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bw_voice_alloc should be ok, cosmetic changes to bw_note_queue

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This commit is contained in:
Stefano D'Angelo 2023-06-06 08:08:39 +02:00
parent 5c2030bf97
commit 9d699fe554
2 changed files with 45 additions and 9 deletions
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2
include/bw_note_queue.h
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@ -83,6 +83,8 @@ static inline void bw_note_queue_clear(bw_note_queue *BW_RESTRICT queue);
* #### bw_note_queue_add()
* ```>>> */
static inline void bw_note_queue_add(bw_note_queue *BW_RESTRICT queue, unsigned char note, char pressed, float velocity, char force_went_off);
/*! <<<```
* }}} */
/*** Implementation ***/

52
include/bw_voice_alloc.h
View File

@ -18,6 +18,26 @@
* File author: Stefano D'Angelo
*/
/*!
* module_type {{{ utility }}}
* version {{{ 0.5.0 }}}
* requires {{{ bw_common bw_config bw_note_queue }}}
* description {{{
* Basic voice allocator.
*
* ...
* }}}
* changelog {{{
* <ul>
* <li>Version <strong>0.5.0</strong>:
* <ul>
* <li>First release.</li>
* </ul>
* </li>
* </ul>
* }}}
*/
#ifndef _BW_VOICE_ALLOC_H
#define _BW_VOICE_ALLOC_H
@ -28,24 +48,38 @@ extern "C" {
#include <bw_common.h>
#include <bw_note_queue.h>
/*! api {{{
* #### bw_voice_alloc_mode
* ```>>> */
typedef enum
bw_voice_alloc_mode_low,
bw_voice_alloc_mode_high
} bw_voice_alloc_mode;
/*! <<<```
* #### bw_voice_alloc_opts
* ```>>> */
typedef struct {
bw_voice_alloc_mode mode;
char unison;
void (*note_on)(const void *BW_RESTRICT voice, unsigned char note, float velocity);
void (*note_off)(const void *BW_RESTRICT voice, float velocity);
unsigned char (*get_note)(const void *BW_RESTRICT voice);
char (*is_free)(const void *BW_RESTRICT voice);
void (*note_on)(void *BW_RESTRICT voice, unsigned char note, float velocity);
void (*note_off)(void *BW_RESTRICT voice, float velocity);
unsigned char (*get_note)(void *BW_RESTRICT voice);
char (*is_free)(void *BW_RESTRICT voice);
} bw_voice_alloc_opts;
/*! <<<```
* #### bw_voice_alloc()
* ```>>> */
void bw_voice_alloc(const bw_voice_alloc_opts *BW_RESTRICT opts, bw_note_queue *BW_RESTRICT queue, void **BW_RESTRICT voices, int n_voices);
/*! <<<```
* }}} */
void bw_voice_alloc(const bw_voice_alloc_opts *BW_RESTRICT opts, bw_note_queue *BW_RESTRICT queue, const void **BW_RESTRICT voices, int n_voices);
/*** Implementation ***/
void bw_voice_alloc(const bw_voice_alloc_opts *BW_RESTRICT opts, bw_note_queue *BW_RESTRICT queue, const void **BW_RESTRICT voices, int n_voices) {
/* WARNING: This part of the file is not part of the public API. Its content may
* change at any time in future versions. Please, do not use it directly. */
void bw_voice_alloc(const bw_voice_alloc_opts *BW_RESTRICT opts, bw_note_queue *BW_RESTRICT queue, void **BW_RESTRICT voices, int n_voices) {
for (unsigned char i = 0; i < queue->n_events; i++) {
bw_note_queue_event *ev = queue->events + i;
for (int j = 0; j < n_voices; j++)
@ -58,7 +92,7 @@ void bw_voice_alloc(const bw_voice_alloc_opts *BW_RESTRICT opts, bw_note_queue *
}
if (ev->status.pressed) {
for (j = 0; j < n_voices; j++)
for (int j = 0; j < n_voices; j++)
if (opt->is_free(voices[j])) {
opts->note_on(voices[j], ev->note, ev->status.velocity);
goto next_event;
@ -66,7 +100,7 @@ void bw_voice_alloc(const bw_voice_alloc_opts *BW_RESTRICT opts, bw_note_queue *
int k = -1;
int v = ev->note;
for (j = 0; j < n_voices; j++) {
for (int j = 0; j < n_voices; j++) {
int n = opts->get_note(voices[j]);
if (opts->mode == bw_voice_alloc_mode_low ? n > v : n < v) {
v = n;