From 7ab4c555500eb76d9fc4e959d4dcb19a54bc4421 Mon Sep 17 00:00:00 2001
From: Pierre Rudloff <contact@rudloff.pro>
Date: Sat, 20 Apr 2019 01:19:55 +0200
Subject: [PATCH] docs: Add comments to some tricky parts

---
 classes/PlaylistArchiveStream.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/classes/PlaylistArchiveStream.php b/classes/PlaylistArchiveStream.php
index b050c61..98cba0c 100644
--- a/classes/PlaylistArchiveStream.php
+++ b/classes/PlaylistArchiveStream.php
@@ -82,8 +82,11 @@ class PlaylistArchiveStream extends TarArchive
     protected function send($data)
     {
         $pos = ftell($this->buffer);
+
+        // Add data to the buffer.
         fwrite($this->buffer, $data);
         if ($pos !== false) {
+            // Rewind so that stream_read() can later read this data.
             fseek($this->buffer, $pos);
         }
     }