Shinobi/plugins/opencv/shinobi-opencv-no-motion.js

212 lines
7.6 KiB
JavaScript

//
// Shinobi - OpenCV Plugin
// Copyright (C) 2016-2025 Moe Alam, moeiscool
//
// # Donate
//
// If you like what I am doing here and want me to continue please consider donating :)
// PayPal : paypal@m03.a
//
process.on('uncaughtException', function (err) {
console.error('uncaughtException',err);
});
var fs=require('fs');
var cv=require('opencv');
var exec = require('child_process').exec;
var moment = require('moment');
var config=require('./conf.json');
if(config.systemLog===undefined){config.systemLog=true}
s={
group:{},
dir:{
cascades:__dirname+'/cascades/'
},
isWin:(process.platform==='win32')
}
//default stream folder check
if(!config.streamDir){
if(s.isWin===false){
config.streamDir='/dev/shm'
}else{
config.streamDir=config.windowsTempDir
}
if(!fs.existsSync(config.streamDir)){
config.streamDir=__dirname+'/streams/'
}else{
config.streamDir+='/streams/'
}
}
s.dir.streams=config.streamDir;
//streams dir
if(!fs.existsSync(s.dir.streams)){
fs.mkdirSync(s.dir.streams);
}
s.gid=function(x){
if(!x){x=10};var t = "";var p = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for( var i=0; i < x; i++ )
t += p.charAt(Math.floor(Math.random() * p.length));
return t;
};
s.systemLog=function(q,w,e){
if(!w){w=''}
if(!e){e=''}
if(config.systemLog===true){
return console.log(moment().format(),q,w,e)
}
}
s.findCascades=function(callback){
var tmp={};
tmp.foundCascades=[];
fs.readdir(s.dir.cascades,function(err,files){
files.forEach(function(cascade,n){
if(cascade.indexOf('.xml')>-1){
tmp.foundCascades.push(cascade.replace('.xml',''))
}
})
s.cascadesInDir=tmp.foundCascades;
callback(tmp.foundCascades)
})
}
s.findCascades(function(){
//get cascades
})
s.detectObject=function(buffer,d){
var keys = Object.keys(d.mon.detector_cascades);
if(d.mon.detector_lisence_plate==="1"){
if(!d.mon.detector_lisence_plate_country||d.mon.detector_lisence_plate_country===''){
d.mon.detector_lisence_plate_country='us'
}
d.tmpFile=s.gid(5)+'.jpg'
if(!fs.existsSync(s.dir.streams)){
fs.mkdirSync(s.dir.streams);
}
d.dir=s.dir.streams+d.ke+'/'
if(!fs.existsSync(d.dir)){
fs.mkdirSync(d.dir);
}
d.dir=s.dir.streams+d.ke+'/'+d.id+'/'
if(!fs.existsSync(d.dir)){
fs.mkdirSync(d.dir);
}
fs.writeFile(d.dir+d.tmpFile,buffer,function(err){
if(err) return s.systemLog(err);
exec('alpr -j -c '+d.mon.detector_lisence_plate_country+' '+d.dir+d.tmpFile,{encoding:'utf8'},(err, scan, stderr) => {
if(err){
s.systemLog(err);
}else{
try{
try{
scan=JSON.parse(scan)
}catch(err){
if(!scan||!scan.results){
return s.systemLog(scan,err);
}
}
if(scan.results.length>0){
scan.plates=[]
scan.mats=[]
scan.results.forEach(function(v){
v.candidates.forEach(function(g,n){
if(v.candidates[n].matches_template)
delete(v.candidates[n].matches_template)
})
scan.plates.push({coordinates:v.coordinates,candidates:v.candidates,confidence:v.confidence,plate:v.plate})
var width = Math.sqrt( Math.pow(v.coordinates[1].x - v.coordinates[0].x, 2) + Math.pow(v.coordinates[1].y - v.coordinates[0].y, 2));
var height = Math.sqrt( Math.pow(v.coordinates[2].x - v.coordinates[1].x, 2) + Math.pow(v.coordinates[2].y - v.coordinates[1].y, 2))
scan.mats.push({
x:v.coordinates[0].x,
y:v.coordinates[0].y,
width:width,
height:height,
tag:v.plate
})
})
tx({f:'trigger',id:d.id,ke:d.ke,details:{plug:config.plug,name:'licensePlate',reason:'object',matrices:scan.mats,confidence:d.average,imgHeight:d.mon.detector_scale_y,imgWidth:d.mon.detector_scale_x,frame:d.base64}})
}
}catch(err){
s.systemLog(err);
}
}
exec('rm -rf '+d.dir+d.tmpFile,{encoding:'utf8'})
})
})
}
if(keys.length===0){return false}
cv.readImage(buffer, function(err,im){
if(err){console.log(err);return false;}
var width = im.width();
var height = im.height();
if (width < 1 || height < 1) {
throw new Error('Image has no size');
}
keys.forEach(function(v,n){
im.detectObject(s.dir.cascades+v+'.xml',{}, function(err,mats){
if(err){console.log(err);return false;}
if(mats&&mats.length>0){
s.cx({f:'trigger',id:d.id,ke:d.ke,details:{plug:config.plug,name:v,reason:'object',matrices:mats,confidence:d.average,imgHeight:height,imgWidth:width}})
}
})
})
})
}
io = require('socket.io-client')('ws://'+config.host+':'+config.port);//connect to master
s.cx=function(x){x.pluginKey=config.key;x.plug=config.plug;return io.emit('ocv',x)}
io.on('connect',function(d){
s.cx({f:'init',plug:config.plug});
})
io.on('disconnect',function(d){
io.connect()
})
io.on('f',function(d){
switch(d.f){
case'refreshPlugins':
s.findCascades(function(cascades){
s.cx({f:'s.tx',data:{f:'detector_cascade_list',cascades:cascades},to:'GRP_'+d.ke})
})
break;
case'readPlugins':
s.cx({f:'s.tx',data:{f:'detector_cascade_list',cascades:s.cascadesInDir},to:'GRP_'+d.ke})
break;
case'init_monitor':
if(s.group[d.ke]&&s.group[d.ke][d.id]){
s.group[d.ke][d.id].canvas={}
s.group[d.ke][d.id].canvasContext={}
s.group[d.ke][d.id].blendRegion={}
s.group[d.ke][d.id].blendRegionContext={}
s.group[d.ke][d.id].lastRegionImageData={}
delete(s.group[d.ke][d.id].cords)
delete(s.group[d.ke][d.id].buffer)
}
break;
case'frame':
d.details={}
try{
if(!s.group[d.ke]){
s.group[d.ke]={}
}
if(!s.group[d.ke][d.id]){
s.group[d.ke][d.id]={
canvas:{},
canvasContext:{},
lastRegionImageData:{},
blendRegion:{},
blendRegionContext:{},
}
}
if(!s.group[d.ke][d.id].buffer){
s.group[d.ke][d.id].buffer=[d.frame];
}else{
s.group[d.ke][d.id].buffer.push(d.frame)
}
if(d.frame[d.frame.length-2] === 0xFF && d.frame[d.frame.length-1] === 0xD9){
s.group[d.ke][d.id].buffer=Buffer.concat(s.group[d.ke][d.id].buffer);
s.detectObject(s.group[d.ke][d.id].buffer,d)
s.group[d.ke][d.id].buffer=null;
}
} catch(err){
console.error(err)
}
break;
}
})