sample_size;
+    return filter;
+}
+
+static int ra_filter_run(ra_filter_t * filter, int value){
+    if(!filter->values){
+        return value;
+    }
+    filter->sum -= filter->values[filter->index];
+    filter->values[filter->index] = value;
+    filter->sum += filter->values[filter->index];
+    filter->index++;
+    filter->index = filter->index % filter->size;
+    if (filter->count < filter->size) {
+        filter->count++;
+    }
+    return filter->sum / filter->count;
+}
+
+static void rgb_print(dl_matrix3du_t *image_matrix, uint32_t color, const char * str){
+    fb_data_t fb;
+    fb.width = image_matrix->w;
+    fb.height = image_matrix->h;
+    fb.data = image_matrix->item;
+    fb.bytes_per_pixel = 3;
+    fb.format = FB_BGR888;
+    fb_gfx_print(&fb, (fb.width - (strlen(str) * 14)) / 2, 10, color, str);
+}
+
+static int rgb_printf(dl_matrix3du_t *image_matrix, uint32_t color, const char *format, ...){
+    char loc_buf[64];
+    char * temp = loc_buf;
+    int len;
+    va_list arg;
+    va_list copy;
+    va_start(arg, format);
+    va_copy(copy, arg);
+    len = vsnprintf(loc_buf, sizeof(loc_buf), format, arg);
+    va_end(copy);
+    if(len >= sizeof(loc_buf)){
+        temp = (char*)malloc(len+1);
+        if(temp == NULL) {
+            return 0;
+        }
+    }
+    vsnprintf(temp, len+1, format, arg);
+    va_end(arg);
+    rgb_print(image_matrix, color, temp);
+    if(len > 64){
+        free(temp);
+    }
+    return len;
+}
+
+static void draw_face_boxes(dl_matrix3du_t *image_matrix, box_array_t *boxes, int face_id){
+    int x, y, w, h, i;
+    uint32_t color = FACE_COLOR_YELLOW;
+    if(face_id < 0){
+        color = FACE_COLOR_RED;
+    } else if(face_id > 0){
+        color = FACE_COLOR_GREEN;
+    }
+    fb_data_t fb;
+    fb.width = image_matrix->w;
+    fb.height = image_matrix->h;
+    fb.data = image_matrix->item;
+    fb.bytes_per_pixel = 3;
+    fb.format = FB_BGR888;
+    for (i = 0; i < boxes->len; i++){
+        // rectangle box
+        x = (int)boxes->box[i].box_p[0];
+        y = (int)boxes->box[i].box_p[1];
+        w = (int)boxes->box[i].box_p[2] - x + 1;
+        h = (int)boxes->box[i].box_p[3] - y + 1;
+        fb_gfx_drawFastHLine(&fb, x, y, w, color);
+        fb_gfx_drawFastHLine(&fb, x, y+h-1, w, color);
+        fb_gfx_drawFastVLine(&fb, x, y, h, color);
+        fb_gfx_drawFastVLine(&fb, x+w-1, y, h, color);
+#if 0
+        // landmark
+        int x0, y0, j;
+        for (j = 0; j < 10; j+=2) {
+            x0 = (int)boxes->landmark[i].landmark_p[j];
+            y0 = (int)boxes->landmark[i].landmark_p[j+1];
+            fb_gfx_fillRect(&fb, x0, y0, 3, 3, color);
+        }
+#endif
+    }
+}
+
+static int run_face_recognition(dl_matrix3du_t *image_matrix, box_array_t *net_boxes){
+    dl_matrix3du_t *aligned_face = NULL;
+    int matched_id = 0;
+
+    aligned_face = dl_matrix3du_alloc(1, FACE_WIDTH, FACE_HEIGHT, 3);
+    if(!aligned_face){
+        Serial.println("Could not allocate face recognition buffer");
+        return matched_id;
+    }
+    if (align_face(net_boxes, image_matrix, aligned_face) == ESP_OK){
+        if (is_enrolling == 1){
+            int8_t left_sample_face = enroll_face(&id_list, aligned_face);
+
+            if(left_sample_face == (ENROLL_CONFIRM_TIMES - 1)){
+                Serial.printf("Enrolling Face ID: %d\n", id_list.tail);
+            }
+            Serial.printf("Enrolling Face ID: %d sample %d\n", id_list.tail, ENROLL_CONFIRM_TIMES - left_sample_face);
