FFMPEG Converter

 1 #!/bin/bash
 2 # shell script to set path and run webm to mp3 converter IF no other instance of ffmpeg is running
 3 
 4 export PATH="$PATH:/home/pi"
 5 cd /home/pi/matrixOne/ui/youtube_dl/
 6 
 7 # remove illegal chars
 8 for f in *.mp3; do nf=$(echo "$f" |sed -e 's/[^A-Za-z0-9.]/./g;s/\.\.\././g;s/\.\././g'); test "$f" != "$nf" && mv "$f" "$nf" && cat "$f"|tr -cd '\11\12\15\40-\176' && echo "$nf"; done
 9 sleep 1
10 # test for running ffmpeg encoder, if so do not encode
11 if pgrep -x "ffmpeg" >/dev/null
12 then
13     exit 0
14 else
15     # search for webm and convert to mp3
16     find . -type f -iname "*.webm" -exec bash -c 'FILE="$1"; ffmpeg -i "${FILE}" -vn -ab 256k -ar 44100 -y "${FILE%.webm}.mp3";' _ '{}' \;
17     # cleanup & remove webm
18     rm -f *.webm
19     sleep 1
20     find . -type f -iname "*.m4a" -exec bash -c 'FILE="$1"; ffmpeg -i "${FILE}" -vn -ab 256k -ar 44100 -y "${FILE%.m4a}.mp3";' _ '{}' \;
21     # cleanup & remove m4a
22     rm -f *.m4a
23     sleep 1
24     # build index.html for downloading
25     find -name "*[äëöüÄÖÜß]*" -exec rename 's/ë/ee/g;s/ä/ae/g;s/ü/ue/g;s/ß/ss/g;s/Ä/Ae/g;s/Ü/Ue/g;s/Ö/Oe/g;s/ö/oe/g' {} \;
26     sleep 2
27     # old generated index.html version was using tree, now we use html4tree
28     # tree -H '.' -L 1 --noreport --charset utf-8 -P "*.mp3" > index.html
29     java -jar /home/pi/html4tree/build/libs/html4tree.jar /home/pi/matrixOne/ui/youtube_dl/
30     touch -c -d now *.mp3
31     sed -i "3i <link rel=\"stylesheet\" type=\"text/css\" href=\"..\/global.css\">" index.html
32     exit 0
33 fi