本文整理汇总了C++中MidiMessage::p1方法的典型用法代码示例。如果您正苦于以下问题:C++ MidiMessage::p1方法的具体用法?C++ MidiMessage::p1怎么用?C++ MidiMessage::p1使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MidiMessage
的用法示例。
在下文中一共展示了MidiMessage::p1方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: sillyKeyboard
void sillyKeyboard(int key, int chan /* = 0 */) {
static int octave = 4;
static int newkey = 0;
static Voice voice;
static MidiMessage message;
// check to see if adjusting the octave:
if (isdigit(key)) {
octave = key - '0';
return;
}
switch (key) {
case 'z': newkey = 12 * octave + 0; break; // C
case 's': newkey = 12 * octave + 1; break; // C#
case 'x': newkey = 12 * octave + 2; break; // D
case 'd': newkey = 12 * octave + 3; break; // D#
case 'c': newkey = 12 * octave + 4; break; // E
case 'v': newkey = 12 * octave + 5; break; // F
case 'g': newkey = 12 * octave + 6; break; // F#
case 'b': newkey = 12 * octave + 7; break; // G
case 'h': newkey = 12 * octave + 8; break; // G#
case 'n': newkey = 12 * octave + 9; break; // A
case 'j': newkey = 12 * octave + 10; break; // A#
case 'm': newkey = 12 * octave + 11; break; // B
case ',': newkey = 12 * octave + 12; break; // C
case 'l': newkey = 12 * octave + 12; break; // C#
case '.': newkey = 12 * octave + 12; break; // D
case '\'': newkey = 12 * octave + 12; break; // D#
case '/': newkey = 12 * octave + 12; break; // E
default: return; // don't do anything if not a key
}
newkey = limit(newkey, 0, 127);
// put note-off message in synth's input buffer:
message.time = t_time;
message.p0() = 0x90 | voice.getChan();
message.p1() = voice.getKey();
message.p2() = 0;
synth.insert(message);
// turn off the last note:
voice.off();
// set parameters for next note-on:
voice.setChan(chan & 0x0f); // limit channel to range from 0 to 15
voice.setVel(rand() % 127 +1); // random attack in range from 1 to 127
voice.setKey(newkey); // use the newly selected key number
// play the MIDI note:
voice.play();
// insert the played note into synth's input MIDI buffer:
message.command() = 0x90 | voice.getChan();
message.p1() = voice.getKey();
message.p2() = voice.getVel();
synth.insert(message);
}
示例2: mainloopalgorithms
void mainloopalgorithms(void) {
if (synth.getNoteCount() > 0) {
message = synth.extractNote();
oldnote = checkForSquelch(message, memory, mintime, maxtime, t_time);
if (!oldnote || sstate == 0) {
cout << "New note from performer: " << message << endl;
if (message.is_note_on()) {
message.p1() += 7;
outvel = message.p2() + veladd;
if (outvel > 127) { outvel = 127; }
synth.send(message.p0(), message.p1(), outvel);
message.time = t_time;
message.p2() = outvel;
memory.insert(message);
} else if (message.is_note_off()) {
message.p1() += 7;
synth.send(message.p0(), message.p1(), message.p2());
message.time = t_time;
memory.insert(message);
}
} else {
cout << "Feedback note from piano: " << message << endl;
}
}
}
示例3: main
int main(void) {
MidiInput midiin;
MidiOutput midiout;
midiout.setPort(0);
midiout.open();
midiin.setPort(0);
midiin.open();
MidiMessage message;
int sysexloc;
unsigned char *sysexdata = NULL;
int sysexsize = 0;
int i;
int running = 1;
cout << "sysexio -- display and echo SYSEX messages from MIDI input" << endl;
cout << "Press Middle C to quit." << endl;
while (running) {
if (midiin.getCount() > 0) {
message = midiin.extract();
if (message.p0() == 0xf0) {
sysexloc = message.p1();
sysexdata = midiin.getSysex(sysexloc);
sysexsize = midiin.getSysexSize(sysexloc);
// print out the sysex data to the screen:
for (i=0; i<sysexsize; i++) {
cout << hex << (int)sysexdata[i] << " ";
if ((i + 1) % 30 == 0) {
cout << endl;
}
}
cout << endl;
// Now echo the messages to MIDI output (as a demo
// for how to send Sysex outputs)
midiout.rawsend(sysexdata, sysexsize);
// As a courtesy, mark the midiin sysex buffer free
// but this is not necessay (it will be erased when
// more space is needed for storing a sysex.
midiin.clearSysex(sysexloc);
} else if ((message.p0() & 0xf0) == 0x90) {
// Exit the program when a middle C note is pressed.
