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pad linking fixes

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Original commit message from CVS:
pad linking fixes
This commit is contained in:
David Schleef 2003-11-29 00:10:08 +00:00
parent 69b81fd198
commit 76506cab71
1 changed files with 33 additions and 18 deletions
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51
gst/gstpad.c
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@ -1323,7 +1323,7 @@ gst_pad_get_ghost_pad_list (GstPad *pad)
* 3. sets fixed caps on the pad.
*/
static GstPadLinkReturn
gst_pad_try_set_caps_func (GstRealPad *pad, const GstCaps2 *caps, gboolean notify)
gst_pad_try_set_caps_func (GstRealPad *pad, GstCaps2 *caps, gboolean notify)
{
GstCaps2 *allowed = NULL;
GstPadTemplate *template;
@ -1443,7 +1443,7 @@ gst_pad_try_set_caps_func (GstRealPad *pad, const GstCaps2 *caps, gboolean notif
GST_CAT_INFO (GST_CAT_CAPS, "setting caps on pad %s:%s",
GST_DEBUG_PAD_NAME (pad));
/* if we got this far all is ok, remove the old caps, set the new one */
gst_caps2_replace (&GST_PAD_CAPS (pad), caps);
gst_caps2_replace (&GST_PAD_CAPS (pad), gst_caps2_copy (caps));
g_object_notify (G_OBJECT (pad), "caps");
}
@ -1472,6 +1472,7 @@ GstPadLinkReturn
gst_pad_try_set_caps (GstPad *pad, const GstCaps2 *caps)
{
GstRealPad *peer, *realpad;
GstCaps2 *mycaps;
GstPadLinkReturn set_retval;
realpad = GST_PAD_REALIZE (pad);
@ -1483,24 +1484,24 @@ gst_pad_try_set_caps (GstPad *pad, const GstCaps2 *caps)
gst_caps2_debug (caps, "caps that we are trying to set");
/* try to take ownership */
caps = gst_caps2_copy (caps);
mycaps = gst_caps2_copy (caps);
/* setting non fixed caps on a pad is not allowed */
if (!gst_caps2_is_fixed (caps)) {
if (!gst_caps2_is_fixed (mycaps)) {
GST_CAT_INFO (GST_CAT_CAPS,
"trying to set unfixed caps on pad %s:%s, not allowed",
GST_DEBUG_PAD_NAME (realpad));
g_warning ("trying to set non fixed caps on pad %s:%s, not allowed",
GST_DEBUG_PAD_NAME (realpad));
gst_caps2_debug (caps, "unfixed caps");
gst_caps2_debug (mycaps, "unfixed caps");
set_retval = GST_PAD_LINK_DELAYED;
goto done;
}
/* if we have a peer try to set the caps, notifying the peerpad
/* if we have a peer, try to set the caps, notifying the peerpad
* if it has a link function */
if (peer && ((set_retval = gst_pad_try_set_caps_func (peer, caps, TRUE)) <= 0))
if (peer && ((set_retval = gst_pad_try_set_caps_func (peer, mycaps, TRUE)) <= 0))
{
GST_CAT_INFO (GST_CAT_CAPS, "tried to set caps on peerpad %s:%s but couldn't, return value %d",
GST_DEBUG_PAD_NAME (peer), set_retval);
@ -1508,14 +1509,14 @@ gst_pad_try_set_caps (GstPad *pad, const GstCaps2 *caps)
}
/* then try to set our own caps, we don't need to be notified */
if ((set_retval = gst_pad_try_set_caps_func (realpad, caps, FALSE)) <= 0)
if ((set_retval = gst_pad_try_set_caps_func (realpad, mycaps, FALSE)) <= 0)
{
GST_CAT_INFO (GST_CAT_CAPS, "tried to set own caps on pad %s:%s but couldn't, return value %d",
GST_DEBUG_PAD_NAME (realpad), set_retval);
goto done;
}
GST_CAT_INFO (GST_CAT_CAPS, "succeeded setting caps %p on pad %s:%s, return value %d",
caps, GST_DEBUG_PAD_NAME (realpad), set_retval);
mycaps, GST_DEBUG_PAD_NAME (realpad), set_retval);
