pad: check sticky events also after pad block

Recheck for sticky events after doing a pad block because the pad block could
have caused a relink and then we need to resend the events to the newly linked
pad.

Fixes things like switching of visualisations.

1 files changed, 8 insertions, 0 deletions

diff --git a/gst/gstpad.c b/gst/gstpad.c
index 1529528367..971f84b404 100644
--- a/gst/gstpad.c
+++ b/gst/gstpad.c
@@ -3811,6 +3811,10 @@ gst_pad_push_data (GstPad * pad, GstPadProbeType type, void *data)
   /* do block probes */
   PROBE_PUSH (pad, type | GST_PAD_PROBE_TYPE_BLOCK, data, probe_stopped);
 
+  /* recheck sticky events because the probe might have cause a relink */
+  if (G_UNLIKELY ((ret = check_sticky (pad))) != GST_FLOW_OK)
+    goto events_error;
+
   /* do post-blocking probes */
   PROBE_PUSH (pad, type, data, probe_stopped);
 
@@ -3993,6 +3997,10 @@ gst_pad_get_range_unchecked (GstPad * pad, guint64 offset, guint size,
   PROBE_PULL (pad, GST_PAD_PROBE_TYPE_PULL | GST_PAD_PROBE_TYPE_BLOCK,
       res_buf, offset, size, probe_stopped);
 
+  /* recheck sticky events because the probe might have cause a relink */
+  if (G_UNLIKELY ((ret = check_sticky (pad))) != GST_FLOW_OK)
+    goto events_error;
+
   ACQUIRE_PARENT (pad, parent, no_parent);
   GST_OBJECT_UNLOCK (pad);