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Some cleanups, refactor some code, make sure the decoupled peer element has the right handlers

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Original commit message from CVS:
Some cleanups, refactor some code, make sure the decoupled peer element
has the right handlers
This commit is contained in:
Wim Taymans 2002-06-04 21:03:35 +00:00
parent 9c06c22359
commit 62cea79ba7
1 changed files with 35 additions and 13 deletions
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38
gst/schedulers/gstbasicscheduler.c
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@ -559,19 +559,42 @@ gst_basic_scheduler_cothreaded_chain (GstBin * bin, GstSchedulerChain * chain)
continue;
peerpad = GST_PAD_PEER (pad);
if (peerpad) {
GstElement *peerelement = GST_ELEMENT_CAST (GST_PAD_PARENT (peerpad));
gboolean different_sched = (peerelement->sched != GST_SCHEDULER (chain->sched));
gboolean peer_decoupled = GST_FLAG_IS_SET (peerelement, GST_ELEMENT_DECOUPLED);
/* if the element is DECOUPLED or outside the manager, we have to chain */
if ((wrapper_function == NULL) ||
(peerpad && (GST_ELEMENT_CAST (GST_PAD_PARENT (peerpad))->sched != GST_SCHEDULER (chain->sched)))) {
GST_DEBUG (GST_CAT_SCHEDULING, "inspecting pad %s:%s", GST_DEBUG_PAD_NAME (peerpad));
if (!decoupled && GST_RPAD_PEER (pad) &&
!GST_FLAG_IS_SET (GST_PAD_PARENT (peerpad), GST_ELEMENT_DECOUPLED)) {
/* whoa non decoupled with different schedulers */
/* we don't need to check this for decoupled elements */
if (!decoupled) {
/* if the peer element is in another schedule, it's not decoupled and we are not decoupled
* either, we have an error */
if (different_sched && !peer_decoupled)
{
gst_element_error (element, "element \"%s\" is not decoupled but has pads in different schedulers",
GST_ELEMENT_NAME (element), NULL);
return FALSE;
}
/* ok, the peer is in a different scheduler and is decoupled, we need to set the
* handlers so we can talk with it */
else if (different_sched) {
if (GST_RPAD_DIRECTION (peerpad) == GST_PAD_SINK) {
GST_DEBUG (GST_CAT_SCHEDULING, "copying chain function into push proxy for peer %s:%s",
GST_DEBUG_PAD_NAME (peerpad));
GST_RPAD_CHAINHANDLER (peerpad) = GST_RPAD_CHAINFUNC (peerpad);
}
else {
GST_DEBUG (GST_CAT_SCHEDULING, "copying get function into pull proxy for peer %s:%s",
GST_DEBUG_PAD_NAME (peerpad));
GST_RPAD_GETHANDLER (peerpad) = GST_RPAD_GETFUNC (peerpad);
}
}
}
}
/* if the element is DECOUPLED or outside the manager, we have to chain */
if (decoupled) {
/* set the chain proxies */
if (GST_RPAD_DIRECTION (pad) == GST_PAD_SINK) {
GST_DEBUG (GST_CAT_SCHEDULING, "copying chain function into push proxy for %s:%s",
@ -583,11 +606,10 @@ gst_basic_scheduler_cothreaded_chain (GstBin * bin, GstSchedulerChain * chain)
GST_DEBUG_PAD_NAME (pad));
GST_RPAD_GETHANDLER (pad) = GST_RPAD_GETFUNC (pad);
}
}
/* otherwise we really are a cothread */
else {
if (gst_pad_get_direction (pad) == GST_PAD_SINK) {
if (GST_RPAD_DIRECTION (pad) == GST_PAD_SINK) {
GST_DEBUG (GST_CAT_SCHEDULING, "setting cothreaded push proxy for sinkpad %s:%s",
GST_DEBUG_PAD_NAME (pad));
GST_RPAD_CHAINHANDLER (pad) = GST_DEBUG_FUNCPTR (gst_basic_scheduler_chainhandler_proxy);