From 2d0243fc683fb53bce38680506744f628d5799c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Wed, 7 Nov 2018 17:24:35 +0200
Subject: [PATCH] decklinkvideosrc: Search from line 1 again if we didn't find
 closed captions at the same line as before

---
 sys/decklink/gstdecklinkvideosrc.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/sys/decklink/gstdecklinkvideosrc.cpp b/sys/decklink/gstdecklinkvideosrc.cpp
index 33e6ae0839..bb14d3730a 100644
--- a/sys/decklink/gstdecklinkvideosrc.cpp
+++ b/sys/decklink/gstdecklinkvideosrc.cpp
@@ -870,7 +870,14 @@ extract_cc_from_vbi (GstDecklinkVideoSrc * self, GstBuffer ** buffer,
       }
     }
 
-    fi++;
+    /* If we didn't find it at the previous line, start again searching from
+     * line 1 onwards */
+    if (!found && (gint) self->last_cc_vbi_line != -1) {
+      self->last_cc_vbi_line = -1;
+      fi = 1;
+    } else {
+      fi++;
+    }
   }
 
   if (!found)