mirror of
https://github.com/cookiengineer/audacity
synced 2025-05-05 14:18:53 +02:00
282 lines
10 KiB
C
282 lines
10 KiB
C
#include "stdio.h"
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#ifndef mips
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#include "stdlib.h"
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#endif
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#include "xlisp.h"
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#include "sound.h"
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#include "falloc.h"
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#include "cext.h"
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#include "instrclarall.h"
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void clarinet_all_free();
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typedef struct clarinet_all_susp_struct {
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snd_susp_node susp;
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long terminate_cnt;
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sound_type breath_env;
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long breath_env_cnt;
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sample_block_values_type breath_env_ptr;
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sound_type freq_env;
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long freq_env_cnt;
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sample_block_values_type freq_env_ptr;
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sound_type reed_stiffness;
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long reed_stiffness_cnt;
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sample_block_values_type reed_stiffness_ptr;
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sound_type noise;
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long noise_cnt;
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sample_block_values_type noise_ptr;
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struct instr *clar;
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double frequency;
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} clarinet_all_susp_node, *clarinet_all_susp_type;
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#include "instr.h"
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void clarinet_all_ssss_fetch(register clarinet_all_susp_type susp, snd_list_type snd_list)
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{
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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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sample_block_type out;
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register sample_block_values_type out_ptr;
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register sample_block_values_type out_ptr_reg;
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register struct instr * clar_reg;
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register double frequency_reg;
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register sample_type noise_scale_reg = susp->noise->scale;
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register sample_block_values_type noise_ptr_reg;
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register sample_type reed_stiffness_scale_reg = susp->reed_stiffness->scale;
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register sample_block_values_type reed_stiffness_ptr_reg;
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register sample_type freq_env_scale_reg = susp->freq_env->scale;
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register sample_block_values_type freq_env_ptr_reg;
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register sample_type breath_env_scale_reg = susp->breath_env->scale;
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register sample_block_values_type breath_env_ptr_reg;
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falloc_sample_block(out, "clarinet_all_ssss_fetch");
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out_ptr = out->samples;
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snd_list->block = out;
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while (cnt < max_sample_block_len) { /* outer loop */
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/* first compute how many samples to generate in inner loop: */
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/* don't overflow the output sample block: */
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togo = max_sample_block_len - cnt;
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/* don't run past the breath_env input sample block: */
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susp_check_term_samples(breath_env, breath_env_ptr, breath_env_cnt);
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togo = min(togo, susp->breath_env_cnt);
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/* don't run past the freq_env input sample block: */
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susp_check_samples(freq_env, freq_env_ptr, freq_env_cnt);
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togo = min(togo, susp->freq_env_cnt);
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/* don't run past the reed_stiffness input sample block: */
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susp_check_samples(reed_stiffness, reed_stiffness_ptr, reed_stiffness_cnt);
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togo = min(togo, susp->reed_stiffness_cnt);
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/* don't run past the noise input sample block: */
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susp_check_samples(noise, noise_ptr, noise_cnt);
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togo = min(togo, susp->noise_cnt);
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/* don't run past terminate time */
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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) break;
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}
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n = togo;
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clar_reg = susp->clar;
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frequency_reg = susp->frequency;
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noise_ptr_reg = susp->noise_ptr;
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reed_stiffness_ptr_reg = susp->reed_stiffness_ptr;
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freq_env_ptr_reg = susp->freq_env_ptr;
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breath_env_ptr_reg = susp->breath_env_ptr;
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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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controlChange(clar_reg, 128, CLAR_CONTROL_CHANGE_CONST * (breath_env_scale_reg * *breath_env_ptr_reg++));
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controlChange(clar_reg, 2, CLAR_CONTROL_CHANGE_CONST * (reed_stiffness_scale_reg * *reed_stiffness_ptr_reg++));
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controlChange(clar_reg, 4, CLAR_CONTROL_CHANGE_CONST * (noise_scale_reg * *noise_ptr_reg++));
