129 lines
3.5 KiB
Bash
129 lines
3.5 KiB
Bash
#!/bin/bash
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set -euo pipefail
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# change into music raw folder
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cd "$HOME/MusikRaw"
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# number of parallel jobs can be set on as an argument
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numjobs="$1"
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# using find to get music that has to be transcoded
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############################################################
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##############################
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##### OPUS #####
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##############################
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# find opus, ignore anything in "normalized" or "transcode" folders
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find "$HOME/MusikRaw/" -name "*\.opus" | grep -v "\/normalized\/" | grep -v "\/transcode\/" > opusfiles
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while read -r opus; do
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# if there are $numjobs or more, dont spawn any new processes
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while [[ $(jobs | wc -l) -gt $numjobs ]] ; do sleep 1 ; done
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# get directory path
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pathname="$(dirname "$opus")"
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# go to that path for proper output location
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cd "$pathname"
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# convert file
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ffmpeg-normalize "$opus" -v -pr -c:a libopus -b:a 128k -ext opus &
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done < opusfiles
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# go to musik raw folder
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cd "$HOME/MusikRaw"
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# cleanup
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rm opusfiles
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##############################
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##### M4A #####
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##############################
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# find m4a files, ignore "normalized" or "transcode" folders
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find "$HOME/MusikRaw/" -name "*\.m4a" | grep -v "\/normalized\/" | grep -v "\/transcode\/" > m4afiles
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while read -r m4a; do
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# if there are $numjobs or more, dont spawn any new processes
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while [[ $(jobs | wc -l) -gt $numjobs ]] ; do sleep 1 ; done
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# get directory path
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pathname="$(dirname "$m4a")"
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# go to that path for proper output location
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cd "$pathname"
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# convert file
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ffmpeg-normalize "$m4a" -v -pr -c:a libopus -b:a 128k -ext opus &
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done < m4afiles
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# go to musik raw folder
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cd "$HOME/MusikRaw"
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# cleanup
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rm m4afiles
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##############################
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##### FLAC #####
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##############################
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# find flac files, ignore "normalized" or "transcode" folders
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find "$HOME/MusikRaw/" -name "*\.flac" | grep -v "\/normalized\/" | grep -v "\/transcode\/" > flacfiles
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while read -r flac; do
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# if there are $numjobs or more, dont spawn any new processes
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while [[ $(jobs | wc -l) -gt $numjobs ]] ; do sleep 1 ; done
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# get directory path
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pathname="$(dirname "$flac")"
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# go to that path for proper output location
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cd "$pathname"
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# create directory for transcodes
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mkdir -p "$pathname/transcode"
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# get name of file
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file="$(basename "$flac")"
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# strip extension
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noextfile="${file%.*}"
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# add opus extension
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opusfile="${noextfile}.opus"
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# convert to opus in transcode directory
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# TODO include cover picture (prefer file picture, cover.jpg second preference)
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ffmpeg -nostdin -i "$flac" -b:a 256k "${pathname}/transcode/$opusfile" &
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done < flacfiles
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# wait for previous jobs to finish
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while [[ $(jobs | wc -l) -gt 1 ]] ; do sleep 1 ; done
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cd "$HOME/MusikRaw"
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# convert previously transcoded flacs
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while read -r flac; do
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# if there are $numjobs or more, dont spawn any new processes
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while [[ $(jobs | wc -l) -gt $numjobs ]] ; do sleep 1 ; done
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# get directory path
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pathname="$(dirname "$flac")"
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# go to that path for proper output location
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cd "$pathname"
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# get name of file
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file="$(basename "$flac")"
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# strip extension
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noextfile="${file%.*}"
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# add opus extension
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opusfile="${noextfile}.opus"
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# convert opus in transcode to normalized
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ffmpeg-normalize "transcode/$opusfile" -v -pr -c:a libopus -b:a 256k -ext opus &
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done < flacfiles
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# go to musik raw folder
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cd "$HOME/MusikRaw"
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# cleanup
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rm flacfiles
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############################################################
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echo Finished!
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exit
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