diff --git a/.gitignore b/.gitignore index 5148e52..268b863 100755 --- a/.gitignore +++ b/.gitignore @@ -35,3 +35,6 @@ jspm_packages # Optional REPL history .node_repl_history + +# Ignore visual studio directory +.vs \ No newline at end of file diff --git a/camera.js b/camera.js index ac3f0b4..2e54c07 100755 --- a/camera.js +++ b/camera.js @@ -1,504 +1,508 @@ var util = require('util'); -module.exports = function Camera(){ - +module.exports = function Camera() { + this.ENCODING_JPEG = "jpg"; this.ENCODING_BMP = "bmp"; this.ENCODING_GIF = "gif"; this.ENCODING_PNG = "png"; - + this.filename = null; this.folder = null; this.command = "raspistill"; - this.parameters= []; - - this.takePicture = function takePicture(file,callback){ - - if (typeof(file) == "function") { + this.parameters = []; + this.exec = require('child_process').exec; + this.child = null; + + this.takePicture = function takePicture(file, callback) { + + if (typeof (file) == "function") { callback = file; - file=null; + file = null; } - - if(!this.folder){ + + if (!this.folder) { this.folder = util.format("%s/pitures", __dirname); } - - if(file){ + + if (file) { this.filename = util.format("%s/%s", this.folder, file); - }else{ + } else { this.filename = util.format("%s/%s.jpg", this.folder, new Date().toJSON()); } - + this.output(this.filename); - + this.command = "raspistill"; - + for (key in this.parameters) { - + //JD: remove this as .nopreview required a value in order to be set but the command did not require a value //if (this.parameters[key]){ - this.command+= util.format(' %s %s ', key, this.parameters[key]); + this.command += util.format(' %s %s ', key, this.parameters[key]); //} - + } - - var exec = require('child_process').exec,child; - + var self = this; console.log('executing...'); console.log(this.command); console.log('---'); - - child = exec(this.command,function (error, stdout, stderr) { - - if(callback!==undefined){ - callback(self.filename,stderr); + + this.child = this.exec(this.command, function (error, stdout, stderr) { + + if (callback !== undefined) { + callback(self.filename, stderr); } - + }); - }, - this.recordVideo = function(file, callback){ - - if (typeof(file) == "function") { + }; + this.recordVideo = function (file, callback) { + + if (typeof (file) == "function") { callback = file; - file=null; + file = null; } - - if(!this.folder){ + + if (!this.folder) { this.folder = util.format("%s/videos", __dirname); } - - if(file){ + + if (file) { this.filename = util.format("%s/%s", this.folder, file); - }else{ + } else { this.filename = util.format("%s/%s.h264", this.folder, new Date().toJSON()); } - + this.output(this.filename); - + this.command = "raspivid"; - - + + //if we are streaming remove output command - if(this.parameters['-o - >']){ + if (this.parameters['-o - >']) { delete this.parameters["-o"]; } - - for(key in this.parameters){ - - if(this.parameters[key]){ - this.command+= util.format(' %s %s ', key, this.parameters[key]); + + for (key in this.parameters) { + + if (this.parameters[key]) { + this.command += util.format(' %s %s ', key, this.parameters[key]); } - + } - - var exec = require('child_process').exec,child; - + var self = this; - - child = exec(this.command,function (error, stdout, stderr) { - - if(callback!==undefined){ - callback(self.filename,stderr); + + this.child = this.exec(this.command, function (error, stdout, stderr) { + + if (callback !== undefined) { + callback(self.filename, stderr); } - + }); - - }, - this.prepare = function(parameters){ - - for(key in parameters){ + + }; + this.prepare = function (parameters) { + + for (key in parameters) { this[key](parameters[key]); } - - return this; - - }, - this.quality = function(value){ - - this.parameters['-q']= value; - - return this; - }, - this.width = function(value){ - - this.parameters['-w']= value; - - return this; - }, - this.height = function(value){ - - this.parameters['-h']= value; - - return this; - }, - this.preview = function(value){ - + + return this; + + }; + this.quality = function (value) { + + this.parameters['-q'] = value; + + return this; + }; + this.width = function (value) { + + this.parameters['-w'] = value; + + return this; + }; + this.height = function (value) { + + this.parameters['-h'] = value; + + return this; + }; + this.preview = function (value) { + this.parameters["-p"] = value; - - }, - this.fullscreen = function(value){ - - if(value===undefined) - value=""; - + + }; + this.fullscreen = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-f"] = value; - - return this; - - }, - this.nopreview = function(value) { - - if(value===undefined) - value=""; - + + return this; + + }; + this.nopreview = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-n"] = value; - + return this; - - }, - this.opacity = function(value){ - + + }; + this.opacity = function (value) { + this.parameters["-op"] = value; - + return this; - - }, - this.sharpness= function(value){ - + + }; + this.sharpness = function (value) { + this.parameters["-sh"] = value; - + return this; - - }, - this.contrast= function(value){ - + + }; + this.contrast = function (value) { + this.parameters["-co"] = value; - + return this; - - }, - this.brightness= function(value){ - + + }; + this.brightness = function (value) { + this.parameters["-br"] = value; - + return this; - - }, - this.saturation= function(value){ - + + }; + this.saturation = function (value) { + this.parameters["-sa"] = value; - - return this; - - }, - this.ISO= function(value){ - - if(value===undefined) - value=""; - + + return this; + + }; + this.ISO = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-ISO"] = value; - - return this; - - }, - this.vstab= function(value){ - - if(value===undefined) - value=""; - + + return this; + + }; + this.vstab = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-vs"] = value; - + return this; - - }, - this.ev= function(value){ - + + }; + this.ev = function (value) { + this.parameters["-ev"] = value; - + return this; - - }, - this.exposure= function(value){ - + + }; + this.exposure = function (value) { + this.parameters["-ex"] = value; - + return this; - - }, - this.awb= function(value){ - + + }; + this.awb = function (value) { + this.parameters["-awb"] = value; - + return this; - - }, - this.imxfx= function(value){ - + + }; + this.imxfx = function (value) { + this.parameters["-ifx"] = value; - + return this; - - }, - this.colfx= function(value){ - + + }; + this.colfx = function (value) { + this.parameters["-cfx"] = value; - - return this; - - }, - this.metering= function(value){ - - if(value===undefined) - value=""; - + + return this; + + }; + this.metering = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-mm"] = value; - + return this; - - }, - this.rotation= function(value){ - + + }; + this.rotation = function (value) { + this.parameters["-rot"] = value; - - return this; - - }, - this.hflip= function(value){ - - if(value===undefined) - value=""; - + + return this; + + }; + this.hflip = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-hf"] = value; - - return this; - - }, - this.vflip= function(value){ - - if(value===undefined) - value=""; - + + return this; + + }; + this.vflip = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-vf"] = value; - + return this; - - }, - this.roi= function(value){ - + + }; + this.roi = function (value) { + this.parameters["-roi"] = value; - + return this; - - }, - this.shutter= function(value){ - + + }; + this.shutter = function (value) { + this.parameters["-s"] = value; - + return this; - - }, - this.drc= function(value){ - + + }; + this.drc = function (value) { + this.parameters["-drc"] = value; - - return this; - - }, - this.raw= function(value){ - - if(value===undefined) - value=""; - + + return this; + + }; + this.raw = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-r"] = value; - + return this; - - }, - this.output= function(value){ - + + }; + this.output = function (value) { + this.filename = value; this.parameters["-o"] = value; - + return this; - - }, - this.latest= function(value){ - + + }; + this.latest = function (value) { + this.parameters["-l"] = value; - + return this; - - }, - this.verbose= function(value){ - + + }; + this.verbose = function (value) { + this.parameters["-v"] = value; - + return this; - - }, - this.timeout= function(value){ - + + }; + this.timeout = function (value) { + this.parameters["-t"] = value; - + return this; - - }, - this.timelapse= function(value){ - + + }; + this.timelapse = function (value) { + this.parameters["-tl"] = value; - + return this; - - }, - this.thumb= function(value){ - + + }; + this.thumb = function (value) { + this.parameters["-th"] = value; - + return this; - - }, - this.demo= function(value){ - + + }; + this.demo = function (value) { + this.parameters["-d"] = value; - + return this; - - }, - this.encoding= function(value){ - + + }; + this.encoding = function (value) { + this.parameters["-e"] = value; - + return this; - - }, - this.exif= function(value){ - + + }; + this.exif = function (value) { + this.parameters["-x"] = value; - - return this; - - }, - this.fullpreview= function(value){ - - if(value===undefined) - value=""; - + + return this; + + }; + this.fullpreview = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-fp"] = value; - + return this; - - }, - this.signal= function(value){ - + + }; + this.signal = function (value) { + this.parameters["-s"] = value; - + return this; - - }, - this.bitrate = function(value){ - + + }; + this.bitrate = function (value) { + this.parameters["-b"] = value; - + return this; - - }, - this.framerate = function(value){ - + + }; + this.framerate = function (value) { + this.parameters["-fps"] = value; - - return this; - - }, - this.penc = function(value){ - - if(value===undefined) - value=""; - + + return this; + + }; + this.penc = function (value) { + + if (value === undefined) + value = ""; + this.parameters["-e"] = value; - + return this; - - }, - this.intra = function(value){ - + + }; + this.intra = function (value) { + this.parameters["-g"] = value; - + return this; - - }, - this.qp = function(value){ - + + }; + this.qp = function (value) { + this.parameters["-qp"] = value; - + return this; - - }, - this.profile = function(value){ - + + }; + this.profile = function (value) { + this.parameters["-pf"] = value; - + return this; - - }, - this.inline = function(value){ - + + }; + this.inline = function (value) { + this.parameters["-ih"] = value; - + return this; - - }, - this.timed = function(value){ - + + }; + this.timed = function (value) { + this.parameters["-td"] = value; - + return this; - - }, - this.initial = function(value){ - + + }; + this.initial = function (value) { + this.parameters["-i"] = value; - + return this; - - }, - this.segment = function(value){ - + + }; + this.segment = function (value) { + this.parameters["-sg"] = value; - + return this; - - }, - this.wrap = function(value){ - + + }; + this.wrap = function (value) { + this.parameters["-wr"] = value; - + return this; - - }, - this.start = function(value){ - + + }; + this.start = function (value) { + this.parameters["-sn"] = value; - + return this; - - }, - this.streamVideo = function(value){ - + + }; + this.streamVideo = function (value) { + this.parameters["-o - >"] = value; - + return this; - - } - this.baseFolder = function(directory){ + + }; + this.baseFolder = function (directory) { this.folder = directory; // JD added return this to allow chaining return this; - }, - this.reset = function(){ - this.parameters= []; - } + }; + this.reset = function () { + this.parameters = []; + }; + this.CloseProcess = function () { + //Close child process + this.child.kill("SIGINT"); + + 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"util-deprecate": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", + "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=" + } + } +} diff --git a/package.json b/package.json index 10a7a1f..65f71e4 100755 --- a/package.json +++ b/package.json @@ -1,11 +1,11 @@ { "name": "raspberry-pi-mjpeg-server", - "version": "1.0.3", + "version": "1.0.4", "description": "Node.js mjpeg streaming server for the Raspberry PI camera module", "main": "index.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1", - "start": "node index.js" + "start": "node raspberry-pi-mjpeg-server.js" }, "repository": { "type": "git", @@ -31,7 +31,8 @@ "dependencies": { "chokidar": "^1.6.0", "commander": "^2.9.0", - "ip":"^1.1.4", + "http-shutdown": "^1.2.0", + "ip": "^1.1.4", "pubsub-js": "~1.5.2" } } diff --git a/raspberry-pi-mjpeg-server.js b/raspberry-pi-mjpeg-server.js index 99f3bfd..e19ecd6 100755 --- a/raspberry-pi-mjpeg-server.js +++ b/raspberry-pi-mjpeg-server.js @@ -10,25 +10,31 @@ var fs = require("fs"), localIp = require('ip'), PiCamera = require('./camera.js'), program = require('commander'), - pjson = require('./package.json'); + pjson = require('./package.json'), + process = require('process'); + + require('http-shutdown').extend(); + +// setup the camera +var camera = new PiCamera(); program - .version(pjson.version) - .description(pjson.description) - .option('-p --port ', 'port number (default 8080)', parseInt) - .option('-w --width ', 'image width (default 640)', parseInt) - .option('-l --height ', 'image height (default 480)', parseInt) - .option('-q --quality ', 'jpeg image quality from 0 to 100 (default 85)', parseInt) - .option('-s --sharpness ', 'Set image sharpness (-100 - 100)', parseInt) - .option('-c --contrast ', 'Set image contrast (-100 - 100)', parseInt) - .option('-b --brightness ', 'Set image brightness (0 - 100) 0 is black, 100 is white', parseInt) - .option('-s --saturation ', 'Set image saturation (-100 - 100)', parseInt) - .option('-t --timeout ', 'timeout in milliseconds between frames (default 500)', parseInt) - .option('-v --version', 'show version') - .parse(process.argv); - -program.on('--help', function(){ - console.log("Usage: " + pjson.name + " [OPTION]\n"); + .version(pjson.version) + .description(pjson.description) + .option('-p --port ', 'port number (default 8080)', parseInt) + .option('-w --width ', 'image width (default 640)', parseInt) + .option('-l --height ', 'image height (default 480)', parseInt) + .option('-q --quality ', 'jpeg image quality from 0 to 100 (default 85)', parseInt) + .option('-s --sharpness ', 'Set image sharpness (-100 - 100)', parseInt) + .option('-c --contrast ', 'Set image contrast (-100 - 100)', parseInt) + .option('-b --brightness ', 'Set image brightness (0 - 100) 0 is black, 100 is white', parseInt) + .option('-a --saturation ', 'Set image saturation (-100 - 100)', parseInt) + .option('-t --timeout ', 'timeout in milliseconds between frames (default 500)', parseInt) + .option('-v --version', 'show version') + .parse(process.argv); + +program.on('--help', function () { + console.log("Usage: " + pjson.name + " [OPTION]\n"); }); var port = program.port || 8080, @@ -48,7 +54,7 @@ var port = program.port || 8080, /** * create a server to serve out the motion jpeg images */ -var server = http.createServer(function(req, res) { +var server = http.createServer(function (req, res) { // return a html page if the user accesses the server directly if (req.url === "/") { @@ -84,7 +90,7 @@ var server = http.createServer(function(req, res) { // // send new frame to client // - var subscriber_token = PubSub.subscribe('MJPEG', function(msg, data) { + var subscriber_token = PubSub.subscribe('MJPEG', function (msg, data) { //console.log('sending image'); @@ -99,15 +105,15 @@ var server = http.createServer(function(req, res) { // // connection is closed when the browser terminates the request // - res.on('close', function() { + res.on('close', function () { console.log("Connection closed!"); PubSub.unsubscribe(subscriber_token); res.end(); }); } -}); +}).withShutdown(); -server.on('error', function(e) { +server.on('error', function (e) { if (e.code == 'EADDRINUSE') { console.log('port already in use'); } else if (e.code == "EACCES") { @@ -115,7 +121,7 @@ server.on('error', function(e) { } else { console.log("Unknown error"); } - process.exit(1); + exitHandler(); }); // start the server @@ -129,17 +135,17 @@ var tmpFile = path.resolve(path.join(tmpFolder, tmpImage)); // start watching the temp image for changes var watcher = chokidar.watch(tmpFile, { - persistent: true, - usePolling: true, - interval: 10, + persistent: true, + usePolling: true, + interval: 10, }); // hook file change events and send the modified image to the browser -watcher.on('change', function(file) { +watcher.on('change', function (file) { //console.log('change >>> ', file); - fs.readFile(file, function(err, imageData) { + fs.readFile(file, function (err, imageData) { if (!err) { PubSub.publish('MJPEG', imageData); } @@ -149,15 +155,12 @@ watcher.on('change', function(file) { }); }); -// setup the camera -var camera = new PiCamera(); - // start image capture camera .nopreview() .baseFolder(tmpFolder) .thumb('0:0:0') // dont include thumbnail version - .timeout(9999999) // never end + .timeout(0) // never end .timelapse(timeout) // how often we should capture an image .width(width) .height(height) @@ -167,3 +170,35 @@ camera .brightness(brightness) .saturation(saturation) .takePicture(tmpImage); + +function exitHandler() { + + console.log(pjson.name + " exiting"); + + server.close(); + + server.shutdown(function () { + console.log('MJPEG Http server shutdown completed'); + + camera.CloseProcess(); + + console.log(pjson.name + " closed"); + + process.exit(1); + }); +} + +process.on('uncaughtException', function (err) { + console.error(err); + exitHandler(); +}); + +//do something when app is closing +process.on('exit', () => { + exitHandler(); +}); + +//catches ctrl+c event +process.on('SIGINT', () => { + exitHandler(); +}); \ No newline at end of file