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gst/gstpad.c (gst_pad_link_prepare): Re-add gst_pad_link_prepare. Please email the list with specific reasons for rev...

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Original commit message from CVS:
2004-02-25  Andy Wingo  <wingo@pobox.com>

* gst/gstpad.c (gst_pad_link_prepare): Re-add
gst_pad_link_prepare. Please email the list with specific reasons
for reverting.

----------------------------------------------------------------------
This commit is contained in:
Andy Wingo 2004-02-25 14:16:24 +00:00
parent 3f5a8814d5
commit bc13ad8a9e
2 changed files with 60 additions and 5 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2004-02-25 Andy Wingo <wingo@pobox.com>
* gst/gstpad.c (gst_pad_link_prepare): Re-add
gst_pad_link_prepare. Please email the list with specific reasons
for reverting.
2004-02-24 Andy Wingo <wingo@pobox.com>
* gst/gstelement.c (gst_element_dispose): Protect against multiple

59
gst/gstpad.c
View file

@ -1552,11 +1552,6 @@ gst_pad_can_link_filtered (GstPad *srcpad, GstPad *sinkpad,
realsrc = GST_PAD_REALIZE (srcpad);
realsink = GST_PAD_REALIZE (sinkpad);
g_return_val_if_fail (GST_RPAD_PEER (realsrc) == NULL, NULL);
g_return_val_if_fail (GST_RPAD_PEER (realsink) == NULL, NULL);
g_return_val_if_fail (GST_PAD_PARENT (realsrc) != NULL, NULL);
g_return_val_if_fail (GST_PAD_PARENT (realsink) != NULL, NULL);
if ((GST_PAD (realsrc) != srcpad) || (GST_PAD (realsink) != sinkpad)) {
GST_CAT_INFO (GST_CAT_PADS, "*actually* linking %s:%s and %s:%s",
GST_DEBUG_PAD_NAME (realsrc), GST_DEBUG_PAD_NAME (realsink));
@ -2089,6 +2084,60 @@ gst_pad_unnegotiate (GstPad *pad)
gst_pad_link_unnegotiate (link);
}
/* returning NULL indicates that the arguments are invalid */
static GstPadLink*
gst_pad_link_prepare (GstPad *srcpad, GstPad *sinkpad,
const GstCaps *filtercaps)
{
GstRealPad *realsrc, *realsink;
GstPadLink *link;
g_return_val_if_fail (GST_IS_PAD (srcpad), NULL);
g_return_val_if_fail (GST_IS_PAD (sinkpad), NULL);
realsrc = GST_PAD_REALIZE (srcpad);
realsink = GST_PAD_REALIZE (sinkpad);
if ((GST_PAD (realsrc) != srcpad) || (GST_PAD (realsink) != sinkpad)) {
GST_CAT_DEBUG (GST_CAT_PADS, "*actually* linking %s:%s and %s:%s",
GST_DEBUG_PAD_NAME (realsrc), GST_DEBUG_PAD_NAME (realsink));
}
g_return_val_if_fail (GST_RPAD_PEER (realsrc) == NULL, NULL);
g_return_val_if_fail (GST_RPAD_PEER (realsink) == NULL, NULL);
g_return_val_if_fail (GST_PAD_PARENT (realsrc) != NULL, NULL);
g_return_val_if_fail (GST_PAD_PARENT (realsink) != NULL, NULL);
if (!gst_pad_check_schedulers (realsrc, realsink)) {
g_warning ("linking pads with different scheds requires "
"exactly one decoupled element (such as queue)");
return NULL;
}
if (GST_RPAD_DIRECTION (realsrc) == GST_RPAD_DIRECTION (realsink)) {
g_warning ("%s:%s and %s:%s are both %s pads, failed",
GST_DEBUG_PAD_NAME (realsrc), GST_DEBUG_PAD_NAME (realsink),
GST_RPAD_DIRECTION (realsrc) == GST_PAD_SRC ? "src" : "sink");
return NULL;
}
link = gst_pad_link_new ();
if (GST_RPAD_DIRECTION (realsrc) == GST_PAD_SRC) {
link->srcpad = GST_PAD (realsrc);
link->sinkpad = GST_PAD (realsink);
} else {
link->srcpad = GST_PAD (realsink);
link->sinkpad = GST_PAD (realsrc);
}
link->srccaps = gst_pad_get_caps (link->srcpad);
link->sinkcaps = gst_pad_get_caps (link->sinkpad);
if (filtercaps) link->filtercaps = gst_caps_copy (filtercaps);
return link;
}
/**
* gst_pad_try_relink_filtered:
* @srcpad: the source #GstPad to relink.