Improve performance by using only one script file
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422c173c0b
commit
a614120961
144
transcode.sh
144
transcode.sh
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@ -5,7 +5,145 @@ input_directory=/data/music
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tmp_directory=/data/tmp/transcode
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lock_file=/tmp/music-transcode.lock
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__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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function transcode_to_mp3()
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{
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input_file="$1"
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output_directory="$2"
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output_file="`echo "$input_file" | sed -E "s#^$input_directory(.+)\\.[a-z0-9]+\\$#$output_directory\\1.mp3#g"`"
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directory="`dirname "$output_file"`"
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if [ ! -d "$directory" ] ; then
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echo "New Directory: \"$directory\""
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mkdir -p "$directory" || { echo "Could not create directory \"$directory\"." ; return 1 ; }
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fi
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transcode=false
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if [ ! -f "$output_file" ] ; then
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echo "New MP3: \"$output_file\""
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transcode=true
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elif [ "$input_file" -nt "$output_file" ] ; then
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echo "Input file is newer: \"$output_file\""
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transcode=true
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fi
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if [ "$transcode" = true ] ; then
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input_type="`file -b --mime-type "$input_file"`"
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case "$input_type" in
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audio/flac)
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tmp_file="$tmp_directory/`basename "$output_file"`"
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echo "Transcoding MP3..."
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ffmpeg -hide_banner -loglevel fatal -i "$input_file" -y -b:a 320k -qscale:a 2 -id3v2_version 3 -f mp3 "$tmp_file" || { echo "Failed to transcode to \"$tmp_file\"." ; return 1 ; }
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mv -f "$tmp_file" "$output_file" || { echo "Could not move file to \"$output_file\"." ; return 1 ; }
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;;
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application/octet-stream)
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echo "Warning: Assuming \"$input_file\" is a MP3 file."
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;&
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audio/mpeg)
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echo "Copying MP3..."
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cp -f "$input_file" "$output_file"
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;;
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*)
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echo "Unsupported input type $input_type (\"$input_file\")"
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return 1
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;;
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esac
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fi
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}
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function ogg_add_cover()
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{
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ogg_file="$1"
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cover_file="$2"
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tmp_metafile="$tmp_directory/metadata"
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tmp_mdimg="$tmp_directory/image-with-header"
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cover_mime_type="`file -b --mime-type "$cover_file"`"
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description=""
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vorbiscomment --list --raw "$ogg_file" > "$tmp_metafile" && \
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sed -i -e '/^metadata_block_picture/d' "$tmp_metafile" && \
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echo -n "" > "$tmp_mdimg" && \
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printf "0: %.8x" 3 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" $(echo -n "$cover_mime_type" | wc -c) | xxd -r -g0 >> "$tmp_mdimg" && \
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echo -n "$cover_mime_type" >> "$tmp_mdimg" && \
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printf "0: %.8x" $(echo -n "$description" | wc -c) | xxd -r -g0 >> "$tmp_mdimg" && \
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echo -n "$description" >> "$tmp_mdimg" && \
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printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" $(wc -c "$cover_file" | cut --delimiter=' ' --fields=1) | xxd -r -g0 >> "$tmp_mdimg" && \
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cat "$tmp_cover" >> "$tmp_mdimg" && \
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echo "metadata_block_picture=$(base64 --wrap=0 < "$tmp_mdimg")" >> "$tmp_metafile" && \
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vorbiscomment --write --raw --commentfile "$tmp_metafile" "$ogg_file" && \
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rm "$tmp_metafile" "$tmp_mdimg"
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}
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function transcode_to_ogg()
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{
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input_file="$1"
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output_directory="$2"
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output_file="`echo "$input_file" | sed -E "s#^$input_directory(.+)\\.[a-z0-9]+\\$#$output_directory\\1.ogg#g"`"
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directory="`dirname "$output_file"`"
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if [ ! -d "$directory" ] ; then
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echo "New Directory: \"$directory\""
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mkdir -p "$directory" || { echo "Could not create directory \"$directory\"." ; return 1 ; }
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fi
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transcode=false
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if [ ! -f "$output_file" ] ; then
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echo "New OGG: \"$output_file\""
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transcode=true
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elif [ "$input_file" -nt "$output_file" ] ; then
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echo "Input file is newer: \"$output_file\""
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transcode=true
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fi
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if [ "$transcode" = true ] ; then
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input_type="`file -b --mime-type "$input_file"`"
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tmp_ogg="$tmp_directory/`basename "$output_file"`"
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tmp_cover="$tmp_directory/cover"
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case "$input_type" in
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audio/flac)
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echo "Transcoding OGG..."
