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sndio
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Make the control group a simple string. 

To handle nested devices, just prefix the group with the "dev."
prefix. To avoid namespace conflicts, put program controls in a
new "app" group.

The "master.level" control is renamed to "output.level" to match the
hardware name. This way snd/0 and rsnd/0 end-up with the same control
name.
This commit is contained in:
Alexandre Ratchov 2020-01-13 09:27:06 +01:00
parent 9edbee2bc1
commit 74ae9cda72
10 changed files with 32 additions and 47 deletions
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2
libsndio/amsg.h
View File

@ -138,10 +138,10 @@ struct amsg_ctl_chan {
* description of a control (index, value) pair
*/
struct amsg_ctl_desc {
struct amsg_ctl_chan group; /* group of the control */
struct amsg_ctl_chan chan0; /* affected channels */
struct amsg_ctl_chan chan1; /* dito for AMSG_CTL_{SEL,VEC,LIST} */
char func[AMSG_CTL_NAMEMAX]; /* parameter function name */
char group[AMSG_CTL_NAMEMAX]; /* group of the control */
uint8_t type; /* see sioctl_desc structure */
uint8_t __pad1[1];
uint16_t addr; /* control address */

3
libsndio/sioctl_aucat.c
View File

@ -82,8 +82,7 @@ sioctl_aucat_rdata(struct sioctl_aucat_hdl *hdl)
c = hdl->buf;
rpos = 0;
while (rpos < hdl->buf_wpos) {
strlcpy(desc.group.str, c->group.str, SIOCTL_NAMEMAX);
desc.group.unit = (int16_t)ntohs(c->group.unit);
strlcpy(desc.group, c->group, SIOCTL_NAMEMAX);
strlcpy(desc.chan0.str, c->chan0.str, SIOCTL_NAMEMAX);
desc.chan0.unit = (int16_t)ntohs(c->chan0.unit);
strlcpy(desc.chan1.str, c->chan1.str, SIOCTL_NAMEMAX);

2
libsndio/sioctl_open.3
View File

@ -129,7 +129,7 @@ struct sioctl_desc {
#define SIOCTL_LIST 5 /* switch, element of a list */
unsigned int type; /* one of above */
char func[SIOCTL_NAMEMAX]; /* function name */
struct sioctl_chan group; /* group this control belongs to */
char group[SIOCTL_NAMEMAX]; /* group this control belongs to */
struct sioctl_chan chan0; /* affected channels */
struct sioctl_chan chan1; /* dito for SIOCTL_{VEC,LIST} */
};

1
libsndio/sioctl_sun.c
View File

@ -224,7 +224,6 @@ scanvol(struct sioctl_sun_hdl *hdl, struct wskbd_vol *vol)
int i, val;
memset(&desc, 0, sizeof(struct sioctl_desc));
desc.group.unit = -1;
if (vol->level_idx >= 0) {
ctrl.dev = vol->level_idx;
ctrl.type = AUDIO_MIXER_VALUE;

2
libsndio/sndio.h
View File

@ -113,7 +113,7 @@ struct sioctl_desc {
#define SIOCTL_LIST 5 /* switch, element of a list */
unsigned int type; /* one of above */
char func[SIOCTL_NAMEMAX]; /* function name */
struct sioctl_chan group; /* group this control belongs to */
char group[SIOCTL_NAMEMAX]; /* group this control belongs to */
struct sioctl_chan chan0; /* affected channels */
struct sioctl_chan chan1; /* dito for SIOCTL_{VEC,LIST} */
};

11
sndioctl/sndioctl.c
View File

@ -78,10 +78,7 @@ cmpdesc(struct sioctl_desc *d1, struct sioctl_desc *d2)
{
int res;
res = strcmp(d1->group.str, d2->group.str);
if (res != 0)
return res;
res = d1->group.unit - d2->group.unit;
res = strcmp(d1->group, d2->group);
if (res != 0)
return res;
res = strcmp(d1->chan0.str, d2->chan0.str);
@ -397,10 +394,8 @@ print_val(struct info *p, int mono)
void
print_par(struct info *p, int mono, char *comment)
{
if (p->desc.group.str[0] != 0) {
printf("%s", p->desc.group.str);
if (p->desc.group.unit >= 0)
printf("%d", p->desc.group.unit);
if (p->desc.group[0] != 0) {
printf("%s", p->desc.group);
printf("/");
}
print_chan(&p->desc.chan0, mono);

