Chris@0
|
1 /* DSSI ALSA compatibility library
|
Chris@0
|
2 *
|
Chris@0
|
3 * This library provides for Mac OS X the ALSA snd_seq_event_t handling
|
Chris@0
|
4 * necessary to compile and run DSSI. It was extracted from alsa-lib 1.0.8.
|
Chris@0
|
5 */
|
Chris@0
|
6
|
Chris@0
|
7 /**
|
Chris@0
|
8 * \file <alsa/seq_event.h>
|
Chris@0
|
9 * \brief Application interface library for the ALSA driver
|
Chris@0
|
10 * \author Jaroslav Kysela <perex@suse.cz>
|
Chris@0
|
11 * \author Abramo Bagnara <abramo@alsa-project.org>
|
Chris@0
|
12 * \author Takashi Iwai <tiwai@suse.de>
|
Chris@0
|
13 * \date 1998-2001
|
Chris@0
|
14 *
|
Chris@0
|
15 * Application interface library for the ALSA driver
|
Chris@0
|
16 *
|
Chris@0
|
17 *
|
Chris@0
|
18 * This library is free software; you can redistribute it and/or modify
|
Chris@0
|
19 * it under the terms of the GNU Lesser General Public License as
|
Chris@0
|
20 * published by the Free Software Foundation; either version 2.1 of
|
Chris@0
|
21 * the License, or (at your option) any later version.
|
Chris@0
|
22 *
|
Chris@0
|
23 * This program is distributed in the hope that it will be useful,
|
Chris@0
|
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
Chris@0
|
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
Chris@0
|
26 * GNU Lesser General Public License for more details.
|
Chris@0
|
27 *
|
Chris@0
|
28 * You should have received a copy of the GNU Lesser General Public
|
Chris@0
|
29 * License along with this library; if not, write to the Free Software
|
Chris@0
|
30 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
Chris@0
|
31 *
|
Chris@0
|
32 */
|
Chris@0
|
33
|
Chris@0
|
34 #ifndef __ALSA_SEQ_EVENT_H
|
Chris@0
|
35 #define __ALSA_SEQ_EVENT_H
|
Chris@0
|
36
|
Chris@0
|
37 /**
|
Chris@0
|
38 * \defgroup SeqEvents Sequencer Event Definitions
|
Chris@0
|
39 * Sequencer Event Definitions
|
Chris@0
|
40 * \ingroup Sequencer
|
Chris@0
|
41 * \{
|
Chris@0
|
42 */
|
Chris@0
|
43
|
Chris@0
|
44 /**
|
Chris@0
|
45 * Sequencer event data type
|
Chris@0
|
46 */
|
Chris@0
|
47 typedef unsigned char snd_seq_event_type_t;
|
Chris@0
|
48
|
Chris@0
|
49 /** Sequencer event type */
|
Chris@0
|
50 enum snd_seq_event_type {
|
Chris@0
|
51 /** system status; event data type = #snd_seq_result_t */
|
Chris@0
|
52 SND_SEQ_EVENT_SYSTEM = 0,
|
Chris@0
|
53 /** returned result status; event data type = #snd_seq_result_t */
|
Chris@0
|
54 SND_SEQ_EVENT_RESULT,
|
Chris@0
|
55
|
Chris@0
|
56 /** note on and off with duration; event data type = #snd_seq_ev_note_t */
|
Chris@0
|
57 SND_SEQ_EVENT_NOTE = 5,
|
Chris@0
|
58 /** note on; event data type = #snd_seq_ev_note_t */
|
Chris@0
|
59 SND_SEQ_EVENT_NOTEON,
|
Chris@0
|
60 /** note off; event data type = #snd_seq_ev_note_t */
|
Chris@0
|
61 SND_SEQ_EVENT_NOTEOFF,
|
Chris@0
|
62 /** key pressure change (aftertouch); event data type = #snd_seq_ev_note_t */
