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/* Copyright (c) 1997-1999 Miller Puckette and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* Clock functions (which should move, but where?) and MIDI queueing */
#include "m_pd.h"
#include "s_stuff.h"
#include "m_imp.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#include <sys/time.h>
#ifdef HAVE_BSTRING_H
#include <bstring.h>
#endif
#endif
#ifdef _WIN32
#include <winsock.h>
#include <sys/types.h>
#include <sys/timeb.h>
#include <wtypes.h>
#endif
#include <string.h>
#include <stdio.h>
#include <signal.h>
typedef struct _midiqelem
{
double q_time;
int q_portno;
unsigned char q_onebyte;
unsigned char q_byte1;
unsigned char q_byte2;
unsigned char q_byte3;
} t_midiqelem;
#define MIDIQSIZE 1024
t_midiqelem midi_outqueue[MIDIQSIZE];
int midi_outhead, midi_outtail;
t_midiqelem midi_inqueue[MIDIQSIZE];
int midi_inhead, midi_intail;
static double sys_midiinittime;
int sys_midiapi = API_DEFAULT;
/* this is our current estimate for at what "system" real time the
current logical time's output should occur. */
static double sys_dactimeminusrealtime;
/* same for input, should be schduler advance earlier. */
static double sys_adctimeminusrealtime;
static double sys_newdactimeminusrealtime = -1e20;
static double sys_newadctimeminusrealtime = -1e20;
static double sys_whenupdate;
void sys_initmidiqueue( void)
{
sys_midiinittime = clock_getlogicaltime();
sys_dactimeminusrealtime = sys_adctimeminusrealtime = 0;
}
/* this is called from the OS dependent code from time to time when we
think we know the delay (outbuftime) in seconds, at which the last-output
audio sample will go out the door. */
void sys_setmiditimediff(double inbuftime, double outbuftime)
{
double dactimeminusrealtime =
.001 * clock_gettimesince(sys_midiinittime)
- outbuftime - sys_getrealtime();
double adctimeminusrealtime =
.001 * clock_gettimesince(sys_midiinittime)
+ inbuftime - sys_getrealtime();
if (dactimeminusrealtime > sys_newdactimeminusrealtime)
sys_newdactimeminusrealtime = dactimeminusrealtime;
if (adctimeminusrealtime > sys_newadctimeminusrealtime)
sys_newadctimeminusrealtime = adctimeminusrealtime;
if (sys_getrealtime() > sys_whenupdate)
{
sys_dactimeminusrealtime = sys_newdactimeminusrealtime;
sys_adctimeminusrealtime = sys_newadctimeminusrealtime;
sys_newdactimeminusrealtime = -1e20;
sys_newadctimeminusrealtime = -1e20;
sys_whenupdate = sys_getrealtime() + 1;
}
}
/* return the logical time of the DAC sample we believe is currently
going out, based on how much "system time" has elapsed since the
last time sys_setmiditimediff got called. */
static double sys_getmidioutrealtime( void)
{
return (sys_getrealtime() + sys_dactimeminusrealtime);
}
static double sys_getmidiinrealtime( void)
{
return (sys_getrealtime() + sys_adctimeminusrealtime);
}
static void sys_putnext( void)
{
