mirror of
https://github.com/cookiengineer/audacity
synced 2025-05-05 22:28:57 +02:00
1730 lines
54 KiB
C
1730 lines
54 KiB
C
#include "stdio.h"
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#ifndef mips
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#include "stdlib.h"
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#endif
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#include "xlisp.h"
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#include "sound.h"
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#include "falloc.h"
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#include "cext.h"
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#include "aresonvv.h"
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void aresonvv_free();
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typedef struct aresonvv_susp_struct {
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snd_susp_node susp;
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boolean started;
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long terminate_cnt;
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boolean logically_stopped;
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sound_type s1;
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long s1_cnt;
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sample_block_values_type s1_ptr;
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sound_type hz1;
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long hz1_cnt;
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sample_block_values_type hz1_ptr;
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/* support for interpolation of hz1 */
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sample_type hz1_x1_sample;
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double hz1_pHaSe;
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double hz1_pHaSe_iNcR;
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/* support for ramp between samples of hz1 */
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double output_per_hz1;
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long hz1_n;
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sound_type bw;
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long bw_cnt;
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sample_block_values_type bw_ptr;
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/* support for interpolation of bw */
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sample_type bw_x1_sample;
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double bw_pHaSe;
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double bw_pHaSe_iNcR;
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/* support for ramp between samples of bw */
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double output_per_bw;
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long bw_n;
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double scale1;
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double c3co;
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double c3p1;
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double c3t4;
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double omc3;
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double coshz;
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double c2;
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double c1;
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boolean recompute;
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int normalization;
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double y1;
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double y2;
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} aresonvv_susp_node, *aresonvv_susp_type;
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void aresonvv_nss_fetch(register aresonvv_susp_type susp, snd_list_type snd_list)
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{
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int cnt = 0; /* how many samples computed */
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int togo;
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int n;
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sample_block_type out;
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register sample_block_values_type out_ptr;
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register sample_block_values_type out_ptr_reg;
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register double c3co_reg;
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register double c3p1_reg;
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register double c3t4_reg;
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register double omc3_reg;
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register double coshz_reg;
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register double c2_reg;
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register double c1_reg;
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register boolean recompute_reg;
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register int normalization_reg;
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register double y1_reg;
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register double y2_reg;
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register sample_type bw_scale_reg = susp->bw->scale;
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register sample_block_values_type bw_ptr_reg;
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register sample_type hz1_scale_reg = susp->hz1->scale;
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register sample_block_values_type hz1_ptr_reg;
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register sample_block_values_type s1_ptr_reg;
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falloc_sample_block(out, "aresonvv_nss_fetch");
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out_ptr = out->samples;
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snd_list->block = out;
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while (cnt < max_sample_block_len) { /* outer loop */
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/* first compute how many samples to generate in inner loop: */
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/* don't overflow the output sample block: */
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togo = max_sample_block_len - cnt;
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/* don't run past the s1 input sample block: */
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susp_check_term_log_samples(s1, s1_ptr, s1_cnt);
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togo = min(togo, susp->s1_cnt);
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/* don't run past the hz1 input sample block: */
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susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
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togo = min(togo, susp->hz1_cnt);
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/* don't run past the bw input sample block: */
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susp_check_term_samples(bw, bw_ptr, bw_cnt);
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togo = min(togo, susp->bw_cnt);
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/* don't run past terminate time */
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if (susp->terminate_cnt != UNKNOWN &&
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susp->terminate_cnt <= susp->susp.current + cnt + togo) {
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togo = susp->terminate_cnt - (susp->susp.current + cnt);
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if (togo == 0) break;
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}
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/* don't run past logical stop time */
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if (!susp->logically_stopped && susp->susp.log_stop_cnt != UNKNOWN) {
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int to_stop = susp->susp.log_stop_cnt - (susp->susp.current + cnt);
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/* break if to_stop == 0 (we're at the logical stop)
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* AND cnt > 0 (we're not at the beginning of the
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* output block).
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*/
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if (to_stop < togo) {
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if (to_stop == 0) {
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if (cnt) {
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togo = 0;
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break;
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} else /* keep togo as is: since cnt == 0, we
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* can set the logical stop flag on this
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* output block
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*/
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susp->logically_stopped = true;
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} else /* limit togo so we can start a new
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* block at the LST
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*/
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togo = to_stop;
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}
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}
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n = togo;
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c3co_reg = susp->c3co;
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c3p1_reg = susp->c3p1;
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c3t4_reg = susp->c3t4;
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omc3_reg = susp->omc3;
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coshz_reg = susp->coshz;
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c2_reg = susp->c2;
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c1_reg = susp->c1;
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recompute_reg = susp->recompute;
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normalization_reg = susp->normalization;
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y1_reg = susp->y1;
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y2_reg = susp->y2;
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bw_ptr_reg = susp->bw_ptr;
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hz1_ptr_reg = susp->hz1_ptr;
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s1_ptr_reg = susp->s1_ptr;
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out_ptr_reg = out_ptr;
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if (n) do { /* the inner sample computation loop */
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register double y0, current; coshz_reg = cos((hz1_scale_reg * *hz1_ptr_reg++));
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recompute_reg = true;
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c3co_reg = exp((bw_scale_reg * *bw_ptr_reg++));
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c3p1_reg = c3co_reg + 1.0;
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c3t4_reg = c3co_reg * 4.0;
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omc3_reg = 1.0 - c3co_reg;
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recompute_reg = true;
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if (recompute_reg) {
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recompute_reg = false;
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c2_reg = c3t4_reg * coshz_reg / c3p1_reg;
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c1_reg = (normalization_reg == 0 ? 0.0 :
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(normalization_reg == 1 ? 1.0 - omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
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1.0 - sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg));
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}
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current = *s1_ptr_reg++;
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y0 = c1_reg * current + c2_reg * y1_reg - c3co_reg * y2_reg;
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*out_ptr_reg++ = (sample_type) y0;
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y2_reg = y1_reg; y1_reg = y0 - current;
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} while (--n); /* inner loop */
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susp->recompute = recompute_reg;
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susp->y1 = y1_reg;
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susp->y2 = y2_reg;
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/* using bw_ptr_reg is a bad idea on RS/6000: */
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susp->bw_ptr += togo;
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/* using hz1_ptr_reg is a bad idea on RS/6000: */
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susp->hz1_ptr += togo;
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/* using s1_ptr_reg is a bad idea on RS/6000: */
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susp->s1_ptr += togo;
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out_ptr += togo;
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susp_took(s1_cnt, togo);
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susp_took(hz1_cnt, togo);
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susp_took(bw_cnt, togo);
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cnt += togo;
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} /* outer loop */
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/* test for termination */
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if (togo == 0 && cnt == 0) {
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snd_list_terminate(snd_list);
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} else {
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snd_list->block_len = cnt;
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susp->susp.current += cnt;
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}
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/* test for logical stop */
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if (susp->logically_stopped) {
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snd_list->logically_stopped = true;
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} else if (susp->susp.log_stop_cnt == susp->susp.current) {
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susp->logically_stopped = true;
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}
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} /* aresonvv_nss_fetch */
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void aresonvv_nsi_fetch(register aresonvv_susp_type susp, snd_list_type snd_list)
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{
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int cnt = 0; /* how many samples computed */
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int togo;
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int n;
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sample_block_type out;
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register sample_block_values_type out_ptr;
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register sample_block_values_type out_ptr_reg;
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register double c3co_reg;
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register double c3p1_reg;
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register double c3t4_reg;
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register double omc3_reg;
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register double coshz_reg;
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register double c2_reg;
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register double c1_reg;
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register boolean recompute_reg;
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register int normalization_reg;
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register double y1_reg;
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register double y2_reg;
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register double bw_pHaSe_iNcR_rEg = susp->bw_pHaSe_iNcR;
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register double bw_pHaSe_ReG;
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register sample_type bw_x1_sample_reg;
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register sample_type hz1_scale_reg = susp->hz1->scale;
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register sample_block_values_type hz1_ptr_reg;
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register sample_block_values_type s1_ptr_reg;
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falloc_sample_block(out, "aresonvv_nsi_fetch");
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out_ptr = out->samples;
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snd_list->block = out;
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/* make sure sounds are primed with first values */
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if (!susp->started) {
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susp->started = true;
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susp_check_term_samples(bw, bw_ptr, bw_cnt);
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susp->bw_x1_sample = susp_fetch_sample(bw, bw_ptr, bw_cnt);
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susp->c3co = exp(susp->bw_x1_sample);
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susp->c3p1 = susp->c3co + 1.0;
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susp->c3t4 = susp->c3co * 4.0;
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susp->omc3 = 1.0 - susp->c3co;
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susp->recompute = true;
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}
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while (cnt < max_sample_block_len) { /* outer loop */
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/* first compute how many samples to generate in inner loop: */
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/* don't overflow the output sample block: */
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togo = max_sample_block_len - cnt;
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/* don't run past the s1 input sample block: */
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susp_check_term_log_samples(s1, s1_ptr, s1_cnt);
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togo = min(togo, susp->s1_cnt);
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/* don't run past the hz1 input sample block: */
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susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
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togo = min(togo, susp->hz1_cnt);
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/* don't run past terminate time */
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if (susp->terminate_cnt != UNKNOWN &&
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susp->terminate_cnt <= susp->susp.current + cnt + togo) {
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togo = susp->terminate_cnt - (susp->susp.current + cnt);
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if (togo == 0) break;
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}
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/* don't run past logical stop time */
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if (!susp->logically_stopped && susp->susp.log_stop_cnt != UNKNOWN) {
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int to_stop = susp->susp.log_stop_cnt - (susp->susp.current + cnt);
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/* break if to_stop == 0 (we're at the logical stop)
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* AND cnt > 0 (we're not at the beginning of the
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* output block).
