Adds a diff_pixels_unaligned() Fixes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=872503 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit bc488ec28aec4bc91ba47283c49c9f7f25696eaa) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>