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ESP32-CAM-Video-Recorder-junior
kopia lustrzana https://github.com/jameszah/ESP32-CAM-Video-Recorder-junior
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/*
ESP32-CAM-Video-Recorder-junior
This program records an mjpeg avi video to the sd card of an ESP32-CAM.
v02 - basic version
v04 - added wifi, time, stream @ 5 fps, and photos at 1 fps
- you need to add your wifi ssid and password below
- if you walk away from your wifi it will fail and continue recording
- if you walk back to your wifi -- I think it will not recover until reboot
It is the junior version of https://github.com/jameszah/ESP32-CAM-Video-Recorder
which has 100 other features of wifi, streaming video, http control, telegram updates, pir control,
touch control, ftp downloads, .... and other things that make it very big and complex.
This one is written in simple arduino code without any semaphores, tasks, priorities, RTOS stuff ....
Just set 4 parameters, compile and download, and it will record on power-on, until sd is full, or power-off.
Then pull out the sd and move it to your computer, and you will see all but the last file avi which died during the unplug.
Update: I added some complexity.
Connect Pin 12 to GND to stop a video -- no dead videos -- and prevent recording.
Release Pin 12 and it will record forever.
Compile Time Parameters
1. framesize 10,9,7,6,5 for 10 - UXGA (1600x1200 @ 6 fps), 9 - SXGA (1280x1024 @ 6 fps), 7 - SVGA(800x600 @ 24 fps), 6 - VGA(640x480 @ 24 fps), 5 - CIF(400x296 @ 50 fps)
2. quality - 1 to 63 - 10 is a good start, increase to 20 to get more frames per second - must be higher than jpeg_quality below
3. avi_length - seconds for each avi - it closes files, and starts another file after this time - like 60 or 1800
4. devname - a text name for your camera when the files are on your computer
Note that framesize and high quality will produce lots of bytes which have to written to the sd. Those frame rates above are
for the OV2640 camera, and your sd card will have to be able to swallow all that data before the next frame. If the
sd card cannot take all that data, then the camera will be idle waiting for the sd. Lower the framesize (UXGA -> SVGA),
and lower the quality (10 -> 15 -> 20, higher number is lower quality) to improve framerate to the camera limits.
If you have a fast enough sd card, it will record at the full speed of the camera.
Using a Lexar 633x circle10, U3, V30 SD card, with quality set at 20, it will record at full speed of the camera -- in dull indoor light.
In bright outdoor light - looking at the sun - it will slow down by half - to about 12 fps SVGA. You could lower quality to keep that
at a higher fps, if you insist on looking at the sun.
Using a dollarstore SD card - EAGET circle10, U1 - it will record at about half of the camera capacity.
You can look at the blinking red led on the back of the chip to see the recording rate -- sd chips for video are made to be more predictable.
The files will have the name such as:
desklens 10.3 + 120s.avi
"desklens" is your devname
10 - is a number stored in eprom that will increase everytime your device boots
3 - is the 3rd file created during the current boot
+120s - is an indictation of how long since we started recording on this boot
- this is the 3rd file, and started 120 seconds after the boot, so the files must be 60 seconds long
Small red led on the back blinks with every frame.
by James Zahary Sep 12, 2020
jamzah.plc@gmail.com
https://github.com/jameszah/ESP32-CAM-Video-Recorder-junior
https://github.com/jameszah/ESP32-CAM-Video-Recorder
jameszah/ESP32-CAM-Video-Recorder is licensed under the
GNU General Public License v3.0
jameszah/ESP32-CAM-Video-Recorder-junior is licensed under the
GNU General Public License v3.0
The is Arduino code, with standard setup for ESP32-CAM
