![Clemens Ladisch](/assets/img/avatar_default.png)
Add four new information flags SNDRV_SEQ_PORT_TYPE_HARDWARE, _SOFTWARE, _SYNTHESIZER, _PORT for sequencer ports. This makes it easier for apps like Rosegarden to make policy decisions based on the port type. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
916 lines
32 KiB
C
916 lines
32 KiB
C
/*
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* Main header file for the ALSA sequencer
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* Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
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* (c) 1998-1999 by Jaroslav Kysela <perex@suse.cz>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __SOUND_ASEQUENCER_H
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#define __SOUND_ASEQUENCER_H
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#ifdef __KERNEL__
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#include <linux/ioctl.h>
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#include <sound/asound.h>
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#endif
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/** version of the sequencer */
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#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1)
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/**
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* definition of sequencer event types
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*/
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/** system messages
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* event data type = #snd_seq_result
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*/
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#define SNDRV_SEQ_EVENT_SYSTEM 0
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#define SNDRV_SEQ_EVENT_RESULT 1
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/** note messages (channel specific)
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* event data type = #snd_seq_ev_note
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*/
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#define SNDRV_SEQ_EVENT_NOTE 5
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#define SNDRV_SEQ_EVENT_NOTEON 6
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#define SNDRV_SEQ_EVENT_NOTEOFF 7
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#define SNDRV_SEQ_EVENT_KEYPRESS 8
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/** control messages (channel specific)
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* event data type = #snd_seq_ev_ctrl
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*/
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#define SNDRV_SEQ_EVENT_CONTROLLER 10
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#define SNDRV_SEQ_EVENT_PGMCHANGE 11
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#define SNDRV_SEQ_EVENT_CHANPRESS 12
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#define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */
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#define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */
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#define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */
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#define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */
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/** synchronisation messages
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* event data type = #snd_seq_ev_ctrl
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*/
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#define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */
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#define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */
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#define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */
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#define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */
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#define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */
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/** timer messages
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* event data type = snd_seq_ev_queue_control
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*/
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#define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */
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#define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */
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#define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */
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#define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */
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#define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */
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#define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */
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#define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */
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#define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */
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#define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */
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/** others
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* event data type = none
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*/
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#define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */
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#define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */
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#define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */
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/** echo back, kernel private messages
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* event data type = any type
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*/
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#define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */
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#define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */
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/** system status messages (broadcast for subscribers)
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* event data type = snd_seq_addr
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*/
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#define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */
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#define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */
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#define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */
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#define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */
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#define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */
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#define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */
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/** port connection changes
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* event data type = snd_seq_connect
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*/
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#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */
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#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */
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/** synthesizer events
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* event data type = snd_seq_eve_sample_control
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*/
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#define SNDRV_SEQ_EVENT_SAMPLE 70 /* sample select */
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#define SNDRV_SEQ_EVENT_SAMPLE_CLUSTER 71 /* sample cluster select */
