x11: handle case where no bufferpool is suggested

diff --git a/sys/ximage/ximagesink.c b/sys/ximage/ximagesink.c
index 21156a2..a1e9bf0 100644 (file)
--- a/sys/ximage/ximagesink.c
+++ b/sys/ximage/ximagesink.c
@@ -1473,15 +1473,16 @@ gst_ximagesink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
     if (!gst_buffer_pool_set_config (pool, config))
       goto config_failed;
   }
-  /* we need at least 2 buffer because we hold on to the last one */
-  gst_query_add_allocation_pool (query, pool, size, 2, 0);
+  if (pool) {
+    /* we need at least 2 buffer because we hold on to the last one */
+    gst_query_add_allocation_pool (query, pool, size, 2, 0);
+    gst_object_unref (pool);
+  }
 
   /* we also support various metadata */
   gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE);
   gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE);
 
-  gst_object_unref (pool);
-
   return TRUE;
 
   /* ERRORS */

diff --git a/sys/xvimage/xvimagesink.c b/sys/xvimage/xvimagesink.c
index 7fb457f..087ab54 100644 (file)
--- a/sys/xvimage/xvimagesink.c
+++ b/sys/xvimage/xvimagesink.c
@@ -1984,15 +1984,16 @@ gst_xvimagesink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
     if (!gst_buffer_pool_set_config (pool, config))
       goto config_failed;
   }
-  /* we need at least 2 buffer because we hold on to the last one */
-  gst_query_add_allocation_pool (query, pool, size, 2, 0);
+  if (pool) {
+    /* we need at least 2 buffer because we hold on to the last one */
+    gst_query_add_allocation_pool (query, pool, size, 2, 0);
+    gst_object_unref (pool);
+  }
 
   /* we also support various metadata */
   gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE);
   gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE);
 
-  gst_object_unref (pool);
-
   return TRUE;
 
   /* ERRORS */