ripslipts.php

#!/usr/bin/env php
<?php
# downloads done with:
# youtube-dl --proxy socks5://127.0.0.1:8080 --write-info-json -i -o "%(title)s (%(id)s).%(ext)s" -f bestaudio --add-metadata --extract-audio --download-archive dl.txt

//$files = [];
$files = glob("*.m4a");
$files = array_merge($files, glob("*.opus"));
foreach ($files as $f) {
    $ext = pathinfo($f, PATHINFO_EXTENSION);
    if(!preg_match("@((.+) \(.+\))\.". preg_quote($ext, '@') . "@", $f, $m)) {
        echo "$f failed\n";
        continue;
    }
    //print_r($m);
    $newDir = "out/$m[2]";
    $doneDir = "done";
    $jfile = "$m[1].info.json";
    $j = json_decode(file_get_contents($jfile));
    if(isset($j->chapters)) {
        @mkdir($newDir, 0700, true);
        foreach($j->chapters as $t) {
            $s = $t->start_time;
            $d = $t->end_time - $s;
            $out = escapeshellarg("$newDir/" . str_replace('/', '&', $t->title));
            $ff = escapeshellarg($f);
            if(!preg_match("@(\d+) +- +(.+)@", $t->title, $mm)) {
                $meta = "-metadata title=" . escapeshellarg($t->title);
            } else {
                $meta = "-metadata title=" . escapeshellarg($mm[2]);
                $meta .= " -metadata track=" . escapeshellarg($mm[1]);
            }
            $meta .= " -metadata album=" . escapeshellarg($m[2]);
            $cmd = "ffmpeg -i $ff -acodec copy -map_chapters -1 -map_metadata -1 $meta -ss $s -t $d $out.$ext";
            echo "$cmd\n";
            system($cmd, $rc);
            if($rc != 0) {
                die("error?\n");
            }
        }
        @mkdir($doneDir);
        rename($jfile, "$doneDir/$jfile");
        rename($f, "$doneDir/$f");
    }
    //break;
}