From 0d56c61781f9fe021e0f7a57e49dd4d5a60e2b9f Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Sat, 4 Jun 2022 20:55:44 +0200
Subject: [PATCH] change: fix and parallel flac replay gain apply

---
 albentohandy | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/albentohandy b/albentohandy
index cedc7b8..c27aff8 100755
--- a/albentohandy
+++ b/albentohandy
@@ -142,18 +142,35 @@ ConvertFlacToOpus()
 		| parallel --will-cite --ungroup --eta --progress FlacToOpus {}
 }
 
+ReEncodeFlac()
+{
+	local readonly INPUTFILE="$1"
+
+	metaflac --export-tags-to=- $INPUTFILE \
+		| sed '/REPLAYGAIN/d' > $INPUTFILE-meta
+
+	nice --adjustment=10 flac --totally-silent --stdout --decode \
+		$replaygainapply $INPUTFILE \
+		| flac --silent --output-name=$INPUTFILE-tmp -
+
+	metaflac --import-tags-from=$INPUTFILE-meta $INPUTFILE-tmp
+
+	rm $INPUTFILE-meta
+	mv $INPUTFILE-tmp $INPUTFILE
+}
+
 FlacApplyReplayGain()
 {
 	local readonly WORKDIR="$1"
 
 	if [ -n "$replaygainapply" ]; then
-		for i in $(find $WORKDIR -name '*.flac' | sort); do
-			nice --adjustment=10 flac --totally-silent \
-				$replaygainapply --output-name=$i-tmp $i
-			metaflac --remove-replay-gain $i-tmp
-			mv $i-tmp $i
-		done
+		declare -xf ReEncodeFlac
+		find $WORKDIR -name *.flac \
+			| sort \
+			| parallel --will-cite --ungroup --eta --progress \
+			ReEncodeFlac {}
 	fi
+
 }
 
 PictureToFlac()
-- 
2.47.3