+            rgb_printf(image_matrix, FACE_COLOR_CYAN, "ID[%u] Sample[%u]", id_list.tail, ENROLL_CONFIRM_TIMES - left_sample_face);
+            if (left_sample_face == 0){
+                is_enrolling = 0;
+                Serial.printf("Enrolled Face ID: %d\n", id_list.tail);
+            }
+        } else {
+            matched_id = recognize_face(&id_list, aligned_face);
+            if (matched_id >= 0) {
+                Serial.printf("Match Face ID: %u\n", matched_id);
+                rgb_printf(image_matrix, FACE_COLOR_GREEN, "Hello Subject %u", matched_id);
+            } else {
+                Serial.println("No Match Found");
+                rgb_print(image_matrix, FACE_COLOR_RED, "Intruder Alert!");
+                matched_id = -1;
+            }
+        }
+    } else {
+        Serial.println("Face Not Aligned");
+        //rgb_print(image_matrix, FACE_COLOR_YELLOW, "Human Detected");
+    }
+
+    dl_matrix3du_free(aligned_face);
+    return matched_id;
+}
+
+static size_t jpg_encode_stream(void * arg, size_t index, const void* data, size_t len){
+    jpg_chunking_t *j = (jpg_chunking_t *)arg;
+    if(!index){
+        j->len = 0;
+    }
+    if(httpd_resp_send_chunk(j->req, (const char *)data, len) != ESP_OK){
+        return 0;
+    }
+    j->len += len;
+    return len;
+}
+
+static esp_err_t capture_handler(httpd_req_t *req){
+    camera_fb_t * fb = NULL;
+    esp_err_t res = ESP_OK;
+    int64_t fr_start = esp_timer_get_time();
+
+    fb = esp_camera_fb_get();
+    if (!fb) {
+        Serial.println("Camera capture failed");
+        httpd_resp_send_500(req);
+        return ESP_FAIL;
+    }
+
+    httpd_resp_set_type(req, "image/jpeg");
+    httpd_resp_set_hdr(req, "Content-Disposition", "inline; filename=capture.jpg");
+    httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
+
+    size_t out_len, out_width, out_height;
+    uint8_t * out_buf;
+    bool s;
+    bool detected = false;
+    int face_id = 0;
+    if(!detection_enabled || fb->width > 400){
+        size_t fb_len = 0;
+        if(fb->format == PIXFORMAT_JPEG){
+            fb_len = fb->len;
+            res = httpd_resp_send(req, (const char *)fb->buf, fb->len);
+        } else {
+            jpg_chunking_t jchunk = {req, 0};
+            res = frame2jpg_cb(fb, 80, jpg_encode_stream, &jchunk)?ESP_OK:ESP_FAIL;
+            httpd_resp_send_chunk(req, NULL, 0);
+            fb_len = jchunk.len;
+        }
+        esp_camera_fb_return(fb);
+        int64_t fr_end = esp_timer_get_time();
+        Serial.printf("JPG: %uB %ums\n", (uint32_t)(fb_len), (uint32_t)((fr_end - fr_start)/1000));
+        return res;
+    }
+
+    dl_matrix3du_t *image_matrix = dl_matrix3du_alloc(1, fb->width, fb->height, 3);
+    if (!image_matrix) {
+        esp_camera_fb_return(fb);
+        Serial.println("dl_matrix3du_alloc failed");
+        httpd_resp_send_500(req);
+        return ESP_FAIL;
+    }
+
+    out_buf = image_matrix->item;
+    out_len = fb->width * fb->height * 3;
+    out_width = fb->width;
+    out_height = fb->height;
+
+    s = fmt2rgb888(fb->buf, fb->len, fb->format, out_buf);
+    esp_camera_fb_return(fb);
+    if(!s){
+        dl_matrix3du_free(image_matrix);
+        Serial.println("to rgb888 failed");
+        httpd_resp_send_500(req);
+        return ESP_FAIL;
+    }
+
+    box_array_t *net_boxes = face_detect(image_matrix, &mtmn_config);
+
+    if (net_boxes){
+        detected = true;
+        if(recognition_enabled){
