[Bug 792597] New: GL: fix leak of elements requested by signals
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Wed Jan 17 10:25:16 UTC 2018
https://bugzilla.gnome.org/show_bug.cgi?id=792597
Bug ID: 792597
Summary: GL: fix leak of elements requested by signals
Classification: Platform
Product: GStreamer
Version: unspecified
OS: All
Status: NEW
Severity: normal
Priority: Normal
Component: gst-plugins-base
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: slomo at coaxion.net
QA Contact: gstreamer-bugs at lists.freedesktop.org
CC: mduponchelle1 at gmail.com, slomo at coaxion.net,
ystreet00 at gmail.com
GNOME version: ---
+++ This bug was initially created as a clone of Bug #792543 +++
When the signal returns a floating reference, as its return type
is transfer full, we need to sink it ourselves before passing
it to gst_bin_add (which is transfer floating).
This allows us to unref it in bin_remove_element later on, and
thus to also release the reference we now own if the signal
returns a non-floating reference as well.
As we now still hold a reference to the element when removing it,
we also need to lock its state and setting it to NULL before
unreffing it
This relates to all the "create-element" signals that various GL elements have.
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