fix: encodeFile::opus: fix file extension (.opus, not .ogg)

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

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"			\