John Stebbins authored Jan 25, 2017 and Jean-Baptiste Kempf committed Feb 05, 2019

Ignoring these errors can lead to hanging in a loop for hours on damaged
images.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Nicolas Porcel authored Feb 06, 2018 and Jean-Baptiste Kempf committed Feb 05, 2019

Some DVD written with Nero Burning ROM have faulty IFO files that make
them unreadable with libdvdread. The condition removed is checked anyway
using the CHECK_VALUE macro.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>