- Board ESP32 Wrover Module
- Partition Scheme Huge APP (3MB No OTA)
Compiled with Arduino 1.8.12, which used these libraries:
Using library SD_MMC at version 1.0 in folder: C:\Users\James\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\SD_MMC
Using library FS at version 1.0 in folder: C:\Users\James\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\FS
Using library EEPROM at version 1.0.3 in folder: C:\Users\James\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\EEPROM
Using library WiFi at version 1.0 in folder: C:\Users\James\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\WiFi
Using library ESPmDNS at version 1.0 in folder: C:\Users\James\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\ESPmDNS
Using library HTTPClient at version 1.2 in folder: C:\Users\James\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\HTTPClient
Using library WiFiClientSecure at version 1.0 in folder: C:\Users\James\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\WiFiClientSecure
*/
static const char vernum[] = "v04";
static const char devname[] = "desklens"; // name of your camera for mDNS, Router, and filenames
const char* ssid = "jzjzjz";
const char* password = "jzjzjz";
// https://sites.google.com/a/usapiens.com/opnode/time-zones -- find your timezone here
#define TIMEZONE "GMT0BST,M3.5.0/01,M10.5.0/02" // your timezone - this is GMT
int framesize = 7; // 10 UXGA, 9 SXGA, 7 SVGA, 6 VGA, 5 CIF
int quality = 20; // quality on the 1..63 scale - lower is better quality and bigger files - must be higher than the jpeg_quality in camera_config
int avi_length = 180; // how long a movie in seconds
int MagicNumber = 11; // change this number to reset the epron in your esp32
//#define LOG_LOCAL_LEVEL ESP_LOG_VERBOSE
#include "esp_log.h"
#include "esp_http_server.h"
#include "esp_camera.h"
// 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
camera_fb_t * fb_curr = NULL;
camera_fb_t * fb_next = NULL;
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "nvs_flash.h"
#include "nvs.h"
#include "soc/soc.h"
#include "soc/cpu.h"
#include "soc/rtc_cntl_reg.h"
static esp_err_t cam_err;
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Avi Writer Stuff here
// MicroSD
#include "driver/sdmmc_host.h"
#include "driver/sdmmc_defs.h"
#include "sdmmc_cmd.h"
#include "esp_vfs_fat.h"
#include <SD_MMC.h>
FILE *avifile = NULL;
FILE *idxfile = NULL;
long bp;
long ap;
long bw;
long aw;
int diskspeed = 0;
char fname[100];
static int i = 0;
uint8_t temp = 0, temp_last = 0;
unsigned long fileposition = 0;
uint16_t frame_cnt = 0;
uint16_t remnant = 0;
uint32_t length = 0;
uint32_t startms;
uint32_t elapsedms;
uint32_t uVideoLen = 0;
bool is_header = false;
int bad_jpg = 0;
int extend_jpg = 0;
int normal_jpg = 0;
int file_number = 0;
int file_group = 0;
long boot_time = 0;
long totalp;
long totalw;
float avgp;
float avgw;
#define BUFFSIZE 512
uint8_t buf[BUFFSIZE];
#define AVIOFFSET 240 // AVI main header length
unsigned long movi_size = 0;
unsigned long jpeg_size = 0;
unsigned long idx_offset = 0;
uint8_t zero_buf[4] = {0x00, 0x00, 0x00, 0x00};
uint8_t dc_buf[4] = {0x30, 0x30, 0x64, 0x63}; // "00dc"
uint8_t dc_and_zero_buf[8] = {0x30, 0x30, 0x64, 0x63, 0x00, 0x00, 0x00, 0x00};
uint8_t avi1_buf[4] = {0x41, 0x56, 0x49, 0x31}; // "AVI1"
uint8_t idx1_buf[4] = {0x69, 0x64, 0x78, 0x31}; // "idx1"
uint8_t vga_w[2] = {0x80, 0x02}; // 640
uint8_t vga_h[2] = {0xE0, 0x01}; // 480
uint8_t cif_w[2] = {0x90, 0x01}; // 400
uint8_t cif_h[2] = {0x28, 0x01}; // 296
uint8_t svga_w[2] = {0x20, 0x03}; // 800
uint8_t svga_h[2] = {0x58, 0x02}; // 600
uint8_t sxga_w[2] = {0x00, 0x05}; // 1280
uint8_t sxga_h[2] = {0x00, 0x04}; // 1024
uint8_t uxga_w[2] = {0x40, 0x06}; // 1600
uint8_t uxga_h[2] = {0xB0, 0x04}; // 1200
const int avi_header[AVIOFFSET] PROGMEM = {
