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fixes #116146

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Original commit message from CVS:
fixes #116146
This commit is contained in:
Thomas Vander Stichele 2003-08-26 10:49:06 +00:00
parent 574f3b3d18
commit b10874a099
1 changed files with 20 additions and 8 deletions
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28
gst/schedulers/gstoptimalscheduler.c
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@ -1360,6 +1360,7 @@ gst_opt_scheduler_add_element (GstScheduler *sched, GstElement *element)
{
GstOptScheduler *osched = GST_OPT_SCHEDULER_CAST (sched);
GstOptSchedulerCtx *ctx;
GList *pads;
GST_INFO (GST_CAT_SCHEDULING, "adding element \"%s\" to scheduler", GST_ELEMENT_NAME (element));
@ -1371,6 +1372,19 @@ gst_opt_scheduler_add_element (GstScheduler *sched, GstElement *element)
GST_ELEMENT_SCHED_CONTEXT (element) = ctx;
ctx->flags = GST_OPT_SCHEDULER_CTX_DISABLED;
/* set event handler on all pads here so events work unconnected too;
* in _link, it can be overruled if need be */
/* FIXME: we should also do this when new pads on the element are created;
but there are no hooks, so we do it again in _link */
pads = gst_element_get_pad_list (element);
while (pads) {
GstPad *pad = GST_PAD (pads->data);
pads = g_list_next (pads);
if (!GST_IS_REAL_PAD (pad)) continue;
GST_RPAD_EVENTHANDLER (pad) = GST_RPAD_EVENTFUNC (pad);
}
/* loop based elements *always* end up in their own group. It can eventually
* be merged with another group when a link is made */
if (element->loopfunc) {
@ -1541,6 +1555,11 @@ gst_opt_scheduler_pad_link (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad
type = GST_OPT_CHAIN_TO_CHAIN;
}
}
/* since we can't set event handlers on pad creation after addition, it is
* best we set all of them again to the default before linking */
GST_RPAD_EVENTHANDLER (srcpad) = GST_RPAD_EVENTFUNC (srcpad);
GST_RPAD_EVENTHANDLER (sinkpad) = GST_RPAD_EVENTFUNC (sinkpad);
/* for each link type, perform specific actions */
switch (type) {
@ -1556,8 +1575,6 @@ gst_opt_scheduler_pad_link (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad
GST_RPAD_CHAINHANDLER (sinkpad) = GST_RPAD_CHAINFUNC (sinkpad);
else
GST_RPAD_CHAINHANDLER (sinkpad) = gst_opt_scheduler_chain_wrapper;
GST_RPAD_EVENTHANDLER (srcpad) = GST_RPAD_EVENTFUNC (srcpad);
GST_RPAD_EVENTHANDLER (sinkpad) = GST_RPAD_EVENTFUNC (sinkpad);
/* the two elements should be put into the same group,
* this also means that they are in the same chain automatically */
@ -1582,8 +1599,6 @@ gst_opt_scheduler_pad_link (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad
GST_RPAD_CHAINHANDLER (sinkpad) = GST_RPAD_CHAINFUNC (sinkpad);
else
GST_RPAD_CHAINHANDLER (sinkpad) = gst_opt_scheduler_chain_wrapper;
GST_RPAD_EVENTHANDLER (srcpad) = GST_RPAD_EVENTFUNC (srcpad);
GST_RPAD_EVENTHANDLER (sinkpad) = GST_RPAD_EVENTFUNC (sinkpad);
/* the two elements should be put into the same group,
* this also means that they are in the same chain automatically,
@ -1595,8 +1610,6 @@ gst_opt_scheduler_pad_link (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad
GST_INFO (GST_CAT_SCHEDULING, "get to loop based link");
GST_RPAD_GETHANDLER (srcpad) = GST_RPAD_GETFUNC (srcpad);
GST_RPAD_EVENTHANDLER (srcpad) = GST_RPAD_EVENTFUNC (srcpad);
GST_RPAD_EVENTHANDLER (sinkpad) = GST_RPAD_EVENTFUNC (sinkpad);
/* the two elements should be put into the same group,
* this also means that they are in the same chain automatically,
@ -1613,9 +1626,8 @@ gst_opt_scheduler_pad_link (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad
GST_RPAD_CHAINHANDLER (sinkpad) = gst_opt_scheduler_loop_wrapper;
GST_RPAD_GETHANDLER (srcpad) = gst_opt_scheduler_get_wrapper;
GST_RPAD_EVENTHANDLER (sinkpad) = GST_RPAD_EVENTFUNC (sinkpad);
/* events on the srcpad have to be intercepted as we might need to
* flush the buffer lists */
* flush the buffer lists, so override the given eventfunc */
GST_RPAD_EVENTHANDLER (srcpad) = gst_opt_scheduler_event_wrapper;
group1 = GST_ELEMENT_SCHED_GROUP (element1);