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composition: Also ignore all messages from children tearing them to READY

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At that stage elements should not be taken into account anymore. In some
spacial cases they can post ERROR messages (when trying to push sticky
events on flushing pads) on the bus. We actually do not care about those
issues at that exact point.
This commit is contained in:
Thibault Saunier 2014-07-29 23:41:45 +02:00
parent 8154a2c96f
commit ee54d98fe2
1 changed files with 30 additions and 0 deletions
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30
gnl/gnlcomposition.c
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@ -179,6 +179,8 @@ struct _GnlCompositionPrivate
gulong commited_probeid;
/* 0 means that we already received the right caps or segment */
gint awaited_caps_seqnum;
gboolean tearing_down_stack;
};
static guint _signals[LAST_SIGNAL] = { 0 };
@ -677,6 +679,28 @@ _add_update_compo_gsource (GnlComposition * comp,
_free_update_compo_data, G_PRIORITY_DEFAULT);
}
static void
gnl_composition_handle_message (GstBin * bin, GstMessage * message)
{
GnlComposition *comp = (GnlComposition *) bin;
if (comp->priv->tearing_down_stack) {
if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ERROR) {
GST_FIXME_OBJECT (comp, "Dropping %" GST_PTR_FORMAT " message from "
" %" GST_PTR_FORMAT " being teared down to READY",
message, GST_MESSAGE_SRC (message));
}
GST_DEBUG_OBJECT (comp, "Dropping message %" GST_PTR_FORMAT " from "
"object being teared down to READY!", message);
gst_message_unref (message);
return;
}
GST_BIN_CLASS (parent_class)->handle_message (bin, message);
}
static void
gnl_composition_class_init (GnlCompositionClass * klass)
{
@ -706,6 +730,8 @@ gnl_composition_class_init (GnlCompositionClass * klass)
gstbin_class->add_element = GST_DEBUG_FUNCPTR (gnl_composition_add_object);
gstbin_class->remove_element =
GST_DEBUG_FUNCPTR (gnl_composition_remove_object);
gstbin_class->handle_message =
GST_DEBUG_FUNCPTR (gnl_composition_handle_message);
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gnl_composition_src_template));
@ -1850,6 +1876,7 @@ _set_current_bin_to_ready (GnlComposition * comp, gboolean flush_downstream)
GstPad *ptarget = NULL;
GnlCompositionPrivate *priv = comp->priv;
comp->priv->tearing_down_stack = TRUE;
if (flush_downstream) {
ptarget = gst_ghost_pad_get_target (GST_GHOST_PAD (GNL_OBJECT_SRC (comp)));
if (ptarget) {
@ -1880,6 +1907,7 @@ _set_current_bin_to_ready (GnlComposition * comp, gboolean flush_downstream)
gst_element_set_locked_state (priv->current_bin, TRUE);
gst_element_set_state (priv->current_bin, GST_STATE_READY);
comp->priv->tearing_down_stack = FALSE;
if (ptarget) {
gst_pad_remove_probe (ptarget, probe_id);
@ -2125,12 +2153,14 @@ _set_all_children_state (GnlComposition * comp, GstState state)
GST_DEBUG_OBJECT (comp, "Setting all children state to %s",
gst_element_state_get_name (state));
comp->priv->tearing_down_stack = TRUE;
gst_element_set_state (comp->priv->current_bin, state);
for (tmp = comp->priv->objects_start; tmp; tmp = tmp->next)
gst_element_set_state (tmp->data, state);
for (tmp = comp->priv->expandables; tmp; tmp = tmp->next)
gst_element_set_state (tmp->data, state);
comp->priv->tearing_down_stack = FALSE;
}
static GstStateChangeReturn