From 8479b1702ef482519fa8587894e4d73ab517eb57 Mon Sep 17 00:00:00 2001
From: Ke Wang <453587854@qq.com>
Date: Mon, 15 May 2017 08:54:35 +0800
Subject: [PATCH] Prevent ffmpeg from showing "Enter command: <target>|all
 <time>|-1 <command>[ <argument>]" in bash

---
 AAXtoMP3.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/AAXtoMP3.sh b/AAXtoMP3.sh
index 2caf13f..f482b51 100755
--- a/AAXtoMP3.sh
+++ b/AAXtoMP3.sh
@@ -71,7 +71,7 @@ do
     mkdir -p "${output_directory}"
     full_file_path="${output_directory}/${title}.${extension}"
 
-    ffmpeg -loglevel error -stats -activation_bytes "${auth_code}" -i "${path}" -vn -codec:a "${codec}" -ab "$(get_bitrate)k" -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="$(get_metadata_value album_artist)" -metadata album="$(get_metadata_value album)" -metadata date="$(get_metadata_value date)" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="$(get_metadata_value copyright)" "${full_file_path}"
+    </dev/null ffmpeg -loglevel error -stats -activation_bytes "${auth_code}" -i "${path}" -vn -codec:a "${codec}" -ab "$(get_bitrate)k" -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="$(get_metadata_value album_artist)" -metadata album="$(get_metadata_value album)" -metadata date="$(get_metadata_value date)" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="$(get_metadata_value copyright)" "${full_file_path}"
 
     debug "Created ${full_file_path}."
 
@@ -85,7 +85,7 @@ do
                 read -r -u9 _
                 read -r -u9 _ _ chapter
                 chapter_file="${output_directory}/${title} - ${chapter}.${extension}"
-                ffmpeg -loglevel error -stats -i "${full_file_path}" -ss "${start%?}" -to "${end}" -codec:a copy -metadata track="${chapter}" "${chapter_file}"
+                </dev/null ffmpeg -loglevel error -stats -i "${full_file_path}" -ss "${start%?}" -to "${end}" -codec:a copy -metadata track="${chapter}" "${chapter_file}"
             fi
         done 9< "$metadata_file"
         rm "${full_file_path}"
@@ -94,7 +94,7 @@ do
 
     cover_path="${output_directory}/cover.jpg"
     debug "Extracting cover into ${cover_path}..."
-    ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${path}" -an -codec:v copy "${cover_path}"
+    </dev/null ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${path}" -an -codec:v copy "${cover_path}"
     debug "Done."
     rm "${metadata_file}"
 done