Application interface library for the ALSA driver. More...

Include dependency graph for global.h:

Macros
#define	__SND_DLSYM_VERSION(name, version)
	Helper macro for SND_DLSYM_BUILD_VERSION.

#define	SND_DLSYM_BUILD_VERSION(name, version)
	Appends the build version to the name of a versioned dynamic symbol.

#define	__STRING(x) #x
	Return 'x' argument as string.

#define	SND_DLSYM_VERSION(version) __STRING(version)
	Returns the version of a dynamic symbol as a string.

#define	__snd_alloca(ptr, type) do { ptr = (type##_t ) alloca(type##_sizeof()); memset(*ptr, 0, type##_sizeof()); } while (0)
	alloca helper macro.

Typedefs
typedef struct _snd_async_handler	snd_async_handler_t
	Internal structure for an async notification client handler. More...

typedef void(*	snd_async_callback_t) (snd_async_handler_t *handler)
	Async notification callback. More...

typedef struct timeval	snd_timestamp_t

typedef struct timespec	snd_htimestamp_t

Functions
const char *	snd_asoundlib_version (void)
	Returns the ALSA sound library version in ASCII format. More...

int	snd_dlpath (char path, size_t path_len, const char name)
	Compose the dynamic path. More...

void *	snd_dlopen (const char file, int mode, char errbuf, size_t errbuflen)
	Opens a dynamic library - ALSA wrapper for `dlopen`. More...

void *	snd_dlsym (void handle, const char name, const char *version)
	Resolves a symbol from a dynamic library - ALSA wrapper for `dlsym`. More...

int	snd_dlclose (void *handle)
	Closes a dynamic library - ALSA wrapper for `dlclose`. More...

int	snd_async_add_handler (snd_async_handler_t *handler, int fd, snd_async_callback_t callback, void private_data)
	Registers an async handler. More...

int	snd_async_del_handler (snd_async_handler_t *handler)
	Deletes an async handler. More...

int	snd_async_handler_get_fd (snd_async_handler_t *handler)
	Returns the file descriptor assigned to an async handler. More...

int	snd_async_handler_get_signo (snd_async_handler_t *handler)
	Returns the signal number assigned to an async handler. More...

void *	snd_async_handler_get_callback_private (snd_async_handler_t *handler)
	Returns the private data assigned to an async handler. More...

struct snd_shm_area *	snd_shm_area_create (int shmid, void *ptr)

struct snd_shm_area *	snd_shm_area_share (struct snd_shm_area *area)

int	snd_shm_area_destroy (struct snd_shm_area *area)

int	snd_user_file (const char file, char *result)
	Get the full file name. More...

Detailed Description

Application interface library for the ALSA driver.

Author: Jaroslav Kysela perex.nosp@m.@per.nosp@m.ex.cz; Abramo Bagnara abram.nosp@m.o@al.nosp@m.sa-pr.nosp@m.ojec.nosp@m.t.org; Takashi Iwai tiwai.nosp@m.@sus.nosp@m.e.de

Application interface library for the ALSA driver

Macros