Added AVI x-msvideo parsing

app/Media/MSVideo/Containers/rlist/avih.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Media\MSVideo\Containers\rlist;
+
+use Illuminate\Support\Arr;
+
+use App\Media\MSVideo\Container;
+
+class avih extends Container
+{
+	protected const unpack = [
+		'tbframe'=>['V',4],
+		'mdr'=>['V',4],
+		'PG'=>['V',4],
+		'flags'=>['V',4],
+		'frames'=>['V',4],
+		'init_frames'=>['V',4],
+		'streams'=>['V',4],
+		'buffer_size'=>['V',4],
+		'width'=>['V',4],
+		'height'=>['V',4],
+		'time_scale'=>['V',4],
+		'data_rate'=>['V',4],
+		'start_time'=>['V',4],
+		'data_length'=>['V',4],
+	];
+
+	public function __construct(int $offset,int $size,string $filename,bool $be,?string $data)
+	{
+		parent::__construct($offset,$size,$filename,$be,$data);
+
+		$this->cache = $this->cache($data);
+
+		// For debugging
+		if (FALSE)
+			$this->debug = hex_dump($data ?: $this->data());
+	}
+
+	public function __get(string $key): mixed
+	{
+		switch ($key) {
+			case 'height':
+			case 'width':
+				return Arr::get($this->cache,$key);
+
+			default:
+				return parent::__get($key);
+		}
+	}
+}