+            face_id = run_face_recognition(image_matrix, net_boxes);
+        }
+        draw_face_boxes(image_matrix, net_boxes, face_id);
+        free(net_boxes->score);
+        free(net_boxes->box);
+        free(net_boxes->landmark);
+        free(net_boxes);
+    }
+
+    jpg_chunking_t jchunk = {req, 0};
+    s = fmt2jpg_cb(out_buf, out_len, out_width, out_height, PIXFORMAT_RGB888, 90, jpg_encode_stream, &jchunk);
+    dl_matrix3du_free(image_matrix);
+    if(!s){
+        Serial.println("JPEG compression failed");
+        return ESP_FAIL;
+    }
+
+    int64_t fr_end = esp_timer_get_time();
+    Serial.printf("FACE: %uB %ums %s%d\n", (uint32_t)(jchunk.len), (uint32_t)((fr_end - fr_start)/1000), detected?"DETECTED ":"", face_id);
+    return res;
+}
+
+static esp_err_t stream_handler(httpd_req_t *req){
+    camera_fb_t * fb = NULL;
+    esp_err_t res = ESP_OK;
+    size_t _jpg_buf_len = 0;
+    uint8_t * _jpg_buf = NULL;
+    char * part_buf[64];
+    dl_matrix3du_t *image_matrix = NULL;
+    bool detected = false;
+    int face_id = 0;
+    int64_t fr_start = 0;
+    int64_t fr_ready = 0;
+    int64_t fr_face = 0;
+    int64_t fr_recognize = 0;
+    int64_t fr_encode = 0;
+
+    static int64_t last_frame = 0;
+    if(!last_frame) {
+        last_frame = esp_timer_get_time();
+    }
+
+    res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
+    if(res != ESP_OK){
+        return res;
+    }
+
+    httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
+
+    while(true){
+        detected = false;
+        face_id = 0;
+        fb = esp_camera_fb_get();
+        if (!fb) {
+            Serial.println("Camera capture failed");
+            res = ESP_FAIL;
+        } else {
+            fr_start = esp_timer_get_time();
+            fr_ready = fr_start;
+            fr_face = fr_start;
+            fr_encode = fr_start;
+            fr_recognize = fr_start;
+            if(!detection_enabled || fb->width > 400){
+                if(fb->format != PIXFORMAT_JPEG){
+                    bool jpeg_converted = frame2jpg(fb, 80, &_jpg_buf, &_jpg_buf_len);
+                    esp_camera_fb_return(fb);
+                    fb = NULL;
+                    if(!jpeg_converted){
+                        Serial.println("JPEG compression failed");
+                        res = ESP_FAIL;
+                    }
+                } else {
+                    _jpg_buf_len = fb->len;
+                    _jpg_buf = fb->buf;
+                }
+            } else {
+
+                image_matrix = dl_matrix3du_alloc(1, fb->width, fb->height, 3);
+
+                if (!image_matrix) {
+                    Serial.println("dl_matrix3du_alloc failed");
+                    res = ESP_FAIL;
+                } else {
+                    if(!fmt2rgb888(fb->buf, fb->len, fb->format, image_matrix->item)){
+                        Serial.println("fmt2rgb888 failed");
+                        res = ESP_FAIL;
+                    } else {
+                        fr_ready = esp_timer_get_time();
+                        box_array_t *net_boxes = NULL;
+                        if(detection_enabled){
+                            net_boxes = face_detect(image_matrix, &mtmn_config);
+                        }
+                        fr_face = esp_timer_get_time();
+                        fr_recognize = fr_face;
+                        if (net_boxes || fb->format != PIXFORMAT_JPEG){
+                            if(net_boxes){
+                                detected = true;
