1.2.0 - fun changes
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yosh
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README.md
18
README.md
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@ -15,32 +15,34 @@ it also has options for you to change the bitrate, use a variable quality for mp
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## usage
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```
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flacconv [-hudp3] [-b BITRATE] [-v LEVEL] [-k KEYS] [-r KEYS] [-j THREADS] [--] [DIRECTORY...]
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"usage: flacconv [-huvVip3] [-b BITRATE] [-l LEVEL] [-k KEYS] [-r KEYS] [-j THREADS] [--] [DIRECTORY...]
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DIRECTORY can be specified multiple times. if omitted, the current directory is used
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if encoding to mp3, the only metadata that will be kept is the following:
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IF ENCODING TO MP3, -k AND -r WILL NOT WORK. the only metadata that will be kept is the following:
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TITLE, ARTIST, ALBUM, ALBUMARTIST, DATE, GENRE, TRACKNUMBER, COMMENT, and the cover picture
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(blame id3. just use opus)
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-h show script help
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-u check for updates
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-v verbose output (messy with multithreading)
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-V very verbose output (VERY messy, use only for debugging and with like, -j 1)
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-i ignore script-stopping warnings
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-d delete original flac files after transcoding
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-3 switch output filetype to mp3
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-b <BITRATE> output bitrate in kbits (default 128)
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this value is variable for opus & CBR for mp3
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-v <LEVEL> mp3 only: use specified mp3 variable quality (0-9). integer only
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-l <LEVEL> mp3 only: use specified mp3 variable quality (0-9). integer only
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OVERRIDES -b
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-k <KEYS> keep specified flac metadata KEYS in output file
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keys can be checked with metaflac --export-tags-to=- FILE
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option argument is a PIPE-separated list of keys to keep, case-insensitive
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(e.g. -k 'artist|title|albumartist|album|date')
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(i.e. -k 'artist|title|albumartist|album|date')
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if both -k and -r are not present, all keys are kept.
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-r <KEYS> remove specified flac metadata KEYS in output file
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cannot be used with -k
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option argument is of the same format as -k
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if set to 'ALL', all keys are removed
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-p remove embedded picture in output files
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-j <THREADS> use the specified amount of threads for parallel processing
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if omitted, CPU core count will be used
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if omitted, CPU core count will be used"
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```
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## examples
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@ -60,4 +62,4 @@ recursively convert current directory to mp3 v0, removing all pictures, and keep
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`flacconv -3 -v 0 -p -k "TITLE|ARTIST|ALBUM|TRACKNUMBER"`
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[^1]: tested on dash and yash
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[^1]: tested with dash, yash, and bash --posix on linux. further testing encouraged
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133
flacconv
133
flacconv
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@ -1,12 +1,14 @@
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#!/bin/sh
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# flacconv 1.1.0 // use https://github.com/yoshiyoshyosh/flacconv for issues
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# flacconv 1.2.0 // use https://github.com/yoshiyoshyosh/flacconv for issues
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set -euf
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TAB="$(printf '\t')"
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VTAB="$(printf '\v')" # need a really obscure control character for IFS shenanigans
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NL='
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'
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BN="${0##*/}"
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POSIXLY_CORRECT=1
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errecho() {
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>&2 echo "$@"
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@ -39,48 +41,76 @@ _tempdir() {
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}
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checkupdate() {
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errecho 'checking remote script...'
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remotesh="$(curl -s https://raw.githubusercontent.com/yoshiyoshyosh/flacconv/main/flacconv)"
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errecho 'checking local script...'
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localsh="$(cat "$0")"
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if [ "$remotesh" = "$localsh" ]; then
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errecho 'checking for updates...'
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if curl -s https://raw.githubusercontent.com/yoshiyoshyosh/flacconv/main/flacconv | cmp -s "$0" -; then
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errecho 'your script is updated to the latest version!'
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else
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errecho 'your script differs from remote!'
