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Changed control to use events mask. Added subscribe ioctl

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This commit is contained in:
Abramo Bagnara 2001-02-13 21:29:30 +00:00
parent fa51799255
commit 3e97ef3ea0
14 changed files with 225 additions and 205 deletions
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25
include/control.h
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@ -112,13 +112,14 @@ typedef enum sndrv_ctl_event_type snd_ctl_event_type_t;
#define SND_CTL_ELEM_IFACE_SEQUENCER ((snd_ctl_elem_iface_t) SNDRV_CTL_ELEM_IFACE_SEQUENCER)
#define SND_CTL_ELEM_IFACE_LAST ((snd_ctl_elem_iface_t) SNDRV_CTL_ELEM_IFACE_LAST)
#define SND_CTL_EVENT_REBUILD ((snd_ctl_event_type_t) SNDRV_CTL_EVENT_REBUILD)
#define SND_CTL_EVENT_VALUE ((snd_ctl_event_type_t) SNDRV_CTL_EVENT_VALUE)
#define SND_CTL_EVENT_INFO ((snd_ctl_event_type_t) SNDRV_CTL_EVENT_INFO)
#define SND_CTL_EVENT_ADD ((snd_ctl_event_type_t) SNDRV_CTL_EVENT_ADD)
#define SND_CTL_EVENT_REMOVE ((snd_ctl_event_type_t) SNDRV_CTL_EVENT_REMOVE)
#define SND_CTL_EVENT_ELEM ((snd_ctl_event_type_t) SNDRV_CTL_EVENT_ELEM)
#define SND_CTL_EVENT_LAST ((snd_ctl_event_type_t) SNDRV_CTL_EVENT_LAST)
#define SND_CTL_EVENT_MASK_ADD SNDRV_CTL_EVENT_MASK_ADD
#define SND_CTL_EVENT_MASK_INFO SNDRV_CTL_EVENT_MASK_INFO
#define SND_CTL_EVENT_MASK_VALUE SNDRV_CTL_EVENT_MASK_VALUE
#define SND_CTL_EVENT_MASK_REMOVE SNDRV_CTL_EVENT_MASK_REMOVE
enum _snd_ctl_type {
SND_CTL_TYPE_HW,
SND_CTL_TYPE_SHM,
@ -160,6 +161,7 @@ int snd_ctl_close(snd_ctl_t *ctl);
int snd_ctl_nonblock(snd_ctl_t *ctl, int nonblock);
int snd_ctl_async(snd_ctl_t *ctl, int sig, pid_t pid);
int snd_ctl_poll_descriptors(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int space);
int snd_ctl_subscribe_events(snd_ctl_t *ctl, int subscribe);
int snd_ctl_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info);
int snd_ctl_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t * list);
int snd_ctl_elem_info(snd_ctl_t *ctl, snd_ctl_elem_info_t *info);
@ -184,6 +186,15 @@ const char *snd_ctl_elem_type_name(snd_ctl_elem_type_t type);
const char *snd_ctl_elem_iface_name(snd_ctl_elem_iface_t iface);
const char *snd_ctl_event_type_name(snd_ctl_event_type_t type);
unsigned int snd_ctl_event_elem_get_mask(const snd_ctl_event_t *obj);
unsigned int snd_ctl_event_elem_get_numid(const snd_ctl_event_t *obj);
void snd_ctl_event_elem_get_id(const snd_ctl_event_t *obj, snd_ctl_elem_id_t *ptr);
snd_ctl_elem_iface_t snd_ctl_event_elem_get_interface(const snd_ctl_event_t *obj);
unsigned int snd_ctl_event_elem_get_device(const snd_ctl_event_t *obj);
unsigned int snd_ctl_event_elem_get_subdevice(const snd_ctl_event_t *obj);
const char *snd_ctl_event_elem_get_name(const snd_ctl_event_t *obj);
unsigned int snd_ctl_event_elem_get_index(const snd_ctl_event_t *obj);
int snd_ctl_elem_list_alloc_space(snd_ctl_elem_list_t *obj, unsigned int entries);
void snd_ctl_elem_list_free_space(snd_ctl_elem_list_t *obj);
@ -206,10 +217,10 @@ extern "C" {
typedef int (*snd_hctl_compare_t)(const snd_hctl_elem_t *e1,
const snd_hctl_elem_t *e2);
typedef int (*snd_hctl_callback_t)(snd_hctl_t *hctl,
snd_ctl_event_type_t event,
unsigned int mask,
snd_hctl_elem_t *elem);
typedef int (*snd_hctl_elem_callback_t)(snd_hctl_elem_t *elem,
snd_ctl_event_type_t event);
unsigned int mask);
int snd_hctl_open(snd_hctl_t **hctl, const char *name);
int snd_hctl_close(snd_hctl_t *hctl);