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No clashes with multiple 2-pass encodings
This commit is contained in:
pepa65 2022-09-04 17:54:31 +07:00
parent 040f6caab3
commit b3f304b9af
2 changed files with 31 additions and 23 deletions
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46
encode
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@ -2,12 +2,12 @@
# encode - Encode for streaming and schedule cron job
# Usage: encode
# Called by cron every minute; process oldest .upload file in uploadpage/streams)
# Called by cron every minute; process oldest .upload file in ./uploadpage/streams)
# Check for oldest uploaded file
_=$(realpath -- "${BASH_SOURCE:-$0}") repopath=${_%/*}
_=$(readlink -f -- "${BASH_SOURCE:-$0}") repopath=${_%/*}
log=$repopath/process.log dir=$repopath/uploadpage/streams
upload=$(/usr/bin/ls -1tr "$dir"/*.upload 2>/dev/null |head -1)
upload=$(ls -tr "$dir"/*.upload 2>/dev/null |head -1)
# Finished if no uploadpage/streams/*.upload files found
[[ $upload ]] || exit 0
@ -17,29 +17,35 @@ Log(){ # 1:message 2:returncode(empty: no exit) I:file
[[ $2 ]] && exit $2 || return 0
}
Mail(){ # 1:kind(0:done, 1:wrong type, 2:encoding error) 2:logline I:email,name,type,start,finish
local sbj msg from="Stream Upload server"
Mail(){ # 1:kind(0:done, 1:wrong type, 2:encoding error) 2:logline I:repopath,email,name,type,start,finish
source "$repopath/mailvars" # I:to,user,password,smtp,port
[[ $email ]] && to=$email
sbj[0]="Stream upload done for ${name##*@}"
sbj[1]="Stream upload wrong type: $type"
sbj[2]="Stream upload error encoding"
local sbj msg from="Stream Upload server"
# Strip the '_' if email set
[[ $email ]] && to=${email:1}
sbj[0]="Stream Upload encoding done for ${name##*@}"
sbj[1]="Stream Upload file wrong type: $type"
sbj[2]="Stream Upload error encoding"
msg[0]="Heya,\n\nVideo file with tag $name\nEncoding started on $start and finished on $finish.\n\nStream Upload server"
msg[1]="Heya,\n\nThe file $name from $start is of type $type and could not be used.\n\nStream Upload server\n"
msg[2]="Heya,\n\nThe file $name started encoding on $start but ran into an error on $finish.\n\nStream Upload server\n"
[[ $to && $user && $password && $smtp && $port ]] &&
if [[ $to && $user && $password && $smtp && $port ]]
then
mailer -m "$(echo -e "${msg[$1]}")" -t "$to" -s "${sbj[$1]}" -u "$user" -p "$password" -S "$smtp" -P "$port" -f "$from" &&
Log "Mail with subject '${sbj[$1]}' sent to $to" ||
Log "Mail with subject '${sbj[$1]}' failed to send"
Log "-- Start encoding on $start, finished on $finish"
else
Log "Mail with subject '${sbj[$1]}' could not be sent"
(($1==1)) && Log "-- File of type $type"
(($1==2)) && Log "-- Start encoding on $start, error on $finish"
fi
Log "$2" $1
}
# Rename upload and check type
file=${upload%.upload} video=$file.mp4 name=${file##*/} key=${name%%.*}
rest=${name#*.} date=${rest:0:15} _=${rest:15} email=${_%@*}
# If email embedded, strip the '_'
[[ $email ]] && email=${email:1}
/usr/bin/mv "$upload" "$file"
mv "$upload" "$file"
type=$(file -bL --mime-type "$file")
[[ ! ${type:0:5} = video ]] && Mail 1 "File $name is of type $type"
@ -47,21 +53,23 @@ type=$(file -bL --mime-type "$file")
# Encode video
start=$(date +'%Y-%m-%d at %H:%M:%S') error=0
## Single pass
#/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" ||
#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" ||
# Double pass
/usr/bin/ffmpeg -y -i "$file" -c:v libx264 -x264opts no-scenecut -b:v 6M -maxrate 6M -bufsize 12M -force_key_frames 'expr:gte(t,n_forced*2)' -movflags faststart -c:a copy -tune zerolatency -pass 1 -f mp4 "$video" &&
/usr/bin/ffmpeg -y -i "$file" -c:v libx264 -x264opts no-scenecut -b:v 6M -maxrate 6M -bufsize 12M -force_key_frames 'expr:gte(t,n_forced*2)' -movflags faststart -c:a copy -tune zerolatency -pass 2 -f mp4 "$video" ||
cd $(mktemp -d) # for the pass-1 logfile
ffmpeg -y -i "$file" -c:v libx264 -x264opts no-scenecut -b:v 6M -maxrate 6M -bufsize 12M -force_key_frames 'expr:gte(t,n_forced*2)' -movflags faststart -c:a copy -tune zerolatency -pass 1 -passlogfile "$file" -f mp4 "$video" &&
ffmpeg -y -i "$file" -c:v libx264 -x264opts no-scenecut -b:v 6M -maxrate 6M -bufsize 12M -force_key_frames 'expr:gte(t,n_forced*2)' -movflags faststart -c:a copy -tune zerolatency -pass 2 -passlogfile "$file" -f mp4 "$video" ||
error=1
# Remove logfiles
rm "$file-*"
finish=$(date +'%Y-%m-%d at %H:%M:%S')
((error)) && Mail 2 "Error encoding $name"
# Schedule cron job
m=${date:13:2} m=${m#0} h=${date:11:2} h=${h#0}
D=${date:8:2} D=${D#0} M=${date:5:2} M=${M#0}
/usr/bin/crontab -l ||
echo -e "# m h dom mon dow command\n" |/usr/bin/crontab -
crontab -l || echo -e "# m h dom mon dow command\n" |crontab -
line="$m $h $D $M "'*'" $repopath/stream '$name'"
echo -e "$(/usr/bin/crontab -l)\n$line" |/usr/bin/crontab -
echo -e "$(crontab -l)\n$line" |crontab -
Mail 0 "crontab: '$line'"

6
stream
View File

@ -2,12 +2,12 @@
# stream - Stream video when called from crontab
# Usage: stream <tag>
# The tag refers to video files in $repopath/uploadpage/streams without the
# The tag refers to video files in ./uploadpage/streams without the
# '.mp4', that should have been re-encoded by `encode`. The tag has no path
# information, has the "streamkey" at the start before the first dot (there
# has to be a dot!) and the "target" at the very end, after the last '@'.
_=$(realpath -- "${BASH_SOURCE:-$0}") repopath=${_%/*}
_=$(readlink -f -- "${BASH_SOURCE:-$0}") repopath=${_%/*}
log=$repopath/process.log
in=$repopath/uploadpage/streams/$1.mp4 key=${1%%.*} target=${1##*@}
case $target in
@ -17,5 +17,5 @@ RestreamSG) rtmp=rtmp://singapore.restream.io/live/$key ;;
*) rtmp=rtmp://live.restream.io/live/$key
esac
/usr/bin/ffmpeg -re -y -i $in -c:v copy -c:a copy -f flv "$rtmp" ||
ffmpeg -re -y -i $in -c:v copy -c:a copy -f flv "$rtmp" ||
echo "Error while streaming $1" >>"$log"