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comparison DPF-Prymula-audioplugins/dpf/distrho/src/dssi/seq_event-compat.h @ 3:84e66ea83026

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DPF-Prymula-audioplugins-0.231015-2
author prymula <prymula76@outlook.com>
date Mon, 16 Oct 2023 21:53:34 +0200
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2:cf2cb71d31dd 3:84e66ea83026
1 /**
2 * \file include/seq_event.h
3 * \brief Application interface library for the ALSA driver
4 * \author Jaroslav Kysela <perex@perex.cz>
5 * \author Abramo Bagnara <abramo@alsa-project.org>
6 * \author Takashi Iwai <tiwai@suse.de>
7 * \date 1998-2001
8 *
9 * Application interface library for the ALSA driver
10 */
11 /*
12 * This library is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License as
14 * published by the Free Software Foundation; either version 2.1 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 *
26 */
27
28 #ifndef __ALSA_SEQ_EVENT_COMPAT_H
29 #define __ALSA_SEQ_EVENT_COMPAT_H
30
31 /**
32 * Sequencer event data type
33 */
34 typedef unsigned char snd_seq_event_type_t;
35
36 /** Sequencer event type */
37 enum snd_seq_event_type {
38 /** system status; event data type = #snd_seq_result_t */
39 SND_SEQ_EVENT_SYSTEM = 0,
40 /** returned result status; event data type = #snd_seq_result_t */
41 SND_SEQ_EVENT_RESULT,
42
43 /** note on and off with duration; event data type = #snd_seq_ev_note_t */
44 SND_SEQ_EVENT_NOTE = 5,
45 /** note on; event data type = #snd_seq_ev_note_t */
46 SND_SEQ_EVENT_NOTEON,
47 /** note off; event data type = #snd_seq_ev_note_t */
48 SND_SEQ_EVENT_NOTEOFF,
49 /** key pressure change (aftertouch); event data type = #snd_seq_ev_note_t */
50 SND_SEQ_EVENT_KEYPRESS,
51
52 /** controller; event data type = #snd_seq_ev_ctrl_t */
53 SND_SEQ_EVENT_CONTROLLER = 10,
54 /** program change; event data type = #snd_seq_ev_ctrl_t */
55 SND_SEQ_EVENT_PGMCHANGE,
56 /** channel pressure; event data type = #snd_seq_ev_ctrl_t */
57 SND_SEQ_EVENT_CHANPRESS,
58 /** pitchwheel; event data type = #snd_seq_ev_ctrl_t; data is from -8192 to 8191) */
59 SND_SEQ_EVENT_PITCHBEND,
60 /** 14 bit controller value; event data type = #snd_seq_ev_ctrl_t */
61 SND_SEQ_EVENT_CONTROL14,
62 /** 14 bit NRPN; event data type = #snd_seq_ev_ctrl_t */
63 SND_SEQ_EVENT_NONREGPARAM,
64 /** 14 bit RPN; event data type = #snd_seq_ev_ctrl_t */
65 SND_SEQ_EVENT_REGPARAM,
66
67 /** SPP with LSB and MSB values; event data type = #snd_seq_ev_ctrl_t */
68 SND_SEQ_EVENT_SONGPOS = 20,
69 /** Song Select with song ID number; event data type = #snd_seq_ev_ctrl_t */
70 SND_SEQ_EVENT_SONGSEL,
71 /** midi time code quarter frame; event data type = #snd_seq_ev_ctrl_t */
72 SND_SEQ_EVENT_QFRAME,
73 /** SMF Time Signature event; event data type = #snd_seq_ev_ctrl_t */
74 SND_SEQ_EVENT_TIMESIGN,
75 /** SMF Key Signature event; event data type = #snd_seq_ev_ctrl_t */
76 SND_SEQ_EVENT_KEYSIGN,
77
78 /** MIDI Real Time Start message; event data type = #snd_seq_ev_queue_control_t */
79 SND_SEQ_EVENT_START = 30,
80 /** MIDI Real Time Continue message; event data type = #snd_seq_ev_queue_control_t */
81 SND_SEQ_EVENT_CONTINUE,
82 /** MIDI Real Time Stop message; event data type = #snd_seq_ev_queue_control_t */
83 SND_SEQ_EVENT_STOP,
84 /** Set tick queue position; event data type = #snd_seq_ev_queue_control_t */
85 SND_SEQ_EVENT_SETPOS_TICK,
86 /** Set real-time queue position; event data type = #snd_seq_ev_queue_control_t */
87 SND_SEQ_EVENT_SETPOS_TIME,
88 /** (SMF) Tempo event; event data type = #snd_seq_ev_queue_control_t */
89 SND_SEQ_EVENT_TEMPO,
90 /** MIDI Real Time Clock message; event data type = #snd_seq_ev_queue_control_t */
