Lines Matching defs:nbits
175 int n = 1 << s->nbits;
194 av_cold int ff_fft_init(FFTContext *s, int nbits, int inverse)
201 if (nbits < 2 || nbits > 17)
203 s->nbits = nbits;
204 n = 1 << nbits;
206 if (nbits <= 16) {
242 for(j=4; j<=nbits; j++) {
303 np = 1 << s->nbits;
324 int nbits, i, n, num_transforms, offset, step;
328 const int fft_size = (1 << s->nbits);
331 num_transforms = (0x2aab >> (16 - s->nbits)) | 1;
414 for (nbits=4; nbits<=s->nbits; nbits++){
422 offset = ff_fft_offsets_lut[n] << nbits;
626 fft_dispatch[s->nbits-2](z);