alsa-doc/alsa-lib/seq_8h_source.html

/*

 * Application interface library for the ALSA driver

 *

 *

 *   This library is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU Lesser General Public License as

 *   published by the Free Software Foundation; either version 2.1 of

 *   the License, or (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU Lesser General Public License for more details.

 *

 *   You should have received a copy of the GNU Lesser General Public

 *   License along with this library; if not, write to the Free Software

 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */


#if !defined(__ASOUNDLIB_H) && !defined(ALSA_LIBRARY_BUILD)

/* don't use ALSA_LIBRARY_BUILD define in sources outside alsa-lib */

#warning "use #include <alsa/asoundlib.h>, <alsa/seq.h> should not be used directly"

#include <alsa/asoundlib.h>

#endif


#ifndef __ALSA_SEQ_H

#define __ALSA_SEQ_H


#ifdef __cplusplus

extern "C" {

#endif


#define SND_SEQ_DLSYM_VERSION       _dlsym_seq_001


typedef struct _snd_seq snd_seq_t;


#define SND_SEQ_OPEN_OUTPUT 1

#define SND_SEQ_OPEN_INPUT  2

#define SND_SEQ_OPEN_DUPLEX (SND_SEQ_OPEN_OUTPUT|SND_SEQ_OPEN_INPUT)

#define SND_SEQ_NONBLOCK    0x0001

typedef enum _snd_seq_type {

    SND_SEQ_TYPE_HW,

    SND_SEQ_TYPE_SHM,

    SND_SEQ_TYPE_INET

} snd_seq_type_t;


#define SND_SEQ_ADDRESS_UNKNOWN     253

#define SND_SEQ_ADDRESS_SUBSCRIBERS 254

#define SND_SEQ_ADDRESS_BROADCAST   255

#define SND_SEQ_CLIENT_SYSTEM       0

/*

 */

int snd_seq_open(snd_seq_t **handle, const char *name, int streams, int mode);

int snd_seq_open_lconf(snd_seq_t **handle, const char *name, int streams, int mode, snd_config_t *lconf);

const char *snd_seq_name(snd_seq_t *seq);

snd_seq_type_t snd_seq_type(snd_seq_t *seq);

int snd_seq_close(snd_seq_t *handle);

int snd_seq_poll_descriptors_count(snd_seq_t *handle, short events);

int snd_seq_poll_descriptors(snd_seq_t *handle, struct pollfd *pfds, unsigned int space, short events);

int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);

int snd_seq_nonblock(snd_seq_t *handle, int nonblock);

int snd_seq_client_id(snd_seq_t *handle);


size_t snd_seq_get_output_buffer_size(snd_seq_t *handle);

size_t snd_seq_get_input_buffer_size(snd_seq_t *handle);

int snd_seq_set_output_buffer_size(snd_seq_t *handle, size_t size);

int snd_seq_set_input_buffer_size(snd_seq_t *handle, size_t size);


typedef struct _snd_seq_system_info snd_seq_system_info_t;


size_t snd_seq_system_info_sizeof(void);

#define snd_seq_system_info_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_system_info)

int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr);

void snd_seq_system_info_free(snd_seq_system_info_t *ptr);

void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src);


int snd_seq_system_info_get_queues(const snd_seq_system_info_t *info);

int snd_seq_system_info_get_clients(const snd_seq_system_info_t *info);

int snd_seq_system_info_get_ports(const snd_seq_system_info_t *info);

int snd_seq_system_info_get_channels(const snd_seq_system_info_t *info);

int snd_seq_system_info_get_cur_clients(const snd_seq_system_info_t *info);

int snd_seq_system_info_get_cur_queues(const snd_seq_system_info_t *info);


int snd_seq_system_info(snd_seq_t *handle, snd_seq_system_info_t *info);


typedef struct _snd_seq_client_info snd_seq_client_info_t;


typedef enum snd_seq_client_type {

    SND_SEQ_USER_CLIENT     = 1,

    SND_SEQ_KERNEL_CLIENT   = 2

} snd_seq_client_type_t;


enum {

    SND_SEQ_CLIENT_LEGACY_MIDI = 0,

    SND_SEQ_CLIENT_UMP_MIDI_1_0 = 1,

    SND_SEQ_CLIENT_UMP_MIDI_2_0 = 2

};


size_t snd_seq_client_info_sizeof(void);

#define snd_seq_client_info_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_client_info)

int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr);

void snd_seq_client_info_free(snd_seq_client_info_t *ptr);

void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src);


int snd_seq_client_info_get_client(const snd_seq_client_info_t *info);

snd_seq_client_type_t snd_seq_client_info_get_type(const snd_seq_client_info_t *info);

const char *snd_seq_client_info_get_name(snd_seq_client_info_t *info);

int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info);

int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info);

int snd_seq_client_info_get_card(const snd_seq_client_info_t *info);

int snd_seq_client_info_get_pid(const snd_seq_client_info_t *info);

const unsigned char *snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info);

int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info);

int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info);


int snd_seq_client_info_get_midi_version(const snd_seq_client_info_t *info);

int snd_seq_client_info_get_ump_group_enabled(const snd_seq_client_info_t *info,

                          int group);

int snd_seq_client_info_get_ump_groupless_enabled(const snd_seq_client_info_t *info);

int snd_seq_client_info_get_ump_conversion(const snd_seq_client_info_t *info);

void snd_seq_client_info_set_client(snd_seq_client_info_t *info, int client);

void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name);

void snd_seq_client_info_set_broadcast_filter(snd_seq_client_info_t *info, int val);

void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val);

void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter);

void snd_seq_client_info_set_midi_version(snd_seq_client_info_t *info, int midi_version);

void snd_seq_client_info_set_ump_group_enabled(snd_seq_client_info_t *info,

                           int group, int enable);

void snd_seq_client_info_set_ump_groupless_enabled(snd_seq_client_info_t *info,

                           int enable);

void snd_seq_client_info_set_ump_conversion(snd_seq_client_info_t *info, int enable);


void snd_seq_client_info_event_filter_clear(snd_seq_client_info_t *info);

void snd_seq_client_info_event_filter_add(snd_seq_client_info_t *info, int event_type);

void snd_seq_client_info_event_filter_del(snd_seq_client_info_t *info, int event_type);

int snd_seq_client_info_event_filter_check(snd_seq_client_info_t *info, int event_type);


int snd_seq_get_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);

int snd_seq_get_any_client_info(snd_seq_t *handle, int client, snd_seq_client_info_t *info);

int snd_seq_set_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);

int snd_seq_query_next_client(snd_seq_t *handle, snd_seq_client_info_t *info);


int snd_seq_get_ump_endpoint_info(snd_seq_t *seq, int client, void *info);

int snd_seq_get_ump_block_info(snd_seq_t *seq, int client, int blk, void *info);

int snd_seq_set_ump_endpoint_info(snd_seq_t *seq, const void *info);

int snd_seq_set_ump_block_info(snd_seq_t *seq, int blk, const void *info);


/*

 */


typedef struct _snd_seq_client_pool snd_seq_client_pool_t;


size_t snd_seq_client_pool_sizeof(void);

#define snd_seq_client_pool_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_client_pool)

int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr);

void snd_seq_client_pool_free(snd_seq_client_pool_t *ptr);

void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src);


int snd_seq_client_pool_get_client(const snd_seq_client_pool_t *info);

size_t snd_seq_client_pool_get_output_pool(const snd_seq_client_pool_t *info);

size_t snd_seq_client_pool_get_input_pool(const snd_seq_client_pool_t *info);

size_t snd_seq_client_pool_get_output_room(const snd_seq_client_pool_t *info);

size_t snd_seq_client_pool_get_output_free(const snd_seq_client_pool_t *info);

size_t snd_seq_client_pool_get_input_free(const snd_seq_client_pool_t *info);

void snd_seq_client_pool_set_output_pool(snd_seq_client_pool_t *info, size_t size);

void snd_seq_client_pool_set_input_pool(snd_seq_client_pool_t *info, size_t size);

void snd_seq_client_pool_set_output_room(snd_seq_client_pool_t *info, size_t size);


int snd_seq_get_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info);

int snd_seq_set_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info);


typedef struct _snd_seq_port_info snd_seq_port_info_t;


#define SND_SEQ_PORT_SYSTEM_TIMER   0

#define SND_SEQ_PORT_SYSTEM_ANNOUNCE    1

#define SND_SEQ_PORT_CAP_READ       (1<<0)

#define SND_SEQ_PORT_CAP_WRITE      (1<<1)

#define SND_SEQ_PORT_CAP_SYNC_READ  (1<<2)

#define SND_SEQ_PORT_CAP_SYNC_WRITE (1<<3)

#define SND_SEQ_PORT_CAP_DUPLEX     (1<<4)

#define SND_SEQ_PORT_CAP_SUBS_READ  (1<<5)

#define SND_SEQ_PORT_CAP_SUBS_WRITE (1<<6)

#define SND_SEQ_PORT_CAP_NO_EXPORT  (1<<7)

#define SND_SEQ_PORT_CAP_INACTIVE   (1<<8)

#define SND_SEQ_PORT_CAP_UMP_ENDPOINT   (1<<9)

