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composition: Add a method that set the current bin to READY

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We need to get the stream lock in some conditions, and thuse send
flush event in those cases.

Co-Authored by: Mathieu Duponchelle <mathieu.duponchelle@opencreed.com>
This commit is contained in:
Thibault Saunier 2014-07-07 22:54:25 +02:00
parent c99642fe66
commit eeb530e19d
1 changed files with 26 additions and 2 deletions
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28
gnl/gnlcomposition.c
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@ -1964,6 +1964,31 @@ get_clean_toplevel_stack (GnlComposition * comp, GstClockTime * timestamp,
return stack;
}
/* Must be called with OBJECTS_LOCK taken */
static void
_set_current_bin_to_ready (GnlComposition * comp)
{
GstPad *ptarget;
GnlCompositionPrivate *priv = comp->priv;
/* FIXME Check how to guarantee some thread safety here */
if (priv->current && GST_STATE (comp) != GST_STATE_PLAYING) {
ptarget = gst_ghost_pad_get_target (GST_GHOST_PAD (GNL_OBJECT_SRC (comp)));
if (ptarget) {
gst_element_send_event (priv->current_bin, gst_event_new_flush_start ());
gst_element_send_event (priv->current_bin,
gst_event_new_flush_stop (TRUE));
gst_object_unref (ptarget);
}
}
gst_element_set_locked_state (priv->current_bin, TRUE);
gst_element_set_state (priv->current_bin, GST_STATE_READY);
}
/* Must be called with OBJECTS_LOCK taken */
static void
_process_pending_entries (GnlComposition * comp)
@ -2414,8 +2439,7 @@ _deactivate_stack (GnlComposition * comp)
{
GstPad *ptarget;
gst_element_set_locked_state (comp->priv->current_bin, TRUE);
gst_element_set_state (comp->priv->current_bin, GST_STATE_READY);
_set_current_bin_to_ready (comp);
ptarget = gst_ghost_pad_get_target (GST_GHOST_PAD (GNL_OBJECT_SRC (comp)));
_empty_bin (GST_BIN_CAST (comp->priv->current_bin));