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ffmpeg -hide_banner -loglevel fatal -i "$input_file" -y -map a -qscale:a 6 -id3v2_version 3 -f ogg "$tmp_ogg" || { echo "Could not transcode to \"$tmp_ogg\"." ; return 1 ; }
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echo "Adding OGG cover image..."
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metaflac --export-picture-to="$tmp_cover" "$input_file" && \
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ogg_add_cover "$tmp_ogg" "$tmp_cover" || { echo "Could not add cover image to \"$tmp_ogg\"." ; return 1 ; }
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mv -f "$tmp_ogg" "$output_file" || { echo "Could not move file to \"$output_file\"." ; return 1 ; }
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;;
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application/octet-stream)
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echo "Warning: Assuming \"$input_file\" is a MP3 file."
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;&
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audio/mpeg)
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echo "Transcoding OGG..."
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ffmpeg -hide_banner -loglevel fatal -i "$input_file" -y -map a -qscale:a 6 -id3v2_version 3 -f ogg "$tmp_ogg" || die "Could not transcode to \"$tmp_ogg\"."
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echo "Adding OGG cover image..."
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exiftool -Picture -b "$input_file" > "$tmp_cover" && \
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ogg_add_cover "$tmp_ogg" "$tmp_cover" || { echo "Could not add cover image to \"$tmp_ogg\"." ; return 1 ; }
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mv -f "$tmp_ogg" "$output_file" || { echo "Could not move file to \"$output_file\"." ; return 1 ; }
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;;
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*)
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echo "Unsupported input type $input_type (\"$input_file\")"
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return 1
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;;
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esac
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fi
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}
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function die()
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{
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@ -36,8 +174,8 @@ fi
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SAVEIFS=$IFS
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IFS=`echo -ne "\n\b"`
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for file in `find "$input_directory" -name '*.flac' -or -name '*.mp3' | sort`; do
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bash ${__dir}/transcode_to_mp3.sh "$file" "$input_directory" "/data/mp3" || break
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bash ${__dir}/transcode_to_ogg.sh "$file" "$input_directory" "/data/ogg" || break
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transcode_to_mp3 "$file" "/data/mp3" || break
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transcode_to_ogg "$file" "/data/ogg" || break
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done
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echo "Done Transcoding."
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@ -1,53 +0,0 @@
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#!/bin/bash
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function die()
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{
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printf '%s\n' "$1" >&2
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exit "${2-1}"
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}
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input_file="$1"
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input_directory="$2"
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output_directory="$3"
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tmp_directory=/data/tmp/transcode
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output_file="`echo "$input_file" | sed -E "s#^$input_directory(.+)\\.[a-z0-9]+\\$#$output_directory\\1.mp3#g"`"
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directory="`dirname "$output_file"`"
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if [ ! -d "$directory" ] ; then
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echo "New Directory: \"$directory\""
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mkdir -p "$directory" || die "Could not create directory \"$directory\"."
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fi
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transcode=false
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if [ ! -f "$output_file" ] ; then
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echo "New MP3: \"$output_file\""
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transcode=true
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elif [ "$input_file" -nt "$output_file" ] ; then
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echo "Input file is newer: \"$output_file\""
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transcode=true
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fi
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if [ "$transcode" = true ] ; then
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input_type="`file -b --mime-type "$input_file"`"
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case "$input_type" in
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audio/flac)
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tmp_file="$tmp_directory/`basename "$output_file"`"
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echo "Transcoding MP3..."
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ffmpeg -hide_banner -loglevel fatal -i "$input_file" -y -b:a 320k -qscale:a 2 -id3v2_version 3 -f mp3 "$tmp_file" || die "Failed to transcode to \"$tmp_file\"."
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mv -f "$tmp_file" "$output_file" || die "Could not move file to \"$output_file\"."
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;;
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application/octet-stream)
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echo "Warning: Assuming \"$input_file\" is a MP3 file."
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;&
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audio/mpeg)
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echo "Copying MP3..."
