Odd-size luma planes are not exact multiples of the chroma plane; but the
sample grid is still matched as though it were. We need to account for this
when translating a luma sample to the corresponding chroma sample coordinates.
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Niklas Haas <git@haasn.dev>
(cherry-picked from commit fa1ca69a8b)
Signed-off-by: Marvin Scholz <epirat07@gmail.com>