/home/alsa/tmp/cvs/alsa-lib/include/seq_event.h

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/*
 *   This library is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Lesser General Public License as
 *   published by the Free Software Foundation; either version 2.1 of
 *   the License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#ifndef __ALSA_SEQ_EVENT_H
#define __ALSA_SEQ_EVENT_H

typedef unsigned char snd_seq_event_type_t;

enum snd_seq_event_type {
        SND_SEQ_EVENT_SYSTEM = 0,
        SND_SEQ_EVENT_RESULT,

        SND_SEQ_EVENT_NOTE = 5,
        SND_SEQ_EVENT_NOTEON,
        SND_SEQ_EVENT_NOTEOFF,
        SND_SEQ_EVENT_KEYPRESS,
        
        SND_SEQ_EVENT_CONTROLLER = 10,
        SND_SEQ_EVENT_PGMCHANGE,
        SND_SEQ_EVENT_CHANPRESS,
        SND_SEQ_EVENT_PITCHBEND,
        SND_SEQ_EVENT_CONTROL14,
        SND_SEQ_EVENT_NONREGPARAM,
        SND_SEQ_EVENT_REGPARAM,

        SND_SEQ_EVENT_SONGPOS = 20,
        SND_SEQ_EVENT_SONGSEL,
        SND_SEQ_EVENT_QFRAME,
        SND_SEQ_EVENT_TIMESIGN,
        SND_SEQ_EVENT_KEYSIGN,
                
        SND_SEQ_EVENT_START = 30,
        SND_SEQ_EVENT_CONTINUE,
        SND_SEQ_EVENT_STOP,
        SND_SEQ_EVENT_SETPOS_TICK,
        SND_SEQ_EVENT_SETPOS_TIME,
        SND_SEQ_EVENT_TEMPO,
        SND_SEQ_EVENT_CLOCK,
        SND_SEQ_EVENT_TICK,
        SND_SEQ_EVENT_QUEUE_SKEW,
        SND_SEQ_EVENT_SYNC_POS,

        SND_SEQ_EVENT_TUNE_REQUEST = 40,
        SND_SEQ_EVENT_RESET,
        SND_SEQ_EVENT_SENSING,

        SND_SEQ_EVENT_ECHO = 50,
        SND_SEQ_EVENT_OSS,

        SND_SEQ_EVENT_CLIENT_START = 60,
        SND_SEQ_EVENT_CLIENT_EXIT,
        SND_SEQ_EVENT_CLIENT_CHANGE,
        SND_SEQ_EVENT_PORT_START,
        SND_SEQ_EVENT_PORT_EXIT,
        SND_SEQ_EVENT_PORT_CHANGE,

        SND_SEQ_EVENT_PORT_SUBSCRIBED,
        SND_SEQ_EVENT_PORT_UNSUBSCRIBED,

        SND_SEQ_EVENT_USR0 = 90,
        SND_SEQ_EVENT_USR1,
        SND_SEQ_EVENT_USR2,
        SND_SEQ_EVENT_USR3,
        SND_SEQ_EVENT_USR4,
        SND_SEQ_EVENT_USR5,
        SND_SEQ_EVENT_USR6,
        SND_SEQ_EVENT_USR7,
        SND_SEQ_EVENT_USR8,
        SND_SEQ_EVENT_USR9,

        SND_SEQ_EVENT_SYSEX = 130,
        SND_SEQ_EVENT_BOUNCE,
        SND_SEQ_EVENT_USR_VAR0 = 135,
        SND_SEQ_EVENT_USR_VAR1,
        SND_SEQ_EVENT_USR_VAR2,
        SND_SEQ_EVENT_USR_VAR3,
        SND_SEQ_EVENT_USR_VAR4,

        SND_SEQ_EVENT_NONE = 255
};


typedef struct snd_seq_addr {
        unsigned char client;   
        unsigned char port;     
} snd_seq_addr_t;

typedef struct snd_seq_connect {
        snd_seq_addr_t sender;  
        snd_seq_addr_t dest;    
} snd_seq_connect_t;


typedef struct snd_seq_real_time {
        unsigned int tv_sec;            
        unsigned int tv_nsec;           
} snd_seq_real_time_t;

typedef unsigned int snd_seq_tick_time_t;

typedef union snd_seq_timestamp {
        snd_seq_tick_time_t tick;       
        struct snd_seq_real_time time;  
} snd_seq_timestamp_t;


#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)  
typedef struct snd_seq_ev_note {
        unsigned char channel;          
        unsigned char note;             
        unsigned char velocity;         
        unsigned char off_velocity;     
        unsigned int duration;          
} snd_seq_ev_note_t;

typedef struct snd_seq_ev_ctrl {
        unsigned char channel;          
        unsigned char unused[3];        
        unsigned int param;             
        signed int value;               
} snd_seq_ev_ctrl_t;

typedef struct snd_seq_ev_raw8 {
        unsigned char d[12];            
} snd_seq_ev_raw8_t;

typedef struct snd_seq_ev_raw32 {
        unsigned int d[3];              
} snd_seq_ev_raw32_t;

typedef struct snd_seq_ev_ext {
        unsigned int len;               
        void *ptr;                      
} __attribute__((packed)) snd_seq_ev_ext_t;

typedef struct snd_seq_result {
        int event;              
        int result;             
} snd_seq_result_t;

typedef struct snd_seq_queue_skew {
        unsigned int value;     
        unsigned int base;      
} snd_seq_queue_skew_t;

typedef struct snd_seq_ev_queue_control {
        unsigned char queue;                    
        unsigned char unused[3];                
        union {
                signed int value;               
                snd_seq_timestamp_t time;       
                unsigned int position;          
                snd_seq_queue_skew_t skew;      
                unsigned int d32[2];            
                unsigned char d8[8];            
        } param;                                
} snd_seq_ev_queue_control_t;


typedef struct snd_seq_event {
        snd_seq_event_type_t type;      
        unsigned char flags;            
        unsigned char tag;              
        unsigned char queue;            
        snd_seq_timestamp_t time;       
        snd_seq_addr_t source;          
        snd_seq_addr_t dest;            
        union {
                snd_seq_ev_note_t note;         
                snd_seq_ev_ctrl_t control;      
                snd_seq_ev_raw8_t raw8;         
                snd_seq_ev_raw32_t raw32;       
                snd_seq_ev_ext_t ext;           
                snd_seq_ev_queue_control_t queue; 
                snd_seq_timestamp_t time;       
                snd_seq_addr_t addr;            
                snd_seq_connect_t connect;      
                snd_seq_result_t result;        
        } data;                         
} snd_seq_event_t;


#endif /* __ALSA_SEQ_EVENT_H */

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