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*/
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if (to_stop < togo) {
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if (to_stop == 0) {
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if (cnt) {
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togo = 0;
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break;
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} else /* keep togo as is: since cnt == 0, we
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* can set the logical stop flag on this
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* output block
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*/
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susp->logically_stopped = true;
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} else /* limit togo so we can start a new
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* block at the LST
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*/
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togo = to_stop;
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}
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}
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n = togo;
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c3co_reg = susp->c3co;
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c3p1_reg = susp->c3p1;
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c3t4_reg = susp->c3t4;
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omc3_reg = susp->omc3;
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coshz_reg = susp->coshz;
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c2_reg = susp->c2;
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c1_reg = susp->c1;
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recompute_reg = susp->recompute;
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normalization_reg = susp->normalization;
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y1_reg = susp->y1;
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y2_reg = susp->y2;
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bw_pHaSe_ReG = susp->bw_pHaSe;
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bw_x1_sample_reg = susp->bw_x1_sample;
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hz1_ptr_reg = susp->hz1_ptr;
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s1_ptr_reg = susp->s1_ptr;
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out_ptr_reg = out_ptr;
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if (n) do { /* the inner sample computation loop */
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register double y0, current; if (bw_pHaSe_ReG >= 1.0) {
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/* fixup-depends bw */
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/* pick up next sample as bw_x1_sample: */
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susp->bw_ptr++;
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susp_took(bw_cnt, 1);
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bw_pHaSe_ReG -= 1.0;
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susp_check_term_samples_break(bw, bw_ptr, bw_cnt, bw_x1_sample_reg);
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bw_x1_sample_reg = susp_current_sample(bw, bw_ptr);
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c3co_reg = susp->c3co = exp(bw_x1_sample_reg);
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c3p1_reg = susp->c3p1 = c3co_reg + 1.0;
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c3t4_reg = susp->c3t4 = c3co_reg * 4.0;
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omc3_reg = susp->omc3 = 1.0 - c3co_reg;
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recompute_reg = susp->recompute = true;
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}
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coshz_reg = cos((hz1_scale_reg * *hz1_ptr_reg++));
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recompute_reg = true;
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if (recompute_reg) {
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recompute_reg = false;
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c2_reg = c3t4_reg * coshz_reg / c3p1_reg;
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c1_reg = (normalization_reg == 0 ? 0.0 :
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(normalization_reg == 1 ? 1.0 - omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
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1.0 - sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg));
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}
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current = *s1_ptr_reg++;
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y0 = c1_reg * current + c2_reg * y1_reg - c3co_reg * y2_reg;
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*out_ptr_reg++ = (sample_type) y0;
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y2_reg = y1_reg; y1_reg = y0 - current;
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bw_pHaSe_ReG += bw_pHaSe_iNcR_rEg;
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} while (--n); /* inner loop */
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togo -= n;
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susp->recompute = recompute_reg;
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susp->y1 = y1_reg;
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susp->y2 = y2_reg;
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susp->bw_pHaSe = bw_pHaSe_ReG;
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susp->bw_x1_sample = bw_x1_sample_reg;
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/* using hz1_ptr_reg is a bad idea on RS/6000: */
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susp->hz1_ptr += togo;
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/* using s1_ptr_reg is a bad idea on RS/6000: */
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susp->s1_ptr += togo;
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out_ptr += togo;
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susp_took(s1_cnt, togo);
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susp_took(hz1_cnt, togo);
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cnt += togo;
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} /* outer loop */
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/* test for termination */
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if (togo == 0 && cnt == 0) {
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snd_list_terminate(snd_list);
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} else {
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snd_list->block_len = cnt;
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susp->susp.current += cnt;
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}
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/* test for logical stop */
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if (susp->logically_stopped) {
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snd_list->logically_stopped = true;
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} else if (susp->susp.log_stop_cnt == susp->susp.current) {
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susp->logically_stopped = true;
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}
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} /* aresonvv_nsi_fetch */
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void aresonvv_nsr_fetch(register aresonvv_susp_type susp, snd_list_type snd_list)
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{
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int cnt = 0; /* how many samples computed */
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sample_type bw_val;
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int togo;
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int n;
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sample_block_type out;
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register sample_block_values_type out_ptr;
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register sample_block_values_type out_ptr_reg;
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register double c3co_reg;
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register double c3p1_reg;
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register double c3t4_reg;
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register double omc3_reg;
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register double coshz_reg;
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register double c2_reg;
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register double c1_reg;
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register boolean recompute_reg;
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register int normalization_reg;
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register double y1_reg;
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register double y2_reg;
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register sample_type hz1_scale_reg = susp->hz1->scale;
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register sample_block_values_type hz1_ptr_reg;
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register sample_block_values_type s1_ptr_reg;
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falloc_sample_block(out, "aresonvv_nsr_fetch");
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out_ptr = out->samples;
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snd_list->block = out;
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/* make sure sounds are primed with first values */
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if (!susp->started) {
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susp->started = true;
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susp->bw_pHaSe = 1.0;
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}
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susp_check_term_samples(bw, bw_ptr, bw_cnt);
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while (cnt < max_sample_block_len) { /* outer loop */
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/* first compute how many samples to generate in inner loop: */
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/* don't overflow the output sample block: */
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togo = max_sample_block_len - cnt;
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/* don't run past the s1 input sample block: */
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susp_check_term_log_samples(s1, s1_ptr, s1_cnt);
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togo = min(togo, susp->s1_cnt);
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/* don't run past the hz1 input sample block: */
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susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
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togo = min(togo, susp->hz1_cnt);
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/* grab next bw_x1_sample when phase goes past 1.0; */
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/* use bw_n (computed below) to avoid roundoff errors: */
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if (susp->bw_n <= 0) {
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susp_check_term_samples(bw, bw_ptr, bw_cnt);
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susp->bw_x1_sample = susp_fetch_sample(bw, bw_ptr, bw_cnt);
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susp->bw_pHaSe -= 1.0;
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/* bw_n gets number of samples before phase exceeds 1.0: */
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susp->bw_n = (long) ((1.0 - susp->bw_pHaSe) *
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susp->output_per_bw);
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susp->c3co = exp(susp->bw_x1_sample);
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susp->c3p1 = susp->c3co + 1.0;
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susp->c3t4 = susp->c3co * 4.0;
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susp->omc3 = 1.0 - susp->c3co;
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susp->recompute = true;
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}
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togo = min(togo, susp->bw_n);
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bw_val = susp->bw_x1_sample;
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/* don't run past terminate time */
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if (susp->terminate_cnt != UNKNOWN &&
|
|
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
|
|
togo = susp->terminate_cnt - (susp->susp.current + cnt);
|
|
if (togo == 0) break;
|
|
}
|
|
|
|
|
|
/* don't run past logical stop time */
|
|
if (!susp->logically_stopped && susp->susp.log_stop_cnt != UNKNOWN) {
|
|
int to_stop = susp->susp.log_stop_cnt - (susp->susp.current + cnt);
|
|
/* break if to_stop == 0 (we're at the logical stop)
|
|
* AND cnt > 0 (we're not at the beginning of the
|
|
* output block).
