Lines Matching defs:delta
1675 int step, valpred, delta,
1728 ** delta = diff*4/step;
1729 ** vpdiff = (delta+0.5)*step/4;
1734 delta = 0;
1738 delta = 4;
1744 delta |= 2;
1750 delta |= 1;
1767 delta |= sign;
1769 index += indexTable[delta];
1776 outputbuffer = (delta << 4) & 0xf0;
1778 *ncp++ = (delta & 0x0f) | outputbuffer;
1806 int valpred, step, delta, index, sign, vpdiff;
1850 /* Step 1 - get the delta value and compute next index */
1852 delta = inputbuffer & 0xf;
1855 delta = (inputbuffer >> 4) & 0xf;
1861 index += indexTable[delta];
1866 sign = delta & 8;
1867 delta = delta & 7;
1871 ** Computes 'vpdiff = (delta+0.5)*step/4', but see comment
1875 if ( delta & 4 ) vpdiff += step;
1876 if ( delta & 2 ) vpdiff += step>>1;
1877 if ( delta & 1 ) vpdiff += step>>2;