This is used in many other MKV demux and prevents the pts = dts = 0 in every lace.
Fix #5165
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 562813603621bf160868d355f30def8e0a10029a)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>