|
|
*/
|
|
if (to_stop < togo) {
|
|
if (to_stop == 0) {
|
|
if (cnt) {
|
|
togo = 0;
|
|
break;
|
|
} else /* keep togo as is: since cnt == 0, we
|
|
* can set the logical stop flag on this
|
|
* output block
|
|
*/
|
|
susp->logically_stopped = true;
|
|
} else /* limit togo so we can start a new
|
|
* block at the LST
|
|
*/
|
|
togo = to_stop;
|
|
}
|
|
}
|
|
|
|
n = togo;
|
|
c3co_reg = susp->c3co;
|
|
c3p1_reg = susp->c3p1;
|
|
c3t4_reg = susp->c3t4;
|
|
omc3_reg = susp->omc3;
|
|
coshz_reg = susp->coshz;
|
|
c2_reg = susp->c2;
|
|
c1_reg = susp->c1;
|
|
recompute_reg = susp->recompute;
|
|
normalization_reg = susp->normalization;
|
|
y1_reg = susp->y1;
|
|
y2_reg = susp->y2;
|
|
hz1_ptr_reg = susp->hz1_ptr;
|
|
s1_ptr_reg = susp->s1_ptr;
|
|
out_ptr_reg = out_ptr;
|
|
if (n) do { /* the inner sample computation loop */
|
|
register double y0, current; coshz_reg = cos((hz1_scale_reg * *hz1_ptr_reg++));
|
|
recompute_reg = true;
|
|
if (recompute_reg) {
|
|
recompute_reg = false;
|
|
c2_reg = c3t4_reg * coshz_reg / c3p1_reg;
|
|
c1_reg = (normalization_reg == 0 ? 0.0 :
|
|
(normalization_reg == 1 ? 1.0 - omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
|
|
1.0 - sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg));
|
|
}
|
|
current = *s1_ptr_reg++;
|
|
y0 = c1_reg * current + c2_reg * y1_reg - c3co_reg * y2_reg;
|
|
*out_ptr_reg++ = (sample_type) y0;
|
|
y2_reg = y1_reg; y1_reg = y0 - current;
|
|
} while (--n); /* inner loop */
|
|
|
|
susp->recompute = recompute_reg;
|
|
susp->y1 = y1_reg;
|
|
susp->y2 = y2_reg;
|
|
/* using hz1_ptr_reg is a bad idea on RS/6000: */
|
|
susp->hz1_ptr += togo;
|
|
/* using s1_ptr_reg is a bad idea on RS/6000: */
|
|
susp->s1_ptr += togo;
|
|
out_ptr += togo;
|
|
susp_took(s1_cnt, togo);
|
|
susp_took(hz1_cnt, togo);
|
|
susp->bw_pHaSe += togo * susp->bw_pHaSe_iNcR;
|
|
susp->bw_n -= togo;
|
|
cnt += togo;
|
|
} /* outer loop */
|
|
|
|
/* test for termination */
|
|
if (togo == 0 && cnt == 0) {
|
|
snd_list_terminate(snd_list);
|
|
} else {
|
|
snd_list->block_len = cnt;
|
|
susp->susp.current += cnt;
|
|
}
|
|
/* test for logical stop */
|
|
if (susp->logically_stopped) {
|
|
snd_list->logically_stopped = true;
|
|
} else if (susp->susp.log_stop_cnt == susp->susp.current) {
|
|
susp->logically_stopped = true;
|
|
}
|
|
} /* aresonvv_nsr_fetch */
|
|
|
|
|
|
void aresonvv_nis_fetch(register aresonvv_susp_type susp, snd_list_type snd_list)
|
|
{
|
|
int cnt = 0; /* how many samples computed */
|
|
int togo;
|
|
int n;
|
|
sample_block_type out;
|
|
register sample_block_values_type out_ptr;
|
|
|
|
register sample_block_values_type out_ptr_reg;
|
|
|
|
register double c3co_reg;
|
|
register double c3p1_reg;
|
|
register double c3t4_reg;
|
|
register double omc3_reg;
|
|
register double coshz_reg;
|
|
register double c2_reg;
|
|
register double c1_reg;
|
|
register boolean recompute_reg;
|
|
register int normalization_reg;
|
|
register double y1_reg;
|
|
register double y2_reg;
|
|
register sample_type bw_scale_reg = susp->bw->scale;
|
|
register sample_block_values_type bw_ptr_reg;
|
|
register double hz1_pHaSe_iNcR_rEg = susp->hz1_pHaSe_iNcR;
|
|
register double hz1_pHaSe_ReG;
|
|
register sample_type hz1_x1_sample_reg;
|
|
register sample_block_values_type s1_ptr_reg;
|
|
falloc_sample_block(out, "aresonvv_nis_fetch");
|
|
out_ptr = out->samples;
|
|
snd_list->block = out;
|
|
|
|
/* make sure sounds are primed with first values */
|
|
if (!susp->started) {
|
|
susp->started = true;
|
|
susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
|
|
susp->hz1_x1_sample = susp_fetch_sample(hz1, hz1_ptr, hz1_cnt);
|
|
susp->coshz = cos(susp->hz1_x1_sample);
|
|
susp->recompute = true;
|
|
}
|
|
|
|
while (cnt < max_sample_block_len) { /* outer loop */
|
|
/* first compute how many samples to generate in inner loop: */
|
|
/* don't overflow the output sample block: */
|
|
togo = max_sample_block_len - cnt;
|
|
|
|
/* don't run past the s1 input sample block: */
|
|
susp_check_term_log_samples(s1, s1_ptr, s1_cnt);
|
|
togo = min(togo, susp->s1_cnt);
|
|
|
|
/* don't run past the bw input sample block: */
|
|
susp_check_term_samples(bw, bw_ptr, bw_cnt);
|
|
togo = min(togo, susp->bw_cnt);
|
|
|
|
/* don't run past terminate time */
|
|
if (susp->terminate_cnt != UNKNOWN &&
|
|
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
|
|
togo = susp->terminate_cnt - (susp->susp.current + cnt);
|
|
if (togo == 0) break;
|
|
}
|
|
|
|
|
|
/* don't run past logical stop time */
|
|
if (!susp->logically_stopped && susp->susp.log_stop_cnt != UNKNOWN) {
|
|
int to_stop = susp->susp.log_stop_cnt - (susp->susp.current + cnt);
|
|
/* break if to_stop == 0 (we're at the logical stop)
|
|
* AND cnt > 0 (we're not at the beginning of the
|
|
* output block).
|
|
*/
|
|
if (to_stop < togo) {
|
|
if (to_stop == 0) {
|
|
if (cnt) {
|
|
togo = 0;
|
|
break;
|
|
} else /* keep togo as is: since cnt == 0, we
|
|
* can set the logical stop flag on this
|
|
* output block
|
|
*/
|
|
susp->logically_stopped = true;
|
|
} else /* limit togo so we can start a new
|
|
* block at the LST
|
|
*/
|
|
togo = to_stop;
|
|
}
|
|
}
|
|
|
|
n = togo;
|
|
c3co_reg = susp->c3co;
|
|
c3p1_reg = susp->c3p1;
|
|
c3t4_reg = susp->c3t4;
|
|
omc3_reg = susp->omc3;
|
|
coshz_reg = susp->coshz;
|
|
c2_reg = susp->c2;
|
|
c1_reg = susp->c1;
|
|
recompute_reg = susp->recompute;
|
|
normalization_reg = susp->normalization;
|
|
y1_reg = susp->y1;
|
|
y2_reg = susp->y2;
|
|
bw_ptr_reg = susp->bw_ptr;
|
|
hz1_pHaSe_ReG = susp->hz1_pHaSe;
|
|
hz1_x1_sample_reg = susp->hz1_x1_sample;
|
|
s1_ptr_reg = susp->s1_ptr;
|
|
out_ptr_reg = out_ptr;
|
|
if (n) do { /* the inner sample computation loop */
|
|
register double y0, current; if (hz1_pHaSe_ReG >= 1.0) {
|
|
/* fixup-depends hz1 */
|
|
/* pick up next sample as hz1_x1_sample: */
|
|
susp->hz1_ptr++;
|
|
susp_took(hz1_cnt, 1);
|
|
hz1_pHaSe_ReG -= 1.0;
|
|
susp_check_term_samples_break(hz1, hz1_ptr, hz1_cnt, hz1_x1_sample_reg);
|
|
hz1_x1_sample_reg = susp_current_sample(hz1, hz1_ptr);
|
|
coshz_reg = susp->coshz = cos(hz1_x1_sample_reg);
|
|
recompute_reg = susp->recompute = true;
|
|
}
|
|
c3co_reg = exp((bw_scale_reg * *bw_ptr_reg++));
|
|
c3p1_reg = c3co_reg + 1.0;
|
|
c3t4_reg = c3co_reg * 4.0;
|
|
omc3_reg = 1.0 - c3co_reg;
|
|
recompute_reg = true;
|
|
if (recompute_reg) {
|
|
recompute_reg = false;
|
|
c2_reg = c3t4_reg * coshz_reg / c3p1_reg;
|
|
c1_reg = (normalization_reg == 0 ? 0.0 :
|
|
(normalization_reg == 1 ? 1.0 - omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
|
|
1.0 - sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg));
|
|
}
|
|
current = *s1_ptr_reg++;
|
|
y0 = c1_reg * current + c2_reg * y1_reg - c3co_reg * y2_reg;
|
|
*out_ptr_reg++ = (sample_type) y0;
|
|
y2_reg = y1_reg; y1_reg = y0 - current;
|
|
hz1_pHaSe_ReG += hz1_pHaSe_iNcR_rEg;
|
|
} while (--n); /* inner loop */
|
|
|
|
togo -= n;
|
|
susp->recompute = recompute_reg;
|
|
susp->y1 = y1_reg;
|
|
susp->y2 = y2_reg;
|
|
/* using bw_ptr_reg is a bad idea on RS/6000: */
|
|
susp->bw_ptr += togo;
|
|
susp->hz1_pHaSe = hz1_pHaSe_ReG;
|
|
susp->hz1_x1_sample = hz1_x1_sample_reg;
|
|
/* using s1_ptr_reg is a bad idea on RS/6000: */
|
|
susp->s1_ptr += togo;
|
|
out_ptr += togo;
|
|
susp_took(s1_cnt, togo);
|
|
susp_took(bw_cnt, togo);
|
|
cnt += togo;
|
|
} /* outer loop */
|
|
|
|
/* test for termination */
|
|
if (togo == 0 && cnt == 0) {
|
|
snd_list_terminate(snd_list);
|
|
} else {
|
|
snd_list->block_len = cnt;
|
|
susp->susp.current += cnt;
|
|
}
|
|
/* test for logical stop */
|
|
if (susp->logically_stopped) {
|
|
snd_list->logically_stopped = true;
|
|
} else if (susp->susp.log_stop_cnt == susp->susp.current) {
|
|
susp->logically_stopped = true;
|
|
}
|
|
} /* aresonvv_nis_fetch */
|
|
|
|
|
|
void aresonvv_nii_fetch(register aresonvv_susp_type susp, snd_list_type snd_list)
|
|
{
|
|
int cnt = 0; /* how many samples computed */
|
|
int togo;
|
|
int n;
|
|
sample_block_type out;
|
|
register sample_block_values_type out_ptr;
|
|
|
|
register sample_block_values_type out_ptr_reg;
|
|
|
|
register double c3co_reg;
|
|
register double c3p1_reg;
|
|
register double c3t4_reg;
|
|
register double omc3_reg;
|
|
register double coshz_reg;
|
|
register double c2_reg;
|
|
register double c1_reg;
|
|
register boolean recompute_reg;
|
|
register int normalization_reg;
|
|
register double y1_reg;
|
|
register double y2_reg;
|
|
register double bw_pHaSe_iNcR_rEg = susp->bw_pHaSe_iNcR;
|
|
register double bw_pHaSe_ReG;
|
|
register sample_type bw_x1_sample_reg;
|
|
register double hz1_pHaSe_iNcR_rEg = susp->hz1_pHaSe_iNcR;
|
|
register double hz1_pHaSe_ReG;
|
|
register sample_type hz1_x1_sample_reg;
|
|
register sample_block_values_type s1_ptr_reg;
|
|
falloc_sample_block(out, "aresonvv_nii_fetch");
|
|
out_ptr = out->samples;
|
|
snd_list->block = out;
|
|
|
|
/* make sure sounds are primed with first values */
|
|
if (!susp->started) {
|
|
susp->started = true;
|
|
susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
|
|
susp->hz1_x1_sample = susp_fetch_sample(hz1, hz1_ptr, hz1_cnt);
|
|
susp->coshz = cos(susp->hz1_x1_sample);
|
|
susp->recompute = true;
|
|
susp_check_term_samples(bw, bw_ptr, bw_cnt);
|
|
susp->bw_x1_sample = susp_fetch_sample(bw, bw_ptr, bw_cnt);
|
|
susp->c3co = exp(susp->bw_x1_sample);
|
|
susp->c3p1 = susp->c3co + 1.0;
|
|
susp->c3t4 = susp->c3co * 4.0;
|
|
susp->omc3 = 1.0 - susp->c3co;
|
|
susp->recompute = true;
|
|
}
|
|
|
|
while (cnt < max_sample_block_len) { /* outer loop */
|
|
/* first compute how many samples to generate in inner loop: */
|
|
/* don't overflow the output sample block: */
|
|
togo = max_sample_block_len - cnt;
|
|
|
|
/* don't run past the s1 input sample block: */
|
|
susp_check_term_log_samples(s1, s1_ptr, s1_cnt);
|
|
togo = min(togo, susp->s1_cnt);
|
|
|
|
/* don't run past terminate time */
|
|
if (susp->terminate_cnt != UNKNOWN &&
|
|
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
|
|
togo = susp->terminate_cnt - (susp->susp.current + cnt);
|
|
if (togo == 0) break;
|
|
}
|
|
|
|
|
|
/* don't run past logical stop time */
|
|
if (!susp->logically_stopped && susp->susp.log_stop_cnt != UNKNOWN) {
|
|
int to_stop = susp->susp.log_stop_cnt - (susp->susp.current + cnt);
|
|
/* break if to_stop == 0 (we're at the logical stop)
|
|
* AND cnt > 0 (we're not at the beginning of the
|
|
* output block).
