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Added 'snd_card_get_name' & 'snd_card_get_longname'.

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This commit is contained in:
Jaroslav Kysela 1999-12-11 10:50:39 +00:00
parent dc490583b2
commit 0f0ce09509
2 changed files with 45 additions and 0 deletions
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2
include/control.h
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@ -22,6 +22,8 @@ int snd_card_load(int card);
int snd_cards(void); int snd_cards(void);
unsigned int snd_cards_mask(void); unsigned int snd_cards_mask(void);
int snd_card_name(const char *name); int snd_card_name(const char *name);
int snd_card_get_name(int card, char **name);
int snd_card_get_longname(int card, char **name);
int snd_defaults_card(void); int snd_defaults_card(void);
int snd_defaults_mixer_card(void); int snd_defaults_mixer_card(void);

43
src/control/cards.c
View file

@ -22,6 +22,7 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#include <string.h>
#include <errno.h> #include <errno.h>
#include <ctype.h> #include <ctype.h>
#include <fcntl.h> #include <fcntl.h>
@ -126,3 +127,45 @@ int snd_card_name(const char *string)
} }
return -ENODEV; return -ENODEV;
} }
int snd_card_get_name(int card, char **name)
{
snd_ctl_t *handle;
struct snd_ctl_hw_info info;
int err;
if (name == NULL)
return -EINVAL;
if ((err = snd_ctl_open(&handle, card)) < 0)
return err;
if ((err = snd_ctl_hw_info(handle, &info)) < 0) {
snd_ctl_close(handle);
return err;
}
snd_ctl_close(handle);
*name = strdup(info.name);
if (*name == NULL)
return -ENOMEM;
return 0;
}
int snd_card_get_longname(int card, char **name)
{
snd_ctl_t *handle;
struct snd_ctl_hw_info info;
int err;
if (name == NULL)
return -EINVAL;
if ((err = snd_ctl_open(&handle, card)) < 0)
return err;
if ((err = snd_ctl_hw_info(handle, &info)) < 0) {
snd_ctl_close(handle);
return err;
}
snd_ctl_close(handle);
*name = strdup(info.longname);
if (*name == NULL)
return -ENOMEM;
return 0;
}