Make sure MP4 files are stream-able

audible-strip-drm

@@ -9,11 +9,15 @@ IFS=$'\n\t'
 # So once you have it, you can save it and then re-use it for instant future decryption using ffmpeg.
 
 # This gets it from my password manager
-gettoken Keys/AUDIBLE_ACTIVATION_BYTES
+export AUDIBLE_ACTIVATION_BYTES=$(pass show Keys/AUDIBLE_ACTIVATION_BYTES)
+
 for i in *.aax; do
 	m4a_file="${i%%.*}.m4a"
 	if [ ! -e "$m4a_file" ]; then
-		ffmpeg -loglevel panic -y -activation_bytes ${AUDIBLE_ACTIVATION_BYTES} -i "$i" -c:a copy -vn "$m4a_file"
+		ffmpeg -loglevel panic -y -activation_bytes ${AUDIBLE_ACTIVATION_BYTES} -i "$i" -c:a copy -movflags +faststart -vn "$m4a_file"
+		# See https://github.com/captn3m0/Scripts/blob/master/fix-audible-m4a for this script
+		# Dependencies are: bento4 (https://aur.archlinux.org/packages/bento4/)
+		# bash, and sed
 		fix-audible-m4a "$m4a_file"
 	fi
 done

fix-audible-m4a

@@ -12,7 +12,6 @@ mp4extract-bento4 moov/trak/mdia/minf/stbl/stsd/mp4a/esds \
 magic=$(sed -re 's/^.*0580808002(....).*$/\1/' $t)
 
 if [ "$magic" != "1212" ]; then
-    echo "no need to fix"
     rm "$t"
     exit 0
 fi

split-audio-by-chapters

@@ -55,7 +55,9 @@ while read -r first _ _ start _ end; do
     # -vn = no video stream
     # -metadata title= put in a chapter title
     # -acodec copy = copy the audio stream
+    # +faststart = Relocating this moov atom to the beginning of the file can facilitate playback before the file is completely downloaded by the client. 
     ffmpeg -hide_banner -loglevel panic \
+      -movflags +faststart \
       -vsync 2 -sn -dn -vn -i "$1" -ss "${start%?}" -to "$end" -metadata title="$CHAPTER_TITLE" -dn -vn -sn -acodec copy "$FILENAME" </dev/null
 
     ((CHAPTER_INDEX++))