0x52, 0x49, 0x46, 0x46, 0xD8, 0x01, 0x0E, 0x00, 0x41, 0x56, 0x49, 0x20, 0x4C, 0x49, 0x53, 0x54,
0xD0, 0x00, 0x00, 0x00, 0x68, 0x64, 0x72, 0x6C, 0x61, 0x76, 0x69, 0x68, 0x38, 0x00, 0x00, 0x00,
0xA0, 0x86, 0x01, 0x00, 0x80, 0x66, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x80, 0x02, 0x00, 0x00, 0xe0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4C, 0x49, 0x53, 0x54, 0x84, 0x00, 0x00, 0x00,
0x73, 0x74, 0x72, 0x6C, 0x73, 0x74, 0x72, 0x68, 0x30, 0x00, 0x00, 0x00, 0x76, 0x69, 0x64, 0x73,
0x4D, 0x4A, 0x50, 0x47, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x73, 0x74, 0x72, 0x66,
0x28, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0xe0, 0x01, 0x00, 0x00,
0x01, 0x00, 0x18, 0x00, 0x4D, 0x4A, 0x50, 0x47, 0x00, 0x84, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x49, 0x4E, 0x46, 0x4F,
0x10, 0x00, 0x00, 0x00, 0x6A, 0x61, 0x6D, 0x65, 0x73, 0x7A, 0x61, 0x68, 0x61, 0x72, 0x79, 0x20,
0x76, 0x30, 0x34, 0x20, 0x4C, 0x49, 0x53, 0x54, 0x00, 0x01, 0x0E, 0x00, 0x6D, 0x6F, 0x76, 0x69,
};
//
// Writes an uint32_t in Big Endian at current file position
//
static void inline print_quartet(unsigned long i, FILE * fd)
{
uint8_t y[4];
y[0] = i % 0x100;
y[1] = (i >> 8) % 0x100;
y[2] = (i >> 16) % 0x100;
y[3] = (i >> 24) % 0x100;
size_t i1_err = fwrite(y , 1, 4, fd);
}
//
// Writes 2 uint32_t in Big Endian at current file position
//
static void inline print_2quartet(unsigned long i, unsigned long j, FILE * fd)
{
uint8_t y[8];
y[0] = i % 0x100;
y[1] = (i >> 8) % 0x100;
y[2] = (i >> 16) % 0x100;
y[3] = (i >> 24) % 0x100;
y[4] = j % 0x100;
y[5] = (j >> 8) % 0x100;
y[6] = (j >> 16) % 0x100;
y[7] = (j >> 24) % 0x100;
size_t i1_err = fwrite(y , 1, 8, fd);
}
//
// if we have no camera, or sd card, then flash rear led on and off to warn the human SOS - SOS
//
void major_fail() {
Serial.println(" ");
for (int i = 0; i < 10; i++) { // 10 loops or about 100 seconds then reboot
for (int j = 0; j < 3; j++) {
digitalWrite(33, LOW); delay(150);
digitalWrite(33, HIGH); delay(150);
}
delay(1000);
for (int j = 0; j < 3; j++) {
digitalWrite(33, LOW); delay(500);
digitalWrite(33, HIGH); delay(500);
}
delay(1000);
Serial.print("Major Fail "); Serial.print(i); Serial.print(" / "); Serial.println(10);
}
ESP.restart();
}
static esp_err_t config_camera() {
camera_config_t config;
//Serial.println("config camera");
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 = 10000000; // 10000000 or 20000000 -- 10 is faster !!
config.pixel_format = PIXFORMAT_JPEG;
config.frame_size = FRAMESIZE_UXGA; // edit in framesizes below -- this must be better than the framesize specified at the top
/*
FRAMESIZE_96X96, // 96x96
FRAMESIZE_QQVGA, // 160x120
FRAMESIZE_QCIF, // 176x144
FRAMESIZE_HQVGA, // 240x176
FRAMESIZE_240X240, // 240x240
FRAMESIZE_QVGA, // 320x240
FRAMESIZE_CIF, // 400x296 5
FRAMESIZE_HVGA, // 480x320
FRAMESIZE_VGA, // 640x480 6
FRAMESIZE_SVGA, // 800x600 7
FRAMESIZE_XGA, // 1024x768
FRAMESIZE_HD, // 1280x720
FRAMESIZE_SXGA, // 1280x1024 9
FRAMESIZE_UXGA, // 1600x1200 10
*/
config.jpeg_quality = 6; // 1 to 63 - smaller number is higher quality and more data - must be lower rhat the quality parameter at the top
config.fb_count = 7;
// camera init
cam_err = esp_camera_init(&config);
if (cam_err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", cam_err);
}
sensor_t * ss = esp_camera_sensor_get();
ss->set_quality(ss, quality);
ss->set_framesize(ss, (framesize_t)framesize);
ss->set_brightness(ss, 1); //up the blightness just a bit
ss->set_saturation(ss, -2); //lower the saturation
delay(500);
for (int j = 0; j < 5; j++) {
camera_fb_t * fb = esp_camera_fb_get();
//Serial.print("Pic, len="); Serial.println(fb->len);
esp_camera_fb_return(fb);
delay(50);
}
}
static esp_err_t init_sdcard()
{
pinMode(13, PULLUP);
esp_err_t ret = ESP_FAIL;
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.flags = SDMMC_HOST_FLAG_1BIT; // using 1 bit mode
