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gst/gstelement.c: use correct sinkpad, if only sinkpad is specified, but not srcpad (fixes #147889)

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Original commit message from CVS:
* gst/gstelement.c: (gst_element_link_pads_filtered):
use correct sinkpad, if only sinkpad is specified, but not srcpad
(fixes #147889)
* gst/gstelement.c: (gst_element_set_state_func),
(gst_element_change_state): ref/unref the element, signal handlers
could get rid of the element otherwise
This commit is contained in:
Benjamin Otte 2004-07-20 19:54:20 +00:00
parent 8b895dadce
commit e5a3b3f338
2 changed files with 19 additions and 1 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2004-07-20 Benjamin Otte <otte@gnome.org>
* gst/gstelement.c: (gst_element_link_pads_filtered):
use correct sinkpad, if only sinkpad is specified, but not srcpad
(fixes #147889)
* gst/gstelement.c: (gst_element_set_state_func),
(gst_element_change_state): ref/unref the element, signal handlers
could get rid of the element otherwise
2004-07-20 Ronald Bultje <rbultje@ronald.bitfreak.net>
* docs/random/ds/0.9-suggested-changes:

11
gst/gstelement.c
View file

@ -1891,7 +1891,8 @@ gst_element_link_pads_filtered (GstElement * src, const gchar * srcpadname,
GST_DEBUG_PAD_NAME (srcpad));
if ((GST_PAD_DIRECTION (srcpad) == GST_PAD_SRC) &&
(GST_PAD_PEER (srcpad) == NULL)) {
GstPad *temp = gst_element_get_compatible_pad_filtered (dest, srcpad,
GstPad *temp = destpadname ? destpad :
gst_element_get_compatible_pad_filtered (dest, srcpad,
filtercaps);
if (temp && gst_pad_link_filtered (srcpad, temp, filtercaps)) {
@ -2753,6 +2754,8 @@ gst_element_set_state_func (GstElement * element, GstElementState state)
return GST_STATE_SUCCESS;
}
/* reentrancy issues with signals in change_state) */
gst_object_ref (GST_OBJECT (element));
GST_CAT_INFO_OBJECT (GST_CAT_STATES, element, "setting state from %s to %s",
gst_element_state_get_name (curpending),
gst_element_state_get_name (state));
@ -2817,6 +2820,7 @@ gst_element_set_state_func (GstElement * element, GstElementState state)
}
exit:
gst_object_unref (GST_OBJECT (element));
return return_val;
}
@ -2945,6 +2949,9 @@ gst_element_change_state (GstElement * element)
return GST_STATE_SUCCESS;
}
/* we need to ref the object because of reentrancy issues with the signal
* handlers (including those in pads and gst_bin_child_state_change */
gst_object_ref (GST_OBJECT (element));
GST_CAT_LOG_OBJECT (GST_CAT_STATES, element,
"default handler tries setting state from %s to %s (%04x)",
gst_element_state_get_name (old_state),
@ -3036,12 +3043,14 @@ gst_element_change_state (GstElement * element)
g_cond_signal (element->state_cond);
g_mutex_unlock (element->state_mutex);
gst_object_unref (GST_OBJECT (element));
return GST_STATE_SUCCESS;
failure:
/* undo the state change */
GST_STATE (element) = old_state;
GST_STATE_PENDING (element) = old_pending;
gst_object_unref (GST_OBJECT (element));
return GST_STATE_FAILURE;
}