|
Chris@0
|
63 SND_SEQ_EVENT_KEYPRESS,
|
Chris@0
|
64
|
Chris@0
|
65 /** controller; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
66 SND_SEQ_EVENT_CONTROLLER = 10,
|
Chris@0
|
67 /** program change; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
68 SND_SEQ_EVENT_PGMCHANGE,
|
Chris@0
|
69 /** channel pressure; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
70 SND_SEQ_EVENT_CHANPRESS,
|
Chris@0
|
71 /** pitchwheel; event data type = #snd_seq_ev_ctrl_t; data is from -8192 to 8191) */
|
Chris@0
|
72 SND_SEQ_EVENT_PITCHBEND,
|
Chris@0
|
73 /** 14 bit controller value; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
74 SND_SEQ_EVENT_CONTROL14,
|
Chris@0
|
75 /** 14 bit NRPN; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
76 SND_SEQ_EVENT_NONREGPARAM,
|
Chris@0
|
77 /** 14 bit RPN; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
78 SND_SEQ_EVENT_REGPARAM,
|
Chris@0
|
79
|
Chris@0
|
80 /** SPP with LSB and MSB values; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
81 SND_SEQ_EVENT_SONGPOS = 20,
|
Chris@0
|
82 /** Song Select with song ID number; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
83 SND_SEQ_EVENT_SONGSEL,
|
Chris@0
|
84 /** midi time code quarter frame; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
85 SND_SEQ_EVENT_QFRAME,
|
Chris@0
|
86 /** SMF Time Signature event; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
87 SND_SEQ_EVENT_TIMESIGN,
|
Chris@0
|
88 /** SMF Key Signature event; event data type = #snd_seq_ev_ctrl_t */
|
Chris@0
|
89 SND_SEQ_EVENT_KEYSIGN,
|
Chris@0
|
90
|
Chris@0
|
91 /** MIDI Real Time Start message; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
92 SND_SEQ_EVENT_START = 30,
|
Chris@0
|
93 /** MIDI Real Time Continue message; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
94 SND_SEQ_EVENT_CONTINUE,
|
Chris@0
|
95 /** MIDI Real Time Stop message; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
96 SND_SEQ_EVENT_STOP,
|
Chris@0
|
97 /** Set tick queue position; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
98 SND_SEQ_EVENT_SETPOS_TICK,
|
Chris@0
|
99 /** Set real-time queue position; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
100 SND_SEQ_EVENT_SETPOS_TIME,
|
Chris@0
|
101 /** (SMF) Tempo event; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
102 SND_SEQ_EVENT_TEMPO,
|
Chris@0
|
103 /** MIDI Real Time Clock message; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
104 SND_SEQ_EVENT_CLOCK,
|
Chris@0
|
105 /** MIDI Real Time Tick message; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
106 SND_SEQ_EVENT_TICK,
|
Chris@0
|
107 /** Queue timer skew; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
108 SND_SEQ_EVENT_QUEUE_SKEW,
|
Chris@0
|
109 /** Sync position changed; event data type = #snd_seq_ev_queue_control_t */
|
Chris@0
|
110 SND_SEQ_EVENT_SYNC_POS,
|
Chris@0
|
111
