control_external.h File Reference

External control plugin SDK. More...

Include dependency graph for control_external.h:

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Data Structures
struct	snd_ctl_ext_t
struct	snd_ctl_ext_callback_t

Macros
#define	SND_CTL_PLUGIN_ENTRY(name)   _snd_ctl_##name##_open
#define	SND_CTL_PLUGIN_SYMBOL(name)   SND_DLSYM_BUILD_VERSION(SND_CTL_PLUGIN_ENTRY(name), SND_CONTROL_DLSYM_VERSION);
#define	SND_CTL_PLUGIN_DEFINE_FUNC(plugin)
#define	SND_CTL_EXT_VERSION_MAJOR   1
#define	SND_CTL_EXT_VERSION_MINOR   0
#define	SND_CTL_EXT_VERSION_TINY   1
#define	SND_CTL_EXT_VERSION
#define	SND_CTL_EXT_KEY_NOT_FOUND   (snd_ctl_ext_key_t)(-1)

Typedefs
typedef unsigned long	snd_ctl_ext_key_t
typedef snd_ctl_ext	snd_ctl_ext_t
typedef snd_ctl_ext_callback	snd_ctl_ext_callback_t
typedef int()	snd_ctl_ext_tlv_rw_t(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, int op_flag, unsigned int numid, unsigned int *tlv, unsigned int tlv_size)

Enumerations
enum	snd_ctl_ext_access_t {   SND_CTL_EXT_ACCESS_READ = (1<<0) , SND_CTL_EXT_ACCESS_WRITE = (1<<1) , SND_CTL_EXT_ACCESS_READWRITE = (3<<0) , SND_CTL_EXT_ACCESS_VOLATILE = (1<<2) ,   SND_CTL_EXT_ACCESS_TLV_READ = (1<<4) , SND_CTL_EXT_ACCESS_TLV_WRITE = (1<<5) , SND_CTL_EXT_ACCESS_TLV_READWRITE = (3<<4) , SND_CTL_EXT_ACCESS_TLV_COMMAND = (1<<6) ,   SND_CTL_EXT_ACCESS_INACTIVE = (1<<8) , SND_CTL_EXT_ACCESS_TLV_CALLBACK = (1<<28) }

Functions
int	snd_ctl_ext_create (snd_ctl_ext_t *ext, const char *name, int mode)
int	snd_ctl_ext_delete (snd_ctl_ext_t *ext)

Detailed Description

External control plugin SDK.

Author

Takashi Iwai tiwai.nosp@m.@sus.nosp@m.e.de

Date

2005

External control plugin SDK.