|
|
*/
|
|
if (to_stop < togo) {
|
|
if (to_stop == 0) {
|
|
if (cnt) {
|
|
togo = 0;
|
|
break;
|
|
} else /* keep togo as is: since cnt == 0, we
|
|
* can set the logical stop flag on this
|
|
* output block
|
|
*/
|
|
susp->logically_stopped = true;
|
|
} else /* limit togo so we can start a new
|
|
* block at the LST
|
|
*/
|
|
togo = to_stop;
|
|
}
|
|
}
|
|
|
|
n = togo;
|
|
c3co_reg = susp->c3co;
|
|
c3p1_reg = susp->c3p1;
|
|
c3t4_reg = susp->c3t4;
|
|
omc3_reg = susp->omc3;
|
|
coshz_reg = susp->coshz;
|
|
c2_reg = susp->c2;
|
|
c1_reg = susp->c1;
|
|
recompute_reg = susp->recompute;
|
|
normalization_reg = susp->normalization;
|
|
y1_reg = susp->y1;
|
|
y2_reg = susp->y2;
|
|
bw_pHaSe_ReG = susp->bw_pHaSe;
|
|
bw_x1_sample_reg = susp->bw_x1_sample;
|
|
hz1_pHaSe_ReG = susp->hz1_pHaSe;
|
|
hz1_x1_sample_reg = susp->hz1_x1_sample;
|
|
s1_ptr_reg = susp->s1_ptr;
|
|
out_ptr_reg = out_ptr;
|
|
if (n) do { /* the inner sample computation loop */
|
|
register double y0, current; if (hz1_pHaSe_ReG >= 1.0) {
|
|
/* fixup-depends hz1 */
|
|
/* pick up next sample as hz1_x1_sample: */
|
|
susp->hz1_ptr++;
|
|
susp_took(hz1_cnt, 1);
|
|
hz1_pHaSe_ReG -= 1.0;
|
|
susp_check_term_samples_break(hz1, hz1_ptr, hz1_cnt, hz1_x1_sample_reg);
|
|
hz1_x1_sample_reg = susp_current_sample(hz1, hz1_ptr);
|
|
coshz_reg = susp->coshz = cos(hz1_x1_sample_reg);
|
|
recompute_reg = susp->recompute = true;
|
|
}
|
|
if (bw_pHaSe_ReG >= 1.0) {
|
|
/* fixup-depends bw */
|
|
/* pick up next sample as bw_x1_sample: */
|
|
susp->bw_ptr++;
|
|
susp_took(bw_cnt, 1);
|
|
bw_pHaSe_ReG -= 1.0;
|
|
susp_check_term_samples_break(bw, bw_ptr, bw_cnt, bw_x1_sample_reg);
|
|
bw_x1_sample_reg = susp_current_sample(bw, bw_ptr);
|
|
c3co_reg = susp->c3co = exp(bw_x1_sample_reg);
|
|
c3p1_reg = susp->c3p1 = c3co_reg + 1.0;
|
|
c3t4_reg = susp->c3t4 = c3co_reg * 4.0;
|
|
omc3_reg = susp->omc3 = 1.0 - c3co_reg;
|
|
recompute_reg = susp->recompute = true;
|
|
}
|
|
if (recompute_reg) {
|
|
recompute_reg = false;
|
|
c2_reg = c3t4_reg * coshz_reg / c3p1_reg;
|
|
c1_reg = (normalization_reg == 0 ? 0.0 :
|
|
(normalization_reg == 1 ? 1.0 - omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
|
|
1.0 - sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg));
|
|
}
|
|
current = *s1_ptr_reg++;
|
|
y0 = c1_reg * current + c2_reg * y1_reg - c3co_reg * y2_reg;
|
|
*out_ptr_reg++ = (sample_type) y0;
|
|
y2_reg = y1_reg; y1_reg = y0 - current;
|
|
hz1_pHaSe_ReG += hz1_pHaSe_iNcR_rEg;
|
|
bw_pHaSe_ReG += bw_pHaSe_iNcR_rEg;
|
|
} while (--n); /* inner loop */
|
|
|
|
togo -= n;
|
|
susp->recompute = recompute_reg;
|
|
susp->y1 = y1_reg;
|
|
susp->y2 = y2_reg;
|
|
susp->bw_pHaSe = bw_pHaSe_ReG;
|
|
susp->bw_x1_sample = bw_x1_sample_reg;
|
|
susp->hz1_pHaSe = hz1_pHaSe_ReG;
|
|
susp->hz1_x1_sample = hz1_x1_sample_reg;
|
|
/* using s1_ptr_reg is a bad idea on RS/6000: */
|
|
susp->s1_ptr += togo;
|
|
out_ptr += togo;
|
|
susp_took(s1_cnt, togo);
|
|
cnt += togo;
|
|
} /* outer loop */
|
|
|
|
/* test for termination */
|
|
if (togo == 0 && cnt == 0) {
|
|
snd_list_terminate(snd_list);
|
|
} else {
|
|
snd_list->block_len = cnt;
|
|
susp->susp.current += cnt;
|
|
}
|
|
/* test for logical stop */
|
|
if (susp->logically_stopped) {
|
|
snd_list->logically_stopped = true;
|
|
} else if (susp->susp.log_stop_cnt == susp->susp.current) {
|
|
susp->logically_stopped = true;
|
|
}
|
|
} /* aresonvv_nii_fetch */
|
|
|
|
|
|
void aresonvv_nir_fetch(register aresonvv_susp_type susp, snd_list_type snd_list)
|
|
{
|
|
int cnt = 0; /* how many samples computed */
|
|
sample_type bw_val;
|
|
int togo;
|
|
int n;
|
|
sample_block_type out;
|
|
register sample_block_values_type out_ptr;
|
|
|
|
register sample_block_values_type out_ptr_reg;
|
|
|
|
register double c3co_reg;
|
|
register double c3p1_reg;
|
|
register double c3t4_reg;
|
|
register double omc3_reg;
|
|
register double coshz_reg;
|
|
register double c2_reg;
|
|
register double c1_reg;
|
|
register boolean recompute_reg;
|
|
register int normalization_reg;
|
|
register double y1_reg;
|
|
register double y2_reg;
|
|
register double hz1_pHaSe_iNcR_rEg = susp->hz1_pHaSe_iNcR;
|
|
register double hz1_pHaSe_ReG;
|
|
register sample_type hz1_x1_sample_reg;
|
|
register sample_block_values_type s1_ptr_reg;
|
|
falloc_sample_block(out, "aresonvv_nir_fetch");
|
|
out_ptr = out->samples;
|
|
snd_list->block = out;
|
|
|
|
/* make sure sounds are primed with first values */
|
|
if (!susp->started) {
|
|
susp->started = true;
|
|
susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
|
|
susp->hz1_x1_sample = susp_fetch_sample(hz1, hz1_ptr, hz1_cnt);
|
|
susp->coshz = cos(susp->hz1_x1_sample);
|
|
susp->recompute = true;
|
|
susp->bw_pHaSe = 1.0;
|
|
}
|
|
|
|
susp_check_term_samples(bw, bw_ptr, bw_cnt);
|
|
|
|
while (cnt < max_sample_block_len) { /* outer loop */
|
|
/* first compute how many samples to generate in inner loop: */
|
|
/* don't overflow the output sample block: */
|
|
togo = max_sample_block_len - cnt;
|
|
|
|
/* don't run past the s1 input sample block: */
|
|
susp_check_term_log_samples(s1, s1_ptr, s1_cnt);
|
|
togo = min(togo, susp->s1_cnt);
|
|
|
|
/* grab next bw_x1_sample when phase goes past 1.0; */
|
|
/* use bw_n (computed below) to avoid roundoff errors: */
|
|
if (susp->bw_n <= 0) {
|
|
susp_check_term_samples(bw, bw_ptr, bw_cnt);
|
|
susp->bw_x1_sample = susp_fetch_sample(bw, bw_ptr, bw_cnt);
|
|
susp->bw_pHaSe -= 1.0;
|
|
/* bw_n gets number of samples before phase exceeds 1.0: */
|
|
susp->bw_n = (long) ((1.0 - susp->bw_pHaSe) *
|
|
susp->output_per_bw);
|
|
susp->c3co = exp(susp->bw_x1_sample);
|
|
susp->c3p1 = susp->c3co + 1.0;
|
|
susp->c3t4 = susp->c3co * 4.0;
|
|
susp->omc3 = 1.0 - susp->c3co;
|
|
susp->recompute = true;
|
|
}
|
|
togo = min(togo, susp->bw_n);
|
|
bw_val = susp->bw_x1_sample;
|
|
/* don't run past terminate time */
|
|
if (susp->terminate_cnt != UNKNOWN &&
|
|
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
|
|
togo = susp->terminate_cnt - (susp->susp.current + cnt);
|
|
if (togo == 0) break;
|
|
}
|
|
|
|
|
|
/* don't run past logical stop time */
|
|
if (!susp->logically_stopped && susp->susp.log_stop_cnt != UNKNOWN) {
|
|
int to_stop = susp->susp.log_stop_cnt - (susp->susp.current + cnt);
|
|
/* break if to_stop == 0 (we're at the logical stop)
|
|
* AND cnt > 0 (we're not at the beginning of the
|
|
* output block).
