[Secu Recorder] Start security cam #linux #script #bash #webcam

secu-recorder.sh

#!/bin/bash
# apt update ; apt install v4l-utils
# v4l2-ctl --list-devices
# compile usbreset.c
# cc usbreset.c -o usbreset
# lsusb
# sudo ./usbreset /dev/bus/usb/002/003  
MYVAR=$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 13 ; echo '')
sleep 1
# Record
tmux new-session -s 'recorder' -n 'recordnow' -d
tmux send -t 'recorder' "ffmpeg -f alsa -r 44100 -i hw:CARD=C920,DEV=0 -f v4l2 -vcodec h264 -s 1920x1080 -r 24 -i /dev/video0 -input_format h264 -c copy /opt/dockerdrive/movies/$MYVAR.mkv" ENTER
# Convert
# && ffmpeg -i /opt/dockerdrive/movies/$MYVAR.mkv -c:v libx264 -crf 23 -preset medium -pix_fmt yuv420p $MYVAR-OUT.mkv

usbreset.c

/* usbreset -- send a USB port reset to a USB device */

#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ioctl.h>

#include <linux/usbdevice_fs.h>


int main(int argc, char **argv)
{
    const char *filename;
    int fd;
    int rc;

    if (argc != 2) {
        fprintf(stderr, "Usage: usbreset device-filename\n");
        return 1;
    }
    filename = argv[1];

    fd = open(filename, O_WRONLY);
    if (fd < 0) {
        perror("Error opening output file");
        return 1;
    }

    printf("Resetting USB device %s\n", filename);
    rc = ioctl(fd, USBDEVFS_RESET, 0);
    if (rc < 0) {
        perror("Error in ioctl");
        return 1;
    }
    printf("Reset successful\n");

    close(fd);
    return 0;
}