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/* Copyright (c) 1997-2003 Guenter Geiger, Miller Puckette, Larry Troxler,
* Winfried Ritsch, Karl MacMillan, and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
this file calls portmidi to do MIDI I/O for MSW and Mac OSX.
*/
#include "m_pd.h"
#include "s_stuff.h"
#include <stdio.h>
#ifdef UNIX
#include <unistd.h>
#include <sys/time.h>
#include <sys/resource.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "portaudio.h"
#include "portmidi.h"
#include "porttime.h"
#include "pminternal.h"
static PmStream *mac_midiindevlist[MAXMIDIINDEV];
static PmStream *mac_midioutdevlist[MAXMIDIOUTDEV];
static int mac_nmidiindev;
static int mac_nmidioutdev;
void sys_do_open_midi(int nmidiin, int *midiinvec,
int nmidiout, int *midioutvec)
{
int i = 0, j, devno;
int n = 0;
PmError err;
Pt_Start(1, 0, 0); /* start a timer with millisecond accuracy */
/* protect the unwary from having MIDI inputs open; they're
bad news if you close Pd's terminal window. see sys_nmidiin
in s_main.c too. */
#ifdef MSW
if (nmidiin)
{
post(
"midi input enabled; warning, don't close the DOS window directly!");
}
else post("not using MIDI input (use 'pd -midiindev 1' to override)");
#endif
mac_nmidiindev = 0;
for (i = 0; i < nmidiin; i++)
{
for (j = 0, devno = 0; j < Pm_CountDevices(); j++)
{
const PmDeviceInfo *info = Pm_GetDeviceInfo(j);
if (info->input)
{
if (devno == midiinvec[i])
{
err = Pm_OpenInput(&mac_midiindevlist[mac_nmidiindev],
j, NULL, 100, NULL, NULL, NULL);
if (err)
post("could not open midi input %d (%s): %s",
j, info->name, Pm_GetErrorText(err));
else
{
if (sys_verbose)
post("Midi Input (%s) opened.",
info->name);
mac_nmidiindev++;
}
}
devno++;
}
}
}
mac_nmidioutdev = 0;
for (i = 0; i < nmidiout; i++)
{
for (j = 0, devno = 0; j < Pm_CountDevices(); j++)
{
const PmDeviceInfo *info = Pm_GetDeviceInfo(j);
if (info->output)
{
if (devno == midioutvec[i])
{
err = Pm_OpenOutput(
&mac_midioutdevlist[mac_nmidioutdev],
j, NULL, 0, NULL, NULL, 0);
if (err)
post("could not open midi output %d (%s): %s",
j, info->name, Pm_GetErrorText(err));
else
{
if (sys_verbose)
post("Midi Output (%s) opened.",
info->name);
mac_nmidioutdev++;
}
}
devno++;
}
}
}
}
void sys_close_midi( void)
{
int i;
for (i = 0; i < mac_nmidiindev; i++)
Pm_Close(mac_midiindevlist[i]);
mac_nmidiindev = 0;
for (i = 0; i < mac_nmidioutdev; i++)
Pm_Close(mac_midioutdevlist[i]);
mac_nmidioutdev = 0;
}
void sys_putmidimess(int portno, int a, int b, int c)
{
PmEvent buffer;
/* fprintf(stderr, "put 1 msg %d %d\n", portno, mac_nmidioutdev); */
if (portno >= 0 && portno < mac_nmidioutdev)
{
buffer.message = Pm_Message(a, b, c);
buffer.timestamp = 0;
/* fprintf(stderr, "put msg\n"); */
Pm_Write(mac_midioutdevlist[portno], &buffer, 1);
}
}
void sys_putmidibyte(int portno, int byte)
{
post("sorry, no byte-by-byte MIDI output implemented in MAC OSX");
}
void sys_poll_midi(void)
{
int i, nmess;
PmEvent buffer;
for (i = 0; i < mac_nmidiindev; i++)
{
int nmess = Pm_Read(mac_midiindevlist[i], &buffer, 1);
if (nmess > 0)
{
int status = Pm_MessageStatus(buffer.message);
int data1 = Pm_MessageData1(buffer.message);
int data2 = Pm_MessageData2(buffer.message);
int msgtype = (status >> 4) - 8;
switch (msgtype)
{
case 0:
case 1:
case 2:
case 3:
case 6:
sys_midibytein(i, status);
sys_midibytein(i, data1);
sys_midibytein(i, data2);
break;
case 4:
case 5:
sys_midibytein(i, status);
sys_midibytein(i, data1);
break;
case 7:
sys_midibytein(i, status);
break;
}
}
}
}
#if 0
void sys_listmididevs(void) /* lifted from pa_devs.c in portaudio */
{
int i,j;
for (i = 0; i < Pm_CountDevices(); i++)
{
const PmDeviceInfo *info = Pm_GetDeviceInfo(i);
printf("%d: %s, %s", i, info->interf, info->name);
if (info->input) printf(" (input)");
if (info->output) printf(" (output)");
printf("\n");
}
}
#endif
void midi_getdevs(char *indevlist, int *nindevs,
char *outdevlist, int *noutdevs, int maxndev, int devdescsize)
{
int i, nindev = 0, noutdev = 0;
for (i = 0; i < Pm_CountDevices(); i++)
{
const PmDeviceInfo *info = Pm_GetDeviceInfo(i);
/* post("%d: %s, %s (%d,%d)", i, info->interf, info->name,
info->input, info->output); */
if (info->input && nindev < maxndev)
{
strcpy(indevlist + nindev * devdescsize, info->name);
nindev++;
}
if (info->output && noutdev < maxndev)
{
strcpy(outdevlist + noutdev * devdescsize, info->name);
noutdev++;
}
}
*nindevs = nindev;
*noutdevs = noutdev;
}
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