From 9aaeb19418616283de00cdb0d00699ab93d84415 Mon Sep 17 00:00:00 2001
From: Bond_009 <Bond.009@outlook.com>
Date: Wed, 27 Mar 2019 16:31:26 +0100
Subject: [PATCH] Self-documenting code

---
 MediaBrowser.Api/Playback/BaseStreamingService.cs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/MediaBrowser.Api/Playback/BaseStreamingService.cs b/MediaBrowser.Api/Playback/BaseStreamingService.cs
index cde6f725aa..efbb17fd2a 100644
--- a/MediaBrowser.Api/Playback/BaseStreamingService.cs
+++ b/MediaBrowser.Api/Playback/BaseStreamingService.cs
@@ -622,18 +622,19 @@ namespace MediaBrowser.Api.Playback
                 return null;
             }
 
-            if (!value.StartsWith("npt=", StringComparison.OrdinalIgnoreCase))
+            const string Npt = "npt=";
+            if (!value.StartsWith(Npt, StringComparison.OrdinalIgnoreCase))
             {
                 throw new ArgumentException("Invalid timeseek header");
             }
             int index = value.IndexOf('-');
             if (index == -1)
             {
-                value = value.Substring(4);
+                value = value.Substring(Npt.Length);
             }
             else
             {
-                value = value.Substring(4, index);
+                value = value.Substring(Npt.Length, index);
             }
 
             if (value.IndexOf(':') == -1)