From 84b3e8f1a7e458b81df489ebfa0f27d7653bd468 Mon Sep 17 00:00:00 2001
From: Mark van Renswoude <mark@x2software.net>
Date: Sun, 10 Jul 2016 19:34:49 +0200
Subject: [PATCH] Initial commit

---
 .gitignore                  |  3 ++
 capture.js                  | 80 +++++++++++++++++++++++++++++++++++++
 config.sample.js            | 21 ++++++++++
 index.js                    | 58 +++++++++++++++++++++++++++
 package.json                | 16 ++++++++
 securitycam.sublime-project |  8 ++++
 6 files changed, 186 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 capture.js
 create mode 100644 config.sample.js
 create mode 100644 index.js
 create mode 100644 package.json
 create mode 100644 securitycam.sublime-project

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3e4d1b2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/config.js
+/node_modules/
+*.sublime-workspace
\ No newline at end of file
diff --git a/capture.js b/capture.js
new file mode 100644
index 0000000..18edcbe
--- /dev/null
+++ b/capture.js
@@ -0,0 +1,80 @@
+var http = require('http');
+var fs = require('fs');
+var util = require('util');
+var Readable = require('stream').Readable;
+var FfmpegCommand = require('fluent-ffmpeg');
+
+
+var PushStream = function(options) { Readable.call(this, options); };
+util.inherits(PushStream, Readable);
+PushStream.prototype._read = function(n) { };
+
+
+module.exports =
+{
+	start: function(camId, cam, now)
+	{
+		var timer = null;
+		var req = null;
+
+		console.log('Starting FFmpeg');
+
+		var output = new PushStream();
+		var command = new FfmpegCommand();
+		command
+			.input(output)
+			.inputFormat('mjpeg')
+			.inputOption('-use_wallclock_as_timestamps 1')
+			.output('D:/Temp/' + camId + '.avi')
+			.videoCodec('libx264')
+			.outputFormat('avi')
+			.run();
+
+
+		var cleanup = function()
+		{
+			if (timer !== null)
+			{
+				clearTimeout(timer);
+				timer = null;
+			}
+
+			if (command !== null)
+			{
+				output.push(null);
+				command = null;
+			}
+		};
+
+
+		req = http.request(cam.url, function(res)
+		{
+			timer = setTimeout(function()
+			{
+				console.log('Timeout!');
+				req.abort();
+
+				cleanup();
+			}, cam.timeout);
+
+			res.on('data', function(chunk)
+			{
+				output.push(chunk);
+			});
+
+			res.on('end', function()
+			{
+				console.log('End!');
+				cleanup();
+			});
+		});
+
+		req.on('error', function(e)
+		{
+			console.log(e);
+			cleanup();
+		});
+
+		req.end();
+	}
+};
\ No newline at end of file
diff --git a/config.sample.js b/config.sample.js
new file mode 100644
index 0000000..f080bf4
--- /dev/null
+++ b/config.sample.js
@@ -0,0 +1,21 @@
+var config = {};
+
+config.port = 5705;
+config.defaultOutputBase = '/srv/cam/';
+config.defaultOutputFilename = 'YYYY-MM-DD HH.mm.ss <camId>.avi';
+config.defaultTimeout = 5000;
+
+config.cams =
+{
+	frontdoor:
+	{
+		url: 'http://10.138.1.10/videostream.cgi?user=viewer&pwd=verysecure',
+		timeout: 5000,
+
+		outputBase: '/srv/www/publiccam/YYYY-MM-DD HH.mm.ss/',
+		outputFilename: '<camId>.avi'
+	}
+};
+
+
+module.exports = config;
\ No newline at end of file
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..71a8cee
--- /dev/null
+++ b/index.js
@@ -0,0 +1,58 @@
+var config = require('./config');
+var capture = require('./capture');
+
+var moment = require('moment');
+var express = require('express');
+var app = express();
+
+
+// Some sanity checking to avoid issues later on
+if (!config.cams)
+	config.cams = [];
+
+
+app.get('/', function(req, res)
+{
+	res.send(JSON.stringify(
+	{
+		status: 'running',
+		cams: Object.keys(config.cams)
+	}));
+});
+
+
+app.get('/capture', function(req, res)
+{
+	var now = moment();
+	var cams = [];
+
+	for (var camId in config.cams)
+	{
+		cams.push(camId);
+		capture.start(camId, config.cams[camId], now);
+	}
+
+	res.send(JSON.stringify(cams));
+});
+
+
+app.get('/capture/:camId', function(req, res)
+{
+	var camId = req.params.camId;
+
+	if (config.cams.hasOwnProperty(camId))
+	{
+		capture.start(config.cams[camId], moment());
+		res.send(JSON.stringify([camId]));
+	}
+	else
+	{
+		res.sendStatus(404);
+	}
+});
+
+
+app.listen(config.port, function()
+{
+  console.log('SecurityCam.js running on port ' + config.port);
+});
\ No newline at end of file
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..176f3b2
--- /dev/null
+++ b/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "securitycam.js",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.14.0",
+    "fluent-ffmpeg": "^2.1.0",
+    "moment": "^2.14.1"
+  }
+}
diff --git a/securitycam.sublime-project b/securitycam.sublime-project
new file mode 100644
index 0000000..24db303
--- /dev/null
+++ b/securitycam.sublime-project
@@ -0,0 +1,8 @@
+{
+	"folders":
+	[
+		{
+			"path": "."
+		}
+	]
+}