#define SND_SEQ_PORT_DIR_UNKNOWN    0

#define SND_SEQ_PORT_DIR_INPUT      1

#define SND_SEQ_PORT_DIR_OUTPUT     2

#define SND_SEQ_PORT_DIR_BIDIRECTION    3

/* port type */

#define SND_SEQ_PORT_TYPE_SPECIFIC  (1<<0)

#define SND_SEQ_PORT_TYPE_MIDI_GENERIC  (1<<1)

#define SND_SEQ_PORT_TYPE_MIDI_GM   (1<<2)

#define SND_SEQ_PORT_TYPE_MIDI_GS   (1<<3)

#define SND_SEQ_PORT_TYPE_MIDI_XG   (1<<4)

#define SND_SEQ_PORT_TYPE_MIDI_MT32 (1<<5)

#define SND_SEQ_PORT_TYPE_MIDI_GM2  (1<<6)

#define SND_SEQ_PORT_TYPE_MIDI_UMP  (1<<7)

#define SND_SEQ_PORT_TYPE_SYNTH     (1<<10)

#define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)

#define SND_SEQ_PORT_TYPE_SAMPLE    (1<<12)

#define SND_SEQ_PORT_TYPE_HARDWARE  (1<<16)

#define SND_SEQ_PORT_TYPE_SOFTWARE  (1<<17)

#define SND_SEQ_PORT_TYPE_SYNTHESIZER   (1<<18)

#define SND_SEQ_PORT_TYPE_PORT      (1<<19)

#define SND_SEQ_PORT_TYPE_APPLICATION   (1<<20)


size_t snd_seq_port_info_sizeof(void);

#define snd_seq_port_info_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_port_info)

int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr);

void snd_seq_port_info_free(snd_seq_port_info_t *ptr);

void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src);


int snd_seq_port_info_get_client(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_port(const snd_seq_port_info_t *info);

const snd_seq_addr_t *snd_seq_port_info_get_addr(const snd_seq_port_info_t *info);

const char *snd_seq_port_info_get_name(const snd_seq_port_info_t *info);

unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info);

unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_midi_channels(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_midi_voices(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_synth_voices(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_timestamping(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_timestamp_real(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_timestamp_queue(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_direction(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_ump_group(const snd_seq_port_info_t *info);

int snd_seq_port_info_get_ump_is_midi1(const snd_seq_port_info_t *info);


void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client);

void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port);

void snd_seq_port_info_set_addr(snd_seq_port_info_t *info, const snd_seq_addr_t *addr);

void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name);

void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability);

void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type);

void snd_seq_port_info_set_midi_channels(snd_seq_port_info_t *info, int channels);

void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices);

void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices);

void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val);

void snd_seq_port_info_set_timestamping(snd_seq_port_info_t *info, int enable);

void snd_seq_port_info_set_timestamp_real(snd_seq_port_info_t *info, int realtime);

void snd_seq_port_info_set_timestamp_queue(snd_seq_port_info_t *info, int queue);

void snd_seq_port_info_set_direction(snd_seq_port_info_t *info, int direction);

void snd_seq_port_info_set_ump_group(snd_seq_port_info_t *info, int ump_group);

void snd_seq_port_info_set_ump_is_midi1(snd_seq_port_info_t *info, int is_midi1);


int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t *info);

int snd_seq_delete_port(snd_seq_t *handle, int port);

int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);

int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t *info);

int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);

int snd_seq_query_next_port(snd_seq_t *handle, snd_seq_port_info_t *info);


typedef struct _snd_seq_port_subscribe snd_seq_port_subscribe_t;


size_t snd_seq_port_subscribe_sizeof(void);

#define snd_seq_port_subscribe_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_port_subscribe)

int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr);

void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *ptr);

void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src);


const snd_seq_addr_t *snd_seq_port_subscribe_get_sender(const snd_seq_port_subscribe_t *info);

const snd_seq_addr_t *snd_seq_port_subscribe_get_dest(const snd_seq_port_subscribe_t *info);

int snd_seq_port_subscribe_get_queue(const snd_seq_port_subscribe_t *info);

int snd_seq_port_subscribe_get_exclusive(const snd_seq_port_subscribe_t *info);

int snd_seq_port_subscribe_get_time_update(const snd_seq_port_subscribe_t *info);

int snd_seq_port_subscribe_get_time_real(const snd_seq_port_subscribe_t *info);


void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);

void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);

void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q);

void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val);

void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val);

void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val);


int snd_seq_get_port_subscription(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);

int snd_seq_subscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);

int snd_seq_unsubscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);


/*

 */


typedef struct _snd_seq_query_subscribe snd_seq_query_subscribe_t;


typedef enum {

    SND_SEQ_QUERY_SUBS_READ,

    SND_SEQ_QUERY_SUBS_WRITE

} snd_seq_query_subs_type_t;


size_t snd_seq_query_subscribe_sizeof(void);

#define snd_seq_query_subscribe_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_query_subscribe)

int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr);

void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *ptr);

void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src);


int snd_seq_query_subscribe_get_client(const snd_seq_query_subscribe_t *info);

int snd_seq_query_subscribe_get_port(const snd_seq_query_subscribe_t *info);

const snd_seq_addr_t *snd_seq_query_subscribe_get_root(const snd_seq_query_subscribe_t *info);

snd_seq_query_subs_type_t snd_seq_query_subscribe_get_type(const snd_seq_query_subscribe_t *info);

int snd_seq_query_subscribe_get_index(const snd_seq_query_subscribe_t *info);

int snd_seq_query_subscribe_get_num_subs(const snd_seq_query_subscribe_t *info);

const snd_seq_addr_t *snd_seq_query_subscribe_get_addr(const snd_seq_query_subscribe_t *info);

int snd_seq_query_subscribe_get_queue(const snd_seq_query_subscribe_t *info);

int snd_seq_query_subscribe_get_exclusive(const snd_seq_query_subscribe_t *info);

int snd_seq_query_subscribe_get_time_update(const snd_seq_query_subscribe_t *info);

int snd_seq_query_subscribe_get_time_real(const snd_seq_query_subscribe_t *info);


void snd_seq_query_subscribe_set_client(snd_seq_query_subscribe_t *info, int client);

void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port);

void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr);

void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type);

void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int _index);


int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t * subs);


typedef struct _snd_seq_queue_info snd_seq_queue_info_t;

typedef struct _snd_seq_queue_status snd_seq_queue_status_t;

typedef struct _snd_seq_queue_tempo snd_seq_queue_tempo_t;

typedef struct _snd_seq_queue_timer snd_seq_queue_timer_t;


#define SND_SEQ_QUEUE_DIRECT        253

size_t snd_seq_queue_info_sizeof(void);

#define snd_seq_queue_info_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_queue_info)

int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr);

void snd_seq_queue_info_free(snd_seq_queue_info_t *ptr);

void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src);


int snd_seq_queue_info_get_queue(const snd_seq_queue_info_t *info);

const char *snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info);

int snd_seq_queue_info_get_owner(const snd_seq_queue_info_t *info);

int snd_seq_queue_info_get_locked(const snd_seq_queue_info_t *info);

unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info);


void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name);

void snd_seq_queue_info_set_owner(snd_seq_queue_info_t *info, int owner);

void snd_seq_queue_info_set_locked(snd_seq_queue_info_t *info, int locked);

void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags);


int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info);

int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name);

int snd_seq_alloc_queue(snd_seq_t *handle);

int snd_seq_free_queue(snd_seq_t *handle, int q);

int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);

int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);

int snd_seq_query_named_queue(snd_seq_t *seq, const char *name);


int snd_seq_get_queue_usage(snd_seq_t *handle, int q);

int snd_seq_set_queue_usage(snd_seq_t *handle, int q, int used);


/*

 */

size_t snd_seq_queue_status_sizeof(void);

#define snd_seq_queue_status_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_queue_status)

int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr);

void snd_seq_queue_status_free(snd_seq_queue_status_t *ptr);

void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src);


int snd_seq_queue_status_get_queue(const snd_seq_queue_status_t *info);

int snd_seq_queue_status_get_events(const snd_seq_queue_status_t *info);

snd_seq_tick_time_t snd_seq_queue_status_get_tick_time(const snd_seq_queue_status_t *info);

const snd_seq_real_time_t *snd_seq_queue_status_get_real_time(const snd_seq_queue_status_t *info);

unsigned int snd_seq_queue_status_get_status(const snd_seq_queue_status_t *info);


int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t *status);


/*

 */

size_t snd_seq_queue_tempo_sizeof(void);

#define snd_seq_queue_tempo_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_queue_tempo)

int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr);

void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *ptr);

void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src);


int snd_seq_queue_tempo_get_queue(const snd_seq_queue_tempo_t *info);

unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info);

int snd_seq_queue_tempo_get_ppq(const snd_seq_queue_tempo_t *info);

unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info);

unsigned int snd_seq_queue_tempo_get_skew_base(const snd_seq_queue_tempo_t *info);

unsigned int snd_seq_queue_tempo_get_tempo_base(const snd_seq_queue_tempo_t *info);

void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo);

void snd_seq_queue_tempo_set_ppq(snd_seq_queue_tempo_t *info, int ppq);

void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew);

void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base);

void snd_seq_queue_tempo_set_tempo_base(snd_seq_queue_tempo_t *info, unsigned int tempo_base);


int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);

int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);

int snd_seq_has_queue_tempo_base(snd_seq_t *handle);


