mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Sync

Browse source
This commit is contained in:
Jaroslav Kysela 2003-03-02 19:28:48 +00:00
parent 2459a6d1d1
commit 5f5243ef79
1 changed files with 54 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

65
include/sound/asound.h
View file

@ -557,6 +557,9 @@ enum sndrv_timer_slave_class {
#define SNDRV_TIMER_GLOBAL_SYSTEM 0
#define SNDRV_TIMER_GLOBAL_RTC 1
/* info flags */
#define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */
struct sndrv_timer_id {
enum sndrv_timer_class dev_class;
enum sndrv_timer_slave_class dev_sclass;
@ -565,36 +568,66 @@ struct sndrv_timer_id {
int subdevice;
};
struct sndrv_timer_ginfo {
struct sndrv_timer_id tid; /* requested timer ID */
unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
int card; /* card number */
unsigned char id[64]; /* timer identification */
unsigned char name[80]; /* timer name */
unsigned long ticks; /* maximum ticks between interrupts */
unsigned long resolution; /* average period resolution in ns */
unsigned long resolution_min; /* minimal period resolution in ns */
unsigned long resolution_max; /* maximal period resolution in ns */
unsigned int clients; /* active timer clients */
unsigned char reserved[32];
};
struct sndrv_timer_gparams {
struct sndrv_timer_id tid; /* requested timer ID */
unsigned long period; /* requested minimal period in ns */
unsigned long period_num; /* requested precise period resolution (in seconds) - numerator */
unsigned long period_den; /* requested precise period resolution (in seconds) - denominator */
unsigned char reserved[32];
};
struct sndrv_timer_gstatus {
struct sndrv_timer_id tid; /* requested timer ID */
unsigned long resolution; /* current period resolution in ns */
unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */
unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */
unsigned char reserved[32];
};
struct sndrv_timer_select {
struct sndrv_timer_id id; /* bind to timer ID */
unsigned char reserved[32]; /* reserved */
};
#define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */
struct sndrv_timer_info {
unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
int card; /* R: card number */
int card; /* card number */
unsigned char id[64]; /* timer identificator */
unsigned char name[80]; /* timer name */
unsigned long ticks; /* maximum ticks */
unsigned long resolution; /* average resolution */
unsigned long ticks; /* maximum ticks between interrupts */
unsigned long resolution; /* average period resolution in ns */
unsigned char reserved[64]; /* reserved */
};
#define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* supports auto start */
#define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */
#define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */
struct sndrv_timer_params {
unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */
unsigned int ticks; /* requested resolution in ticks */
unsigned int queue_size; /* total size of queue (32-1024) */
unsigned int reserved0; /* reserved, was: failure locations */
unsigned char reserved[64]; /* reserved */
unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */
unsigned char reserved[60]; /* reserved */
};
struct sndrv_timer_status {
struct timespec tstamp; /* Timestamp - last update */
unsigned int resolution; /* current resolution in ns */
unsigned int resolution; /* current period resolution in ns */
unsigned int lost; /* counter of master tick lost */
unsigned int overrun; /* count of read queue overruns */
unsigned int queue; /* used queue size */
@ -605,13 +638,17 @@ enum {
SNDRV_TIMER_IOCTL_PVERSION = _IOR('T', 0x00, int),
SNDRV_TIMER_IOCTL_NEXT_DEVICE = _IOWR('T', 0x01, struct sndrv_timer_id),
SNDRV_TIMER_IOCTL_TREAD = _IOW('T', 0x02, int),
SNDRV_TIMER_IOCTL_GINFO = _IOWR('T', 0x03, struct sndrv_timer_ginfo),
SNDRV_TIMER_IOCTL_GPARAMS = _IOW('T', 0x04, struct sndrv_timer_gparams),
SNDRV_TIMER_IOCTL_GSTATUS = _IOWR('T', 0x05, struct sndrv_timer_gstatus),
SNDRV_TIMER_IOCTL_SELECT = _IOW('T', 0x10, struct sndrv_timer_select),
SNDRV_TIMER_IOCTL_INFO = _IOR('T', 0x11, struct sndrv_timer_info),
SNDRV_TIMER_IOCTL_PARAMS = _IOW('T', 0x12, struct sndrv_timer_params),
SNDRV_TIMER_IOCTL_STATUS = _IOW('T', 0x14, struct sndrv_timer_status),
SNDRV_TIMER_IOCTL_STATUS = _IOR('T', 0x14, struct sndrv_timer_status),
SNDRV_TIMER_IOCTL_START = _IO('T', 0x20),
SNDRV_TIMER_IOCTL_STOP = _IO('T', 0x21),
SNDRV_TIMER_IOCTL_CONTINUE = _IO('T', 0x22),
SNDRV_TIMER_IOCTL_PAUSE = _IO('T', 0x23),
};
struct sndrv_timer_read {
@ -624,7 +661,13 @@ enum sndrv_timer_event {
SNDRV_TIMER_EVENT_TICK, /* val = ticks */
SNDRV_TIMER_EVENT_START, /* val = resolution in ns */
SNDRV_TIMER_EVENT_STOP, /* val = 0 */
SNDRV_TIMER_EVENT_CONTINUE /* val = resolution in ns */
SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */
/* master timer events for slave timer instances */
SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
};
struct sndrv_timer_tread {
@ -761,7 +804,7 @@ struct sndrv_ctl_elem_value {
} bytes;
struct sndrv_aes_iec958 iec958;
} value; /* RO */
struct timespec timestamp;
struct timespec tstamp;
unsigned char reserved[128-sizeof(struct timespec)];
};