diff --git a/atom b/atom
index 671ca4e..b88bc65 100755
--- a/atom
+++ b/atom
@@ -64,6 +64,7 @@ help() {
 	        -c <file>        Load configuration file <file>
 	        -C               Dump configuration and exit
 	        -l <load>        Override max-load
+		-f <workers>     Use exactly <workers> child processes
 	        -T <seconds>     override load-interval
 	        -F <destination> Force re-generation of all files in
 	                         <destination>
@@ -77,7 +78,7 @@ help() {
 
 #parse arguments
 OPTERR=0
-while getopts ':c:Cl:T:F:B:ShDq' opt
+while getopts ':c:Cl:T:F:f:B:ShDq' opt
 do
 	case $opt in
 		c)
@@ -95,6 +96,9 @@ do
 		F)
 			forceall+=("$OPTARG")
 		;;
+		f)
+			fixed_workers="$OPTARG"
+		;;
 		B)
 			maxbatch="$OPTARG"
 		;;
@@ -349,6 +353,7 @@ updateMimes
 
 removeObsoleteFiles
 
+(( cron )) || echo -n 'Gathering files for cleaning...'
 echo '
 	SELECT	COUNT(id)
 	FROM	destination_files
@@ -396,7 +401,7 @@ do
 	then
 		echo 'COMMIT;BEGIN TRANSACTION;' >&3
 	fi
-	(( cron )) || echo -en "\rClean obsolete data: $(((deleted+removed)*100/removecount))%"
+	(( cron )) || echo -en "\rClean obsolete data: $(((deleted+removed)*100/removecount))%\033[K"
 done
 echo 'COMMIT;' >&3
 (( cron )) || echo -n $'\r'
@@ -692,23 +697,35 @@ starttime=$concurrencychange
 taskcount=$count
 remaining=$taskcount
 failed=0
+echo 'BEGIN TRANSACTION;' >&3
+committime=$(date +%s)
 while (( (remaining || ${#workers[@]}) && ! quit ))
 do
+	if (( $(date +%s) - committime >= 60 ))
+	then
+		echo $'COMMIT;\nBEGIN TRANSACTION;' >&3
+		committime=$(date +%s)
+	fi
 	read humanload garbage < /proc/loadavg
 	load=${humanload%.*}
-	if [ -z "$quit" ]					\
-	&& (( ! pause ))					\
-	&& (( $(date +%s)-concurrencychange >= loadinterval ))
+	if (( fixed_workers ))
 	then
-		if (( concurrency > 1 ))	\
-		&& (( load > maxload ))
+		concurrency="$fixed_workers"
+	else
+		if [ -z "$quit" ]					\
+		&& (( ! pause ))					\
+		&& (( $(date +%s)-concurrencychange >= loadinterval ))
 		then
-			concurrencychange=$(date +%s)
-			(( --concurrency ))
-		elif (( load < maxload )) && (( active > concurrency - 1 ))
-		then
-			concurrencychange=$(date +%s)
-			(( ++concurrency ))
+			if (( concurrency > 1 ))	\
+			&& (( load > maxload ))
+			then
+				concurrencychange=$(date +%s)
+				(( --concurrency ))
+			elif (( load < maxload )) && (( active > concurrency - 1 ))
+			then
+				concurrencychange=$(date +%s)
+				(( ++concurrency ))
+			fi
 		fi
 	fi
 	checkworkers
@@ -789,6 +806,7 @@ do
 		fi
 	fi
 done
+echo 'COMMIT;' >&3
 unset count
 
 endtime=$(date +%s)
diff --git a/lib/encode/opus b/lib/encode/opus
index 2c25f9a..2994190 100644
--- a/lib/encode/opus
+++ b/lib/encode/opus
@@ -22,7 +22,7 @@ encodeFile::opus() {
 			requires	${soxtaskid:-$decodetaskid}
 			required	${soxtaskid:-$decodetaskid}
 			fileid		$destfileid
-			filename	$destdir/$destfile.ogg
+			filename	$destdir/$destfile.opus
 			$(
 				for key in ${!opusencopts[@]}
 				do
diff --git a/lib/files/getFiles b/lib/files/getFiles
index 51feaf3..8e9daf5 100644
--- a/lib/files/getFiles
+++ b/lib/files/getFiles
@@ -3,7 +3,7 @@ getFiles() {
 	scantime=$(date +%s)
 	for prune_expression in "${skippeddirectories[@]}"
 	do
-		prunes+="-path $sourcepath$prune_expression -prune -o "
+		prunes+=( -path "$sourcepath$prune_expression" -prune -o )
 	done
 	(( cron )) || echo -n "Scanning $sourcepath...  "
 	# We probably have thousands of files, don't waste time on disk writes
@@ -56,10 +56,10 @@ getFiles() {
 		fi
 		progressSpin
 	done < <(
-		find "$sourcepath" $prunes -type f -printf "%T@ %s %P\n"
+		find "$sourcepath" "${prunes[@]}" -type f -not -name '.*' -printf "%T@ %s %P\n"
 	)
 	echo 'COMMIT;' >&3
 	(( cron )) || echo -n $'\r'
-	echo "${count:-0} files found, ${new:=0} new or changed."
+	echo "${count:-0} files found, ${new:=0} new or changed."$'\033[K'
 	unset count
 }
diff --git a/lib/tags/ffmpeg b/lib/tags/ffmpeg
index da91fbc..0e75477 100644
--- a/lib/tags/ffmpeg
+++ b/lib/tags/ffmpeg
@@ -1,5 +1,5 @@
 #!/bin/bash
-getInfosffmpeg_version='ffmpeg-5'
+getInfosffmpeg_version='ffmpeg-6'
 tagreaders+=( "$getInfosffmpeg_version" )
 getInfos::ffmpeg() {
 	tagreader="$getInfosffmpeg_version"
@@ -8,7 +8,8 @@ getInfos::ffmpeg() {
 			-i "$sourcepath/$filename" 2>&1	\
 		|sed '
 			/^Input/,/.* Audio: /{s/ *: */=/}
-			s/^[[:space:]]*//'
+			s/^[[:space:]]*//
+			s/\0//g'
 	)
 	local metadata=$(
 		echo -e "$allinfos"			\
diff --git a/lib/tools/progressSpin b/lib/tools/progressSpin
index 40dbb52..3696ece 100644
--- a/lib/tools/progressSpin
+++ b/lib/tools/progressSpin
@@ -11,5 +11,15 @@ progressSpin() {
 			30) echo -n $'\b\\' ;;
 			*) ;;
 		esac
+		if ! (( count % 100 ))
+		then
+			echo -n " $count"
+			until (( backspace > ${#count} ))
+			do
+				(( backspace++ ))
+				echo -n $'\b'
+			done
+			unset backspace
+		fi
 	fi
 }