basesrc: Only set duration/position query values in case of query success

Currently, the query values are being set even if the query itself was
determined to have failed. Fix this to ensure the values are only set in
case of a query success.

https://bugzilla.gnome.org/show_bug.cgi?id=760479

diff --git a/libs/gst/base/gstbasesrc.c b/libs/gst/base/gstbasesrc.c
index 6ab4816..ed10d82 100644 (file)
--- a/libs/gst/base/gstbasesrc.c
+++ b/libs/gst/base/gstbasesrc.c
@@ -1038,7 +1038,9 @@ gst_base_src_default_query (GstBaseSrc * src, GstQuery * query)
           } else
             res = TRUE;
 
-          gst_query_set_position (query, format, position);
+          if (res)
+            gst_query_set_position (query, format, position);
+
           break;
         }
       }
@@ -1091,7 +1093,10 @@ gst_base_src_default_query (GstBaseSrc * src, GstQuery * query)
              * means that we cannot report the duration at all. */
             res = TRUE;
           }
-          gst_query_set_duration (query, format, duration);
+
+          if (res)
+            gst_query_set_duration (query, format, duration);
+
           break;
         }
       }