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errecho 'if this is unintentional, download the newest version from https://raw.githubusercontent.com/yoshiyoshyosh/flacconv/main/flacconv'
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errecho 'if this is unintentional, download the newest version from:'
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errecho 'https://raw.githubusercontent.com/yoshiyoshyosh/flacconv/main/flacconv'
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fi
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exit 0
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}
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metaflac() { command metaflac --no-utf8-convert "$@"; } # don't wanna fuck up any tags from locale shit
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convwarn() { errecho "an error occured while encoding $infile, not deleting" && err=1 && DELETE= ; }
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convwarn() { errecho "an error occured while encoding $infile, skipping and not deleting" && err=1 && DELETE= ; }
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_opusenc() {
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opusenc --discard-comments \
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$opustags \
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${pic:+--picture${VTAB}"${pic}"} \
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--bitrate "${BITRATE}k" \
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"$infile" \
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"${infile%.*}.opus"
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}
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_mp3enc() {
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flac --decode --stdout "$infile" | lame \
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-q 0 \
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${cbr:--V${VTAB}"${VLVL}"} \
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--add-id3v2 \
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--tt "${title#*=}" \
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--ta "${artist#*=}" \
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--tl "${album#*=}" \
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--ty "${year#*=}" \
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--tn "${tracknumber#*=}" \
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--tg "${genre#*=}" \
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--tc "${comment#*=}" \
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--tv "TPE2=${albumartist#*=}" \
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${pic:+--ti${VTAB}"${pic}"} \
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- \
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"${infile%.*}.mp3"
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}
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# some code reused from https://gist.github.com/berturion/5377d6653ef93049f4ff54cff2003e11#file-flac2opus-sh
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process_file() {
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infile="$1"
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bname="${infile##*/}"
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tags="$(metaflac --export-tags-to=- "$infile")"
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# tagnames will be used for all non-metaflac operations, as it allows for multiline comment shit
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tagnames="$(metaflac --export-tags-to=- "$infile" | grep -F '=' | cut -d '=' -f 1)"
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# check if flac has a picture, if not, set RMPIC
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metaflac --export-picture-to=- "$infile" 1>/dev/null 2>&1 || RMPIC=1
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# first remove any potential ID3 tags
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# first detect any potential ID3 tags
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head_bytes="$(dd if="$infile" of=/dev/stdout bs=1 count=3 2>/dev/null)"
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if [ "$head_bytes" = "ID3" ] && [ -z "${NO_ID3:-}" ]; then
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errecho "invalid id3 tags found in $infile, fixing automatically"
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id3v2 -D "$infile"
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metaflac --remove-all-tags --import-tags-from=- "$infile" <<-EOF
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$tags
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EOF
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if [ "$head_bytes" = "ID3" ]; then
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errecho "invalid id3 tags found in $infile, you should get that fixed!"
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# in a previous version this would remove invalid id3 tags automatically
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# I have since realized that this is outside the scope of this program
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# additionally, some people may have tags only in the id3 values, and as
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# such would be lost forever if removed automatically
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# therefore, this script only detects id3 tags and alterts the user
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fi
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# now test if keepkeys or whatever was used, set exported tags
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if [ "$KEEPKEYS" ]; then
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tags="$(printf '%s' "$tags" | grep -i -E "^$KEEPKEYS")"
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elif [ "$REMOVEKEYS" ]; then
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tagnames="$(printf '%s' "$tagnames" | grep -i -E "^$KEEPKEYS")"