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#define SNDRV_SEQ_EVENT_SAMPLE_START 72 /* voice start */
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#define SNDRV_SEQ_EVENT_SAMPLE_STOP 73 /* voice stop */
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#define SNDRV_SEQ_EVENT_SAMPLE_FREQ 74 /* playback frequency */
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#define SNDRV_SEQ_EVENT_SAMPLE_VOLUME 75 /* volume and balance */
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#define SNDRV_SEQ_EVENT_SAMPLE_LOOP 76 /* sample loop */
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#define SNDRV_SEQ_EVENT_SAMPLE_POSITION 77 /* sample position */
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#define SNDRV_SEQ_EVENT_SAMPLE_PRIVATE1 78 /* private (hardware dependent) event */
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/** user-defined events with fixed length
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* event data type = any
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*/
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#define SNDRV_SEQ_EVENT_USR0 90
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#define SNDRV_SEQ_EVENT_USR1 91
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#define SNDRV_SEQ_EVENT_USR2 92
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#define SNDRV_SEQ_EVENT_USR3 93
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#define SNDRV_SEQ_EVENT_USR4 94
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#define SNDRV_SEQ_EVENT_USR5 95
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#define SNDRV_SEQ_EVENT_USR6 96
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#define SNDRV_SEQ_EVENT_USR7 97
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#define SNDRV_SEQ_EVENT_USR8 98
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#define SNDRV_SEQ_EVENT_USR9 99
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/** instrument layer
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* variable length data can be passed directly to the driver
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*/
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#define SNDRV_SEQ_EVENT_INSTR_BEGIN 100 /* begin of instrument management */
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#define SNDRV_SEQ_EVENT_INSTR_END 101 /* end of instrument management */
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#define SNDRV_SEQ_EVENT_INSTR_INFO 102 /* instrument interface info */
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#define SNDRV_SEQ_EVENT_INSTR_INFO_RESULT 103 /* result */
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#define SNDRV_SEQ_EVENT_INSTR_FINFO 104 /* get format info */
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#define SNDRV_SEQ_EVENT_INSTR_FINFO_RESULT 105 /* get format info */
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#define SNDRV_SEQ_EVENT_INSTR_RESET 106 /* reset instrument memory */
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#define SNDRV_SEQ_EVENT_INSTR_STATUS 107 /* instrument interface status */
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#define SNDRV_SEQ_EVENT_INSTR_STATUS_RESULT 108 /* result */
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#define SNDRV_SEQ_EVENT_INSTR_PUT 109 /* put instrument to port */
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#define SNDRV_SEQ_EVENT_INSTR_GET 110 /* get instrument from port */
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#define SNDRV_SEQ_EVENT_INSTR_GET_RESULT 111 /* result */
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#define SNDRV_SEQ_EVENT_INSTR_FREE 112 /* free instrument(s) */
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#define SNDRV_SEQ_EVENT_INSTR_LIST 113 /* instrument list */
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#define SNDRV_SEQ_EVENT_INSTR_LIST_RESULT 114 /* result */
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#define SNDRV_SEQ_EVENT_INSTR_CLUSTER 115 /* cluster parameters */
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#define SNDRV_SEQ_EVENT_INSTR_CLUSTER_GET 116 /* get cluster parameters */
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#define SNDRV_SEQ_EVENT_INSTR_CLUSTER_RESULT 117 /* result */
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#define SNDRV_SEQ_EVENT_INSTR_CHANGE 118 /* instrument change */
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/* 119-129: reserved */
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/* 130-139: variable length events
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* event data type = snd_seq_ev_ext
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* (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
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*/
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#define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */
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#define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */
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/* 132-134: reserved */
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#define SNDRV_SEQ_EVENT_USR_VAR0 135
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#define SNDRV_SEQ_EVENT_USR_VAR1 136
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#define SNDRV_SEQ_EVENT_USR_VAR2 137
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#define SNDRV_SEQ_EVENT_USR_VAR3 138
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#define SNDRV_SEQ_EVENT_USR_VAR4 139
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/* 150-151: kernel events with quote - DO NOT use in user clients */
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#define SNDRV_SEQ_EVENT_KERNEL_ERROR 150
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#define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */
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/* 152-191: reserved */
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/* 192-254: hardware specific events */
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/* 255: special event */
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#define SNDRV_SEQ_EVENT_NONE 255
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typedef unsigned char snd_seq_event_type_t;
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/** event address */
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struct snd_seq_addr {
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unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */
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unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */
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};
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/** port connection */
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struct snd_seq_connect {
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struct snd_seq_addr sender;
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struct snd_seq_addr dest;
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};
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#define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */
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#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */
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#define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */
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#define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */
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/* event mode flag - NOTE: only 8 bits available! */
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#define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */
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#define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */
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#define SNDRV_SEQ_TIME_STAMP_MASK (1<<0)
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#define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */
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#define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */
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#define SNDRV_SEQ_TIME_MODE_MASK (1<<1)
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#define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */
