fix utf-8 tags
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75D6600BEF4E8E8F
12
encode_all
12
encode_all
@ -144,10 +144,18 @@ function encode() {
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'--tracknumber' "${tags['TRACKNUMBER']}"
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'--date' "${album_date}")
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[[ -n "${tags[DISK]}" ]] && tag_flags+=('--comment' "DISK=${tags['DISK']}")
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tags=''
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for tag in "${tag_flags[@]}"; do
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tags+="$(printf '"%s" ' "$tag")"
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done
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if [[ "$debug_only" == 'false' ]]; then
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err="$(opusenc --quiet --discard-comments --discard-pictures "${tag_flags[@]}" "$file" "$final_opus" 2>&1)"
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# err="$(opusenc --quiet --discard-comments --discard-pictures "${tag_flags[@]}" "$file" "$final_opus" 2>&1)"
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cmd=$(printf 'opusenc --quiet --discard-comments --discard-pictures %s "%s" "%s"\n' "$tags" "$file" "$final_opus")
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printf '%s\n' "$cmd"
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eval $cmd
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else
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echo opusenc --quiet --discard-comments --discard-pictures "${tag_flags[@]}" "$file" "$final_opus"
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cmd=$(printf 'opusenc --quiet --discard-comments --discard-pictures %s "%s" "%s"\n' "$tags" "$file" "$final_opus")
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printf '%s\n' "$cmd"
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fi
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if [[ -n "$err" ]]; then
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printf '%s\n' "$err" >> "$log"
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90
encode_dir
Executable file
90
encode_dir
Executable file
@ -0,0 +1,90 @@
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#!/bin/bash
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# encode_all encodes the whole library into specified format
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#
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ulimit -n "$(ulimit -Hn)"
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. env_parallel.bash
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function ts() {
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date '+%Y-%m-%d_%H:%M'
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}
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debug_only=false
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# debug_only=true
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src_dir="$1"
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export output_dir="$2"
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if [[ -z "$src_dir" || -z "$output_dir" ]]; then
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printf 'Usage:\nencode_dir <input dir> <output dir>\n' >&2
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exit 1
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fi
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logdir="${HOME}/encoding_logs"
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[[ -d "$logdir" ]] || mkdir "$logdir"
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start_ts="$(ts)"
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log="${logdir}/${start_ts}_encoding_log"
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fixes="${logdir}/${start_ts}_fixes.sh"
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temp_dir="$(mktemp -d)"
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printf '#!/bin/bash\n# FIXES generated by library_works/encode_all\n\n' > "$fixes"
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function encode() {
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src_file_and_path="$1"
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src_file="$(basename "$in_file_path")"
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# file is full original path + filename
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src_dir="$(dirname "$src_file_and_path")"
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file_name="$(basename "$src_file_and_path")"
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final_opus="${output_dir}/$(sed -e 's/\.flac$/.opus/' <<< "$file_name")"
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unset tags
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unset dest_dir
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declare -A tags
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while read -r line; do
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tag_type="$(cut -d= -f1 <<< "$line")"
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tag_type="${tag_type^^}"
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tag_val="$(cut -d= -f2- <<< "$line")"
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# TODO: suggest fixes for lower case tags
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tags["$tag_type"]="$tag_val"
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done < <(metaflac --list --block-type='VORBIS_COMMENT' "$src_file_and_path" | \
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grep 'comment\[' | \
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cut -d: -f2- | \
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sed 's/^ //')
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tag_ensure=( 'TRACKNUMBER' 'TITLE' 'ALBUM' 'ARTIST' 'YEAR')
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for tag_type in "${tag_ensure[@]}"; do
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if [[ -z "${tags["$tag_type"]}" ]]; then
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printf '%s is missing tag: %s\n' "$src_file_and_path" "$tag_type" >> "$log"
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tags["$tag_type"]="missing $tag_type"
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fi
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done
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[[ -d "$output_dir" ]] || mkdir -p "$output_dir"
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tag_flags=(
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'--title' "${tags['TITLE']}"
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'--artist' "${tags['ARTIST']}"
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'--album' "${tags['ALBUM']}"
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'--tracknumber' "${tags['TRACKNUMBER']}"
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'--date' "${tags['DATE']}")
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[[ -n "${tags[DISK]}" ]] && tag_flags+=('--comment' "DISK=${tags['DISK']}")
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tags=''
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for tag in "${tag_flags[@]}"; do
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tags+="$(printf '"%s" ' "$tag")"
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done
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cmd=$(printf 'opusenc --downmix-mono --bitrate 48 --speech --quiet --discard-comments --discard-pictures %s "%s" "%s"\n' "$tags" "$src_file_and_path" "$final_opus")
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printf '%s\n' "$cmd"
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eval $cmd
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if [[ -n "$err" ]]; then
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printf '%s\n' "$err" >> "$log"
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fi
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}
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echo starting processing
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# find "$src_dir" -type f -name '*.flac' | while read line; do encode "${line}"; done
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# exit 1
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# find "$src_dir" -type f -name '*.flac' | while read line; do encode "$line"; done
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# wait
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find "$src_dir" -type f -name '*.flac' -print0 | env_parallel -P 0 -0 --bar encode {}
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echo done processing
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echo deleting any empty directories
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# find "$output_dir" -empty -type d -delete
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166
split_dir
Executable file
166
split_dir
Executable file
@ -0,0 +1,166 @@
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#!/bin/bash
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# split_dir splits each track from a specified directory.