int portno = midi_outqueue[midi_outtail].q_portno;
#ifdef USEAPI_ALSA
if (sys_midiapi == API_ALSA)
{
if (midi_outqueue[midi_outtail].q_onebyte)
sys_alsa_putmidibyte(portno, midi_outqueue[midi_outtail].q_byte1);
else sys_alsa_putmidimess(portno, midi_outqueue[midi_outtail].q_byte1,
midi_outqueue[midi_outtail].q_byte2,
midi_outqueue[midi_outtail].q_byte3);
}
else
#endif /* ALSA */
{
if (midi_outqueue[midi_outtail].q_onebyte)
sys_putmidibyte(portno, midi_outqueue[midi_outtail].q_byte1);
else sys_putmidimess(portno, midi_outqueue[midi_outtail].q_byte1,
midi_outqueue[midi_outtail].q_byte2,
midi_outqueue[midi_outtail].q_byte3);
}
midi_outtail = (midi_outtail + 1 == MIDIQSIZE ? 0 : midi_outtail + 1);
}
/* #define TEST_DEJITTER */
void sys_pollmidioutqueue( void)
{
#ifdef TEST_DEJITTER
static int db = 0;
#endif
double midirealtime = sys_getmidioutrealtime();
#ifdef TEST_DEJITTER
if (midi_outhead == midi_outtail)
db = 0;
#endif
while (midi_outhead != midi_outtail)
{
#ifdef TEST_DEJITTER
if (!db)
{
post("out: del %f, midiRT %f logicaltime %f, RT %f dacminusRT %f",
(midi_outqueue[midi_outtail].q_time - midirealtime),
midirealtime, .001 * clock_gettimesince(sys_midiinittime),
sys_getrealtime(), sys_dactimeminusrealtime);
db = 1;
}
#endif
if (midi_outqueue[midi_outtail].q_time <= midirealtime)
sys_putnext();
else break;
}
}
static void sys_queuemidimess(int portno, int onebyte, int a, int b, int c)
{
t_midiqelem *midiqelem;
int newhead = midi_outhead +1;
if (newhead == MIDIQSIZE)
newhead = 0;
/* if FIFO is full flush an element to make room */
if (newhead == midi_outtail)
sys_putnext();
midi_outqueue[midi_outhead].q_portno = portno;
midi_outqueue[midi_outhead].q_onebyte = onebyte;
midi_outqueue[midi_outhead].q_byte1 = a;
midi_outqueue[midi_outhead].q_byte2 = b;
midi_outqueue[midi_outhead].q_byte3 = c;
midi_outqueue[midi_outhead].q_time =
.001 * clock_gettimesince(sys_midiinittime);
midi_outhead = newhead;
sys_pollmidioutqueue();
}
#define MIDI_NOTEON 144
#define MIDI_POLYAFTERTOUCH 160
#define MIDI_CONTROLCHANGE 176
#define MIDI_PROGRAMCHANGE 192
#define MIDI_AFTERTOUCH 208
#define MIDI_PITCHBEND 224
void outmidi_noteon(int portno, int channel, int pitch, int velo)
{
if (pitch < 0) pitch = 0;
else if (pitch > 127) pitch = 127;
if (velo < 0) velo = 0;
else if (velo > 127) velo = 127;
sys_queuemidimess(portno, 0, MIDI_NOTEON + (channel & 0xf), pitch, velo);
}
void outmidi_controlchange(int portno, int channel, int ctl, int value)
{
if (ctl < 0) ctl = 0;
else if (ctl > 127) ctl = 127;
if (value < 0) value = 0;
else if (value > 127) value = 127;
sys_queuemidimess(portno, 0, MIDI_CONTROLCHANGE + (channel & 0xf),
ctl, value);
}
void outmidi_programchange(int portno, int channel, int value)
{
if (value < 0) value = 0;
else if (value > 127) value = 127;
sys_queuemidimess(portno, 0,
MIDI_PROGRAMCHANGE + (channel & 0xf), value, 0);
