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composition: Clear the old stack when removing children that where used

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Co-Authored by: Mathieu Duponchelle <mathieu.duponchelle@opencreed.com>
This commit is contained in:
Thibault Saunier 2014-07-07 22:33:09 +02:00
parent e522427cb4
commit 5efd167bf2
1 changed files with 29 additions and 12 deletions
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31
gnl/gnlcomposition.c
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@ -232,6 +232,7 @@ static gboolean
_gnl_composition_add_entry (GnlComposition * comp, GnlObject * object);
static gboolean
_gnl_composition_remove_entry (GnlComposition * comp, GnlObject * object);
static void _deactivate_stack (GnlComposition * comp);
/* COMP_REAL_START: actual position to start current playback at. */
@ -2050,19 +2051,36 @@ set_child_caps (GValue * item, GValue * ret G_GNUC_UNUSED, GnlObject * comp)
}
/* Must be called with OBJECTS_LOCK and PENDING_IO_LOCK taken */
static gboolean
_process_pending_entry (GnlObject * object,
GnlObject * unused_object G_GNUC_UNUSED, GnlComposition * comp)
/* Must be called with OBJECTS_LOCK taken */
static void
_process_pending_entries (GnlComposition * comp)
{
GnlObject *object;
GHashTableIter iter;
gboolean deactivated_stack = FALSE;
GnlCompositionPrivate *priv = comp->priv;
g_hash_table_iter_init (&iter, priv->pending_io);
while (g_hash_table_iter_next (&iter, (gpointer *) & object, NULL)) {
GnlCompositionEntry *entry = COMP_ENTRY (comp, object);
if (entry) {
if (GST_OBJECT_PARENT (object) == GST_OBJECT_CAST (priv->current_bin) &&
deactivated_stack == FALSE) {
deactivated_stack = TRUE;
_deactivate_stack (comp);
}
_gnl_composition_remove_entry (comp, object);
} else {
_gnl_composition_add_entry (comp, object);
}
}
return TRUE;
g_hash_table_remove_all (priv->pending_io);
}
static gboolean
@ -2076,9 +2094,7 @@ _commit_func (GnlComposition * comp)
GST_ERROR_OBJECT (object, "Commiting state");
COMP_OBJECTS_LOCK (comp);
g_hash_table_foreach_remove (priv->pending_io,
(GHRFunc) _process_pending_entry, comp);
_process_pending_entries (comp);
for (tmp = priv->objects_start; tmp; tmp = tmp->next) {
if (gnl_object_commit (tmp->data, TRUE))
commited = TRUE;
@ -2087,6 +2103,7 @@ _commit_func (GnlComposition * comp)
GST_DEBUG_OBJECT (object, "Linking up commit vmethod");
if (commited == FALSE &&
(GNL_OBJECT_CLASS (parent_class)->commit (object, TRUE) == FALSE)) {
COMP_OBJECTS_UNLOCK (comp);
GST_ERROR_OBJECT (object, "Nothing to commit, leaving");
g_signal_emit (comp, _signals[COMMITED_SIGNAL], 0, FALSE);