From 6c11f943d0df6e399d42631004678daa08248a7e Mon Sep 17 00:00:00 2001
From: Cris Ward <cris@duodesign.co.uk>
Date: Thu, 28 Sep 2017 12:07:26 +0100
Subject: [PATCH] Better fix for safari video bug

This seems to work everywhere that I've tested.
---
 src/kemal/helpers/helpers.cr | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/kemal/helpers/helpers.cr b/src/kemal/helpers/helpers.cr
index 87c8947..94b643c 100644
--- a/src/kemal/helpers/helpers.cr
+++ b/src/kemal/helpers/helpers.cr
@@ -149,14 +149,14 @@ private def multipart(file, env : HTTP::Server::Context)
   end
 
   if endb == 0
-    endb = fileb
+    endb = fileb - 1
   end
 
   if startb < endb && endb <= fileb
     env.response.status_code = 206
     env.response.content_length = endb - startb
     env.response.headers["Accept-Ranges"] = "bytes"
-    env.response.headers["Content-Range"] = "bytes #{startb}-#{endb > 1 ? endb - 1 : 1}/#{fileb}" # MUST
+    env.response.headers["Content-Range"] = "bytes #{startb}-#{endb}/#{fileb}" # MUST
 
     if startb > 1024
       skipped = 0