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#
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# The library is mirrored for each type of split.
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#
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# karaoke: reduces the volume of the vocals by 80% and remixes it
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# drum only: just the drums
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# no drum: reduces the volume of the drums by 80% and remixes it
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target="$1"
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if [[ -z "$target" ]]; then
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printf 'Give a target dir\n' >&2
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exit 1
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fi
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function make_drum() {
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mkdir -p "${dest_dir['no drums']}"
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# quiet_drums="${actual_work_dir}/quiet drums.wav"
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wav_name="$(sed 's/\.flac$/.wav/' <<< "$file_name")"
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mixed_wav="${dest_dir['no drums']}/${wav_name}"
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final_opus="$(sed 's/\.wav$/.opus/' <<< "$mixed_wav")"
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# echo sox -v "$volume_reduction_factor" "$drum_track" "$quiet_drums"
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# sox -v "$volume_reduction_factor" "$drum_track" "$quiet_drums"
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# echo sox -m "${nodrums[@]}" "$quiet_drums" "$mixed_wav"
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# sox -m "${nodrums[@]}" "$quiet_drums" "$mixed_wav"
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echo sox -m "${nodrums[@]}" "$mixed_wav"
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sox -m "${nodrums[@]}" "$mixed_wav"
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# rm "$quiet_drums"
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echo opusenc --comp 10 --downmix-stereo \
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--title "'${tags[TITLE]}'" --artist "'${tags[ARTIST]}'" \
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--album "'${tags[ALBUM]}'" --tracknumber "'${tags[TRACKNUMBER]}'" \
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--date "'${tags[DATE]}'" "'$mixed_wav'" "'$final_opus'"
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opusenc --comp 10 --downmix-stereo \
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--title "${tags[TITLE]}" --artist "${tags[ARTIST]}" \
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--album "${tags[ALBUM]}" --tracknumber "${tags[TRACKNUMBER]}" \
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--date "${tags[DATE]}" "$mixed_wav" "$final_opus"
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rm "$mixed_wav"
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}
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function make_drumonly() {
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mkdir -p "${dest_dir['drums only']}"
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echo echo dest dir: ${dest_dir['drums only']}
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echo drum track: "$drum_track"
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final_opus="${dest_dir['drums only']}/$(sed 's/\.flac$/.opus/' <<< "$file_name")"
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echo opusenc --comp 10 --downmix-stereo \
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--title "'${tags[TITLE]}'" --artist "'${tags[ARTIST]}'" \
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--album "'${tags[ALBUM]}'" --tracknumber "'${tags[TRACKNUMBER]}'" \
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--date "'${tags[DATE]}'" "'$drum_track'" "'$final_opus'"
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opusenc --comp 10 --downmix-stereo \
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--title "${tags[TITLE]}" --artist "${tags[ARTIST]}" \
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--album "${tags[ALBUM]}" --tracknumber "${tags[TRACKNUMBER]}" \
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--date "${tags[DATE]}" "$drum_track" "$final_opus"
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}
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function make_karaoke() {
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mkdir -p "${dest_dir[karaoke]}"
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quiet_vocals="${actual_work_dir}/quiet vocals.wav"
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wav_name="$(sed 's/\.flac$/.wav/' <<< "$file_name")"
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mixed_wav="${dest_dir['karaoke']}/${wav_name}"
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final_opus="$(sed 's/\.wav$/.opus/' <<< "$mixed_wav")"
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echo sox -v "$volume_reduction_factor" "$vocal_track" "$quiet_vocals"
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sox -v "$volume_reduction_factor" "$vocal_track" "$quiet_vocals"
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echo sox -m "${karaoke[@]}" "$quiet_vocals" "$mixed_wav"
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sox -m "${karaoke[@]}" "$quiet_vocals" "$mixed_wav"
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rm "$quiet_vocals"
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echo opusenc --comp 10 --downmix-stereo \
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--title "'${tags[TITLE]}'" --artist "'${tags[ARTIST]}'" \
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--album "'${tags[ALBUM]}'" --tracknumber "'${tags[TRACKNUMBER]}'" \
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--date "'${tags[DATE]}'" "'$mixed_wav'" "'$final_opus'"
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opusenc --comp 10 --downmix-stereo \
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--title "${tags[TITLE]}" --artist "${tags[ARTIST]}" \
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--album "${tags[ALBUM]}" --tracknumber "${tags[TRACKNUMBER]}" \
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--date "${tags[DATE]}" "$mixed_wav" "$final_opus"
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rm "$mixed_wav"
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}
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volume_reduction_factor='0.1'
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src_library="$target"
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work_dir="${HOME}/split"
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actual_work_dir="${work_dir}/htdemucs_ft"
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type -P 'demucs' &>/dev/null || (
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printf 'No demucs in path.\nInstall with `pip install demucs` or something.\n\n' >&2
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exit 1
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)
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find "$src_library" -type f -name '*.flac' | while read file; do
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if find "$work_dir" -type f &>/dev/null; then rm -rf "${work_dir}"/*; fi
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echo "file: $file"
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# file is full original path + filename
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src_dir="$(dirname "$file")"
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file_name="$(basename "$file")"
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unset tags
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unset dest_dir
