diff options
Diffstat (limited to 'arduino/ESP32CameraWebServer/app_httpd.cpp')
| -rw-r--r-- | arduino/ESP32CameraWebServer/app_httpd.cpp | 1287 |
1 files changed, 1287 insertions, 0 deletions
diff --git a/arduino/ESP32CameraWebServer/app_httpd.cpp b/arduino/ESP32CameraWebServer/app_httpd.cpp new file mode 100644 index 0000000..e397c70 --- /dev/null +++ b/arduino/ESP32CameraWebServer/app_httpd.cpp @@ -0,0 +1,1287 @@ +// 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 <Arduino.h> + +#include "esp_http_server.h" +#include "esp_timer.h" +#include "esp_camera.h" +#include "img_converters.h" +#include "fb_gfx.h" +#include "driver/ledc.h" +#include "sdkconfig.h" +#include "camera_index.h" + +#if defined(ARDUINO_ARCH_ESP32) && defined(CONFIG_ARDUHAL_ESP_LOG) +#include "esp32-hal-log.h" +#define TAG "" +#else +#include "esp_log.h" +static const char *TAG = "camera_httpd"; +#endif + +// Face Detection will not work on boards without (or with disabled) PSRAM +#ifdef BOARD_HAS_PSRAM +#define CONFIG_ESP_FACE_DETECT_ENABLED 1 +// Face Recognition takes upward from 15 seconds per frame on chips other than ESP32S3 +// Makes no sense to have it enabled for them +#if CONFIG_IDF_TARGET_ESP32S3 +#define CONFIG_ESP_FACE_RECOGNITION_ENABLED 1 +#else +#define CONFIG_ESP_FACE_RECOGNITION_ENABLED 0 +#endif +#else +#define CONFIG_ESP_FACE_DETECT_ENABLED 0 +#define CONFIG_ESP_FACE_RECOGNITION_ENABLED 0 +#endif + +#if CONFIG_ESP_FACE_DETECT_ENABLED + +#include <vector> +#include "human_face_detect_msr01.hpp" +#include "human_face_detect_mnp01.hpp" + +#define TWO_STAGE 1 /*<! 1: detect by two-stage which is more accurate but slower(with keypoints). */ + /*<! 0: detect by one-stage which is less accurate but faster(without keypoints). */ + +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED +#include "face_recognition_tool.hpp" +#include "face_recognition_112_v1_s16.hpp" +#include "face_recognition_112_v1_s8.hpp" + +#define QUANT_TYPE 0 //if set to 1 => very large firmware, very slow, reboots when streaming... + +#define FACE_ID_SAVE_NUMBER 7 +#endif + +#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) +#endif + +#ifdef CONFIG_LED_ILLUMINATOR_ENABLED +int led_duty = 0; +bool isStreaming = false; +#ifdef CONFIG_LED_LEDC_LOW_SPEED_MODE +#define CONFIG_LED_LEDC_SPEED_MODE LEDC_LOW_SPEED_MODE +#else +#define CONFIG_LED_LEDC_SPEED_MODE LEDC_HIGH_SPEED_MODE +#endif +#endif + +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\nX-Timestamp: %d.%06d\r\n\r\n"; + +httpd_handle_t stream_httpd = NULL; +httpd_handle_t camera_httpd = NULL; + +#if CONFIG_ESP_FACE_DETECT_ENABLED + +static int8_t detection_enabled = 0; + +// #if TWO_STAGE +// static HumanFaceDetectMSR01 s1(0.1F, 0.5F, 10, 0.2F); +// static HumanFaceDetectMNP01 s2(0.5F, 0.3F, 5); +// #else +// static HumanFaceDetectMSR01 s1(0.3F, 0.5F, 10, 0.2F); +// #endif + +static int8_t flash_enabled = 0; + +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED +static int8_t recognition_enabled = 0; +static int8_t is_enrolling = 0; + +#if QUANT_TYPE + // S16 model + FaceRecognition112V1S16 recognizer; +#else + // S8 model + FaceRecognition112V1S8 recognizer; +#endif +#endif + +#endif + +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; + +static ra_filter_t ra_filter; + +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; +} + +#if CONFIG_ESP_FACE_DETECT_ENABLED +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED +static void rgb_print(fb_data_t *fb, uint32_t color, const char *str) +{ + fb_gfx_print(fb, (fb->width - (strlen(str) * 14)) / 2, 10, color, str); +} + +static int rgb_printf(fb_data_t *fb, 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(fb, color, temp); + if (len > 64) + { + free(temp); + } + return len; +} +#endif +static void draw_face_boxes(fb_data_t *fb, std::list<dl::detect::result_t> *results, int face_id) +{ + int x, y, w, h; + uint32_t color = FACE_COLOR_YELLOW; + if (face_id < 0) + { + color = FACE_COLOR_RED; + } + else if (face_id > 0) + { + color = FACE_COLOR_GREEN; + } + if(fb->bytes_per_pixel == 2){ + //color = ((color >> 8) & 0xF800) | ((color >> 3) & 0x07E0) | (color & 0x001F); + color = ((color >> 16) & 0x001F) | ((color >> 3) & 0x07E0) | ((color << 8) & 0xF800); + } + int i = 0; + for (std::list<dl::detect::result_t>::iterator prediction = results->begin(); prediction != results->end(); prediction++, i++) + { + // rectangle box + x = (int)prediction->box[0]; + y = (int)prediction->box[1]; + w = (int)prediction->box[2] - x + 1; + h = (int)prediction->box[3] - y + 1; + if((x + w) > fb->width){ + w = fb->width - x; + } + if((y + h) > fb->height){ + h = fb->height - y; + } + 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 TWO_STAGE + // landmarks (left eye, mouth left, nose, right eye, mouth right) + int x0, y0, j; + for (j = 0; j < 10; j+=2) { + x0 = (int)prediction->keypoint[j]; + y0 = (int)prediction->keypoint[j+1]; + fb_gfx_fillRect(fb, x0, y0, 3, 3, color); + } +#endif + } +} + +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED +static int run_face_recognition(fb_data_t *fb, std::list<dl::detect::result_t> *results) +{ + std::vector<int> landmarks = results->front().keypoint; + int id = -1; + + Tensor<uint8_t> tensor; + tensor.set_element((uint8_t *)fb->data).set_shape({fb->height, fb->width, 3}).set_auto_free(false); + + int enrolled_count = recognizer.get_enrolled_id_num(); + + if (enrolled_count < FACE_ID_SAVE_NUMBER && is_enrolling){ + id = recognizer.enroll_id(tensor, landmarks, "", true); + ESP_LOGI(TAG, "Enrolled ID: %d", id); + rgb_printf(fb, FACE_COLOR_CYAN, "ID[%u]", id); + } + + face_info_t recognize = recognizer.recognize(tensor, landmarks); + if(recognize.id >= 0){ + rgb_printf(fb, FACE_COLOR_GREEN, "ID[%u]: %.2f", recognize.id, recognize.similarity); + } else { + rgb_print(fb, FACE_COLOR_RED, "Intruder Alert!"); + } + return recognize.id; +} +#endif +#endif + +#ifdef CONFIG_LED_ILLUMINATOR_ENABLED +void enable_led(bool en) +{ // Turn LED On or Off + int duty = en ? led_duty : 0; + if (en && isStreaming && (led_duty > CONFIG_LED_MAX_INTENSITY)) + { + duty = CONFIG_LED_MAX_INTENSITY; + } + ledc_set_duty(CONFIG_LED_LEDC_SPEED_MODE, CONFIG_LED_LEDC_CHANNEL, duty); + ledc_update_duty(CONFIG_LED_LEDC_SPEED_MODE, CONFIG_LED_LEDC_CHANNEL); + ESP_LOGI(TAG, "Set LED intensity to %d", duty); +} +#endif + +static esp_err_t bmp_handler(httpd_req_t *req) +{ + camera_fb_t *fb = NULL; + esp_err_t res = ESP_OK; + uint64_t fr_start = esp_timer_get_time(); + fb = esp_camera_fb_get(); + if (!fb) + { + ESP_LOGE(TAG, "Camera capture failed"); + httpd_resp_send_500(req); + return ESP_FAIL; + } + + httpd_resp_set_type(req, "image/x-windows-bmp"); + httpd_resp_set_hdr(req, "Content-Disposition", "inline; filename=capture.bmp"); + httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*"); + + char ts[32]; + snprintf(ts, 32, "%ld.