Lines Matching defs:exptab
77 for (i = 0; i < FF_ARRAY_ELEMS(s->exptab); i++)
78 av_freep(&s->exptab[i]);
121 for (i = 0; i < FF_ARRAY_ELEMS(s->exptab); i++) {
123 s->exptab[i] = av_malloc(sizeof(*s->exptab[i]) * FFMAX(N, 19));
124 if (!s->exptab[i])
128 s->exptab[i][j].re = cos(2 * M_PI * j / N);
129 s->exptab[i][j].im = sin(2 * M_PI * j / N);
135 s->exptab[0][j] = s->exptab[0][j - 15];
185 const FFTComplex *exptab = s->exptab[0];
198 CMUL(t1, tmp1[k], exptab[k]);
199 CMUL(t2, tmp2[k], exptab[2 * k]);
203 CMUL(t1, tmp1[k], exptab[k + 5]);
204 CMUL(t2, tmp2[k], exptab[2 * (k + 5)]);
208 CMUL(t1, tmp1[k], exptab[k + 10]);
209 CMUL(t2, tmp2[k], exptab[2 * k + 5]);
222 const FFTComplex *exptab = s->exptab[N];
232 CMUL(t, out[len2 + k], exptab[k]);