Data Structures | |
| struct | snd_seq_addr_t |
| struct | snd_seq_connect_t |
| struct | snd_seq_real_time_t |
| union | snd_seq_timestamp_t |
| struct | snd_seq_ev_note_t |
| struct | snd_seq_ev_ctrl_t |
| struct | snd_seq_ev_raw8_t |
| struct | snd_seq_ev_raw32_t |
| struct | snd_seq_ev_ext_t |
| struct | snd_seq_result_t |
| struct | snd_seq_queue_skew_t |
| struct | snd_seq_ev_queue_control_t |
| struct | snd_seq_event_t |
Macros | |
| #define | SND_SEQ_TIME_STAMP_TICK (0<<0) |
| #define | SND_SEQ_TIME_STAMP_REAL (1<<0) |
| #define | SND_SEQ_TIME_STAMP_MASK (1<<0) |
| #define | SND_SEQ_TIME_MODE_ABS (0<<1) |
| #define | SND_SEQ_TIME_MODE_REL (1<<1) |
| #define | SND_SEQ_TIME_MODE_MASK (1<<1) |
| #define | SND_SEQ_EVENT_LENGTH_FIXED (0<<2) |
| #define | SND_SEQ_EVENT_LENGTH_VARIABLE (1<<2) |
| #define | SND_SEQ_EVENT_LENGTH_VARUSR (2<<2) |
| #define | SND_SEQ_EVENT_LENGTH_MASK (3<<2) |
| #define | SND_SEQ_PRIORITY_NORMAL (0<<4) |
| #define | SND_SEQ_PRIORITY_HIGH (1<<4) |
| #define | SND_SEQ_PRIORITY_MASK (1<<4) |
Typedefs | |
| typedef unsigned char | snd_seq_event_type_t |
| typedef unsigned int | snd_seq_tick_time_t |
| typedef snd_seq_ev_ext | snd_seq_ev_ext_t |
Functions | |
| struct snd_seq_ev_ext | __attribute__ ((packed)) |
Detailed Description
Sequencer Event Definitions
Macro Definition Documentation
◆ SND_SEQ_EVENT_LENGTH_FIXED
| #define SND_SEQ_EVENT_LENGTH_FIXED (0<<2) |
fixed event size
◆ SND_SEQ_EVENT_LENGTH_MASK
| #define SND_SEQ_EVENT_LENGTH_MASK (3<<2) |
mask for event length bits
◆ SND_SEQ_EVENT_LENGTH_VARIABLE
| #define SND_SEQ_EVENT_LENGTH_VARIABLE (1<<2) |
variable event size
◆ SND_SEQ_EVENT_LENGTH_VARUSR
| #define SND_SEQ_EVENT_LENGTH_VARUSR (2<<2) |
variable event size - user memory space
◆ SND_SEQ_PRIORITY_HIGH
| #define SND_SEQ_PRIORITY_HIGH (1<<4) |
event should be processed before others
◆ SND_SEQ_PRIORITY_MASK
| #define SND_SEQ_PRIORITY_MASK (1<<4) |
mask for priority bits
◆ SND_SEQ_PRIORITY_NORMAL
| #define SND_SEQ_PRIORITY_NORMAL (0<<4) |
normal priority
◆ SND_SEQ_TIME_MODE_ABS
| #define SND_SEQ_TIME_MODE_ABS (0<<1) |
absolute timestamp
◆ SND_SEQ_TIME_MODE_MASK
| #define SND_SEQ_TIME_MODE_MASK (1<<1) |
mask for time mode bits
◆ SND_SEQ_TIME_MODE_REL
| #define SND_SEQ_TIME_MODE_REL (1<<1) |
relative to current time
◆ SND_SEQ_TIME_STAMP_MASK
| #define SND_SEQ_TIME_STAMP_MASK (1<<0) |
mask for timestamp bits
◆ SND_SEQ_TIME_STAMP_REAL
| #define SND_SEQ_TIME_STAMP_REAL (1<<0) |
timestamp in real time
◆ SND_SEQ_TIME_STAMP_TICK
| #define SND_SEQ_TIME_STAMP_TICK (0<<0) |
Event mode flags
NOTE: only 8 bits available! timestamp in clock ticks
Typedef Documentation
◆ snd_seq_ev_ext_t
| typedef struct snd_seq_ev_ext snd_seq_ev_ext_t |
external stored data
◆ snd_seq_event_type_t
| typedef unsigned char snd_seq_event_type_t |
Sequencer event data type
◆ snd_seq_tick_time_t
| typedef unsigned int snd_seq_tick_time_t |
(MIDI) Tick-time data record
Enumeration Type Documentation
◆ snd_seq_event_type
| enum snd_seq_event_type |
Sequencer event type
| Enumerator | |
|---|---|
| SND_SEQ_EVENT_SYSTEM | system status; event data type = snd_seq_result_t |
| SND_SEQ_EVENT_RESULT | returned result status; event data type = snd_seq_result_t |
| SND_SEQ_EVENT_NOTE | note on and off with duration; event data type = snd_seq_ev_note_t |
| SND_SEQ_EVENT_NOTEON | note on; event data type = snd_seq_ev_note_t |
| SND_SEQ_EVENT_NOTEOFF | note off; event data type = snd_seq_ev_note_t |
| SND_SEQ_EVENT_KEYPRESS | key pressure change (aftertouch); event data type = snd_seq_ev_note_t |
| SND_SEQ_EVENT_CONTROLLER | controller; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_PGMCHANGE | program change; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_CHANPRESS | channel pressure; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_PITCHBEND | pitchwheel; event data type = snd_seq_ev_ctrl_t; data is from -8192 to 8191) |
