613 lines
21 KiB
C
613 lines
21 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
|
|
/*
|
|
* Main header file for the ALSA sequencer
|
|
* Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
|
|
* (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>
|
|
*
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
#ifndef _UAPI__SOUND_ASEQUENCER_H
|
|
#define _UAPI__SOUND_ASEQUENCER_H
|
|
|
|
#include <sound/asound.h>
|
|
|
|
/** version of the sequencer */
|
|
#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 2)
|
|
|
|
/**
|
|
* definition of sequencer event types
|
|
*/
|
|
|
|
/** system messages
|
|
* event data type = #snd_seq_result
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_SYSTEM 0
|
|
#define SNDRV_SEQ_EVENT_RESULT 1
|
|
|
|
/** note messages (channel specific)
|
|
* event data type = #snd_seq_ev_note
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_NOTE 5
|
|
#define SNDRV_SEQ_EVENT_NOTEON 6
|
|
#define SNDRV_SEQ_EVENT_NOTEOFF 7
|
|
#define SNDRV_SEQ_EVENT_KEYPRESS 8
|
|
|
|
/** control messages (channel specific)
|
|
* event data type = #snd_seq_ev_ctrl
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_CONTROLLER 10
|
|
#define SNDRV_SEQ_EVENT_PGMCHANGE 11
|
|
#define SNDRV_SEQ_EVENT_CHANPRESS 12
|
|
#define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */
|
|
#define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */
|
|
#define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */
|
|
#define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */
|
|
|
|
/** synchronisation messages
|
|
* event data type = #snd_seq_ev_ctrl
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */
|
|
#define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */
|
|
#define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */
|
|
#define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */
|
|
#define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */
|
|
|
|
/** timer messages
|
|
* event data type = snd_seq_ev_queue_control
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */
|
|
#define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */
|
|
#define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */
|
|
#define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */
|
|
#define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */
|
|
#define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */
|
|
#define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */
|
|
#define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */
|
|
#define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */
|
|
|
|
/** others
|
|
* event data type = none
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */
|
|
#define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */
|
|
#define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */
|
|
|
|
/** echo back, kernel private messages
|
|
* event data type = any type
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */
|
|
#define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */
|
|
|
|
/** system status messages (broadcast for subscribers)
|
|
* event data type = snd_seq_addr
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */
|
|
#define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */
|
|
#define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */
|
|
#define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */
|
|
#define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */
|
|
#define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */
|
|
|
|
/** port connection changes
|
|
* event data type = snd_seq_connect
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */
|
|
#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */
|
|
|
|
/* 70-89: synthesizer events - obsoleted */
|
|
|
|
/** user-defined events with fixed length
|
|
* event data type = any
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_USR0 90
|
|
#define SNDRV_SEQ_EVENT_USR1 91
|
|
#define SNDRV_SEQ_EVENT_USR2 92
|
|
#define SNDRV_SEQ_EVENT_USR3 93
|
|
#define SNDRV_SEQ_EVENT_USR4 94
|
|
#define SNDRV_SEQ_EVENT_USR5 95
|
|
#define SNDRV_SEQ_EVENT_USR6 96
|
|
#define SNDRV_SEQ_EVENT_USR7 97
|
|
#define SNDRV_SEQ_EVENT_USR8 98
|
|
#define SNDRV_SEQ_EVENT_USR9 99
|
|
|
|
/* 100-118: instrument layer - obsoleted */
|
|
/* 119-129: reserved */
|
|
|
|