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
diskspeed = host.max_freq_khz;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
slot_config.width = 1; // using 1 bit mode
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = false,
.max_files = 8,
};
sdmmc_card_t *card;
ret = esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, &card);
if (ret == ESP_OK) {
Serial.println("SD card mount successfully!");
} else {
Serial.printf("Failed to mount SD card VFAT filesystem. Error: %s", esp_err_to_name(ret));
major_fail();
}
sdmmc_card_print_info(stdout, card);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// get_good_jpeg() - take a picture and make sure it has a good jpeg
//
camera_fb_t * get_good_jpeg() {
camera_fb_t * fb;
do {
bp = millis();
fb = esp_camera_fb_get();
totalp = totalp + millis() - bp;
int x = fb->len;
int foundffd9 = 0;
for (int j = 1; j <= 1025; j++) {
if (fb->buf[x - j] != 0xD9) {
// no d9, try next for
} else {
//Serial.println("Found a D9");
if (fb->buf[x - j - 1] == 0xFF ) {
//Serial.print("Found the FFD9, junk is "); Serial.println(j);
if (j == 1) {
normal_jpg++;
} else {
extend_jpg++;
}
if (j > 1000) { // never happens. but > 1 does, usually 400-500
Serial.print("Frame "); Serial.print(frame_cnt);
Serial.print(", Len = "); Serial.print(x);
Serial.print(", Corrent Len = "); Serial.print(x - j + 1);
Serial.print(", Extra Bytes = "); Serial.println( j - 1);
}
foundffd9 = 1;
break;
}
}
}
if (!foundffd9) {
bad_jpg++;
Serial.print("Bad jpeg, Len = "); Serial.println(x);
esp_camera_fb_return(fb);
} else {
break;
// count up the useless bytes
}
} while (1);
return fb;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// eprom functions - increment the file_group, so files are always unique
//
#include <EEPROM.h>
struct eprom_data {
int eprom_good;
int file_group;
};
void do_eprom_read() {
eprom_data ed;
EEPROM.begin(200);
EEPROM.get(0, ed);
if (ed.eprom_good == MagicNumber) {
Serial.println("Good settings in the EPROM ");
file_group = ed.file_group;
file_group++;
Serial.print("New File Group "); Serial.println(file_group );
} else {
Serial.println("No settings in EPROM - Starting with File Group 1 ");
file_group = 1;
}
do_eprom_write();
file_number = 1;
}
void do_eprom_write() {
eprom_data ed;
ed.eprom_good = MagicNumber;
ed.file_group = file_group;
Serial.println("Writing to EPROM ...");
EEPROM.begin(200);
EEPROM.put(0, ed);
EEPROM.commit();
EEPROM.end();
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Make the avi functions
//
// start_avi() - open the file and write headers
// another_pic_avi() - write one more frame of movie
// end_avi() - write the final parameters and close the file
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// start_avi - open the files and write in headers
//
static esp_err_t start_avi() {
Serial.println("Starting an avi ");
sprintf(fname, "/sdcard/%s %d.%d + %ds.avi", devname, file_group, file_number, (millis() - boot_time) / 1000);
file_number++;
avifile = fopen(fname, "w");
idxfile = fopen("/sdcard/idx.tmp", "w");
if (avifile != NULL) {
Serial.printf("File open: %s\n", fname);
} else {
Serial.println("Could not open file");
major_fail();
}
if (idxfile != NULL) {
Serial.printf("File open: %s\n", "/sdcard/idx.tmp");
} else {
Serial.println("Could not open file");
major_fail();
}
for ( i = 0; i < AVIOFFSET; i++)
{
char ch = pgm_read_byte(&avi_header[i]);
buf[i] = ch;
}
size_t err = fwrite(buf, 1, AVIOFFSET, avifile);
if (framesize == 6) {
fseek(avifile, 0x40, SEEK_SET);
err = fwrite(vga_w, 1, 2, avifile);
fseek(avifile, 0xA8, SEEK_SET);
err = fwrite(vga_w, 1, 2, avifile);
fseek(avifile, 0x44, SEEK_SET);
err = fwrite(vga_h, 1, 2, avifile);
fseek(avifile, 0xAC, SEEK_SET);
err = fwrite(vga_h, 1, 2, avifile);
} else if (framesize == 10) {
fseek(avifile, 0x40, SEEK_SET);
