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adder: only unflush when we flushed before

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Ass suggested by Stefan Kost:
Keep track of when the sinkpad was set to flushing and unflush the pad when an
upstream flushing seek failed.
This commit is contained in:
Wim Taymans 2009-06-23 18:07:31 +02:00
parent 5974042bba
commit 09737d728b
1 changed files with 22 additions and 7 deletions
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29
gst/adder/gstadder.c
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@ -568,21 +568,33 @@ gst_adder_query (GstPad * pad, GstQuery * query)
return res;
}
static gboolean
forward_event_func (GstPad * pad, GValue * ret, GstEvent * event)
typedef struct
{
GstEvent *event;
gboolean flush;
} EventData;
static gboolean
forward_event_func (GstPad * pad, GValue * ret, EventData * data)
{
GstEvent *event = data->event;
gst_event_ref (event);
GST_LOG_OBJECT (pad, "About to send event %s", GST_EVENT_TYPE_NAME (event));
if (!gst_pad_push_event (pad, event)) {
g_value_set_boolean (ret, FALSE);
GST_WARNING_OBJECT (pad, "Sending event %p (%s) failed.",
event, GST_EVENT_TYPE_NAME (event));
gst_pad_send_event (pad, gst_event_new_flush_stop ());
/* quick hack to unflush the pads, ideally we need a way to just unflush
* this single collect pad */
if (data->flush)
gst_pad_send_event (pad, gst_event_new_flush_stop ());
} else {
GST_LOG_OBJECT (pad, "Sent event %p (%s).",
event, GST_EVENT_TYPE_NAME (event));
}
gst_object_unref (pad);
/* continue on other pads, even if one failed */
return TRUE;
}
@ -594,24 +606,27 @@ forward_event_func (GstPad * pad, GValue * ret, GstEvent * event)
* sinkpads.
*/
static gboolean
forward_event (GstAdder * adder, GstEvent * event)
forward_event (GstAdder * adder, GstEvent * event, gboolean flush)
{
gboolean ret;
GstIterator *it;
GstIteratorResult ires;
GValue vret = { 0 };
EventData data;
GST_LOG_OBJECT (adder, "Forwarding event %p (%s)", event,
GST_EVENT_TYPE_NAME (event));
ret = TRUE;
data.event = event;
data.flush = flush;
g_value_init (&vret, G_TYPE_BOOLEAN);
g_value_set_boolean (&vret, TRUE);
it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (adder));
while (TRUE) {
ires = gst_iterator_fold (it, (GstIteratorFoldFunction) forward_event_func,
&vret, event);
&vret, &data);
switch (ires) {
case GST_ITERATOR_RESYNC:
GST_WARNING ("resync");
@ -688,7 +703,7 @@ gst_adder_src_event (GstPad * pad, GstEvent * event)
GST_DEBUG_OBJECT (adder, "forwarding seek event: %" GST_PTR_FORMAT,
event);
result = forward_event (adder, event);
result = forward_event (adder, event, flush);
if (!result) {
/* seek failed. maybe source is a live source. */
GST_DEBUG_OBJECT (adder, "seeking failed");
@ -711,7 +726,7 @@ gst_adder_src_event (GstPad * pad, GstEvent * event)
/* just forward the rest for now */
GST_DEBUG_OBJECT (adder, "forward unhandled event: %s",
GST_EVENT_TYPE_NAME (event));
result = forward_event (adder, event);
result = forward_event (adder, event, FALSE);
break;
}
gst_object_unref (adder);