/*

 */


typedef enum {

    SND_SEQ_TIMER_ALSA = 0,     /* ALSA timer */

    SND_SEQ_TIMER_MIDI_CLOCK = 1,   /* Midi Clock (CLOCK event) */

    SND_SEQ_TIMER_MIDI_TICK = 2 /* Midi Timer Tick (TICK event */

} snd_seq_queue_timer_type_t;


size_t snd_seq_queue_timer_sizeof(void);

#define snd_seq_queue_timer_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_queue_timer)

int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr);

void snd_seq_queue_timer_free(snd_seq_queue_timer_t *ptr);

void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src);


int snd_seq_queue_timer_get_queue(const snd_seq_queue_timer_t *info);

snd_seq_queue_timer_type_t snd_seq_queue_timer_get_type(const snd_seq_queue_timer_t *info);

const snd_timer_id_t *snd_seq_queue_timer_get_id(const snd_seq_queue_timer_t *info);

unsigned int snd_seq_queue_timer_get_resolution(const snd_seq_queue_timer_t *info);


void snd_seq_queue_timer_set_type(snd_seq_queue_timer_t *info, snd_seq_queue_timer_type_t type);

void snd_seq_queue_timer_set_id(snd_seq_queue_timer_t *info, const snd_timer_id_t *id);

void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution);


int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);

int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);


int snd_seq_free_event(snd_seq_event_t *ev);

ssize_t snd_seq_event_length(snd_seq_event_t *ev);

int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev);

int snd_seq_event_output_buffer(snd_seq_t *handle, snd_seq_event_t *ev);

int snd_seq_event_output_direct(snd_seq_t *handle, snd_seq_event_t *ev);

int snd_seq_event_input(snd_seq_t *handle, snd_seq_event_t **ev);

int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer);

int snd_seq_drain_output(snd_seq_t *handle);

int snd_seq_event_output_pending(snd_seq_t *seq);

int snd_seq_extract_output(snd_seq_t *handle, snd_seq_event_t **ev);

int snd_seq_drop_output(snd_seq_t *handle);

int snd_seq_drop_output_buffer(snd_seq_t *handle);

int snd_seq_drop_input(snd_seq_t *handle);

int snd_seq_drop_input_buffer(snd_seq_t *handle);


typedef struct _snd_seq_remove_events snd_seq_remove_events_t;


#define SND_SEQ_REMOVE_INPUT        (1<<0)

#define SND_SEQ_REMOVE_OUTPUT       (1<<1)

#define SND_SEQ_REMOVE_DEST     (1<<2)

#define SND_SEQ_REMOVE_DEST_CHANNEL (1<<3)

#define SND_SEQ_REMOVE_TIME_BEFORE  (1<<4)

#define SND_SEQ_REMOVE_TIME_AFTER   (1<<5)

#define SND_SEQ_REMOVE_TIME_TICK    (1<<6)

#define SND_SEQ_REMOVE_EVENT_TYPE   (1<<7)

#define SND_SEQ_REMOVE_IGNORE_OFF   (1<<8)

#define SND_SEQ_REMOVE_TAG_MATCH    (1<<9)

size_t snd_seq_remove_events_sizeof(void);

#define snd_seq_remove_events_alloca(ptr) \

    __snd_alloca(ptr, snd_seq_remove_events)

int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr);

void snd_seq_remove_events_free(snd_seq_remove_events_t *ptr);

void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src);


unsigned int snd_seq_remove_events_get_condition(const snd_seq_remove_events_t *info);

int snd_seq_remove_events_get_queue(const snd_seq_remove_events_t *info);

const snd_seq_timestamp_t *snd_seq_remove_events_get_time(const snd_seq_remove_events_t *info);

const snd_seq_addr_t *snd_seq_remove_events_get_dest(const snd_seq_remove_events_t *info);

int snd_seq_remove_events_get_channel(const snd_seq_remove_events_t *info);

int snd_seq_remove_events_get_event_type(const snd_seq_remove_events_t *info);

int snd_seq_remove_events_get_tag(const snd_seq_remove_events_t *info);


void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags);

void snd_seq_remove_events_set_queue(snd_seq_remove_events_t *info, int queue);

void snd_seq_remove_events_set_time(snd_seq_remove_events_t *info, const snd_seq_timestamp_t *time);

void snd_seq_remove_events_set_dest(snd_seq_remove_events_t *info, const snd_seq_addr_t *addr);

void snd_seq_remove_events_set_channel(snd_seq_remove_events_t *info, int channel);

void snd_seq_remove_events_set_event_type(snd_seq_remove_events_t *info, int type);

void snd_seq_remove_events_set_tag(snd_seq_remove_events_t *info, int tag);


int snd_seq_remove_events(snd_seq_t *handle, snd_seq_remove_events_t *info);


int snd_seq_ump_event_output(snd_seq_t *seq, snd_seq_ump_event_t *ev);

int snd_seq_ump_event_output_buffer(snd_seq_t *seq, snd_seq_ump_event_t *ev);

int snd_seq_ump_extract_output(snd_seq_t *seq, snd_seq_ump_event_t **ev_res);

int snd_seq_ump_event_output_direct(snd_seq_t *seq, snd_seq_ump_event_t *ev);

int snd_seq_ump_event_input(snd_seq_t *seq, snd_seq_ump_event_t **ev);


void snd_seq_set_bit(int nr, void *array);

void snd_seq_unset_bit(int nr, void *array);

int snd_seq_change_bit(int nr, void *array);

int snd_seq_get_bit(int nr, void *array);


/* event type macros */

enum {

    SND_SEQ_EVFLG_RESULT,

    SND_SEQ_EVFLG_NOTE,

    SND_SEQ_EVFLG_CONTROL,

    SND_SEQ_EVFLG_QUEUE,

    SND_SEQ_EVFLG_SYSTEM,

    SND_SEQ_EVFLG_MESSAGE,

    SND_SEQ_EVFLG_CONNECTION,

    SND_SEQ_EVFLG_SAMPLE,

    SND_SEQ_EVFLG_USERS,

    SND_SEQ_EVFLG_INSTR,

    SND_SEQ_EVFLG_QUOTE,

    SND_SEQ_EVFLG_NONE,

    SND_SEQ_EVFLG_RAW,

    SND_SEQ_EVFLG_FIXED,

    SND_SEQ_EVFLG_VARIABLE,

    SND_SEQ_EVFLG_VARUSR

};


enum {

    SND_SEQ_EVFLG_NOTE_ONEARG,

    SND_SEQ_EVFLG_NOTE_TWOARG

};


enum {

    SND_SEQ_EVFLG_QUEUE_NOARG,

    SND_SEQ_EVFLG_QUEUE_TICK,

    SND_SEQ_EVFLG_QUEUE_TIME,

    SND_SEQ_EVFLG_QUEUE_VALUE

};


extern const unsigned int snd_seq_event_types[];


#define _SND_SEQ_TYPE(x)    (1<<(x))

#define _SND_SEQ_TYPE_OPT(x)    ((x)<<24)

#define snd_seq_type_check(ev,x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x))


#define snd_seq_ev_is_result_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT)

#define snd_seq_ev_is_note_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE)

#define snd_seq_ev_is_control_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL)

#define snd_seq_ev_is_channel_type(ev) \

    (snd_seq_event_types[(ev)->type] & (_SND_SEQ_TYPE(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_CONTROL)))


#define snd_seq_ev_is_queue_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE)

#define snd_seq_ev_is_message_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE)

#define snd_seq_ev_is_subscribe_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION)

#define snd_seq_ev_is_sample_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE)

#define snd_seq_ev_is_user_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS)

#define snd_seq_ev_is_instr_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR)

#define snd_seq_ev_is_fixed_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED)

#define snd_seq_ev_is_variable_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE)

#define snd_seq_ev_is_varusr_type(ev) \

    snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR)

#define snd_seq_ev_is_reserved(ev) \

    (! snd_seq_event_types[(ev)->type])


#define snd_seq_ev_is_prior(ev) \

    (((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH)


#define snd_seq_ev_length_type(ev) \

    ((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK)

#define snd_seq_ev_is_fixed(ev) \

    (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED)

#define snd_seq_ev_is_variable(ev) \

    (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE)

#define snd_seq_ev_is_varusr(ev) \

    (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR)


#define snd_seq_ev_timestamp_type(ev) \

    ((ev)->flags & SND_SEQ_TIME_STAMP_MASK)

#define snd_seq_ev_is_tick(ev) \

    (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK)

#define snd_seq_ev_is_real(ev) \

    (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL)


#define snd_seq_ev_timemode_type(ev) \

    ((ev)->flags & SND_SEQ_TIME_MODE_MASK)

#define snd_seq_ev_is_abstime(ev) \

    (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS)

#define snd_seq_ev_is_reltime(ev) \

    (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL)


#define snd_seq_ev_is_direct(ev) \

    ((ev)->queue == SND_SEQ_QUEUE_DIRECT)


#define snd_seq_ev_is_ump(ev) \

    ((ev)->flags & SND_SEQ_EVENT_UMP)


