ESP32CamTimeLapse/TimeLapse/app_httpd.cpp

388 lines
10 KiB
C++

// 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.
//
// modifed by bitluni 2020
#include "file.h"
#include "esp_http_server.h"
#include "esp_timer.h"
#include "esp_camera.h"
#include "Arduino.h"
#include "EEPROM.h"
#include "lapse.h"
const char *indexHtml =
#include "index.h"
;
unsigned long interval = 1000;
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";
httpd_handle_t stream_httpd = NULL;
httpd_handle_t camera_httpd = NULL;
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;
fb = esp_camera_fb_get();
if (!fb)
{
Serial.println("Camera capture failed");
httpd_resp_send_500(req);
return ESP_FAIL;
}
/*
char path[20];
sprintf(path, "/%04d", projectIndex);
if (!fileExists(path))
createDir(path);
sprintf(path, "/%04d/%08d.jpg", projectIndex, fileIndex);
Serial.println(path);
writeBinary(path, (const unsigned char *)fb->buf, fb->len);
fileIndex++;*/
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;
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);
return res;
}
static esp_err_t startLapseHandler(httpd_req_t *req)
{
return startLapse();
}
static esp_err_t stopLapseHandler(httpd_req_t *req)
{
return stopLapse();
}
static esp_err_t streamHandler(httpd_req_t *req)
{
camera_fb_t *fb = NULL;
esp_err_t res = ESP_OK;
char *part_buf[64];
res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
if (res != ESP_OK)
return res;
httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
do
{
fb = esp_camera_fb_get();
Serial.print("Frame size ");
Serial.println(fb->len);
if (!fb)
{
Serial.println("Camera capture failed");
continue;
}
size_t hlen = snprintf((char *)part_buf, 64, _STREAM_PART, fb->len);
res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
if (res == ESP_OK)
res = httpd_resp_send_chunk(req, (const char *)fb->buf, fb->len);
if (res == ESP_OK)
res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
esp_camera_fb_return(fb);
} while(res == ESP_OK);
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, "agc_gain"))
res = s->set_agc_gain(s, val);
else if (!strcmp(variable, "aec2"))
res = s->set_aec2(s, val);
else if (!strcmp(variable, "aec_value"))
res = s->set_aec_value(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"))
{
if (val == -1)
{
res = s->set_awb_gain(s, 0);
}
else
{
res = s->set_awb_gain(s, 1);
res = s->set_wb_mode(s, val);
}
}
else if (!strcmp(variable, "ae_level"))
res = s->set_ae_level(s, val);
else if (!strcmp(variable, "interval"))
setInterval(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, "\"interval\":%u,", (int)interval);
*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();
unsigned long l = strlen(indexHtml);
return httpd_resp_send(req, (const char *)indexHtml, l);
}
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 = streamHandler,
.user_ctx = NULL};
httpd_uri_t startLapse_uri = {
.uri = "/startLapse",
.method = HTTP_GET,
.handler = startLapseHandler,
.user_ctx = NULL};
httpd_uri_t stopLapse_uri = {
.uri = "/stopLapse",
.method = HTTP_GET,
.handler = stopLapseHandler,
.user_ctx = NULL};
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);
httpd_register_uri_handler(camera_httpd, &startLapse_uri);
httpd_register_uri_handler(camera_httpd, &stopLapse_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);
}
}