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mirror of https://github.com/cookiengineer/audacity synced 2025-11-22 00:47:13 +01:00

Update Nyquist to v3.09.

This commit is contained in:
Leland Lucius
2015-04-07 22:10:17 -05:00
parent f88b27e6d8
commit 9fb0ce5b82
358 changed files with 26327 additions and 7043 deletions

View File

@@ -9,7 +9,7 @@
#include "cext.h"
#include "resonvc.h"
void resonvc_free();
void resonvc_free(snd_susp_type a_susp);
typedef struct resonvc_susp_struct {
@@ -46,8 +46,9 @@ typedef struct resonvc_susp_struct {
} resonvc_susp_node, *resonvc_susp_type;
void resonvc_ns_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
void resonvc_ns_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
resonvc_susp_type susp = (resonvc_susp_type) a_susp;
int cnt = 0; /* how many samples computed */
int togo;
int n;
@@ -90,6 +91,7 @@ void resonvc_ns_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
if (susp->terminate_cnt != UNKNOWN &&
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
togo = susp->terminate_cnt - (susp->susp.current + cnt);
if (togo < 0) togo = 0; /* avoids rounding errros */
if (togo == 0) break;
}
@@ -101,6 +103,7 @@ void resonvc_ns_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
* AND cnt > 0 (we're not at the beginning of the
* output block).
*/
if (to_stop < 0) to_stop = 0; /* avoids rounding errors */
if (to_stop < togo) {
if (to_stop == 0) {
if (cnt) {
@@ -137,9 +140,9 @@ void resonvc_ns_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
c1_reg = (normalization_reg == 0 ? scale1_reg :
(normalization_reg == 1 ? omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg)) * scale1_reg;
{ double y0 = c1_reg * *s1_ptr_reg++ + c2_reg * y1_reg - c3co_reg * y2_reg;
*out_ptr_reg++ = (sample_type) y0;
y2_reg = y1_reg; y1_reg = y0; };
{ double y0 = c1_reg * *s1_ptr_reg++ + c2_reg * y1_reg - c3co_reg * y2_reg;
*out_ptr_reg++ = (sample_type) y0;
y2_reg = y1_reg; y1_reg = y0; };
} while (--n); /* inner loop */
susp->y1 = y1_reg;
@@ -170,8 +173,9 @@ void resonvc_ns_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
} /* resonvc_ns_fetch */
void resonvc_ni_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
void resonvc_ni_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
resonvc_susp_type susp = (resonvc_susp_type) a_susp;
int cnt = 0; /* how many samples computed */
int togo;
int n;
@@ -222,6 +226,7 @@ void resonvc_ni_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
if (susp->terminate_cnt != UNKNOWN &&
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
togo = susp->terminate_cnt - (susp->susp.current + cnt);
if (togo < 0) togo = 0; /* avoids rounding errros */
if (togo == 0) break;
}
@@ -233,6 +238,7 @@ void resonvc_ni_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
* AND cnt > 0 (we're not at the beginning of the
* output block).
*/
if (to_stop < 0) to_stop = 0; /* avoids rounding errors */
if (to_stop < togo) {
if (to_stop == 0) {
if (cnt) {
@@ -274,14 +280,14 @@ void resonvc_ni_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
hz_pHaSe_ReG -= 1.0;
susp_check_term_samples_break(hz, hz_ptr, hz_cnt, hz_x1_sample_reg);
hz_x1_sample_reg = susp_current_sample(hz, hz_ptr);
c2_reg = susp->c2 = c3t4_reg * cos(hz_x1_sample_reg) / c3p1_reg;
c1_reg = susp->c1 = (normalization_reg == 0 ? scale1_reg :
c2_reg = c3t4_reg * cos(hz_x1_sample_reg) / c3p1_reg;
c1_reg = (normalization_reg == 0 ? scale1_reg :
(normalization_reg == 1 ? omc3_reg * sqrt(1.0 - c2_reg * c2_reg / c3t4_reg) :
sqrt(c3p1_reg * c3p1_reg - c2_reg * c2_reg) * omc3_reg / c3p1_reg)) * scale1_reg;
}
{ double y0 = c1_reg * *s1_ptr_reg++ + c2_reg * y1_reg - c3co_reg * y2_reg;
*out_ptr_reg++ = (sample_type) y0;
y2_reg = y1_reg; y1_reg = y0; };
