Download TU Delft Collegerama video streams, Silverlight player sucks.

collegedownloader.sh

#!/bin/bash

slides=1;
video=1;

for var in "$@"
do

	if [ "${var}" = "--slidesOnly" ]; then
		video=0;
		slides=1;
		continue;
	fi

	if [ "${var}" = "--videoOnly" ]; then
		video=1;
		slides=0;
		continue;
	fi

done

if [ -z $1 ]; then
	echo "
./collegedownloader <id> [filename]

id:       College peid url query variable (?peid=<id>)
filename: Filename to save to
"
	exit;
fi

id=$1

file="${id:0:8}-${id:8:4}-${id:12:4}-${id:16:4}-${id:20:12}"

manifest="http://collegerama.tudelft.nl/Mediasite/FileServer/Presentation/${id}/manifest.xml";
manifest_xml=`wget ${manifest} --quiet -O -`;

# video
if [ $video -eq 1 ]; then

	mp4=`echo "${manifest_xml}" | xpath -q -e '//VideoContent/Location/text()'`
	wget "${mp4}" -O $2

fi

# slides
if [ $slides -eq 1 ]; then

	slides=`echo "${manifest_xml}" | xpath -q -e '//Slide/Time/text()'`
	dataUrl=`echo "${manifest_xml}" | xpath -q -e '//SlideDataUrl/text()'`

	i=1;

	url="http://collegerama.tudelft.nl${dataUrl}/Presentation/${file}/slide_"

	for slide in $slides
	do

		c=`printf "%04d" "${i}"`;
		slide_url="${url}${c}_1024_768.jpg";
		file="slide_${c}_${slide}.jpg";
		echo "${file}";
		wget "${slide_url}" -q -O "${file}";

		i=$((i+1));

	done

fi

Ik heb geen verstand van code, maar zou wel graag wat van collegerama downloaden. Zou je wat uitleg er over kunnen geven of links naar de uitleg?

For this you need Linux or a Mac.

Then save this to a file, open the command line, chmod the file:

chmod +x collegedownloader.sh

And then copy the ID from the collegerama URL, so for example from

http://collegerama.tudelft.nl/Mediasite/Play/c9fd58f7297645e6a3aa87b6c7578c401d?catalog=528e5b24-a2fc-4def-870e-65bd84b28a8c

you select

c9fd58f7297645e6a3aa87b6c7578c401d

And then you can execute this script

./collegeramadownloader.sh c9fd58f7297645e6a3aa87b6c7578c401d college1.mp4

My Debian install (on a VirtualMachine) does not recognize xpath. I haven't been able to find a package to install it, any thoughts?

@IJoshFTW, in Ubuntu the package that supplies the xpath executable is called libxml-xpath-perl . It might be the same in Debian.

This way of downloading content from collegerama does not seem to work anymore, as the manifest file is not at the expected location anymore. Does anyone know how to work around this problem?

They replaced the manifest file with an extremely overengineered JSON API, but the process of looking up and downloading videos is still basically the same. Here's the script I'm using: https://gist.github.com/mnstrspeed/327e1a43ac09e67829b0. It depends on jq instead of xpath, so make sure that's installed (sudo apt-get install jq in Ubuntu/Debian).