-/****************************************************************************
- * *
- * seq.h *
- * Sequencer *
- * *
- ****************************************************************************/
+/**
+ * \file include/seq.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \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
+ *
+ */
-#define SND_SEQ_OPEN_OUT (O_WRONLY)
-#define SND_SEQ_OPEN_IN (O_RDONLY)
-#define SND_SEQ_OPEN (O_RDWR)
+#ifndef __ALSA_SEQ_H
+#define __ALSA_SEQ_H
#ifdef __cplusplus
extern "C" {
#endif
-typedef struct snd_seq snd_seq_t;
+/**
+ * \defgroup Sequencer MIDI Sequencer
+ * MIDI Sequencer Interface.
+ * See \ref seq page for more details.
+ * \{
+ */
-int snd_seq_open(snd_seq_t **handle, int mode);
+/** dlsym version for interface entry callback */
+#define SND_SEQ_DLSYM_VERSION _dlsym_seq_001
+
+/** Sequencer handle */
+typedef struct _snd_seq snd_seq_t;
+
+/**
+ * sequencer opening stream types
+ */
+#define SND_SEQ_OPEN_OUTPUT 1 /**< open for output (write) */
+#define SND_SEQ_OPEN_INPUT 2 /**< open for input (read) */
+#define SND_SEQ_OPEN_DUPLEX (SND_SEQ_OPEN_OUTPUT|SND_SEQ_OPEN_INPUT) /**< open for both input and output (read/write) */
+
+/**
+ * sequencer opening mode
+ */
+#define SND_SEQ_NONBLOCK 0x0001 /**< non-blocking mode (flag to open mode) */
+
+/** sequencer handle type */
+typedef enum _snd_seq_type {
+ SND_SEQ_TYPE_HW, /**< hardware */
+ SND_SEQ_TYPE_SHM, /**< shared memory (NYI) */
+ SND_SEQ_TYPE_INET /**< network (NYI) */
+} snd_seq_type_t;
+
+/** special client (port) ids */
+#define SND_SEQ_ADDRESS_UNKNOWN 253 /**< unknown source */
+#define SND_SEQ_ADDRESS_SUBSCRIBERS 254 /**< send event to all subscribed ports */
+#define SND_SEQ_ADDRESS_BROADCAST 255 /**< send event to all queues/clients/ports/channels */
+
+/** known client numbers */
+#define SND_SEQ_CLIENT_SYSTEM 0 /**< system client */
+
+/*
+ */
+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_file_descriptor(snd_seq_t *handle);
-int snd_seq_block_mode(snd_seq_t *handle, int enable);
+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 */
+typedef struct _snd_seq_system_info 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) \
+ __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);
+
+/** \} */
+
+
+/**
+ * \defgroup SeqClient Sequencer Client Interface
+ * Sequencer Client Interface
+ * \ingroup Sequencer
+ * \{
+ */
+
+/** client information container */
+typedef struct _snd_seq_client_info snd_seq_client_info_t;
+
+/** client types */
+typedef enum snd_seq_client_type {
+ SND_SEQ_USER_CLIENT = 1, /**< user client */
+ SND_SEQ_KERNEL_CLIENT = 2 /**< kernel client */
+} 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) \
+ __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);
+
+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 */
+typedef struct _snd_seq_client_pool 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) \
+ __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);
+
+
+/** \} */
+
+
+/**
+ * \defgroup SeqPort Sequencer Port Interface
+ * Sequencer Port Interface
+ * \ingroup Sequencer
+ * \{
+ */
+
+/** port information container */
+typedef struct _snd_seq_port_info snd_seq_port_info_t;
+
+/** known port numbers */
+#define SND_SEQ_PORT_SYSTEM_TIMER 0 /**< system timer port */
+#define SND_SEQ_PORT_SYSTEM_ANNOUNCE 1 /**< system announce port */
+
+/** port capabilities (32 bits) */
+#define SND_SEQ_PORT_CAP_READ (1<<0) /**< readable from this port */
+#define SND_SEQ_PORT_CAP_WRITE (1<<1) /**< writable to this port */
+
+#define SND_SEQ_PORT_CAP_SYNC_READ (1<<2) /**< allow read subscriptions */
+#define SND_SEQ_PORT_CAP_SYNC_WRITE (1<<3) /**< allow write subscriptions */
+
+#define SND_SEQ_PORT_CAP_DUPLEX (1<<4) /**< allow read/write duplex */
+
+#define SND_SEQ_PORT_CAP_SUBS_READ (1<<5) /**< allow read subscription */
+#define SND_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /**< allow write subscription */
+#define SND_SEQ_PORT_CAP_NO_EXPORT (1<<7) /**< routing not allowed */
+
+/* port type */
+/** Messages sent from/to this port have device-specific semantics. */
+#define SND_SEQ_PORT_TYPE_SPECIFIC (1<<0)
+/** This port understands MIDI messages. */
+#define SND_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1)
+/** This port is compatible with the General MIDI specification. */
+#define SND_SEQ_PORT_TYPE_MIDI_GM (1<<2)
+/** This port is compatible with the Roland GS standard. */
+#define SND_SEQ_PORT_TYPE_MIDI_GS (1<<3)
+/** This port is compatible with the Yamaha XG specification. */
