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May 27, 2017 20:30
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Split an audio file into tracks from a text file with titles and its times
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| #!/bin/bash | |
| # The MIT License (MIT) | |
| # | |
| # Copyright (c) 2017 Tiberio A. Santos | |
| # | |
| # Permission is hereby granted, free of charge, to any person obtaining a copy of | |
| # this software and associated documentation files (the "Software"), to deal in | |
| # the Software without restriction, including without limitation the rights to | |
| # use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | |
| # the Software, and to permit persons to whom the Software is furnished to do so, | |
| # subject to the following conditions: | |
| # | |
| # The above copyright notice and this permission notice shall be included in all | |
| # copies or substantial portions of the Software. | |
| # | |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | |
| # FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | |
| # COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
| # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| # | |
| # | |
| # Script to split an audio file into tracks from a text file with titles and its times | |
| # The text file has following format and creates a directory with the audio files: | |
| # | |
| # Any Track Name 00:00 | |
| # Any Track Name 01:00 | |
| # Any Track Name 02:00 | |
| # Any Track Name 00:03:00 | |
| # Any Track Name 00:04:00 | |
| # Any Track Name 01:00:00 | |
| # | |
| # | |
| # Dependencies: bash, gawk, ffmpeg | |
| red="\033[01;31m" | |
| green="\033[01;32m" | |
| normal="\033[00m" | |
| usage() { | |
| echo -e " | |
| ${green}Audio Splitter${normal} - Split an audio file into tracks from a text file with titles and its times. | |
| Usage: ${green}$0${normal} ${green}-i${normal} [audio file] ${green}-t${normal} [tracks file]" | |
| } | |
| validate_params() { | |
| if [[ -z $input || -z $tracks ]]; then | |
| echo -e "${red}Invalid parameters!${normal}" | |
| usage;exit 2 | |
| fi | |
| } | |
| extract() { | |
| titles=() | |
| times=() | |
| time2seconds=' | |
| { | |
| if (NF==2) { | |
| print ($1*60)+$2 | |
| } else if (NF==3) { | |
| print ($1*3600)+($2*60)+$3 | |
| } | |
| } | |
| ' | |
| get_title='{ gsub(/\s(([0-9]+:)?[0-9]+:[0-9]+)/, ""); print }' | |
| get_time='{ match($0, /(([0-9]+:)?[0-9]+:[0-9]+)/, a); print a[1] }' | |
| end=0 | |
| dest="${input%.*}" | |
| readarray tracks < "$@" | |
| for t in "${tracks[@]}"; do | |
| titles+=("$(echo -n "$t" | awk "$get_title")") | |
| times+=("$(echo -n "$t" | awk "$get_time")") | |
| done | |
| mkdir -p "$dest" | |
| for t in "${!titles[@]}"; do | |
| t1=$(echo -n ${times[t]} | awk -F: "$time2seconds") | |
| t2=$(echo -n ${times[t+1]} | awk -F: "$time2seconds") | |
| if [[ $[t+1] == ${#titles[@]} ]]; then | |
| ffmpeg -i "$input" -c:a copy -ss $t1 "$dest"/"${titles[t]}.${input##*.}" | |
| else | |
| tt=$[t2-1-t1+t1] | |
| ffmpeg -i "$input" -c:a copy -ss $t1 -to $tt "$dest"/"${titles[t]}.${input##*.}" | |
| fi | |
| done | |
| } | |
| while getopts i:t: OPT; do | |
| case "$OPT" in | |
| i) input="$OPTARG";; | |
| t) tracks=true;extract "$OPTARG";; | |
| *) | |
| validate_params | |
| esac | |
| done | |
| shift $((OPTIND-1)) | |
| validate_params |
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