91 SND_SEQ_EVENT_CLOCK,
92 /** MIDI Real Time Tick message; event data type = #snd_seq_ev_queue_control_t */
93 SND_SEQ_EVENT_TICK,
94 /** Queue timer skew; event data type = #snd_seq_ev_queue_control_t */
95 SND_SEQ_EVENT_QUEUE_SKEW,
96 /** Sync position changed; event data type = #snd_seq_ev_queue_control_t */
97 SND_SEQ_EVENT_SYNC_POS,
98
99 /** Tune request; event data type = none */
100 SND_SEQ_EVENT_TUNE_REQUEST = 40,
101 /** Reset to power-on state; event data type = none */
102 SND_SEQ_EVENT_RESET,
103 /** Active sensing event; event data type = none */
104 SND_SEQ_EVENT_SENSING,
105
106 /** Echo-back event; event data type = any type */
107 SND_SEQ_EVENT_ECHO = 50,
108 /** OSS emulation raw event; event data type = any type */
109 SND_SEQ_EVENT_OSS,
110
111 /** New client has connected; event data type = #snd_seq_addr_t */
112 SND_SEQ_EVENT_CLIENT_START = 60,
113 /** Client has left the system; event data type = #snd_seq_addr_t */
114 SND_SEQ_EVENT_CLIENT_EXIT,
115 /** Client status/info has changed; event data type = #snd_seq_addr_t */
116 SND_SEQ_EVENT_CLIENT_CHANGE,
117 /** New port was created; event data type = #snd_seq_addr_t */
118 SND_SEQ_EVENT_PORT_START,
119 /** Port was deleted from system; event data type = #snd_seq_addr_t */
120 SND_SEQ_EVENT_PORT_EXIT,
121 /** Port status/info has changed; event data type = #snd_seq_addr_t */
122 SND_SEQ_EVENT_PORT_CHANGE,
123
124 /** Ports connected; event data type = #snd_seq_connect_t */
125 SND_SEQ_EVENT_PORT_SUBSCRIBED,
126 /** Ports disconnected; event data type = #snd_seq_connect_t */
127 SND_SEQ_EVENT_PORT_UNSUBSCRIBED,
128
129 /** user-defined event; event data type = any (fixed size) */
130 SND_SEQ_EVENT_USR0 = 90,
131 /** user-defined event; event data type = any (fixed size) */
132 SND_SEQ_EVENT_USR1,
133 /** user-defined event; event data type = any (fixed size) */
134 SND_SEQ_EVENT_USR2,
135 /** user-defined event; event data type = any (fixed size) */
136 SND_SEQ_EVENT_USR3,
137 /** user-defined event; event data type = any (fixed size) */
138 SND_SEQ_EVENT_USR4,
139 /** user-defined event; event data type = any (fixed size) */
140 SND_SEQ_EVENT_USR5,
141 /** user-defined event; event data type = any (fixed size) */
142 SND_SEQ_EVENT_USR6,
143 /** user-defined event; event data type = any (fixed size) */
144 SND_SEQ_EVENT_USR7,
145 /** user-defined event; event data type = any (fixed size) */
146 SND_SEQ_EVENT_USR8,
147 /** user-defined event; event data type = any (fixed size) */
148 SND_SEQ_EVENT_USR9,
149
150 /** system exclusive data (variable length); event data type = #snd_seq_ev_ext_t */
151 SND_SEQ_EVENT_SYSEX = 130,
152 /** error event; event data type = #snd_seq_ev_ext_t */
153 SND_SEQ_EVENT_BOUNCE,
154 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
155 SND_SEQ_EVENT_USR_VAR0 = 135,
156 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
157 SND_SEQ_EVENT_USR_VAR1,
158 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
159 SND_SEQ_EVENT_USR_VAR2,
160 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
161 SND_SEQ_EVENT_USR_VAR3,
162 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
163 SND_SEQ_EVENT_USR_VAR4,
164
165 /** NOP; ignored in any case */
166 SND_SEQ_EVENT_NONE = 255
167 };
168
169 /** Sequencer event address */
170 typedef struct snd_seq_addr {
171 unsigned char client; /**< Client id */
172 unsigned char port; /**< Port id */
173 } snd_seq_addr_t;
174
175 /** Connection (subscription) between ports */
176 typedef struct snd_seq_connect {
177 snd_seq_addr_t sender; /**< sender address */
178 snd_seq_addr_t dest; /**< destination address */
179 } snd_seq_connect_t;
180
181 /** Real-time data record */
182 typedef struct snd_seq_real_time {
183 unsigned int tv_sec; /**< seconds */
184 unsigned int tv_nsec; /**< nanoseconds */
185 } snd_seq_real_time_t;
186
187 /** (MIDI) Tick-time data record */
188 typedef unsigned int snd_seq_tick_time_t;
189
190 /** unioned time stamp */
191 typedef union snd_seq_timestamp {
192 snd_seq_tick_time_t tick; /**< tick-time */
193 struct snd_seq_real_time time; /**< real-time */
194 } snd_seq_timestamp_t;
195
196 /** Note event */
197 typedef struct snd_seq_ev_note {
198 unsigned char channel; /**< channel number */
199 unsigned char note; /**< note */
200 unsigned char velocity; /**< velocity */
201 unsigned char off_velocity; /**< note-off velocity; only for #SND_SEQ_EVENT_NOTE */
202 unsigned int duration; /**< duration until note-off; only for #SND_SEQ_EVENT_NOTE */
203 } snd_seq_ev_note_t;
204
205 /** Controller event */
206 typedef struct snd_seq_ev_ctrl {
207 unsigned char channel; /**< channel number */
208 unsigned char unused[3]; /**< reserved */
209 unsigned int param; /**< control parameter */
210 signed int value; /**< control value */
211 } snd_seq_ev_ctrl_t;
212
213 /** generic set of bytes (12x8 bit) */
214 typedef struct snd_seq_ev_raw8 {
215 unsigned char d[12]; /**< 8 bit value */
216 } snd_seq_ev_raw8_t;
217
218 /** generic set of integers (3x32 bit) */
219 typedef struct snd_seq_ev_raw32 {
220 unsigned int d[3]; /**< 32 bit value */
221 } snd_seq_ev_raw32_t;
222
223 /** external stored data */
224 typedef struct snd_seq_ev_ext {
225 unsigned int len; /**< length of data */
226 void *ptr; /**< pointer to data (note: can be 64-bit) */
227 } __attribute__((packed)) snd_seq_ev_ext_t;
228
229 /** Result events */
230 typedef struct snd_seq_result {
231 int event; /**< processed event type */
232 int result; /**< status */
233 } snd_seq_result_t;
234
235 /** Queue skew values */
236 typedef struct snd_seq_queue_skew {
237 unsigned int value; /**< skew value */
238 unsigned int base; /**< skew base */
239 } snd_seq_queue_skew_t;
240
241 /** queue timer control */
242 typedef struct snd_seq_ev_queue_control {
243 unsigned char queue; /**< affected queue */
244 unsigned char unused[3]; /**< reserved */
245 union {
246 signed int value; /**< affected value (e.g. tempo) */
247 snd_seq_timestamp_t time; /**< time */
248 unsigned int position; /**< sync position */
249 snd_seq_queue_skew_t skew; /**< queue skew */
250 unsigned int d32[2]; /**< any data */
251 unsigned char d8[8]; /**< any data */
252 } param; /**< data value union */
253 } snd_seq_ev_queue_control_t;
254
255 /** Sequencer event */
256 typedef struct snd_seq_event {
257 snd_seq_event_type_t type; /**< event type */
258 unsigned char flags; /**< event flags */
259 unsigned char tag; /**< tag */
260
261 unsigned char queue; /**< schedule queue */
262 snd_seq_timestamp_t time; /**< schedule time */
263
264 snd_seq_addr_t source; /**< source address */
265 snd_seq_addr_t dest; /**< destination address */
266
267 union {
268 snd_seq_ev_note_t note; /**< note information */
269 snd_seq_ev_ctrl_t control; /**< MIDI control information */
270 snd_seq_ev_raw8_t raw8; /**< raw8 data */
271 snd_seq_ev_raw32_t raw32; /**< raw32 data */
272 snd_seq_ev_ext_t ext; /**< external data */
273 snd_seq_ev_queue_control_t queue; /**< queue control */
274 snd_seq_timestamp_t time; /**< timestamp */
275 snd_seq_addr_t addr; /**< address */
276 snd_seq_connect_t connect; /**< connect information */
277 snd_seq_result_t result; /**< operation result code */
278 } data; /**< event data... */
279 } snd_seq_event_t;
280
281 #endif /* __ALSA_SEQ_EVENT_COMPAT_H */
282