From: Jan Alexander Steffens (heftig) <jan.steffens@ltnglobal.com>
Date: Mon, 12 Oct 2020 12:09:28 +0000 (+0200)
Subject: srtsrc: Defend against missing clock
X-Git-Tag: 1.19.3~507^2~1271
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6b2fcb52e5b9122d46ba2ac5a41d57133b6ca111;p=platform%2Fupstream%2Fgstreamer.git

srtsrc: Defend against missing clock

If we don't have a clock, stop the source instead of asserting in
gst_clock_get_time. This can happen when the element is removed from the
pipeline while it's playing.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1674>
---

diff --git a/ext/srt/gstsrtsrc.c b/ext/srt/gstsrtsrc.c
index c886e39..5839d7e 100644
--- a/ext/srt/gstsrtsrc.c
+++ b/ext/srt/gstsrtsrc.c
@@ -140,6 +140,11 @@ gst_srt_src_fill (GstPushSrc * src, GstBuffer * outbuf)
 
   /* Get clock and values */
   clock = gst_element_get_clock (GST_ELEMENT (src));
+  if (!clock) {
+    GST_DEBUG_OBJECT (src, "Clock missing, flushing");
+    return GST_FLOW_FLUSHING;
+  }
+
   base_time = gst_element_get_base_time (GST_ELEMENT (src));
 
   recv_len = gst_srt_object_read (self->srtobject, info.data,