comment lib/encode/* (#LLM-assisted - Claude Code)
This commit is contained in:
Vincent Riquer
parent
d0175fa03d
commit
c9a21637c6
@ -1,13 +1,30 @@
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#!/usr/bin/env bash
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# Copyright © 2012-2026 ScriptFanix
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# A copy of the GNU General Public License v3 is includded in the LICENSE file
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# at the root of the project.
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encodeFile::mp3() {
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# Build lame ABR encode command with all available metadata
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lameopts=(${ionice}lame --quiet --noreplaygain)
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lameopts+=(-v --abr ${destinationquality[$destination]})
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# Embed ID3 tags for each available metadata field
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[ -n "$album" ] && lameopts+=(--tl "$album" )
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[ -n "$artist" ] && lameopts+=(--ta "$artist")
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[ -n "$genre" ] && lameopts+=(--tg "$genre")
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[ -n "$title" ] && lameopts+=(--tt "$title")
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[ -n "$track" ] && lameopts+=(--tn "$track")
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[ -n "$year" ] && lameopts+=(--ty "$year")
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# Extended tags using ID3v2 frames (TXXX for custom/non-standard fields)
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[ -n "$albumartist" ] && lameopts+=(--tv TPE2="$albumartist")
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[ -n "$composer" ] && lameopts+=(--tv TCOM="$composer")
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[ -n "$performer" ] && lameopts+=(--tv TOPE="$performer")
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@ -18,6 +35,9 @@ encodeFile::mp3() {
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[ -n "$replaygain_trk" ] \
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&& lameopts+=(--tv "TXXX=REPLAYGAIN_TRACK_GAIN=$replaygain_trk")
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[ -n "$disc" ] && lameopts+=(--tv TPOS="$disc")
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# Handle noresample: force lame to use a specific sample rate to prevent
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# lame's own automatic downsampling at low bitrates
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if (( ${destinationnoresample[$destination]:-0} == 1 ))
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then
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# If 'rate' is not one of these value, it cannot be encoded to
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@ -25,6 +45,7 @@ encodeFile::mp3() {
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# rate to use.
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if [ -n "${destinationfrequency["$destination"]}" ]
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then
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# Target frequency was explicitly set; use that
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case ${destinationfrequency["$destination"]} in
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48000) lameopts+=(--resample 48) ;;
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44100) lameopts+=(--resample 44.1) ;;
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@ -38,8 +59,10 @@ encodeFile::mp3() {
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esac
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elif (( rate > 48000 ))
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then
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# Source rate exceeds MP3 maximum; cap at 48kHz
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lameopts+=(--resample 48)
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else
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# Use the source file's own sample rate
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case $rate in
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48000) lameopts+=(--resample 48) ;;
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44100) lameopts+=(--resample 44.1) ;;
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@ -53,7 +76,11 @@ encodeFile::mp3() {
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esac
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fi
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fi
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# Append input WAV and output MP3 paths to complete the command
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lameopts+=("$tempdir/$tmpfile.wav" "${destinationpath[$destination]}/$destdir/$destfile.mp3")
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# Insert the encode task into the DB, linked to the decode (or sox) task
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# Depend on sox task if it exists, else decode task
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encodetaskid=$(
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Insert tasks <<-EOInsert
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key ${fileid}lame$destination
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@ -63,6 +90,9 @@ encodeFile::mp3() {
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$(
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for key in ${!lameopts[@]}
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do
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# Escape special characters that could
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# interfere with bash glob/brace
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# expansion
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cleanedopts="${lameopts[key]//\&/\\\&}"
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cleanedopts="${cleanedopts//\[/\\[}"
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cleanedopts="${cleanedopts//\]/\\]}"
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@ -78,6 +108,8 @@ encodeFile::mp3() {
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ascii ${destinationascii["$destination"]}
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EOInsert
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)
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# Increment parent task's required_by counter so it won't clean up
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# until all children finish
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parent_required=$(
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Select tasks required_by \
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<<<"id = ${soxtaskid:-$decodetaskid}"
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@ -85,5 +117,5 @@ encodeFile::mp3() {
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Update tasks required_by $((++parent_required)) \
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<<<"id = ${soxtaskid:-$decodetaskid}"
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progressSpin
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soxtaskid=''
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soxtaskid='' # Clear sox task ID so next destination starts fresh
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}
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@ -1,9 +1,27 @@
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#!/usr/bin/env bash
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# Copyright © 2012-2026 ScriptFanix
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# A copy of the GNU General Public License v3 is includded in the LICENSE file
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# at the root of the project.
