Cross Reference: /external/speex/libspeex/resample.c

Lines Matching defs:oversample
129    spx_uint32_t oversample;
195    int oversample;
211    int oversample;
246    y = x*func->oversample;
450       const int offset = samp_frac_num*st->oversample/st->den_rate;
452       const spx_word16_t frac = PDIV32(SHL32((samp_frac_num*st->oversample) % st->den_rate,15),st->den_rate);
454       const spx_word16_t frac = ((float)((samp_frac_num*st->oversample) % st->den_rate))/st->den_rate;
464         accum[0] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-2]);
465         accum[1] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-1]);
466         accum[2] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset]);
467         accum[3] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset+1]);
475       sum = interpolate_product_single(iptr, st->sinc_table + st->oversample + 4 - offset - 2, N, st->oversample, interp);
513       const int offset = samp_frac_num*st->oversample/st->den_rate;
515       const spx_word16_t frac = PDIV32(SHL32((samp_frac_num*st->oversample) % st->den_rate,15),st->den_rate);
517       const spx_word16_t frac = ((float)((samp_frac_num*st->oversample) % st->den_rate))/st->den_rate;
527         accum[0] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-2]);
528         accum[1] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-1]);
529         accum[2] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset]);
530         accum[3] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset+1]);
537       sum = interpolate_product_double(iptr, st->sinc_table + st->oversample + 4 - offset - 2, N, st->oversample, interp);
561    st->oversample = quality_map[st->quality].oversample;
573          st->oversample >>= 1;
575          st->oversample >>= 1;
577          st->oversample >>= 1;
579          st->oversample >>= 1;
580       if (st->oversample < 1)
581          st->oversample = 1;
591    if (st->den_rate <= st->oversample)
622          st->sinc_table = (spx_word16_t *)speex_alloc((st->filt_len*st->oversample+8)*sizeof(spx_word16_t));
623       else if (st->sinc_table_length < st->filt_len*st->oversample+8)
625          st->sinc_table = (spx_word16_t *)speex_realloc(st->sinc_table,(st->filt_len*st->oversample+8)*sizeof(spx_word16_t));
626          st->sinc_table_length = st->filt_len*st->oversample+8;
628       for (i=-4;i<(spx_int32_t)(st->oversample*st->filt_len+4);i++)
629          st->sinc_table[i+4] = sinc(st->cutoff,(i/(float)st->oversample - st->filt_len/2), st->filt_len, quality_map[st->quality].window_func);