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Cleanups and new control functions (hfirst, hlast, hnext, hprev, hcount).

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This commit is contained in:
Jaroslav Kysela 2000-08-12 15:33:17 +00:00
parent 56130c04d0
commit 5bb1fcb00a
2 changed files with 53 additions and 2 deletions
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17
include/control.h
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@ -50,6 +50,10 @@ int snd_ctl_rawmidi_info(snd_ctl_t *handle, snd_rawmidi_info_t * info);
int snd_ctl_read(snd_ctl_t *handle, snd_ctl_callbacks_t * callbacks);
#ifdef __cplusplus
}
#endif
/*
* Highlevel API for controls
*/
@ -86,12 +90,21 @@ struct snd_hcontrol_stru {
snd_ctl_t *handle; /* associated handle */
};
#ifdef __cplusplus
extern "C" {
#endif
typedef int (snd_ctl_hsort_t)(const snd_hcontrol_t *c1, const snd_hcontrol_t *c2);
typedef int (snd_ctl_hcallback_rebuild_t)(snd_ctl_t *handle, void *private_data);
typedef int (snd_ctl_hcallback_add_t)(snd_ctl_t *handle, void *private_data, snd_hcontrol_t *hcontrol);
typedef void (snd_ctl_hcallback_rebuild_t)(snd_ctl_t *handle, void *private_data);
typedef void (snd_ctl_hcallback_add_t)(snd_ctl_t *handle, void *private_data, snd_hcontrol_t *hcontrol);
int snd_ctl_hbuild(snd_ctl_t *handle, snd_ctl_hsort_t *csort);
int snd_ctl_hfree(snd_ctl_t *handle);
snd_hcontrol_t *snd_ctl_hfirst(snd_ctl_t *handle);
snd_hcontrol_t *snd_ctl_hlast(snd_ctl_t *handle);
snd_hcontrol_t *snd_ctl_hnext(snd_ctl_t *handle, snd_hcontrol_t *hcontrol);
snd_hcontrol_t *snd_ctl_hprev(snd_ctl_t *handle, snd_hcontrol_t *hcontrol);
int snd_ctl_hcount(snd_ctl_t *handle);
snd_hcontrol_t *snd_ctl_hfind(snd_ctl_t *handle, snd_control_id_t *id);
int snd_ctl_hlist(snd_ctl_t *handle, snd_hcontrol_list_t *hlist);
int snd_ctl_hsort(const snd_hcontrol_t *c1, const snd_hcontrol_t *c2);