}
void outmidi_pitchbend(int portno, int channel, int value)
{
if (value < 0) value = 0;
else if (value > 16383) value = 16383;
sys_queuemidimess(portno, 0, MIDI_PITCHBEND + (channel & 0xf),
(value & 127), ((value>>7) & 127));
}
void outmidi_aftertouch(int portno, int channel, int value)
{
if (value < 0) value = 0;
else if (value > 127) value = 127;
sys_queuemidimess(portno, 0, MIDI_AFTERTOUCH + (channel & 0xf), value, 0);
}
void outmidi_polyaftertouch(int portno, int channel, int pitch, int value)
{
if (pitch < 0) pitch = 0;
else if (pitch > 127) pitch = 127;
if (value < 0) value = 0;
else if (value > 127) value = 127;
sys_queuemidimess(portno, 0, MIDI_POLYAFTERTOUCH + (channel & 0xf),
pitch, value);
}
void outmidi_mclk(int portno)
{
sys_queuemidimess(portno, 1, 0xf8, 0,0);
}
void outmidi_byte(int portno, int value)
{
#ifdef USEAPI_ALSA
if (sys_midiapi == API_ALSA)
{
sys_alsa_putmidibyte(portno, value);
}
else
#endif
{
sys_putmidibyte(portno, value);
}
}
/* ------------------------- MIDI input queue handling ------------------ */
typedef struct midiparser
{
int mp_status;
int mp_gotbyte1;
int mp_byte1;
} t_midiparser;
#define MIDINOTEOFF 0x80 /* 2 following 'data bytes' */
#define MIDINOTEON 0x90 /* 2 */
#define MIDIPOLYTOUCH 0xa0 /* 2 */
#define MIDICONTROLCHANGE 0xb0 /* 2 */
#define MIDIPROGRAMCHANGE 0xc0 /* 1 */
#define MIDICHANNELTOUCH 0xd0 /* 1 */
#define MIDIPITCHBEND 0xe0 /* 2 */
#define MIDISTARTSYSEX 0xf0 /* (until F7) */
#define MIDITIMECODE 0xf1 /* 1 */
#define MIDISONGPOS 0xf2 /* 2 */
#define MIDISONGSELECT 0xf3 /* 1 */
#define MIDIRESERVED1 0xf4 /* ? */
#define MIDIRESERVED2 0xf5 /* ? */
#define MIDITUNEREQUEST 0xf6 /* 0 */
#define MIDIENDSYSEX 0xf7 /* 0 */
#define MIDICLOCK 0xf8 /* 0 */
#define MIDITICK 0xf9 /* 0 */
#define MIDISTART 0xfa /* 0 */
#define MIDICONT 0xfb /* 0 */
#define MIDISTOP 0xfc /* 0 */
#define MIDIACTIVESENSE 0xfe /* 0 */
#define MIDIRESET 0xff /* 0 */
/* functions in x_midi.c */
void inmidi_realtimein(int portno, int cmd);
void inmidi_byte(int portno, int byte);
void inmidi_sysex(int portno, int byte);
void inmidi_noteon(int portno, int channel, int pitch, int velo);
void inmidi_controlchange(int portno, int channel, int ctlnumber, int value);
void inmidi_programchange(int portno, int channel, int value);
void inmidi_pitchbend(int portno, int channel, int value);
void inmidi_aftertouch(int portno, int channel, int value);
void inmidi_polyaftertouch(int portno, int channel, int pitch, int value);
static void sys_dispatchnextmidiin( void)
{
static t_midiparser parser[MAXMIDIINDEV], *parserp;
int portno = midi_inqueue[midi_intail].q_portno,
byte = midi_inqueue[midi_intail].q_byte1;
if (!midi_inqueue[midi_intail].q_onebyte)
bug("sys_dispatchnextmidiin");
if (portno < 0 || portno >= MAXMIDIINDEV)
bug("sys_dispatchnextmidiin 2");
parserp = parser + portno;
