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GESTimeline: Freeze state of Tracks when doing an async state change

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This commit is contained in:
Edward Hervey 2010-05-25 16:22:58 +02:00
parent 9dd1d7f1ba
commit 8193fe5b4c
1 changed files with 15 additions and 0 deletions
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15
ges/ges-timeline.c
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@ -271,9 +271,16 @@ static void
do_async_start (GESTimeline * timeline)
{
GstMessage *message;
GList *tmp;
timeline->async_pending = TRUE;
/* Freeze state of tracks */
for (tmp = timeline->tracks; tmp; tmp = tmp->next) {
TrackPrivate *priv = (TrackPrivate *) tmp->data;
gst_element_set_locked_state ((GstElement *) priv->track, TRUE);
}
message = gst_message_new_async_start (GST_OBJECT_CAST (timeline), FALSE);
parent_class->handle_message (GST_BIN_CAST (timeline), message);
}
@ -284,6 +291,14 @@ do_async_done (GESTimeline * timeline)
GstMessage *message;
if (timeline->async_pending) {
GList *tmp;
/* Unfreeze state of tracks */
for (tmp = timeline->tracks; tmp; tmp = tmp->next) {
TrackPrivate *priv = (TrackPrivate *) tmp->data;
gst_element_set_locked_state ((GstElement *) priv->track, FALSE);
gst_element_sync_state_with_parent ((GstElement *) priv->track);
}
GST_DEBUG_OBJECT (timeline, "Emitting async-done");
message = gst_message_new_async_done (GST_OBJECT_CAST (timeline));
parent_class->handle_message (GST_BIN_CAST (timeline), message);