35
sndiod/dev.c
View File

@ -1112,7 +1112,7 @@ dev_allocbufs(struct dev *d)
int
dev_open(struct dev *d)
{
int i, gunit;
int i;
struct ctl *c;
d->mode = d->reqmode;
@ -1136,32 +1136,14 @@ dev_open(struct dev *d)
if (!dev_allocbufs(d))
return 0;
/*
* we use the "sndiod" group name. find a unused
* unit number for it
*/
gunit = 0;
c = d->ctl_list;
while (1) {
if (c == NULL)
break;
if (strcmp(c->group.str, "sndiod") == 0 &&
c->group.unit == gunit) {
gunit++;
c = d->ctl_list;
continue;
}
c = c->next;
}
for (i = 0; i < DEV_NSLOT; i++) {
dev_addctl(d, "app", -1, CTL_NUM,
dev_addctl(d, "app", CTL_NUM,
CTLADDR_SLOT_LEVEL(i),
d->slot[i].name, d->slot[i].unit, "level",
NULL, -1, d->slot[i].vol);
}
dev_addctl(d, "sndiod", gunit, CTL_NUM,
CTLADDR_MASTER, "master", -1, "level", NULL, -1, d->master);
dev_addctl(d, "", CTL_NUM,
CTLADDR_MASTER, "output", -1, "level", NULL, -1, d->master);
d->pstate = DEV_INIT;
return 1;
@ -2242,8 +2224,8 @@ ctl_chan_log(struct ctl_chan *c)
void
ctl_log(struct ctl *c)
{
if (c->group.str[0] != 0) {
ctl_chan_log(&c->group);
if (c->group[0] != 0) {
log_puts(c->group);
log_puts("/");
}
ctl_chan_log(&c->chan0);
@ -2269,7 +2251,7 @@ ctl_log(struct ctl *c)
* add a ctl
*/
struct ctl *
dev_addctl(struct dev *d, char *gstr, int gunit, int type, int addr,
dev_addctl(struct dev *d, char *gstr, int type, int addr,
char *str0, int unit0, char *func, char *str1, int unit1, int val)
{
struct ctl *c, **pc;
@ -2278,8 +2260,7 @@ dev_addctl(struct dev *d, char *gstr, int gunit, int type, int addr,
c = xmalloc(sizeof(struct ctl));
c->type = type;
strlcpy(c->func, func, CTL_NAMEMAX);
strlcpy(c->group.str, gstr, CTL_NAMEMAX);
c->group.unit = gunit;
strlcpy(c->group, gstr, CTL_NAMEMAX);
strlcpy(c->chan0.str, str0, CTL_NAMEMAX);
c->chan0.unit = unit0;
if (c->type == CTL_VEC || c->type == CTL_LIST) {

5
sndiod/dev.h
View File

@ -129,10 +129,11 @@ struct ctl {
unsigned int addr; /* control address */
#define CTL_NAMEMAX 16 /* max name lenght */
char func[CTL_NAMEMAX]; /* parameter function name */
char group[CTL_NAMEMAX]; /* group aka namespace */
struct ctl_chan {
char str[CTL_NAMEMAX]; /* stream name */
int unit;
} group, chan0, chan1; /* affected channels */
} chan0, chan1; /* affected channels */
unsigned int val_mask;
unsigned int desc_mask;
unsigned int refs_mask;
@ -305,7 +306,7 @@ int dev_setctl(struct dev *, int, int);
int dev_onval(struct dev *, int, int);
int dev_nctl(struct dev *);
void dev_label(struct dev *, int);
struct ctl *dev_addctl(struct dev *, char *, int, int, int,
struct ctl *dev_addctl(struct dev *, char *, int, int,
char *, int, char *, char *, int, int);
void dev_rmctl(struct dev *, int);
int dev_makeunit(struct dev *, char *);

15
sndiod/dev_sioctl.c
View File

@ -51,15 +51,26 @@ struct fileops dev_sioctl_ops = {
void
dev_sioctl_ondesc(void *arg, struct sioctl_desc *desc, int val)
{
#define GROUP_PREFIX "dev"
#define GROUP_PREFIX_LEN (sizeof(GROUP_PREFIX))
char group[CTL_NAMEMAX];
struct dev *d = arg;
size_t len;
int addr;
if (desc == NULL)
return;
addr = CTLADDR_END + desc->addr;
dev_rmctl(d, addr);
dev_addctl(d,
desc->group.str, desc->group.unit, desc->type, addr,
if (desc->group[0] != 0) {
len = snprintf(group, CTL_NAMEMAX,
GROUP_PREFIX ".%s", desc->group);
if (len >= CTL_NAMEMAX)
return;
} else
strlcpy(group, GROUP_PREFIX, CTL_NAMEMAX);
dev_addctl(d, group, desc->type, addr,
desc->chan0.str, desc->chan0.unit, desc->func,
desc->chan1.str, desc->chan1.unit, val);
}

3
sndiod/sock.c
View File

@ -1532,9 +1532,8 @@ sock_buildmsg(struct sock *f)
break;
c->desc_mask &= ~mask;
c->val_mask &= ~mask;
strlcpy(desc->group.str, c->group.str,
strlcpy(desc->group, c->group,
AMSG_CTL_NAMEMAX);
desc->group.unit = ntohs(c->group.unit);
strlcpy(desc->chan0.str, c->chan0.str,
AMSG_CTL_NAMEMAX);
desc->chan0.unit = ntohs(c->chan0.unit);