/* 130-139: variable length events
|
|
* event data type = snd_seq_ev_ext
|
|
* (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
|
|
*/
|
|
#define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */
|
|
#define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */
|
|
/* 132-134: reserved */
|
|
#define SNDRV_SEQ_EVENT_USR_VAR0 135
|
|
#define SNDRV_SEQ_EVENT_USR_VAR1 136
|
|
#define SNDRV_SEQ_EVENT_USR_VAR2 137
|
|
#define SNDRV_SEQ_EVENT_USR_VAR3 138
|
|
#define SNDRV_SEQ_EVENT_USR_VAR4 139
|
|
|
|
/* 150-151: kernel events with quote - DO NOT use in user clients */
|
|
#define SNDRV_SEQ_EVENT_KERNEL_ERROR 150
|
|
#define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */
|
|
|
|
/* 152-191: reserved */
|
|
|
|
/* 192-254: hardware specific events */
|
|
|
|
/* 255: special event */
|
|
#define SNDRV_SEQ_EVENT_NONE 255
|
|
|
|
|
|
typedef unsigned char snd_seq_event_type_t;
|
|
|
|
/** event address */
|
|
struct snd_seq_addr {
|
|
unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */
|
|
unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */
|
|
};
|
|
|
|
/** port connection */
|
|
struct snd_seq_connect {
|
|
struct snd_seq_addr sender;
|
|
struct snd_seq_addr dest;
|
|
};
|
|
|
|
|
|
#define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */
|
|
#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */
|
|
#define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */
|
|
#define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */
|
|
|
|
/* event mode flag - NOTE: only 8 bits available! */
|
|
#define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */
|
|
#define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */
|
|
#define SNDRV_SEQ_TIME_STAMP_MASK (1<<0)
|
|
|
|
#define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */
|
|
#define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */
|
|
#define SNDRV_SEQ_TIME_MODE_MASK (1<<1)
|
|
|
|
#define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */
|
|
#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */
|
|
#define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */
|
|
#define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2)
|
|
|
|
#define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */
|
|
#define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */
|
|
#define SNDRV_SEQ_PRIORITY_MASK (1<<4)
|
|
|
|
|
|
/* note event */
|
|
struct snd_seq_ev_note {
|
|
unsigned char channel;
|
|
unsigned char note;
|
|
unsigned char velocity;
|
|
unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */
|
|
unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */
|
|
};
|
|
|
|
/* controller event */
|
|
struct snd_seq_ev_ctrl {
|
|
unsigned char channel;
|
|
unsigned char unused1, unused2, unused3; /* pad */
|
|
unsigned int param;
|
|
signed int value;
|
|
};
|
|
|
|
/* generic set of bytes (12x8 bit) */
|
|
struct snd_seq_ev_raw8 {
|
|
unsigned char d[12]; /* 8 bit value */
|
|
};
|
|
|
|
/* generic set of integers (3x32 bit) */
|
|
struct snd_seq_ev_raw32 {
|
|
unsigned int d[3]; /* 32 bit value */
|
|
};
|
|
|
|
/* external stored data */
|
|
struct snd_seq_ev_ext {
|
|
unsigned int len; /* length of data */
|
|
void *ptr; /* pointer to data (note: maybe 64-bit) */
|
|
} __attribute__((packed));
|
|
|
|
struct snd_seq_result {
|
|
int event; /* processed event type */
|
|
int result;
|
|
};
|
|
|
|
|
|
struct snd_seq_real_time {
|
|
unsigned int tv_sec; /* seconds */
|
|
unsigned int tv_nsec; /* nanoseconds */
|
|
};
|
|
|
|
typedef unsigned int snd_seq_tick_time_t; /* midi ticks */
|
|
|
|
union snd_seq_timestamp {
|
|
snd_seq_tick_time_t tick;
|
|
struct snd_seq_real_time time;
|
|
};
|
|
|
|
struct snd_seq_queue_skew {
|
|
unsigned int value;
|
|
unsigned int base;
|
|
};
|
|
|
|
/* queue timer control */
|
|
struct snd_seq_ev_queue_control {
|
|
unsigned char queue; /* affected queue */
|
|
unsigned char pad[3]; /* reserved */
|
|
union {
|
|
signed int value; /* affected value (e.g. tempo) */
|
|
union snd_seq_timestamp time; /* time */
|
|
unsigned int position; /* sync position */
|
|
struct snd_seq_queue_skew skew;
|
|
unsigned int d32[2];
|
|
unsigned char d8[8];
|
|
} param;
|
|
};
|
|
|
|
/* quoted event - inside the kernel only */
|
|
struct snd_seq_ev_quote {
|
|
struct snd_seq_addr origin; /* original sender */
|
|