#ifdef __cplusplus

}

#endif


#endif /* __ALSA_SEQ_H */


snd_seq_query_subscribe_set_client
void snd_seq_query_subscribe_set_client(snd_seq_query_subscribe_t *info, int client)
Set the client id of a query_subscribe container.
Definition seq.c:3273

snd_seq_get_client_pool
int snd_seq_get_client_pool(snd_seq_t *seq, snd_seq_client_pool_t *info)
obtain the pool information of the current client
Definition seq.c:5317

snd_seq_queue_info_set_owner
void snd_seq_queue_info_set_owner(snd_seq_queue_info_t *info, int owner)
Set the owner client id of a queue_info container.
Definition seq.c:3492

snd_seq_remove_events_copy
void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src)
copy one #snd_seq_remove_events_t to another
Definition seq.c:4845

snd_seq_event_input
int snd_seq_event_input(snd_seq_t *seq, snd_seq_event_t **ev)
retrieve an event from sequencer
Definition seq.c:4573

snd_seq_create_queue
int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info)
create a queue
Definition seq.c:3533

snd_seq_remove_events_set_channel
void snd_seq_remove_events_set_channel(snd_seq_remove_events_t *info, int channel)
Set the channel as removal condition.
Definition seq.c:5002

snd_seq_get_port_info
int snd_seq_get_port_info(snd_seq_t *seq, int port, snd_seq_port_info_t *info)
obtain the information of a port on the current client
Definition seq.c:2768

snd_seq_query_subscribe_get_exclusive
int snd_seq_query_subscribe_get_exclusive(const snd_seq_query_subscribe_t *info)
Get the exclusive mode of a query_subscribe container.
Definition seq.c:3234

snd_seq_event_input_pending
int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer)
check events in input buffer
Definition seq.c:4620

snd_seq_client_pool_get_output_room
size_t snd_seq_client_pool_get_output_room(const snd_seq_client_pool_t *info)
Get the output room size of a queue_info container.
Definition seq.c:5250

snd_seq_drop_output_buffer
int snd_seq_drop_output_buffer(snd_seq_t *seq)
remove all events on user-space output buffer
Definition seq.c:4749

snd_seq_port_subscribe_set_dest
void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr)
Set destination address of a port_subscribe container.
Definition seq.c:2961

snd_seq_client_info_get_name
const char * snd_seq_client_info_get_name(snd_seq_client_info_t *info)
Get the name of a client_info container.
Definition seq.c:1591

snd_seq_queue_tempo_get_tempo
unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info)
Get the tempo of a queue_status container.
Definition seq.c:3880

snd_seq_port_subscribe_get_time_update
int snd_seq_port_subscribe_get_time_update(const snd_seq_port_subscribe_t *info)
Get the time-update mode of a port_subscribe container.
Definition seq.c:2922

snd_seq_drop_input
int snd_seq_drop_input(snd_seq_t *seq)
clear input buffer and and remove events in sequencer queue
Definition seq.c:4796

snd_seq_client_pool_get_client
int snd_seq_client_pool_get_client(const snd_seq_client_pool_t *info)
Get the client id of a queue_info container.
Definition seq.c:5217

snd_seq_queue_info_get_locked
int snd_seq_queue_info_get_locked(const snd_seq_queue_info_t *info)
Get the lock status of a queue_info container.
Definition seq.c:3453

snd_seq_port_subscribe_set_exclusive
void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val)
Set the exclusive mode of a port_subscribe container.
Definition seq.c:2987

snd_seq_client_info_get_event_lost
int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info)
Get the number of lost events of a client_info container.
Definition seq.c:1812

snd_seq_client_info_set_error_bounce
void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val)
Set the error-bounce usage of a client_info container.
Definition seq.c:1991

snd_seq_port_subscribe_set_time_real
void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val)
Set the real-time mode of a port_subscribe container.
Definition seq.c:3019

snd_seq_client_info_set_midi_version
void snd_seq_client_info_set_midi_version(snd_seq_client_info_t *info, int midi_version)
Set the MIDI protocol version of a client_info container.
Definition seq.c:1926

snd_seq_drain_output
int snd_seq_drain_output(snd_seq_t *seq)
drain output buffer to sequencer
Definition seq.c:4445

snd_seq_system_info_free
void snd_seq_system_info_free(snd_seq_system_info_t *obj)
Frees a previously allocated #snd_seq_system_info_t.
Definition seq.c:1397

snd_seq_query_next_client
int snd_seq_query_next_client(snd_seq_t *seq, snd_seq_client_info_t *info)
query the next client
Definition seq.c:2096

snd_seq_client_info_set_name
void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name)
Set the name of a client_info container.
Definition seq.c:1897

snd_seq_queue_status_copy
void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src)
copy one #snd_seq_queue_status_t to another
Definition seq.c:3726

snd_seq_client_pool_set_input_pool
void snd_seq_client_pool_set_input_pool(snd_seq_client_pool_t *info, size_t size)
Set the input pool size of a queue_info container.
Definition seq.c:5294

snd_seq_set_queue_info
int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info)
change the queue attributes
Definition seq.c:3617

snd_seq_client_pool_set_output_room
void snd_seq_client_pool_set_output_room(snd_seq_client_pool_t *info, size_t size)
Set the output room size of a queue_info container.
Definition seq.c:5305

snd_seq_get_any_client_info
int snd_seq_get_any_client_info(snd_seq_t *seq, int client, snd_seq_client_info_t *info)
obtain the information of the given client
Definition seq.c:2038

snd_seq_queue_tempo_set_skew
void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew)
Set the timer skew value of a queue_status container.
Definition seq.c:3974

snd_seq_type
snd_seq_type_t snd_seq_type(snd_seq_t *seq)
get type of sequencer handle
Definition seq.c:891

snd_seq_client_info_set_client
void snd_seq_client_info_set_client(snd_seq_client_info_t *info, int client)
Set the client id of a client_info container.
Definition seq.c:1883

snd_seq_event_output_buffer
int snd_seq_event_output_buffer(snd_seq_t *seq, snd_seq_event_t *ev)
output an event onto the lib buffer without draining buffer
Definition seq.c:4336

snd_seq_queue_timer_get_queue
int snd_seq_queue_timer_get_queue(const snd_seq_queue_timer_t *info)
Get the queue id of a queue_timer container.
Definition seq.c:4110

snd_seq_port_subscribe_get_queue
int snd_seq_port_subscribe_get_queue(const snd_seq_port_subscribe_t *info)
Get the queue id of a port_subscribe container.
Definition seq.c:2896

snd_seq_remove_events_sizeof
size_t snd_seq_remove_events_sizeof()
get size of #snd_seq_remove_events_t
Definition seq.c:4812

snd_seq_queue_info_sizeof
size_t snd_seq_queue_info_sizeof()
get size of #snd_seq_queue_info_t
Definition seq.c:3367

snd_seq_client_info_event_filter_check
int snd_seq_client_info_event_filter_check(snd_seq_client_info_t *info, int event_type)
Check if an event type is present in the event filtering of a client_info container.
Definition seq.c:1786

snd_seq_port_info_get_timestamp_queue
int snd_seq_port_info_get_timestamp_queue(const snd_seq_port_info_t *info)
Get the queue id to update timestamps.
Definition seq.c:2402

snd_seq_client_pool_copy
void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src)
copy one #snd_seq_client_pool_t to another
Definition seq.c:5205

snd_seq_remove_events_malloc
int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr)
allocate an empty #snd_seq_remove_events_t using standard malloc
Definition seq.c:4822

snd_seq_query_subscribe_get_client
int snd_seq_query_subscribe_get_client(const snd_seq_query_subscribe_t *info)
Get the client id of a query_subscribe container.
Definition seq.c:3130

snd_seq_open_lconf
int snd_seq_open_lconf(snd_seq_t **seqp, const char *name, int streams, int mode, snd_config_t *lconf)
Open the ALSA sequencer using local configuration.
Definition seq.c:1086

snd_seq_queue_info_copy
void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src)
copy one #snd_seq_queue_info_t to another
Definition seq.c:3400

snd_seq_client_pool_get_input_pool
size_t snd_seq_client_pool_get_input_pool(const snd_seq_client_pool_t *info)
Get the input pool size of a queue_info container.
Definition seq.c:5239

snd_seq_port_info_get_timestamping
int snd_seq_port_info_get_timestamping(const snd_seq_port_info_t *info)
Get the time-stamping mode of the given port in a port_info container.
Definition seq.c:2376

snd_seq_set_queue_usage
int snd_seq_set_queue_usage(snd_seq_t *seq, int q, int used)
Set the queue usage flag to the client.
Definition seq.c:3677

snd_seq_remove_events_get_event_type
int snd_seq_remove_events_get_event_type(const snd_seq_remove_events_t *info)
Get the event type as removal condition.
Definition seq.c:4924

snd_seq_query_subscribe_get_addr
const snd_seq_addr_t * snd_seq_query_subscribe_get_addr(const snd_seq_query_subscribe_t *info)
Get the address of subscriber of a query_subscribe container.
Definition seq.c:3208

snd_seq_set_client_info
int snd_seq_set_client_info(snd_seq_t *seq, snd_seq_client_info_t *info)
set the current client information
Definition seq.c:2074

snd_seq_queue_tempo_sizeof
size_t snd_seq_queue_tempo_sizeof()
get size of #snd_seq_queue_tempo_t
Definition seq.c:3820

