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Added hooked PCM type (one sample hook implementation will follow). Some cleaning.

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This commit is contained in:
Abramo Bagnara 2001-06-04 18:04:18 +00:00
parent 7f33541268
commit 7f651b3071
28 changed files with 702 additions and 128 deletions
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18
include/pcm.h
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@ -235,6 +235,8 @@ typedef struct _snd_pcm snd_pcm_t;
enum _snd_pcm_type {
/** Kernel level PCM */
SND_PCM_TYPE_HW,
/** Hooked PCM */
SND_PCM_TYPE_HOOKS,
/** One ore more linked PCM with exclusive access to selected
channels */
SND_PCM_TYPE_MULTI,
@ -718,6 +720,22 @@ 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);
typedef enum _snd_pcm_hook_type {
SND_PCM_HOOK_HW_PARAMS,
SND_PCM_HOOK_HW_FREE,
SND_PCM_HOOK_CLOSE,
SND_PCM_HOOK_LAST = SND_PCM_HOOK_CLOSE,
} snd_pcm_hook_type_t;
typedef struct _snd_pcm_hook snd_pcm_hook_t;
typedef int (*snd_pcm_hook_func_t)(snd_pcm_hook_t *hook);
snd_pcm_t *snd_pcm_hook_get_pcm(snd_pcm_hook_t *hook);
void *snd_pcm_hook_get_private(snd_pcm_hook_t *hook);
int snd_pcm_hook_add(snd_pcm_hook_t **hookp, snd_pcm_t *pcm,
snd_pcm_hook_type_t type,
snd_pcm_hook_func_t func, void *private_data);
int snd_pcm_hook_remove(snd_pcm_hook_t *hook);
#ifdef __cplusplus
}
#endif