+#define SND_SEQ_PORT_TYPE_MIDI_XG (1<<4)
+/** This port is compatible with the Roland MT-32. */
+#define SND_SEQ_PORT_TYPE_MIDI_MT32 (1<<5)
+/** This port is compatible with the General MIDI 2 specification. */
+#define SND_SEQ_PORT_TYPE_MIDI_GM2 (1<<6)
+/** This port understands SND_SEQ_EVENT_SAMPLE_xxx messages
+ (these are not MIDI messages). */
+#define SND_SEQ_PORT_TYPE_SYNTH (1<<10)
+/** Instruments can be downloaded to this port
+ (with SND_SEQ_EVENT_INSTR_xxx messages sent directly). */
+#define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)
+/** 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 (1<<12)
+/** This port is implemented in hardware. */
+#define SND_SEQ_PORT_TYPE_HARDWARE (1<<16)
+/** This port is implemented in software. */
+#define SND_SEQ_PORT_TYPE_SOFTWARE (1<<17)
+/** Messages sent to this port will generate sounds. */
+#define SND_SEQ_PORT_TYPE_SYNTHESIZER (1<<18)
+/** This port may connect to other devices
+ (whose characteristics are not known). */
+#define SND_SEQ_PORT_TYPE_PORT (1<<19)
+/** This port belongs to an application, such as a sequencer or editor. */
+#define SND_SEQ_PORT_TYPE_APPLICATION (1<<20)
+
+
+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) \
+ __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);
+
+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, 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 */
+typedef struct _snd_seq_port_subscribe 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) \
+ __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);
+
+/*
+ */
+
+/** subscription query container */
+typedef struct _snd_seq_query_subscribe snd_seq_query_subscribe_t;
+
+/** type of query subscription */
+typedef enum {
+ SND_SEQ_QUERY_SUBS_READ, /**< query read subscriptions */
+ SND_SEQ_QUERY_SUBS_WRITE /**< query write subscriptions */
+} 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) \
+ __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);
+
+/** \} */
+
+
+/**
+ * \defgroup SeqQueue Sequencer Queue Interface
+ * Sequencer Queue Interface
+ * \ingroup Sequencer
+ * \{
+ */
+
+/** queue information container */
+typedef struct _snd_seq_queue_info snd_seq_queue_info_t;
+/** queue status container */
+typedef struct _snd_seq_queue_status snd_seq_queue_status_t;
+/** queue tempo container */
+typedef struct _snd_seq_queue_tempo snd_seq_queue_tempo_t;
+/** queue timer information container */
+typedef struct _snd_seq_queue_timer snd_seq_queue_timer_t;
+
+/** special queue ids */
+#define SND_SEQ_QUEUE_DIRECT 253 /**< direct dispatch */
+
+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) \
+ __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);
+/** allocate a #snd_seq_queue_status_t container on stack */
+#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);
+/** allocate a #snd_seq_queue_tempo_t container on stack */
+#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);
+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);
-int snd_seq_get_queue_owner(snd_seq_t *handle, int q, snd_seq_queue_owner_t *owner);
-int snd_seq_set_queue_owner(snd_seq_t *handle, int q, snd_seq_queue_owner_t *owner);
+
+/*
+ */
+
+/** sequencer timer sources */
+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);
+/** allocate a #snd_seq_queue_timer_t container on stack */
+#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_get_queue_sync(snd_seq_t *handle, int q, snd_seq_queue_sync_t *sync);
-int snd_seq_set_queue_sync(snd_seq_t *handle, int q, snd_seq_queue_sync_t *sync);
-int snd_seq_get_queue_client(snd_seq_t *handle, int q, snd_seq_queue_client_t *queue);
-int snd_seq_set_queue_client(snd_seq_t *handle, int q, snd_seq_queue_client_t *queue);
-int snd_seq_alloc_queue(snd_seq_t *handle);
-int snd_seq_free_queue(snd_seq_t *handle, int q);
-/* event routines */
-snd_seq_event_t *snd_seq_create_event(void);
+
+/** \} */
+
+/**
+ * \defgroup SeqEvent Sequencer Event API
+ * Sequencer Event API
+ * \ingroup Sequencer
+ * \{
+ */
+
int snd_seq_free_event(snd_seq_event_t *ev);
-int snd_seq_event_length(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_flush_output(snd_seq_t *handle);
+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_drain_input(snd_seq_t *handle);
-/* misc */
+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 */
+typedef struct _snd_seq_remove_events snd_seq_remove_events_t;
+
+/** Remove conditional flags */
+#define SND_SEQ_REMOVE_INPUT (1<<0) /**< Flush input queues */
+#define SND_SEQ_REMOVE_OUTPUT (1<<1) /**< Flush output queues */
