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[MOVED FROM GST-P-FARSIGHT] Import adder src event handling
20080402224612-3e2dc-21a682b18fe18782bf7fa48983c13c1ad86dc5a1.gz
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1 changed files with 85 additions and 0 deletions
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@ -115,6 +115,8 @@ static GstCaps *
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gst_live_adder_sink_getcaps (GstPad * pad);
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static gboolean
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gst_live_adder_src_activate_push (GstPad * pad, gboolean active);
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static gboolean
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gst_live_adder_src_event (GstPad * pad, GstEvent * event);
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static void
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gst_live_adder_loop (gpointer data);
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@ -222,6 +224,8 @@ gst_live_adder_init (GstLiveAdder * adder, GstLiveAdderClass *klass)
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GST_DEBUG_FUNCPTR (gst_live_adder_setcaps));
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gst_pad_set_query_function (adder->srcpad,
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GST_DEBUG_FUNCPTR (gst_live_adder_query));
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gst_pad_set_event_function (adder->srcpad,
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GST_DEBUG_FUNCPTR (gst_live_adder_src_event));
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gst_pad_set_activatepush_function (adder->srcpad,
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GST_DEBUG_FUNCPTR (gst_live_adder_src_activate_push));
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gst_element_add_pad (GST_ELEMENT (adder), adder->srcpad);
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@ -680,6 +684,87 @@ gst_live_adder_query (GstPad * pad, GstQuery * query)
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return res;
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}
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static gboolean
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forward_event_func (GstPad * pad, GValue * ret, GstEvent * event)
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{
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gst_event_ref (event);
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GST_LOG_OBJECT (pad, "About to send event %s", GST_EVENT_TYPE_NAME (event));
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if (!gst_pad_push_event (pad, event)) {
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g_value_set_boolean (ret, FALSE);
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GST_WARNING_OBJECT (pad, "Sending event %p (%s) failed.",
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event, GST_EVENT_TYPE_NAME (event));
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} else {
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GST_LOG_OBJECT (pad, "Sent event %p (%s).",
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event, GST_EVENT_TYPE_NAME (event));
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}
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gst_object_unref (pad);
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return TRUE;
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}
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/* forwards the event to all sinkpads, takes ownership of the
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* event
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*
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* Returns: TRUE if the event could be forwarded on all
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* sinkpads.
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*/
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static gboolean
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forward_event (GstLiveAdder * adder, GstEvent * event)
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{
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gboolean ret;
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GstIterator *it;
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GValue vret = { 0 };
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GST_LOG_OBJECT (adder, "Forwarding event %p (%s)", event,
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GST_EVENT_TYPE_NAME (event));
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ret = TRUE;
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g_value_init (&vret, G_TYPE_BOOLEAN);
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g_value_set_boolean (&vret, TRUE);
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it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (adder));
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gst_iterator_fold (it, (GstIteratorFoldFunction) forward_event_func, &vret,
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event);
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gst_iterator_free (it);
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gst_event_unref (event);
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ret = g_value_get_boolean (&vret);
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return ret;
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}
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static gboolean
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gst_live_adder_src_event (GstPad * pad, GstEvent * event)
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{
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GstLiveAdder *adder;
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gboolean result;
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adder = GST_LIVE_ADDER (gst_pad_get_parent (pad));
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_QOS:
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/* QoS might be tricky */
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result = FALSE;
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break;
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case GST_EVENT_SEEK:
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/* I'm not certain how to handle seeks yet */
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result = FALSE;
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break;
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case GST_EVENT_NAVIGATION:
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/* navigation is rather pointless. */
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result = FALSE;
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break;
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default:
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/* just forward the rest for now */
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result = forward_event (adder, event);
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break;
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}
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gst_object_unref (adder);
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return result;
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}
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static guint
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gst_live_adder_length_from_duration (GstLiveAdder *adder, GstClockTime duration)
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{
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