|
Chris@0
|
112 /** Tune request; event data type = none */
|
Chris@0
|
113 SND_SEQ_EVENT_TUNE_REQUEST = 40,
|
Chris@0
|
114 /** Reset to power-on state; event data type = none */
|
Chris@0
|
115 SND_SEQ_EVENT_RESET,
|
Chris@0
|
116 /** Active sensing event; event data type = none */
|
Chris@0
|
117 SND_SEQ_EVENT_SENSING,
|
Chris@0
|
118
|
Chris@0
|
119 /** Echo-back event; event data type = any type */
|
Chris@0
|
120 SND_SEQ_EVENT_ECHO = 50,
|
Chris@0
|
121 /** OSS emulation raw event; event data type = any type */
|
Chris@0
|
122 SND_SEQ_EVENT_OSS,
|
Chris@0
|
123
|
Chris@0
|
124 /** New client has connected; event data type = #snd_seq_addr_t */
|
Chris@0
|
125 SND_SEQ_EVENT_CLIENT_START = 60,
|
Chris@0
|
126 /** Client has left the system; event data type = #snd_seq_addr_t */
|
Chris@0
|
127 SND_SEQ_EVENT_CLIENT_EXIT,
|
Chris@0
|
128 /** Client status/info has changed; event data type = #snd_seq_addr_t */
|
Chris@0
|
129 SND_SEQ_EVENT_CLIENT_CHANGE,
|
Chris@0
|
130 /** New port was created; event data type = #snd_seq_addr_t */
|
Chris@0
|
131 SND_SEQ_EVENT_PORT_START,
|
Chris@0
|
132 /** Port was deleted from system; event data type = #snd_seq_addr_t */
|
Chris@0
|
133 SND_SEQ_EVENT_PORT_EXIT,
|
Chris@0
|
134 /** Port status/info has changed; event data type = #snd_seq_addr_t */
|
Chris@0
|
135 SND_SEQ_EVENT_PORT_CHANGE,
|
Chris@0
|
136
|
Chris@0
|
137 /** Ports connected; event data type = #snd_seq_connect_t */
|
Chris@0
|
138 SND_SEQ_EVENT_PORT_SUBSCRIBED,
|
Chris@0
|
139 /** Ports disconnected; event data type = #snd_seq_connect_t */
|
Chris@0
|
140 SND_SEQ_EVENT_PORT_UNSUBSCRIBED,
|
Chris@0
|
141
|
Chris@0
|
142 /** Sample select; event data type = #snd_seq_ev_sample_control_t */
|
Chris@0
|
143 SND_SEQ_EVENT_SAMPLE = 70,
|
Chris@0
|
144 /** Sample cluster select; event data type = #snd_seq_ev_sample_control_t */
|
Chris@0
|
145 SND_SEQ_EVENT_SAMPLE_CLUSTER,
|
Chris@0
|
146 /** voice start */
|
Chris@0
|
147 SND_SEQ_EVENT_SAMPLE_START,
|
Chris@0
|
148 /** voice stop */
|
Chris@0
|
149 SND_SEQ_EVENT_SAMPLE_STOP,
|
Chris@0
|
150 /** playback frequency */
|
Chris@0
|
151 SND_SEQ_EVENT_SAMPLE_FREQ,
|
Chris@0
|
152 /** volume and balance */
|
Chris@0
|
153 SND_SEQ_EVENT_SAMPLE_VOLUME,
|
Chris@0
|
154 /** sample loop */
|
Chris@0
|
155 SND_SEQ_EVENT_SAMPLE_LOOP,
|
Chris@0
|
156 /** sample position */
|
Chris@0
|
157 SND_SEQ_EVENT_SAMPLE_POSITION,
|
Chris@0
|
158 /** private (hardware dependent) event */
|
Chris@0
|
159 SND_SEQ_EVENT_SAMPLE_PRIVATE1,
|
Chris@0
|
160
|
Chris@0
|
161 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
162 SND_SEQ_EVENT_USR0 = 90,
|
Chris@0
|
163 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
164 SND_SEQ_EVENT_USR1,
|
Chris@0
|
165 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
166 SND_SEQ_EVENT_USR2,
|
Chris@0
|
167 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
