45 lines
1.4 KiB
Bash
Executable File
45 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# prep - Encode for streaming and schedule cron job
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# Usage: prep
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# Called by cron every minute; process oldest .upload file in /var/www/uploadpage/streams)
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log=/var/www/encoding.log
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dir=/var/www/uploadpage/streams
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# Check for oldest uploaded file
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upload=$(/usr/bin/ls -1tr "$dir"/*.upload 2>/dev/null |head -1)
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# Finished if no /var/www/uploadpage/streams/*.upload files found
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[[ $upload ]] || exit 0
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Log(){ # 1:message 2:returncode
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echo "$1">>"$log"
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# Remove source (if returncode not zero)
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/usr/bin/sync
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/usr/bin/sleep 1
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(($2)) && /usr/bin/rm "$file"
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exit $2
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}
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# Rename upload and check type
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file=${upload%.upload} name=${file##*/} key=${name%%.*} date=${name##*.} video=$file.mp4
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/usr/bin/mv "$upload" "$file"
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type=$(file -bL --mime-type "$file")
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[[ ! ${type:0:5} = video ]] && Log "File $name is of type $type" 1
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# Encode video
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/usr/bin/ffmpeg -y -i "$file" -c:v libx264 -x264opts no-scenecut -b:v 6M -force_key_frames 'expr:gte(t,n_forced*2)' -c:a copy -tune zerolatency -f mp4 "$video" ||
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Log "Error encoding $name" 2
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# Schedule cron job
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m=${date:14:2} m=${m#0} h=${date:11:2} h=${h#0}
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D=${date:8:2} D=${D#0} M=${date:5:2} M=${M#0}
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/usr/bin/crontab -l ||
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echo -e "# m h dom mon dow command\n" |/usr/bin/crontab -
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line="$m $h $D $M "'*'" /var/www/stream '${video##*/}'"
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echo -e "$(/usr/bin/crontab -l)\n$line" |/usr/bin/crontab -
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Log "crontab: '$line'" 0
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