{ double y0 = c1_reg * *s1_ptr_reg++ + c2_reg * y1_reg - c3co_reg * y2_reg;
*out_ptr_reg++ = (sample_type) y0;
y2_reg = y1_reg; y1_reg = y0; };
hz_pHaSe_ReG += hz_pHaSe_iNcR_rEg;
} while (--n); /* inner loop */
@@ -313,8 +319,9 @@ void resonvc_ni_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
} /* resonvc_ni_fetch */
void resonvc_nr_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
void resonvc_nr_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
resonvc_susp_type susp = (resonvc_susp_type) a_susp;
int cnt = 0; /* how many samples computed */
sample_type hz_val;
int togo;
@@ -376,6 +383,7 @@ void resonvc_nr_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
if (susp->terminate_cnt != UNKNOWN &&
susp->terminate_cnt <= susp->susp.current + cnt + togo) {
togo = susp->terminate_cnt - (susp->susp.current + cnt);
if (togo < 0) togo = 0; /* avoids rounding errros */
if (togo == 0) break;
}
@@ -387,6 +395,7 @@ void resonvc_nr_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
* AND cnt > 0 (we're not at the beginning of the
* output block).
*/
if (to_stop < 0) to_stop = 0; /* avoids rounding errors */
if (to_stop < togo) {
if (to_stop == 0) {
if (cnt) {
@@ -418,9 +427,9 @@ void resonvc_nr_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
s1_ptr_reg = susp->s1_ptr;
out_ptr_reg = out_ptr;
if (n) do { /* the inner sample computation loop */
{ double y0 = c1_reg * *s1_ptr_reg++ + c2_reg * y1_reg - c3co_reg * y2_reg;
*out_ptr_reg++ = (sample_type) y0;
y2_reg = y1_reg; y1_reg = y0; };
{ double y0 = c1_reg * *s1_ptr_reg++ + c2_reg * y1_reg - c3co_reg * y2_reg;
*out_ptr_reg++ = (sample_type) y0;
y2_reg = y1_reg; y1_reg = y0; };
} while (--n); /* inner loop */
susp->y1 = y1_reg;
@@ -450,11 +459,9 @@ void resonvc_nr_fetch(register resonvc_susp_type susp, snd_list_type snd_list)
} /* resonvc_nr_fetch */
void resonvc_toss_fetch(susp, snd_list)
register resonvc_susp_type susp;
snd_list_type snd_list;
{
long final_count = susp->susp.toss_cnt;
void resonvc_toss_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
resonvc_susp_type susp = (resonvc_susp_type) a_susp;
time_type final_time = susp->susp.t0;
long n;
@@ -477,27 +484,30 @@ void resonvc_toss_fetch(susp, snd_list)
susp->hz_ptr += n;
susp_took(hz_cnt, n);
susp->susp.fetch = susp->susp.keep_fetch;
(*(susp->susp.fetch))(susp, snd_list);
(*(susp->susp.fetch))(a_susp, snd_list);
}
void resonvc_mark(resonvc_susp_type susp)
void resonvc_mark(snd_susp_type a_susp)
{
resonvc_susp_type susp = (resonvc_susp_type) a_susp;
sound_xlmark(susp->s1);
sound_xlmark(susp->hz);
}
void resonvc_free(resonvc_susp_type susp)
void resonvc_free(snd_susp_type a_susp)
{
resonvc_susp_type susp = (resonvc_susp_type) a_susp;
sound_unref(susp->s1);
sound_unref(susp->hz);
ffree_generic(susp, sizeof(resonvc_susp_node), "resonvc_free");
}
void resonvc_print_tree(resonvc_susp_type susp, int n)
void resonvc_print_tree(snd_susp_type a_susp, int n)
{
resonvc_susp_type susp = (resonvc_susp_type) a_susp;
indent(n);
stdputstr("s1:");
sound_print_tree_1(susp->s1, n);
@@ -529,6 +539,12 @@ sound_type snd_make_resonvc(sound_type s1, sound_type hz, double bw, int normali
susp->y2 = 0.0;
hz->scale = (sample_type) (hz->scale * (PI2 / s1->sr));
/* make sure no sample rate is too high */
if (hz->sr > sr) {
sound_unref(hz);
snd_badsr();
}
/* select a susp fn based on sample rates */
interp_desc = (interp_desc << 2) + interp_style(s1, sr);
interp_desc = (interp_desc << 2) + interp_style(hz, sr);
@@ -553,8 +569,8 @@ sound_type snd_make_resonvc(sound_type s1, sound_type hz, double bw, int normali
/* 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 = resonvc_toss_fetch;
susp->susp.keep_fetch = susp->susp.fetch;
susp->susp.fetch = resonvc_toss_fetch;
}
/* initialize susp state */