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#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */
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#define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */
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#define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2)
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#define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */
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#define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */
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#define SNDRV_SEQ_PRIORITY_MASK (1<<4)
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/* note event */
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struct snd_seq_ev_note {
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unsigned char channel;
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unsigned char note;
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unsigned char velocity;
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unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */
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unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */
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};
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/* controller event */
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struct snd_seq_ev_ctrl {
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unsigned char channel;
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unsigned char unused1, unused2, unused3; /* pad */
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unsigned int param;
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signed int value;
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};
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/* generic set of bytes (12x8 bit) */
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struct snd_seq_ev_raw8 {
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unsigned char d[12]; /* 8 bit value */
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};
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/* generic set of integers (3x32 bit) */
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struct snd_seq_ev_raw32 {
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unsigned int d[3]; /* 32 bit value */
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};
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/* external stored data */
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struct snd_seq_ev_ext {
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unsigned int len; /* length of data */
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void *ptr; /* pointer to data (note: maybe 64-bit) */
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} __attribute__((packed));
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/* Instrument cluster type */
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typedef unsigned int snd_seq_instr_cluster_t;
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/* Instrument type */
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struct snd_seq_instr {
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snd_seq_instr_cluster_t cluster;
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unsigned int std; /* the upper byte means a private instrument (owner - client #) */
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unsigned short bank;
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unsigned short prg;
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};
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/* sample number */
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struct snd_seq_ev_sample {
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unsigned int std;
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unsigned short bank;
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unsigned short prg;
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};
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/* sample cluster */
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struct snd_seq_ev_cluster {
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snd_seq_instr_cluster_t cluster;
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};
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/* sample position */
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typedef unsigned int snd_seq_position_t; /* playback position (in samples) * 16 */
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/* sample stop mode */
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enum {
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SAMPLE_STOP_IMMEDIATELY = 0, /* terminate playing immediately */
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SAMPLE_STOP_VENVELOPE = 1, /* finish volume envelope */
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SAMPLE_STOP_LOOP = 2 /* terminate loop and finish wave */
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};
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/* sample frequency */
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typedef int snd_seq_frequency_t; /* playback frequency in HZ * 16 */
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/* sample volume control; if any value is set to -1 == do not change */
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struct snd_seq_ev_volume {
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signed short volume; /* range: 0-16383 */
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signed short lr; /* left-right balance; range: 0-16383 */
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signed short fr; /* front-rear balance; range: 0-16383 */
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signed short du; /* down-up balance; range: 0-16383 */
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};
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/* simple loop redefinition */
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struct snd_seq_ev_loop {
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unsigned int start; /* loop start (in samples) * 16 */
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unsigned int end; /* loop end (in samples) * 16 */
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};
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struct snd_seq_ev_sample_control {
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unsigned char channel;
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unsigned char unused1, unused2, unused3; /* pad */
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union {
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struct snd_seq_ev_sample sample;
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struct snd_seq_ev_cluster cluster;
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snd_seq_position_t position;
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int stop_mode;
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snd_seq_frequency_t frequency;
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struct snd_seq_ev_volume volume;
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struct snd_seq_ev_loop loop;
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unsigned char raw8[8];
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} param;
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};
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/* INSTR_BEGIN event */
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struct snd_seq_ev_instr_begin {
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int timeout; /* zero = forever, otherwise timeout in ms */
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};
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struct snd_seq_result {
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int event; /* processed event type */
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int result;
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};
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struct snd_seq_real_time {
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unsigned int tv_sec; /* seconds */
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unsigned int tv_nsec; /* nanoseconds */
