static void
gst_funnel_release_pad (GstElement * element, GstPad * pad)
{
GstFunnel *funnel = GST_FUNNEL (element);
GstFunnelPad *fpad = GST_FUNNEL_PAD_CAST (pad);
gboolean got_eos;
gboolean send_eos = FALSE;
GST_DEBUG_OBJECT (funnel, "releasing pad %s:%s", GST_DEBUG_PAD_NAME (pad));
gst_pad_set_active (pad, FALSE);
got_eos = fpad->got_eos;
gst_element_remove_pad (GST_ELEMENT_CAST (funnel), pad);
GST_OBJECT_LOCK (funnel);
if (!got_eos && gst_funnel_all_sinkpads_eos_unlocked (funnel, NULL)) {
GST_DEBUG_OBJECT (funnel, "Pad removed. All others are EOS. Sending EOS");
send_eos = TRUE;
}
GST_OBJECT_UNLOCK (funnel);
if (send_eos)
if (!gst_pad_push_event (funnel->srcpad, gst_event_new_eos ()))
GST_WARNING_OBJECT (funnel, "Failure pushing EOS");
}
static void
gst_funnel_pad_finalize (GObject * gobject)
{
GstFunnelPad *pad = GST_FUNNEL_PAD_CAST (gobject);
g_slist_free_full (pad->events_sent, (GDestroyNotify) gst_event_unref);
G_OBJECT_CLASS (gst_funnel_pad_parent_class)->finalize (gobject);
}
static gboolean
gst_funnel_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstFunnel *funnel = GST_FUNNEL (parent);
GstFunnelPad *fpad = GST_FUNNEL_PAD_CAST (pad);
gboolean forward = TRUE;
gboolean res = TRUE;
gboolean unlock = FALSE;
GST_DEBUG_OBJECT (pad, "received event %" GST_PTR_FORMAT, event);
if (GST_EVENT_IS_STICKY (event)) {
unlock = TRUE;
GST_PAD_STREAM_LOCK (funnel->srcpad);
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
GST_OBJECT_LOCK (funnel);
fpad->got_eos = TRUE;
if (!gst_funnel_all_sinkpads_eos_unlocked (funnel, pad)) {
forward = FALSE;
} else {
forward = TRUE;
}
GST_OBJECT_UNLOCK (funnel);
} else if (pad != funnel->last_sinkpad) {
forward = FALSE;
}
} else if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP) {
unlock = TRUE;
GST_PAD_STREAM_LOCK (funnel->srcpad);
GST_OBJECT_LOCK (funnel);
fpad->got_eos = FALSE;
GST_OBJECT_UNLOCK (funnel);
} else if (GST_EVENT_TYPE (event) == GST_EVENT_GAP) {
/* If no data is coming and we receive GAP event, need to forward sticky events. */
unlock = TRUE;
GST_PAD_STREAM_LOCK (funnel->srcpad);
GST_OBJECT_LOCK (funnel);
gst_object_replace ((GstObject **) & funnel->last_sinkpad,
GST_OBJECT (pad));
GST_OBJECT_UNLOCK (funnel);
gst_pad_sticky_events_foreach (pad, forward_events, funnel->srcpad);
}
if (forward)
res = gst_pad_push_event (funnel->srcpad, event);
else
gst_event_unref (event);
if (unlock)
GST_PAD_STREAM_UNLOCK (funnel->srcpad);
return res;
}
static void
reset_pad (const GValue * data, gpointer user_data)
{
GstPad *pad = g_value_get_object (data);
GstFunnelPad *fpad = GST_FUNNEL_PAD_CAST (pad);
GstFunnel *funnel = user_data;
GST_OBJECT_LOCK (funnel);
fpad->got_eos = FALSE;
GST_OBJECT_UNLOCK (funnel);
}
static void
reset_pad (const GValue * data, gpointer user_data)
{
GstPad *pad = g_value_get_object (data);
GstFunnelPad *fpad = GST_FUNNEL_PAD_CAST (pad);
GstFunnel *funnel = user_data;
GST_OBJECT_LOCK (funnel);
g_slist_free_full (fpad->events_sent, (GDestroyNotify) gst_event_unref);
fpad->events_sent = NULL;
fpad->got_eos = FALSE;
GST_OBJECT_UNLOCK (funnel);
}
static gboolean
forward_event_on_stream_changed (GstFunnel * funnel, GstPad * sinkpad,
GstEvent * event)
{
GstFunnelPad *funnelpad = GST_FUNNEL_PAD_CAST (sinkpad);
gboolean ret = TRUE;
if (funnel->last_sinkpad == NULL || funnel->forward_sticky_events_mode ==
GST_FUNNEL_FORWARD_STICKY_EVENTS_MODE_ALWAYS) {
GST_DEBUG_OBJECT (sinkpad, "Forwarding event %" GST_PTR_FORMAT, event);
ret = gst_pad_push_event (funnel->srcpad, gst_event_ref (event));
} else if ((funnel->forward_sticky_events_mode ==
GST_FUNNEL_FORWARD_STICKY_EVENTS_MODE_ONCE)
&& (g_slist_find (funnelpad->events_sent, event) == NULL)) {
GST_DEBUG_OBJECT (sinkpad, "Forwarding event %" GST_PTR_FORMAT, event);
ret = gst_pad_push_event (funnel->srcpad, gst_event_ref (event));
funnelpad->events_sent =
g_slist_prepend (funnelpad->events_sent, gst_event_ref (event));
}
return ret;
}
static gboolean
gst_funnel_all_sinkpads_eos_unlocked (GstFunnel * funnel, GstPad * pad)
{
GstElement *element = GST_ELEMENT_CAST (funnel);
GList *item;
gboolean all_eos = FALSE;
if (element->numsinkpads == 0)
goto done;
for (item = element->sinkpads; item != NULL; item = g_list_next (item)) {
GstFunnelPad *sinkpad = GST_FUNNEL_PAD_CAST (item->data);
if (!sinkpad->got_eos) {
return FALSE;
}
}
all_eos = TRUE;
done:
return all_eos;
}
