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/* GrIPD v0.1.1 - Graphical Interface for Pure Data
** Copyright (C) 2003 Joseph A. Sarlo
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License
** as published by the Free Software Foundation; either version 2
** 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** jsarlo@ucsd.edu
*/
#include "midiiolib.h"
#include <stdio.h>
#ifndef NT
#include <unistd.h>
#endif
#define MAXDEVS 16
#define MAXEVENTS 4096
#ifndef VISUAL
using namespace std;
#endif
static int eventCount[MAXDEVS];
static int eventCommand[MAXEVENTS][MAXDEVS];
static int eventP0[MAXEVENTS][MAXDEVS];
static int eventP1[MAXEVENTS][MAXDEVS];
static int eventP2[MAXEVENTS][MAXDEVS];
static int eventP3[MAXEVENTS][MAXDEVS];
static MidiInput mInput[MAXDEVS];
static int devCount = 0;
static int devList[MAXDEVS];
int openDevice(int dev) {
int i, devId, numPorts;
numPorts = MidiInPort::getNumPorts();
if (dev >= numPorts || dev < 0) {
return (-1);
}
else {
if (devCount == 0) {
for (i = 0; i < MAXDEVS; i++) {
devList[i] = 0;
}
}
for (i = 0; i < MAXDEVS; i++) {
if (devList[i] == 0) {
devId = i;
i = MAXDEVS;
}
}
devCount++;
eventCount[devId] = 0;
devList[devId] = 1;
mInput[devId].setPort(dev);
mInput[devId].open();
return (devId);
}
}
int closeDevice(int devno) {
if (devList[devno]) {
devCount--;
devList[devno] = 0;
#ifndef LINUX
mInput[devno].close();
#endif
return (1);
}
else
return (-1);
}
int readEvents(int devno) {
int i;
MidiMessage message;
if (devno < 0 || devno >= MAXDEVS)
return (-1);
eventCount[devno] = mInput[devno].getCount();
if (eventCount[devno] > MAXEVENTS) {
eventCount[devno] = MAXEVENTS;
}
for (i = 0; i < eventCount[devno]; i++) {
message = mInput[devno].extract();
eventCommand[i][devno] = message.getCommand();
eventP0[i][devno] = message.getP0();
eventP1[i][devno] = message.getP1();
eventP2[i][devno] = message.getP2();
eventP3[i][devno] = message.getP3();
}
return (eventCount[devno]);
}
int getEventCount(int devno) {
if (devno < 0 || devno >= MAXDEVS)
return (-1);
else
return (eventCount[devno]);
}
int getEventCommand(int devno, int eNum) {
if (eNum < 0 || eNum >= eventCount[devno] || devno < 0 || devno >= MAXDEVS)
return (-1);
else
return eventCommand[eNum][devno];
}
int getEventP0(int devno, int eNum) {
if (eNum < 0 || eNum >= eventCount[devno] || devno < 0 || devno >= MAXDEVS)
return (-1);
else
return eventP0[eNum][devno];
}
int getEventP1(int devno, int eNum) {
if (eNum < 0 || eNum >= eventCount[devno] || devno < 0 || devno >= MAXDEVS)
return (-1);
else
return eventP1[eNum][devno];
}
int getEventP2(int devno, int eNum) {
if (eNum < 0 || eNum >= eventCount[devno] || devno < 0 || devno >= MAXDEVS)
return (-1);
else
return eventP2[eNum][devno];
}
int getEventP3(int devno, int eNum) {
if (eNum < 0 || eNum >= eventCount[devno] || devno < 0 || devno >= MAXDEVS)
return (-1);
else
return eventP3[eNum][devno];
}
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