+                                if(recognition_enabled){
+                                    face_id = run_face_recognition(image_matrix, net_boxes);
+                                }
+                                fr_recognize = esp_timer_get_time();
+                                draw_face_boxes(image_matrix, net_boxes, face_id);
+                                free(net_boxes->score);
+                                free(net_boxes->box);
+                                free(net_boxes->landmark);
+                                free(net_boxes);
+                            }
+                            if(!fmt2jpg(image_matrix->item, fb->width*fb->height*3, fb->width, fb->height, PIXFORMAT_RGB888, 90, &_jpg_buf, &_jpg_buf_len)){
+                                Serial.println("fmt2jpg failed");
+                                res = ESP_FAIL;
+                            }
+                            esp_camera_fb_return(fb);
+                            fb = NULL;
+                        } else {
+                            _jpg_buf = fb->buf;
+                            _jpg_buf_len = fb->len;
+                        }
+                        fr_encode = esp_timer_get_time();
+                    }
+                    dl_matrix3du_free(image_matrix);
+                }
+            }
+        }
+        if(res == ESP_OK){
+            size_t hlen = snprintf((char *)part_buf, 64, _STREAM_PART, _jpg_buf_len);
+            res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
+        }
+        if(res == ESP_OK){
+            res = httpd_resp_send_chunk(req, (const char *)_jpg_buf, _jpg_buf_len);
+        }
+        if(res == ESP_OK){
+            res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
+        }
+        if(fb){
+            esp_camera_fb_return(fb);
+            fb = NULL;
+            _jpg_buf = NULL;
+        } else if(_jpg_buf){
+            free(_jpg_buf);
+            _jpg_buf = NULL;
+        }
+        if(res != ESP_OK){
+            break;
+        }
+        int64_t fr_end = esp_timer_get_time();
+
+        int64_t ready_time = (fr_ready - fr_start)/1000;
+        int64_t face_time = (fr_face - fr_ready)/1000;
+        int64_t recognize_time = (fr_recognize - fr_face)/1000;
+        int64_t encode_time = (fr_encode - fr_recognize)/1000;
+        int64_t process_time = (fr_encode - fr_start)/1000;
+        
+        int64_t frame_time = fr_end - last_frame;
+        last_frame = fr_end;
+        frame_time /= 1000;
+        uint32_t avg_frame_time = ra_filter_run(&ra_filter, frame_time);
+        Serial.printf("MJPG: %uB %ums (%.1ffps), AVG: %ums (%.1ffps), %u+%u+%u+%u=%u %s%d\n",
+            (uint32_t)(_jpg_buf_len),
+            (uint32_t)frame_time, 1000.0 / (uint32_t)frame_time,
+            avg_frame_time, 1000.0 / avg_frame_time,
+            (uint32_t)ready_time, (uint32_t)face_time, (uint32_t)recognize_time, (uint32_t)encode_time, (uint32_t)process_time,
+            (detected)?"DETECTED ":"", face_id
+        );
+    }
+
+    last_frame = 0;
+    return res;
+}
+
+static esp_err_t cmd_handler(httpd_req_t *req){
+    char*  buf;
+    size_t buf_len;
+    char variable[32] = {0,};
+    char value[32] = {0,};
+
+    buf_len = httpd_req_get_url_query_len(req) + 1;
+    if (buf_len > 1) {
+        buf = (char*)malloc(buf_len);
+        if(!buf){
+            httpd_resp_send_500(req);
+            return ESP_FAIL;
+        }
+        if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK) {
