portability, NONUMBER SEPARATOR and VERBOSITY variables, numbers from 00
This commit is contained in:
parent
824bbc7d6f
commit
8d25557220
1 changed files with 89 additions and 50 deletions
139
get-tracks.sh
139
get-tracks.sh
|
|
@ -18,23 +18,23 @@ reverse_word_order(){
|
|||
|
||||
# bc is mandatory: arythmetic operations are very limited in ash.
|
||||
get_seconds(){
|
||||
local n=0
|
||||
local v=0
|
||||
number_position=0
|
||||
value=0
|
||||
|
||||
values=$(echo "$*" | sed 's/:/\
|
||||
/g' | sed "s/^0//")
|
||||
for i in $(reverse_word_order $values); do
|
||||
case $n in
|
||||
0) v=$(echo "$v + $i " | bc);;
|
||||
1) v=$(echo "$v + (60 * $i)" | bc);;
|
||||
2) v=$(echo "$v + (3600 * $i)" | bc);;
|
||||
case $number_position in
|
||||
0) value=$(echo "$value + $i " | bc);;
|
||||
1) value=$(echo "$value + (60 * $i)" | bc);;
|
||||
2) value=$(echo "$value + (3600 * $i)" | bc);;
|
||||
*) echo "invalid timecode $*"; exit 1;;
|
||||
esac
|
||||
|
||||
n=$((n+1))
|
||||
number_position=$((number_position+1))
|
||||
done
|
||||
|
||||
echo $v
|
||||
echo $value
|
||||
}
|
||||
|
||||
# Get a more usable time representation for the beginning and the end of songs.
|
||||
|
|
@ -44,66 +44,80 @@ get_values(){
|
|||
time_file="$2"
|
||||
total_length=$(soxi -D "${audio_file}" | sed "s/\..*//") # integer values only
|
||||
|
||||
n=0
|
||||
track_number=1
|
||||
|
||||
while read X; do
|
||||
|
||||
if [ $n -ne 0 ]; then
|
||||
to=$(get_time $X)
|
||||
to_s=$(get_seconds $to)
|
||||
echo -e "$from_s\t$to_s\t$title"
|
||||
if [ $track_number -ne 1 ]; then
|
||||
to_unformatted=$(get_time $X)
|
||||
to_s=$(get_seconds $to_unformatted)
|
||||
echo "$from_s $to_s $title"
|
||||
fi
|
||||
|
||||
#echo $X
|
||||
from=$(get_time $X)
|
||||
from_s=$(get_seconds $from)
|
||||
from_unformatted=$(get_time $X)
|
||||
from_s=$(get_seconds $from_unformatted)
|
||||
title=$(get_title $X)
|
||||
|
||||
if [ -z "${WITH_NUMBER}" ]; then
|
||||
:
|
||||
else
|
||||
title="${n}${WITH_NUMBER}${title}"
|
||||
if [ "$NONUMBER" = "" ]; then
|
||||
track_n=$track_number
|
||||
if [ $track_number -lt 10 ]; then
|
||||
track_n="0$track_number"
|
||||
fi
|
||||
title="${track_n}${SEPARATOR}${title}"
|
||||
fi
|
||||
|
||||
n=$(echo $n + 1 | bc)
|
||||
track_number=$(echo $track_number + 1 | bc)
|
||||
done < "${time_file}"
|
||||
|
||||
echo -e "$from_s\t$total_length\t$title"
|
||||
echo "$from_s $total_length $title"
|
||||
}
|
||||
|
||||
run_ffmpeg(){
|
||||
local file=$1
|
||||
local from=$2
|
||||
local duration=$3
|
||||
local title=$4
|
||||
file=$1
|
||||
from=$2
|
||||
duration=$3
|
||||
final_title=$4
|
||||
|
||||
if [ "${SIMULATION}" = 1 ]; then
|
||||
[ -z "${QUIET}" ] && echo "ffmpeg -loglevel error -ss '$from' -t '$duration' -i '${file}' '${title}'"
|
||||
else
|
||||
[ -z "${QUIET}" ] && echo "ffmpeg -loglevel error -ss '$from' -t '$duration' -i '${file}' '${title}'"
|
||||
$(< /dev/null ffmpeg -loglevel quiet -ss "$from" -t "$duration" -i "${file}" "${title}")
|
||||
LOG_LEVEL="-loglevel error"
|
||||
FROM="-ss $from"
|
||||
DURATION="-t $duration"
|
||||
INPUT_FILE="-i $file"
|
||||
OUTPUT_FILE="$final_title"
|
||||
|
||||
case "v$VERBOSITY" in
|
||||
v0)
|
||||
;;
|
||||
v1)
|
||||
echo "extracting '$final_title'"
|
||||
;;
|
||||
v2)
|
||||
echo "ffmpeg $LOG_LEVEL $FROM $DURATION $INPUT_FILE '$OUTPUT_FILE'"
|
||||
;;
|
||||
*)
|
||||
echo "verbosity is not set properly" >&2
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
|
||||
if [ "$SIMULATION" = "" ]; then
|
||||
$(< /dev/null ffmpeg $LOG_LEVEL $FROM $DURATION $INPUT_FILE "$OUTPUT_FILE")
|
||||