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fi
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if [ "$REMOVEKEYS" ]; then
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[ "$REMOVEKEYS" = "ALL" ] && REMOVEKEYS=''
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tags="$(printf '%s' "$tags" | grep -v -i -E "^$REMOVEKEYS")"
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tagnames="$(printf '%s' "$tagnames" | grep -v -i -E "^$REMOVEKEYS")"
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fi
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# export pic if we're keeping it
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@ -90,28 +120,37 @@ process_file() {
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fi
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# time to encode
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IFS="$TAB$NL"
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IFS="$VTAB"
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if [ "$TYPE" = "opus" ]; then
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VLVL=
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opustags=""
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while read -r tag; do # build opus comment chain, can't "import" tags like with flac"
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opustags="${opustags}${TAB}--comment${TAB}${tag}"
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# build opus comment chain, can't "import" tags like with flac
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[ "$tagnames" ] && while read -r name; do
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opustags="${opustags:+${opustags}${VTAB}}--comment${VTAB}$(metaflac --show-tag="$name" "$infile")"
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done <<-EOF
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$tags
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$tagnames
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EOF
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opusenc --discard-comments $opustags ${pic:+--picture${TAB}"${pic}"} --bitrate "${BITRATE}k" "$infile" "${infile%.*}.opus" || convwarn
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if [ "$VERBOSE" ]; then
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_opusenc || convwarn
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else
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_opusenc 1>/dev/null 2>&1 || convwarn
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fi
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else
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album="$(printf "%s" "$tags" | sed -n 's/^ALBUM=//p')"
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artist="$(printf "%s" "$tags" | sed -n 's/^ARTIST=//p')"
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albumartist="$(printf "%s" "$tags" | sed -n 's/^ALBUMARTIST=//p')"
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title="$(printf "%s" "$tags" | sed -n 's/^TITLE=//p')"
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year="$(printf "%s" "$tags" | sed -n 's/^DATE=//p')"
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genre="$(printf "%s" "$tags" | sed -n 's/^GENRE=//p')"
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tracknumber="$(printf "%s" "$tags" | sed -n 's/^TRACKNUMBER=//p')"
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comment="$(printf "%s" "$tags" | sed -n 's/^COMMENT=//p')"
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album="$(metaflac --show-tag=album "$infile")"
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artist="$(metaflac --show-tag=artist "$infile")"
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albumartist="$(metaflac --show-tag=albumartist "$infile")"
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title="$(metaflac --show-tag=title "$infile")"
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year="$(metaflac --show-tag=date "$infile")"
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genre="$(metaflac --show-tag=genre "$infile")"
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tracknumber="$(metaflac --show-tag=tracknumber "$infile")"
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comment="$(metaflac --show-tag=comment "$infile")"
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[ "$VLVL" ] || cbr="-b${TAB}$BITRATE${TAB}--cbr"
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flac --decode --stdout "$infile" | lame -q 0 ${cbr:--V${TAB}"${VLVL}"} --add-id3v2 --tt "$title" --ta "$artist" --tl "$album" --ty "$year" --tn "$tracknumber" --tg "$genre" --tc "$comment" --tv "TPE2=$albumartist" ${pic:+--ti${TAB}"${pic}"} - "${infile%.*}.mp3" || convwarn
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[ "$VLVL" ] || cbr="-b${VTAB}$BITRATE${VTAB}--cbr"
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if [ "$VERBOSE" ]; then
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_mp3enc || convwarn
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else
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_mp3enc 1>/dev/null 2>&1 || convwarn
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fi
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fi
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[ "${pic:-}" ] && rm -f "$pic"
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[ -z "${err:-}" ] && echo "$infile successfully converted to $TYPE with bitrate/quality ${VLVL:-${BITRATE}k}"
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@ -120,21 +159,24 @@ process_file() {
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usage() {
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errecho \
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"usage: $BN [-hudp3] [-b BITRATE] [-v LEVEL] [-k KEYS] [-r KEYS] [-j THREADS] [--] [DIRECTORY...]
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"usage: $BN [-huvVip3] [-b BITRATE] [-l LEVEL] [-k KEYS] [-r KEYS] [-j THREADS] [--] [DIRECTORY...]