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};
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typedef unsigned int snd_seq_tick_time_t; /* midi ticks */
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union snd_seq_timestamp {
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snd_seq_tick_time_t tick;
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struct snd_seq_real_time time;
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};
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struct snd_seq_queue_skew {
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unsigned int value;
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unsigned int base;
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};
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/* queue timer control */
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struct snd_seq_ev_queue_control {
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unsigned char queue; /* affected queue */
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unsigned char pad[3]; /* reserved */
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union {
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signed int value; /* affected value (e.g. tempo) */
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union snd_seq_timestamp time; /* time */
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unsigned int position; /* sync position */
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struct snd_seq_queue_skew skew;
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unsigned int d32[2];
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unsigned char d8[8];
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} param;
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};
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/* quoted event - inside the kernel only */
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struct snd_seq_ev_quote {
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struct snd_seq_addr origin; /* original sender */
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unsigned short value; /* optional data */
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struct snd_seq_event *event; /* quoted event */
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} __attribute__((packed));
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/* sequencer event */
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struct snd_seq_event {
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snd_seq_event_type_t type; /* event type */
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unsigned char flags; /* event flags */
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char tag;
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unsigned char queue; /* schedule queue */
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union snd_seq_timestamp time; /* schedule time */
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struct snd_seq_addr source; /* source address */
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struct snd_seq_addr dest; /* destination address */
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union { /* event data... */
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struct snd_seq_ev_note note;
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struct snd_seq_ev_ctrl control;
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struct snd_seq_ev_raw8 raw8;
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struct snd_seq_ev_raw32 raw32;
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struct snd_seq_ev_ext ext;
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struct snd_seq_ev_queue_control queue;
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union snd_seq_timestamp time;
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struct snd_seq_addr addr;
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struct snd_seq_connect connect;
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struct snd_seq_result result;
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struct snd_seq_ev_instr_begin instr_begin;
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struct snd_seq_ev_sample_control sample;
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struct snd_seq_ev_quote quote;
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} data;
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};
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/*
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* bounce event - stored as variable size data
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*/
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struct snd_seq_event_bounce {
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int err;
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struct snd_seq_event event;
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/* external data follows here. */
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};
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#ifdef __KERNEL__
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/* helper macro */
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#define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce)))
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/*
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* type check macros
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*/
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/* result events: 0-4 */
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#define snd_seq_ev_is_result_type(ev) ((ev)->type < 5)
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/* channel specific events: 5-19 */
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#define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20)
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/* note events: 5-9 */
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#define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10)
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/* control events: 10-19 */
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#define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20)
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/* queue control events: 30-39 */
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#define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40)
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/* system status messages */
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#define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69)
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/* sample messages */
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#define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79)
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/* user-defined messages */
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#define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99)
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/* fixed length events: 0-99 */
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#define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100)
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/* instrument layer events: 100-129 */
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#define snd_seq_ev_is_instr_type(ev) ((ev)->type >= 100 && (ev)->type < 130)
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/* variable length events: 130-139 */
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#define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140)
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/* reserved for kernel */
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#define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150)
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/* direct dispatched events */
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#define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT)
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/*
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* macros to check event flags
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*/
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/* prior events */
