--- /dev/null
+--- ./plugins/elements/gstmultiqueue.c-original 2013-01-08 14:40:09.002563354 +0100
++++ ./plugins/elements/gstmultiqueue.c 2013-01-08 14:39:45.578850244 +0100
+@@ -161,6 +161,7 @@
+ GstDataQueueSize max_size, extra_size;
+ GstClockTime cur_time;
+ gboolean is_eos;
++ gboolean is_sparse;
+ gboolean flushing;
+
+ /* Protected by global lock */
+@@ -801,6 +802,12 @@
+ return result;
+ }
+
++static gboolean
++is_sparse (GstSingleQueue * sq)
++{
++ return sq->is_sparse;
++}
++
+ static void
+ update_buffering (GstMultiQueue * mq, GstSingleQueue * sq)
+ {
+@@ -822,6 +829,8 @@
+ /* get bytes and time percentages and take the max */
+ if (sq->is_eos) {
+ percent = 100;
++ } else if (is_sparse (sq)) {
++ percent = 100;
+ } else {
+ percent = 0;
+ if (sq->max_size.time > 0) {
+@@ -1606,15 +1615,26 @@
+ GstSingleQueue *sq = gst_pad_get_element_private (pad);
+ GstPad *otherpad;
+ GstCaps *result;
+-
++ GstStructure* str;
++ const gchar *g_type;
++
+ otherpad = (pad == sq->srcpad) ? sq->sinkpad : sq->srcpad;
+
+- GST_LOG_OBJECT (otherpad, "Getting caps from the peer of this pad");
+-
+ result = gst_pad_peer_get_caps (otherpad);
+ if (result == NULL)
+ result = gst_caps_new_any ();
+
++ str = gst_caps_get_structure(result, 0);
++ g_type = str ? gst_structure_get_name(str) : (const gchar*)"unknown";
++
++ GST_LOG_OBJECT (otherpad, "Got caps from the peer of this pad: %s", g_type);
++
++ if ( !g_strcmp0(g_type, "video/x-dvd-subpicture") || !g_strcmp0(g_type, "text/x-pango-markup") || !g_strcmp0(g_type, "text/plain") || !g_strcmp0(g_type, "subpicture/x-pgs") )
++ {
++ GST_INFO_OBJECT (otherpad, "subtitle stream discovered --> set is_sparse to true");
++ sq->is_sparse = TRUE;
++ }
++
+ return result;
+ }
+
+@@ -1841,7 +1861,7 @@
+
+ GST_LOG_OBJECT (mq, "Checking Queue %d", oq->id);
+
+- if (gst_data_queue_is_empty (oq->queue)) {
++ if (gst_data_queue_is_empty (oq->queue) && !is_sparse (oq)) {
+ GST_LOG_OBJECT (mq, "Queue %d is empty", oq->id);
+ if (IS_FILLED (sq, visible, size.visible)) {
+ sq->max_size.visible = size.visible + 1;
+@@ -1868,7 +1888,7 @@
+ * we are checking here.
+ */
+ if (sq->is_eos || IS_FILLED (sq, bytes, ssize.bytes) ||
+- IS_FILLED (sq, time, sq->cur_time)) {
++ IS_FILLED (sq, time, sq->cur_time) || is_sparse (oq)) {
+ GST_LOG_OBJECT (mq, "Queue %d is filled", oq->id);
+ filled = TRUE;
+ }
+@@ -1911,7 +1931,7 @@
+ gst_data_queue_limits_changed (oq->queue);
+ }
+ }
+- if (!gst_data_queue_is_empty (oq->queue))
++ if (!gst_data_queue_is_empty (oq->queue) || is_sparse (oq))
+ empty = FALSE;
+ }
+ GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
+@@ -2011,6 +2031,7 @@
+ (GstDataQueueFullCallback) single_queue_overrun_cb,
+ (GstDataQueueEmptyCallback) single_queue_underrun_cb, sq);
+ sq->is_eos = FALSE;
++ sq->is_sparse = FALSE;
+ sq->flushing = FALSE;
+ gst_segment_init (&sq->sink_segment, GST_FORMAT_TIME);
+ gst_segment_init (&sq->src_segment, GST_FORMAT_TIME);