Autres/audacity
1
0
Fork 0
mirror of https://github.com/cookiengineer/audacity synced 2025-11-27 15:50:10 +01:00
Code Issues Releases Wiki Activity

Update Nyquist to v3.09.

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

32
lib-src/libnyquist/nyquist/tran/follow.c
View File

@@ -9,7 +9,7 @@
#include "cext.h"
#include "follow.h"
void follow_free();
void follow_free(snd_susp_type a_susp);
typedef struct follow_susp_struct {
@@ -76,8 +76,9 @@ static sample_type *create_buf(double floor, long lookahead)
}
void follow_s_fetch(register follow_susp_type susp, snd_list_type snd_list)
void follow_s_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
follow_susp_type susp = (follow_susp_type) a_susp;
int cnt = 0; /* how many samples computed */
int togo;
int n;
@@ -112,6 +113,7 @@ void follow_s_fetch(register follow_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;
}
@@ -163,7 +165,7 @@ void follow_s_fetch(register follow_susp_type susp, snd_list_type snd_list)
}
prevptr_reg = delayptr_reg++;
if (delayptr_reg == endptr_reg) delayptr_reg = susp->delaybuf;
*out_ptr_reg++ = *delayptr_reg;;
*out_ptr_reg++ = *delayptr_reg;
} while (--n); /* inner loop */
togo -= n;
@@ -188,11 +190,9 @@ void follow_s_fetch(register follow_susp_type susp, snd_list_type snd_list)
} /* follow_s_fetch */
void follow_toss_fetch(susp, snd_list)
register follow_susp_type susp;
snd_list_type snd_list;
{
long final_count = susp->susp.toss_cnt;
void follow_toss_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
follow_susp_type susp = (follow_susp_type) a_susp;
time_type final_time = susp->susp.t0;
long n;
@@ -207,25 +207,28 @@ void follow_toss_fetch(susp, snd_list)
susp->sndin_ptr += n;
susp_took(sndin_cnt, n);
susp->susp.fetch = susp->susp.keep_fetch;
(*(susp->susp.fetch))(susp, snd_list);
(*(susp->susp.fetch))(a_susp, snd_list);
}
void follow_mark(follow_susp_type susp)
void follow_mark(snd_susp_type a_susp)
{
follow_susp_type susp = (follow_susp_type) a_susp;
sound_xlmark(susp->sndin);
}
void follow_free(follow_susp_type susp)
void follow_free(snd_susp_type a_susp)
{
follow_susp_type susp = (follow_susp_type) a_susp;
free(susp->delaybuf); sound_unref(susp->sndin);
ffree_generic(susp, sizeof(follow_susp_node), "follow_free");
}
void follow_print_tree(follow_susp_type susp, int n)
void follow_print_tree(snd_susp_type a_susp, int n)
{
follow_susp_type susp = (follow_susp_type) a_susp;
indent(n);
stdputstr("sndin:");
sound_print_tree_1(susp->sndin, n);
@@ -237,7 +240,6 @@ sound_type snd_make_follow(sound_type sndin, double floor, double risetime, doub
register follow_susp_type susp;
rate_type sr = sndin->sr;
time_type t0 = sndin->t0;
int interp_desc = 0;
sample_type scale_factor = 1.0F;
time_type t0_min = t0;
falloc_generic(susp, follow_susp_node, "snd_make_follow");
@@ -260,8 +262,8 @@ sound_type snd_make_follow(sound_type sndin, double floor, double risetime, doub
/* 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 = follow_toss_fetch;
susp->susp.keep_fetch = susp->susp.fetch;
susp->susp.fetch = follow_toss_fetch;
}
/* initialize susp state */