avdemux: only activate in pull mode if upstream is seekable

diff --git a/ext/libav/gstavdemux.c b/ext/libav/gstavdemux.c
index 99bedda..006cb2b 100644 (file)
--- a/ext/libav/gstavdemux.c
+++ b/ext/libav/gstavdemux.c
@@ -1702,7 +1702,8 @@ gst_ffmpegdemux_sink_activate (GstPad * sinkpad, GstObject * parent)
     goto activate_push;
   }
 
-  pull_mode = gst_query_has_scheduling_mode (query, GST_PAD_MODE_PULL);
+  pull_mode = gst_query_has_scheduling_mode_with_flags (query,
+      GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);
   gst_query_unref (query);
 
   if (!pull_mode)