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nlecomposition: Also start task on allocation query

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The allocation query may block on the sink when in pause. As a side effect, we
may never get a buffer now that tee does forward the allocation query.
This would often lead in a pipeline stall.

https://bugzilla.gnome.org/show_bug.cgi?id=787405
This commit is contained in:
Nicolas Dufresne 2017-09-07 12:08:40 -04:00 committed by Thibault Saunier
parent a95024545a
commit faf44ac0e2
1 changed files with 8 additions and 6 deletions
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14
plugins/nle/nlecomposition.c
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@ -195,7 +195,7 @@ struct _NleCompositionPrivate
/* 0 means that we already received the right caps or segment */
gint seqnum_to_restart_task;
gboolean waiting_for_buffer;
gboolean waiting_serialized_query_or_buffer;
gboolean tearing_down_stack;
@ -1227,8 +1227,9 @@ ghost_event_probe_handler (GstPad * ghostpad G_GNUC_UNUSED,
NleCompositionPrivate *priv = comp->priv;
GstEvent *event;
if (GST_IS_BUFFER (info->data)) {
if (priv->waiting_for_buffer) {
if (GST_IS_BUFFER (info->data) ||
(GST_IS_QUERY (info->data) && GST_QUERY_IS_SERIALIZED (info->data))) {
if (priv->waiting_serialized_query_or_buffer) {
GST_INFO_OBJECT (comp, "update_pipeline DONE");
_restart_task (comp);
}
@ -1806,7 +1807,8 @@ nle_composition_ghost_pad_set_target (NleComposition * comp, GstPad * target)
priv->ghosteventprobe =
gst_pad_add_probe (target,
GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM | GST_PAD_PROBE_TYPE_EVENT_FLUSH |
GST_PAD_PROBE_TYPE_DATA_DOWNSTREAM,
GST_PAD_PROBE_TYPE_DATA_DOWNSTREAM |
GST_PAD_PROBE_TYPE_QUERY_DOWNSTREAM,
(GstPadProbeCallback) ghost_event_probe_handler, comp, NULL);
GST_DEBUG_OBJECT (comp, "added event probe %lu", priv->ghosteventprobe);
}
@ -2254,7 +2256,7 @@ _restart_task (NleComposition * comp)
G_PRIORITY_HIGH);
comp->priv->seqnum_to_restart_task = 0;
comp->priv->waiting_for_buffer = FALSE;
comp->priv->waiting_serialized_query_or_buffer = FALSE;
comp->priv->updating_reason = COMP_UPDATE_STACK_NONE;
GST_OBJECT_LOCK (comp);
@ -2289,7 +2291,7 @@ _is_ready_to_restart_task (NleComposition * comp, GstEvent * event)
return TRUE;
}
priv->waiting_for_buffer = TRUE;
priv->waiting_serialized_query_or_buffer = TRUE;
return FALSE;
} else if (comp->priv->seqnum_to_restart_task) {