|
|
*/
|
|
if (to_stop < togo) {
|
|
if (to_stop == 0) {
|
|
if (cnt) {
|
|
togo = 0;
|
|
break;
|
|
} else /* keep togo as is: since cnt == 0, we
|
|
* can set the logical stop flag on this
|
|
* output block
|
|
*/
|
|
susp->logically_stopped = true;
|
|
} else /* limit togo so we can start a new
|
|
* block at the LST
|
|
*/
|
|
togo = to_stop;
|
|
}
|
|
}
|
|
|
|
n = togo;
|
|
c3co_reg = susp->c3co;
|
|
c3p1_reg = susp->c3p1;
|
|
c3t4_reg = susp->c3t4;
|
|
omc3_reg = susp->omc3;
|
|
coshz_reg = susp->coshz;
|
|
c2_reg = susp->c2;
|
|
c1_reg = susp->c1;
|
|
recompute_reg = susp->recompute;
|
|
normalization_reg = susp->normalization;
|
|
y1_reg = susp->y1;
|
|
y2_reg = susp->y2;
|
|
hz1_pHaSe_ReG = susp->hz1_pHaSe;
|
|
hz1_x1_sample_reg = susp->hz1_x1_sample;
|
|
s1_ptr_reg = susp->s1_ptr;
|
|
out_ptr_reg = out_ptr;
|
|
if (n) do { /* the inner sample computation loop */
|
|
register double y0, current; if (hz1_pHaSe_ReG >= 1.0) {
|
|
/* fixup-depends hz1 */
|
|
/* pick up next sample as hz1_x1_sample: */
|
|
susp->hz1_ptr++;
|
|
susp_took(hz1_cnt, 1);
|
|
hz1_pHaSe_ReG -= 1.0;
|
|
susp_check_term_samples_break(hz1, hz1_ptr, hz1_cnt, hz1_x1_sample_reg);
|
|
hz1_x1_sample_reg = susp_current_sample(hz1, hz1_ptr);
|
|
coshz_reg = susp->coshz = cos(hz1_x1_sample_reg);
|
|
recompute_reg = susp->recompute = true;
|
|
}
|
|
if (recompute_reg) {
|
|
recompute_reg = false;
|
|
c2_reg = c3t4_reg * coshz_reg / c3p1_reg;
|
|
c1_reg = (normalization_reg == 0 ? 0.0 :
|
|
(normalization_reg == 1 ? 1.0 - omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
|
|
1.0 - sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg));
|
|
}
|
|
current = *s1_ptr_reg++;
|
|
y0 = c1_reg * current + c2_reg * y1_reg - c3co_reg * y2_reg;
|
|
*out_ptr_reg++ = (sample_type) y0;
|
|
y2_reg = y1_reg; y1_reg = y0 - current;
|
|
hz1_pHaSe_ReG += hz1_pHaSe_iNcR_rEg;
|
|
} while (--n); /* inner loop */
|
|
|
|
togo -= n;
|
|
susp->recompute = recompute_reg;
|
|
susp->y1 = y1_reg;
|
|
susp->y2 = y2_reg;
|
|
susp->hz1_pHaSe = hz1_pHaSe_ReG;
|
|
susp->hz1_x1_sample = hz1_x1_sample_reg;
|
|
/* using s1_ptr_reg is a bad idea on RS/6000: */
|
|
susp->s1_ptr += togo;
|
|
out_ptr += togo;
|
|
susp_took(s1_cnt, togo);
|
|
susp->bw_pHaSe += togo * susp->bw_pHaSe_iNcR;
|
|
susp->bw_n -= togo;
|
|
cnt += togo;
|
|
} /* outer loop */
|
|
|
|
/* test for termination */
|
|
if (togo == 0 && cnt == 0) {
|
|
snd_list_terminate(snd_list);
|
|
} else {
|
|
snd_list->block_len = cnt;
|
|
susp->susp.current += cnt;
|
|
}
|
|
/* test for logical stop */
|
|
if (susp->logically_stopped) {
|
|
snd_list->logically_stopped = true;
|
|
} else if (susp->susp.log_stop_cnt == susp->susp.current) {
|
|
susp->logically_stopped = true;
|
|
}
|
|
} /* aresonvv_nir_fetch */
|
|
|
|
|
|
void aresonvv_nrs_fetch(register aresonvv_susp_type susp, snd_list_type snd_list)
|
|
{
|
|
int cnt = 0; /* how many samples computed */
|
|
sample_type hz1_val;
|
|
int togo;
|
|
int n;
|
|
sample_block_type out;
|
|
register sample_block_values_type out_ptr;
|
|
|
|
register sample_block_values_type out_ptr_reg;
|
|
|
|
register double c3co_reg;
|
|
register double c3p1_reg;
|
|
register double c3t4_reg;
|
|
register double omc3_reg;
|
|
register double coshz_reg;
|
|
register double c2_reg;
|
|
register double c1_reg;
|
|
register boolean recompute_reg;
|
|
register int normalization_reg;
|
|
register double y1_reg;
|
|
register double y2_reg;
|
|
register sample_type bw_scale_reg = susp->bw->scale;
|
|
register sample_block_values_type bw_ptr_reg;
|
|
register sample_block_values_type s1_ptr_reg;
|
|
falloc_sample_block(out, "aresonvv_nrs_fetch");
|
|
out_ptr = out->samples;
|
|
snd_list->block = out;
|
|
|
|
/* make sure sounds are primed with first values */
|
|
if (!susp->started) {
|
|
susp->started = true;
|
|
susp->hz1_pHaSe = 1.0;
|
|
}
|
|
|
|
susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
|
|
|
|
while (cnt < max_sample_block_len) { /* outer loop */
|
|
/* first compute how many samples to generate in inner loop: */
|
|
/* don't overflow the output sample block: */
|
|
togo = max_sample_block_len - cnt;
|
|
|
|
/* don't run past the s1 input sample block: */
|
|
susp_check_term_log_samples(s1, s1_ptr, s1_cnt);
|
|
togo = min(togo, susp->s1_cnt);
|
|
|
|
/* grab next hz1_x1_sample when phase goes past 1.0; */
|
|
/* use hz1_n (computed below) to avoid roundoff errors: */
|
|
if (susp->hz1_n <= 0) {
|
|
susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
|
|
susp->hz1_x1_sample = susp_fetch_sample(hz1, hz1_ptr, hz1_cnt);
|
|
susp->hz1_pHaSe -= 1.0;
|
|
/* hz1_n gets number of samples before phase exceeds 1.0: */
|
|
susp->hz1_n = (long) ((1.0 - susp->hz1_pHaSe) *
|
|
susp->output_per_hz1);
|
|
susp->coshz = cos(susp->hz1_x1_sample);
|
|
susp->recompute = true;
|
|
}
|
|
togo = min(togo, susp->hz1_n);
|
|
hz1_val = susp->hz1_x1_sample;
|
|
/* don't run past the bw input sample block: */
|
|
susp_check_term_samples(bw, bw_ptr, bw_cnt);
|
|
togo = min(togo, susp->bw_cnt);
|
|
|
|
/* don't run past terminate time */
|
|
if (susp->terminate_cnt != UNKNOWN &&
|
|
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
|
|
togo = susp->terminate_cnt - (susp->susp.current + cnt);
|
|
if (togo == 0) break;
|
|
}
|
|
|
|
|
|
/* don't run past logical stop time */
|
|
if (!susp->logically_stopped && susp->susp.log_stop_cnt != UNKNOWN) {
|
|
int to_stop = susp->susp.log_stop_cnt - (susp->susp.current + cnt);
|
|
/* break if to_stop == 0 (we're at the logical stop)
|
|
* AND cnt > 0 (we're not at the beginning of the
|
|
* output block).
