Flac(cue) splitting commandline utility

README.md

music-splitter

Simple commandline utility providing support for reqursively walk through all music directories and split large .flac files.

Requirements

Any linux distribution with split2flac, php and find.

Usage

music-splitter <path-to-music-root-dir>

Installation

1. chmod +x music-splitter
2. That's it! Now you can see Usage section!

music-splitter

#!/usr/bin/env php
<?php

function getCueFile($flacDir, $flacFile, $filter = '.*', $i = 0) {
	$cueFiles = `find "$flacDir" -type f -regex ".*cue$" | grep -P "$filter"`;
	$cueFiles = explode("\n", $cueFiles);
	array_pop($cueFiles);
	if ($i < 2) {
		if (count($cueFiles) > 1) {
			return getCueFile($flacDir, $flacFile, 'flac', ++$i);
		}
	} else {
		$result = [];
		foreach ($cueFiles as $cueFile) {
			$result[$cueFile] = levenshtein($cueFile, $flacFile);
		}
		return array_keys($result, min($result))[0];
	}
	if (!isset($cueFiles[0])) {
		return false;
	}
	return $cueFiles[0];
}

set_time_limit(0);
$startdir = getcwd();
if (isset($argv[1]) && is_dir($argv[1])) {
	if (strpos($argv[1], '/') !== false) {
		$startdir = $argv[1];
	} else {
		$startdir .= '/' . $argv[1];
	}
}
$startdir .= '/';
$bigFlacs = `find "$startdir" -type f -size +100M -regex ".*flac$" | grep -v splitted`;
$bigFlacs = explode("\n", $bigFlacs);
$command = 'split2flac -cue "%s" -nask -of \'splitted/@performer - @track - @title.@ext\' -o "%s" "%s"';
$now = 0;
array_pop($bigFlacs);
$of = count($bigFlacs);
foreach ($bigFlacs as $bigFlac) {
	$flacDir = dirname($bigFlac);
	$flacDir = str_replace('"', '\\"', $flacDir);
	if (`find "$flacDir" -type d | grep splitted` !== null) {
		echo "\033[1m>>>\033[0m " . 'Skipping ' . ($now++) . '/' . $of . '...' . PHP_EOL;
		continue;
	} else {
		$cueFile = getCueFile($flacDir, $bigFlac);
		if ($cueFile === false) {
			echo "\033[1m>>>\033[0m " . 'Skipping ' . ($now++) . '/' . $of . '...' . PHP_EOL;
			continue;
		}
		$cueFile = str_replace('"', '\\"', $cueFile);
		$task = sprintf($command, $cueFile, $flacDir, $bigFlac);
		echo 'Running "' . $task . '"...' . PHP_EOL;
		echo `$task` . PHP_EOL;
		sleep(1);
		echo "\033[1m>>>\033[0m " . ($now++) . '/' . $of . PHP_EOL;
	}
}
echo PHP_EOL . " \033[0;32m*\033[0m Done!" . PHP_EOL;