From 361059ed3cfd9fd8f839b5d73fe0e6f611ff3521 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 17 May 2017 17:24:25 +0800
Subject: [PATCH] gstpinossrc: Don't crash when format is changed to NULL

---
 pinos/gst/gstpinossrc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pinos/gst/gstpinossrc.c b/pinos/gst/gstpinossrc.c
index 8389802c8..74a09de9c 100644
--- a/pinos/gst/gstpinossrc.c
+++ b/pinos/gst/gstpinossrc.c
@@ -786,6 +786,9 @@ on_format_changed (PinosListener *listener,
   gboolean res;
   PinosContext *ctx = stream->context;
 
+  if (!format)
+    return;
+
   caps = gst_caps_from_format (format);
   GST_DEBUG_OBJECT (pinossrc, "we got format %" GST_PTR_FORMAT, caps);
   res = gst_base_src_set_caps (GST_BASE_SRC (pinossrc), caps);