unsigned short value; /* optional data */
|
|
struct snd_seq_event *event; /* quoted event */
|
|
} __attribute__((packed));
|
|
|
|
|
|
/* sequencer event */
|
|
struct snd_seq_event {
|
|
snd_seq_event_type_t type; /* event type */
|
|
unsigned char flags; /* event flags */
|
|
char tag;
|
|
|
|
unsigned char queue; /* schedule queue */
|
|
union snd_seq_timestamp time; /* schedule time */
|
|
|
|
|
|
struct snd_seq_addr source; /* source address */
|
|
struct snd_seq_addr dest; /* destination address */
|
|
|
|
union { /* event data... */
|
|
struct snd_seq_ev_note note;
|
|
struct snd_seq_ev_ctrl control;
|
|
struct snd_seq_ev_raw8 raw8;
|
|
struct snd_seq_ev_raw32 raw32;
|
|
struct snd_seq_ev_ext ext;
|
|
struct snd_seq_ev_queue_control queue;
|
|
union snd_seq_timestamp time;
|
|
struct snd_seq_addr addr;
|
|
struct snd_seq_connect connect;
|
|
struct snd_seq_result result;
|
|
struct snd_seq_ev_quote quote;
|
|
} data;
|
|
};
|
|
|
|
|
|
/*
|
|
* bounce event - stored as variable size data
|
|
*/
|
|
struct snd_seq_event_bounce {
|
|
int err;
|
|
struct snd_seq_event event;
|
|
/* external data follows here. */
|
|
};
|
|
|
|
|
|
/* system information */
|
|
struct snd_seq_system_info {
|
|
int queues; /* maximum queues count */
|
|
int clients; /* maximum clients count */
|
|
int ports; /* maximum ports per client */
|
|
int channels; /* maximum channels per port */
|
|
int cur_clients; /* current clients */
|
|
int cur_queues; /* current queues */
|
|
char reserved[24];
|
|
};
|
|
|
|
|
|
/* system running information */
|
|
struct snd_seq_running_info {
|
|
unsigned char client; /* client id */
|
|
unsigned char big_endian; /* 1 = big-endian */
|
|
unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */
|
|
unsigned char pad; /* reserved */
|
|
unsigned char reserved[12];
|
|
};
|
|
|
|
|
|
/* known client numbers */
|
|
#define SNDRV_SEQ_CLIENT_SYSTEM 0
|
|
/* internal client numbers */
|
|
#define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */
|
|
#define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */
|
|
|
|
|
|
/* client types */
|
|
typedef int __bitwise snd_seq_client_type_t;
|
|
#define NO_CLIENT ((__force snd_seq_client_type_t) 0)
|
|
#define USER_CLIENT ((__force snd_seq_client_type_t) 1)
|
|
#define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2)
|
|
|
|
/* event filter flags */
|
|
#define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */
|
|
#define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */
|
|
#define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */
|
|
#define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */
|
|
|
|
struct snd_seq_client_info {
|
|
int client; /* client number to inquire */
|
|
snd_seq_client_type_t type; /* client type */
|
|
char name[64]; /* client name */
|
|
unsigned int filter; /* filter flags */
|
|
unsigned char multicast_filter[8]; /* multicast filter bitmap */
|
|
unsigned char event_filter[32]; /* event filter bitmap */
|
|
int num_ports; /* RO: number of ports */
|
|
int event_lost; /* number of lost events */
|
|
int card; /* RO: card number[kernel] */
|
|
int pid; /* RO: pid[user] */
|
|
char reserved[56]; /* for future use */
|
|
};
|
|
|
|
|
|
/* client pool size */
|
|
struct snd_seq_client_pool {
|
|
int client; /* client number to inquire */
|
|
int output_pool; /* outgoing (write) pool size */
|
|
int input_pool; /* incoming (read) pool size */
|
|
int output_room; /* minimum free pool size for select/blocking mode */
|
|
int output_free; /* unused size */
|
|
int input_free; /* unused size */
|
|
char reserved[64];
|
|
};
|
|
|
|
|
|
/* Remove events by specified criteria */
|
|
|
|
#define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */
|
|
#define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */
|
|
#define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */
|
|
#define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */
|
|
#define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */
|
|
#define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */
|
|
#define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */
|
|
#define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */
|
|
#define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */
|
|
#define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */
|
|
|
|
