Lines Matching defs:chirp
979 unsigned int chirp, chirp_base; // Q16
980 maxabs = FFMIN(maxabs, 163838); // anything above this overflows chirp's numerator
981 chirp_base = chirp = 65470 - ((maxabs - 32767) << 14) / ((maxabs * (k+1)) >> 2);
984 lpc32[k] = ROUND_MULL(lpc32[k], chirp, 16);
985 chirp = (chirp_base * chirp + 32768) >> 16;
1005 unsigned int chirp, chirp_base;
1006 chirp_base = chirp = 65536 - (1 << i);
1009 lpc32[k] = ROUND_MULL(lpc32[k], chirp, 16);
1011 chirp = (chirp_base * chirp + 32768) >> 16;