We have to make some symetric changes elsewhere as this increases
the precission with which samples are stored.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Rewrite 10 bit dpx decoder to decode into GBRP10 color space
instead of converting to RGB48.
Add 12 bit decoder to decode into GBRP12 color space.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>