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setFrequency(clar_reg, frequency_reg + (freq_env_scale_reg * *freq_env_ptr_reg++));
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*out_ptr_reg++ = (sample_type) tick(clar_reg);
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} while (--n); /* inner loop */
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susp->clar = clar_reg;
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/* using noise_ptr_reg is a bad idea on RS/6000: */
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susp->noise_ptr += togo;
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/* using reed_stiffness_ptr_reg is a bad idea on RS/6000: */
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susp->reed_stiffness_ptr += togo;
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/* using freq_env_ptr_reg is a bad idea on RS/6000: */
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susp->freq_env_ptr += togo;
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/* using breath_env_ptr_reg is a bad idea on RS/6000: */
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susp->breath_env_ptr += togo;
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out_ptr += togo;
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susp_took(breath_env_cnt, togo);
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susp_took(freq_env_cnt, togo);
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susp_took(reed_stiffness_cnt, togo);
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susp_took(noise_cnt, togo);
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cnt += togo;
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} /* outer loop */
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/* test for termination */
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if (togo == 0 && cnt == 0) {
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snd_list_terminate(snd_list);
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} else {
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snd_list->block_len = cnt;
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susp->susp.current += cnt;
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}
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} /* clarinet_all_ssss_fetch */
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void clarinet_all_toss_fetch(susp, snd_list)
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register clarinet_all_susp_type susp;
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snd_list_type snd_list;
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{
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long final_count = susp->susp.toss_cnt;
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time_type final_time = susp->susp.t0;
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long n;
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/* fetch samples from breath_env up to final_time for this block of zeros */
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while ((round((final_time - susp->breath_env->t0) * susp->breath_env->sr)) >=
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susp->breath_env->current)
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susp_get_samples(breath_env, breath_env_ptr, breath_env_cnt);
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/* fetch samples from freq_env up to final_time for this block of zeros */
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while ((round((final_time - susp->freq_env->t0) * susp->freq_env->sr)) >=
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susp->freq_env->current)
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susp_get_samples(freq_env, freq_env_ptr, freq_env_cnt);
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/* fetch samples from reed_stiffness up to final_time for this block of zeros */
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while ((round((final_time - susp->reed_stiffness->t0) * susp->reed_stiffness->sr)) >=
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susp->reed_stiffness->current)
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susp_get_samples(reed_stiffness, reed_stiffness_ptr, reed_stiffness_cnt);
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/* fetch samples from noise up to final_time for this block of zeros */
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while ((round((final_time - susp->noise->t0) * susp->noise->sr)) >=
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susp->noise->current)
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susp_get_samples(noise, noise_ptr, noise_cnt);
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/* convert to normal processing when we hit final_count */
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/* we want each signal positioned at final_time */
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n = round((final_time - susp->breath_env->t0) * susp->breath_env->sr -
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(susp->breath_env->current - susp->breath_env_cnt));
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susp->breath_env_ptr += n;
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susp_took(breath_env_cnt, n);
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n = round((final_time - susp->freq_env->t0) * susp->freq_env->sr -
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(susp->freq_env->current - susp->freq_env_cnt));
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susp->freq_env_ptr += n;
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susp_took(freq_env_cnt, n);
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n = round((final_time - susp->reed_stiffness->t0) * susp->reed_stiffness->sr -
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(susp->reed_stiffness->current - susp->reed_stiffness_cnt));
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susp->reed_stiffness_ptr += n;
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susp_took(reed_stiffness_cnt, n);
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n = round((final_time - susp->noise->t0) * susp->noise->sr -
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(susp->noise->current - susp->noise_cnt));
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susp->noise_ptr += n;
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susp_took(noise_cnt, n);
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susp->susp.fetch = susp->susp.keep_fetch;
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(*(susp->susp.fetch))(susp, snd_list);
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}
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void clarinet_all_mark(clarinet_all_susp_type susp)
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{
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sound_xlmark(susp->breath_env);
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sound_xlmark(susp->freq_env);
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sound_xlmark(susp->reed_stiffness);
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sound_xlmark(susp->noise);
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}
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void clarinet_all_free(clarinet_all_susp_type susp)