%06ld", fb->timestamp.tv_sec, fb->timestamp.tv_usec); + httpd_resp_set_hdr(req, "X-Timestamp", (const char *)ts); + + + uint8_t * buf = NULL; + size_t buf_len = 0; + bool converted = frame2bmp(fb, &buf, &buf_len); + esp_camera_fb_return(fb); + if(!converted){ + ESP_LOGE(TAG, "BMP Conversion failed"); + httpd_resp_send_500(req); + return ESP_FAIL; + } + res = httpd_resp_send(req, (const char *)buf, buf_len); + free(buf); + uint64_t fr_end = esp_timer_get_time(); + ESP_LOGI(TAG, "BMP: %llums, %uB", (uint64_t)((fr_end - fr_start) / 1000), buf_len); + return res; +} + +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(); + +#ifdef CONFIG_LED_ILLUMINATOR_ENABLED + enable_led(true); + vTaskDelay(150 / portTICK_PERIOD_MS); // The LED needs to be turned on ~150ms before the call to esp_camera_fb_get() + fb = esp_camera_fb_get(); // or it won't be visible in the frame. A better way to do this is needed. + enable_led(false); +#else + fb = esp_camera_fb_get(); +#endif + + if (!fb) + { + ESP_LOGE(TAG, "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", "*"); + + char ts[32]; + snprintf(ts, 32, "%ld.%06ld", fb->timestamp.tv_sec, fb->timestamp.tv_usec); + httpd_resp_set_hdr(req, "X-Timestamp", (const char *)ts); + +#if CONFIG_ESP_FACE_DETECT_ENABLED + 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) + { +#endif + 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(); + ESP_LOGI(TAG, "JPG: %uB %ums", (uint32_t)(fb_len), (uint32_t)((fr_end - fr_start) / 1000)); + return res; +#if CONFIG_ESP_FACE_DETECT_ENABLED + } + + jpg_chunking_t jchunk = {req, 0}; + + if (fb->format == PIXFORMAT_RGB565 +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED + && !recognition_enabled +#endif + ){ +#if TWO_STAGE + HumanFaceDetectMSR01 s1(0.1F, 0.5F, 10, 0.2F); + HumanFaceDetectMNP01 s2(0.5F, 0.3F, 5); + std::list<dl::detect::result_t> &candidates = s1.infer((uint16_t *)fb->buf, {(int)fb->height, (int)fb->width, 3}); + std::list<dl::detect::result_t> &results = s2.infer((uint16_t *)fb->buf, {(int)fb->height, (int)fb->width, 3}, candidates); +#else + HumanFaceDetectMSR01 s1(0.3F, 0.5F, 10, 0.2F); + std::list<dl::detect::result_t> &results = s1.infer((uint16_t *)fb->buf, {(int)fb->height, (int)fb->width, 3}); +#endif + if (results.size() > 0) { + fb_data_t rfb; + rfb.width = fb->width; + rfb.height = fb->height; + rfb.data = fb->buf; + rfb.bytes_per_pixel = 2; + rfb.format = FB_RGB565; + detected = true; + draw_face_boxes(&rfb, &results, face_id); + } + s = fmt2jpg_cb(fb->buf, fb->len, fb->width, fb->height, PIXFORMAT_RGB565, 90, jpg_encode_stream, &jchunk); + esp_camera_fb_return(fb); + } else + { + out_len = fb->width * fb->height * 3; + out_width = fb->width; + out_height = fb->height; + out_buf = (uint8_t*)malloc(out_len); + if (!out_buf) { + ESP_LOGE(TAG, "out_buf malloc failed"); + httpd_resp_send_500(req); + return ESP_FAIL; + } + s = fmt2rgb888(fb->buf, fb->len, fb->format, out_buf); + esp_camera_fb_return(fb); + if (!s) { + free(out_buf); + ESP_LOGE(TAG, "to rgb888 failed"); + httpd_resp_send_500(req); + return ESP_FAIL; + } + + fb_data_t rfb; + rfb.width = out_width; + rfb.height = out_height; + rfb.data = out_buf; + rfb.bytes_per_pixel = 3; + rfb.format = FB_BGR888; + +#if TWO_STAGE + HumanFaceDetectMSR01 s1(0.1F, 0.5F, 10, 0.2F); + HumanFaceDetectMNP01 s2(0.5F, 0.3F, 5); + std::list<dl::detect::result_t> &candidates = s1.infer((uint8_t *)out_buf, {(int)out_height, (int)out_width, 3}); + std::list<dl::detect::result_t> &results = s2.infer((uint8_t *)out_buf, {(int)out_height, (int)out_width, 3}, candidates); +#else + HumanFaceDetectMSR01 s1(0.3F, 0.5F, 10, 0.2F); + std::list<dl::detect::result_t> &results = s1.infer((uint8_t *)out_buf, {(int)out_height, (int)out_width, 3}); +#endif + + if (results.size() > 0) { + detected = true; +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED + if (recognition_enabled) { + face_id = run_face_recognition(&rfb, &results); + } +#endif + draw_face_boxes(&rfb, &results, face_id); + } + + s = fmt2jpg_cb(out_buf, out_len, out_width, out_height, PIXFORMAT_RGB888, 90, jpg_encode_stream, &jchunk); + free(out_buf); + } + + if (!s) { + ESP_LOGE(TAG, "JPEG compression failed"); + httpd_resp_send_500(req); + return ESP_FAIL; + } + + int64_t fr_end = esp_timer_get_time(); + ESP_LOGI(TAG, "FACE: %uB %ums %s%d", (uint32_t)(jchunk.len), (uint32_t)((fr_end - fr_start) / 1000), detected ? "DETECTED " : "", face_id); + return res; +#endif +} + +static esp_err_t stream_handler(httpd_req_t *req) +{ + camera_fb_t *fb = NULL; + struct timeval _timestamp; + esp_err_t res = ESP_OK; + size_t _jpg_buf_len = 0; + uint8_t *_jpg_buf = NULL; + char *part_buf[128]; +#if CONFIG_ESP_FACE_DETECT_ENABLED + 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; + + size_t out_len = 0, out_width = 0, out_height = 0; + uint8_t *out_buf = NULL; + bool s = false; +#if TWO_STAGE + HumanFaceDetectMSR01 s1(0.1F, 0.5F, 10, 0.2F); + HumanFaceDetectMNP01 s2(0.5F, 0.3F, 5); +#else + HumanFaceDetectMSR01 s1(0.3F, 0.5F, 10, 0.2F); +#endif +#endif + + 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", "*"); + httpd_resp_set_hdr(req, "X-Framerate", "60"); + +#ifdef CONFIG_LED_ILLUMINATOR_ENABLED + enable_led(true); + isStreaming = true; +#endif + + while (true) + { +#if CONFIG_ESP_FACE_DETECT_ENABLED + detected = false; + face_id = 0; +#endif + + fb = esp_camera_fb_get(); + if (!fb) + { + ESP_LOGE(TAG, "Camera capture failed"); + res = ESP_FAIL; + } + else + { + _timestamp.tv_sec = fb->timestamp.tv_sec; + _timestamp.tv_usec = fb->timestamp.tv_usec; +#if CONFIG_ESP_FACE_DETECT_ENABLED + 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) + { +#endif + 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) + { + ESP_LOGE(TAG, "JPEG compression failed"); + res = ESP_FAIL; + } + } + else + { + _jpg_buf_len = fb->len; + _jpg_buf = fb->buf; + } +#if CONFIG_ESP_FACE_DETECT_ENABLED + } + else + { + if (fb->format == PIXFORMAT_RGB565 +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED + && !recognition_enabled +#endif + ){ + fr_ready = esp_timer_get_time(); +#if TWO_STAGE + std::list<dl::detect::result_t> &candidates = s1.infer((uint16_t *)fb->buf, {(int)fb->height, (int)fb->width, 3}); + std::list<dl::detect::result_t> &results = s2.infer((uint16_t *)fb->buf, {(int)fb->height, (int)fb->width, 3}, candidates); +#else + std::list<dl::detect::result_t> &results = s1.infer((uint16_t *)fb->buf, {(int)fb->height, (int)fb->width, 3}); +#endif + fr_face = esp_timer_get_time(); + fr_recognize = fr_face; + if (results.size() > 0) { + fb_data_t rfb; + rfb.width = fb->width; + rfb.height = fb->height; + rfb.data = fb->buf; + rfb.bytes_per_pixel = 2; + rfb.format = FB_RGB565; + detected = true; + draw_face_boxes(&rfb, &results, face_id); + } + s = fmt2jpg(fb->buf, fb->len, fb->width, fb->height, PIXFORMAT_RGB565, 80, &_jpg_buf, &_jpg_buf_len); + esp_camera_fb_return(fb); + fb = NULL; + if (!s) { + ESP_LOGE(TAG, "fmt2jpg failed"); + res = ESP_FAIL; + } + fr_encode = esp_timer_get_time(); + } else + { + out_len = fb->width * fb->height * 3; + out_width = fb->width; + out_height = fb->height; + out_buf = (uint8_t*)malloc(out_len); + if (!out_buf) { + ESP_LOGE(TAG, "out_buf malloc failed"); + res = ESP_FAIL; + } else { + s = fmt2rgb888(fb->buf, fb->len, fb->format, out_buf); + esp_camera_fb_return(fb); + fb = NULL; + if (!s) { + free(out_buf); + ESP_LOGE(TAG, "to rgb888 failed"); + res = ESP_FAIL; + } else { + fr_ready = esp_timer_get_time(); + + fb_data_t rfb; + rfb.width = out_width; + rfb.height = out_height; + rfb.data = out_buf; + rfb.bytes_per_pixel = 3; + rfb.format = FB_BGR888; + +#if TWO_STAGE + std::list<dl::detect::result_t> &candidates = s1.infer((uint8_t *)out_buf, {(int)out_height, (int)out_width, 3}); + std::list<dl::detect::result_t> &results = s2.infer((uint8_t *)out_buf, {(int)out_height, (int)out_width, 3}, candidates); +#else + std::list<dl::detect::result_t> &results = s1.infer((uint8_t *)out_buf, {(int)out_height, (int)out_width, 3}); +#endif + + fr_face = esp_timer_get_time(); + fr_recognize = fr_face; + + if (results.size() > 0) { + detected = true; +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED + if (recognition_enabled) { + face_id = run_face_recognition(&rfb, &results); + fr_recognize = esp_timer_get_time(); + } +#endif + draw_face_boxes(&rfb, &results, face_id); + } + s = fmt2jpg(out_buf, out_len, out_width, out_height, PIXFORMAT_RGB888, 90, &_jpg_buf, &_jpg_buf_len); + free(out_buf); + if (!s) { + ESP_LOGE(TAG, "fmt2jpg failed"); + res = ESP_FAIL; + } + fr_encode = esp_timer_get_time(); + } + } + } + } +#endif + } + if (res == ESP_OK) + { + res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY)); + } + if (res == ESP_OK) + { + size_t hlen = snprintf((char *)part_buf, 128, _STREAM_PART, _jpg_buf_len, _timestamp.tv_sec, _timestamp.tv_usec); + 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 (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) + { + ESP_LOGE(TAG, "send frame failed failed"); + break; + } + int64_t fr_end = esp_timer_get_time(); + +#if CONFIG_ESP_FACE_DETECT_ENABLED + 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; +#endif + + 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); + ESP_LOGI(TAG, "MJPG: %uB %ums (%.1ffps), AVG: %ums (%.1ffps)" +#if CONFIG_ESP_FACE_DETECT_ENABLED + ", %u+%u+%u+%u=%u %s%d" +#endif + , + (uint32_t)(_jpg_buf_len), + (uint32_t)frame_time, 1000.0 / (uint32_t)frame_time, + avg_frame_time, 1000.0 / avg_frame_time +#if CONFIG_ESP_FACE_DETECT_ENABLED + , + (uint32_t)ready_time, (uint32_t)face_time, (uint32_t)recognize_time, (uint32_t)encode_time, (uint32_t)process_time, + (detected) ? "DETECTED " : "", face_id +#endif + ); + } + +#ifdef CONFIG_LED_ILLUMINATOR_ENABLED + isStreaming = false; + enable_led(false); +#endif + + last_frame = 0; + return res; +} + +static esp_err_t parse_get(httpd_req_t *req, char **obuf) +{ + char *buf = NULL; + size_t buf_len = 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) { + *obuf = buf; + return ESP_OK; + } + free(buf); + } + httpd_resp_send_404(req); + return ESP_FAIL; +} + +static esp_err_t cmd_handler(httpd_req_t *req) +{ + char *buf = NULL; + char variable[32]; + char value[32]; + + if (parse_get(req, &buf) != ESP_OK) { + return ESP_FAIL; + } + if (httpd_query_key_value(buf, "var", variable, sizeof(variable)) != ESP_OK || + httpd_query_key_value(buf, "val", value, sizeof(value)) != ESP_OK) { + free(buf); + httpd_resp_send_404(req); + return