From 1e3cfb0a2c5049892bf19c9fcb5c56a02f8d6ab1 Mon Sep 17 00:00:00 2001
From: David Sansome <me@davidsansome.com>
Date: Mon, 2 Jun 2014 12:45:29 +1000
Subject: [PATCH] Don't try to update the scope if there's no buffer yet. 
 Fixes #4388

---
 src/engines/gstengine.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/engines/gstengine.cpp b/src/engines/gstengine.cpp
index 29fa9df13..90be58ca7 100755
--- a/src/engines/gstengine.cpp
+++ b/src/engines/gstengine.cpp
@@ -267,7 +267,10 @@ const Engine::Scope& GstEngine::scope(int chunk_length) {
     have_new_buffer_ = false;
   }
 
-  UpdateScope(chunk_length);
+  if (latest_buffer_ != nullptr) {
+    UpdateScope(chunk_length);
+  }
+
   return scope_;
 }