From 0cbde7b908cccccd7685515912bf9c73d59a4d3e Mon Sep 17 00:00:00 2001
From: remitamine <remitamine@gmail.com>
Date: Thu, 21 Apr 2016 14:41:48 +0100
Subject: [PATCH] [downloader/external] pass external downloader args to
 FFmpegFD only if it's specified explicitly

---
 youtube_dl/downloader/external.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/youtube_dl/downloader/external.py b/youtube_dl/downloader/external.py
index 8d642fc3e..9cc78b4ef 100644
--- a/youtube_dl/downloader/external.py
+++ b/youtube_dl/downloader/external.py
@@ -181,7 +181,8 @@ class FFmpegFD(ExternalFD):
 
         args = [ffpp.executable, '-y']
 
-        args += self._configuration_args()
+        if self.exe == self.get_basename():
+            args += self._configuration_args()
 
         # start_time = info_dict.get('start_time') or 0
         # if start_time: