From 8a8ed0a93271b994252a4f826bc37f5d0ab41f87 Mon Sep 17 00:00:00 2001
From: Calvin Montgomery <calzoneman@gmail.com>
Date: Sat, 12 Aug 2017 13:20:44 -0700
Subject: [PATCH] ffmpeg: better error messages for ECONNREFUSED and ENOTFOUND

---
 src/ffmpeg.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/ffmpeg.js b/src/ffmpeg.js
index 7e311ad2..727ef041 100644
--- a/src/ffmpeg.js
+++ b/src/ffmpeg.js
@@ -123,6 +123,12 @@ function testUrl(url, cb, redirCount) {
             cb("The remote server provided an invalid SSL certificate.  Details: "
                     + err.reason);
             return;
+        } else if (err.code === 'ENOTFOUND') {
+            cb(`Unknown host "${err.hostname}".  Please check that the link is correct.`);
+            return;
+        } else if (err.code === 'ECONNREFUSED') {
+            cb("The remote server refused the connection.  Please check that the link is correct.");
+            return;
         }
 
         LOGGER.error("Error sending preflight request: %s (link: %s)", err.message, url);