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Download TU Delft Collegerama video streams, Silverlight player sucks.
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#!/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 |
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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 ofxpath
, so make sure that's installed (sudo apt-get install jq
in Ubuntu/Debian).