err = fwrite(uxga_w, 1, 2, avifile);
fseek(avifile, 0xA8, SEEK_SET);
err = fwrite(uxga_w, 1, 2, avifile);
fseek(avifile, 0x44, SEEK_SET);
err = fwrite(uxga_h, 1, 2, avifile);
fseek(avifile, 0xAC, SEEK_SET);
err = fwrite(uxga_h, 1, 2, avifile);
} else if (framesize == 9) {
fseek(avifile, 0x40, SEEK_SET);
err = fwrite(sxga_w, 1, 2, avifile);
fseek(avifile, 0xA8, SEEK_SET);
err = fwrite(sxga_w, 1, 2, avifile);
fseek(avifile, 0x44, SEEK_SET);
err = fwrite(sxga_h, 1, 2, avifile);
fseek(avifile, 0xAC, SEEK_SET);
err = fwrite(sxga_h, 1, 2, avifile);
} else if (framesize == 7) {
fseek(avifile, 0x40, SEEK_SET);
err = fwrite(svga_w, 1, 2, avifile);
fseek(avifile, 0xA8, SEEK_SET);
err = fwrite(svga_w, 1, 2, avifile);
fseek(avifile, 0x44, SEEK_SET);
err = fwrite(svga_h, 1, 2, avifile);
fseek(avifile, 0xAC, SEEK_SET);
err = fwrite(svga_h, 1, 2, avifile);
} else if (framesize == 5) {
fseek(avifile, 0x40, SEEK_SET);
err = fwrite(cif_w, 1, 2, avifile);
fseek(avifile, 0xA8, SEEK_SET);
err = fwrite(cif_w, 1, 2, avifile);
fseek(avifile, 0x44, SEEK_SET);
err = fwrite(cif_h, 1, 2, avifile);
fseek(avifile, 0xAC, SEEK_SET);
err = fwrite(cif_h, 1, 2, avifile);
}
fseek(avifile, AVIOFFSET, SEEK_SET);
Serial.print(F("\nRecording "));
Serial.print(avi_length);
Serial.println(" seconds.");
startms = millis();
totalp = 0;
totalw = 0;
jpeg_size = 0;
movi_size = 0;
uVideoLen = 0;
idx_offset = 4;
frame_cnt = 0;
bad_jpg = 0;
extend_jpg = 0;
normal_jpg = 0;
} // end of start avi
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// another_save_avi saves another frame to the avi file, uodates index
// -- pass in a fb pointer to the frame to add
//
//
static esp_err_t another_save_avi(camera_fb_t * fb ) {
int fblen;
fblen = fb->len;
jpeg_size = fblen;
movi_size += jpeg_size;
uVideoLen += jpeg_size;
bw = millis();
size_t dc_err = fwrite(dc_and_zero_buf, 1, 8, avifile);
size_t err = fwrite(fb->buf, 1, fb->len, avifile);
if (err != fb->len) {
Serial.print("Error on avi write: err = "); Serial.print(err);
Serial.print(" len = "); Serial.println(fb->len);
}
remnant = (4 - (jpeg_size & 0x00000003)) & 0x00000003;
print_2quartet(idx_offset, jpeg_size, idxfile);
idx_offset = idx_offset + jpeg_size + remnant + 8;
jpeg_size = jpeg_size + remnant;
movi_size = movi_size + remnant;
if (remnant > 0) {
size_t rem_err = fwrite(zero_buf, 1, remnant, avifile);
}
fileposition = ftell (avifile); // Here, we are at end of chunk (after padding)
fseek(avifile, fileposition - jpeg_size - 4, SEEK_SET); // Here we are the the 4-bytes blank placeholder
print_quartet(jpeg_size, avifile); // Overwrite placeholder with actual frame size (without padding)
fileposition = ftell (avifile);
fseek(avifile, fileposition + jpeg_size , SEEK_SET);
totalw = totalw + millis() - bw;
} // end of another_pic_avi
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// end_avi writes the index, and closes the files
//
static esp_err_t end_avi() {
unsigned long current_end = 0;
current_end = ftell (avifile);
Serial.println("End of avi - closing the files");
elapsedms = millis() - startms;
float fRealFPS = (1000.0f * (float)frame_cnt) / ((float)elapsedms);
float fmicroseconds_per_frame = 1000000.0f / fRealFPS;
uint8_t iAttainedFPS = round(fRealFPS);
uint32_t us_per_frame = round(fmicroseconds_per_frame);
//Modify the MJPEG header from the beginning of the file, overwriting various placeholders
fseek(avifile, 4 , SEEK_SET);
print_quartet(movi_size + 240 + 16 * frame_cnt + 8 * frame_cnt, avifile);
fseek(avifile, 0x20 , SEEK_SET);
print_quartet(us_per_frame, avifile);
unsigned long max_bytes_per_sec = movi_size * iAttainedFPS / frame_cnt;
fseek(avifile, 0x24 , SEEK_SET);
print_quartet(max_bytes_per_sec, avifile);
fseek(avifile, 0x30 , SEEK_SET);
print_quartet(frame_cnt, avifile);
fseek(avifile, 0x8c , SEEK_SET);
print_quartet(frame_cnt, avifile);
fseek(avifile, 0x84 , SEEK_SET);
