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gst/playback/gstdecodebin.c

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Original commit message from CVS:
2005-10-16  Andy Wingo  <wingo@pobox.com>

* gst/playback/gstdecodebin.c
(gst_element_set_state_like_a_crazy_man): New kraaaaaaazy
function!
(try_to_link_1): Increase kraziness level.
This commit is contained in:
Andy Wingo 2005-10-16 15:08:46 +00:00
parent 4f8f42b0b6
commit e716f44d69
2 changed files with 41 additions and 3 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2005-10-16 Andy Wingo <wingo@pobox.com>
* gst/playback/gstdecodebin.c
(gst_element_set_state_like_a_crazy_man): New kraaaaaaazy
function!
(try_to_link_1): Increase kraziness level.
2005-10-16 Thomas Vander Stichele <thomas at apestaart dot org>
* configure.ac:

37
gst/playback/gstdecodebin.c
View file

@ -546,6 +546,37 @@ many_types:
}
}
/* crude crude crude crude hack to avoid deadlocks in core while wim figures out
* what's going on */
/* not mt-safe */
static GstStateChangeReturn
gst_element_set_state_like_a_crazy_man (GstElement * element, GstState state)
{
GstElement *e;
GList *chain = NULL, *walk;
GstStateChangeReturn ret;
for (e = gst_object_ref (element); e;
e = (GstElement *) gst_element_get_parent (e))
chain = g_list_prepend (chain, e);
for (walk = chain; walk; walk = walk->next)
GST_STATE_LOCK (walk->data);
ret = gst_element_set_state (element, state);
chain = g_list_reverse (chain);
for (walk = chain; walk; walk = walk->next) {
GST_STATE_UNLOCK (walk->data);
gst_object_unref (walk->data);
}
g_list_free (chain);
return ret;
}
/*
* given a list of element factories, try to link one of the factories
* to the given pad.
@ -591,7 +622,7 @@ try_to_link_1 (GstDecodeBin * decode_bin, GstPad * pad, GList * factories)
gst_bin_add (GST_BIN (decode_bin), element);
/* set to ready first so it is ready */
gst_element_set_state (element, GST_STATE_READY);
gst_element_set_state_like_a_crazy_man (element, GST_STATE_READY);
/* keep our own list of elements */
decode_bin->elements = g_list_prepend (decode_bin->elements, element);
@ -603,7 +634,7 @@ try_to_link_1 (GstDecodeBin * decode_bin, GstPad * pad, GList * factories)
gst_object_unref (sinkpad);
/* this element did not work, remove it again and continue trying
* other elements, the element will be disposed. */
gst_element_set_state (element, GST_STATE_NULL);
gst_element_set_state_like_a_crazy_man (element, GST_STATE_NULL);
gst_bin_remove (GST_BIN (decode_bin), element);
} else {
const gchar *klass;
@ -638,7 +669,7 @@ try_to_link_1 (GstDecodeBin * decode_bin, GstPad * pad, GList * factories)
* on it until we have a raw type */
close_link (element, decode_bin);
/* change the state of the element to that of the parent */
gst_element_set_state (element, GST_STATE_PAUSED);
gst_element_set_state_like_a_crazy_man (element, GST_STATE_PAUSED);
result = element;