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$BN recursively converts directories of flac files to opus/mp3
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DIRECTORY can be specified multiple times. if omitted, the current directory is used
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by default, this script outputs opus and bitrate 128k
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if encoding to mp3, the only metadata that will be kept is the following:
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by default, this script outputs opus with variable bitrate 128k
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IF ENCODING TO MP3, -k AND -r WILL NOT WORK. the only metadata that will be kept is the following:
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TITLE, ARTIST, ALBUM, ALBUMARTIST, DATE, GENRE, TRACKNUMBER, COMMENT, and the cover picture
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(blame id3. just use opus)
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-h show script help
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-u check for updates
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-v verbose output (messy with multithreading)
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-V very verbose output (VERY messy, use only for debugging and with like, -j 1)
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-i ignore script-stopping warnings
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-d delete original flac files after transcoding
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-3 switch output filetype to mp3
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-b <BITRATE> output bitrate in kbits (default 128)
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this value is variable for opus & CBR for mp3
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-v <LEVEL> mp3 only: use specified mp3 variable quality (0-9). integer only
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-l <LEVEL> mp3 only: use specified mp3 variable quality (0-9). integer only
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OVERRIDES -b
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-k <KEYS> keep specified flac metadata KEYS in output file
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keys can be checked with metaflac --export-tags-to=- FILE
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@ -142,7 +184,6 @@ if encoding to mp3, the only metadata that will be kept is the following:
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(i.e. -k 'artist|title|albumartist|album|date')
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if both -k and -r are not present, all keys are kept.
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-r <KEYS> remove specified flac metadata KEYS in output file
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cannot be used with -k
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option argument is of the same format as -k
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if set to 'ALL', all keys are removed
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-p remove embedded picture in output files
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@ -150,6 +191,8 @@ if encoding to mp3, the only metadata that will be kept is the following:
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if omitted, CPU core count will be used"
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}
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VERBOSE=
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REALLYVERBOSE=
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DELETE=
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TYPE=opus
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BITRATE=128
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@ -161,16 +204,18 @@ IGNOREWARNINGS=
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THREADS="$(getconf _NPROCESSORS_ONLN 2>/dev/null || getconf NPROCESSORS_ONLN)" # linux & freebsd compat I think
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_tempdir # set temp dir
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while getopts :hud3peib:v:k:r:j: OPT; do
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while getopts :huvVid3pb:l:k:r:j: OPT; do
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case "$OPT" in
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h) usage && exit 0 ;;
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u) checkupdate ;;
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v) VERBOSE=1 ;;
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V) VERBOSE=1; REALLYVERBOSE=1 ;;
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i) IGNOREWARNINGS=1 ;;
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d) DELETE=1 ;;
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3) TYPE=mp3 ;;
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p) RMPIC=1 ;;
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i) IGNOREWARNINGS=1 ;;
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b) BITRATE="$OPTARG" ;;
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v) VLVL="$OPTARG" ;;
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l) VLVL="$OPTARG" ;;
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k) KEEPKEYS="$OPTARG" ;;
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r) REMOVEKEYS="$OPTARG" ;;
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j) THREADS="$OPTARG" ;;
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@ -179,10 +224,10 @@ while getopts :hud3peib:v:k:r:j: OPT; do
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done
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shift "$((OPTIND - 1))"
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[ "$REALLYVERBOSE" ] && set -x
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command -v metaflac 1>/dev/null 2>&1 || fail 'flac tools are not installed! (metaflac)'
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[ $TYPE = "mp3" ] && { command -v lame 1>/dev/null 2>&1 || fail 'lame is not installed!' ; }
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[ $TYPE = "opus" ] && { command -v opusenc 1>/dev/null 2>&1 || fail 'opus-tools is not installed! (opusenc)' ; }
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command -v id3v2 1>/dev/null 2>&1 || { warn 'id3v2 not installed! invalid id3 tags in a flac file will not be removed' && NO_ID3=1 ; }
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{ [ "$KEEPKEYS" ] && [ "$REMOVEKEYS" ]; } && fail 'don'\''t use -k and -r in the same call!'
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@ -191,7 +236,7 @@ command -v id3v2 1>/dev/null 2>&1 || { warn 'id3v2 not installed! invalid id3 ta
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# you should never put newlines in paths
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# it is a very bad idea for many programs
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FLACFILES="$(find "$@" -type f -name "*.flac")"
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[ -z "$FLACFILES" ] && fail 'no flac files found!'
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[ "$FLACFILES" ] || fail 'no flac files found!'
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# make a fifo/fd for parallel stuff
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mk_parallel_fd() {
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