168 SND_SEQ_EVENT_USR3,
|
Chris@0
|
169 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
170 SND_SEQ_EVENT_USR4,
|
Chris@0
|
171 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
172 SND_SEQ_EVENT_USR5,
|
Chris@0
|
173 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
174 SND_SEQ_EVENT_USR6,
|
Chris@0
|
175 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
176 SND_SEQ_EVENT_USR7,
|
Chris@0
|
177 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
178 SND_SEQ_EVENT_USR8,
|
Chris@0
|
179 /** user-defined event; event data type = any (fixed size) */
|
Chris@0
|
180 SND_SEQ_EVENT_USR9,
|
Chris@0
|
181
|
Chris@0
|
182 /** begin of instrument management */
|
Chris@0
|
183 SND_SEQ_EVENT_INSTR_BEGIN = 100,
|
Chris@0
|
184 /** end of instrument management */
|
Chris@0
|
185 SND_SEQ_EVENT_INSTR_END,
|
Chris@0
|
186 /** query instrument interface info */
|
Chris@0
|
187 SND_SEQ_EVENT_INSTR_INFO,
|
Chris@0
|
188 /** result of instrument interface info */
|
Chris@0
|
189 SND_SEQ_EVENT_INSTR_INFO_RESULT,
|
Chris@0
|
190 /** query instrument format info */
|
Chris@0
|
191 SND_SEQ_EVENT_INSTR_FINFO,
|
Chris@0
|
192 /** result of instrument format info */
|
Chris@0
|
193 SND_SEQ_EVENT_INSTR_FINFO_RESULT,
|
Chris@0
|
194 /** reset instrument instrument memory */
|
Chris@0
|
195 SND_SEQ_EVENT_INSTR_RESET,
|
Chris@0
|
196 /** get instrument interface status */
|
Chris@0
|
197 SND_SEQ_EVENT_INSTR_STATUS,
|
Chris@0
|
198 /** result of instrument interface status */
|
Chris@0
|
199 SND_SEQ_EVENT_INSTR_STATUS_RESULT,
|
Chris@0
|
200 /** put an instrument to port */
|
Chris@0
|
201 SND_SEQ_EVENT_INSTR_PUT,
|
Chris@0
|
202 /** get an instrument from port */
|
Chris@0
|
203 SND_SEQ_EVENT_INSTR_GET,
|
Chris@0
|
204 /** result of instrument query */
|
Chris@0
|
205 SND_SEQ_EVENT_INSTR_GET_RESULT,
|
Chris@0
|
206 /** free instrument(s) */
|
Chris@0
|
207 SND_SEQ_EVENT_INSTR_FREE,
|
Chris@0
|
208 /** get instrument list */
|
Chris@0
|
209 SND_SEQ_EVENT_INSTR_LIST,
|
Chris@0
|
210 /** result of instrument list */
|
Chris@0
|
211 SND_SEQ_EVENT_INSTR_LIST_RESULT,
|
Chris@0
|
212 /** set cluster parameters */
|
Chris@0
|
213 SND_SEQ_EVENT_INSTR_CLUSTER,
|
Chris@0
|
214 /** get cluster parameters */
|
Chris@0
|
215 SND_SEQ_EVENT_INSTR_CLUSTER_GET,
|
Chris@0
|
216 /** result of cluster parameters */
|
Chris@0
|
217 SND_SEQ_EVENT_INSTR_CLUSTER_RESULT,
|
Chris@0
|
218 /** instrument change */
|
Chris@0
|
219 SND_SEQ_EVENT_INSTR_CHANGE,
|
Chris@0
|
220
|
Chris@0
|
221 /** system exclusive data (variable length); event data type = #snd_seq_ev_ext_t */
|
Chris@0
|
222 SND_SEQ_EVENT_SYSEX = 130,
|
Chris@0
|
223 /** error event; event data type = #snd_seq_ev_ext_t */
|
Chris@0
|
224 SND_SEQ_EVENT_BOUNCE,
|
Chris@0
|
225 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
|
Chris@0
|
226 SND_SEQ_EVENT_USR_VAR0 = 135,
|
Chris@0
|