outlet_setstacklim();
if (byte >= 0xf8)
inmidi_realtimein(portno, byte);
else
{
inmidi_byte(portno, byte);
if (byte & 0x80)
{
if (byte == MIDITUNEREQUEST || byte == MIDIRESERVED1 ||
byte == MIDIRESERVED2)
parserp->mp_status = 0;
else if (byte == MIDISTARTSYSEX)
{
inmidi_sysex(portno, byte);
parserp->mp_status = byte;
}
else if (byte == MIDIENDSYSEX)
{
inmidi_sysex(portno, byte);
parserp->mp_status = 0;
}
else
{
parserp->mp_status = byte;
}
parserp->mp_gotbyte1 = 0;
}
else
{
int cmd = (parserp->mp_status >= 0xf0 ? parserp->mp_status :
(parserp->mp_status & 0xf0));
int chan = (parserp->mp_status & 0xf);
int byte1 = parserp->mp_byte1, gotbyte1 = parserp->mp_gotbyte1;
switch (cmd)
{
case MIDINOTEOFF:
if (gotbyte1)
inmidi_noteon(portno, chan, byte1, 0),
parserp->mp_gotbyte1 = 0;
else parserp->mp_byte1 = byte, parserp->mp_gotbyte1 = 1;
break;
case MIDINOTEON:
if (gotbyte1)
inmidi_noteon(portno, chan, byte1, byte),
parserp->mp_gotbyte1 = 0;
else parserp->mp_byte1 = byte, parserp->mp_gotbyte1 = 1;
break;
case MIDIPOLYTOUCH:
if (gotbyte1)
inmidi_polyaftertouch(portno, chan, byte1, byte),
parserp->mp_gotbyte1 = 0;
else parserp->mp_byte1 = byte, parserp->mp_gotbyte1 = 1;
break;
case MIDICONTROLCHANGE:
if (gotbyte1)
inmidi_controlchange(portno, chan, byte1, byte),
parserp->mp_gotbyte1 = 0;
else parserp->mp_byte1 = byte, parserp->mp_gotbyte1 = 1;
break;
case MIDIPROGRAMCHANGE:
inmidi_programchange(portno, chan, byte);
break;
case MIDICHANNELTOUCH:
inmidi_aftertouch(portno, chan, byte);
break;
case MIDIPITCHBEND:
if (gotbyte1)
inmidi_pitchbend(portno, chan, ((byte << 7) + byte1)),
parserp->mp_gotbyte1 = 0;
else parserp->mp_byte1 = byte, parserp->mp_gotbyte1 = 1;
break;
case MIDISTARTSYSEX:
inmidi_sysex(portno, byte);
break;
/* other kinds of messages are just dropped here. We'll
need another status byte before we start letting MIDI in
again (no running status across "system" messages). */
case MIDITIMECODE: /* 1 data byte*/
break;
case MIDISONGPOS: /* 2 */
break;
case MIDISONGSELECT: /* 1 */
break;
}
}
}
midi_intail = (midi_intail + 1 == MIDIQSIZE ? 0 : midi_intail + 1);
}
void sys_pollmidiinqueue( void)
{
#ifdef TEST_DEJITTER
static int db = 0;
#endif
double logicaltime = .001 * clock_gettimesince(sys_midiinittime);
#ifdef TEST_DEJITTER
if (midi_inhead == midi_intail)
db = 0;
#endif
while (midi_inhead != midi_intail)
{
#ifdef TEST_DEJITTER
if (!db)
{
post("in del %f, logicaltime %f, RT %f adcminusRT %f",
(midi_inqueue[midi_intail].q_time - logicaltime),
logicaltime, sys_getrealtime(), sys_adctimeminusrealtime);
db = 1;
}
#endif
#if 0
if (midi_inqueue[midi_intail].q_time <= logicaltime - 0.007)
post("late %f",
1000 * (logicaltime - midi_inqueue[midi_intail].q_time));
#endif
if (midi_inqueue[midi_intail].q_time <= logicaltime)
{
#if 0
post("diff %f",
1000* (logicaltime - midi_inqueue[midi_intail].q_time));
#endif
