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author | B. Watson <yalhcru@gmail.com> | 2020-04-30 00:46:38 -0400 |
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committer | B. Watson <yalhcru@gmail.com> | 2020-04-30 00:46:38 -0400 |
commit | 923f8f45a32edef8b812948f9fe15b84634575c5 (patch) | |
tree | dabd5e9d71bf7767731a5b7be0cb25f89fcaa8ef /bchunkmulti | |
parent | 19f7ab5fbb36ae3139d7dfe885fde01bff4869b5 (diff) | |
download | misc-scripts-923f8f45a32edef8b812948f9fe15b84634575c5.tar.gz |
bchunkmulti: extract bin/cue CD images with multiple bin files
Diffstat (limited to 'bchunkmulti')
-rwxr-xr-x | bchunkmulti | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/bchunkmulti b/bchunkmulti new file mode 100755 index 0000000..a5dce5d --- /dev/null +++ b/bchunkmulti @@ -0,0 +1,131 @@ +#!/bin/sh + + +SELF="$( basename $0 )" +VERSION="0.1" + +usage() { + cat <<EOF +Usage: $SELF [-o[N]] -f [bchunk-options] cue-file.cue [basename] + +bchunkmulti v$VERSION, by B. Watson (yalhcru@gmail.com). + +Licensed under the WTFPL: Do WTF you want with this. See +http://www.wtfpl.net/txt/copying/ for details. + +This is a wrapper script for bchunk, to munge it into supporting +bin/cue files with multiple .bin files (one per track, usually). + +We split up each FILE entry in the .cue file into a its own .cue, +then run bchunk once for each of the .cues we just made. + +Options: + + -o Convert audio tracks to ogg, with quality 7. Requires oggenc. + -oN As -o, but uses quality N, which must be a number from 0 to 9. + See the -q option in the oggenc(1) man page. + -f Convert audio tracks to flac. Requires flac. + -k Keep .wav file after converting to ogg/flac. Normally it's + deleted. + -- Everything after this is treated as a filename. Useful if + your .cue filename begins with a -. + --help Shows this help. + --version Shows version number. + +Any other options passed to this script will be passed to bchunk. + +$SELF also works fine on bin/cue files with only one .bin file. +EOF +} + +while true; do + case "$1" in + --version) echo $VERSION ; exit 0 ;; + --help) usage ; exit 0 ;; + -o) OGGQ=7 ;; + -o[-0-9]*) OGGQ="$( echo $1 | cut -b3 )" ;; + -f) FLAC=1 ;; + -k) KEEPWAV=1 ;; + --) break ;; + -*) bchunkopts="$bchunkopts $1" ;; + *) break ;; + esac + shift +done + +[ -n "$OGGQ$FLAC" ] && bchunkopts="$bchunkopts -w" + +cue_in="$1" +if [ -z "$cue_in" ]; then + echo "$SELF: no .cue file argument given, try $SELF --help" 1>&2 + exit 1 +fi + +base="${2:-track}" + +if [ -n "$3" ]; then + echo "$SELF: too many filenames on command line, try $SELF --help" 1>&2 + exit 1 +fi + +# de-space-ify args +bchunkopts=$( echo $bchunkopts ) + +# check that the cue file at least exists and can be read +cat "$cue_in" >/dev/null || exit $? + +# need this to let "read" read the initial spaces in the .cue file lines +IFS="" + +# save old stdout +exec 3>&1 + +# use temp dir in the current dir (we're writing there anyway) +tmpdir="$( mktemp -d bcm.XXXXXX )" +[ -z "$tmpdir" ] && exit $? + +# split up each track entry in the input .cue file into a separate .cue +# file containing only that track. +count=1 +cat "$cue_in" | while read line; do + case "$line" in + FILE*) cue_out="$tmpdir/tmpcue$( printf '%02d' $count ).cue" + exec > "$cue_out" + count="$( expr $count + 1 )" + ;; + esac + echo "$line" +done + +# restore old stdout +exec 1>&3 + +# now convert each file to .iso or .wav (bchunk is smart enough +# to know which is which). +for cue_out in $tmpdir/tmpcue??.cue; do + binfile="$( head -1 "$cue_out" | cut -d\" -f2 )" + tracktmp="$tmpdir/tmp" + + # brand new empty dir for bchunk to write to, will contain only + # one file after bchunk runs. + rm -rf "$tracktmp" + mkdir -p "$tracktmp" + + bchunk $bchunkopts "$binfile" "$cue_out" "$tracktmp"/"$base" + + if grep -q 'TRACK.*AUDIO' "$cue_out"; then + # got audio track, convert to ogg and/or flac if requested + if [ -n "$OGGQ$FLAC" ]; then + [ -n "$OGGQ" ] && oggenc -q"$OGGQ" "$tracktmp"/*.wav + [ -n "$FLAC" ] && flac "$tracktmp"/*.wav + [ -z "$KEEPWAV" ] && rm -f "$tracktmp"/*.wav + fi + fi + + mv "$tracktmp"/* . + + rm -rf "$cue_out" "$tracktmp" +done + +rmdir "$tmpdir" +exit 0 |