|
|
*/
|
|
if (to_stop < togo) {
|
|
if (to_stop == 0) {
|
|
if (cnt) {
|
|
togo = 0;
|
|
break;
|
|
} else /* keep togo as is: since cnt == 0, we
|
|
* can set the logical stop flag on this
|
|
* output block
|
|
*/
|
|
susp->logically_stopped = true;
|
|
} else /* limit togo so we can start a new
|
|
* block at the LST
|
|
*/
|
|
togo = to_stop;
|
|
}
|
|
}
|
|
|
|
n = togo;
|
|
c3co_reg = susp->c3co;
|
|
c3p1_reg = susp->c3p1;
|
|
c3t4_reg = susp->c3t4;
|
|
omc3_reg = susp->omc3;
|
|
coshz_reg = susp->coshz;
|
|
c2_reg = susp->c2;
|
|
c1_reg = susp->c1;
|
|
recompute_reg = susp->recompute;
|
|
normalization_reg = susp->normalization;
|
|
y1_reg = susp->y1;
|
|
y2_reg = susp->y2;
|
|
bw_ptr_reg = susp->bw_ptr;
|
|
s1_ptr_reg = susp->s1_ptr;
|
|
out_ptr_reg = out_ptr;
|
|
if (n) do { /* the inner sample computation loop */
|
|
register double y0, current; c3co_reg = exp((bw_scale_reg * *bw_ptr_reg++));
|
|
c3p1_reg = c3co_reg + 1.0;
|
|
c3t4_reg = c3co_reg * 4.0;
|
|
omc3_reg = 1.0 - c3co_reg;
|
|
recompute_reg = true;
|
|
if (recompute_reg) {
|
|
recompute_reg = false;
|
|
c2_reg = c3t4_reg * coshz_reg / c3p1_reg;
|
|
c1_reg = (normalization_reg == 0 ? 0.0 :
|
|
(normalization_reg == 1 ? 1.0 - omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
|
|
1.0 - sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg));
|
|
}
|
|
current = *s1_ptr_reg++;
|
|
y0 = c1_reg * current + c2_reg * y1_reg - c3co_reg * y2_reg;
|
|
*out_ptr_reg++ = (sample_type) y0;
|
|
y2_reg = y1_reg; y1_reg = y0 - current;
|
|
} while (--n); /* inner loop */
|
|
|
|
susp->recompute = recompute_reg;
|
|
susp->y1 = y1_reg;
|
|
susp->y2 = y2_reg;
|
|
/* using bw_ptr_reg is a bad idea on RS/6000: */
|
|
susp->bw_ptr += togo;
|
|
/* using s1_ptr_reg is a bad idea on RS/6000: */
|
|
susp->s1_ptr += togo;
|
|
out_ptr += togo;
|
|
susp_took(s1_cnt, togo);
|
|
susp->hz1_pHaSe += togo * susp->hz1_pHaSe_iNcR;
|
|
susp->hz1_n -= togo;
|
|
susp_took(bw_cnt, togo);
|
|
cnt += togo;
|
|
} /* outer loop */
|
|
|
|
/* test for termination */
|
|
if (togo == 0 && cnt == 0) {
|
|
snd_list_terminate(snd_list);
|
|
} else {
|
|
snd_list->block_len = cnt;
|
|
susp->susp.current += cnt;
|
|
}
|
|
/* test for logical stop */
|
|
if (susp->logically_stopped) {
|
|
snd_list->logically_stopped = true;
|
|
} else if (susp->susp.log_stop_cnt == susp->susp.current) {
|
|
susp->logically_stopped = true;
|
|
}
|
|
} /* aresonvv_nrs_fetch */
|
|
|
|
|
|
void aresonvv_nri_fetch(register aresonvv_susp_type susp, snd_list_type snd_list)
|
|
{
|
|
int cnt = 0; /* how many samples computed */
|
|
sample_type hz1_val;
|
|
int togo;
|
|
int n;
|
|
sample_block_type out;
|
|
register sample_block_values_type out_ptr;
|
|
|
|
register sample_block_values_type out_ptr_reg;
|
|
|
|
register double c3co_reg;
|
|
register double c3p1_reg;
|
|
register double c3t4_reg;
|
|
register double omc3_reg;
|
|
register double coshz_reg;
|
|
register double c2_reg;
|
|
register double c1_reg;
|
|
register boolean recompute_reg;
|
|
register int normalization_reg;
|
|
register double y1_reg;
|
|
register double y2_reg;
|
|
register double bw_pHaSe_iNcR_rEg = susp->bw_pHaSe_iNcR;
|
|
register double bw_pHaSe_ReG;
|
|
register sample_type bw_x1_sample_reg;
|
|
register sample_block_values_type s1_ptr_reg;
|
|
falloc_sample_block(out, "aresonvv_nri_fetch");
|
|
out_ptr = out->samples;
|
|
snd_list->block = out;
|
|
|
|
/* make sure sounds are primed with first values */
|
|
if (!susp->started) {
|
|
susp->started = true;
|
|
susp->hz1_pHaSe = 1.0;
|
|
susp_check_term_samples(bw, bw_ptr, bw_cnt);
|
|
susp->bw_x1_sample = susp_fetch_sample(bw, bw_ptr, bw_cnt);
|
|
susp->c3co = exp(susp->bw_x1_sample);
|
|
susp->c3p1 = susp->c3co + 1.0;
|
|
susp->c3t4 = susp->c3co * 4.0;
|
|
susp->omc3 = 1.0 - susp->c3co;
|
|
susp->recompute = true;
|
|
}
|
|
|
|
susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
|
|
|
|
while (cnt < max_sample_block_len) { /* outer loop */
|
|
/* first compute how many samples to generate in inner loop: */
|
|
/* don't overflow the output sample block: */
|
|
togo = max_sample_block_len - cnt;
|
|
|
|
/* don't run past the s1 input sample block: */
|
|
susp_check_term_log_samples(s1, s1_ptr, s1_cnt);
|
|
togo = min(togo, susp->s1_cnt);
|
|
|
|
/* grab next hz1_x1_sample when phase goes past 1.0; */
|
|
/* use hz1_n (computed below) to avoid roundoff errors: */
|
|
if (susp->hz1_n <= 0) {
|
|
susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
|
|
susp->hz1_x1_sample = susp_fetch_sample(hz1, hz1_ptr, hz1_cnt);
|
|
susp->hz1_pHaSe -= 1.0;
|
|
/* hz1_n gets number of samples before phase exceeds 1.0: */
|
|
susp->hz1_n = (long) ((1.0 - susp->hz1_pHaSe) *
|
|
susp->output_per_hz1);
|
|
susp->coshz = cos(susp->hz1_x1_sample);
|
|
susp->recompute = true;
|
|
}
|
|
togo = min(togo, susp->hz1_n);
|
|
hz1_val = susp->hz1_x1_sample;
|
|
/* don't run past terminate time */
|
|
if (susp->terminate_cnt != UNKNOWN &&
|
|
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
|
|
togo = susp->terminate_cnt - (susp->susp.current + cnt);
|
|
if (togo == 0) break;
|
|
}
|
|
|
|
|
|
/* don't run past logical stop time */
|
|
if (!susp->logically_stopped && susp->susp.log_stop_cnt != UNKNOWN) {
|
|
int to_stop = susp->susp.log_stop_cnt - (susp->susp.current + cnt);
|
|
/* break if to_stop == 0 (we're at the logical stop)
|
|
* AND cnt > 0 (we're not at the beginning of the
|
|
* output block).