g_assert (GST_PAD_CAPS (pad));
done:
@ -1616,8 +1617,10 @@ gst_pad_try_relink_filtered_func (GstRealPad *srcpad, GstRealPad *sinkpad,
intersection = filtered_intersection;
/* keep a reference to the app caps */
gst_caps2_replace (&GST_RPAD_APPFILTER (realsink), filtercaps);
gst_caps2_replace (&GST_RPAD_APPFILTER (realsrc), filtercaps);
gst_caps2_replace (&GST_RPAD_APPFILTER (realsink),
gst_caps2_copy (filtercaps));
gst_caps2_replace (&GST_RPAD_APPFILTER (realsrc),
gst_caps2_copy (filtercaps));
}
}
GST_CAT_DEBUG (GST_CAT_CAPS, "setting filter for link to:");
@ -1625,8 +1628,8 @@ gst_pad_try_relink_filtered_func (GstRealPad *srcpad, GstRealPad *sinkpad,
/* both the app filter and the filter, while stored on both peer pads,
* are equal to the same thing on both */
gst_caps2_replace (&GST_RPAD_FILTER (realsrc), intersection);
gst_caps2_replace (&GST_RPAD_FILTER (realsink), intersection);
gst_caps2_replace (&GST_RPAD_FILTER (realsrc), gst_caps2_copy (intersection));
gst_caps2_replace (&GST_RPAD_FILTER (realsink), gst_caps2_copy (intersection));
gst_caps2_free (intersection);
return gst_pad_perform_negotiate (GST_PAD (realsrc), GST_PAD (realsink));
@ -1678,6 +1681,7 @@ gst_pad_perform_negotiate (GstPad *srcpad, GstPad *sinkpad)
GST_DEBUG_PAD_NAME (realsrc), GST_DEBUG_PAD_NAME (realsink));
filter = GST_RPAD_APPFILTER (realsrc);
if (filter == NULL) filter = gst_caps2_new_any ();
if (filter) {
GST_CAT_INFO (GST_CAT_PADS, "dumping filter for link %s:%s-%s:%s",
GST_DEBUG_PAD_NAME (realsrc), GST_DEBUG_PAD_NAME (realsink));
@ -1811,6 +1815,7 @@ GstPadLinkReturn
gst_pad_proxy_link (GstPad *pad, const GstCaps2 *caps)
{
GstRealPad *peer, *realpad;
GstCaps2 *mycaps;
realpad = GST_PAD_REALIZE (pad);
@ -1819,19 +1824,21 @@ gst_pad_proxy_link (GstPad *pad, const GstCaps2 *caps)
GST_CAT_INFO (GST_CAT_CAPS, "proxy link to pad %s:%s",
GST_DEBUG_PAD_NAME (realpad));
if (peer && gst_pad_try_set_caps_func (peer, caps, TRUE) < 0)
mycaps = gst_caps2_copy(caps);
if (peer && gst_pad_try_set_caps_func (peer, mycaps, TRUE) < 0)
return GST_PAD_LINK_REFUSED;
if (gst_pad_try_set_caps_func (realpad, caps, FALSE) < 0)
if (gst_pad_try_set_caps_func (realpad, mycaps, FALSE) < 0)
return GST_PAD_LINK_REFUSED;
if (peer) {
gst_caps2_debug (caps, "proxy link filter");
gst_caps2_debug (mycaps, "proxy link filter");
GST_CAT_INFO (GST_CAT_CAPS, "setting filter on %s:%s and %s:%s",
GST_DEBUG_PAD_NAME (peer), GST_DEBUG_PAD_NAME (realpad));
gst_caps2_replace (&GST_RPAD_FILTER (peer), caps);
gst_caps2_replace (&GST_RPAD_FILTER (realpad), caps);
gst_caps2_replace (&GST_RPAD_FILTER (peer), gst_caps2_copy(mycaps));
gst_caps2_replace (&GST_RPAD_FILTER (realpad), gst_caps2_copy(mycaps));
}
return GST_PAD_LINK_OK;
@ -1870,6 +1877,14 @@ gst_pad_get_caps (GstPad *pad)
GST_CAT_DEBUG (GST_CAT_CAPS, "using pad get function");
caps = GST_RPAD_GETCAPSFUNC (realpad) (GST_PAD_CAST (realpad), NULL);
/* FIXME */
if (caps == NULL) {
g_critical ("pad %s:%s returned NULL caps from getcaps function\n",
GST_ELEMENT_NAME(GST_PAD_PARENT(GST_PAD_CAST(realpad))),
GST_PAD_NAME(realpad));
caps = gst_caps2_new_any ();
}
return caps;
}
else if (GST_PAD_PAD_TEMPLATE (realpad)) {