print_quartet((int)iAttainedFPS, avifile);
fseek(avifile, 0xe8 , SEEK_SET);
print_quartet(movi_size + frame_cnt * 8 + 4, avifile);
Serial.println(F("\n*** Video recorded and saved ***\n"));
Serial.print(F("Recorded "));
Serial.print(elapsedms / 1000);
Serial.print(F("s in "));
Serial.print(frame_cnt);
Serial.print(F(" frames\nFile size is "));
Serial.print(movi_size + 12 * frame_cnt + 4);
Serial.print(F(" bytes\nActual FPS is "));
Serial.print(fRealFPS, 2);
Serial.print(F("\nMax data rate is "));
Serial.print(max_bytes_per_sec);
Serial.print(F(" byte/s\nFrame duration is ")); Serial.print(us_per_frame); Serial.println(F(" us"));
Serial.print(F("Average frame length is ")); Serial.print(uVideoLen / frame_cnt); Serial.println(F(" bytes"));
Serial.print("Average picture time (ms) "); Serial.println( 1.0 * totalp / frame_cnt);
Serial.print("Average write time (ms) "); Serial.println( totalw / frame_cnt );
Serial.print("Normal jpg % "); Serial.println( 100.0 * normal_jpg / frame_cnt, 1 );
Serial.print("Extend jpg % "); Serial.println( 100.0 * extend_jpg / frame_cnt, 1 );
Serial.print("Bad jpg % "); Serial.println( 100.0 * bad_jpg / frame_cnt, 5 );
Serial.printf("Writng the index, %d frames\n", frame_cnt);
fseek(avifile, current_end, SEEK_SET);
fclose(idxfile);
size_t i1_err = fwrite(idx1_buf, 1, 4, avifile);
print_quartet(frame_cnt * 16, avifile);
idxfile = fopen("/sdcard/idx.tmp", "r");
if (idxfile != NULL) {
Serial.printf("File open: %s\n", "/sdcard/idx.tmp");
} else {
Serial.println("Could not open index file");
major_fail();
}
char * AteBytes;
AteBytes = (char*) malloc (8);
for (int i = 0; i < frame_cnt; i++) {
size_t res = fread ( AteBytes, 1, 8, idxfile);
size_t i1_err = fwrite(dc_buf, 1, 4, avifile);
size_t i2_err = fwrite(zero_buf, 1, 4, avifile);
size_t i3_err = fwrite(AteBytes, 1, 8, avifile);
}
free(AteBytes);
fclose(idxfile);
fclose(avifile);
int xx = remove("/sdcard/idx.tmp");
Serial.println("---");
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Time
#include "time.h"
#include <WiFi.h>
#include <ESPmDNS.h>
time_t now;
struct tm timeinfo;
char localip[20];
bool init_wifi()
{
int connAttempts = 0;
uint32_t brown_reg_temp = READ_PERI_REG(RTC_CNTL_BROWN_OUT_REG);
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0);
WiFi.disconnect(true, true);
WiFi.mode(WIFI_STA);
WiFi.setHostname(devname);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED ) {
delay(1000);
Serial.print(".");
if (connAttempts++ == 5) break; // try for 5 seconds to get internet, then give up
}
Serial.printf("\nInternet status: %d\n", WiFi.status());
if (!MDNS.begin(devname)) {
Serial.println("Error setting up MDNS responder!");
} else {
Serial.printf("mDNS responder started '%s'\n", devname);
}
configTime(0, 0, "pool.ntp.org");
setenv("TZ", TIMEZONE, 1); // mountain time zone from #define at top
tzset();
time(&now);
while (now < 10) { // try for 5 seconds to get the time, then give up - 10 seconds after boot
delay(1000);
Serial.print("o");
time(&now);
}
Serial.print("Local time: "); Serial.print(ctime(&now));
sprintf(localip, "%s", WiFi.localIP().toString().c_str());
Serial.print("IP: "); Serial.println(localip); Serial.println(" ");
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, brown_reg_temp);
return true;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
//
#include <HTTPClient.h>
httpd_handle_t camera_httpd = NULL;
char the_page[4000];
static esp_err_t capture_handler(httpd_req_t *req) {
camera_fb_t * fb = NULL;
esp_err_t res = ESP_OK;
char fname[100];
int file_number = 0;
//Serial.print("capture, core "); Serial.print(xPortGetCoreID());
//Serial.print(", priority = "); Serial.println(uxTaskPriorityGet(NULL));
file_number++;
sprintf(fname, "inline; filename=capture_%d.jpg", file_number);
if (fb_next == NULL) {
fb = esp_camera_fb_get();
} else {
fb = fb_next;
}