+            if (httpd_query_key_value(buf, "var", variable, sizeof(variable)) == ESP_OK &&
+                httpd_query_key_value(buf, "val", value, sizeof(value)) == ESP_OK) {
+            } else {
+                free(buf);
+                httpd_resp_send_404(req);
+                return ESP_FAIL;
+            }
+        } else {
+            free(buf);
+            httpd_resp_send_404(req);
+            return ESP_FAIL;
+        }
+        free(buf);
+    } else {
+        httpd_resp_send_404(req);
+        return ESP_FAIL;
+    }
+
+    int val = atoi(value);
+    sensor_t * s = esp_camera_sensor_get();
+    int res = 0;
+
+    if(!strcmp(variable, "framesize")) {
+        if(s->pixformat == PIXFORMAT_JPEG) res = s->set_framesize(s, (framesize_t)val);
+    }
+    else if(!strcmp(variable, "quality")) res = s->set_quality(s, val);
+    else if(!strcmp(variable, "contrast")) res = s->set_contrast(s, val);
+    else if(!strcmp(variable, "brightness")) res = s->set_brightness(s, val);
+    else if(!strcmp(variable, "saturation")) res = s->set_saturation(s, val);
+    else if(!strcmp(variable, "gainceiling")) res = s->set_gainceiling(s, (gainceiling_t)val);
+    else if(!strcmp(variable, "colorbar")) res = s->set_colorbar(s, val);
+    else if(!strcmp(variable, "awb")) res = s->set_whitebal(s, val);
+    else if(!strcmp(variable, "agc")) res = s->set_gain_ctrl(s, val);
+    else if(!strcmp(variable, "aec")) res = s->set_exposure_ctrl(s, val);
+    else if(!strcmp(variable, "hmirror")) res = s->set_hmirror(s, val);
+    else if(!strcmp(variable, "vflip")) res = s->set_vflip(s, val);
+    else if(!strcmp(variable, "awb_gain")) res = s->set_awb_gain(s, val);
+    else if(!strcmp(variable, "agc_gain")) res = s->set_agc_gain(s, val);
+    else if(!strcmp(variable, "aec_value")) res = s->set_aec_value(s, val);
+    else if(!strcmp(variable, "aec2")) res = s->set_aec2(s, val);
+    else if(!strcmp(variable, "dcw")) res = s->set_dcw(s, val);
+    else if(!strcmp(variable, "bpc")) res = s->set_bpc(s, val);
+    else if(!strcmp(variable, "wpc")) res = s->set_wpc(s, val);
+    else if(!strcmp(variable, "raw_gma")) res = s->set_raw_gma(s, val);
+    else if(!strcmp(variable, "lenc")) res = s->set_lenc(s, val);
+    else if(!strcmp(variable, "special_effect")) res = s->set_special_effect(s, val);
+    else if(!strcmp(variable, "wb_mode")) res = s->set_wb_mode(s, val);
+    else if(!strcmp(variable, "ae_level")) res = s->set_ae_level(s, val);
+    else if(!strcmp(variable, "face_detect")) {
+        detection_enabled = val;
+        if(!detection_enabled) {
+            recognition_enabled = 0;
+        }
+    }
+    else if(!strcmp(variable, "face_enroll")) is_enrolling = val;
+    else if(!strcmp(variable, "face_recognize")) {
+        recognition_enabled = val;
+        if(recognition_enabled){
+            detection_enabled = val;
+        }
+    }
+    else {
+        res = -1;
+    }
+
+    if(res){
+        return httpd_resp_send_500(req);
+    }
+
+    httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
+    return httpd_resp_send(req, NULL, 0);
+}
+
+static esp_err_t status_handler(httpd_req_t *req){
+    static char json_response[1024];
+
+    sensor_t * s = esp_camera_sensor_get();
+    char * p = json_response;
+    *p++ = '{';
+
+    p+=sprintf(p, "\"framesize\":%u,", s->status.framesize);
+    p+=sprintf(p, "\"quality\":%u,", s->status.quality);
+    p+=sprintf(p, "\"brightness\":%d,", s->status.brightness);
+    p+=sprintf(p, "\"contrast\":%d,", s->status.contrast);
