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Added snd_pcm_sync_id_t

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This commit is contained in:
Jaroslav Kysela 2001-09-11 08:42:15 +00:00
parent d08c2eb251
commit 3c9d27c82d
2 changed files with 24 additions and 0 deletions
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11
include/pcm.h
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@ -304,6 +304,16 @@ typedef struct _snd_pcm_channel_area {
unsigned int step;
} snd_pcm_channel_area_t;
/* PCM synchronization ID */
typedef union _snd_pcm_sync_id {
/** 8-bit ID */
unsigned char id[16];
/** 16-bit ID */
unsigned short id16[8];
/** 32-bit ID */
unsigned int id32[4];
} snd_pcm_sync_id_t;
/** #SND_PCM_TYPE_METER scope handle */
typedef struct _snd_pcm_scope snd_pcm_scope_t;
@ -743,6 +753,7 @@ snd_pcm_class_t snd_pcm_info_get_class(const snd_pcm_info_t *obj);
snd_pcm_subclass_t snd_pcm_info_get_subclass(const snd_pcm_info_t *obj);
unsigned int snd_pcm_info_get_subdevices_count(const snd_pcm_info_t *obj);
unsigned int snd_pcm_info_get_subdevices_avail(const snd_pcm_info_t *obj);
snd_pcm_sync_id_t snd_pcm_info_get_sync(const snd_pcm_info_t *obj);
void snd_pcm_info_set_device(snd_pcm_info_t *obj, unsigned int val);
void snd_pcm_info_set_subdevice(snd_pcm_info_t *obj, unsigned int val);
void snd_pcm_info_set_stream(snd_pcm_info_t *obj, snd_pcm_stream_t val);

13
src/pcm/pcm.c
View file

@ -4204,6 +4204,19 @@ unsigned int snd_pcm_info_get_subdevices_avail(const snd_pcm_info_t *obj)
return obj->subdevices_avail;
}
/**
* \brief Get hardware synchronization ID from a PCM info container
* \param obj PCM info container
* \return hardware synchronization ID
*/
snd_pcm_sync_id_t snd_pcm_info_get_sync(const snd_pcm_info_t *obj)
{
snd_pcm_sync_id_t res;
assert(obj);
memcpy(&res, &obj->sync, sizeof(res));
return res;
}
/**
* \brief Set wanted device inside a PCM info container (see #snd_ctl_pcm_info)
* \param obj PCM info container