v4l2videoenc: Call stop on object before renegotiation

Otherwise renegotiation fails as we are still streaming.

https://bugzilla.gnome.org/show_bug.cgi?id=791338

diff --git a/sys/v4l2/gstv4l2videoenc.c b/sys/v4l2/gstv4l2videoenc.c
index 1783b86..c9a8040 100644 (file)
--- a/sys/v4l2/gstv4l2videoenc.c
+++ b/sys/v4l2/gstv4l2videoenc.c
@@ -321,6 +321,9 @@ gst_v4l2_video_enc_set_format (GstVideoEncoder * encoder,
     if (gst_v4l2_video_enc_finish (encoder) != GST_FLOW_OK)
       return FALSE;
 
+    gst_v4l2_object_stop (self->v4l2output);
+    gst_v4l2_object_stop (self->v4l2capture);
+
     gst_video_codec_state_unref (self->input_state);
     self->input_state = NULL;
   }