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bin: Don't keep the object lock while setting a GstContext when handling NEED_CONTEXT

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This can potentially deadlock.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3707

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7310>
This commit is contained in:
Sebastian Dröge 2024-08-05 17:34:15 +03:00 committed by GStreamer Marge Bot
parent 8aa5a9520c
commit 14e3be6a26
1 changed files with 8 additions and 3 deletions
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11
subprojects/gstreamer/gst/gstbin.c
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@ -3985,13 +3985,17 @@ gst_bin_handle_message_func (GstBin * bin, GstMessage * message)
}
case GST_MESSAGE_NEED_CONTEXT:{
const gchar *context_type;
GList *l, *contexts;
gst_message_parse_context_type (message, &context_type);
if (src) {
GList *l, *contexts;
GST_OBJECT_LOCK (bin);
contexts = GST_ELEMENT_CAST (bin)->contexts;
contexts =
g_list_copy_deep (GST_ELEMENT_CAST (bin)->contexts,
(GCopyFunc) gst_mini_object_ref, NULL);
GST_OBJECT_UNLOCK (bin);
GST_LOG_OBJECT (bin, "got need-context message type: %s", context_type);
for (l = contexts; l; l = l->next) {
GstContext *tmp = l->data;
@ -4002,7 +4006,8 @@ gst_bin_handle_message_func (GstBin * bin, GstMessage * message)
break;
}
}
GST_OBJECT_UNLOCK (bin);
g_list_free_full (contexts, (GDestroyNotify) gst_mini_object_unref);
/* Forward if we couldn't answer the message */
if (l == NULL) {