httpd_resp_set_type(req, "image/jpeg");
httpd_resp_set_hdr(req, "Content-Disposition", fname);
res = httpd_resp_send(req, (const char *)fb->buf, fb->len);
if (fb_next == NULL) {
esp_camera_fb_return(fb);
}
return res;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
//
static esp_err_t index_handler(httpd_req_t *req) {
Serial.print("http index, core "); Serial.print(xPortGetCoreID());
Serial.print(", priority = "); Serial.println(uxTaskPriorityGet(NULL));
const char the_message[] = "Status";
time(&now);
const char *strdate = ctime(&now);
int tot = SD_MMC.totalBytes() / (1024 * 1024);
int use = SD_MMC.usedBytes() / (1024 * 1024);
long rssi = WiFi.RSSI();
const char msg[] PROGMEM = R"rawliteral(<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>%s ESP32-CAM Video Recorder Junior</title>
</head>
<body>
<h1>%s<br>ESP32-CAM Video Recorder Junior %s <br><font color="red">%s</font></h1><br>
Used / Total SD Space <font color="red"> %d MB / %d MB</font>, Rssi %d<br>
Filename %s <br>
<br>
<h3><a href="http://%s/">http://%s/</a></h3>
<h3><a href="http://%s/stream">Stream at 5 fps </a></h3>
<h3><a href="http://%s/photos">Photos - 15 saveable photos @ 1 fps </a></h3>
</body>
</html>)rawliteral";
sprintf(the_page, msg, devname, devname, vernum, strdate, use, tot, rssi, fname,
localip, localip, localip, localip);
httpd_resp_send(req, the_page, strlen(the_page));
return ESP_OK;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
//
static esp_err_t photos_handler(httpd_req_t *req) {
Serial.print("http photos, core "); Serial.print(xPortGetCoreID());
Serial.print(", priority = "); Serial.println(uxTaskPriorityGet(NULL));
const char the_message[] = "Status";
time(&now);
const char *strdate = ctime(&now);
const char msg[] PROGMEM = R"rawliteral(<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>%s ESP32-CAM Video Recorder Junior</title>
</head>
<body>
<h1>%s<br>ESP32-CAM Video Recorder Junior %s <br><font color="red">%s</font></h1><br>
<br>
One photo per second for 15 seconds - roll forward or back - refresh for more live photos
<br>
<br><div id="image-container"></div>
<script>
document.addEventListener('DOMContentLoaded', function() {
var c = document.location.origin;
const ic = document.getElementById('image-container');
var i = 1;
var timing = 1000; // time between snapshots for multiple shots
function loop() {
ic.insertAdjacentHTML('beforeend','<img src="'+`${c}/capture?_cb=${Date.now()}`+'">')
ic.insertAdjacentHTML('beforeend','<br>')
ic.insertAdjacentHTML('beforeend',Date())
ic.insertAdjacentHTML('beforeend','<br>')
i = i + 1;
if ( i <= 15 ) { // 1 fps for 15 seconds
window.setTimeout(loop, timing);
}
}
loop();
})
</script><br>
</body>
</html>)rawliteral";
//Serial.print(strlen(msg)); Serial.print(" ");
sprintf(the_page, msg, devname, devname, vernum, strdate );
//Serial.println(strlen(the_page));
httpd_resp_send(req, the_page, strlen(the_page));
return ESP_OK;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Streaming stuff based on Random Nerd
//
//
#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 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];
Serial.print("stream_handler, core "); Serial.print(xPortGetCoreID());
Serial.print(", priority = "); Serial.println(uxTaskPriorityGet(NULL));
res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
if (res != ESP_OK) {
return res;
}
while (true) {
if (fb_next == NULL) {
fb = esp_camera_fb_get();
} else {
fb = fb_next;
}
_jpg_buf_len = fb->len;
_jpg_buf = fb->buf;
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) {
return res;
}
res = httpd_resp_send_chunk(req, (const char *)_jpg_buf, _jpg_buf_len);
if (res != ESP_OK) {
return res;
}
res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
if (res != ESP_OK) {
return res;
}
if (fb_next == NULL) {
esp_camera_fb_return(fb);
}
delay(200); // 200 ms = 5 fps !!!
