decodebin: Remove GstdecodePads that are not going to be exposed

This makes sure that they're unlnked and don't cause any errors or
block the pipeline.

diff --git a/gst/playback/gstdecodebin2.c b/gst/playback/gstdecodebin2.c
index 984a296..ab4b34f 100644 (file)
--- a/gst/playback/gstdecodebin2.c
+++ b/gst/playback/gstdecodebin2.c
@@ -1740,6 +1740,7 @@ discarded_type:
     GST_LOG_OBJECT (pad, "Known type, but discarded because not final caps");
     chain->deadend = TRUE;
     chain->endcaps = gst_caps_ref (caps);
+    gst_object_replace ((GstObject **) & chain->current_pad, NULL);
 
     /* Try to expose anything */
     EXPOSE_LOCK (dbin);
@@ -1758,6 +1759,7 @@ unknown_type:
 
     chain->deadend = TRUE;
     chain->endcaps = gst_caps_ref (caps);
+    gst_object_replace ((GstObject **) & chain->current_pad, NULL);
 
     gst_element_post_message (GST_ELEMENT_CAST (dbin),
         gst_missing_decoder_message_new (GST_ELEMENT_CAST (dbin), caps));
@@ -2491,6 +2493,7 @@ pad_event_cb (GstPad * pad, GstPadProbeInfo * info, gpointer data)
       GST_DEBUG_OBJECT (dbin, "Received EOS on a non final pad, this stream "
           "ended too early");
       chain->deadend = TRUE;
+      gst_object_replace ((GstObject **) & chain->current_pad, NULL);
       /* we don't set the endcaps because NULL endcaps means early EOS */
       EXPOSE_LOCK (dbin);
       if (gst_decode_chain_is_complete (dbin->decode_chain))