struct snd_seq_remove_events {
|
|
unsigned int remove_mode; /* Flags that determine what gets removed */
|
|
|
|
union snd_seq_timestamp time;
|
|
|
|
unsigned char queue; /* Queue for REMOVE_DEST */
|
|
struct snd_seq_addr dest; /* Address for REMOVE_DEST */
|
|
unsigned char channel; /* Channel for REMOVE_DEST */
|
|
|
|
int type; /* For REMOVE_EVENT_TYPE */
|
|
char tag; /* Tag for REMOVE_TAG */
|
|
|
|
int reserved[10]; /* To allow for future binary compatibility */
|
|
|
|
};
|
|
|
|
|
|
/* known port numbers */
|
|
#define SNDRV_SEQ_PORT_SYSTEM_TIMER 0
|
|
#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1
|
|
|
|
/* port capabilities (32 bits) */
|
|
#define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */
|
|
#define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */
|
|
|
|
#define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2)
|
|
#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3)
|
|
|
|
#define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4)
|
|
|
|
#define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */
|
|
#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */
|
|
#define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */
|
|
|
|
/* port type */
|
|
#define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */
|
|
#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */
|
|
#define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */
|
|
#define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */
|
|
#define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */
|
|
#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */
|
|
#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */
|
|
|
|
/* other standards...*/
|
|
#define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */
|
|
#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */
|
|
#define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */
|
|
/*...*/
|
|
#define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */
|
|
#define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */
|
|
#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */
|
|
#define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */
|
|
#define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */
|
|
|
|
/* misc. conditioning flags */
|
|
#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0)
|
|
#define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1)
|
|
#define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2)
|
|
|
|
struct snd_seq_port_info {
|
|
struct snd_seq_addr addr; /* client/port numbers */
|
|
char name[64]; /* port name */
|
|
|
|
unsigned int capability; /* port capability bits */
|
|
unsigned int type; /* port type bits */
|
|
int midi_channels; /* channels per MIDI port */
|
|
int midi_voices; /* voices per MIDI port */
|
|
int synth_voices; /* voices per SYNTH port */
|
|
|
|
int read_use; /* R/O: subscribers for output (from this port) */
|
|
int write_use; /* R/O: subscribers for input (to this port) */
|
|
|
|
void *kernel; /* reserved for kernel use (must be NULL) */
|
|
unsigned int flags; /* misc. conditioning */
|
|
unsigned char time_queue; /* queue # for timestamping */
|
|
char reserved[59]; /* for future use */
|
|
};
|
|
|
|
|
|
/* queue flags */
|
|
#define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */
|
|
|
|
/* queue information */
|
|
struct snd_seq_queue_info {
|
|
int queue; /* queue id */
|
|
|
|
/*
|
|
* security settings, only owner of this queue can start/stop timer
|
|
* etc. if the queue is locked for other clients
|
|
*/
|
|
int owner; /* client id for owner of the queue */
|
|
unsigned locked:1; /* timing queue locked for other queues */
|
|
char name[64]; /* name of this queue */
|
|
unsigned int flags; /* flags */
|
|
char reserved[60]; /* for future use */
|
|
|
|
};
|
|
|
|
/* queue info/status */
|
|
struct snd_seq_queue_status {
|
|
int queue; /* queue id */
|
|
int events; /* read-only - queue size */
|
|
snd_seq_tick_time_t tick; /* current tick */
|
|
struct snd_seq_real_time time; /* current time */
|
|
int running; /* running state of queue */
|
|
int flags; /* various flags */
|
|
char reserved[64]; /* for the future */
|
|
};
|
|
|
|
|
|
/* queue tempo */
|
|
struct snd_seq_queue_tempo {
|
|
int queue; /* sequencer queue */
|
|
unsigned int tempo; /* current tempo, us/tick */
