refactor: Move exceptions and streams to seperate namespaces

classes/ConvertedPlaylistArchiveStream.php

@@ -1,32 +0,0 @@
-<?php
-/**
- * ConvertedPlaylistArchiveStream class.
- */
-
-namespace Alltube;
-
-use Slim\Http\Stream;
-
-/**
- * Class used to create a Zip archive from converted playlists entries.
- */
-class ConvertedPlaylistArchiveStream extends PlaylistArchiveStream
-{
-    /**
-     * Start streaming a new video.
-     *
-     * @param Video $video Video to stream
-     *
-     * @return void
-     */
-    protected function startVideoStream(Video $video)
-    {
-        $this->curVideoStream = new Stream($video->getAudioStream());
-
-        $this->init_file_stream_transfer(
-            $video->getFileNameWithExtension('mp3'),
-            // The ZIP format does not care about the file size.
-            0
-        );
-    }
-}