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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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52
lib-src/libnyquist/nyquist/tran/upsample.c
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@@ -9,7 +9,7 @@
#include "cext.h"
#include "upsample.h"
void up_free();
void up_free(snd_susp_type a_susp);
typedef struct up_susp_struct {
@@ -32,8 +32,9 @@ typedef struct up_susp_struct {
} up_susp_node, *up_susp_type;
void up_n_fetch(register up_susp_type susp, snd_list_type snd_list)
void up_n_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
up_susp_type susp = (up_susp_type) a_susp;
int cnt = 0; /* how many samples computed */
int togo;
int n;
@@ -60,6 +61,7 @@ void up_n_fetch(register up_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;
}
@@ -71,6 +73,7 @@ void up_n_fetch(register up_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) {
@@ -92,7 +95,7 @@ void up_n_fetch(register up_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 */
*out_ptr_reg++ = (sample_type) *input_ptr_reg++;
*out_ptr_reg++ = (sample_type) *input_ptr_reg++;
} while (--n); /* inner loop */
/* using input_ptr_reg is a bad idea on RS/6000: */
@@ -118,8 +121,9 @@ void up_n_fetch(register up_susp_type susp, snd_list_type snd_list)
} /* up_n_fetch */
void up_i_fetch(register up_susp_type susp, snd_list_type snd_list)
void up_i_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
up_susp_type susp = (up_susp_type) a_susp;
int cnt = 0; /* how many samples computed */
sample_type input_x2_sample;
int togo;
@@ -155,6 +159,7 @@ void up_i_fetch(register up_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;
}
@@ -166,6 +171,7 @@ void up_i_fetch(register up_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) {
@@ -196,7 +202,7 @@ void up_i_fetch(register up_susp_type susp, snd_list_type snd_list)
input_pHaSe_ReG -= 1.0;
susp_check_term_log_samples_break(input, input_ptr, input_cnt, input_x2_sample);
}
*out_ptr_reg++ = (sample_type)
*out_ptr_reg++ = (sample_type)
(input_x1_sample_reg * (1 - input_pHaSe_ReG) + input_x2_sample * input_pHaSe_ReG);
input_pHaSe_ReG += input_pHaSe_iNcR_rEg;
} while (--n); /* inner loop */
@@ -224,8 +230,9 @@ void up_i_fetch(register up_susp_type susp, snd_list_type snd_list)
} /* up_i_fetch */
void up_r_fetch(register up_susp_type susp, snd_list_type snd_list)
void up_r_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
up_susp_type susp = (up_susp_type) a_susp;
int cnt = 0; /* how many samples computed */
sample_type input_DeLtA;
sample_type input_val;
@@ -277,6 +284,7 @@ void up_r_fetch(register up_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;
}
@@ -288,6 +296,7 @@ void up_r_fetch(register up_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) {
@@ -308,7 +317,7 @@ void up_r_fetch(register up_susp_type susp, snd_list_type snd_list)
n = togo;
out_ptr_reg = out_ptr;
if (n) do { /* the inner sample computation loop */
*out_ptr_reg++ = (sample_type) input_val;
*out_ptr_reg++ = (sample_type) input_val;
input_val += input_DeLtA;
} while (--n); /* inner loop */
@@ -334,11 +343,9 @@ void up_r_fetch(register up_susp_type susp, snd_list_type snd_list)
} /* up_r_fetch */
void up_toss_fetch(susp, snd_list)
register up_susp_type susp;
snd_list_type snd_list;
{
long final_count = susp->susp.toss_cnt;
void up_toss_fetch(snd_susp_type a_susp, snd_list_type snd_list)
{
up_susp_type susp = (up_susp_type) a_susp;
time_type final_time = susp->susp.t0;
long n;
@@ -353,25 +360,28 @@ void up_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 up_mark(up_susp_type susp)
void up_mark(snd_susp_type a_susp)
{
up_susp_type susp = (up_susp_type) a_susp;
sound_xlmark(susp->input);
}
void up_free(up_susp_type susp)
void up_free(snd_susp_type a_susp)
{
up_susp_type susp = (up_susp_type) a_susp;
sound_unref(susp->input);
ffree_generic(susp, sizeof(up_susp_node), "up_free");
}
void up_print_tree(up_susp_type susp, int n)
void up_print_tree(snd_susp_type a_susp, int n)
{
up_susp_type susp = (up_susp_type) a_susp;
indent(n);
stdputstr("input:");
sound_print_tree_1(susp->input, n);
@@ -393,11 +403,13 @@ sound_type snd_make_up(rate_type sr, sound_type input)
/* 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, up_susp_node, "snd_make_up");
/* make sure no sample rate is too high */
if (input->sr > sr) {
sound_unref(input);
xlfail("snd-up: output sample rate must be higher than input");
snd_badsr();
}
falloc_generic(susp, up_susp_node, "snd_make_up");
/* select a susp fn based on sample rates */
interp_desc = (interp_desc << 2) + interp_style(input, sr);
@@ -416,8 +428,8 @@ sound_type snd_make_up(rate_type sr, 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 = up_toss_fetch;
susp->susp.keep_fetch = susp->susp.fetch;
susp->susp.fetch = up_toss_fetch;
}
/* initialize susp state */