|
|
int ppq; /* time resolution, ticks/quarter */
|
|
unsigned int skew_value; /* queue skew */
|
|
unsigned int skew_base; /* queue skew base */
|
|
char reserved[24]; /* for the future */
|
|
};
|
|
|
|
|
|
/* sequencer timer sources */
|
|
#define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */
|
|
#define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */
|
|
#define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */
|
|
|
|
/* queue timer info */
|
|
struct snd_seq_queue_timer {
|
|
int queue; /* sequencer queue */
|
|
int type; /* source timer type */
|
|
union {
|
|
struct {
|
|
struct snd_timer_id id; /* ALSA's timer ID */
|
|
unsigned int resolution; /* resolution in Hz */
|
|
} alsa;
|
|
} u;
|
|
char reserved[64]; /* for the future use */
|
|
};
|
|
|
|
|
|
struct snd_seq_queue_client {
|
|
int queue; /* sequencer queue */
|
|
int client; /* sequencer client */
|
|
int used; /* queue is used with this client
|
|
(must be set for accepting events) */
|
|
/* per client watermarks */
|
|
char reserved[64]; /* for future use */
|
|
};
|
|
|
|
|
|
#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */
|
|
#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1)
|
|
#define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2)
|
|
|
|
struct snd_seq_port_subscribe {
|
|
struct snd_seq_addr sender; /* sender address */
|
|
struct snd_seq_addr dest; /* destination address */
|
|
unsigned int voices; /* number of voices to be allocated (0 = don't care) */
|
|
unsigned int flags; /* modes */
|
|
unsigned char queue; /* input time-stamp queue (optional) */
|
|
unsigned char pad[3]; /* reserved */
|
|
char reserved[64];
|
|
};
|
|
|
|
/* type of query subscription */
|
|
#define SNDRV_SEQ_QUERY_SUBS_READ 0
|
|
#define SNDRV_SEQ_QUERY_SUBS_WRITE 1
|
|
|
|
struct snd_seq_query_subs {
|
|
struct snd_seq_addr root; /* client/port id to be searched */
|
|
int type; /* READ or WRITE */
|
|
int index; /* 0..N-1 */
|
|
int num_subs; /* R/O: number of subscriptions on this port */
|
|
struct snd_seq_addr addr; /* R/O: result */
|
|
unsigned char queue; /* R/O: result */
|
|
unsigned int flags; /* R/O: result */
|
|
char reserved[64]; /* for future use */
|
|
};
|
|
|
|
|
|
/*
|
|
* IOCTL commands
|
|
*/
|
|
|
|
#define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int)
|
|
#define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int)
|
|
#define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info)
|
|
#define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info)
|
|
|
|
#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info)
|
|
#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info)
|
|
|
|
#define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info)
|
|
#define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info)
|
|
#define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info)
|
|
#define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info)
|
|
|
|
#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe)
|
|
#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)
|
|
|
|
#define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info)
|
|
#define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info)
|
|
#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info)
|
|
#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info)
|
|
#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)
|
|
#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
|
|
#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
|
|
#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
|
|
#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)
|
|
#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)
|
|
#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client)
|
|
#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client)
|
|
#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)
|
|
#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)
|
|
#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events)
|
|
#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs)
|
|
#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe)
|
|
#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info)
|
|
#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)
|
|
|
|
#endif /* _UAPI__SOUND_ASEQUENCER_H */
|