94 lines
3.5 KiB
Bash
94 lines
3.5 KiB
Bash
#!/bin/bash
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# CUE-sheet generator for youtube-dl
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# Usage:
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# 0. Install 'jq' utility
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# 1. Download any audio file with metadata from YouTube or Youtube Music, e.g.
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# $ youtube-dl \
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# --extract-audio \
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# --audio-format flac \
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# --audio-quality 0 \
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# --format bestaudio \
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# --write-info-json \
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# --output "/tmp/ytm/%(playlist_title)s/%(channel)s - %(title)s.%(ext)s" \
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# https://www.youtube.com/watch?v=lVpDQnXz34M
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#
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# If audio file is already downloaded earlier then just fetch only its metadata:
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# $ youtube-dl \
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# --write-info-json \
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# --skip-download \
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# --output "/tmp/ytm/%(playlist_title)s/%(channel)s - %(title)s.%(ext)s" \
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# https://www.youtube.com/watch?v=lVpDQnXz34M
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#
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# 2. Audio and metadata files MUST be named exactly similar (except extenstion),
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# but it is not necessary to keep original names. Also they MUST be placed in
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# the same directory. Example:
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# /tmp/ytm/ABGT496.flac
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# /tmp/ytm/ABGT496.info.json
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#
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# 3. To create CUE file run ytdlcue with a path to audio file:
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# $ ytdlcue.sh /tmp/ytm/ABGT496.flac
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#
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# A new file will be created in the same directory:
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# /tmp/ytm/ABGT496.cue
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installed() {
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command -v "$1" >/dev/null 2>&1
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}
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! installed 'jq' && {
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echo "ERROR: you need to install jq!"
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exit 1
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}
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audio_path="$1" # path to audiofile
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audio_file=`basename "$audio_path"` # audiofile name with extension
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audio_name=${audio_file%.*} # audiofile name without extension
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audio_ext=${audio_file##*.} # audiofile name extension
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path="`dirname "$audio_path"`/$audio_name" # path to audiofile and its name without ext
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json_path="$path.info.json" # path to json file with metadata created by youtube-dl
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cue_path="$path.cue" # path to cue sheet to be generated
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# echo -e "audio_path:\t$audio_path"
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# echo -e "audio_file:\t$audio_file"
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# echo -e "audio_name:\t$audio_name"
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# echo -e "audio_ext:\t$audio_ext"
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# echo -e "path:\t\t$path"
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# echo -e "json_path:\t$json_path"
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# echo -e "cue_path:\t$cue_path"
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[ ! -f "$audio_path" ] && {
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echo "ERROR: File not found: $audio_path"
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exit 2
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}
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[ ! -f "$json_path" ] && {
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echo "ERROR: File not found: $json_path"
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exit 3
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}
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echo "PERFORMER `cat "$json_path" | jq -Mc '.channel'`" > "$cue_path"
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echo "TITLE `cat "$json_path" | jq -Mc '.title'`" >> "$cue_path"
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echo "FILE \"$audio_file\" ${audio_ext^^}" >> "$cue_path"
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counter=1 # track counter (works only inside loop!)
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cat "$json_path" | jq -Mc '.chapters[]' \
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| while read chapter; do
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number=`printf %0.2d $counter` # pad current counter with zeros
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time=`echo "$chapter" | jq -Mc '.start_time'` # get initial start time in seconds
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time=`printf '%0.2d:%0.2d:00' $((time/60)) $((time%60))` # convert start time to minutes:seconds
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title=`echo "$chapter" | jq -Mc '.title' | sed -r "s#[\"]##g"` # get initial chapter title
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performer=`echo "$title" | cut -d "-" -f 1 | sed 's#^[[:space:]]*##g' | sed 's# *$##g'` # get and trim chapter's performer (before '-')
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title2=`echo "$title" | cut -d "-" -f 2 | sed 's#^[[:space:]]*##g' | sed 's# *$##g'` # get and trim chapter's title (after '-')
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#TODO: what if dash is not delimiter between performer and title?
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#TODO: take $title2 if $performer and (or?) $title2 are empty
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printf "%-2sTRACK $number AUDIO\n" >> "$cue_path"
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printf "%-4sPERFORMER \"$performer\"\n" >> "$cue_path"
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printf "%-4sTITLE \"$title2\"\n" >> "$cue_path"
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printf "%-4sINDEX 01 $time\n" >> "$cue_path"
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counter=`expr $counter + 1` # increase counter
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done
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echo "Done! Cue file:"
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echo "$cue_path"
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