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https://github.com/cookiengineer/audacity
synced 2025-11-18 23:24:18 +01:00
Update Nyquist to v3.09.
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@@ -9,7 +9,7 @@
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#include "cext.h"
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#include "const.h"
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void const_free();
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void const_free(snd_susp_type a_susp);
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typedef struct const_susp_struct {
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@@ -20,8 +20,9 @@ typedef struct const_susp_struct {
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} const_susp_node, *const_susp_type;
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void const__fetch(register const_susp_type susp, snd_list_type snd_list)
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void const__fetch(snd_susp_type a_susp, snd_list_type snd_list)
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{
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const_susp_type susp = (const_susp_type) a_susp;
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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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@@ -44,6 +45,7 @@ void const__fetch(register const_susp_type susp, snd_list_type snd_list)
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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) togo = 0; /* avoids rounding errros */
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if (togo == 0) break;
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}
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@@ -51,7 +53,7 @@ void const__fetch(register const_susp_type susp, snd_list_type snd_list)
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c_reg = susp->c;
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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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*out_ptr_reg++ = c_reg;
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*out_ptr_reg++ = c_reg;
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} while (--n); /* inner loop */
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out_ptr += togo;
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@@ -68,13 +70,14 @@ void const__fetch(register const_susp_type susp, snd_list_type snd_list)
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} /* const__fetch */
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void const_free(const_susp_type susp)
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void const_free(snd_susp_type a_susp)
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{
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const_susp_type susp = (const_susp_type) a_susp;
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ffree_generic(susp, sizeof(const_susp_node), "const_free");
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}
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void const_print_tree(const_susp_type susp, int n)
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void const_print_tree(snd_susp_type a_susp, int n)
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{
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}
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@@ -89,7 +92,7 @@ sound_type snd_make_const(double c, time_type t0, rate_type sr, time_type d)
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susp->c = (sample_type) c;
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susp->susp.fetch = const__fetch;
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susp->terminate_cnt = round((d) * sr);
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susp->terminate_cnt = check_terminate_cnt(round((d) * sr));
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/* initialize susp state */
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susp->susp.free = const_free;
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susp->susp.sr = sr;
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