autoconvert: Handle caps query on internal srcpad

Reply with ANY caps to ensure linking the internal src pad. This
might need more attention later, to reply with the real upstream caps
for the currently active element.

diff --git a/gst/autoconvert/gstautoconvert.c b/gst/autoconvert/gstautoconvert.c
index 05244b3b3c59f86530dbf4c23a7bdcbdabc07874..8ba5963c73abf84603875e9455f451a00119a2e6 100644 (file)
--- a/gst/autoconvert/gstautoconvert.c
+++ b/gst/autoconvert/gstautoconvert.c
@@ -1319,5 +1319,15 @@ gst_auto_convert_internal_src_query (GstPad * pad, GstObject * parent,
       GST_AUTO_CONVERT (g_object_get_qdata (G_OBJECT (pad),
           parent_quark));
 
+  if (GST_QUERY_TYPE (query) == GST_QUERY_CAPS) {
+    GstCaps *caps;
+
+    caps = gst_caps_new_any ();
+    gst_query_set_caps_result (query, caps);
+    gst_caps_unref (caps);
+
+    return TRUE;
+  }
+
   return gst_pad_peer_query (autoconvert->sinkpad, query);
 }