snd_seq_port_info_set_addr
void snd_seq_port_info_set_addr(snd_seq_port_info_t *info, const snd_seq_addr_t *addr)
Set the client/port address of a port_info container.
Definition seq.c:2480

snd_seq_ump_extract_output
int snd_seq_ump_extract_output(snd_seq_t *seq, snd_seq_ump_event_t **ev_res)
extract the first UMP event in output buffer
Definition seq.c:4686

snd_seq_change_bit
int snd_seq_change_bit(int nr, void *array)
change a bit flag
Definition seq.c:5364

snd_seq_client_pool_get_output_free
size_t snd_seq_client_pool_get_output_free(const snd_seq_client_pool_t *info)
Get the available size on output pool of a queue_info container.
Definition seq.c:5261

snd_seq_queue_status_get_status
unsigned int snd_seq_queue_status_get_status(const snd_seq_queue_status_t *info)
Get the running status bits of a queue_status container.
Definition seq.c:3791

snd_seq_ump_event_output
int snd_seq_ump_event_output(snd_seq_t *seq, snd_seq_ump_event_t *ev)
output a UMP event
Definition seq.c:4652

snd_seq_queue_tempo_get_tempo_base
unsigned int snd_seq_queue_tempo_get_tempo_base(const snd_seq_queue_tempo_t *info)
Get the tempo base of a queue_status container.
Definition seq.c:3932

snd_seq_remove_events
int snd_seq_remove_events(snd_seq_t *seq, snd_seq_remove_events_t *rmp)
remove events on input/output buffers and pools
Definition seq.c:5119

snd_seq_remove_events_set_time
void snd_seq_remove_events_set_time(snd_seq_remove_events_t *info, const snd_seq_timestamp_t *time)
Set the timestamp as removal condition.
Definition seq.c:4976

snd_seq_query_subscribe_get_root
const snd_seq_addr_t * snd_seq_query_subscribe_get_root(const snd_seq_query_subscribe_t *info)
Get the client/port address of a query_subscribe container.
Definition seq.c:3156

snd_seq_query_subscribe_get_index
int snd_seq_query_subscribe_get_index(const snd_seq_query_subscribe_t *info)
Get the index of subscriber of a query_subscribe container.
Definition seq.c:3182

snd_seq_client_info_event_filter_del
void snd_seq_client_info_event_filter_del(snd_seq_client_info_t *info, int event_type)
Remove an event type from the event filtering of a client_info container.
Definition seq.c:1766

snd_seq_queue_timer_get_resolution
unsigned int snd_seq_queue_timer_get_resolution(const snd_seq_queue_timer_t *info)
Get the timer resolution of a queue_timer container.
Definition seq.c:4149

snd_seq_port_info_get_synth_voices
int snd_seq_port_info_get_synth_voices(const snd_seq_port_info_t *info)
Get the synth voices of a port_info container.
Definition seq.c:2350

snd_seq_subscribe_port
int snd_seq_subscribe_port(snd_seq_t *seq, snd_seq_port_subscribe_t *sub)
subscribe a port connection
Definition seq.c:3055

snd_seq_queue_status_get_real_time
const snd_seq_real_time_t * snd_seq_queue_status_get_real_time(const snd_seq_queue_status_t *info)
Get the real time of a queue_status container.
Definition seq.c:3778

snd_seq_drop_output
int snd_seq_drop_output(snd_seq_t *seq)
remove all events on output buffer
Definition seq.c:4779

snd_seq_event_output_direct
int snd_seq_event_output_direct(snd_seq_t *seq, snd_seq_event_t *ev)
output an event directly to the sequencer NOT through output buffer
Definition seq.c:4396

snd_seq_set_port_info
int snd_seq_set_port_info(snd_seq_t *seq, int port, snd_seq_port_info_t *info)
set the information of a port on the current client
Definition seq.c:2782

snd_seq_set_input_buffer_size
int snd_seq_set_input_buffer_size(snd_seq_t *seq, size_t size)
Resize the input buffer.
Definition seq.c:1347

snd_seq_remove_events_get_condition
unsigned int snd_seq_remove_events_get_condition(const snd_seq_remove_events_t *info)
Get the removal condition bits.
Definition seq.c:4859

snd_seq_queue_info_get_queue
int snd_seq_queue_info_get_queue(const snd_seq_queue_info_t *info)
Get the queue id of a queue_info container.
Definition seq.c:3414

snd_seq_queue_status_get_tick_time
snd_seq_tick_time_t snd_seq_queue_status_get_tick_time(const snd_seq_queue_status_t *info)
Get the tick time of a queue_status container.
Definition seq.c:3766

snd_seq_remove_events_get_channel
int snd_seq_remove_events_get_channel(const snd_seq_remove_events_t *info)
Get the event channel as removal condition.
Definition seq.c:4911

snd_seq_remove_events_set_tag
void snd_seq_remove_events_set_tag(snd_seq_remove_events_t *info, int tag)
Set the event tag as removal condition.
Definition seq.c:5028

snd_seq_port_info_get_addr
const snd_seq_addr_t * snd_seq_port_info_get_addr(const snd_seq_port_info_t *info)
Get client/port address of a port_info container.
Definition seq.c:2246

snd_seq_client_info_free
void snd_seq_client_info_free(snd_seq_client_info_t *obj)
frees a previously allocated #snd_seq_client_info_t
Definition seq.c:1538

snd_seq_queue_tempo_set_tempo
void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo)
Set the tempo of a queue_status container.
Definition seq.c:3945

snd_seq_remove_events_set_event_type
void snd_seq_remove_events_set_event_type(snd_seq_remove_events_t *info, int type)
Set the event type as removal condition.
Definition seq.c:5015

snd_seq_queue_timer_sizeof
size_t snd_seq_queue_timer_sizeof()
get size of #snd_seq_queue_timer_t
Definition seq.c:4063

snd_seq_system_info
int snd_seq_system_info(snd_seq_t *seq, snd_seq_system_info_t *info)
obtain the sequencer system information
Definition seq.c:1502

snd_seq_remove_events_set_condition
void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags)
Set the removal condition bits.
Definition seq.c:4950

snd_seq_has_queue_tempo_base
int snd_seq_has_queue_tempo_base(snd_seq_t *seq)
inquiry the support of tempo base change
Definition seq.c:4051

snd_seq_port_info_get_capability
unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info)
Get the capability bits of a port_info container.
Definition seq.c:2272

snd_seq_query_subscribe_get_time_update
int snd_seq_query_subscribe_get_time_update(const snd_seq_query_subscribe_t *info)
Get the time-update mode of a query_subscribe container.
Definition seq.c:3247

snd_seq_queue_timer_set_id
void snd_seq_queue_timer_set_id(snd_seq_queue_timer_t *info, const snd_timer_id_t *id)
Set the timer id of a queue_timer container.
Definition seq.c:4175

snd_seq_get_queue_info
int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info)
obtain queue attributes
Definition seq.c:3601

snd_seq_port_info_get_timestamp_real
int snd_seq_port_info_get_timestamp_real(const snd_seq_port_info_t *info)
Get whether the time-stamping of the given port is real-time mode.
Definition seq.c:2389

snd_seq_queue_tempo_get_skew
unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info)
Get the timer skew value of a queue_status container.
Definition seq.c:3906

snd_seq_system_info_get_channels
int snd_seq_system_info_get_channels(const snd_seq_system_info_t *info)
Get maximum number of channels.
Definition seq.c:1460

snd_seq_queue_info_free
void snd_seq_queue_info_free(snd_seq_queue_info_t *obj)
frees a previously allocated #snd_seq_queue_info_t
Definition seq.c:3390

snd_seq_port_info_get_client
int snd_seq_port_info_get_client(const snd_seq_port_info_t *info)
Get client id of a port_info container.
Definition seq.c:2220

snd_seq_system_info_get_cur_queues
int snd_seq_system_info_get_cur_queues(const snd_seq_system_info_t *info)
Get the current number of queues.
Definition seq.c:1486

snd_seq_port_subscribe_malloc
int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr)
allocate an empty #snd_seq_port_subscribe_t using standard malloc
Definition seq.c:2835

snd_seq_port_info_set_timestamp_queue
void snd_seq_port_info_set_timestamp_queue(snd_seq_port_info_t *info, int queue)
Set the queue id for timestamping.
Definition seq.c:2619

snd_seq_set_queue_tempo
int snd_seq_set_queue_tempo(snd_seq_t *seq, int q, snd_seq_queue_tempo_t *tempo)
set the tempo of the queue
Definition seq.c:4034

snd_seq_port_info_set_capability
void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability)
set the capability bits of a port_info container
Definition seq.c:2506

snd_seq_client_info_get_client
int snd_seq_client_info_get_client(const snd_seq_client_info_t *info)
Get client id of a client_info container.
Definition seq.c:1562

snd_seq_queue_info_get_flags
unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info)
Get the conditional bit flags of a queue_info container.
Definition seq.c:3466

snd_seq_get_output_buffer_size
size_t snd_seq_get_output_buffer_size(snd_seq_t *seq)
Return the size of output buffer.
Definition seq.c:1279

snd_seq_client_info_set_ump_conversion
void snd_seq_client_info_set_ump_conversion(snd_seq_client_info_t *info, int enable)
Set the automatic conversion mode for UMP.
Definition seq.c:1974