ESP_FAIL; + } + free(buf); + + int val = atoi(value); + ESP_LOGI(TAG, "%s = %d", variable, val); + 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); +#ifdef CONFIG_LED_ILLUMINATOR_ENABLED + else if (!strcmp(variable, "led_intensity")) { + led_duty = val; + if (isStreaming) + enable_led(true); + } +#endif + +#if CONFIG_ESP_FACE_DETECT_ENABLED + else if (!strcmp(variable, "face_detect")) { + detection_enabled = val; +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED + if (!detection_enabled) { + recognition_enabled = 0; + } +#endif + } +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED + else if (!strcmp(variable, "face_enroll")){ + is_enrolling = !is_enrolling; + ESP_LOGI(TAG, "Enrolling: %s", is_enrolling?"true":"false"); + } + else if (!strcmp(variable, "face_recognize")) { + recognition_enabled = val; + if (recognition_enabled) { + detection_enabled = val; + } + } +#endif +#endif + else if(!strcmp(variable, "flash") ) { + pinMode(4, OUTPUT); + digitalWrite(4, atoi(value)); + flash_enabled = atoi(value); + } + else { + ESP_LOGI(TAG, "Unknown command: %s", variable); + res = -1; + } + + if (res < 0) { + return httpd_resp_send_500(req); + } + + httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*"); + return httpd_resp_send(req, NULL, 0); +} + +static int print_reg(char * p, sensor_t * s, uint16_t reg, uint32_t mask){ + return sprintf(p, "\"0x%x\":%u,", reg, s->get_reg(s, reg, mask)); +} + +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++ = '{'; + + if(s->id.PID == OV5640_PID || s->id.PID == OV3660_PID){ + for(int reg = 0x3400; reg < 0x3406; reg+=2){ + p+=print_reg(p, s, reg, 0xFFF);//12 bit + } + p+=print_reg(p, s, 0x3406, 0xFF); + + p+=print_reg(p, s, 0x3500, 0xFFFF0);//16 bit + p+=print_reg(p, s, 0x3503, 0xFF); + p+=print_reg(p, s, 0x350a, 0x3FF);//10 bit + p+=print_reg(p, s, 0x350c, 0xFFFF);//16 bit + + for(int reg = 0x5480; reg <= 0x5490; reg++){ + p+=print_reg(p, s, reg, 0xFF); + } + + for(int reg = 0x5380; reg <= 0x538b; reg++){ + p+=print_reg(p, s, reg, 0xFF); + } + + for(int reg = 0x5580; reg < 0x558a; reg++){ + p+=print_reg(p, s, reg, 0xFF); + } + p+=print_reg(p, s, 0x558a, 0x1FF);//9 bit + } else if(s->id.PID == OV2640_PID){ + p+=print_reg(p, s, 0xd3, 0xFF); + p+=print_reg(p, s, 0x111, 0xFF); + p+=print_reg(p, s, 0x132, 0xFF); + } + + p += sprintf(p, "\"xclk\":%u,", s->xclk_freq_hz / 1000000); + p += sprintf(p, "\"pixformat\":%u,", s->pixformat); + 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, "\"hmirror\":%u,", s->status.hmirror); + p += sprintf(p, "\"vflip\":%u,", s->status.vflip); + p += sprintf(p, "\"dcw\":%u,", s->status.dcw); + p += sprintf(p, "\"colorbar\":%u", s->status.colorbar); +#ifdef CONFIG_LED_ILLUMINATOR_ENABLED + p += sprintf(p, ",\"led_intensity\":%u", led_duty); +#else + p += sprintf(p, ",\"led_intensity\":%d", -1); +#endif +#if CONFIG_ESP_FACE_DETECT_ENABLED + p += sprintf(p, ",\"face_detect\":%u", detection_enabled); +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED + p += sprintf(p, ",\"face_enroll\":%u,", is_enrolling); + p += sprintf(p, ",\"face_recognize\":%u", recognition_enabled); +#endif +#endif + p += sprintf(p, ",\"flash\":%u", flash_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 xclk_handler(httpd_req_t *req) +{ + char *buf = NULL; + char _xclk[32]; + + if (parse_get(req, &buf) != ESP_OK) { + return ESP_FAIL; + } + if (httpd_query_key_value(buf, "xclk", _xclk, sizeof(_xclk)) != ESP_OK) { + free(buf); + httpd_resp_send_404(req); + return ESP_FAIL; + } + free(buf); + + int xclk = atoi(_xclk); + ESP_LOGI(TAG, "Set XCLK: %d MHz", xclk); + + sensor_t *s = esp_camera_sensor_get(); + int res = s->set_xclk(s, LEDC_TIMER_0, xclk); + 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 reg_handler(httpd_req_t *req) +{ + char *buf = NULL; + char _reg[32]; + char _mask[32]; + char _val[32]; + + if (parse_get(req, &buf) != ESP_OK) { + return ESP_FAIL; + } + if (httpd_query_key_value(buf, "reg", _reg, sizeof(_reg)) != ESP_OK || + httpd_query_key_value(buf, "mask", _mask, sizeof(_mask)) != ESP_OK || + httpd_query_key_value(buf, "val", _val, sizeof(_val)) != ESP_OK) { + free(buf); + httpd_resp_send_404(req); + return ESP_FAIL; + } + free(buf); + + int reg = atoi(_reg); + int mask = atoi(_mask); + int val = atoi(_val); + ESP_LOGI(TAG, "Set Register: reg: 0x%02x, mask: 0x%02x, value: 0x%02x", reg, mask, val); + + sensor_t *s = esp_camera_sensor_get(); + int res = s->set_reg(s, reg, mask, val); + 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 greg_handler(httpd_req_t *req) +{ + char *buf = NULL; + char _reg[32]; + char _mask[32]; + + if (parse_get(req, &buf) != ESP_OK) { + return ESP_FAIL; + } + if (httpd_query_key_value(buf, "reg", _reg, sizeof(_reg)) != ESP_OK || + httpd_query_key_value(buf, "mask", _mask, sizeof(_mask)) != ESP_OK) { + free(buf); + httpd_resp_send_404(req); + return ESP_FAIL; + } + free(buf); + + int reg = atoi(_reg); + int mask = atoi(_mask); + sensor_t *s = esp_camera_sensor_get(); + int res = s->get_reg(s, reg, mask); + if (res < 0) { + return httpd_resp_send_500(req); + } + ESP_LOGI(TAG, "Get Register: reg: 0x%02x, mask: 0x%02x, value: 0x%02x", reg, mask, res); + + char buffer[20]; + const char * val = itoa(res, buffer, 10); + httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*"); + return httpd_resp_send(req, val, strlen(val)); +} + +static int parse_get_var(char *buf, const char * key, int def) +{ + char _int[16]; + if(httpd_query_key_value(buf, key, _int, sizeof(_int)) != ESP_OK){ + return def; + } + return atoi(_int); +} + +static esp_err_t pll_handler(httpd_req_t *req) +{ + char *buf = NULL; + + if (parse_get(req, &buf) != ESP_OK) { + return ESP_FAIL; + } + + int bypass = parse_get_var(buf, "bypass", 0); + int mul = parse_get_var(buf, "mul", 0); + int sys = parse_get_var(buf, "sys", 0); + int root = parse_get_var(buf, "root", 0); + int pre = parse_get_var(buf, "pre", 0); + int seld5 = parse_get_var(buf, "seld5", 0); + int pclken = parse_get_var(buf, "pclken", 0); + int pclk = parse_get_var(buf, "pclk", 0); + free(buf); + + ESP_LOGI(TAG, "Set Pll: bypass: %d, mul: %d, sys: %d, root: %d, pre: %d, seld5: %d, pclken: %d, pclk: %d", bypass, mul, sys, root, pre, seld5, pclken, pclk); + sensor_t *s = esp_camera_sensor_get(); + int res = s->set_pll(s, bypass, mul, sys, root, pre, seld5, pclken, pclk); + 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 win_handler(httpd_req_t *req) +{ + char *buf = NULL; + + if (parse_get(req, &buf) != ESP_OK) { + return ESP_FAIL; + } + + int startX = parse_get_var(buf, "sx", 0); + int startY = parse_get_var(buf, "sy", 0); + int endX = parse_get_var(buf, "ex", 0); + int endY = parse_get_var(buf, "ey", 0); + int offsetX = parse_get_var(buf, "offx", 0); + int offsetY = parse_get_var(buf, "offy", 0); + int totalX = parse_get_var(buf, "tx", 0); + int totalY = parse_get_var(buf, "ty", 0); + int