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Fix segfaults caused by last checkin and add a few more checks.

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Original commit message from CVS:
Fix segfaults caused by last checkin and add a few more checks.
This commit is contained in:
David Schleef 2004-01-03 10:39:57 +00:00
parent 599926b18e
commit 582fdaa3b2
1 changed files with 5 additions and 10 deletions
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15
gst/gstpad.c
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@ -900,7 +900,7 @@ gst_pad_unlink (GstPad *srcpad,
src_sched = gst_pad_get_scheduler (GST_PAD (realsrc));
sink_sched = gst_pad_get_scheduler (GST_PAD (realsink));
gst_pad_link_free (GST_RPAD_LINK (realsrc));
if (GST_RPAD_LINK (realsrc)) gst_pad_link_free (GST_RPAD_LINK (realsrc));
/* first clear peers */
GST_RPAD_PEER (realsrc) = NULL;
@ -993,8 +993,6 @@ gst_pad_link_free (GstPadLink *link)
if (link->sinkcaps) gst_caps_free (link->sinkcaps);
if (link->filtercaps) gst_caps_free (link->filtercaps);
if (link->caps) gst_caps_free (link->caps);
GST_RPAD_LINK (link->srcpad) = NULL;
GST_RPAD_LINK (link->sinkpad) = NULL;
#ifdef USE_POISONING
memset(link,0xff, sizeof(*link));
#endif
@ -2454,7 +2452,6 @@ gst_pad_get_peer (GstPad *pad)
GstCaps*
gst_pad_get_allowed_caps (GstPad *pad)
{
GstRealPad *realpad;
const GstCaps *mycaps;
GstCaps *caps;
GstCaps *peercaps;
@ -2462,23 +2459,21 @@ gst_pad_get_allowed_caps (GstPad *pad)
GstPadLink *link;
g_return_val_if_fail (pad != NULL, NULL);
g_return_val_if_fail (GST_IS_PAD (pad), NULL);
realpad = GST_PAD_REALIZE (pad);
g_return_val_if_fail (GST_IS_REAL_PAD (pad), NULL);
GST_CAT_DEBUG (GST_CAT_PROPERTIES, "get allowed caps of %s:%s",
GST_DEBUG_PAD_NAME (pad));
mycaps = gst_pad_get_pad_template_caps (pad);
if (GST_RPAD_PEER (realpad) == NULL) {
if (GST_RPAD_PEER (pad) == NULL) {
return gst_caps_copy (mycaps);
}
peercaps = gst_pad_get_caps (GST_PAD_PEER (realpad));
peercaps = gst_pad_get_caps (GST_PAD_PEER (pad));
caps = gst_caps_intersect (mycaps, peercaps);
gst_caps_free (peercaps);
link = GST_RPAD_LINK (realpad);
link = GST_RPAD_LINK (pad);
if (link->filtercaps) {
icaps = gst_caps_intersect (caps, link->filtercaps);
gst_caps_free (caps);