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; }