mirror of
https://github.com/ericonr/sndio.git
synced 2024-02-18 04:45:21 -06:00
197 lines
4.1 KiB
C
197 lines
4.1 KiB
C
/* $OpenBSD$ */
|
|
/*
|
|
* Copyright (c) 2014 Alexandre Ratchov <alex@caoua.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <poll.h>
|
|
#include <sndio.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "abuf.h"
|
|
#include "defs.h"
|
|
#include "dev.h"
|
|
#include "dsp.h"
|
|
#include "file.h"
|
|
#include "dev_siomix.h"
|
|
#include "utils.h"
|
|
#include "bsd-compat.h"
|
|
|
|
void dev_siomix_ondesc(void *, struct siomix_desc *, int);
|
|
void dev_siomix_onctl(void *, unsigned int, unsigned int);
|
|
int dev_siomix_pollfd(void *, struct pollfd *);
|
|
int dev_siomix_revents(void *, struct pollfd *);
|
|
void dev_siomix_in(void *);
|
|
void dev_siomix_out(void *);
|
|
void dev_siomix_hup(void *);
|
|
|
|
struct fileops dev_siomix_ops = {
|
|
"siomix",
|
|
dev_siomix_pollfd,
|
|
dev_siomix_revents,
|
|
dev_siomix_in,
|
|
dev_siomix_out,
|
|
dev_siomix_hup
|
|
};
|
|
|
|
void
|
|
dev_siomix_ondesc(void *arg, struct siomix_desc *desc, int val)
|
|
{
|
|
struct dev *d = arg;
|
|
struct ctl *c;
|
|
|
|
if (desc == NULL)
|
|
return;
|
|
|
|
for (c = d->ctl_list; c != NULL; c = c->next) {
|
|
if (c->addr != desc->addr)
|
|
continue;
|
|
if (c->type != SIOMIX_LABEL)
|
|
continue;
|
|
ctl_log(c);
|
|
log_puts(": label -> ");
|
|
log_puts(desc->chan0.str);
|
|
log_puts("\n");
|
|
strlcpy(c->chan0.str, desc->chan0.str, CTL_NAMEMAX);
|
|
c->desc_mask = ~0;
|
|
return;
|
|
}
|
|
c = dev_addctl(d, desc->type, desc->addr,
|
|
desc->chan0.str, desc->chan0.opt, desc->func,
|
|
desc->chan1.str, desc->chan1.opt);
|
|
c->curval = val;
|
|
#ifdef DEBUG
|
|
if (log_level >= 3) {
|
|
dev_log(d);
|
|
log_puts(": added: ");
|
|
ctl_log(c);
|
|
log_puts("\n");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void
|
|
dev_siomix_onctl(void *arg, unsigned int addr, unsigned int val)
|
|
{
|
|
struct dev *d = arg;
|
|
struct ctl *c;
|
|
|
|
dev_log(d);
|
|
log_puts(": onctl ");
|
|
log_putu(addr);
|
|
log_puts(", ");
|
|
log_putu(val);
|
|
log_puts("\n");
|
|
|
|
for (c = d->ctl_list; c != NULL; c = c->next) {
|
|
if (c->addr != addr)
|
|
continue;
|
|
ctl_log(c);
|
|
log_puts(": new value -> ");
|
|
log_putu(val);
|
|
log_puts("\n");
|
|
c->val_mask = ~0U;
|
|
c->curval = val;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* open the mixer device.
|
|
*/
|
|
void
|
|
dev_siomix_open(struct dev *d)
|
|
{
|
|
d->siomix.hdl = siomix_open(d->path, SIOMIX_READ | SIOMIX_WRITE, 0);
|
|
if (d->siomix.hdl == NULL)
|
|
return;
|
|
siomix_ondesc(d->siomix.hdl, dev_siomix_ondesc, d);
|
|
siomix_onctl(d->siomix.hdl, dev_siomix_onctl, d);
|
|
d->siomix.file = file_new(&dev_siomix_ops, d, d->path,
|
|
siomix_nfds(d->siomix.hdl));
|
|
}
|
|
|
|
/*
|
|
* close the mixer device.
|
|
*/
|
|
void
|
|
dev_siomix_close(struct dev *d)
|
|
{
|
|
if (d->siomix.hdl == NULL)
|
|
return;
|
|
file_del(d->siomix.file);
|
|
siomix_close(d->siomix.hdl);
|
|
d->siomix.hdl = NULL;
|
|
}
|
|
|
|
int
|
|
dev_siomix_pollfd(void *arg, struct pollfd *pfd)
|
|
{
|
|
struct dev *d = arg;
|
|
struct ctl *c;
|
|
int n, events = 0;
|
|
|
|
for (c = d->ctl_list; c != NULL; c = c->next) {
|
|
if (c->dirty)
|
|
events |= POLLOUT;
|
|
}
|
|
n = siomix_pollfd(d->siomix.hdl, pfd, events);
|
|
if (events && n == 0)
|
|
return -1; /* immed */
|
|
return n;
|
|
}
|
|
|
|
int
|
|
dev_siomix_revents(void *arg, struct pollfd *pfd)
|
|
{
|
|
struct dev *d = arg;
|
|
|
|
return siomix_revents(d->siomix.hdl, pfd);
|
|
}
|
|
|
|
void
|
|
dev_siomix_in(void *arg)
|
|
{
|
|
}
|
|
|
|
void
|
|
dev_siomix_out(void *arg)
|
|
{
|
|
struct dev *d = arg;
|
|
struct ctl *c;
|
|
|
|
for (c = d->ctl_list; c != NULL; c = c->next) {
|
|
if (!c->dirty)
|
|
continue;
|
|
if (!siomix_setctl(d->siomix.hdl, c->addr, c->curval))
|
|
break;
|
|
if (log_level >= 2) {
|
|
ctl_log(c);
|
|
log_puts(": changed\n");
|
|
}
|
|
c->dirty = 0;
|
|
dev_unref(d);
|
|
}
|
|
}
|
|
|
|
void
|
|
dev_siomix_hup(void *arg)
|
|
{
|
|
struct dev *d = arg;
|
|
|
|
dev_siomix_close(d);
|
|
}
|