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{
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deleteInstrument(susp->clar);
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sound_unref(susp->breath_env);
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sound_unref(susp->freq_env);
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sound_unref(susp->reed_stiffness);
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sound_unref(susp->noise);
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ffree_generic(susp, sizeof(clarinet_all_susp_node), "clarinet_all_free");
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}
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void clarinet_all_print_tree(clarinet_all_susp_type susp, int n)
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{
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indent(n);
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stdputstr("breath_env:");
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sound_print_tree_1(susp->breath_env, n);
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indent(n);
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stdputstr("freq_env:");
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sound_print_tree_1(susp->freq_env, n);
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indent(n);
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stdputstr("reed_stiffness:");
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sound_print_tree_1(susp->reed_stiffness, n);
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indent(n);
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stdputstr("noise:");
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sound_print_tree_1(susp->noise, n);
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}
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sound_type snd_make_clarinet_all(double freq, sound_type breath_env, sound_type freq_env, double vibrato_freq, double vibrato_gain, sound_type reed_stiffness, sound_type noise, rate_type sr)
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{
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register clarinet_all_susp_type susp;
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/* sr specified as input parameter */
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time_type t0 = breath_env->t0;
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int interp_desc = 0;
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sample_type scale_factor = 1.0F;
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time_type t0_min = t0;
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falloc_generic(susp, clarinet_all_susp_node, "snd_make_clarinet_all");
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susp->clar = initInstrument(CLARINET, round(sr));
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noteOn(susp->clar, freq, 1.0);
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controlChange(susp->clar, 11, CLAR_CONTROL_CHANGE_CONST * vibrato_freq);
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controlChange(susp->clar, 1, CLAR_CONTROL_CHANGE_CONST * vibrato_gain);;
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susp->frequency = freq;
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susp->susp.fetch = clarinet_all_ssss_fetch;
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susp->terminate_cnt = UNKNOWN;
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/* handle unequal start times, if any */
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if (t0 < breath_env->t0) sound_prepend_zeros(breath_env, t0);
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if (t0 < freq_env->t0) sound_prepend_zeros(freq_env, t0);
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if (t0 < reed_stiffness->t0) sound_prepend_zeros(reed_stiffness, t0);
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if (t0 < noise->t0) sound_prepend_zeros(noise, t0);
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/* minimum start time over all inputs: */
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t0_min = min(breath_env->t0, min(freq_env->t0, min(reed_stiffness->t0, min(noise->t0, t0))));
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/* how many samples to toss before t0: */
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susp->susp.toss_cnt = (long) ((t0 - t0_min) * sr + 0.5);
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if (susp->susp.toss_cnt > 0) {
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susp->susp.keep_fetch = susp->susp.fetch;
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susp->susp.fetch = clarinet_all_toss_fetch;
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}
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/* initialize susp state */
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susp->susp.free = clarinet_all_free;
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susp->susp.sr = sr;
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susp->susp.t0 = t0;
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susp->susp.mark = clarinet_all_mark;
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susp->susp.print_tree = clarinet_all_print_tree;
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susp->susp.name = "clarinet_all";
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susp->susp.log_stop_cnt = UNKNOWN;
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susp->susp.current = 0;
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susp->breath_env = breath_env;
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susp->breath_env_cnt = 0;
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susp->freq_env = freq_env;
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susp->freq_env_cnt = 0;
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susp->reed_stiffness = reed_stiffness;
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susp->reed_stiffness_cnt = 0;
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susp->noise = noise;
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susp->noise_cnt = 0;
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return sound_create((snd_susp_type)susp, t0, sr, scale_factor);
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}
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sound_type snd_clarinet_all(double freq, sound_type breath_env, sound_type freq_env, double vibrato_freq, double vibrato_gain, sound_type reed_stiffness, sound_type noise, rate_type sr)
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{
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sound_type breath_env_copy = sound_copy(breath_env);
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sound_type freq_env_copy = sound_copy(freq_env);
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sound_type reed_stiffness_copy = sound_copy(reed_stiffness);
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sound_type noise_copy = sound_copy(noise);
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return snd_make_clarinet_all(freq, breath_env_copy, freq_env_copy, vibrato_freq, vibrato_gain, reed_stiffness_copy, noise_copy, sr);
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}
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