snd_seq_client_info_malloc
int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr)
allocate an empty #snd_seq_client_info_t using standard malloc
Definition seq.c:1525

snd_seq_queue_timer_get_type
snd_seq_queue_timer_type_t snd_seq_queue_timer_get_type(const snd_seq_queue_timer_t *info)
Get the timer type of a queue_timer container.
Definition seq.c:4123

snd_seq_query_subscribe_get_queue
int snd_seq_query_subscribe_get_queue(const snd_seq_query_subscribe_t *info)
Get the queue id of subscriber of a query_subscribe container.
Definition seq.c:3221

snd_seq_system_info_get_queues
int snd_seq_system_info_get_queues(const snd_seq_system_info_t *info)
Get maximum number of queues.
Definition seq.c:1421

snd_seq_queue_tempo_get_ppq
int snd_seq_queue_tempo_get_ppq(const snd_seq_queue_tempo_t *info)
Get the ppq of a queue_status container.
Definition seq.c:3893

snd_seq_port_info_get_type
unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info)
Get the type bits of a port_info container.
Definition seq.c:2285

snd_seq_set_client_pool
int snd_seq_set_client_pool(snd_seq_t *seq, snd_seq_client_pool_t *info)
set the pool information
Definition seq.c:5332

snd_seq_port_info_get_read_use
int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info)
Get the number of read subscriptions of a port_info container.
Definition seq.c:2298

snd_seq_client_info_get_broadcast_filter
int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info)
Get the broadcast filter usage of a client_info container.
Definition seq.c:1604

snd_seq_client_info_get_ump_groupless_enabled
int snd_seq_client_info_get_ump_groupless_enabled(const snd_seq_client_info_t *info)
Get the UMP groupless message handling status.
Definition seq.c:1857

snd_seq_remove_events_free
void snd_seq_remove_events_free(snd_seq_remove_events_t *obj)
frees a previously allocated #snd_seq_remove_events_t
Definition seq.c:4835

snd_seq_set_ump_endpoint_info
int snd_seq_set_ump_endpoint_info(snd_seq_t *seq, const void *info)
Set UMP Endpoint information to the current client.
Definition seq.c:2139

snd_seq_client_info_set_broadcast_filter
void snd_seq_client_info_set_broadcast_filter(snd_seq_client_info_t *info, int val)
Set the broadcast filter usage of a client_info container.
Definition seq.c:1910

snd_seq_queue_tempo_set_ppq
void snd_seq_queue_tempo_set_ppq(snd_seq_queue_tempo_t *info, int ppq)
Set the ppq of a queue_status container.
Definition seq.c:3958

snd_seq_free_event
int snd_seq_free_event(snd_seq_event_t *ev)
(DEPRECATED) free an event
Definition seq.c:4256

snd_seq_client_info_get_midi_version
int snd_seq_client_info_get_midi_version(const snd_seq_client_info_t *info)
Get the MIDI protocol version number of a client_info container.
Definition seq.c:1825

snd_seq_port_info_free
void snd_seq_port_info_free(snd_seq_port_info_t *obj)
frees a previously allocated #snd_seq_port_info_t
Definition seq.c:2196

snd_seq_queue_tempo_copy
void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src)
copy one #snd_seq_queue_tempo_t to another
Definition seq.c:3853

snd_seq_queue_status_sizeof
size_t snd_seq_queue_status_sizeof()
get size of #snd_seq_queue_status_t
Definition seq.c:3693

snd_seq_queue_timer_set_resolution
void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution)
Set the timer resolution of a queue_timer container.
Definition seq.c:4188

snd_seq_client_info_event_filter_clear
void snd_seq_client_info_event_filter_clear(snd_seq_client_info_t *info)
Disable event filtering of a client_info container.
Definition seq.c:1724

snd_seq_client_info_set_ump_group_enabled
void snd_seq_client_info_set_ump_group_enabled(snd_seq_client_info_t *info, int group, int enable)
Set the UMP group filter status.
Definition seq.c:1940

snd_seq_queue_tempo_malloc
int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr)
allocate an empty #snd_seq_queue_tempo_t using standard malloc
Definition seq.c:3830

snd_seq_remove_events_get_time
const snd_seq_timestamp_t * snd_seq_remove_events_get_time(const snd_seq_remove_events_t *info)
Get the event timestamp as removal condition.
Definition seq.c:4885

snd_seq_port_info_set_ump_is_midi1
void snd_seq_port_info_set_ump_is_midi1(snd_seq_port_info_t *info, int is_midi1)
Set the optional MIDI 1.0 port in MIDI 2.0 UMP Endpoint.
Definition seq.c:2658

snd_seq_port_subscribe_copy
void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src)
copy one #snd_seq_port_subscribe_t to another
Definition seq.c:2858

snd_seq_set_queue_timer
int snd_seq_set_queue_timer(snd_seq_t *seq, int q, snd_seq_queue_timer_t *timer)
set the queue timer information
Definition seq.c:4221

snd_seq_port_info_sizeof
size_t snd_seq_port_info_sizeof()
get size of #snd_seq_port_info_t
Definition seq.c:2173

snd_seq_unset_bit
void snd_seq_unset_bit(int nr, void *array)
unset a bit flag
Definition seq.c:5356

snd_seq_port_info_get_ump_is_midi1
int snd_seq_port_info_get_ump_is_midi1(const snd_seq_port_info_t *info)
Get the status of the optional MIDI 1.0 port in MIDI 2.0 UMP Endpoint.
Definition seq.c:2441

snd_seq_queue_tempo_set_tempo_base
void snd_seq_queue_tempo_set_tempo_base(snd_seq_queue_tempo_t *info, unsigned int tempo_base)
Set the tempo base of a queue_status container.
Definition seq.c:4000

snd_seq_port_info_get_ump_group
int snd_seq_port_info_get_ump_group(const snd_seq_port_info_t *info)
Get the UMP Group assigned to the port.
Definition seq.c:2428

snd_seq_port_subscribe_set_queue
void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q)
Set the queue id of a port_subscribe container.
Definition seq.c:2974

snd_seq_remove_events_set_queue
void snd_seq_remove_events_set_queue(snd_seq_remove_events_t *info, int queue)
Set the queue as removal condition.
Definition seq.c:4963

snd_seq_set_ump_block_info
int snd_seq_set_ump_block_info(snd_seq_t *seq, int blk, const void *info)
Set UMP Block information to the current client.
Definition seq.c:2154

snd_seq_set_output_buffer_size
int snd_seq_set_output_buffer_size(snd_seq_t *seq, size_t size)
Change the size of output buffer.
Definition seq.c:1320

snd_seq_query_subscribe_sizeof
size_t snd_seq_query_subscribe_sizeof()
get size of #snd_seq_query_subscribe_t
Definition seq.c:3083

snd_seq_port_info_set_client
void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client)
Set the client id of a port_info container.
Definition seq.c:2454

snd_seq_event_output
int snd_seq_event_output(snd_seq_t *seq, snd_seq_event_t *ev)
output an event
Definition seq.c:4302

snd_seq_system_info_get_clients
int snd_seq_system_info_get_clients(const snd_seq_system_info_t *info)
Get maximum number of clients.
Definition seq.c:1434

snd_seq_port_subscribe_get_sender
const snd_seq_addr_t * snd_seq_port_subscribe_get_sender(const snd_seq_port_subscribe_t *info)
Get sender address of a port_subscribe container.
Definition seq.c:2871

snd_seq_port_info_get_write_use
int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info)
Get the number of write subscriptions of a port_info container.
Definition seq.c:2311

snd_seq_query_subscribe_malloc
int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr)
allocate an empty #snd_seq_query_subscribe_t using standard malloc
Definition seq.c:3093

snd_seq_port_info_malloc
int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr)
allocate an empty #snd_seq_port_info_t using standard malloc
Definition seq.c:2183

snd_seq_ump_event_output_direct
int snd_seq_ump_event_output_direct(snd_seq_t *seq, snd_seq_ump_event_t *ev)
output a UMP event directly to the sequencer NOT through output buffer
Definition seq.c:4703

snd_seq_client_pool_free
void snd_seq_client_pool_free(snd_seq_client_pool_t *obj)
frees a previously allocated #snd_seq_client_pool_t
Definition seq.c:5195

snd_seq_system_info_copy
void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src)
Copy one #snd_seq_system_info_t to another.
Definition seq.c:1407

snd_seq_unsubscribe_port
int snd_seq_unsubscribe_port(snd_seq_t *seq, snd_seq_port_subscribe_t *sub)
unsubscribe a connection between ports
Definition seq.c:3072

snd_seq_poll_descriptors
int snd_seq_poll_descriptors(snd_seq_t *seq, struct pollfd *pfds, unsigned int space, short events)
Get poll descriptors.
Definition seq.c:1183

snd_seq_alloc_named_queue
int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name)
allocate a queue with the specified name
Definition seq.c:3552

snd_seq_queue_tempo_free
void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *obj)
frees a previously allocated #snd_seq_queue_tempo_t
Definition seq.c:3843

snd_seq_set_bit
void snd_seq_set_bit(int nr, void *array)
set a bit flag
Definition seq.c:5348

snd_seq_port_info_get_port
int snd_seq_port_info_get_port(const snd_seq_port_info_t *info)
Get port id of a port_info container.
Definition seq.c:2233

