Added sort & compare functions to the mixer API.

This commit is contained in:
Jaroslav Kysela 2001-02-12 13:29:33 +00:00
parent 955b9fc335
commit 6f3b01b79c
7 changed files with 160 additions and 63 deletions

View file

@ -94,47 +94,45 @@ static const char *get_short_name(const char *lname)
return lname;
}
#if 0
static const char *get_long_name(const char *sname)
static int get_compare_weight(const char *name, int index)
{
struct mixer_name_table *p;
for (p = name_table; p->longname; p++) {
if (!strcmp(sname, p->shortname))
return p->longname;
}
return sname;
}
static char *names[] = {
"Master Mono",
"Master Digital",
"Master",
"Tone Control - Bass",
"Tone Control - Treble",
"Synth Tone Control - Bass",
"Synth Tone Control - Treble",
"PCM",
"Surround",
"Synth",
"FM",
"Wave",
"Music",
"DSP",
"Line",
"CD",
"Mic",
"Video",
"Phone",
"PC Speaker",
"Aux",
"Mono Output",
"Mono",
"Playback",
"Capture Boost",
"Capture",
NULL
};
int res;
static const char *simple_elems[] = {
"Master Mono",
"Master Digital",
"Master",
"Tone Control - Bass",
"Tone Control - Treble",
"Synth Tone Control - Bass",
"Synth Tone Control - Treble",
"PCM",
"Surround",
"Synth",
"FM",
"Wave",
"Music",
"DSP",
"Line",
"CD",
"Mic",
"Video",
"Phone",
"PC Speaker",
"Aux",
"Mono Output",
"Mono",
"Playback",
"Capture Boost",
"Capture",
NULL
};
#endif
for (res = 0; names[res] != NULL; res++)
if (!strcmp(name, names[res]))
return MIXER_COMPARE_WEIGHT_SIMPLE_BASE +
(res * 1000) + index;
return MIXER_COMPARE_WEIGHT_NOT_FOUND;
}
static int selem_info(snd_mixer_elem_t *elem,
snd_mixer_selem_info_t *info)
@ -592,7 +590,7 @@ static struct suf {
const char *suffix;
selem_ctl_type_t type;
} suffixes[] = {
{ " Playback Switch", CTL_PLAYBACK_SWITCH},
{" Playback Switch", CTL_PLAYBACK_SWITCH},
{" Playback Route", CTL_PLAYBACK_ROUTE},
{" Playback Volume", CTL_PLAYBACK_VOLUME},
{" Capture Switch", CTL_CAPTURE_SWITCH},
@ -713,6 +711,7 @@ int simple_add1(snd_mixer_class_t *class, const char *name,
err = snd_mixer_elem_attach(melem, helem);
if (err < 0)
return err;
melem->compare_weight = get_compare_weight(simple->id.name, simple->id.index);
err = simple_update(melem);
assert(err >= 0);
if (new)
@ -743,13 +742,24 @@ int simple_event_add(snd_mixer_class_t *class, snd_hctl_elem_t *helem)
err = snd_hctl_elem_info(helem, info);
assert(err >= 0);
n = snd_ctl_elem_info_get_item_name(info);
#if 0
/* FIXME: es18xx has both Mix and Master */
if (strcmp(n, "Mix") == 0)
n = "Master";
else if (strcmp(n, "Mono Mix") == 0)
n = "Master Mono";
#endif
if (!strcmp(n, "Mix") || !strcmp(n, "Mono Mix")) {
snd_hctl_t *hctl;
hctl = snd_hctl_elem_get_handle(helem);
if (hctl != NULL) {
snd_ctl_elem_id_t *eid;
snd_ctl_elem_id_alloca(&eid);
snd_ctl_elem_id_set_interface(eid, SND_CTL_ELEM_IFACE_MIXER);
if (!strcmp(n, "Mix")) {
snd_ctl_elem_id_set_name(eid, "Mix");
if (snd_hctl_find_elem(hctl, eid) == NULL)
n = "Master";
} else if (!strcmp(n, "Mono Mix")) {
snd_ctl_elem_id_set_name(eid, "Mono Mix");
if (snd_hctl_find_elem(hctl, eid) == NULL)
n = "Master Mono";
}
}
}
err = simple_add1(class, n, helem, CTL_CAPTURE_SOURCE, k);
if (err < 0)
return err;
@ -815,6 +825,13 @@ int simple_event(snd_mixer_class_t *class, snd_ctl_event_type_t event,
return 0;
}
static int simple_compare(const snd_mixer_elem_t *c1, const snd_mixer_elem_t *c2)
{
selem_t *s1 = c1->private_data;
selem_t *s2 = c2->private_data;
return strcmp(s1->id.name, s2->id.name);
}
int snd_mixer_selem_register(snd_mixer_t *mixer, snd_mixer_class_t **classp)
{
snd_mixer_class_t *class = calloc(1, sizeof(*class));
@ -822,6 +839,7 @@ int snd_mixer_selem_register(snd_mixer_t *mixer, snd_mixer_class_t **classp)
if (!class)
return -ENOMEM;
class->event = simple_event;
class->compare = simple_compare;
err = snd_mixer_class_register(class, mixer);
if (err < 0) {
free(class);