gstreamer/ext
Matthew Waters 0063e63fe3 gltestsrc: guard stop in gl thread
So we don't result in a critical when we've never created the GL context:

gst_gl_context_thread_add: assertion 'GST_IS_GL_CONTEXT (context)' failed
2017-12-09 19:32:31 +00:00
..
gl gltestsrc: guard stop in gl thread 2017-12-09 19:32:31 +00:00