| SND_SEQ_EVENT_CONTROL14 | 14 bit controller value; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_NONREGPARAM | 14 bit NRPN; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_REGPARAM | 14 bit RPN; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_SONGPOS | SPP with LSB and MSB values; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_SONGSEL | Song Select with song ID number; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_QFRAME | midi time code quarter frame; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_TIMESIGN | SMF Time Signature event; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_KEYSIGN | SMF Key Signature event; event data type = snd_seq_ev_ctrl_t |
| SND_SEQ_EVENT_START | MIDI Real Time Start message; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_CONTINUE | MIDI Real Time Continue message; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_STOP | MIDI Real Time Stop message; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_SETPOS_TICK | Set tick queue position; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_SETPOS_TIME | Set real-time queue position; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_TEMPO | (SMF) Tempo event; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_CLOCK | MIDI Real Time Clock message; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_TICK | MIDI Real Time Tick message; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_QUEUE_SKEW | Queue timer skew; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_SYNC_POS | Sync position changed; event data type = snd_seq_ev_queue_control_t |
| SND_SEQ_EVENT_TUNE_REQUEST | Tune request; event data type = none |
| SND_SEQ_EVENT_RESET | Reset to power-on state; event data type = none |
| SND_SEQ_EVENT_SENSING | Active sensing event; event data type = none |
| SND_SEQ_EVENT_ECHO | Echo-back event; event data type = any type |
| SND_SEQ_EVENT_OSS | OSS emulation raw event; event data type = any type |
| SND_SEQ_EVENT_CLIENT_START | New client has connected; event data type = snd_seq_addr_t |
| SND_SEQ_EVENT_CLIENT_EXIT | Client has left the system; event data type = snd_seq_addr_t |
| SND_SEQ_EVENT_CLIENT_CHANGE | Client status/info has changed; event data type = snd_seq_addr_t |
| SND_SEQ_EVENT_PORT_START | New port was created; event data type = snd_seq_addr_t |
| SND_SEQ_EVENT_PORT_EXIT | Port was deleted from system; event data type = snd_seq_addr_t |
| SND_SEQ_EVENT_PORT_CHANGE | Port status/info has changed; event data type = snd_seq_addr_t |
| SND_SEQ_EVENT_PORT_SUBSCRIBED | Ports connected; event data type = snd_seq_connect_t |
| SND_SEQ_EVENT_PORT_UNSUBSCRIBED | Ports disconnected; event data type = snd_seq_connect_t |
| SND_SEQ_EVENT_USR0 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_USR1 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_USR2 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_USR3 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_USR4 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_USR5 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_USR6 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_USR7 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_USR8 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_USR9 | user-defined event; event data type = any (fixed size) |
| SND_SEQ_EVENT_SYSEX | system exclusive data (variable length); event data type = snd_seq_ev_ext_t |
| SND_SEQ_EVENT_BOUNCE | error event; event data type = snd_seq_ev_ext_t |
| SND_SEQ_EVENT_USR_VAR0 | reserved for user apps; event data type = snd_seq_ev_ext_t |
| SND_SEQ_EVENT_USR_VAR1 | reserved for user apps; event data type = snd_seq_ev_ext_t |
| SND_SEQ_EVENT_USR_VAR2 | reserved for user apps; event data type = snd_seq_ev_ext_t |
| SND_SEQ_EVENT_USR_VAR3 | reserved for user apps; event data type = snd_seq_ev_ext_t |
| SND_SEQ_EVENT_USR_VAR4 | reserved for user apps; event data type = snd_seq_ev_ext_t |
| SND_SEQ_EVENT_NONE | NOP; ignored in any case |