|
|
*/
|
|
if (to_stop < togo) {
|
|
if (to_stop == 0) {
|
|
if (cnt) {
|
|
togo = 0;
|
|
break;
|
|
} else /* keep togo as is: since cnt == 0, we
|
|
* can set the logical stop flag on this
|
|
* output block
|
|
*/
|
|
susp->logically_stopped = true;
|
|
} else /* limit togo so we can start a new
|
|
* block at the LST
|
|
*/
|
|
togo = to_stop;
|
|
}
|
|
}
|
|
|
|
n = togo;
|
|
c3co_reg = susp->c3co;
|
|
c3p1_reg = susp->c3p1;
|
|
c3t4_reg = susp->c3t4;
|
|
omc3_reg = susp->omc3;
|
|
coshz_reg = susp->coshz;
|
|
c2_reg = susp->c2;
|
|
c1_reg = susp->c1;
|
|
recompute_reg = susp->recompute;
|
|
normalization_reg = susp->normalization;
|
|
y1_reg = susp->y1;
|
|
y2_reg = susp->y2;
|
|
bw_pHaSe_ReG = susp->bw_pHaSe;
|
|
bw_x1_sample_reg = susp->bw_x1_sample;
|
|
s1_ptr_reg = susp->s1_ptr;
|
|
out_ptr_reg = out_ptr;
|
|
if (n) do { /* the inner sample computation loop */
|
|
register double y0, current; if (bw_pHaSe_ReG >= 1.0) {
|
|
/* fixup-depends bw */
|
|
/* pick up next sample as bw_x1_sample: */
|
|
susp->bw_ptr++;
|
|
susp_took(bw_cnt, 1);
|
|
bw_pHaSe_ReG -= 1.0;
|
|
susp_check_term_samples_break(bw, bw_ptr, bw_cnt, bw_x1_sample_reg);
|
|
bw_x1_sample_reg = susp_current_sample(bw, bw_ptr);
|
|
c3co_reg = susp->c3co = exp(bw_x1_sample_reg);
|
|
c3p1_reg = susp->c3p1 = c3co_reg + 1.0;
|
|
c3t4_reg = susp->c3t4 = c3co_reg * 4.0;
|
|
omc3_reg = susp->omc3 = 1.0 - c3co_reg;
|
|
recompute_reg = susp->recompute = true;
|
|
}
|
|
if (recompute_reg) {
|
|
recompute_reg = false;
|
|
c2_reg = c3t4_reg * coshz_reg / c3p1_reg;
|
|
c1_reg = (normalization_reg == 0 ? 0.0 :
|
|
(normalization_reg == 1 ? 1.0 - omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
|
|
1.0 - sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg));
|
|
}
|
|
current = *s1_ptr_reg++;
|
|
y0 = c1_reg * current + c2_reg * y1_reg - c3co_reg * y2_reg;
|
|
*out_ptr_reg++ = (sample_type) y0;
|
|
y2_reg = y1_reg; y1_reg = y0 - current;
|
|
bw_pHaSe_ReG += bw_pHaSe_iNcR_rEg;
|
|
} while (--n); /* inner loop */
|
|
|
|
togo -= n;
|
|
susp->recompute = recompute_reg;
|
|
susp->y1 = y1_reg;
|
|
susp->y2 = y2_reg;
|
|
susp->bw_pHaSe = bw_pHaSe_ReG;
|
|
susp->bw_x1_sample = bw_x1_sample_reg;
|
|
/* using s1_ptr_reg is a bad idea on RS/6000: */
|
|
susp->s1_ptr += togo;
|
|
out_ptr += togo;
|
|
susp_took(s1_cnt, togo);
|
|
susp->hz1_pHaSe += togo * susp->hz1_pHaSe_iNcR;
|
|
susp->hz1_n -= togo;
|
|
cnt += togo;
|
|
} /* outer loop */
|
|
|
|
/* test for termination */
|
|
if (togo == 0 && cnt == 0) {
|
|
snd_list_terminate(snd_list);
|
|
} else {
|
|
snd_list->block_len = cnt;
|
|
susp->susp.current += cnt;
|
|
}
|
|
/* test for logical stop */
|
|
if (susp->logically_stopped) {
|
|
snd_list->logically_stopped = true;
|
|
} else if (susp->susp.log_stop_cnt == susp->susp.current) {
|
|
susp->logically_stopped = true;
|
|
}
|
|
} /* aresonvv_nri_fetch */
|
|
|
|
|
|
void aresonvv_nrr_fetch(register aresonvv_susp_type susp, snd_list_type snd_list)
|
|
{
|
|
int cnt = 0; /* how many samples computed */
|
|
sample_type hz1_val;
|
|
sample_type bw_val;
|
|
int togo;
|
|
int n;
|
|
sample_block_type out;
|
|
register sample_block_values_type out_ptr;
|
|
|
|
register sample_block_values_type out_ptr_reg;
|
|
|
|
register double c3co_reg;
|
|
register double c2_reg;
|
|
register double c1_reg;
|
|
register boolean recompute_reg;
|
|
register double y1_reg;
|
|
register double y2_reg;
|
|
register sample_block_values_type s1_ptr_reg;
|
|
falloc_sample_block(out, "aresonvv_nrr_fetch");
|
|
out_ptr = out->samples;
|
|
snd_list->block = out;
|
|
|
|
/* make sure sounds are primed with first values */
|
|
if (!susp->started) {
|
|
susp->started = true;
|
|
susp->hz1_pHaSe = 1.0;
|
|
susp->bw_pHaSe = 1.0;
|
|
}
|
|
|
|
susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
|
|
|
|
susp_check_term_samples(bw, bw_ptr, bw_cnt);
|
|
|
|
while (cnt < max_sample_block_len) { /* outer loop */
|
|
/* first compute how many samples to generate in inner loop: */
|
|
/* don't overflow the output sample block: */
|
|
togo = max_sample_block_len - cnt;
|
|
|
|
/* don't run past the s1 input sample block: */
|
|
susp_check_term_log_samples(s1, s1_ptr, s1_cnt);
|
|
togo = min(togo, susp->s1_cnt);
|
|
|
|
/* grab next hz1_x1_sample when phase goes past 1.0; */
|
|
/* use hz1_n (computed below) to avoid roundoff errors: */
|
|
if (susp->hz1_n <= 0) {
|
|
susp_check_term_samples(hz1, hz1_ptr, hz1_cnt);
|
|
susp->hz1_x1_sample = susp_fetch_sample(hz1, hz1_ptr, hz1_cnt);
|
|
susp->hz1_pHaSe -= 1.0;
|
|
/* hz1_n gets number of samples before phase exceeds 1.0: */
|
|
susp->hz1_n = (long) ((1.0 - susp->hz1_pHaSe) *
|
|
susp->output_per_hz1);
|
|
susp->coshz = cos(susp->hz1_x1_sample);
|
|
susp->recompute = true;
|
|
}
|
|
togo = min(togo, susp->hz1_n);
|
|
hz1_val = susp->hz1_x1_sample;
|
|
/* grab next bw_x1_sample when phase goes past 1.0; */
|
|
/* use bw_n (computed below) to avoid roundoff errors: */
|
|
if (susp->bw_n <= 0) {
|
|
susp_check_term_samples(bw, bw_ptr, bw_cnt);
|
|
susp->bw_x1_sample = susp_fetch_sample(bw, bw_ptr, bw_cnt);
|
|
susp->bw_pHaSe -= 1.0;
|
|
/* bw_n gets number of samples before phase exceeds 1.0: */
|
|
susp->bw_n = (long) ((1.0 - susp->bw_pHaSe) *
|
|
susp->output_per_bw);
|
|
susp->c3co = exp(susp->bw_x1_sample);
|
|
susp->c3p1 = susp->c3co + 1.0;
|
|
susp->c3t4 = susp->c3co * 4.0;
|
|
susp->omc3 = 1.0 - susp->c3co;
|
|
susp->recompute = true;
|
|
}
|
|
togo = min(togo, susp->bw_n);
|
|
bw_val = susp->bw_x1_sample;
|
|
if (susp->recompute) {
|
|
susp->recompute = false;
|
|
susp->c2 = susp->c3t4 * susp->coshz / susp->c3p1;
|
|
susp->c1 = (susp->normalization == 0 ? 0.0 :
|
|
(susp->normalization == 1 ? 1.0 - susp->omc3 * sqrt(1.0 - susp->c2 * susp->c2 / susp->c3t4) :
|
|
1.0 - sqrt(susp->c3p1 * susp->c3p1 - susp->c2 * susp->c2) * susp->omc3 / susp->c3p1));
|
|
}
|
|
/* don't run past terminate time */
|
|
if (susp->terminate_cnt != UNKNOWN &&
|
|
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
|
|
togo = susp->terminate_cnt - (susp->susp.current + cnt);
|
|
if (togo == 0) break;
|
|
}
|
|
|
|
|
|
/* don't run past logical stop time */
|
|
if (!susp->logically_stopped && susp->susp.log_stop_cnt != UNKNOWN) {
|
|
int to_stop = susp->susp.log_stop_cnt - (susp->susp.current + cnt);
|
|
/* break if to_stop == 0 (we're at the logical stop)
|
|
* AND cnt > 0 (we're not at the beginning of the
|
|
* output block).