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encodeFile::opus() {
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# Build opusenc VBR encode command
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opusencopts=(${ionice}opusenc --quiet)
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opusencopts+=(--bitrate ${destinationquality[$destination]})
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# Add Forward Error Correction if a packet loss percentage was
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# configured
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[ -n "${destinationloss["$destination"]}" ] \
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&& opusencopts+=(--expect-loss "${destinationloss["$destination"]}")
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# Embed Ogg comment tags
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[ -n "$albumartist" ] && opusencopts+=(--comment "ALBUMARTIST=$albumartist")
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[ -n "$album" ] && opusencopts+=(--comment "ALBUM=$album")
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[ -n "$artist" ] && opusencopts+=(--artist "$artist")
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@ -20,6 +38,8 @@ encodeFile::opus() {
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&& opusencopts+=(--comment) \
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&& opusencopts+=("REPLAYGAIN_TRACK_GAIN=$replaygain_trk")
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[ -n "$title" ] && opusencopts+=(--title "$title")
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# Split "track/total" format: opusenc uses separate TRACKNUMBER and
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# TRACKTOTAL fields
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[ -n "$track" ] && opusencopts+=(--comment "TRACKNUMBER=${track%/*}")
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[ -n "${track#*/}" ] && opusencopts+=(--comment "TRACKTOTAL=${track#*/}")
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[ -n "$year" ] && opusencopts+=(--comment "DATE=$year")
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@ -31,6 +51,8 @@ encodeFile::opus() {
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fileid $destfileid
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filename $destdir/$destfile.opus
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$(
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# Escape special characters that could
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# interfere with bash glob/brace expansion
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for key in ${!opusencopts[@]}
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do
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cleanedopts="${opusencopts[key]//\&/\\\&}"
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@ -48,6 +70,8 @@ encodeFile::opus() {
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ascii ${destinationascii["$destination"]}
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EOInsert
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)
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# Increment parent task's required_by counter so it won't clean up
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# until all children finish
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parent_required=$(
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Select tasks required_by \
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<<<"id = ${soxtaskid:-$decodetaskid}"
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@ -1,6 +1,23 @@
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#!/usr/bin/env bash
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# Copyright © 2012-2026 ScriptFanix
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# A copy of the GNU General Public License v3 is includded in the LICENSE file
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# at the root of the project.
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encodeFile::vorbis() {
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# Build oggenc quality-based encode command
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# (-Q = quiet, -q = quality level)
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oggencopts=(${ionice}oggenc -Q -q ${destinationquality[$destination]})
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# Embed Ogg comment tags using oggenc's -c "FIELD=value" syntax
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[ -n "$albumartist" ] && oggencopts+=(-c "ALBUMARTIST=$albumartist")
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[ -n "$album" ] && oggencopts+=(-l "$album")
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[ -n "$artist" ] && oggencopts+=(-a "$artist")
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@ -17,6 +34,7 @@ encodeFile::vorbis() {
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[ -n "$title" ] && oggencopts+=(-t "$title")
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[ -n "$track" ] && oggencopts+=(-N "$track")
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[ -n "$year" ] && oggencopts+=(-d "$year")
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# -o output must come before input for oggenc
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oggencopts+=(-o "${destinationpath[$destination]}/$destdir/$destfile.ogg" "$tempdir/$tmpfile.wav")
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encodetaskid=$(
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Insert tasks <<-EOInsert
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@ -25,6 +43,8 @@ encodeFile::vorbis() {
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fileid $destfileid
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filename $destdir/$destfile.ogg
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$(
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# Escape special characters that could
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# interfere with bash glob/brace expansion
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for key in ${!oggencopts[@]}
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do
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cleanedopts="${oggencopts[key]//\&/\\\&}"
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@ -42,6 +62,8 @@ encodeFile::vorbis() {
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ascii ${destinationascii["$destination"]}
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EOInsert
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)
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# Increment parent task's required_by counter so it won't clean up
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# until all children finish
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parent_required=$(
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Select tasks required_by \
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<<<"id = ${soxtaskid:-$decodetaskid}"
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