sys_dispatchnextmidiin();
}
else break;
}
}
/* this should be called from the system dependent MIDI code when a byte
comes in, as a result of our calling sys_poll_midi. We stick it on a
timetag queue and dispatch it at the appropriate logical time. */
void sys_midibytein(int portno, int byte)
{
static int warned = 0;
t_midiqelem *midiqelem;
int newhead = midi_inhead +1;
if (newhead == MIDIQSIZE)
newhead = 0;
/* if FIFO is full flush an element to make room */
if (newhead == midi_intail)
{
if (!warned)
{
post("warning: MIDI timing FIFO overflowed");
warned = 1;
}
sys_dispatchnextmidiin();
}
midi_inqueue[midi_inhead].q_portno = portno;
midi_inqueue[midi_inhead].q_onebyte = 1;
midi_inqueue[midi_inhead].q_byte1 = byte;
midi_inqueue[midi_inhead].q_time = sys_getmidiinrealtime();
midi_inhead = newhead;
sys_pollmidiinqueue();
}
void sys_pollmidiqueue( void)
{
#if 0
static double lasttime;
double newtime = sys_getrealtime();
if (newtime - lasttime > 0.007)
post("delay %d", (int)(1000 * (newtime - lasttime)));
lasttime = newtime;
#endif
#ifdef USEAPI_ALSA
if (sys_midiapi == API_ALSA)
sys_alsa_poll_midi();
else
#endif /* ALSA */
sys_poll_midi(); /* OS dependent poll for MIDI input */
sys_pollmidioutqueue();
sys_pollmidiinqueue();
}
/******************** dialog window and device listing ********************/
#ifdef USEAPI_ALSA
void midi_alsa_init( void);
#endif
#ifdef USEAPI_OSS
void midi_oss_init( void);
#endif
/* last requested parameters */
static int midi_nmidiindev;
static int midi_midiindev[MAXMIDIINDEV];
static int midi_nmidioutdev;
static int midi_midioutdev[MAXMIDIOUTDEV];
void sys_get_midi_apis(char *buf)
{
int n = 0;
strcpy(buf, "{ ");
sprintf(buf + strlen(buf), "{default-MIDI %d} ", API_DEFAULT); n++;
#ifdef USEAPI_ALSA
sprintf(buf + strlen(buf), "{ALSA-MIDI %d} ", API_ALSA); n++;
#endif
strcat(buf, "}");
/* then again, if only one API (or none) we don't offer any choice. */
if (n < 2)
strcpy(buf, "{}");
}
void sys_get_midi_params(int *pnmidiindev, int *pmidiindev,
int *pnmidioutdev, int *pmidioutdev)
{
int i;
*pnmidiindev = midi_nmidiindev;
for (i = 0; i < MAXMIDIINDEV; i++)
pmidiindev[i] = midi_midiindev[i];
*pnmidioutdev = midi_nmidioutdev;
for (i = 0; i < MAXMIDIOUTDEV; i++)
pmidioutdev[i] = midi_midioutdev[i];
}
static void sys_save_midi_params(
int nmidiindev, int *midiindev,
int nmidioutdev, int *midioutdev)
{
int i;
midi_nmidiindev = nmidiindev;
for (i = 0; i < MAXMIDIINDEV; i++)
midi_midiindev[i] = midiindev[i];
midi_nmidioutdev = nmidioutdev;
for (i = 0; i < MAXMIDIOUTDEV; i++)
midi_midioutdev[i] = midioutdev[i];
}
void sys_open_midi(int nmidiindev, int *midiindev,
int nmidioutdev, int *midioutdev, int enable)
{
if (enable)
{
#ifdef USEAPI_ALSA
midi_alsa_init();
#endif
#ifdef USEAPI_OSS
midi_oss_init();
#endif
#ifdef USEAPI_ALSA
if (sys_midiapi == API_ALSA)
sys_alsa_do_open_midi(nmidiindev, midiindev, nmidioutdev, midioutdev);
