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Code Issues Releases Wiki Activity

Update Nyquist to v3.09.

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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
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27
lib-src/libnyquist/nyquist/tran/osc.c
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@@ -9,7 +9,7 @@
#include "cext.h"
#include "osc.h"
void osc_free();
void osc_free(snd_susp_type a_susp);
typedef struct osc_susp_struct {
@@ -24,8 +24,9 @@ typedef struct osc_susp_struct {
} osc_susp_node, *osc_susp_type;
void osc__fetch(register osc_susp_type susp, snd_list_type snd_list)
void osc__fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
osc_susp_type susp = (osc_susp_type) a_susp;
int cnt = 0; /* how many samples computed */
int togo;
int n;
@@ -51,6 +52,7 @@ void osc__fetch(register osc_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;
}
@@ -61,14 +63,12 @@ void osc__fetch(register osc_susp_type susp, snd_list_type snd_list)
phase_reg = susp->phase;
out_ptr_reg = out_ptr;
if (n) do { /* the inner sample computation loop */
long table_index = (long) phase_reg;
double x1 = table_ptr_reg[table_index];
*out_ptr_reg++ = (sample_type) (x1 + (phase_reg - table_index) *
(table_ptr_reg[table_index + 1] - x1));
phase_reg += ph_incr_reg;
while (phase_reg >= table_len_reg) phase_reg -= table_len_reg;
;
long table_index = (long) phase_reg;
double x1 = table_ptr_reg[table_index];
*out_ptr_reg++ = (sample_type) (x1 + (phase_reg - table_index) *
(table_ptr_reg[table_index + 1] - x1));
phase_reg += ph_incr_reg;
while (phase_reg >= table_len_reg) phase_reg -= table_len_reg;
} while (--n); /* inner loop */
susp->phase = phase_reg;
@@ -86,14 +86,15 @@ void osc__fetch(register osc_susp_type susp, snd_list_type snd_list)
} /* osc__fetch */
void osc_free(osc_susp_type susp)
void osc_free(snd_susp_type a_susp)
{
osc_susp_type susp = (osc_susp_type) a_susp;
table_unref(susp->the_table);
ffree_generic(susp, sizeof(osc_susp_node), "osc_free");
}
void osc_print_tree(osc_susp_type susp, int n)
void osc_print_tree(snd_susp_type a_susp, int n)
{
}
@@ -113,7 +114,7 @@ sound_type snd_make_osc(sound_type input, double step, rate_type sr, double hz,
input->sr, sr, hz, &susp->ph_incr);
susp->susp.fetch = osc__fetch;
susp->terminate_cnt = round((d) * sr);
susp->terminate_cnt = check_terminate_cnt(round((d) * sr));
/* initialize susp state */
susp->susp.free = osc_free;
susp->susp.sr = sr;