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

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Macros
#define	SND_RAWMIDI_DLSYM_VERSION _dlsym_rawmidi_001

#define	SND_RAWMIDI_APPEND

#define	SND_RAWMIDI_NONBLOCK

#define	SND_RAWMIDI_SYNC

#define	SND_RAWMIDI_INFO_UMP 0x00000008

#define	SNDRV_RAWMIDI_INFO_STREAM_INACTIVE 0x00000010

#define	snd_rawmidi_info_alloca(ptr)
	allocate an invalid snd_rawmidi_info_t using standard alloca

#define	snd_rawmidi_params_alloca(ptr)
	allocate an invalid snd_rawmidi_params_t using standard alloca

#define	snd_rawmidi_status_alloca(ptr)
	allocate an invalid snd_rawmidi_status_t using standard alloca

Typedefs
typedef struct _snd_rawmidi_info	snd_rawmidi_info_t

typedef struct _snd_rawmidi_params	snd_rawmidi_params_t

typedef struct _snd_rawmidi_status	snd_rawmidi_status_t

typedef struct _snd_rawmidi	snd_rawmidi_t

Enumerations
enum	snd_rawmidi_stream_t { SND_RAWMIDI_STREAM_OUTPUT = 0 , SND_RAWMIDI_STREAM_INPUT , SND_RAWMIDI_STREAM_LAST = SND_RAWMIDI_STREAM_INPUT }

enum	snd_rawmidi_type_t { SND_RAWMIDI_TYPE_HW , SND_RAWMIDI_TYPE_SHM , SND_RAWMIDI_TYPE_INET , SND_RAWMIDI_TYPE_VIRTUAL }

enum	snd_rawmidi_clock_t { SND_RAWMIDI_CLOCK_NONE = 0 , SND_RAWMIDI_CLOCK_REALTIME = 1 , SND_RAWMIDI_CLOCK_MONOTONIC = 2 , SND_RAWMIDI_CLOCK_MONOTONIC_RAW = 3 }

enum	snd_rawmidi_read_mode_t { SND_RAWMIDI_READ_STANDARD = 0 , SND_RAWMIDI_READ_TSTAMP = 1 }

Functions
int	snd_rawmidi_open (snd_rawmidi_t in_rmidi, snd_rawmidi_t out_rmidi, const char *name, int mode)
	Opens a new connection to the RawMidi interface.

int	snd_rawmidi_open_lconf (snd_rawmidi_t in_rmidi, snd_rawmidi_t out_rmidi, const char name, int mode, snd_config_t lconf)
	Opens a new connection to the RawMidi interface using local configuration.

int	snd_rawmidi_close (snd_rawmidi_t *rmidi)
	close RawMidi handle

int	snd_rawmidi_poll_descriptors_count (snd_rawmidi_t *rmidi)
	get count of poll descriptors for RawMidi handle

int	snd_rawmidi_poll_descriptors (snd_rawmidi_t rmidi, struct pollfd pfds, unsigned int space)
	get poll descriptors

int	snd_rawmidi_poll_descriptors_revents (snd_rawmidi_t rawmidi, struct pollfd pfds, unsigned int nfds, unsigned short *revent)
	get returned events from poll descriptors

int	snd_rawmidi_nonblock (snd_rawmidi_t *rmidi, int nonblock)
	set nonblock mode

size_t	snd_rawmidi_info_sizeof (void)
	get size of the snd_rawmidi_info_t structure in bytes

int	snd_rawmidi_info_malloc (snd_rawmidi_info_t **ptr)
	allocate a new snd_rawmidi_info_t structure

void	snd_rawmidi_info_free (snd_rawmidi_info_t *obj)
	frees the snd_rawmidi_info_t structure

void	snd_rawmidi_info_copy (snd_rawmidi_info_t dst, const snd_rawmidi_info_t src)
	copy one snd_rawmidi_info_t structure to another

unsigned int	snd_rawmidi_info_get_device (const snd_rawmidi_info_t *obj)
	get rawmidi device number

unsigned int	snd_rawmidi_info_get_subdevice (const snd_rawmidi_info_t *obj)
	get rawmidi subdevice number

snd_rawmidi_stream_t	snd_rawmidi_info_get_stream (const snd_rawmidi_info_t *obj)
	get rawmidi stream identification

int	snd_rawmidi_info_get_card (const snd_rawmidi_info_t *obj)
	get rawmidi card number

unsigned int	snd_rawmidi_info_get_flags (const snd_rawmidi_info_t *obj)
	get rawmidi flags

const char *	snd_rawmidi_info_get_id (const snd_rawmidi_info_t *obj)
	get rawmidi hardware driver identifier

const char *	snd_rawmidi_info_get_name (const snd_rawmidi_info_t *obj)
	get rawmidi hardware driver name

const char *	snd_rawmidi_info_get_subdevice_name (const snd_rawmidi_info_t *obj)
	get rawmidi subdevice name

unsigned int	snd_rawmidi_info_get_subdevices_count (const snd_rawmidi_info_t *obj)
	get rawmidi count of subdevices

unsigned int	snd_rawmidi_info_get_subdevices_avail (const snd_rawmidi_info_t *obj)
	get rawmidi available count of subdevices

int	snd_rawmidi_info_get_tied_device (const snd_rawmidi_info_t *obj)
	get the tied device number for the given rawmidi device

void	snd_rawmidi_info_set_device (snd_rawmidi_info_t *obj, unsigned int val)
	set rawmidi device number

