fix(user/mp4_make480.sh):Use default audio conversion

diff --git a/user/mp4_make480.sh b/user/mp4_make480.sh
index e460449bc65a3aa0ad7dab7ca27053aedecbdbcf..8799a2e08c1f3e0dba1cd13d1c4f3f79a72f4502 100644 (file)
--- a/user/mp4_make480.sh
+++ b/user/mp4_make480.sh
@@ -5,7 +5,7 @@
 #        arg2  dir  output dir (optional)
 # Output: dir   ./out/
 #         file  ./out/[files]_480.mp4
-# Version: 0.1.1
+# Version: 0.1.2
 # Depends: GNU parallel 20161222, ffmpeg 4.3.6-0
 # Ref/Attrb: [1]: FFmpeg wiki: https://trac.ffmpeg.org/wiki/Scaling
 declare -g dir_in dir_out;
@@ -34,7 +34,7 @@ job_ffmpeg() {
     path_out=./"$dir_out"/"${file_in%.mp4}"_480.mp4;
     opt_scale="scale=-2:480";  # See [1]
     declare -p path_in path_out file_in dir_out path_out opt_scale;
-    ffmpeg -nostdin -i "$path_in" -vf "$opt_scale" -c:a copy "$path_out" 1>/dev/random 2>&1;
+    ffmpeg -nostdin -i "$path_in" -vf "$opt_scale" "$path_out";
 };
 export -f job_ffmpeg;