This avoids an indirection in the table.  Data size is slightly
smaller on 64-bit systems, 8 bytes larger on 32-bit.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 214a85202b2eedbef06357e40278c2f56aa2c6e3)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>