Otherwise we might get a previous DTS set from a recycled buffer that we get back from a buffer pool, which then confuses synchronization. https://bugzilla.gnome.org/show_bug.cgi?id=747722
Otherwise we might get a previous DTS set from a recycled buffer that we get back from a buffer pool, which then confuses synchronization. https://bugzilla.gnome.org/show_bug.cgi?id=747722