CLI VJ

cli-vj.sh

# requirements: curl, ffmpeg, youtube-dl
mkdir ttaass.com
chdir ttaass.com
curl https://www.ttaass.com |\
    perl -nE 'say $1 while m{"(http://www\.youtube\.com[^"]+)}g' |\
    sort -u |\
    xargs -n 1 youtube-dl -f 'bestvideo[ext=mp4,width=1920,height=1080]'

# delete the unwanted ones...

# normalize videos
find -type f -name \*.mp4 -print0 |\
    xargs -0 -n1 -I % ffmpeg -i % -q 0 %.mts

# adjust the ARGV multiplier for longer sets
perl -MList::Util=shuffle -E "say qq(file '\$_') for shuffle ((@ARGV) x 10)"  *.mts > playlist.txt

# re-encode with quality recommended for YouTube
ffmpeg -safe 0 -f concat -i playlist.txt \
    -vf mpdecimate,setpts=N/30/TB -r 30 \
    -codec:v libx264 -crf 21 -bf 2 -flags +cgop -pix_fmt yuv420p -b:v 15m \
    ttaass.mp4