+    p+=sprintf(p, "\"saturation\":%d,", s->status.saturation);
+    p+=sprintf(p, "\"sharpness\":%d,", s->status.sharpness);
+    p+=sprintf(p, "\"special_effect\":%u,", s->status.special_effect);
+    p+=sprintf(p, "\"wb_mode\":%u,", s->status.wb_mode);
+    p+=sprintf(p, "\"awb\":%u,", s->status.awb);
+    p+=sprintf(p, "\"awb_gain\":%u,", s->status.awb_gain);
+    p+=sprintf(p, "\"aec\":%u,", s->status.aec);
+    p+=sprintf(p, "\"aec2\":%u,", s->status.aec2);
+    p+=sprintf(p, "\"ae_level\":%d,", s->status.ae_level);
+    p+=sprintf(p, "\"aec_value\":%u,", s->status.aec_value);
+    p+=sprintf(p, "\"agc\":%u,", s->status.agc);
+    p+=sprintf(p, "\"agc_gain\":%u,", s->status.agc_gain);
+    p+=sprintf(p, "\"gainceiling\":%u,", s->status.gainceiling);
+    p+=sprintf(p, "\"bpc\":%u,", s->status.bpc);
+    p+=sprintf(p, "\"wpc\":%u,", s->status.wpc);
+    p+=sprintf(p, "\"raw_gma\":%u,", s->status.raw_gma);
+    p+=sprintf(p, "\"lenc\":%u,", s->status.lenc);
+    p+=sprintf(p, "\"vflip\":%u,", s->status.vflip);
+    p+=sprintf(p, "\"hmirror\":%u,", s->status.hmirror);
+    p+=sprintf(p, "\"dcw\":%u,", s->status.dcw);
+    p+=sprintf(p, "\"colorbar\":%u,", s->status.colorbar);
+    p+=sprintf(p, "\"face_detect\":%u,", detection_enabled);
+    p+=sprintf(p, "\"face_enroll\":%u,", is_enrolling);
+    p+=sprintf(p, "\"face_recognize\":%u", recognition_enabled);
+    *p++ = '}';
+    *p++ = 0;
+    httpd_resp_set_type(req, "application/json");
+    httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
+    return httpd_resp_send(req, json_response, strlen(json_response));
+}
+
+static esp_err_t index_handler(httpd_req_t *req){
+    httpd_resp_set_type(req, "text/html");
+    httpd_resp_set_hdr(req, "Content-Encoding", "gzip");
+    sensor_t * s = esp_camera_sensor_get();
+    if (s->id.PID == OV3660_PID) {
+        return httpd_resp_send(req, (const char *)index_ov3660_html_gz, index_ov3660_html_gz_len);
+    }
+    return httpd_resp_send(req, (const char *)index_ov2640_html_gz, index_ov2640_html_gz_len);
+}
+
+void startCameraServer(){
+    httpd_config_t config = HTTPD_DEFAULT_CONFIG();
+
+    httpd_uri_t index_uri = {
+        .uri       = "/",
+        .method    = HTTP_GET,
+        .handler   = index_handler,
+        .user_ctx  = NULL
+    };
+
+    httpd_uri_t status_uri = {
+        .uri       = "/status",
+        .method    = HTTP_GET,
+        .handler   = status_handler,
+        .user_ctx  = NULL
+    };
+
+    httpd_uri_t cmd_uri = {
+        .uri       = "/control",
+        .method    = HTTP_GET,
+        .handler   = cmd_handler,
+        .user_ctx  = NULL
+    };
+
+    httpd_uri_t capture_uri = {
+        .uri       = "/capture",
+        .method    = HTTP_GET,
+        .handler   = capture_handler,
+        .user_ctx  = NULL
+    };
+
+   httpd_uri_t stream_uri = {
+        .uri       = "/stream",
+        .method    = HTTP_GET,
+        .handler   = stream_handler,
+        .user_ctx  = NULL
+    };
+
+
+    ra_filter_init(&ra_filter, 20);
+    
+    mtmn_config.type = FAST;
+    mtmn_config.min_face = 80;
+    mtmn_config.pyramid = 0.707;
+    mtmn_config.pyramid_times = 4;
+    mtmn_config.p_threshold.score = 0.6;
+    mtmn_config.p_threshold.nms = 0.7;
+    mtmn_config.p_threshold.candidate_number = 20;
+    mtmn_config.r_threshold.score = 0.7;
+    mtmn_config.r_threshold.nms = 0.7;
+    mtmn_config.r_threshold.candidate_number = 10;
+    mtmn_config.o_threshold.score = 0.7;
