[Bug 779131] New: waylandsink: disable last sample sink feature

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=779131

            Bug ID: 779131
           Summary: waylandsink: disable last sample sink feature
    Classification: Platform
           Product: GStreamer
           Version: 1.11.1
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: fabien.dessenne at st.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 346564
  --> https://bugzilla.gnome.org/attachment.cgi?id=346564&action=edit
waylandsink-disable-last-sample-sink-feature

The "last-sample" basesink feature stores a reference to the last buffer sent
for rendering. A consequence is that one buffer is always locked, decreasing
the number of buffers of the pool actually available.

Disabling this feature improves the buffer pool capacity and prevents some
deadlock race conditions.

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