snd_seq_query_subscribe_get_port
int snd_seq_query_subscribe_get_port(const snd_seq_query_subscribe_t *info)
Get the port id of a query_subscribe container.
Definition seq.c:3143

snd_seq_client_info_event_filter_add
void snd_seq_client_info_event_filter_add(snd_seq_client_info_t *info, int event_type)
Add an event type to the event filtering of a client_info container.
Definition seq.c:1745

snd_seq_alloc_queue
int snd_seq_alloc_queue(snd_seq_t *seq)
allocate a queue
Definition seq.c:3570

snd_seq_port_info_set_midi_channels
void snd_seq_port_info_set_midi_channels(snd_seq_port_info_t *info, int channels)
set the midi channels of a port_info container
Definition seq.c:2532

snd_seq_queue_info_get_owner
int snd_seq_queue_info_get_owner(const snd_seq_queue_info_t *info)
Get the owner client id of a queue_info container.
Definition seq.c:3440

snd_seq_client_pool_get_output_pool
size_t snd_seq_client_pool_get_output_pool(const snd_seq_client_pool_t *info)
Get the output pool size of a queue_info container.
Definition seq.c:5228

snd_seq_query_subscribe_get_time_real
int snd_seq_query_subscribe_get_time_real(const snd_seq_query_subscribe_t *info)
Get the real-time update mode of a query_subscribe container.
Definition seq.c:3260

snd_seq_queue_status_malloc
int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr)
allocate an empty #snd_seq_queue_status_t using standard malloc
Definition seq.c:3703

snd_seq_port_info_get_midi_channels
int snd_seq_port_info_get_midi_channels(const snd_seq_port_info_t *info)
Get the midi channels of a port_info container.
Definition seq.c:2324

snd_seq_get_queue_usage
int snd_seq_get_queue_usage(snd_seq_t *seq, int q)
Get the queue usage flag to the client.
Definition seq.c:3655

snd_seq_event_output_pending
int snd_seq_event_output_pending(snd_seq_t *seq)
return the size of pending events on output buffer
Definition seq.c:4424

snd_seq_port_subscribe_set_time_update
void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val)
Set the time-update mode of a port_subscribe container.
Definition seq.c:3003

snd_seq_query_subscribe_set_root
void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr)
Set the client/port address of a query_subscribe container.
Definition seq.c:3299

snd_seq_get_ump_endpoint_info
int snd_seq_get_ump_endpoint_info(snd_seq_t *seq, int client, void *info)
Get UMP Endpoint information.
Definition seq.c:2109

snd_seq_ump_event_output_buffer
int snd_seq_ump_event_output_buffer(snd_seq_t *seq, snd_seq_ump_event_t *ev)
output an event onto the lib buffer without draining buffer
Definition seq.c:4669

snd_seq_client_pool_malloc
int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr)
allocate an empty #snd_seq_client_pool_t using standard malloc
Definition seq.c:5182

snd_seq_nonblock
int snd_seq_nonblock(snd_seq_t *seq, int nonblock)
Set nonblock mode.
Definition seq.c:1236

snd_seq_port_info_set_midi_voices
void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices)
set the midi voices of a port_info container
Definition seq.c:2545

snd_seq_client_info_get_ump_conversion
int snd_seq_client_info_get_ump_conversion(const snd_seq_client_info_t *info)
Get the automatic conversion mode for UMP.
Definition seq.c:1870

snd_seq_get_port_subscription
int snd_seq_get_port_subscription(snd_seq_t *seq, snd_seq_port_subscribe_t *sub)
obtain subscription information
Definition seq.c:3037

snd_seq_queue_info_get_name
const char * snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info)
Get the name of a queue_info container.
Definition seq.c:3427

snd_seq_client_info_get_error_bounce
int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info)
Get the error-bounce usage of a client_info container.
Definition seq.c:1617

snd_seq_close
int snd_seq_close(snd_seq_t *seq)
Close the sequencer.
Definition seq.c:1119

snd_seq_client_pool_sizeof
size_t snd_seq_client_pool_sizeof()
get size of #snd_seq_client_pool_t
Definition seq.c:5172

snd_seq_queue_info_set_name
void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name)
Set the name of a queue_info container.
Definition seq.c:3479

snd_seq_query_subscribe_set_port
void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port)
Set the port id of a query_subscribe container.
Definition seq.c:3286

snd_seq_remove_events_set_dest
void snd_seq_remove_events_set_dest(snd_seq_remove_events_t *info, const snd_seq_addr_t *addr)
Set the destination address as removal condition.
Definition seq.c:4989

snd_seq_remove_events_get_dest
const snd_seq_addr_t * snd_seq_remove_events_get_dest(const snd_seq_remove_events_t *info)
Get the event destination address as removal condition.
Definition seq.c:4898

snd_seq_query_named_queue
int snd_seq_query_named_queue(snd_seq_t *seq, const char *name)
query the matching queue with the specified name
Definition seq.c:3634

snd_seq_poll_descriptors_revents
int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
get returned events from poll descriptors
Definition seq.c:1213

snd_seq_client_info_get_pid
int snd_seq_client_info_get_pid(const snd_seq_client_info_t *info)
Get the owning PID.
Definition seq.c:1683

snd_seq_port_info_get_direction
int snd_seq_port_info_get_direction(const snd_seq_port_info_t *info)
Get the direction of the port.
Definition seq.c:2415

snd_seq_port_info_set_direction
void snd_seq_port_info_set_direction(snd_seq_port_info_t *info, int direction)
Set the direction of the port.
Definition seq.c:2632

snd_seq_queue_status_get_queue
int snd_seq_queue_status_get_queue(const snd_seq_queue_status_t *info)
Get the queue id of a queue_status container.
Definition seq.c:3740

snd_seq_queue_tempo_get_skew_base
unsigned int snd_seq_queue_tempo_get_skew_base(const snd_seq_queue_tempo_t *info)
Get the timer skew base value of a queue_status container.
Definition seq.c:3919

snd_seq_port_info_set_timestamp_real
void snd_seq_port_info_set_timestamp_real(snd_seq_port_info_t *info, int enable)
Set whether the timestime is updated in the real-time mode.
Definition seq.c:2603

snd_seq_queue_timer_get_id
const snd_timer_id_t * snd_seq_queue_timer_get_id(const snd_seq_queue_timer_t *info)
Get the timer id of a queue_timer container.
Definition seq.c:4136

snd_seq_port_subscribe_get_dest
const snd_seq_addr_t * snd_seq_port_subscribe_get_dest(const snd_seq_port_subscribe_t *info)
Get destination address of a port_subscribe container.
Definition seq.c:2883

snd_seq_get_bit
int snd_seq_get_bit(int nr, void *array)
get a bit flag state
Definition seq.c:5376

snd_seq_query_subscribe_get_num_subs
int snd_seq_query_subscribe_get_num_subs(const snd_seq_query_subscribe_t *info)
Get the number of subscriptions of a query_subscribe container.
Definition seq.c:3195

snd_seq_get_queue_timer
int snd_seq_get_queue_timer(snd_seq_t *seq, int q, snd_seq_queue_timer_t *timer)
obtain the queue timer information
Definition seq.c:4204

snd_seq_port_subscribe_set_sender
void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr)
Set sender address of a port_subscribe container.
Definition seq.c:2948

snd_seq_queue_tempo_get_queue
int snd_seq_queue_tempo_get_queue(const snd_seq_queue_tempo_t *info)
Get the queue id of a queue_status container.
Definition seq.c:3867

snd_seq_open
int snd_seq_open(snd_seq_t **seqp, const char *name, int streams, int mode)
Open the ALSA sequencer.
Definition seq.c:1050

snd_seq_queue_status_free
void snd_seq_queue_status_free(snd_seq_queue_status_t *obj)
frees a previously allocated #snd_seq_queue_status_t
Definition seq.c:3716

snd_seq_port_info_copy
void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src)
copy one #snd_seq_port_info_t to another
Definition seq.c:2206

snd_seq_port_info_set_ump_group
void snd_seq_port_info_set_ump_group(snd_seq_port_info_t *info, int ump_group)
Set the UMP Group assigned to the port.
Definition seq.c:2645

snd_seq_port_subscribe_free
void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *obj)
frees a previously allocated #snd_seq_port_subscribe_t
Definition seq.c:2848

snd_seq_query_subscribe_get_type
snd_seq_query_subs_type_t snd_seq_query_subscribe_get_type(const snd_seq_query_subscribe_t *info)
Get the query type of a query_subscribe container.
Definition seq.c:3169

snd_seq_client_pool_set_output_pool
void snd_seq_client_pool_set_output_pool(snd_seq_client_pool_t *info, size_t size)
Set the output pool size of a queue_info container.
Definition seq.c:5283

snd_seq_delete_port
int snd_seq_delete_port(snd_seq_t *seq, int port)
delete a sequencer port on the current client
Definition seq.c:2729

snd_seq_get_queue_status
int snd_seq_get_queue_status(snd_seq_t *seq, int q, snd_seq_queue_status_t *status)
obtain the running state of the queue
Definition seq.c:3807

snd_seq_query_subscribe_set_index
void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int index)
Set the subscriber's index to be queried.
Definition seq.c:3325

