Using jpeg_process.vhd instead of jpeg.v

0b1111000000001001101100000000101000000000000010011011
0x0006
right                sam             left
0000000010011011 000000001010000 00000000010011011
    updated_s   fwd_inv_s   even_odd_s
1   1           1           1
if bool(sig_in(48)) then
                if bool(sig_in(49)) then
                    res_s <= signed(sig_in(32-1 downto 16) - (shift_right(sig_in(16-1 downto 0), 1) + shift_right(sig_in(48-1 downto 32), 1)));