/** * \file include/seq.h * \brief Application interface library for the ALSA driver * \author Jaroslav Kysela <[email protected]> * \author Abramo Bagnara <[email protected]> * \author Takashi Iwai <[email protected]> * \date 1998-2001 */ /* * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifndef __ALSA_SEQ_H #define __ALSA_SEQ_H #ifdef __cplusplus extern "C" { #endif /** * \defgroup Sequencer MIDI Sequencer * MIDI Sequencer Interface. * See \ref seq page for more details. * \{ */ /** dlsym version for interface entry callback */ #define SND_SEQ_DLSYM_VERSION … /** Sequencer handle */ snd_seq_t; /** * sequencer opening stream types */ #define SND_SEQ_OPEN_OUTPUT … #define SND_SEQ_OPEN_INPUT … #define SND_SEQ_OPEN_DUPLEX … /** * sequencer opening mode */ #define SND_SEQ_NONBLOCK … /** sequencer handle type */ snd_seq_type_t; /** special client (port) ids */ #define SND_SEQ_ADDRESS_UNKNOWN … #define SND_SEQ_ADDRESS_SUBSCRIBERS … #define SND_SEQ_ADDRESS_BROADCAST … /** known client numbers */ #define SND_SEQ_CLIENT_SYSTEM … /* */ 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); /** system information container */ snd_seq_system_info_t; size_t snd_seq_system_info_sizeof(void); /** allocate a #snd_seq_system_info_t container on stack */ #define snd_seq_system_info_alloca(ptr) … 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); /** \} */ /** * \defgroup SeqClient Sequencer Client Interface * Sequencer Client Interface * \ingroup Sequencer * \{ */ /** client information container */ snd_seq_client_info_t; /** client types */ snd_seq_client_type_t; size_t snd_seq_client_info_sizeof(void); /** allocate a #snd_seq_client_info_t container on stack */ #define snd_seq_client_info_alloca(ptr) … 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); 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_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); /* */ /** client pool information container */ snd_seq_client_pool_t; size_t snd_seq_client_pool_sizeof(void); /** allocate a #snd_seq_client_pool_t container on stack */ #define snd_seq_client_pool_alloca(ptr) … 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); /** \} */ /** * \defgroup SeqPort Sequencer Port Interface * Sequencer Port Interface * \ingroup Sequencer * \{ */ /** port information container */ snd_seq_port_info_t; /** known port numbers */ #define SND_SEQ_PORT_SYSTEM_TIMER … #define SND_SEQ_PORT_SYSTEM_ANNOUNCE … /** port capabilities (32 bits) */ #define SND_SEQ_PORT_CAP_READ … #define SND_SEQ_PORT_CAP_WRITE … #define SND_SEQ_PORT_CAP_SYNC_READ … #define SND_SEQ_PORT_CAP_SYNC_WRITE … #define SND_SEQ_PORT_CAP_DUPLEX … #define SND_SEQ_PORT_CAP_SUBS_READ … #define SND_SEQ_PORT_CAP_SUBS_WRITE … #define SND_SEQ_PORT_CAP_NO_EXPORT … /* port type */ /** Messages sent from/to this port have device-specific semantics. */ #define SND_SEQ_PORT_TYPE_SPECIFIC … /** This port understands MIDI messages. */ #define SND_SEQ_PORT_TYPE_MIDI_GENERIC … /** This port is compatible with the General MIDI specification. */ #define SND_SEQ_PORT_TYPE_MIDI_GM … /** This port is compatible with the Roland GS standard. */ #define SND_SEQ_PORT_TYPE_MIDI_GS … /** This port is compatible with the Yamaha XG specification. */ #define SND_SEQ_PORT_TYPE_MIDI_XG … /** This port is compatible with the Roland MT-32. */ #define SND_SEQ_PORT_TYPE_MIDI_MT32 … /** This port is compatible with the General MIDI 2 specification. */ #define SND_SEQ_PORT_TYPE_MIDI_GM2 … /** This port understands SND_SEQ_EVENT_SAMPLE_xxx messages (these are not MIDI messages). */ #define SND_SEQ_PORT_TYPE_SYNTH … /** Instruments can be downloaded to this port (with SND_SEQ_EVENT_INSTR_xxx messages sent directly). */ #define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE … /** Instruments can be downloaded to this port (with SND_SEQ_EVENT_INSTR_xxx messages sent directly or through a queue). */ #define SND_SEQ_PORT_TYPE_SAMPLE … /** This port is implemented in hardware. */ #define SND_SEQ_PORT_TYPE_HARDWARE … /** This port is implemented in software. */ #define SND_SEQ_PORT_TYPE_SOFTWARE … /** Messages sent to this port will generate sounds. */ #define SND_SEQ_PORT_TYPE_SYNTHESIZER … /** This port may connect to other devices (whose characteristics are not known). */ #define SND_SEQ_PORT_TYPE_PORT … /** This port belongs to an application, such as a sequencer or editor. */ #define SND_SEQ_PORT_TYPE_APPLICATION … size_t snd_seq_port_info_sizeof(void); /** allocate a #snd_seq_port_info_t container on stack */ #define snd_seq_port_info_alloca(ptr) … 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); 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); 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); /** \} */ /** * \defgroup SeqSubscribe Sequencer Port Subscription * Sequencer Port Subscription * \ingroup Sequencer * \{ */ /** port subscription container */ snd_seq_port_subscribe_t; size_t snd_seq_port_subscribe_sizeof(void); /** allocate a #snd_seq_port_subscribe_t container on stack */ #define snd_seq_port_subscribe_alloca(ptr) … 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); /* */ /** subscription