AXIS 214 CGI Control Script for motion

camctrl.pl

#!/usr/bin/perl -w

# camctrl.pl: AXIS 214 CGI Control Script
#
# USAGE: For use with motion-project.github.io generic tracking function
#   If it tracks something like trees,
#  the solution I found is to set the limits for ptz in the camera settings
# 
# Copyright 2020 (C) Ephasic Software
# Written by Aaron Blakely <[email protected]>

use strict;
use warnings;

my $LOCKED = 0;

# SCRIPT CONFIG #

my $USER = "camera auth user";  # basic http auth user
my $PASS = "password"; # basic http auth password
my $HOST = "10.0.0.12; # host/ip of camera

# CAMERA CONFIG - Set for AXIS 214 PTZ #

my $CAMID    = 1;  # Camera ID
my $OFFSET1 = 2/8; # OFFSET 1 (for left and up)
my $OFFSET2 = 5/8; # OFFSET 2 (for right and down)

my $BASE_URL = "/axis-cgi/com/ptz.cgi";
my $LOCKFILE = "/tmp/camctrl.lock";

# Modify these functions to fit your camera!
sub wget {
  my ($query) = @_;

  system "wget -O /tmp/camctrlwget.log --http-user=$USER --http-password=$PASS 'http://$HOST$BASE_URL?camera=$CAMID&$query'";
}

sub movecam {
  my ($direction) = @_;

  system "touch $LOCKFILE";

  if ($direction eq "left") {
    wget("move=left&zoom=400");
  } elsif ($direction eq "right") {
    wget("move=right&zoom=400")
  } elsif ($direction eq "up") {
    wget("move=up&rzoom=30");
  } elsif ($direction eq "down") {
    wget("move=down&rzoom=30");
  } elsif ($direction eq "home") {
    wget("zoom=0");
    sleep 2;
    wget("move=home");
  }


  $LOCKED = 1;
}

# END SCRIPT CONFIG #

if (-e $LOCKFILE) {
  die "[ANTI FLOOD] Exiting...\n";
}


if ($ENV{TRACK_ACTION} eq "center") {
  movecam("home");
} elsif ($ENV{TRACK_ACTION} eq "move") {
  if ($ENV{TRACK_CENT_X} < $ENV{TRACK_IMGS_WIDTH} * $OFFSET1) {
    print STDERR "$ENV{TRACK_CENT_X} < ".$ENV{TRACK_IMGS_WIDTH} * $OFFSET1."\n";
    movecam("left");
  } elsif ($ENV{TRACK_CENT_X} > $ENV{TRACK_IMGS_WIDTH} * $OFFSET2) {
    print STDERR "$ENV{TRACK_CENT_X} > ".$ENV{TRACK_IMGS_WIDTH} * $OFFSET2."\n";
    movecam("right");
  } elsif ($ENV{TRACK_CENT_Y} < $ENV{TRACK_IMGS_HEIGHT} * $OFFSET1) {
    movecam("up");
  } elsif ($ENV{TRACK_CENT_Y} > $ENV{TRACK_IMGS_HEIGHT} * $OFFSET2) {
    movecam("down");
  }
}

if ($LOCKED == 1) {
  sleep 1;
  unlink $LOCKFILE or warn $!;
}