+#define SND_SEQ_REMOVE_DEST (1<<2) /**< Restrict by destination q:client:port */
+#define SND_SEQ_REMOVE_DEST_CHANNEL (1<<3) /**< Restrict by channel */
+#define SND_SEQ_REMOVE_TIME_BEFORE (1<<4) /**< Restrict to before time */
+#define SND_SEQ_REMOVE_TIME_AFTER (1<<5) /**< Restrict to time or after */
+#define SND_SEQ_REMOVE_TIME_TICK (1<<6) /**< Time is in ticks */
+#define SND_SEQ_REMOVE_EVENT_TYPE (1<<7) /**< Restrict to event type */
+#define SND_SEQ_REMOVE_IGNORE_OFF (1<<8) /**< Do not flush off events */
+#define SND_SEQ_REMOVE_TAG_MATCH (1<<9) /**< Restrict to events with given tag */
+
+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) \
+ __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);
+
+/** \} */
+
+/**
+ * \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 {
+ 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
+};
+
+/**
+ * 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) (1<<(x)) /**< master type - 24bit */
+#define _SND_SEQ_TYPE_OPT(x) ((x)<<24) /**< optional type - 8bit */
+
+/** check the event type */
+#define snd_seq_type_check(ev,x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x))
+
+/** event type check: result events */
+#define snd_seq_ev_is_result_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT)
+/** event type check: note events */
+#define snd_seq_ev_is_note_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE)
+/** event type check: control events */
+#define snd_seq_ev_is_control_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL)
+/** event type check: channel specific events */
+#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)))
+
+/** event type check: queue control events */
+#define snd_seq_ev_is_queue_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE)
+/** event type check: system status messages */
+#define snd_seq_ev_is_message_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE)
+/** event type check: system status messages */
+#define snd_seq_ev_is_subscribe_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION)
+/** event type check: sample messages */
+#define snd_seq_ev_is_sample_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE)
+/** event type check: user-defined messages */
+#define snd_seq_ev_is_user_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS)
+/** event type check: instrument layer events */
+#define snd_seq_ev_is_instr_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR)
+/** event type check: fixed length events */
+#define snd_seq_ev_is_fixed_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED)
+/** event type check: variable length events */
+#define snd_seq_ev_is_variable_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE)
+/** event type check: user pointer events */
+#define snd_seq_ev_is_varusr_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR)
+/** event type check: reserved for kernel */
+#define snd_seq_ev_is_reserved(ev) \
+ (! snd_seq_event_types[(ev)->type])
+
+/**
+ * macros to check event flags
+ */
+/** prior events */
+#define snd_seq_ev_is_prior(ev) \
+ (((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH)
+
+/** get the data length type */
+#define snd_seq_ev_length_type(ev) \
+ ((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK)
+/** fixed length events */
+#define snd_seq_ev_is_fixed(ev) \
+ (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED)
+/** variable length events */
+#define snd_seq_ev_is_variable(ev) \
+ (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE)
+/** variable length on user-space */
+#define snd_seq_ev_is_varusr(ev) \
+ (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR)
+
+/** time-stamp type */
+#define snd_seq_ev_timestamp_type(ev) \
+ ((ev)->flags & SND_SEQ_TIME_STAMP_MASK)
+/** event is in tick time */
+#define snd_seq_ev_is_tick(ev) \
+ (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK)
+/** event is in real-time */
+#define snd_seq_ev_is_real(ev) \
+ (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL)
+
+/** time-mode type */
+#define snd_seq_ev_timemode_type(ev) \
+ ((ev)->flags & SND_SEQ_TIME_MODE_MASK)
+/** scheduled in absolute time */
+#define snd_seq_ev_is_abstime(ev) \
+ (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS)
+/** scheduled in relative time */
+#define snd_seq_ev_is_reltime(ev) \
+ (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL)
+
+/** direct dispatched events */
+#define snd_seq_ev_is_direct(ev) \
+ ((ev)->queue == SND_SEQ_QUEUE_DIRECT)
+
+/** \} */
+
#ifdef __cplusplus
}
#endif
+#endif /* __ALSA_SEQ_H */
+
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