query container */ snd_seq_query_subscribe_t; /** type of query subscription */ snd_seq_query_subs_type_t; size_t snd_seq_query_subscribe_sizeof(void); /** allocate a #snd_seq_query_subscribe_t container on stack */ #define snd_seq_query_subscribe_alloca(ptr) … 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); /** \} */ /** * \defgroup SeqQueue Sequencer Queue Interface * Sequencer Queue Interface * \ingroup Sequencer * \{ */ /** queue information container */ snd_seq_queue_info_t; /** queue status container */ snd_seq_queue_status_t; /** queue tempo container */ snd_seq_queue_tempo_t; /** queue timer information container */ snd_seq_queue_timer_t; /** special queue ids */ #define SND_SEQ_QUEUE_DIRECT … size_t snd_seq_queue_info_sizeof(void); /** allocate a #snd_seq_queue_info_t container on stack */ #define snd_seq_queue_info_alloca(ptr) … 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); /** allocate a #snd_seq_queue_status_t container on stack */ #define snd_seq_queue_status_alloca(ptr) … 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); /** allocate a #snd_seq_queue_tempo_t container on stack */ #define snd_seq_queue_tempo_alloca(ptr) … 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); 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); 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); /* */ /** sequencer timer sources */ snd_seq_queue_timer_type_t; size_t snd_seq_queue_timer_sizeof(void); /** allocate a #snd_seq_queue_timer_t container on stack */ #define snd_seq_queue_timer_alloca(ptr) … 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); /** \} */ /** * \defgroup SeqEvent Sequencer Event API * Sequencer Event API * \ingroup Sequencer * \{ */ 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); /** event removal conditionals */ snd_seq_remove_events_t; /** Remove conditional flags */ #define SND_SEQ_REMOVE_INPUT … #define SND_SEQ_REMOVE_OUTPUT … #define SND_SEQ_REMOVE_DEST … #define SND_SEQ_REMOVE_DEST_CHANNEL … #define SND_SEQ_REMOVE_TIME_BEFORE … #define SND_SEQ_REMOVE_TIME_AFTER … #define SND_SEQ_REMOVE_TIME_TICK … #define SND_SEQ_REMOVE_EVENT_TYPE … #define SND_SEQ_REMOVE_IGNORE_OFF … #define SND_SEQ_REMOVE_TAG_MATCH … size_t snd_seq_remove_events_sizeof(void); /** allocate a #snd_seq_remove_events_t container on stack */ #define snd_seq_remove_events_alloca(ptr) … 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); /** \} */ /** * \defgroup SeqMisc Sequencer Miscellaneous * Sequencer Miscellaneous * \ingroup Sequencer * \{ */ 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); /** \} */ /** * \defgroup SeqEvType Sequencer Event Type Checks * Sequencer Event Type Checks * \ingroup Sequencer * \{ */ /* event type macros */ enum { … }; enum { … }; enum { … }; /** * Exported event type table * * This table is referred by snd_seq_ev_is_xxx. */ extern const unsigned int snd_seq_event_types[]; #define _SND_SEQ_TYPE(x) … #define _SND_SEQ_TYPE_OPT(x) … /** check the event type */ #define snd_seq_type_check(ev,x) … /** event type check: result events */ #define snd_seq_ev_is_result_type(ev) … /** event type check: note events */ #define snd_seq_ev_is_note_type(ev) … /** event type check: control events */ #define snd_seq_ev_is_control_type(ev) … /** event type check: channel specific events */ #define snd_seq_ev_is_channel_type(ev) … /** event type check: queue control events */ #define snd_seq_ev_is_queue_type(ev) … /** event type check: system status messages */ #define snd_seq_ev_is_message_type(ev) … /** event type check: system status messages */ #define snd_seq_ev_is_subscribe_type(ev) … /** event type check: sample messages */ #define snd_seq_ev_is_sample_type(ev) … /** event type check: user-defined messages */ #define snd_seq_ev_is_user_type(ev) … /** event type check: instrument layer events */ #define snd_seq_ev_is_instr_type(ev) … /** event type check: fixed length events */ #define snd_seq_ev_is_fixed_type(ev) … /** event type check: variable length events */ #define snd_seq_ev_is_variable_type(ev) … /** event type check: user pointer events */ #define snd_seq_ev_is_varusr_type(ev) … /** event type check: reserved for kernel */ #define snd_seq_ev_is_reserved(ev) … /** * macros to check event flags */ /** prior events */ #define snd_seq_ev_is_prior(ev) … /** get the data length type */ #define snd_seq_ev_length_type(ev) … /** fixed length events */ #define snd_seq_ev_is_fixed(ev) … /** variable length events */ #define snd_seq_ev_is_variable(ev) … /** variable length on user-space */ #define snd_seq_ev_is_varusr(ev) … /** time-stamp type */ #define snd_seq_ev_timestamp_type(ev) … /** event is in tick time */ #define snd_seq_ev_is_tick(ev) … /** event is in real-time */ #define snd_seq_ev_is_real(ev) … /** time-mode type */ #define snd_seq_ev_timemode_type(ev) … /** scheduled in absolute time */ #define snd_seq_ev_is_abstime(ev) … /** scheduled in relative time */ #define snd_seq_ev_is_reltime(ev) … /** direct dispatched events */ #define snd_seq_ev_is_direct(ev) … /** \} */ #ifdef __cplusplus } #endif #endif /* __ALSA_SEQ_H */
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