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inputselector: Forward all sticky events when switching pads

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This commit is contained in:
Sebastian Dröge 2012-04-16 10:22:53 +02:00
parent d2811b19f2
commit 3146282d48
1 changed files with 36 additions and 35 deletions
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71
plugins/elements/gstinputselector.c
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@ -146,7 +146,7 @@ struct _GstSelectorPad
GstSegment segment; /* the current segment on the pad */
guint32 segment_seqnum; /* sequence number of the current segment */
gboolean segment_pending;
gboolean events_pending; /* TRUE if sticky events need to be updated */
};
struct _GstSelectorPadClass
@ -307,7 +307,7 @@ gst_selector_pad_reset (GstSelectorPad * pad)
pad->pushed = FALSE;
pad->eos = FALSE;
pad->eos_sent = FALSE;
pad->segment_pending = FALSE;
pad->events_pending = FALSE;
pad->discont = FALSE;
pad->flushing = FALSE;
pad->position = GST_CLOCK_TIME_NONE;
@ -401,15 +401,6 @@ gst_selector_pad_event (GstPad * pad, GstObject * parent, GstEvent * event)
GST_DEBUG_OBJECT (pad, "configured SEGMENT %" GST_SEGMENT_FORMAT,
&selpad->segment);
/* If we aren't forwarding the event because the pad is not the
* active_sinkpad, then set the flag on the pad
* that says a segment needs sending if/when that pad is activated.
* For all other cases, we send the event immediately, which makes
* sparse streams and other segment updates work correctly downstream.
*/
if (!forward)
selpad->segment_pending = TRUE;
GST_OBJECT_UNLOCK (selpad);
GST_INPUT_SELECTOR_UNLOCK (sel);
break;
@ -462,8 +453,17 @@ gst_selector_pad_event (GstPad * pad, GstObject * parent, GstEvent * event)
if (forward) {
GST_DEBUG_OBJECT (pad, "forwarding event");
res = gst_pad_push_event (sel->srcpad, event);
} else
} else {
/* If we aren't forwarding the event because the pad is not the
* active_sinkpad, then set the flag on the pad
* that says a segment needs sending if/when that pad is activated.
* For all other cases, we send the event immediately, which makes
* sparse streams and other segment updates work correctly downstream.
*/
if (GST_EVENT_IS_STICKY (event))
selpad->events_pending = TRUE;
gst_event_unref (event);
}
return res;
}
@ -594,6 +594,21 @@ gst_input_selector_wait_running_time (GstInputSelector * sel,
return (sel->flushing || pad->flushing);
}
static gboolean
forward_sticky_events (GstPad * sinkpad, GstEvent ** event, gpointer user_data)
{
GstInputSelector *sel = GST_INPUT_SELECTOR (user_data);
if (GST_EVENT_TYPE (*event) == GST_EVENT_SEGMENT) {
GstSegment *seg = &GST_SELECTOR_PAD (sinkpad)->segment;
gst_pad_push_event (sel->srcpad, gst_event_new_segment (seg));
} else {
gst_pad_push_event (sel->srcpad, gst_event_ref (*event));
}
return TRUE;
}
static GstFlowReturn
gst_selector_pad_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
@ -604,12 +619,9 @@ gst_selector_pad_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
GstPad *prev_active_sinkpad;
GstSelectorPad *selpad;
GstClockTime start_time;
GstSegment *seg;
GstEvent *start_event = NULL;
sel = GST_INPUT_SELECTOR (parent);
selpad = GST_SELECTOR_PAD_CAST (pad);
seg = &selpad->segment;
GST_INPUT_SELECTOR_LOCK (sel);
/* wait or check for flushing */
@ -642,6 +654,7 @@ gst_selector_pad_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
GST_OBJECT_LOCK (pad);
selpad->position = start_time;
selpad->segment.position = start_time;
GST_OBJECT_UNLOCK (pad);
}
@ -653,31 +666,19 @@ gst_selector_pad_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
if (sel->sync_streams)
GST_INPUT_SELECTOR_BROADCAST (sel);
/* if we have a pending segment, push it out now */
if (G_UNLIKELY (prev_active_sinkpad != active_sinkpad
|| selpad->segment_pending)) {
if (G_UNLIKELY (seg->format == GST_FORMAT_UNDEFINED)) {
GST_ERROR_OBJECT (pad, "Buffers arrived before NEWSEGMENT event");
} else {
GST_DEBUG_OBJECT (pad,
"pushing pending NEWSEGMENT update %d, rate %lf, applied rate %lf, "
"format %d, " "%" G_GINT64_FORMAT " -- %" G_GINT64_FORMAT ", time %"
G_GINT64_FORMAT, FALSE, seg->rate, seg->applied_rate, seg->format,
seg->start, seg->stop, seg->time);
start_event = gst_event_new_segment (seg);
gst_event_set_seqnum (start_event, selpad->segment_seqnum);
selpad->segment_pending = FALSE;
}
}
GST_INPUT_SELECTOR_UNLOCK (sel);
if (prev_active_sinkpad != active_sinkpad && pad == active_sinkpad) {
g_object_notify (G_OBJECT (sel), "active-pad");
}
if (start_event)
gst_pad_push_event (sel->srcpad, start_event);
/* if we have a pending events, push them now */
if (G_UNLIKELY (prev_active_sinkpad != active_sinkpad
|| selpad->events_pending)) {
gst_pad_sticky_events_foreach (GST_PAD_CAST (selpad), forward_sticky_events,
sel);
selpad->events_pending = FALSE;
}
if (selpad->discont) {
buf = gst_buffer_make_writable (buf);
@ -924,7 +925,7 @@ gst_input_selector_set_active_pad (GstInputSelector * self, GstPad * pad)
/* Send a new SEGMENT event on the new pad next */
if (old != new && new)
new->segment_pending = TRUE;
new->events_pending = TRUE;
active_pad_p = &self->active_sinkpad;
gst_object_replace ((GstObject **) active_pad_p, GST_OBJECT_CAST (pad));