snd_seq_client_info_get_ump_group_enabled
int snd_seq_client_info_get_ump_group_enabled(const snd_seq_client_info_t *info, int group)
Get the UMP group filter status.
Definition seq.c:1839

snd_seq_port_subscribe_get_exclusive
int snd_seq_port_subscribe_get_exclusive(const snd_seq_port_subscribe_t *info)
Get the exclusive mode of a port_subscribe container.
Definition seq.c:2909

snd_seq_query_port_subscribers
int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t *subs)
query port subscriber list
Definition seq.c:3351

snd_seq_query_subscribe_copy
void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src)
copy one #snd_seq_query_subscribe_t to another
Definition seq.c:3116

snd_seq_client_info_get_event_filter
const unsigned char * snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info)
(DEPRECATED) Get the event filter bitmap of a client_info container
Definition seq.c:1702

snd_seq_client_info_get_num_ports
int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info)
Get the number of opened ports of a client_info container.
Definition seq.c:1799

snd_seq_create_port
int snd_seq_create_port(snd_seq_t *seq, snd_seq_port_info_t *port)
create a sequencer port on the current client
Definition seq.c:2712

snd_seq_port_info_get_midi_voices
int snd_seq_port_info_get_midi_voices(const snd_seq_port_info_t *info)
Get the midi voices of a port_info container.
Definition seq.c:2337

snd_seq_port_subscribe_get_time_real
int snd_seq_port_subscribe_get_time_real(const snd_seq_port_subscribe_t *info)
Get the real-time update mode of a port_subscribe container.
Definition seq.c:2935

snd_seq_port_info_set_timestamping
void snd_seq_port_info_set_timestamping(snd_seq_port_info_t *info, int enable)
Set the time-stamping mode of the given port.
Definition seq.c:2587

snd_seq_queue_timer_set_type
void snd_seq_queue_timer_set_type(snd_seq_queue_timer_t *info, snd_seq_queue_timer_type_t type)
Set the timer type of a queue_timer container.
Definition seq.c:4162

snd_seq_client_info_set_event_filter
void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter)
(DEPRECATED) Set the event filter bitmap of a client_info container
Definition seq.c:2013

snd_seq_queue_status_get_events
int snd_seq_queue_status_get_events(const snd_seq_queue_status_t *info)
Get the number of events of a queue_status container.
Definition seq.c:3753

snd_seq_queue_info_set_flags
void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags)
Set the conditional bit flags of a queue_info container.
Definition seq.c:3518

snd_seq_system_info_malloc
int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr)
Allocate an empty #snd_seq_system_info_t using standard malloc.
Definition seq.c:1384

snd_seq_queue_timer_copy
void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src)
copy one #snd_seq_queue_timer_t to another
Definition seq.c:4096

snd_seq_port_info_set_synth_voices
void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices)
set the synth voices of a port_info container
Definition seq.c:2558

snd_seq_free_queue
int snd_seq_free_queue(snd_seq_t *seq, int q)
delete the specified queue
Definition seq.c:3583

snd_seq_query_subscribe_set_type
void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type)
Set the query type of a query_subscribe container.
Definition seq.c:3312

snd_seq_queue_info_malloc
int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr)
allocate an empty #snd_seq_queue_info_t using standard malloc
Definition seq.c:3377

snd_seq_name
const char * snd_seq_name(snd_seq_t *seq)
get identifier of sequencer handle
Definition seq.c:876

snd_seq_ump_event_input
int snd_seq_ump_event_input(snd_seq_t *seq, snd_seq_ump_event_t **ev)
retrieve a UMP event from sequencer
Definition seq.c:4726

snd_seq_port_info_get_name
const char * snd_seq_port_info_get_name(const snd_seq_port_info_t *info)
Get the name of a port_info container.
Definition seq.c:2259

snd_seq_queue_info_set_locked
void snd_seq_queue_info_set_locked(snd_seq_queue_info_t *info, int locked)
Set the lock status of a queue_info container.
Definition seq.c:3505

snd_seq_query_subscribe_free
void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *obj)
frees a previously allocated #snd_seq_query_subscribe_t
Definition seq.c:3106

snd_seq_client_info_get_type
snd_seq_client_type_t snd_seq_client_info_get_type(const snd_seq_client_info_t *info)
Get client type of a client_info container.
Definition seq.c:1578

snd_seq_drop_input_buffer
int snd_seq_drop_input_buffer(snd_seq_t *seq)
remove all events on user-space input FIFO
Definition seq.c:4762

snd_seq_get_ump_block_info
int snd_seq_get_ump_block_info(snd_seq_t *seq, int client, int blk, void *info)
Get UMP Block information.
Definition seq.c:2125

snd_seq_extract_output
int snd_seq_extract_output(snd_seq_t *seq, snd_seq_event_t **ev_res)
extract the first event in output buffer
Definition seq.c:4474

snd_seq_queue_timer_free
void snd_seq_queue_timer_free(snd_seq_queue_timer_t *obj)
frees a previously allocated #snd_seq_queue_timer_t
Definition seq.c:4086

snd_seq_port_info_set_name
void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name)
Set the name of a port_info container.
Definition seq.c:2493

snd_seq_port_info_set_port
void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port)
Set the port id of a port_info container.
Definition seq.c:2467

snd_seq_system_info_get_ports
int snd_seq_system_info_get_ports(const snd_seq_system_info_t *info)
Get maximum number of ports.
Definition seq.c:1447

snd_seq_client_info_copy
void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src)
copy one #snd_seq_client_info_t to another
Definition seq.c:1548

snd_seq_port_info_set_type
void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type)
Get the type bits of a port_info container.
Definition seq.c:2519

snd_seq_client_id
int snd_seq_client_id(snd_seq_t *seq)
Get the client id.
Definition seq.c:1262

snd_seq_get_any_port_info
int snd_seq_get_any_port_info(snd_seq_t *seq, int client, int port, snd_seq_port_info_t *info)
obtain the information of a port on an arbitrary client
Definition seq.c:2749

snd_seq_event_length
ssize_t snd_seq_event_length(snd_seq_event_t *ev)
calculates the (encoded) byte-stream size of the event
Definition seq.c:4267

snd_seq_system_info_sizeof
size_t snd_seq_system_info_sizeof()
Get size of #snd_seq_system_info_t.
Definition seq.c:1374

snd_seq_get_client_info
int snd_seq_get_client_info(snd_seq_t *seq, snd_seq_client_info_t *info)
obtain the current client information
Definition seq.c:2058

snd_seq_client_info_sizeof
size_t snd_seq_client_info_sizeof()
get size of #snd_seq_client_info_t
Definition seq.c:1515

snd_seq_system_info_get_cur_clients
int snd_seq_system_info_get_cur_clients(const snd_seq_system_info_t *info)
Get the current number of clients.
Definition seq.c:1473

snd_seq_query_next_port
int snd_seq_query_next_port(snd_seq_t *seq, snd_seq_port_info_t *info)
query the next matching port
Definition seq.c:2807

snd_seq_client_pool_get_input_free
size_t snd_seq_client_pool_get_input_free(const snd_seq_client_pool_t *info)
Get the available size on input pool of a queue_info container.
Definition seq.c:5272

snd_seq_remove_events_get_tag
int snd_seq_remove_events_get_tag(const snd_seq_remove_events_t *info)
Get the event tag id as removal condition.
Definition seq.c:4937

snd_seq_get_queue_tempo
int snd_seq_get_queue_tempo(snd_seq_t *seq, int q, snd_seq_queue_tempo_t *tempo)
obtain the current tempo of the queue
Definition seq.c:4017

snd_seq_remove_events_get_queue
int snd_seq_remove_events_get_queue(const snd_seq_remove_events_t *info)
Get the queue as removal condition.
Definition seq.c:4872

snd_seq_queue_tempo_set_skew_base
void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base)
Set the timer skew base value of a queue_status container.
Definition seq.c:3987

snd_seq_port_info_get_port_specified
int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info)
Get the port-specified mode of a port_info container.
Definition seq.c:2363

snd_seq_get_input_buffer_size
size_t snd_seq_get_input_buffer_size(snd_seq_t *seq)
Return the size of input buffer.
Definition seq.c:1302

snd_seq_poll_descriptors_count
int snd_seq_poll_descriptors_count(snd_seq_t *seq, short events)
Returns the number of poll descriptors.
Definition seq.c:1150

snd_seq_client_info_set_ump_groupless_enabled
void snd_seq_client_info_set_ump_groupless_enabled(snd_seq_client_info_t *info, int enable)
Enable/disable the UMP groupless message handling.
Definition seq.c:1957

snd_seq_client_info_get_card
int snd_seq_client_info_get_card(const snd_seq_client_info_t *info)
Get the sound card number.
Definition seq.c:1648

snd_seq_queue_timer_malloc
int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr)
allocate an empty #snd_seq_queue_timer_t using standard malloc
Definition seq.c:4073

snd_seq_port_subscribe_sizeof
size_t snd_seq_port_subscribe_sizeof()
get size of #snd_seq_port_subscribe_t
Definition seq.c:2825

snd_seq_port_info_set_port_specified
void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val)
Set the port-specified mode of a port_info container.
Definition seq.c:2571

snd_seq_event_types
const unsigned int snd_seq_event_types[256]
Definition seq_event.c:15