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cp -f "$input_file" "$output_file"
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;;
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*)
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die "Unsupported input type $input_type (\"$input_file\")"
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;;
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esac
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fi
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@ -1,97 +0,0 @@
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#!/bin/bash
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function die()
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{
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printf '%s\n' "$1" >&2
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exit "${2-1}"
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}
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function ogg_add_cover()
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{
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ogg_file="$1"
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cover_file="$2"
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tmp_metafile="$tmp_directory/metadata"
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tmp_mdimg="$tmp_directory/image-with-header"
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cover_mime_type="`file -b --mime-type "$cover_file"`"
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description=""
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vorbiscomment --list --raw "$ogg_file" > "$tmp_metafile" && \
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sed -i -e '/^metadata_block_picture/d' "$tmp_metafile" && \
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echo -n "" > "$tmp_mdimg" && \
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printf "0: %.8x" 3 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" $(echo -n "$cover_mime_type" | wc -c) | xxd -r -g0 >> "$tmp_mdimg" && \
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echo -n "$cover_mime_type" >> "$tmp_mdimg" && \
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printf "0: %.8x" $(echo -n "$description" | wc -c) | xxd -r -g0 >> "$tmp_mdimg" && \
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echo -n "$description" >> "$tmp_mdimg" && \
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printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
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printf "0: %.8x" $(wc -c "$cover_file" | cut --delimiter=' ' --fields=1) | xxd -r -g0 >> "$tmp_mdimg" && \
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cat "$tmp_cover" >> "$tmp_mdimg" && \
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echo "metadata_block_picture=$(base64 --wrap=0 < "$tmp_mdimg")" >> "$tmp_metafile" && \
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vorbiscomment --write --raw --commentfile "$tmp_metafile" "$ogg_file" && \
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rm "$tmp_metafile" "$tmp_mdimg"
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}
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input_file="$1"
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input_directory="$2"
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output_directory="$3"
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tmp_directory=/data/tmp/transcode
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output_file="`echo "$input_file" | sed -E "s#^$input_directory(.+)\\.[a-z0-9]+\\$#$output_directory\\1.ogg#g"`"
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directory="`dirname "$output_file"`"
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if [ ! -d "$directory" ] ; then
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echo "New Directory: \"$directory\""
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mkdir -p "$directory" || die "Could not create directory \"$directory\"."
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fi
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transcode=false
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if [ ! -f "$output_file" ] ; then
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echo "New OGG: \"$output_file\""
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transcode=true
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elif [ "$input_file" -nt "$output_file" ] ; then
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echo "Input file is newer: \"$output_file\""
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transcode=true
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fi
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if [ "$transcode" = true ] ; then
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input_type="`file -b --mime-type "$input_file"`"
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tmp_ogg="$tmp_directory/`basename "$output_file"`"
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tmp_cover="$tmp_directory/cover"
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case "$input_type" in
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audio/flac)
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echo "Transcoding OGG..."
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ffmpeg -hide_banner -loglevel fatal -i "$input_file" -y -map a -qscale:a 6 -id3v2_version 3 -f ogg "$tmp_ogg" || die "Could not transcode to \"$tmp_ogg\"."
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echo "Adding OGG cover image..."
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metaflac --export-picture-to="$tmp_cover" "$input_file" && \
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ogg_add_cover "$tmp_ogg" "$tmp_cover" || die "Could not add cover image to \"$tmp_ogg\"."
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mv -f "$tmp_ogg" "$output_file" || die "Could not move file to \"$output_file\"."
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;;
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application/octet-stream)
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echo "Warning: Assuming \"$input_file\" is a MP3 file."
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;&
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audio/mpeg)
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echo "Transcoding OGG..."
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ffmpeg -hide_banner -loglevel fatal -i "$input_file" -y -map a -qscale:a 6 -id3v2_version 3 -f ogg "$tmp_ogg" || die "Could not transcode to \"$tmp_ogg\"."
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echo "Adding OGG cover image..."
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exiftool -Picture -b "$input_file" > "$tmp_cover" && \
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ogg_add_cover "$tmp_ogg" "$tmp_cover" || die "Could not add cover image to \"$tmp_ogg\"."
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mv -f "$tmp_ogg" "$output_file" || die "Could not move file to \"$output_file\"."
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;;
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*)
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die "Unsupported input type $input_type (\"$input_file\")"
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;;
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esac
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fi
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