void	snd_rawmidi_info_set_subdevice (snd_rawmidi_info_t *obj, unsigned int val)
	set rawmidi subdevice number

void	snd_rawmidi_info_set_stream (snd_rawmidi_info_t *obj, snd_rawmidi_stream_t val)
	set rawmidi stream identifier

int	snd_rawmidi_info (snd_rawmidi_t rmidi, snd_rawmidi_info_t info)
	get information about RawMidi handle

size_t	snd_rawmidi_params_sizeof (void)
	get size of the snd_rawmidi_params_t structure in bytes

int	snd_rawmidi_params_malloc (snd_rawmidi_params_t **ptr)
	allocate the snd_rawmidi_params_t structure

void	snd_rawmidi_params_free (snd_rawmidi_params_t *obj)
	frees the snd_rawmidi_params_t structure

void	snd_rawmidi_params_copy (snd_rawmidi_params_t dst, const snd_rawmidi_params_t src)
	copy one snd_rawmidi_params_t structure to another

int	snd_rawmidi_params_set_buffer_size (snd_rawmidi_t rmidi, snd_rawmidi_params_t params, size_t val)
	set rawmidi I/O ring buffer size

size_t	snd_rawmidi_params_get_buffer_size (const snd_rawmidi_params_t *params)
	get rawmidi I/O ring buffer size

int	snd_rawmidi_params_set_avail_min (snd_rawmidi_t rmidi, snd_rawmidi_params_t params, size_t val)
	set minimum available bytes in rawmidi I/O ring buffer for wakeup

size_t	snd_rawmidi_params_get_avail_min (const snd_rawmidi_params_t *params)
	get minimum available bytes in rawmidi I/O ring buffer for wakeup

int	snd_rawmidi_params_set_no_active_sensing (snd_rawmidi_t rmidi, snd_rawmidi_params_t params, int val)
	set no-active-sensing action on snd_rawmidi_close()

int	snd_rawmidi_params_get_no_active_sensing (const snd_rawmidi_params_t *params)
	get no-active-sensing action status

int	snd_rawmidi_params_set_read_mode (const snd_rawmidi_t rawmidi, snd_rawmidi_params_t params, snd_rawmidi_read_mode_t val)
	set read mode

snd_rawmidi_read_mode_t	snd_rawmidi_params_get_read_mode (const snd_rawmidi_params_t *params)
	get current read mode

int	snd_rawmidi_params_set_clock_type (const snd_rawmidi_t rawmidi, snd_rawmidi_params_t params, snd_rawmidi_clock_t val)
	sets clock type for tstamp type framing

snd_rawmidi_clock_t	snd_rawmidi_params_get_clock_type (const snd_rawmidi_params_t *params)
	get current clock type (for tstamp type framing)

int	snd_rawmidi_params (snd_rawmidi_t rmidi, snd_rawmidi_params_t params)
	set parameters about rawmidi stream

int	snd_rawmidi_params_current (snd_rawmidi_t rmidi, snd_rawmidi_params_t params)
	get current parameters about rawmidi stream

size_t	snd_rawmidi_status_sizeof (void)
	get size of the snd_rawmidi_status_t structure in bytes

int	snd_rawmidi_status_malloc (snd_rawmidi_status_t **ptr)
	allocate the snd_rawmidi_status_t structure

void	snd_rawmidi_status_free (snd_rawmidi_status_t *obj)
	frees the snd_rawmidi_status_t structure

void	snd_rawmidi_status_copy (snd_rawmidi_status_t dst, const snd_rawmidi_status_t src)
	copy one snd_rawmidi_status_t structure to another

void	snd_rawmidi_status_get_tstamp (const snd_rawmidi_status_t obj, snd_htimestamp_t ptr)
	get the start timestamp

size_t	snd_rawmidi_status_get_avail (const snd_rawmidi_status_t *obj)
	get current available bytes in the rawmidi I/O ring buffer

size_t	snd_rawmidi_status_get_xruns (const snd_rawmidi_status_t *obj)
	get count of xruns

int	snd_rawmidi_status (snd_rawmidi_t rmidi, snd_rawmidi_status_t status)
	get status of rawmidi stream

int	snd_rawmidi_drain (snd_rawmidi_t *rmidi)
	drain all bytes in the rawmidi I/O ring buffer

int	snd_rawmidi_drop (snd_rawmidi_t *rmidi)
	drop all bytes in the rawmidi I/O ring buffer immediately

ssize_t	snd_rawmidi_write (snd_rawmidi_t rmidi, const void buffer, size_t size)
	write MIDI bytes to MIDI stream

ssize_t	snd_rawmidi_read (snd_rawmidi_t rmidi, void buffer, size_t size)
	read MIDI bytes from MIDI stream

ssize_t	snd_rawmidi_tread (snd_rawmidi_t rmidi, struct timespec tstamp, void *buffer, size_t size)
	read MIDI bytes from MIDI stream with timestamp

const char *	snd_rawmidi_name (snd_rawmidi_t *rmidi)
	get identifier of RawMidi handle

snd_rawmidi_type_t	snd_rawmidi_type (snd_rawmidi_t *rmidi)
	get type of RawMidi handle

snd_rawmidi_stream_t	snd_rawmidi_stream (snd_rawmidi_t *rawmidi)
	get stream (direction) of RawMidi handle

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

Date: 1998-2001

Application interface library for the ALSA driver

Macros

Typedefs

Enumerations

Functions

Detailed Description