227 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
|
Chris@0
|
228 SND_SEQ_EVENT_USR_VAR1,
|
Chris@0
|
229 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
|
Chris@0
|
230 SND_SEQ_EVENT_USR_VAR2,
|
Chris@0
|
231 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
|
Chris@0
|
232 SND_SEQ_EVENT_USR_VAR3,
|
Chris@0
|
233 /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
|
Chris@0
|
234 SND_SEQ_EVENT_USR_VAR4,
|
Chris@0
|
235
|
Chris@0
|
236 /** NOP; ignored in any case */
|
Chris@0
|
237 SND_SEQ_EVENT_NONE = 255
|
Chris@0
|
238 };
|
Chris@0
|
239
|
Chris@0
|
240
|
Chris@0
|
241 /** Sequencer event address */
|
Chris@0
|
242 typedef struct snd_seq_addr {
|
Chris@0
|
243 unsigned char client; /**< Client id */
|
Chris@0
|
244 unsigned char port; /**< Port id */
|
Chris@0
|
245 } snd_seq_addr_t;
|
Chris@0
|
246
|
Chris@0
|
247 /** Connection (subscription) between ports */
|
Chris@0
|
248 typedef struct snd_seq_connect {
|
Chris@0
|
249 snd_seq_addr_t sender; /**< sender address */
|
Chris@0
|
250 snd_seq_addr_t dest; /**< destination address */
|
Chris@0
|
251 } snd_seq_connect_t;
|
Chris@0
|
252
|
Chris@0
|
253
|
Chris@0
|
254 /** Real-time data record */
|
Chris@0
|
255 typedef struct snd_seq_real_time {
|
Chris@0
|
256 unsigned int tv_sec; /**< seconds */
|
Chris@0
|
257 unsigned int tv_nsec; /**< nanoseconds */
|
Chris@0
|
258 } snd_seq_real_time_t;
|
Chris@0
|
259
|
Chris@0
|
260 /** (MIDI) Tick-time data record */
|
Chris@0
|
261 typedef unsigned int snd_seq_tick_time_t;
|
Chris@0
|
262
|
Chris@0
|
263 /** unioned time stamp */
|
Chris@0
|
264 typedef union snd_seq_timestamp {
|
Chris@0
|
265 snd_seq_tick_time_t tick; /**< tick-time */
|
Chris@0
|
266 struct snd_seq_real_time time; /**< real-time */
|
Chris@0
|
267 } snd_seq_timestamp_t;
|
Chris@0
|
268
|
Chris@0
|
269
|
Chris@0
|
270 /**
|
Chris@0
|
271 * Event mode flags
|
Chris@0
|
272 *
|
Chris@0
|
273 * NOTE: only 8 bits available!
|
Chris@0
|
274 */
|
Chris@0
|
275 #define SND_SEQ_TIME_STAMP_TICK (0<<0) /**< timestamp in clock ticks */
|
Chris@0
|
276 #define SND_SEQ_TIME_STAMP_REAL (1<<0) /**< timestamp in real time */
|
Chris@0
|
277 #define SND_SEQ_TIME_STAMP_MASK (1<<0) /**< mask for timestamp bits */
|
Chris@0
|
278
|
Chris@0
|
279 #define SND_SEQ_TIME_MODE_ABS (0<<1) /**< absolute timestamp */
|
Chris@0
|
280 #define SND_SEQ_TIME_MODE_REL (1<<1) /**< relative to current time */
|
Chris@0
|
281 #define SND_SEQ_TIME_MODE_MASK (1<<1) /**< mask for time mode bits */
|
Chris@0
|
282
|
Chris@0
|
283 #define SND_SEQ_EVENT_LENGTH_FIXED (0<<2) /**< fixed event size */
|
Chris@0
|
284 #define SND_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /**< variable event size */
|
Chris@0
|
285 #define SND_SEQ_EVENT_LENGTH_VARUSR (2<<2) /**< variable event size - user memory space */
|
Chris@0
|
286 #define SND_SEQ_EVENT_LENGTH_MASK (3<<2) /**< mask for event length bits */
