Implement our own quicktime parser

app/Media/QuickTime/Atoms/moov/trak/mdia.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Media\QuickTime\Atoms\moov\trak;
+
+use App\Media\QuickTime\Atoms\moov\trak\mdia\hdlr;
+use App\Media\QuickTime\Atoms\SubAtom;
+use App\Media\QuickTime\Atoms\Unknown;
+
+class mdia extends SubAtom
+{
+	private const subatom_classes = 'App\\Media\\QuickTime\\Atoms\\moov\\trak\\mdia\\';
+
+
+	public function __construct(int $offset,int $size,string $filename,?string $data)
+	{
+		parent::__construct($offset,$size,$filename);
+
+		// We'll find atoms
+		$this->atoms = $this->get_atoms(
+			self::subatom_classes,
+			Unknown::class,
+			$offset,
+			$size,
+			$data,
+			NULL,
+			fn($atom)=>($atom instanceof hdlr) ? $atom->cache['csubtype'] : NULL
+		);
+
+		// For debugging
+		if (FALSE)
+			$this->debug = hex_dump($data ?: $this->data());
+	}
+}