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declare -A tags
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echo tag time
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while read -r line; do
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tag_type="$(cut -d= -f1 <<< "$line")"
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tag_type="${tag_type^^}"
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tag_val="$(cut -d= -f2- <<< "$line")"
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tags["$tag_type"]="$tag_val"
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done < <(metaflac --list --block-type=VORBIS_COMMENT "$file" | grep 'comment\[' | cut -d: -f2- | sed 's/^ //')
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album="$(basename "$final_dir")"
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if [[ "$file_name" =~ ^D[0-9]+ ]]; then
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disk="$(cut -d\ -f1 <<< "$file_name")"
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tags[DISK]="${disk#D}"
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fi
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declare -a tag_ensure
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tag_ensure=( TRACKNUMBER TITLE DATE ALBUM ARTIST )
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for tag_type in "${tag_ensure[@]}"; do
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if [[ -z "${tags[$tag_type]}" ]]; then
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tags[$tag_type]="missing $tag_type"
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fi
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done
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declare -A dest_dir
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dest_dir['karaoke']="${src_dir//flac/karaoke}"
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dest_dir['drums only']="${src_dir//flac/drums only}"
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dest_dir['no drums']="${src_dir//flac/no drums}"
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demucs -n htdemucs_ft -o "$work_dir" --filename '{track} {stem}.{ext}' -j50 -d cpu --clip-mode rescale -- "$file" < /dev/null
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unset files karaoke nodrums
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declare -a files karaoke nodrums
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readarray -t files < <(find "$work_dir" -type f -name '*.wav')
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unset vocal_track
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unset drum_track
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for cur_file in "${files[@]}"; do
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echo current file: "$cur_file"
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if ! grep -Eq 'drums\.wav$' <<< "$cur_file"; then
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nodrums+=("$cur_file")
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else
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drum_track="$cur_file"
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fi
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if ! grep -Eq 'vocals\.wav$' <<< "$cur_file"; then
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karaoke+=("$cur_file")
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else
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vocal_track="$cur_file"
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fi
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done
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for i in "${nodrums[@]}"; do
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printf 'Drum practice: %s\n' "$i"
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done
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if [[ -z "$drum_track" ]]; then
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printf 'No drum track. Will not create a drum practice file.\n'
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else
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make_drum
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make_drumonly
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fi
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for i in "${karaoke[@]}"; do
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printf 'Karaoke practice: %s\n' "$i"
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done
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if [[ ! "$vocal_track" ]]; then
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printf 'No vocal track. Will not create a karaoke file.\n'
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else
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make_karaoke
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fi
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done
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16
split_tracks
16
split_tracks
@ -10,16 +10,18 @@
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function make_drum() {
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mkdir -p "${dest_dir['no drums']}"
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quiet_drums="${actual_work_dir}/quiet drums.wav"
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# quiet_drums="${actual_work_dir}/quiet drums.wav"
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wav_name="$(sed 's/\.flac$/.wav/' <<< "$file_name")"
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mixed_wav="${dest_dir['no drums']}/${wav_name}"
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final_opus="$(sed 's/\.wav$/.opus/' <<< "$mixed_wav")"
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echo sox -v "$volume_reduction_factor" "$drum_track" "$quiet_drums"
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sox -v "$volume_reduction_factor" "$drum_track" "$quiet_drums"
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echo sox -m "${nodrums[@]}" "$quiet_drums" "$mixed_wav"
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sox -m "${nodrums[@]}" "$quiet_drums" "$mixed_wav"
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rm "$quiet_drums"
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# echo sox -v "$volume_reduction_factor" "$drum_track" "$quiet_drums"
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# sox -v "$volume_reduction_factor" "$drum_track" "$quiet_drums"
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# echo sox -m "${nodrums[@]}" "$quiet_drums" "$mixed_wav"
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# sox -m "${nodrums[@]}" "$quiet_drums" "$mixed_wav"
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echo sox -m "${nodrums[@]}" "$mixed_wav"
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sox -m "${nodrums[@]}" "$mixed_wav"
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# rm "$quiet_drums"
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echo opusenc --comp 10 --downmix-stereo \
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--title "'${tags[TITLE]}'" --artist "'${tags[ARTIST]}'" \
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--album "'${tags[ALBUM]}'" --tracknumber "'${tags[TRACKNUMBER]}'" \
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@ -68,7 +70,7 @@ function make_karaoke() {
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rm "$mixed_wav"
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}
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volume_reduction_factor='0.2'
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volume_reduction_factor='0.1'
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src_library="${HOME}/flac"
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work_dir="${HOME}/split"
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actual_work_dir="${work_dir}/htdemucs_ft"
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