/usr/include/faust/midi/rt-midi.h is in faust-common 0.9.95~repack1-2.
This file is owned by root:root, with mode 0o644.
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FAUST Architecture File
Copyright (C) 2003-2011 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This Architecture section 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 3 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, see <http://www.gnu.org/licenses/>.
EXCEPTION : As a special exception, you may create a larger work
that contains this FAUST architecture section and distribute
that work under terms of your choice, so long as this FAUST
architecture section is not modified.
************************************************************************
************************************************************************/
#ifndef __rt_midi__
#define __rt_midi__
#include <iostream>
#include <cstdlib>
#include "faust/midi/RtMidi.h"
#include "faust/midi/midi.h"
class MapUI;
class rt_midi : public midi_handler {
private:
std::vector<RtMidiIn*> fInput;
std::vector<RtMidiOut*> fOutput;
static void midiCallback(double time, std::vector<unsigned char>* message, void* arg)
{
rt_midi* midi = static_cast<rt_midi*>(arg);
unsigned int nBytes = message->size();
int type = (int)message->at(0) & 0xf0;
int channel = (int)message->at(0) & 0x0f;
// MIDI sync
if (nBytes == 1) {
midi->handleSync(time, (int)message->at(0));
} else if (nBytes == 2) {
midi->handleData1(time, type, channel, (int)message->at(1));
} else if (nBytes == 3) {
midi->handleData2(time, type, channel, (int)message->at(1), (int)message->at(2));
}
}
bool openMidiInputPorts()
{
// Get number of input ports
RtMidiIn midi_in;
unsigned nInPorts = midi_in.getPortCount();
if (nInPorts == 0) {
std::cout << "No input ports available!" << std::endl;
return false;
}
// Then open all of them
for (unsigned int i = 0; i < nInPorts; i++) {
RtMidiIn* midi_in = new RtMidiIn();
midi_in->ignoreTypes(true, false, true);
fInput.push_back(midi_in);
midi_in->openPort(i);
midi_in->setCallback(&midiCallback, this);
std::string portName = midi_in->getPortName(i);
std::cout << "Input port #" << i << ": " << portName << '\n';
}
return true;
}
bool openMidiOutputPorts()
{
// Get number of output ports
RtMidiOut midi_out;
unsigned nOutPorts = midi_out.getPortCount();
if (nOutPorts == 0) {
std::cout << "No output ports available!" << std::endl;
return false;
}
// Then open all of them
for (unsigned int i = 0; i < nOutPorts; i++) {
RtMidiOut* midi_out = new RtMidiOut();
fOutput.push_back(midi_out);
midi_out->openPort(i);
std::string portName = midi_out->getPortName(i);
std::cout << "Output port #" << i << ": " << portName << '\n';
}
return true;
}
void chooseMidiInputPort(const std::string& name)
{
RtMidiIn* midi_in = new RtMidiIn();
midi_in->ignoreTypes(true, false, true);
fInput.push_back(midi_in);
midi_in->setCallback(&midiCallback, this);
midi_in->openVirtualPort(name);
}
void chooseMidiOutPort(const std::string& name)
{
RtMidiOut* midi_out = new RtMidiOut();
fOutput.push_back(midi_out);
midi_out->openVirtualPort(name);
}
void sendMessage(std::vector<unsigned char>& message)
{
std::vector<RtMidiOut*>::iterator it;
for (it = fOutput.begin(); it != fOutput.end(); it++) {
(*it)->sendMessage(&message);
}
}
public:
rt_midi(const std::string& name = "RtMidi"):midi_handler(name)
{}
virtual ~rt_midi()
{
stop_midi();
}
bool start_midi()
{
try {
#if TARGET_OS_IPHONE
if (!openMidiInputPorts()) { stop_midi(); return false; }
if (!openMidiOutputPorts()) { stop_midi(); return false; }
#else
chooseMidiInputPort(fName);
chooseMidiOutPort(fName);
#endif
return true;
} catch (RtMidiError &error) {
error.printMessage();
stop_midi();
return false;
}
}
void stop_midi()
{
std::vector<RtMidiIn*>::iterator it1;
for (it1 = fInput.begin(); it1 != fInput.end(); it1++) {
delete (*it1);
}
fInput.clear();
std::vector<RtMidiOut*>::iterator it2;
for (it2 = fOutput.begin(); it2 != fOutput.end(); it2++) {
delete (*it2);
}
fOutput.clear();
}
MapUI* keyOn(int channel, int pitch, int velocity)
{
std::vector<unsigned char> message;
message.push_back(MIDI_NOTE_ON + channel);
message.push_back(pitch);
message.push_back(velocity);
sendMessage(message);
return 0;
}
void keyOff(int channel, int pitch, int velocity)
{
std::vector<unsigned char> message;
message.push_back(MIDI_NOTE_OFF + channel);
message.push_back(pitch);
message.push_back(velocity);
sendMessage(message);
}
void ctrlChange(int channel, int ctrl, int val)
{
std::vector<unsigned char> message;
message.push_back(MIDI_CONTROL_CHANGE + channel);
message.push_back(ctrl);
message.push_back(val);
sendMessage(message);
}
void chanPress(int channel, int press)
{
std::vector<unsigned char> message;
message.push_back(MIDI_AFTERTOUCH + channel);
message.push_back(press);
sendMessage(message);
}
void progChange(int channel, int pgm)
{
std::vector<unsigned char> message;
message.push_back(MIDI_PROGRAM_CHANGE + channel);
message.push_back(pgm);
sendMessage(message);
}
void keyPress(int channel, int pitch, int press)
{
std::vector<unsigned char> message;
message.push_back(MIDI_POLY_AFTERTOUCH + channel);
message.push_back(pitch);
message.push_back(press);
sendMessage(message);
}
void pitchWheel(int channel, int wheel)
{
std::vector<unsigned char> message;
message.push_back(MIDI_PITCH_BEND + channel);
message.push_back(wheel & 0x7F); // lsb 7bit
message.push_back((wheel >> 7) & 0x7F); // msb 7bit
sendMessage(message);
}
void ctrlChange14bits(int channel, int ctrl, int value) {}
void start_sync(double date)
{
std::vector<unsigned char> message;
message.push_back(MIDI_START);
sendMessage(message);
}
void stop_sync(double date)
{
std::vector<unsigned char> message;
message.push_back(MIDI_STOP);
sendMessage(message);
}
void clock(double date)
{
std::vector<unsigned char> message;
message.push_back(MIDI_CLOCK);
sendMessage(message);
}
};
#endif // __rt_midi__
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