Max 5 API Reference

ext_sysmidi.h

// sysmidi.h
#ifndef _SYSMIDI_H_
#define _SYSMIDI_H_

#ifdef __cplusplus
extern "C" {
#endif

#if C74_PRAGMA_STRUCT_PACKPUSH
    #pragma pack(push, 2)
#elif C74_PRAGMA_STRUCT_PACK
    #pragma pack(2)
#endif

enum {
    SYSMIDI_ENABLED = 1,
    SYSMIDI_DYNAMIC = 2,
    SYSMIDI_PERMANENT = 4
};

typedef struct midistate
{
    long arg1;      /* the second byte of a three-byte message */
    long midicmd;   /* top nibble of the most recent status byte */
    long chan;      /* midi channel (if not sysex) */
    long sysex;     /* true if we are getting a sysex message */
    long argc;      /* # of bytes received in msg excluding status byte */
    long miditime;  /* time the most recent byte was received */
    long gotbyte;   /* received but unparsed byte (-1 if none) */
    Byte *data;
} t_midistate;

typedef struct _iq {
    long q_head;
    long q_tail;
    long q_nitems;
    long q_size;
    long q_busy;
    long q_busy2;
    Byte *q_data;
    Byte q_psysex;
    Byte q_gsysex;
} t_iq;

typedef struct _midiportinfo {
    t_symbol *p_name;
    struct _sysmididriver *p_driver;
    long p_refnum;
    short p_id;
    short p_abbrev;
    short p_chanoffset;
    char p_enabled;
    char p_dynamic;     // is (was) a dynamically created port
    char p_permanent;   // should be saved in prefs
    char p_delete;
    void *p_data1;
    long p_data2;
    void *p_wait;
    t_midistate p_state;
} t_midiportinfo;

typedef struct _sysmididriver {
    t_object d_ob;
    t_symbol *d_name;
    char d_available;   // positive response on informational instantiation
    char d_hastimer;
    method d_sendmethod;
    method d_bytesreceivedmethod;
    // driver-specific info follows
} t_sysmididriver;

typedef struct _sysmidi {
    t_object s_ob;
    short s_inchans;
    short s_outchans;
    long s_qsize;
    t_iq s_q;
    void *s_drivers;
    void *s_inports;
    void *s_outports;
    t_patcher *s_dialog;
    Point s_topleft;        // saved location of dialog
    t_box *s_ibp;
    t_box *s_obp;
    void *s_qelem;
    short s_portsopened;
    long s_loaddelay;
    short s_dstpath;
} t_sysmidi;

short sysmidi_numinports(void);
short sysmidi_numoutports(void);
t_symbol *sysmidi_indextoname(long index, short io);
void sysmidi_iterate(method meth, void *arg, short io);
void sysmidi_enqbigpacket(t_midiportinfo *port, Byte *data, double ts, long len, short contFlags);
t_midiportinfo *sysmidi_createport(long id, long refnum, t_symbol *name, t_sysmididriver *dx, short io, long flags);
void sysmidi_deletemarked(short io);
t_midiportinfo *sysmidi_idtoport(long id, short io);
long sysmidi_uniqueid(void);
t_midiportinfo *sysmidi_data1toport(void *data, short io);


#if C74_PRAGMA_STRUCT_PACKPUSH
    #pragma pack(pop)
#elif C74_PRAGMA_STRUCT_PACK
    #pragma pack()
#endif

#ifdef __cplusplus
}
#endif

#endif // _SYSMIDI_H_

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