|
|
*/
|
|
if (to_stop < togo) {
|
|
if (to_stop == 0) {
|
|
if (cnt) {
|
|
togo = 0;
|
|
break;
|
|
} else /* keep togo as is: since cnt == 0, we
|
|
* can set the logical stop flag on this
|
|
* output block
|
|
*/
|
|
susp->logically_stopped = true;
|
|
} else /* limit togo so we can start a new
|
|
* block at the LST
|
|
*/
|
|
togo = to_stop;
|
|
}
|
|
}
|
|
|
|
n = togo;
|
|
c3co_reg = susp->c3co;
|
|
c2_reg = susp->c2;
|
|
c1_reg = susp->c1;
|
|
recompute_reg = susp->recompute;
|
|
y1_reg = susp->y1;
|
|
y2_reg = susp->y2;
|
|
s1_ptr_reg = susp->s1_ptr;
|
|
out_ptr_reg = out_ptr;
|
|
if (n) do { /* the inner sample computation loop */
|
|
register double y0, current;current = *s1_ptr_reg++;
|
|
y0 = c1_reg * current + c2_reg * y1_reg - c3co_reg * y2_reg;
|
|
*out_ptr_reg++ = (sample_type) y0;
|
|
y2_reg = y1_reg; y1_reg = y0 - current;
|
|
} while (--n); /* inner loop */
|
|
|
|
susp->recompute = recompute_reg;
|
|
susp->y1 = y1_reg;
|
|
susp->y2 = y2_reg;
|
|
/* using s1_ptr_reg is a bad idea on RS/6000: */
|
|
susp->s1_ptr += togo;
|
|
out_ptr += togo;
|
|
susp_took(s1_cnt, togo);
|
|
susp->hz1_pHaSe += togo * susp->hz1_pHaSe_iNcR;
|
|
susp->hz1_n -= togo;
|
|
susp->bw_pHaSe += togo * susp->bw_pHaSe_iNcR;
|
|
susp->bw_n -= togo;
|
|
cnt += togo;
|
|
} /* outer loop */
|
|
|
|
/* test for termination */
|
|
if (togo == 0 && cnt == 0) {
|
|
snd_list_terminate(snd_list);
|
|
} else {
|
|
snd_list->block_len = cnt;
|
|
susp->susp.current += cnt;
|
|
}
|
|
/* test for logical stop */
|
|
if (susp->logically_stopped) {
|
|
snd_list->logically_stopped = true;
|
|
} else if (susp->susp.log_stop_cnt == susp->susp.current) {
|
|
susp->logically_stopped = true;
|
|
}
|
|
} /* aresonvv_nrr_fetch */
|
|
|
|
|
|
void aresonvv_toss_fetch(susp, snd_list)
|
|
register aresonvv_susp_type susp;
|
|
snd_list_type snd_list;
|
|
{
|
|
long final_count = susp->susp.toss_cnt;
|
|
time_type final_time = susp->susp.t0;
|
|
long n;
|
|
|
|
/* fetch samples from s1 up to final_time for this block of zeros */
|
|
while ((round((final_time - susp->s1->t0) * susp->s1->sr)) >=
|
|
susp->s1->current)
|
|
susp_get_samples(s1, s1_ptr, s1_cnt);
|
|
/* fetch samples from hz1 up to final_time for this block of zeros */
|
|
while ((round((final_time - susp->hz1->t0) * susp->hz1->sr)) >=
|
|
susp->hz1->current)
|
|
susp_get_samples(hz1, hz1_ptr, hz1_cnt);
|
|
/* fetch samples from bw up to final_time for this block of zeros */
|
|
while ((round((final_time - susp->bw->t0) * susp->bw->sr)) >=
|
|
susp->bw->current)
|
|
susp_get_samples(bw, bw_ptr, bw_cnt);
|
|
/* convert to normal processing when we hit final_count */
|
|
/* we want each signal positioned at final_time */
|
|
n = round((final_time - susp->s1->t0) * susp->s1->sr -
|
|
(susp->s1->current - susp->s1_cnt));
|
|
susp->s1_ptr += n;
|
|
susp_took(s1_cnt, n);
|
|
n = round((final_time - susp->hz1->t0) * susp->hz1->sr -
|
|
(susp->hz1->current - susp->hz1_cnt));
|
|
susp->hz1_ptr += n;
|
|
susp_took(hz1_cnt, n);
|
|
n = round((final_time - susp->bw->t0) * susp->bw->sr -
|
|
(susp->bw->current - susp->bw_cnt));
|
|
susp->bw_ptr += n;
|
|
susp_took(bw_cnt, n);
|
|
susp->susp.fetch = susp->susp.keep_fetch;
|
|
(*(susp->susp.fetch))(susp, snd_list);
|
|
}
|
|
|
|
|
|
void aresonvv_mark(aresonvv_susp_type susp)
|
|
{
|
|
sound_xlmark(susp->s1);
|
|
sound_xlmark(susp->hz1);
|
|
sound_xlmark(susp->bw);
|
|
}
|
|
|
|
|
|
void aresonvv_free(aresonvv_susp_type susp)
|
|
{
|
|
sound_unref(susp->s1);
|
|
sound_unref(susp->hz1);
|
|
sound_unref(susp->bw);
|
|
ffree_generic(susp, sizeof(aresonvv_susp_node), "aresonvv_free");
|
|
}
|
|
|
|
|
|
void aresonvv_print_tree(aresonvv_susp_type susp, int n)
|
|
{
|
|
indent(n);
|
|
stdputstr("s1:");
|
|
sound_print_tree_1(susp->s1, n);
|
|
|
|
indent(n);
|
|
stdputstr("hz1:");
|
|
sound_print_tree_1(susp->hz1, n);
|
|
|
|
indent(n);
|
|
stdputstr("bw:");
|
|
sound_print_tree_1(susp->bw, n);
|
|
}
|
|
|
|
|
|
sound_type snd_make_aresonvv(sound_type s1, sound_type hz1, sound_type bw, int normalization)
|
|
{
|
|
register aresonvv_susp_type susp;
|
|
rate_type sr = s1->sr;
|
|
time_type t0 = max(max(s1->t0, hz1->t0), bw->t0);
|
|
int interp_desc = 0;
|
|
sample_type scale_factor = 1.0F;
|
|
time_type t0_min = t0;
|
|
/* combine scale factors of linear inputs (S1) */
|
|
scale_factor *= s1->scale;
|
|
s1->scale = 1.0F;
|
|
|
|
/* try to push scale_factor back to a low sr input */
|
|
if (s1->sr < sr) { s1->scale = scale_factor; scale_factor = 1.0F; }
|
|
|
|
falloc_generic(susp, aresonvv_susp_node, "snd_make_aresonvv");
|
|
susp->scale1 = s1->scale;
|
|
susp->c3co = 0.0;
|
|
susp->c3p1 = 0.0;
|
|
susp->c3t4 = 0.0;
|
|
susp->omc3 = 0.0;
|
|
susp->coshz = 0.0;
|
|
susp->c2 = 0.0;
|
|
susp->c1 = 0.0;
|
|
susp->recompute = false;
|
|
susp->normalization = normalization;
|
|
susp->y1 = 0.0;
|
|
susp->y2 = 0.0;
|
|
hz1->scale = (sample_type) (hz1->scale * (PI2 / s1->sr));
|
|
bw->scale = (sample_type) (bw->scale * (-PI2 / s1->sr));;
|
|
|
|
/* select a susp fn based on sample rates */
|
|
interp_desc = (interp_desc << 2) + interp_style(s1, sr);
|
|
interp_desc = (interp_desc << 2) + interp_style(hz1, sr);
|
|
interp_desc = (interp_desc << 2) + interp_style(bw, sr);
|
|
switch (interp_desc) {
|
|
case INTERP_nnn: /* handled below */
|
|
case INTERP_nns: /* handled below */
|
|
case INTERP_nsn: /* handled below */
|
|
case INTERP_nss: susp->susp.fetch = aresonvv_nss_fetch; break;
|
|
case INTERP_nni: /* handled below */
|
|
case INTERP_nsi: susp->susp.fetch = aresonvv_nsi_fetch; break;
|
|
case INTERP_nnr: /* handled below */
|
|
case INTERP_nsr: susp->susp.fetch = aresonvv_nsr_fetch; break;
|
|
case INTERP_nin: /* handled below */
|
|
case INTERP_nis: susp->susp.fetch = aresonvv_nis_fetch; break;
|
|
case INTERP_nii: susp->susp.fetch = aresonvv_nii_fetch; break;
|
|
case INTERP_nir: susp->susp.fetch = aresonvv_nir_fetch; break;
|
|
case INTERP_nrn: /* handled below */
|
|
case INTERP_nrs: susp->susp.fetch = aresonvv_nrs_fetch; break;
|
|
case INTERP_nri: susp->susp.fetch = aresonvv_nri_fetch; break;
|
|
case INTERP_nrr: susp->susp.fetch = aresonvv_nrr_fetch; break;
|
|
default: snd_badsr(); break;
|
|
}
|
|
|
|
susp->terminate_cnt = UNKNOWN;
|
|
/* handle unequal start times, if any */
|
|
if (t0 < s1->t0) sound_prepend_zeros(s1, t0);
|
|
if (t0 < hz1->t0) sound_prepend_zeros(hz1, t0);
|
|
if (t0 < bw->t0) sound_prepend_zeros(bw, t0);
|
|
/* minimum start time over all inputs: */
|
|
t0_min = min(s1->t0, min(hz1->t0, min(bw->t0, t0)));
|
|
/* how many samples to toss before t0: */
|
|
susp->susp.toss_cnt = (long) ((t0 - t0_min) * sr + 0.5);
|
|
if (susp->susp.toss_cnt > 0) {
|
|
susp->susp.keep_fetch = susp->susp.fetch;
|
|
susp->susp.fetch = aresonvv_toss_fetch;
|
|
}
|
|
|
|
/* initialize susp state */
|
|
susp->susp.free = aresonvv_free;
|
|
susp->susp.sr = sr;
|
|
susp->susp.t0 = t0;
|
|
susp->susp.mark = aresonvv_mark;
|
|
susp->susp.print_tree = aresonvv_print_tree;
|
|
susp->susp.name = "aresonvv";
|
|
susp->logically_stopped = false;
|
|
susp->susp.log_stop_cnt = logical_stop_cnt_cvt(s1);
|
|
susp->started = false;
|
|
susp->susp.current = 0;
|
|
susp->s1 = s1;
|
|
susp->s1_cnt = 0;
|
|
susp->hz1 = hz1;
|
|
susp->hz1_cnt = 0;
|
|
susp->hz1_pHaSe = 0.0;
|
|
susp->hz1_pHaSe_iNcR = hz1->sr / sr;
|
|
susp->hz1_n = 0;
|
|
susp->output_per_hz1 = sr / hz1->sr;
|
|
susp->bw = bw;
|
|
susp->bw_cnt = 0;
|
|
susp->bw_pHaSe = 0.0;
|
|
susp->bw_pHaSe_iNcR = bw->sr / sr;
|
|
susp->bw_n = 0;
|
|
susp->output_per_bw = sr / bw->sr;
|
|
return sound_create((snd_susp_type)susp, t0, sr, scale_factor);
|
|
}
|
|
|
|
|
|
sound_type snd_aresonvv(sound_type s1, sound_type hz1, sound_type bw, int normalization)
|
|
{
|
|
sound_type s1_copy = sound_copy(s1);
|
|
sound_type hz1_copy = sound_copy(hz1);
|
|
sound_type bw_copy = sound_copy(bw);
|
|
return snd_make_aresonvv(s1_copy, hz1_copy, bw_copy, normalization);
|
|
}
|