outputX = parse_get_var(buf, "ox", 0); + int outputY = parse_get_var(buf, "oy", 0); + bool scale = parse_get_var(buf, "scale", 0) == 1; + bool binning = parse_get_var(buf, "binning", 0) == 1; + free(buf); + + ESP_LOGI(TAG, "Set Window: Start: %d %d, End: %d %d, Offset: %d %d, Total: %d %d, Output: %d %d, Scale: %u, Binning: %u", startX, startY, endX, endY, offsetX, offsetY, totalX, totalY, outputX, outputY, scale, binning); + sensor_t *s = esp_camera_sensor_get(); + int res = s->set_res_raw(s, startX, startY, endX, endY, offsetX, offsetY, totalX, totalY, outputX, outputY, scale, binning); + 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 uptime_handler(httpd_req_t *req) +{ + char buf[64]; + sprintf(buf, "{\"seconds\":%ld}", (long)(millis()/1000)); + httpd_resp_set_type(req, "application/json"); + httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*"); + return httpd_resp_send(req, buf, strlen(buf)); +} + +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 != NULL) { + if (s->id.PID == OV3660_PID) { + return httpd_resp_send(req, (const char *)index_ov3660_html_gz, index_ov3660_html_gz_len); + } else if (s->id.PID == OV5640_PID) { + return httpd_resp_send(req, (const char *)index_ov5640_html_gz, index_ov5640_html_gz_len); + } else { + return httpd_resp_send(req, (const char *)index_ov2640_html_gz, index_ov2640_html_gz_len); + } + } else { + ESP_LOGE(TAG, "Camera sensor not found"); + return httpd_resp_send_500(req); + } +} + +void startCameraServer() +{ + httpd_config_t config = HTTPD_DEFAULT_CONFIG(); + config.max_uri_handlers = 16; + + 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}; + + httpd_uri_t bmp_uri = { + .uri = "/bmp", + .method = HTTP_GET, + .handler = bmp_handler, + .user_ctx = NULL}; + + httpd_uri_t xclk_uri = { + .uri = "/xclk", + .method = HTTP_GET, + .handler = xclk_handler, + .user_ctx = NULL}; + + httpd_uri_t reg_uri = { + .uri = "/reg", + .method = HTTP_GET, + .handler = reg_handler, + .user_ctx = NULL}; + + httpd_uri_t greg_uri = { + .uri = "/greg", + .method = HTTP_GET, + .handler = greg_handler, + .user_ctx = NULL}; + + httpd_uri_t pll_uri = { + .uri = "/pll", + .method = HTTP_GET, + .handler = pll_handler, + .user_ctx = NULL}; + + httpd_uri_t win_uri = { + .uri = "/resolution", + .method = HTTP_GET, + .handler = win_handler, + .user_ctx = NULL}; + + httpd_uri_t uptime_uri = { + .uri = "/uptime", + .method = HTTP_GET, + .handler = uptime_handler, + .user_ctx = NULL}; + + ra_filter_init(&ra_filter, 20); + +#if CONFIG_ESP_FACE_RECOGNITION_ENABLED + recognizer.set_partition(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_ANY, "fr"); + + // load ids from flash partition + recognizer.set_ids_from_flash(); +#endif + ESP_LOGI(TAG, "Starting web server on port: '%d'", 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); + httpd_register_uri_handler(camera_httpd, &bmp_uri); + + httpd_register_uri_handler(camera_httpd, &xclk_uri); + httpd_register_uri_handler(camera_httpd, ®_uri); + httpd_register_uri_handler(camera_httpd, &greg_uri); + httpd_register_uri_handler(camera_httpd, &pll_uri); + httpd_register_uri_handler(camera_httpd, &win_uri); + httpd_register_uri_handler(camera_httpd, &uptime_uri); + } + + config.server_port += 1; + config.ctrl_port += 1; + ESP_LOGI(TAG, "Starting stream server on port: '%d'", config.server_port); + if (httpd_start(&stream_httpd, &config) == ESP_OK) + { + httpd_register_uri_handler(stream_httpd, &stream_uri); + } +} |