|
Chris@0
|
287
|
Chris@0
|
288 #define SND_SEQ_PRIORITY_NORMAL (0<<4) /**< normal priority */
|
Chris@0
|
289 #define SND_SEQ_PRIORITY_HIGH (1<<4) /**< event should be processed before others */
|
Chris@0
|
290 #define SND_SEQ_PRIORITY_MASK (1<<4) /**< mask for priority bits */
|
Chris@0
|
291
|
Chris@0
|
292
|
Chris@0
|
293 /** Note event */
|
Chris@0
|
294 typedef struct snd_seq_ev_note {
|
Chris@0
|
295 unsigned char channel; /**< channel number */
|
Chris@0
|
296 unsigned char note; /**< note */
|
Chris@0
|
297 unsigned char velocity; /**< velocity */
|
Chris@0
|
298 unsigned char off_velocity; /**< note-off velocity; only for #SND_SEQ_EVENT_NOTE */
|
Chris@0
|
299 unsigned int duration; /**< duration until note-off; only for #SND_SEQ_EVENT_NOTE */
|
Chris@0
|
300 } snd_seq_ev_note_t;
|
Chris@0
|
301
|
Chris@0
|
302 /** Controller event */
|
Chris@0
|
303 typedef struct snd_seq_ev_ctrl {
|
Chris@0
|
304 unsigned char channel; /**< channel number */
|
Chris@0
|
305 unsigned char unused[3]; /**< reserved */
|
Chris@0
|
306 unsigned int param; /**< control parameter */
|
Chris@0
|
307 signed int value; /**< control value */
|
Chris@0
|
308 } snd_seq_ev_ctrl_t;
|
Chris@0
|
309
|
Chris@0
|
310 /** generic set of bytes (12x8 bit) */
|
Chris@0
|
311 typedef struct snd_seq_ev_raw8 {
|
Chris@0
|
312 unsigned char d[12]; /**< 8 bit value */
|
Chris@0
|
313 } snd_seq_ev_raw8_t;
|
Chris@0
|
314
|
Chris@0
|
315 /** generic set of integers (3x32 bit) */
|
Chris@0
|
316 typedef struct snd_seq_ev_raw32 {
|
Chris@0
|
317 unsigned int d[3]; /**< 32 bit value */
|
Chris@0
|
318 } snd_seq_ev_raw32_t;
|
Chris@0
|
319
|
Chris@0
|
320 /** external stored data */
|
Chris@0
|
321 typedef struct snd_seq_ev_ext {
|
Chris@0
|
322 unsigned int len; /**< length of data */
|
Chris@0
|
323 void *ptr; /**< pointer to data (note: can be 64-bit) */
|
Chris@1218
|
324 }
|
Chris@1218
|
325 #ifdef __GNUC__
|
Chris@1218
|
326 __attribute__((packed))
|
Chris@1218
|
327 #endif
|
Chris@1218
|
328 snd_seq_ev_ext_t;
|
Chris@0
|
329
|
Chris@0
|
330 /** Instrument cluster type */
|
Chris@0
|
331 typedef unsigned int snd_seq_instr_cluster_t;
|
Chris@0
|
332
|
Chris@0
|
333 /** Instrument type */
|
Chris@0
|
334 typedef struct snd_seq_instr {
|
Chris@0
|
335 snd_seq_instr_cluster_t cluster; /**< cluster id */
|
Chris@0
|
336 unsigned int std; /**< instrument standard id; the upper byte means a private instrument (owner - client id) */
|
Chris@0
|
337 unsigned short bank; /**< instrument bank id */
|
Chris@0
|
338 unsigned short prg; /**< instrument program id */
|
Chris@0
|
339 } snd_seq_instr_t;
|
Chris@0
|
340
|
Chris@0
|
341 /** sample number */
|
Chris@0
|
342 typedef struct snd_seq_ev_sample {
|
Chris@0
|
343 unsigned int std; /**< sample standard id */
|
Chris@0
|
344 unsigned short bank; /**< sample bank id */
|
Chris@0