+    mtmn_config.o_threshold.nms = 0.7;
+    mtmn_config.o_threshold.candidate_number = 1;
+    
+    face_id_init(&id_list, FACE_ID_SAVE_NUMBER, ENROLL_CONFIRM_TIMES);
+    
+    Serial.printf("Starting web server on port: '%d'\n", config.server_port);
+    if (httpd_start(&camera_httpd, &config) == ESP_OK) {
+        httpd_register_uri_handler(camera_httpd, &index_uri);
+        httpd_register_uri_handler(camera_httpd, &cmd_uri);
+        httpd_register_uri_handler(camera_httpd, &status_uri);
+        httpd_register_uri_handler(camera_httpd, &capture_uri);
+    }
+
+    config.server_port += 1;
+    config.ctrl_port += 1;
+    Serial.printf("Starting stream server on port: '%d'\n", config.server_port);
+    if (httpd_start(&stream_httpd, &config) == ESP_OK) {
+        httpd_register_uri_handler(stream_httpd, &stream_uri);
+    }
+}

camera_index.h

@@ -0,0 +1,99 @@
+
+#if defined(CAMERA_MODEL_WROVER_KIT)
+#define PWDN_GPIO_NUM    -1
+#define RESET_GPIO_NUM   -1
+#define XCLK_GPIO_NUM    21
+#define SIOD_GPIO_NUM    26
+#define SIOC_GPIO_NUM    27
+
+#define Y9_GPIO_NUM      35
+#define Y8_GPIO_NUM      34
+#define Y7_GPIO_NUM      39
+#define Y6_GPIO_NUM      36
+#define Y5_GPIO_NUM      19
+#define Y4_GPIO_NUM      18
+#define Y3_GPIO_NUM       5
+#define Y2_GPIO_NUM       4
+#define VSYNC_GPIO_NUM   25
+#define HREF_GPIO_NUM    23
+#define PCLK_GPIO_NUM    22
+
+#elif defined(CAMERA_MODEL_ESP_EYE)
+#define PWDN_GPIO_NUM    -1
+#define RESET_GPIO_NUM   -1
+#define XCLK_GPIO_NUM    4
+#define SIOD_GPIO_NUM    18
+#define SIOC_GPIO_NUM    23
+
+#define Y9_GPIO_NUM      36
+#define Y8_GPIO_NUM      37
+#define Y7_GPIO_NUM      38
+#define Y6_GPIO_NUM      39
+#define Y5_GPIO_NUM      35
+#define Y4_GPIO_NUM      14
+#define Y3_GPIO_NUM      13
+#define Y2_GPIO_NUM      34
+#define VSYNC_GPIO_NUM   5
+#define HREF_GPIO_NUM    27
+#define PCLK_GPIO_NUM    25
+
+#elif defined(CAMERA_MODEL_M5STACK_PSRAM)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    15
+#define XCLK_GPIO_NUM     27
+#define SIOD_GPIO_NUM     25
+#define SIOC_GPIO_NUM     23
+
+#define Y9_GPIO_NUM       19
+#define Y8_GPIO_NUM       36
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       39
+#define Y5_GPIO_NUM        5
+#define Y4_GPIO_NUM       34
+#define Y3_GPIO_NUM       35
+#define Y2_GPIO_NUM       32
+#define VSYNC_GPIO_NUM    22
+#define HREF_GPIO_NUM     26
+#define PCLK_GPIO_NUM     21
+
+#elif defined(CAMERA_MODEL_M5STACK_WIDE)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    15
+#define XCLK_GPIO_NUM     27
+#define SIOD_GPIO_NUM     22
+#define SIOC_GPIO_NUM     23
+
+#define Y9_GPIO_NUM       19
+#define Y8_GPIO_NUM       36
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       39
+#define Y5_GPIO_NUM        5
+#define Y4_GPIO_NUM       34
+#define Y3_GPIO_NUM       35
+#define Y2_GPIO_NUM       32
+#define VSYNC_GPIO_NUM    25
+#define HREF_GPIO_NUM     26
+#define PCLK_GPIO_NUM     21
+
+#elif defined(CAMERA_MODEL_AI_THINKER)
+#define PWDN_GPIO_NUM     32
+#define RESET_GPIO_NUM    -1
+#define XCLK_GPIO_NUM      0
+#define SIOD_GPIO_NUM     26
+#define SIOC_GPIO_NUM     27
+
+#define Y9_GPIO_NUM       35
+#define Y8_GPIO_NUM       34
+#define Y7_GPIO_NUM       39
+#define Y6_GPIO_NUM       36
+#define Y5_GPIO_NUM       21
+#define Y4_GPIO_NUM       19
+#define Y3_GPIO_NUM       18
+#define Y2_GPIO_NUM        5
+#define VSYNC_GPIO_NUM    25
+#define HREF_GPIO_NUM     23
+#define PCLK_GPIO_NUM     22
+
+#else
+#error "Camera model not selected"
+#endif