else
#endif /* ALSA */
sys_do_open_midi(nmidiindev, midiindev, nmidioutdev, midioutdev);
}
sys_save_midi_params(nmidiindev, midiindev,
nmidioutdev, midioutdev);
sys_vgui("set pd_whichmidiapi %d\n", sys_midiapi);
}
/* open midi using whatever parameters were last used */
void sys_reopen_midi( void)
{
int nmidiindev, midiindev[MAXMIDIINDEV];
int nmidioutdev, midioutdev[MAXMIDIOUTDEV];
sys_get_midi_params(&nmidiindev, midiindev, &nmidioutdev, midioutdev);
sys_open_midi(nmidiindev, midiindev, nmidioutdev, midioutdev, 1);
}
#define MAXNDEV 20
#define DEVDESCSIZE 80
#define DEVONSET 1 /* To agree with command line flags, normally start at 1 */
void sys_listmididevs(void )
{
char indevlist[MAXNDEV*DEVDESCSIZE], outdevlist[MAXNDEV*DEVDESCSIZE];
int nindevs = 0, noutdevs = 0, i;
#ifdef USEAPI_ALSA
if (sys_midiapi == API_ALSA)
midi_alsa_getdevs(indevlist, &nindevs, outdevlist, &noutdevs,
MAXNDEV, DEVDESCSIZE);
else
#endif /* ALSA */
midi_getdevs(indevlist, &nindevs, outdevlist, &noutdevs,
MAXNDEV, DEVDESCSIZE);
if (!nindevs)
post("no midi input devices found");
else
{
post("MIDI input devices:");
for (i = 0; i < nindevs; i++)
post("%d. %s", i+1, indevlist + i * DEVDESCSIZE);
}
if (!noutdevs)
post("no midi output devices found");
else
{
post("MIDI output devices:");
for (i = 0; i < noutdevs; i++)
post("%d. %s", i+DEVONSET, outdevlist + i * DEVDESCSIZE);
}
}
void sys_set_midi_api(int which)
{
sys_midiapi = which;
if (sys_verbose)
post("sys_midiapi %d", sys_midiapi);
}
void glob_midi_properties(t_pd *dummy, t_floatarg flongform);
void glob_midi_setapi(void *dummy, t_floatarg f)
{
int newapi = f;
if (newapi)
{
if (newapi == sys_midiapi)
{
//if (!midi_isopen())
// s_reopen_midi();
}
else
{
#ifdef USEAPI_ALSA
if (sys_midiapi == API_ALSA)
sys_alsa_close_midi();
else
#endif
sys_close_midi();
sys_midiapi = newapi;
/* bash device params back to default */
midi_nmidiindev = midi_nmidioutdev = 1;
//midi_midiindev[0] = midi_midioutdev[0] = DEFAULTMIDIDEV;
//midi_midichindev[0] = midi_midichoutdev[0] = SYS_DEFAULTCH;
sys_reopen_midi();
}
glob_midi_properties(0, 0);
}
else //if (midi_isopen())
{
sys_close_midi();
//midi_state = 0;
}
}
extern t_class *glob_pdobject;
/* start an midi settings dialog window */
void glob_midi_properties(t_pd *dummy, t_floatarg flongform)
{
char buf[1024 + 2 * MAXNDEV*(DEVDESCSIZE+4)];
/* these are the devices you're using: */
int nindev, midiindev[MAXMIDIINDEV];
int noutdev, midioutdev[MAXMIDIOUTDEV];
int midiindev1, midiindev2, midiindev3, midiindev4,
midioutdev1, midioutdev2, midioutdev3, midioutdev4;
/* these are all the devices on your system: */
char indevlist[MAXNDEV*DEVDESCSIZE], outdevlist[MAXNDEV*DEVDESCSIZE];
int nindevs = 0, noutdevs = 0, i;
midi_getdevs(indevlist, &nindevs, outdevlist, &noutdevs,
MAXNDEV, DEVDESCSIZE);
sys_gui("global midi_indevlist; set midi_indevlist {none}\n");