|
345 unsigned short prg; /**< sample program id */
|
Chris@0
|
346 } snd_seq_ev_sample_t;
|
Chris@0
|
347
|
Chris@0
|
348 /** sample cluster */
|
Chris@0
|
349 typedef struct snd_seq_ev_cluster {
|
Chris@0
|
350 snd_seq_instr_cluster_t cluster; /**< cluster id */
|
Chris@0
|
351 } snd_seq_ev_cluster_t;
|
Chris@0
|
352
|
Chris@0
|
353 /** sample position */
|
Chris@0
|
354 typedef unsigned int snd_seq_position_t; /**< playback position (in samples) * 16 */
|
Chris@0
|
355
|
Chris@0
|
356 /** sample stop mode */
|
Chris@0
|
357 typedef enum snd_seq_stop_mode {
|
Chris@0
|
358 SND_SEQ_SAMPLE_STOP_IMMEDIATELY = 0, /**< terminate playing immediately */
|
Chris@0
|
359 SND_SEQ_SAMPLE_STOP_VENVELOPE = 1, /**< finish volume envelope */
|
Chris@0
|
360 SND_SEQ_SAMPLE_STOP_LOOP = 2 /**< terminate loop and finish wave */
|
Chris@0
|
361 } snd_seq_stop_mode_t;
|
Chris@0
|
362
|
Chris@0
|
363 /** sample frequency */
|
Chris@0
|
364 typedef int snd_seq_frequency_t; /**< playback frequency in HZ * 16 */
|
Chris@0
|
365
|
Chris@0
|
366 /** sample volume control; if any value is set to -1 == do not change */
|
Chris@0
|
367 typedef struct snd_seq_ev_volume {
|
Chris@0
|
368 signed short volume; /**< range: 0-16383 */
|
Chris@0
|
369 signed short lr; /**< left-right balance; range: 0-16383 */
|
Chris@0
|
370 signed short fr; /**< front-rear balance; range: 0-16383 */
|
Chris@0
|
371 signed short du; /**< down-up balance; range: 0-16383 */
|
Chris@0
|
372 } snd_seq_ev_volume_t;
|
Chris@0
|
373
|
Chris@0
|
374 /** simple loop redefinition */
|
Chris@0
|
375 typedef struct snd_seq_ev_loop {
|
Chris@0
|
376 unsigned int start; /**< loop start (in samples) * 16 */
|
Chris@0
|
377 unsigned int end; /**< loop end (in samples) * 16 */
|
Chris@0
|
378 } snd_seq_ev_loop_t;
|
Chris@0
|
379
|
Chris@0
|
380 /** Sample control events */
|
Chris@0
|
381 typedef struct snd_seq_ev_sample_control {
|
Chris@0
|
382 unsigned char channel; /**< channel */
|
Chris@0
|
383 unsigned char unused[3]; /**< reserved */
|
Chris@0
|
384 union {
|
Chris@0
|
385 snd_seq_ev_sample_t sample; /**< sample number */
|
Chris@0
|
386 snd_seq_ev_cluster_t cluster; /**< cluster number */
|
Chris@0
|
387 snd_seq_position_t position; /**< position */
|
Chris@0
|
388 snd_seq_stop_mode_t stop_mode; /**< stop mode */
|
Chris@0
|
389 snd_seq_frequency_t frequency; /**< frequency */
|
Chris@0
|
390 snd_seq_ev_volume_t volume; /**< volume */
|
Chris@0
|
391 snd_seq_ev_loop_t loop; /**< loop control */
|
Chris@0
|
392 unsigned char raw8[8]; /**< raw 8-bit */
|
Chris@0
|
393 } param; /**< control parameters */
|
Chris@0
|
394 } snd_seq_ev_sample_control_t;
|
Chris@0
|
395
|
Chris@0
|
396
|
Chris@0
|
397
|
Chris@0
|
398 /** INSTR_BEGIN event */
|
Chris@0
|
399 typedef struct snd_seq_ev_instr_begin {
|
Chris@0
|
400 int timeout; /**< zero = forever, otherwise timeout in ms */
|
Chris@0
|
401 } snd_seq_ev_instr_begin_t;
|
Chris@0
|
402
|
Chris@0
|
403 /** Result events */
|
Chris@0
|
404 typedef struct snd_seq_result {
|
Chris@0
|
405 int event; /**< processed event type */
|
Chris@0
|
406 int result; /**< status */
|
Chris@0
|
407 } snd_seq_result_t;
|
Chris@0
|
408
|
Chris@0
|
409 /** Queue skew values */
|
Chris@0
|
410 typedef struct snd_seq_queue_skew {
|
Chris@0
|
411 unsigned int value; /**< skew value */
|
Chris@0
|
412 unsigned int base; /**< skew base */
|
Chris@0
|
413 } snd_seq_queue_skew_t;
|
Chris@0
|
414
|
Chris@0
|
415 /** queue timer control */
|
Chris@0
|
416 typedef struct snd_seq_ev_queue_control {
|
Chris@0
|
417 unsigned char queue; /**< affected queue */
|
Chris@0
|
418 unsigned char unused[3]; /**< reserved */
|
Chris@0
|
419 union {
|
Chris@0
|
420 signed int value; /**< affected value (e.g. tempo) */
|
Chris@0
|
421 snd_seq_timestamp_t time; /**< time */
|
Chris@0
|
422 unsigned int position; /**< sync position */
|
Chris@0
|
423 snd_seq_queue_skew_t skew; /**< queue skew */
|
Chris@0
|
424 unsigned int d32[2]; /**< any data */
|
Chris@0
|
425 unsigned char d8[8]; /**< any data */
|
Chris@0
|
426 } param; /**< data value union */
|
Chris@0
|
427 } snd_seq_ev_queue_control_t;
|
Chris@0
|
428
|
Chris@0
|
429
|
Chris@0
|
430 /** Sequencer event */
|
Chris@0
|
431 typedef struct snd_seq_event {
|
Chris@0
|
432 snd_seq_event_type_t type; /**< event type */
|
Chris@0
|
433 unsigned char flags; /**< event flags */
|
Chris@0
|
434 unsigned char tag; /**< tag */
|
Chris@0
|
435
|
Chris@0
|
436 unsigned char queue; /**< schedule queue */
|
Chris@0
|
437 snd_seq_timestamp_t time; /**< schedule time */
|
Chris@0
|
438
|
Chris@0
|
439 snd_seq_addr_t source; /**< source address */
|
Chris@0
|
440 snd_seq_addr_t dest; /**< destination address */
|
Chris@0
|
441
|
Chris@0
|
442 union {
|
Chris@0
|
443 snd_seq_ev_note_t note; /**< note information */
|
Chris@0
|
444 snd_seq_ev_ctrl_t control; /**< MIDI control information */
|
Chris@0
|
445 snd_seq_ev_raw8_t raw8; /**< raw8 data */
|
Chris@0
|
446 snd_seq_ev_raw32_t raw32; /**< raw32 data */
|
Chris@0
|
447 snd_seq_ev_ext_t ext; /**< external data */
|
Chris@0
|
448 snd_seq_ev_queue_control_t queue; /**< queue control */
|
Chris@0
|
449 snd_seq_timestamp_t time; /**< timestamp */
|
Chris@0
|
450 snd_seq_addr_t addr; /**< address */
|
Chris@0
|
451 snd_seq_connect_t connect; /**< connect information */
|
Chris@0
|
452 snd_seq_result_t result; /**< operation result code */
|
Chris@0
|
453 snd_seq_ev_instr_begin_t instr_begin; /**< instrument */
|
Chris@0
|
454 snd_seq_ev_sample_control_t sample; /**< sample control */
|
Chris@0
|
455 } data; /**< event data... */
|
Chris@0
|
456 } snd_seq_event_t;
|
Chris@0
|
457
|
Chris@0
|
458
|
Chris@0
|
459 /** \} */
|
Chris@0
|
460
|
Chris@0
|
461 #endif /* __ALSA_SEQ_EVENT_H */
|
Chris@0
|
462
|