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#define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH)
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/* event length type */
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#define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK)
|
|
#define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED)
|
|
#define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
|
|
#define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR)
|
|
|
|
/* time-stamp type */
|
|
#define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK)
|
|
#define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK)
|
|
#define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL)
|
|
|
|
/* time-mode type */
|
|
#define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK)
|
|
#define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS)
|
|
#define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL)
|
|
|
|
/* queue sync port */
|
|
#define snd_seq_queue_sync_port(q) ((q) + 16)
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
/* 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 */
|
|
char reserved[64]; /* 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 */
|
|
};
|
|
|
|
|
|
/*
|
|
* Instrument abstraction layer
|
|
* - based on events
|
|
*/
|
|
|
|
/* instrument types */
|
|
#define SNDRV_SEQ_INSTR_ATYPE_DATA 0 /* instrument data */
|
|
#define SNDRV_SEQ_INSTR_ATYPE_ALIAS 1 /* instrument alias */
|
|
|
|
/* instrument ASCII identifiers */
|
|
#define SNDRV_SEQ_INSTR_ID_DLS1 "DLS1"
|
|
#define SNDRV_SEQ_INSTR_ID_DLS2 "DLS2"
|
|
#define SNDRV_SEQ_INSTR_ID_SIMPLE "Simple Wave"
|
|
#define SNDRV_SEQ_INSTR_ID_SOUNDFONT "SoundFont"
|
|
#define SNDRV_SEQ_INSTR_ID_GUS_PATCH "GUS Patch"
|
|
#define SNDRV_SEQ_INSTR_ID_INTERWAVE "InterWave FFFF"
|
|
#define SNDRV_SEQ_INSTR_ID_OPL2_3 "OPL2/3 FM"
|
|
#define SNDRV_SEQ_INSTR_ID_OPL4 "OPL4"
|
|
|
|
/* instrument types */
|
|
#define SNDRV_SEQ_INSTR_TYPE0_DLS1 (1<<0) /* MIDI DLS v1 */
|
|
#define SNDRV_SEQ_INSTR_TYPE0_DLS2 (1<<1) /* MIDI DLS v2 */
|
|
#define SNDRV_SEQ_INSTR_TYPE1_SIMPLE (1<<0) /* Simple Wave */
|
|
#define SNDRV_SEQ_INSTR_TYPE1_SOUNDFONT (1<<1) /* EMU SoundFont */
|
|
#define SNDRV_SEQ_INSTR_TYPE1_GUS_PATCH (1<<2) /* Gravis UltraSound Patch */
|
|
#define SNDRV_SEQ_INSTR_TYPE1_INTERWAVE (1<<3) /* InterWave FFFF */
|
|
#define SNDRV_SEQ_INSTR_TYPE2_OPL2_3 (1<<0) /* Yamaha OPL2/3 FM */
|
|
#define SNDRV_SEQ_INSTR_TYPE2_OPL4 (1<<1) /* Yamaha OPL4 */
|
|
|
|
/* put commands */
|
|
#define SNDRV_SEQ_INSTR_PUT_CMD_CREATE 0
|
|
#define SNDRV_SEQ_INSTR_PUT_CMD_REPLACE 1
|
|
#define SNDRV_SEQ_INSTR_PUT_CMD_MODIFY 2
|
|
#define SNDRV_SEQ_INSTR_PUT_CMD_ADD 3
|
|
#define SNDRV_SEQ_INSTR_PUT_CMD_REMOVE 4
|
|
|
|
/* get commands */
|
|
#define SNDRV_SEQ_INSTR_GET_CMD_FULL 0
|
|
#define SNDRV_SEQ_INSTR_GET_CMD_PARTIAL 1
|
|
|
|
/* query flags */
|
|
#define SNDRV_SEQ_INSTR_QUERY_FOLLOW_ALIAS (1<<0)
|
|
|
|
/* free commands */
|
|
#define SNDRV_SEQ_INSTR_FREE_CMD_ALL 0
|
|
#define SNDRV_SEQ_INSTR_FREE_CMD_PRIVATE 1
|
|
#define SNDRV_SEQ_INSTR_FREE_CMD_CLUSTER 2
|
|
#define SNDRV_SEQ_INSTR_FREE_CMD_SINGLE 3
|
|
|
|
/* size of ROM/RAM */
|
|
typedef unsigned int snd_seq_instr_size_t;
|
|
|
|
/* INSTR_INFO */
|
|
|
|
struct snd_seq_instr_info {
|
|
int result; /* operation result */
|
|
unsigned int formats[8]; /* bitmap of supported formats */
|
|
int ram_count; /* count of RAM banks */
|
|
snd_seq_instr_size_t ram_sizes[16]; /* size of RAM banks */
|
|
int rom_count; /* count of ROM banks */
|
|
snd_seq_instr_size_t rom_sizes[8]; /* size of ROM banks */
|
|
char reserved[128];
|
|
};
|
|
|
|
/* INSTR_STATUS */
|
|
|
|
struct snd_seq_instr_status {
|
|
int result; /* operation result */
|
|
snd_seq_instr_size_t free_ram[16]; /* free RAM in banks */
|
|
int instrument_count; /* count of downloaded instruments */
|
|
char reserved[128];
|
|
};
|
|
|
|
/* INSTR_FORMAT_INFO */
|
|
|
|
struct snd_seq_instr_format_info {
|
|
char format[16]; /* format identifier - SNDRV_SEQ_INSTR_ID_* */
|
|
unsigned int len; /* max data length (without this structure) */
|
|
};
|
|
|
|
struct snd_seq_instr_format_info_result {
|
|
int result; /* operation result */
|
|
char format[16]; /* format identifier */
|
|
unsigned int len; /* filled data length (without this structure) */
|
|
};
|
|
|
|
/* instrument data */
|
|
struct snd_seq_instr_data {
|
|
char name[32]; /* instrument name */
|
|
char reserved[16]; /* for the future use */
|
|
int type; /* instrument type */
|
|
union {
|
|
char format[16]; /* format identifier */
|
|
struct snd_seq_instr alias;
|
|
} data;
|
|
};
|
|
|
|
/* INSTR_PUT/GET, data are stored in one block (extended), header + data */
|
|
|
|
struct snd_seq_instr_header {
|
|
union {
|
|
struct snd_seq_instr instr;
|
|
snd_seq_instr_cluster_t cluster;
|
|
} id; /* instrument identifier */
|
|
unsigned int cmd; /* get/put/free command */
|
|
unsigned int flags; /* query flags (only for get) */
|
|
unsigned int len; /* real instrument data length (without header) */
|
|
int result; /* operation result */
|
|
char reserved[16]; /* for the future */
|
|
struct snd_seq_instr_data data; /* instrument data (for put/get result) */
|
|
};
|
|
|
|
/* INSTR_CLUSTER_SET */
|
|
|
|
struct snd_seq_instr_cluster_set {
|
|
snd_seq_instr_cluster_t cluster; /* cluster identifier */
|
|
char name[32]; /* cluster name */
|
|
int priority; /* cluster priority */
|
|
char reserved[64]; /* for the future use */
|
|
};
|
|
|
|
/* INSTR_CLUSTER_GET */
|
|
|
|
struct snd_seq_instr_cluster_get {
|
|
snd_seq_instr_cluster_t cluster; /* cluster identifier */
|
|
char name[32]; /* cluster name */
|
|
int priority; /* cluster priority */
|
|
char reserved[64]; /* for the 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)
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#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info)
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#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)
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#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
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#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
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#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
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#define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct snd_seq_queue_owner)
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#define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct snd_seq_queue_owner)
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#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)
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#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)
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/* XXX
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#define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC _IOWR('S', 0x53, struct snd_seq_queue_sync)
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#define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC _IOW ('S', 0x54, struct snd_seq_queue_sync)
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*/
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#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client)
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#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client)
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#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)
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#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)
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#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events)
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#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs)
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#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe)
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#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info)
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#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)
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#endif /* __SOUND_ASEQUENCER_H */
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