fi
|
||||
}
|
||||
|
||||
rip(){
|
||||
n=0
|
||||
from=0
|
||||
to=0
|
||||
track_start_s=0
|
||||
track_end_s=0
|
||||
|
||||
audio_file="$1"
|
||||
time_file="$2"
|
||||
|
||||
[ "$FORMAT" = "" ] && echo "default format: opus" && FORMAT="opus"
|
||||
|
||||
#echo "from to duration title"
|
||||
get_values "$audio_file" "$time_file" | while read LINE; do
|
||||
from=$(echo $LINE | cut -d ' ' -f 1)
|
||||
to=$(echo $LINE | cut -d ' ' -f 2)
|
||||
title=$(echo $LINE | cut -d ' ' -f 3-)
|
||||
duration=$(echo "$to - $from" | bc)
|
||||
track_start_s=$(echo $LINE | cut -d ' ' -f 1)
|
||||
track_end_s=$(echo $LINE | cut -d ' ' -f 2)
|
||||
track_title=$(echo $LINE | cut -d ' ' -f 3-)
|
||||
track_duration=$(echo "$track_end_s - $track_start_s" | bc)
|
||||
|
||||
run_ffmpeg "${audio_file}" "${from}" "${duration}" "${title}.${FORMAT}"
|
||||
n=$((n + 1))
|
||||
run_ffmpeg "${audio_file}" "${track_start_s}" "${track_duration}" "${track_title}.${FORMAT}"
|
||||
done
|
||||
}
|
||||
|
||||
|
|
@ -115,11 +129,15 @@ usage(){
|
|||
echo "song-list line format example: 1:30 My second track of the playlist"
|
||||
echo "show output format: start end title"
|
||||
echo
|
||||
echo "envvar: SIMULATION [0|1] (do not invoke ffmpeg)"
|
||||
echo "envvar: FORMAT [mp3,ogg,opus,…] (see the ffmpeg documentation)"
|
||||
echo "envvar: WITH_NUMBER [separator] (not null = write song number, with this separator)"
|
||||
echo " example: WITH_NUMBER=_ Song names will be 1_song.opus 2_song.opus…"
|
||||
echo "envvar: QUIET (if set to any value, ffmpeg commands are not displayed)"
|
||||
echo "envvar: SIMULATION, if non empty, do not invoke ffmpeg"
|
||||
echo "envvar: NONUMBER, if non empty, do not write song number"
|
||||
echo "envvar: FORMAT [mp3,ogg,opus,…], see the ffmpeg documentation"
|
||||
echo "envvar: SEPARATOR [separator] (default: ' - '), write song number, with this separator"
|
||||
echo " example with SEPARATOR='_': song names will be 01_song.opus 02_song.opus…"
|
||||
echo "envvar: VERBOSITY [0-3] (default: 1)"
|
||||
echo " VERBOSITY 0: no output exept errors from ffmpeg"
|
||||
echo " VERBOSITY 1: simple indications on the current track being extracted"
|
||||
echo " VERBOSITY 2: print actual ffmpeg commands the script currently runs"
|
||||
}
|
||||
|
||||
if [ $# -lt 1 ]; then
|
||||
|
|
@ -130,12 +148,32 @@ fi
|
|||
command=$1
|
||||
shift
|
||||
|
||||
if [ "$FORMAT" = "" ]; then
|
||||
echo "default FORMAT: opus"
|
||||
FORMAT="opus"
|
||||
fi
|
||||
|
||||
if [ "$VERBOSITY" = "" ]; then
|
||||
echo "default VERBOSITY: 1"
|
||||
VERBOSITY=1
|
||||
fi
|
||||
|
||||
# Assume that there should be a separator.
|
||||
if [ "$SEPARATOR" = "" ]; then
|
||||
echo "default SEPARATOR: ' - '"
|
||||
SEPARATOR=" - "
|
||||
fi
|
||||
|
||||
if [ "$SIMULATION" != "" ]; then
|
||||
echo "SIMULATION envvar is set: this is a simulation."
|
||||
fi
|
||||
|
||||
case "x-${command}" in
|
||||
x-show)
|
||||
|
||||
# Takes the audio file in first parameter
|
||||
if [ $# -ne 2 ]; then
|
||||
echo "Usage: $0 show music-file time-stamps-file"
|
||||
echo "Usage: $0 show music-file time-stamps-file" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
|
|
@ -146,12 +184,13 @@ case "x-${command}" in
|
|||
|
||||
# Takes the audio file in first parameter
|
||||
if [ $# -ne 2 ]; then
|
||||
echo "Usage: $0 show music-file time-stamps-file"
|
||||
echo "Usage: $0 show music-file time-stamps-file" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
rip "$1" "$2"
|
||||
;;
|
||||
|
||||
*)
|
||||
usage 1>&2
|
||||
exit 1
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue