ALSA project - the C library reference
seq_event.h
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1 
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25  *
26  */
27 
28 #ifndef __ALSA_SEQ_EVENT_H
29 #define __ALSA_SEQ_EVENT_H
30 
41 typedef unsigned char snd_seq_event_type_t;
42 
49 
58 
73 
84 
105 
112 
117 
130 
135 
156 
171 
174 };
175 
176 
178 typedef struct snd_seq_addr {
179  unsigned char client;
180  unsigned char port;
181 } snd_seq_addr_t;
182 
184 typedef struct snd_seq_connect {
185  snd_seq_addr_t sender;
186  snd_seq_addr_t dest;
187 } snd_seq_connect_t;
188 
189 
191 typedef struct snd_seq_real_time {
192  unsigned int tv_sec;
193  unsigned int tv_nsec;
194 } snd_seq_real_time_t;
195 
197 typedef unsigned int snd_seq_tick_time_t;
198 
200 typedef union snd_seq_timestamp {
203 } snd_seq_timestamp_t;
204 
205 
211 #define SND_SEQ_TIME_STAMP_TICK (0<<0)
212 #define SND_SEQ_TIME_STAMP_REAL (1<<0)
213 #define SND_SEQ_TIME_STAMP_MASK (1<<0)
215 #define SND_SEQ_TIME_MODE_ABS (0<<1)
216 #define SND_SEQ_TIME_MODE_REL (1<<1)
217 #define SND_SEQ_TIME_MODE_MASK (1<<1)
219 #define SND_SEQ_EVENT_LENGTH_FIXED (0<<2)
220 #define SND_SEQ_EVENT_LENGTH_VARIABLE (1<<2)
221 #define SND_SEQ_EVENT_LENGTH_VARUSR (2<<2)
222 #define SND_SEQ_EVENT_LENGTH_MASK (3<<2)
224 #define SND_SEQ_PRIORITY_NORMAL (0<<4)
225 #define SND_SEQ_PRIORITY_HIGH (1<<4)
226 #define SND_SEQ_PRIORITY_MASK (1<<4)
230 typedef struct snd_seq_ev_note {
231  unsigned char channel;
232  unsigned char note;
233  unsigned char velocity;
234  unsigned char off_velocity;
235  unsigned int duration;
236 } snd_seq_ev_note_t;
237 
239 typedef struct snd_seq_ev_ctrl {
240  unsigned char channel;
241  unsigned char unused[3];
242  unsigned int param;
243  signed int value;
244 } snd_seq_ev_ctrl_t;
245 
247 typedef struct snd_seq_ev_raw8 {
248  unsigned char d[12];
249 } snd_seq_ev_raw8_t;
250 
252 typedef struct snd_seq_ev_raw32 {
253  unsigned int d[3];
254 } snd_seq_ev_raw32_t;
255 
258  unsigned int len;
259  void *ptr;
260 } __attribute__((packed));
262 typedef struct snd_seq_ev_ext snd_seq_ev_ext_t;
263 #ifdef DOC_HIDDEN
264 /* redefine typedef for stupid doxygen */
266 #endif
267 
269 typedef struct snd_seq_result {
270  int event;
271  int result;
272 } snd_seq_result_t;
273 
275 typedef struct snd_seq_queue_skew {
276  unsigned int value;
277  unsigned int base;
278 } snd_seq_queue_skew_t;
279 
281 typedef struct snd_seq_ev_queue_control {
282  unsigned char queue;
283  unsigned char unused[3];
284  union {
285  signed int value;
286  snd_seq_timestamp_t time;
287  unsigned int position;
288  snd_seq_queue_skew_t skew;
289  unsigned int d32[2];
290  unsigned char d8[8];
291  } param;
292 } snd_seq_ev_queue_control_t;
293 
294 
296 typedef struct snd_seq_event {
298  unsigned char flags;
299  unsigned char tag;
301  unsigned char queue;
302  snd_seq_timestamp_t time;
304  snd_seq_addr_t source;
305  snd_seq_addr_t dest;
307  union {
308  snd_seq_ev_note_t note;
309  snd_seq_ev_ctrl_t control;
310  snd_seq_ev_raw8_t raw8;
311  snd_seq_ev_raw32_t raw32;
313  snd_seq_ev_queue_control_t queue;
314  snd_seq_timestamp_t time;
315  snd_seq_addr_t addr;
316  snd_seq_connect_t connect;
317  snd_seq_result_t result;
318  } data;
319 } snd_seq_event_t;
320 
321 
324 #endif /* __ALSA_SEQ_EVENT_H */
325 
snd_seq_ev_note::channel
unsigned char channel
Definition: seq_event.h:231
SND_SEQ_EVENT_USR7
@ SND_SEQ_EVENT_USR7
Definition: seq_event.h:151
SND_SEQ_EVENT_TIMESIGN
@ SND_SEQ_EVENT_TIMESIGN
Definition: seq_event.h:81
SND_SEQ_EVENT_REGPARAM
@ SND_SEQ_EVENT_REGPARAM
Definition: seq_event.h:72
snd_seq_event
Definition: seq_event.h:296
snd_seq_addr::client
unsigned char client
Definition: seq_event.h:179
snd_seq_ev_ext::ptr
void * ptr
Definition: seq_event.h:259
SND_SEQ_EVENT_SONGPOS
@ SND_SEQ_EVENT_SONGPOS
Definition: seq_event.h:75
snd_seq_addr
Definition: seq_event.h:178
snd_seq_event::connect
snd_seq_connect_t connect
Definition: seq_event.h:316
snd_seq_event::dest
snd_seq_addr_t dest
Definition: seq_event.h:305
snd_seq_addr::port
unsigned char port
Definition: seq_event.h:180
SND_SEQ_EVENT_NOTEOFF
@ SND_SEQ_EVENT_NOTEOFF
Definition: seq_event.h:55
snd_seq_event::type
snd_seq_event_type_t type
Definition: seq_event.h:297
snd_seq_event::tag
unsigned char tag
Definition: seq_event.h:299
snd_seq_event::flags
unsigned char flags
Definition: seq_event.h:298
SND_SEQ_EVENT_PORT_EXIT
@ SND_SEQ_EVENT_PORT_EXIT
Definition: seq_event.h:127
SND_SEQ_EVENT_TEMPO
@ SND_SEQ_EVENT_TEMPO
Definition: seq_event.h:96
snd_seq_connect
Definition: seq_event.h:184
SND_SEQ_EVENT_USR_VAR3
@ SND_SEQ_EVENT_USR_VAR3
Definition: seq_event.h:168
SND_SEQ_EVENT_BOUNCE
@ SND_SEQ_EVENT_BOUNCE
Definition: seq_event.h:160
SND_SEQ_EVENT_USR_VAR4
@ SND_SEQ_EVENT_USR_VAR4
Definition: seq_event.h:170
SND_SEQ_EVENT_SONGSEL
@ SND_SEQ_EVENT_SONGSEL
Definition: seq_event.h:77
snd_seq_event::ext
snd_seq_ev_ext_t ext
Definition: seq_event.h:312
snd_seq_ev_queue_control::queue
unsigned char queue
Definition: seq_event.h:282
SND_SEQ_EVENT_KEYPRESS
@ SND_SEQ_EVENT_KEYPRESS
Definition: seq_event.h:57
snd_seq_queue_skew::value
unsigned int value
Definition: seq_event.h:276
snd_seq_queue_skew::base
unsigned int base
Definition: seq_event.h:277
snd_seq_ev_ext::len
unsigned int len
Definition: seq_event.h:258
SND_SEQ_EVENT_CHANPRESS
@ SND_SEQ_EVENT_CHANPRESS
Definition: seq_event.h:64
snd_seq_event::result
snd_seq_result_t result
Definition: seq_event.h:317
snd_seq_tick_time_t
unsigned int snd_seq_tick_time_t
Definition: seq_event.h:197
SND_SEQ_EVENT_PITCHBEND
@ SND_SEQ_EVENT_PITCHBEND
Definition: seq_event.h:66
snd_seq_event::source
snd_seq_addr_t source
Definition: seq_event.h:304
SND_SEQ_EVENT_USR8
@ SND_SEQ_EVENT_USR8
Definition: seq_event.h:153
snd_seq_real_time::tv_sec
unsigned int tv_sec
Definition: seq_event.h:192
snd_seq_ev_ctrl::unused
unsigned char unused[3]
Definition: seq_event.h:241
SND_SEQ_EVENT_USR6
@ SND_SEQ_EVENT_USR6
Definition: seq_event.h:149
snd_seq_ev_note::duration
unsigned int duration
Definition: seq_event.h:235
SND_SEQ_EVENT_STOP
@ SND_SEQ_EVENT_STOP
Definition: seq_event.h:90
snd_seq_real_time::tv_nsec
unsigned int tv_nsec
Definition: seq_event.h:193
SND_SEQ_EVENT_QUEUE_SKEW
@ SND_SEQ_EVENT_QUEUE_SKEW
Definition: seq_event.h:102
snd_seq_event::addr
snd_seq_addr_t addr
Definition: seq_event.h:315
snd_seq_ev_queue_control
Definition: seq_event.h:281
snd_seq_ev_queue_control::d8
unsigned char d8[8]
Definition: seq_event.h:290
snd_seq_ev_raw8::d
unsigned char d[12]
Definition: seq_event.h:248
SND_SEQ_EVENT_PORT_UNSUBSCRIBED
@ SND_SEQ_EVENT_PORT_UNSUBSCRIBED
Definition: seq_event.h:134
snd_seq_ev_ctrl::param
unsigned int param
Definition: seq_event.h:242
SND_SEQ_EVENT_CLIENT_CHANGE
@ SND_SEQ_EVENT_CLIENT_CHANGE
Definition: seq_event.h:123
SND_SEQ_EVENT_SENSING
@ SND_SEQ_EVENT_SENSING
Definition: seq_event.h:111
snd_seq_timestamp::time
struct snd_seq_real_time time
Definition: seq_event.h:202
snd_seq_event::raw32
snd_seq_ev_raw32_t raw32
Definition: seq_event.h:311
snd_seq_result::result
int result
Definition: seq_event.h:271
snd_seq_queue_skew
Definition: seq_event.h:275
SND_SEQ_EVENT_NONREGPARAM
@ SND_SEQ_EVENT_NONREGPARAM
Definition: seq_event.h:70
SND_SEQ_EVENT_USR3
@ SND_SEQ_EVENT_USR3
Definition: seq_event.h:143
snd_seq_ev_ctrl::channel
unsigned char channel
Definition: seq_event.h:240
SND_SEQ_EVENT_QFRAME
@ SND_SEQ_EVENT_QFRAME
Definition: seq_event.h:79
snd_seq_ev_queue_control::value
signed int value
Definition: seq_event.h:285
SND_SEQ_EVENT_CONTROLLER
@ SND_SEQ_EVENT_CONTROLLER
Definition: seq_event.h:60
snd_seq_event::note
snd_seq_ev_note_t note
Definition: seq_event.h:308
SND_SEQ_EVENT_CLOCK
@ SND_SEQ_EVENT_CLOCK
Definition: seq_event.h:98
snd_seq_ev_queue_control::skew
snd_seq_queue_skew_t skew
Definition: seq_event.h:288
SND_SEQ_EVENT_ECHO
@ SND_SEQ_EVENT_ECHO
Definition: seq_event.h:114
snd_seq_result
Definition: seq_event.h:269
SND_SEQ_EVENT_NONE
@ SND_SEQ_EVENT_NONE
Definition: seq_event.h:173
SND_SEQ_EVENT_PORT_SUBSCRIBED
@ SND_SEQ_EVENT_PORT_SUBSCRIBED
Definition: seq_event.h:132
snd_seq_timestamp::tick
snd_seq_tick_time_t tick
Definition: seq_event.h:201
snd_seq_event::queue
snd_seq_ev_queue_control_t queue
Definition: seq_event.h:313
SND_SEQ_EVENT_USR4
@ SND_SEQ_EVENT_USR4
Definition: seq_event.h:145
snd_seq_event::control
snd_seq_ev_ctrl_t control
Definition: seq_event.h:309
snd_seq_result::event
int event
Definition: seq_event.h:270
snd_seq_connect::sender
snd_seq_addr_t sender
Definition: seq_event.h:185
SND_SEQ_EVENT_PGMCHANGE
@ SND_SEQ_EVENT_PGMCHANGE
Definition: seq_event.h:62
snd_seq_event::raw8
snd_seq_ev_raw8_t raw8
Definition: seq_event.h:310
snd_seq_ev_raw32::d
unsigned int d[3]
Definition: seq_event.h:253
SND_SEQ_EVENT_TUNE_REQUEST
@ SND_SEQ_EVENT_TUNE_REQUEST
Definition: seq_event.h:107
SND_SEQ_EVENT_SYSEX
@ SND_SEQ_EVENT_SYSEX
Definition: seq_event.h:158
SND_SEQ_EVENT_SETPOS_TICK
@ SND_SEQ_EVENT_SETPOS_TICK
Definition: seq_event.h:92
SND_SEQ_EVENT_USR_VAR1
@ SND_SEQ_EVENT_USR_VAR1
Definition: seq_event.h:164
snd_seq_event::queue
unsigned char queue
Definition: seq_event.h:301
SND_SEQ_EVENT_PORT_START
@ SND_SEQ_EVENT_PORT_START
Definition: seq_event.h:125
SND_SEQ_EVENT_USR1
@ SND_SEQ_EVENT_USR1
Definition: seq_event.h:139
snd_seq_ev_note::note
unsigned char note
Definition: seq_event.h:232
SND_SEQ_EVENT_SYNC_POS
@ SND_SEQ_EVENT_SYNC_POS
Definition: seq_event.h:104
SND_SEQ_EVENT_CONTINUE
@ SND_SEQ_EVENT_CONTINUE
Definition: seq_event.h:88
snd_seq_ev_note::velocity
unsigned char velocity
Definition: seq_event.h:233
SND_SEQ_EVENT_SYSTEM
@ SND_SEQ_EVENT_SYSTEM
Definition: seq_event.h:46
snd_seq_timestamp
Definition: seq_event.h:200
snd_seq_ev_ctrl::value
signed int value
Definition: seq_event.h:243
snd_seq_ev_queue_control::position
unsigned int position
Definition: seq_event.h:287
SND_SEQ_EVENT_USR9
@ SND_SEQ_EVENT_USR9
Definition: seq_event.h:155
SND_SEQ_EVENT_TICK
@ SND_SEQ_EVENT_TICK
Definition: seq_event.h:100
SND_SEQ_EVENT_USR5
@ SND_SEQ_EVENT_USR5
Definition: seq_event.h:147
snd_seq_ev_queue_control::time
snd_seq_timestamp_t time
Definition: seq_event.h:286
snd_seq_ev_ext_t
snd_seq_ev_ext snd_seq_ev_ext_t
Definition: seq_event.h:265
SND_SEQ_EVENT_OSS
@ SND_SEQ_EVENT_OSS
Definition: seq_event.h:116
snd_seq_ev_queue_control::unused
unsigned char unused[3]
Definition: seq_event.h:283
snd_seq_event::data
union snd_seq_event::@4 data
SND_SEQ_EVENT_PORT_CHANGE
@ SND_SEQ_EVENT_PORT_CHANGE
Definition: seq_event.h:129
SND_SEQ_EVENT_NOTE
@ SND_SEQ_EVENT_NOTE
Definition: seq_event.h:51
SND_SEQ_EVENT_CLIENT_START
@ SND_SEQ_EVENT_CLIENT_START
Definition: seq_event.h:119
snd_seq_event_type
snd_seq_event_type
Definition: seq_event.h:44
snd_seq_event::time
snd_seq_timestamp_t time
Definition: seq_event.h:302
SND_SEQ_EVENT_USR_VAR2
@ SND_SEQ_EVENT_USR_VAR2
Definition: seq_event.h:166
SND_SEQ_EVENT_KEYSIGN
@ SND_SEQ_EVENT_KEYSIGN
Definition: seq_event.h:83
SND_SEQ_EVENT_RESET
@ SND_SEQ_EVENT_RESET
Definition: seq_event.h:109
SND_SEQ_EVENT_USR_VAR0
@ SND_SEQ_EVENT_USR_VAR0
Definition: seq_event.h:162
SND_SEQ_EVENT_CONTROL14
@ SND_SEQ_EVENT_CONTROL14
Definition: seq_event.h:68
SND_SEQ_EVENT_CLIENT_EXIT
@ SND_SEQ_EVENT_CLIENT_EXIT
Definition: seq_event.h:121
snd_seq_ev_ext
Definition: seq_event.h:257
snd_seq_event_type_t
unsigned char snd_seq_event_type_t
Definition: seq_event.h:41
SND_SEQ_EVENT_USR2
@ SND_SEQ_EVENT_USR2
Definition: seq_event.h:141
snd_seq_ev_note::off_velocity
unsigned char off_velocity
Definition: seq_event.h:234
SND_SEQ_EVENT_NOTEON
@ SND_SEQ_EVENT_NOTEON
Definition: seq_event.h:53
SND_SEQ_EVENT_SETPOS_TIME
@ SND_SEQ_EVENT_SETPOS_TIME
Definition: seq_event.h:94
SND_SEQ_EVENT_RESULT
@ SND_SEQ_EVENT_RESULT
Definition: seq_event.h:48
snd_seq_real_time
Definition: seq_event.h:191
snd_seq_ev_raw8
Definition: seq_event.h:247
snd_seq_ev_ctrl
Definition: seq_event.h:239
snd_seq_connect::dest
snd_seq_addr_t dest
Definition: seq_event.h:186
SND_SEQ_EVENT_START
@ SND_SEQ_EVENT_START
Definition: seq_event.h:86
snd_seq_ev_queue_control::param
union snd_seq_ev_queue_control::@3 param
snd_seq_ev_raw32
Definition: seq_event.h:252
SND_SEQ_EVENT_USR0
@ SND_SEQ_EVENT_USR0
Definition: seq_event.h:137
snd_seq_ev_queue_control::d32
unsigned int d32[2]
Definition: seq_event.h:289