From a1f1390b8e0cb09b73f9be2a6395a7f918ad7cc6 Mon Sep 17 00:00:00 2001
From: jb-alvarado <jb@pixelcrusher.de>
Date: Wed, 9 Sep 2020 22:05:42 +0200
Subject: [PATCH] use font file only if exists

---
 ffplayout/filters.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/ffplayout/filters.py b/ffplayout/filters.py
index d854fa84..38b74d21 100644
--- a/ffplayout/filters.py
+++ b/ffplayout/filters.py
@@ -31,11 +31,14 @@ from .utils import _global, _pre, _text
 
 def text_filter():
     filter_chain = []
+    font = ''
 
     if _text.add_text and _text.over_pre:
+        if _text.fontfile and os.path.isfile(_text.fontfile):
+            font = ":fontfile='{}'".format(_text.fontfile)
         filter_chain = [
-            "null,zmq=b=tcp\\\\://'{}',drawtext=text='':fontfile='{}'".format(
-                _text.address.replace(':', '\\:'), _text.fontfile)]
+            "null,zmq=b=tcp\\\\://'{}',drawtext=text=''{}".format(
+                _text.address.replace(':', '\\:'), font)]
 
     return filter_chain