From 6f1f5f590828ef0c6714a66009a5be79f04361f7 Mon Sep 17 00:00:00 2001
From: Mark van Renswoude <mark@x2software.net>
Date: Sat, 16 Jul 2016 15:49:19 +0200
Subject: [PATCH] Prevent 'after' commands running before 'during' is done
 Added helper for Foscam URL's

---
 capture.js       | 21 ++++++++++++--
 config-foscam.js | 71 ++++++++++++++++++++++++++++++++++++++++++++++++
 config.sample.js | 13 +++++++--
 3 files changed, 100 insertions(+), 5 deletions(-)
 create mode 100644 config-foscam.js

diff --git a/capture.js b/capture.js
index eb4f1c1..96b63bf 100644
--- a/capture.js
+++ b/capture.js
@@ -87,6 +87,8 @@ module.exports =
 		var timer = null;
 		var req = null;
 		var output = new (require('./output-' + cam.output))(camId, cam.outputOptions, now);
+		var duringDone = false;
+		var queueAfter = false;
 
 
 		runCommands(cam.before, 'before', function()
@@ -105,13 +107,25 @@ module.exports =
 					output = null;
 				}
 
-				runCommands(cam.after, 'after', function() { });
+				// If the stream is cut short, or the time is configured
+				// to be less than the duration of the 'during' commands,
+				// queue it up.
+				if (duringDone)
+					runCommands(cam.after, 'after', function() { });
+				else
+					queueAfter = true;
 			};
 
-
 			req = http.request(cam.url, function(res)
 			{
-				runCommands(cam.during, 'during', function() { })
+				runCommands(cam.during, 'during', function()
+				{
+					if (queueAfter)
+						runCommands(cam.after, 'after', function() { });
+					else
+						duringDone = true;
+				});
+
 
 				timer = setTimeout(function()
 				{
@@ -119,6 +133,7 @@ module.exports =
 					cleanup();
 				}, cam.time || config.defaultTime || 10000);
 
+
 				res.on('end', function()
 				{
 					cleanup();
diff --git a/config-foscam.js b/config-foscam.js
new file mode 100644
index 0000000..2a9341c
--- /dev/null
+++ b/config-foscam.js
@@ -0,0 +1,71 @@
+var url = require('url');
+var foscam = {};
+
+// Based on: www.foscam.es/descarga/ipcam_cgi_sdk.pdf
+// Tested on FI8910W
+
+function baseUrl(host, cgi, username, password)
+{
+	var urlObject = {
+		protocol: 'http:',
+		host: host,
+		pathname: cgi,
+		query: {}
+	};
+
+	if (typeof(username) !== 'undefined')
+		urlObject.query.user = username;
+
+	if (typeof(password) !== 'undefined')
+		urlObject.query.pwd = password;
+
+	return urlObject;
+}
+
+
+/*
+	rate：
+		image data translate speed, value range 0-23
+
+		0: full speed
+		1： 20 fps
+		3: 15 fps
+		6： 10 fps
+		11： 5 fps
+		12： 4 fps
+		13： 3 fps
+		14： 2 fps
+		15： 1 fps
+		17： 1 fp/2s
+		19： 1 fp/3s
+		21： 1 fp/4s
+		23： 1 fp/5s
+
+	resolution：
+		image resolution （8： 320*240， 32： 640*480）
+*/
+foscam.mjpegStream = function(host, username, password, rate, resolution)
+{
+	var urlObject = baseUrl(host, 'videostream.cgi', username, password);
+
+	if (typeof(resolution) !== 'undefined')
+		urlObject.query.resolution = resolution;
+
+	if (typeof(rate) !== 'undefined')
+		urlObject.query.rate = rate;
+
+	return url.format(urlObject);
+}
+
+foscam.gotoPreset = function(host, presetNumber, username, password)
+{
+	if (presetNumber < 1) presetNumber = 1;
+	if (presetNumber > 32) presetNumber = 32;
+
+	var urlObject = baseUrl(host, 'decoder_control.cgi', username, password);
+	urlObject.query.command = 29 + (presetNumber * 2);
+
+	return url.format(urlObject);
+}
+
+module.exports = foscam;
\ No newline at end of file
diff --git a/config.sample.js b/config.sample.js
index cbb2712..771591e 100644
--- a/config.sample.js
+++ b/config.sample.js
@@ -1,3 +1,4 @@
+var foscam = require('./config-foscam');
 var config = {};
 
 config.port = 5705;
@@ -7,7 +8,9 @@ config.cams =
 {
 	frontdoor:
 	{
-		url: 'http://10.138.1.10/videostream.cgi?user=viewer&pwd=verysecure',
+		// You can specify any URL string here, the Foscam helper just makes it easier
+		// for compatible models. If you add your own config helper, please publish!
+		url: foscam.mjpegStream('10.138.1.10', 'viewer', 'verysecure'),
 		time: 5000,
 
 		output: 'ffmpeg',
@@ -18,11 +21,17 @@ config.cams =
 			videoCodec: 'libx264',
 			filename: '[/srv/www/publiccam/]YYYY-MM-DD HH.mm.ss[/<camId>.avi]'
 		}
+
+		// TODO examples for before/after/during commands
 	},
 
 	backdoor:
 	{
-		url: 'http://10.138.1.11/videostream.cgi?user=viewer&pwd=verysecure',
+		// You can use username:password@ in the URL to log in with basic
+		// authentication. Note that some cams, like Foscam, use Digest
+		// authentication which is not supported. For Foscam you can provide
+		// the login in the parameters instead.
+		url: 'http://viewer:verysecure@10.138.1.11/video.cgi',
 		time: 5000,
 
 		output: 'mjpeg-split',