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mirror of https://github.com/cookiengineer/audacity synced 2025-10-25 15:53:52 +02:00

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 "abs.h"
void abs_free();
void abs_free(snd_susp_type a_susp);
typedef struct abs_susp_struct {
@@ -22,8 +22,9 @@ typedef struct abs_susp_struct {
} abs_susp_node, *abs_susp_type;
void abs_s_fetch(register abs_susp_type susp, snd_list_type snd_list)
void abs_n_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
abs_susp_type susp = (abs_susp_type) a_susp;
int cnt = 0; /* how many samples computed */
int togo;
int n;
@@ -32,9 +33,8 @@ void abs_s_fetch(register abs_susp_type susp, snd_list_type snd_list)
register sample_block_values_type out_ptr_reg;
register sample_type input_scale_reg = susp->input->scale;
register sample_block_values_type input_ptr_reg;
falloc_sample_block(out, "abs_s_fetch");
falloc_sample_block(out, "abs_n_fetch");
out_ptr = out->samples;
snd_list->block = out;
@@ -51,6 +51,7 @@ void abs_s_fetch(register abs_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;
}
@@ -62,6 +63,7 @@ void abs_s_fetch(register abs_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) {
@@ -83,7 +85,10 @@ void abs_s_fetch(register abs_susp_type susp, snd_list_type snd_list)
input_ptr_reg = susp->input_ptr;
out_ptr_reg = out_ptr;
if (n) do { /* the inner sample computation loop */
{ sample_type s = (input_scale_reg * *input_ptr_reg++); sample_type o = s; if (o < 0.0) o = -o; *out_ptr_reg++ = o; };
{ sample_type s = *input_ptr_reg++;
sample_type o = s;
if (o < 0.0) o = -o;
*out_ptr_reg++ = o; };
} while (--n); /* inner loop */
/* using input_ptr_reg is a bad idea on RS/6000: */
@@ -106,14 +111,12 @@ void abs_s_fetch(register abs_susp_type susp, snd_list_type snd_list)
} else if (susp->susp.log_stop_cnt == susp->susp.current) {
susp->logically_stopped = true;
}
} /* abs_s_fetch */
} /* abs_n_fetch */
void abs_toss_fetch(susp, snd_list)
register abs_susp_type susp;
snd_list_type snd_list;
{
long final_count = susp->susp.toss_cnt;
void abs_toss_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
abs_susp_type susp = (abs_susp_type) a_susp;
time_type final_time = susp->susp.t0;
long n;
@@ -128,25 +131,28 @@ void abs_toss_fetch(susp, snd_list)
susp->input_ptr += n;
susp_took(input_cnt, n);
susp->susp.fetch = susp->susp.keep_fetch;
(*(susp->susp.fetch))(susp, snd_list);
(*(susp->susp.fetch))(a_susp, snd_list);
}
void abs_mark(abs_susp_type susp)
void abs_mark(snd_susp_type a_susp)
{
abs_susp_type susp = (abs_susp_type) a_susp;
sound_xlmark(susp->input);
}
void abs_free(abs_susp_type susp)
void abs_free(snd_susp_type a_susp)
{
abs_susp_type susp = (abs_susp_type) a_susp;
sound_unref(susp->input);
ffree_generic(susp, sizeof(abs_susp_node), "abs_free");
}
void abs_print_tree(abs_susp_type susp, int n)
void abs_print_tree(snd_susp_type a_susp, int n)
{
abs_susp_type susp = (abs_susp_type) a_susp;
indent(n);
stdputstr("input:");
sound_print_tree_1(susp->input, n);
@@ -158,11 +164,17 @@ sound_type snd_make_abs(sound_type input)
register abs_susp_type susp;
rate_type sr = input->sr;
time_type t0 = input->t0;
int interp_desc = 0;
sample_type scale_factor = 1.0F;
time_type t0_min = t0;
/* combine scale factors of linear inputs (INPUT) */
scale_factor *= input->scale;
input->scale = 1.0F;
/* try to push scale_factor back to a low sr input */
if (input->sr < sr) { input->scale = scale_factor; scale_factor = 1.0F; }
falloc_generic(susp, abs_susp_node, "snd_make_abs");
susp->susp.fetch = abs_s_fetch;
susp->susp.fetch = abs_n_fetch;
susp->terminate_cnt = UNKNOWN;
/* handle unequal start times, if any */
if (t0 < input->t0) sound_prepend_zeros(input, t0);
@@ -171,8 +183,8 @@ sound_type snd_make_abs(sound_type input)
/* 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 = abs_toss_fetch;
susp->susp.keep_fetch = susp->susp.fetch;
susp->susp.fetch = abs_toss_fetch;
}
/* initialize susp state */