Simplify PSR-4 autoload

classes/Exception/YoutubedlException.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Alltube\Library\Exception;
+
+use Symfony\Component\Process\Process;
+
+/**
+ * Generic youtube-dl error.
+ */
+class YoutubedlException extends AlltubeLibraryException
+{
+    /**
+     * YoutubedlException constructor.
+     *
+     * @param Process<string> $process Process that caused the exception
+     */
+    public function __construct(Process $process)
+    {
+        parent::__construct(
+            $process->getCommandLine() . ' failed with this error:' . PHP_EOL . trim($process->getErrorOutput()),
+            intval($process->getExitCode())
+        );
+    }
+}