for (i = 0; i < nindevs; i++)
sys_vgui("lappend midi_indevlist {%s}\n",
indevlist + i * DEVDESCSIZE);
sys_gui("global midi_outdevlist; set midi_outdevlist {none}\n");
for (i = 0; i < noutdevs; i++)
sys_vgui("lappend midi_outdevlist {%s}\n",
outdevlist + i * DEVDESCSIZE);
sys_get_midi_params(&nindev, midiindev, &noutdev, midioutdev);
if (nindev > 1 || noutdev > 1)
flongform = 1;
midiindev1 = (nindev > 0 && midiindev[0]>= 0 ? midiindev[0]+1 : 0);
midiindev2 = (nindev > 1 && midiindev[1]>= 0 ? midiindev[1]+1 : 0);
midiindev3 = (nindev > 2 && midiindev[2]>= 0 ? midiindev[2]+1 : 0);
midiindev4 = (nindev > 3 && midiindev[3]>= 0 ? midiindev[3]+1 : 0);
midioutdev1 = (noutdev > 0 && midioutdev[0]>=0 ? midioutdev[0]+1 : 0);
midioutdev2 = (noutdev > 1 && midioutdev[1]>=0 ? midioutdev[1]+1 : 0);
midioutdev3 = (noutdev > 2 && midioutdev[2]>=0 ? midioutdev[2]+1 : 0);
midioutdev4 = (noutdev > 3 && midioutdev[3]>=0 ? midioutdev[3]+1 : 0);
#ifdef USEAPI_ALSA
if (sys_midiapi == API_ALSA)
sprintf(buf,
"pdtk_alsa_midi_dialog %%s \
%d %d %d %d %d %d %d %d \
%d 1\n",
midiindev1, midiindev2, midiindev3, midiindev4,
midioutdev1, midioutdev2, midioutdev3, midioutdev4,
(flongform != 0));
else
#endif
sprintf(buf,
"pdtk_midi_dialog %%s \
%d %d %d %d %d %d %d %d \
%d\n",
midiindev1, midiindev2, midiindev3, midiindev4,
midioutdev1, midioutdev2, midioutdev3, midioutdev4,
(flongform != 0));
gfxstub_deleteforkey(0);
gfxstub_new(&glob_pdobject, (void *)glob_midi_properties, buf);
}
/* new values from dialog window */
void glob_midi_dialog(t_pd *dummy, t_symbol *s, int argc, t_atom *argv)
{
int nmidiindev, midiindev[MAXMIDIINDEV];
int nmidioutdev, midioutdev[MAXMIDIOUTDEV];
int i, nindev, noutdev;
int newmidiindev[4], newmidioutdev[4];
int alsadevin, alsadevout;
for (i = 0; i < 4; i++)
{
newmidiindev[i] = atom_getintarg(i, argc, argv);
newmidioutdev[i] = atom_getintarg(i+4, argc, argv);
}
for (i = 0, nindev = 0; i < 4; i++)
{
if (newmidiindev[i] > 0)
{
newmidiindev[nindev] = newmidiindev[i]-1;
nindev++;
}
}
for (i = 0, noutdev = 0; i < 4; i++)
{
if (newmidioutdev[i] > 0)
{
newmidioutdev[noutdev] = newmidioutdev[i]-1;
noutdev++;
}
}
alsadevin = atom_getintarg(8, argc, argv);
alsadevout = atom_getintarg(9, argc, argv);
#ifdef USEAPI_ALSA
if (sys_midiapi == API_ALSA)
{
sys_alsa_close_midi();
sys_open_midi(alsadevin, newmidiindev, alsadevout, newmidioutdev, 1);
}
else
#endif
{
sys_close_midi();
sys_open_midi(nindev, newmidiindev, noutdev, newmidioutdev, 1);
}
}
void sys_get_midi_devs(char *indevlist, int *nindevs,
char *outdevlist, int *noutdevs,
int maxndevs, int devdescsize)
{
#ifdef USEAPI_ALSA
if (sys_midiapi == API_ALSA)
midi_alsa_getdevs(indevlist, nindevs, outdevlist, noutdevs,
maxndevs, devdescsize);
else
#endif /* ALSA */
midi_getdevs(indevlist, nindevs, outdevlist, noutdevs, maxndevs, devdescsize);
}