}
return res;
}
void startCameraServer() {
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
//config.max_uri_handlers = 10;
//config.task_priority = 1;
Serial.print("http task prio: "); Serial.println(config.task_priority);
httpd_uri_t index_uri = {
.uri = "/",
.method = HTTP_GET,
.handler = index_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 photos_uri = {
.uri = "/photos",
.method = HTTP_GET,
.handler = photos_handler,
.user_ctx = NULL
};
if (httpd_start(&camera_httpd, &config) == ESP_OK) {
httpd_register_uri_handler(camera_httpd, &index_uri);
httpd_register_uri_handler(camera_httpd, &capture_uri);
httpd_register_uri_handler(camera_httpd, &stream_uri);
httpd_register_uri_handler(camera_httpd, &photos_uri);
}
Serial.println("Camera http started");
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void setup() {
Serial.begin(115200);
Serial.println("\n\n---");
pinMode(33, OUTPUT); // little red led on back of chip
digitalWrite(33, LOW); // turn on the red LED on the back of chip
pinMode(4, OUTPUT); // Blinding Disk-Avtive Light
digitalWrite(4, LOW); // turn off
pinMode(12, INPUT_PULLUP); // pull this down to stop recording
//Serial.setDebugOutput(true);
// zzz
Serial.println(" ");
Serial.println("-------------------------------------");
Serial.printf("ESP32-CAM-Video-Recorder-junior %s\n", vernum);
Serial.println("-------------------------------------");
Serial.print("setup, core "); Serial.print(xPortGetCoreID());
Serial.print(", priority = "); Serial.println(uxTaskPriorityGet(NULL));
//Serial.printf("Internal Total heap %d, internal Free Heap %d\n", ESP.getHeapSize(), ESP.getFreeHeap());
//Serial.printf("SPIRam Total heap %d, SPIRam Free Heap %d\n", ESP.getPsramSize(), ESP.getFreePsram());
Serial.println("Starting the wifi ...");
init_wifi();
Serial.println("Setting up the camera ...");
config_camera();
//Serial.printf("Internal Total heap %d, internal Free Heap %d\n", ESP.getHeapSize(), ESP.getFreeHeap());
//Serial.printf("SPIRam Total heap %d, SPIRam Free Heap %d\n", ESP.getPsramSize(), ESP.getFreePsram());
// SD camera init
esp_err_t card_err = init_sdcard();
if (card_err != ESP_OK) {
Serial.printf("SD Card init failed with error 0x%x", card_err);
major_fail();
return;
}
//Serial.printf("Internal Total heap %d, internal Free Heap %d\n", ESP.getHeapSize(), ESP.getFreeHeap());
//Serial.printf("SPIRam Total heap %d, SPIRam Free Heap %d\n", ESP.getPsramSize(), ESP.getFreePsram());
digitalWrite(33, HIGH); // red light turns off when setup is complete
Serial.println("Warming up the camera ... here are some frames sizes ...");
for (int i = 0; i < 10; i++) {
camera_fb_t * fb = esp_camera_fb_get();
Serial.printf("frame %d, len %d\n", i, fb->len);
esp_camera_fb_return(fb);
delay(100);
}
do_eprom_read();
Serial.println("Start Web ...");
startCameraServer();
Serial.println(" End of setup()\n\n");
boot_time = millis();
}
int first = 1;
int frames = 0;
long frame_start = 0;
long frame_end = 0;
long frame_total = 0;
long frame_average = 0;
long loop_average = 0;
long loop_total = 0;
long total_frame_data = 0;
long last_frame_length = 0;
int done = 0;
long avi_start_time = 0;
long avi_end_time = 0;
int stop = 0;
int we_are_already_stopped = 0;
long total_delay = 0;
void loop() {
if (first) {
Serial.print("the loop, core "); Serial.print(xPortGetCoreID());
Serial.print(", priority = "); Serial.println(uxTaskPriorityGet(NULL));
first = 0;
}
frames++;
frame_cnt = frames;
stop = digitalRead(12);
if (frames == 1 ) { // start the avi
if (stop == 0) {
if (we_are_already_stopped == 0) Serial.println("\n\nCannot start video, as Pin 12 is connected to GND\n\n");
frames--;
we_are_already_stopped = 1;
delay(1000);
} else {
we_are_already_stopped = 0;
avi_start_time = millis();
Serial.printf("Start the avi ... at %d\n", avi_start_time);
fb_curr = get_good_jpeg(); // should take zero time
start_avi();
fb_next = get_good_jpeg(); // should take nearly zero time due to time spent writing header
another_save_avi( fb_curr); // put first frame in avi
digitalWrite(33, frames % 2); // blink
esp_camera_fb_return(fb_curr); // get rid of first frame
fb_curr = NULL;
}
} else if ( stop == 0 || millis() > (avi_start_time + avi_length * 1000)) { // end the avi
fb_curr = fb_next;
fb_next = NULL;
another_save_avi(fb_curr); // save final frame of avi
digitalWrite(33, frames % 2);
esp_camera_fb_return(fb_curr);
fb_curr = NULL;
end_avi(); // end the movie
digitalWrite(33, HIGH); // light off
avi_end_time = millis();
float fps = frames / ((avi_end_time - avi_start_time) / 1000) ;
Serial.printf("End the avi at %d. It was %d frames, %d ms at %.1f fps...\n", millis(), frames, avi_end_time, avi_end_time - avi_start_time, fps);
frames = 0; // start recording again on the next loop
} else { // another frame of the avi
fb_curr = fb_next; // we will write a frame, and get the camera preparing a new one
fb_next = get_good_jpeg(); // should take near zero, unless the sd is faster than the camera, when we will have to wait for the camera
another_save_avi(fb_curr);
digitalWrite(33, frames % 2);
esp_camera_fb_return(fb_curr);
fb_curr = NULL;
if (frames % 100 == 0 ) { // print some status every 100 frames
float fps = 1.0 * frames / ((millis() - avi_start_time) / 1000) ;
Serial.printf("So far: %d frames, %d ms at %.2f fps ...\n", frames, millis() - avi_start_time, fps);
total_delay = 0;
}
}
}
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