if (message.p1() == 60 && message.p2() > 0) {
running = 0;
}
}
}
}
return 0;
}
示例4: mainloopalgorithms
void mainloopalgorithms(void) {
if (synth.getNoteCount() > 0) {
nextActionTime = t_time;
message = synth.extractNote();
if (message.p2() == 0) { // note off
keyCount--;
if (keyCount < 0) {
keyCount = 0;
}
switch (message.p1()) {
case C3: lastOffTime[1] = t_time; break;
case D3: lastOffTime[2] = t_time; break;
case E3: lastOffTime[3] = t_time; break;
case F3: lastOffTime[4] = t_time; break;
case G3: lastOffTime[5] = t_time; break;
case C4: lastOffTime[6] = t_time; break;
case D4: lastOffTime[7] = t_time; break;
case E4: lastOffTime[8] = t_time; break;
case F4: lastOffTime[9] = t_time; break;
case G4: lastOffTime[10] = t_time; break;
}
} else { // note on
keyCount++;
keysOn.insert(message.p1());
onKey2 = onKey1;
switch (message.p1()) {
case C3: lastOnTime[1] = t_time; onKey1 = 1; break;
case D3: lastOnTime[2] = t_time; onKey1 = 2; break;
case E3: lastOnTime[3] = t_time; onKey1 = 3; break;
case F3: lastOnTime[4] = t_time; onKey1 = 4; break;
case G3: lastOnTime[5] = t_time; onKey1 = 5; break;
case C4: lastOnTime[6] = t_time; onKey1 = 6; break;
case D4: lastOnTime[7] = t_time; onKey1 = 7; break;
case E4: lastOnTime[8] = t_time; onKey1 = 8; break;
case F4: lastOnTime[9] = t_time; onKey1 = 9; break;
case G4: lastOnTime[10] = t_time; onKey1 = 10; break;
}
}
}
if (nextActionTime + repeatRate <= t_time) {
nextActionTime = t_time;
}
event = makeEventDecision();
if (event > 0) {
if (shift) {
event = toupper(event);
}
cout << (char)event << flush;
}
}
示例5: processNote
void processNote(MidiMessage& message) {
int velocity = message.p2();
int key = message.p1();
int channel = message.p0() & 0x0f;
int state = 1;
int duration = 0;
if (((message.p0() & 0xf0) == 0x80) || velocity == 0) {
state = 0;
}
if (key == A0) {
cout << "A0 Triggered" << endl;
for (int i=0; i<decaystates.getSize(); i++) {
decaystates[i] *= -1.0;
}
return;
}
if (state == 1) {
notestates[key] = message.time;
onvels[key] = velocity;
} else {
if (notestates[key] == 0) {
// do nothing
} else {
duration = message.time - notestates[key];
if (decaystates[key] == 0.0) {
createDecay(channel, key, duration, onvels[key]);
}
}
notestates[key] = 0;
}
}
示例6: main
int main(int argc, char* argv[]) {
int incount = MidiInPort::getNumPorts();
int outcount = MidiOutPort::getNumPorts();
Array<ArrayInt> connections;
connections.setSize(incount);
int i, j;
for (i=0; i<incount; i++) {
connections[i].setSize(outcount);
connections[i].setAll(1);
}
// temporary connections for now:
// connections[0][2] = 0;
// connections[1][2] = 0;
cout << "There are " << incount << " MIDI inputs" << endl;
cout << "and " << outcount << " MIDI outputs" << endl;
MidiMessage message;
Array<MidiInput> midiins;
for (i=0; i<incount; i++) {
midiins[i].setPort(i);
midiins[i].open();
}
Array<MidiOutPort> midiouts;
midiouts.setSize(outcount);
for (i=0; i<outcount; i++) {
midiouts[i].setPort(i);
midiouts[i].open();
cout << "opened MIDI output number " << i << endl;
}
connections[0][3] = 0;
displayPatchBay(connections);
int done = 0;
while (!done) {
for (i=0; i<incount; i++) {
while (midiins[i].getCount() > 0) {
message = midiins[i].extract();
if (message.p1() == A0) {
done = 1;
}
cout << "[" << i << ":";
for (j=0; j<outcount; j++) {
if (connections[i][j]) {
cout << j << " ";
sendData(message, midiouts[j], midiins[i]);
}
}
cout << "]" << flush;
}
}
}
return 0;
}
示例7: mainloopalgorithms
void mainloopalgorithms(void) {
eventBuffer.checkPoll(); // see if any notes to play
while (synth.getNoteCount() > 0) {
message = synth.extractNote();
if (message.p2() != 0) {
lastnotes.insert(message.p1());
lasttimes.insert(message.time);
distancee = lastnotes[0] - lastnotes[1];
duration = lasttimes[0] - lasttimes[1];
channel = 0x0f & message.p0();
if (distancee != 0) {
playgliss(message.p1(), message.p2(), channel, duration, distancee);
}
}
}
}
示例8: sendData
void sendData(MidiMessage& m, MidiOutPort& output,
MidiInput& input) {
int count = m.getParameterCount();
if (count >= 0 && count <= 2) {
if (count >= 0) output.rawsend(m.p0());
if (count >= 1) output.rawsend(m.p0(), m.p1());
if (count >= 2) output.rawsend(m.p0(), m.p1(), m.p2());
}
}
示例9: processMidiCommand
void processMidiCommand(MidiMessage& message) {
if (message.p0() != 0x90 || message.p2() == 0) {
return;
}
switch (message.p1()) {
case 60: // Middle C = beat
keyboardchar(' ');
break;
case 61: // C# = amplitude control
{
double amp = performance.getAmp();
amp = amp * message.p2() / 64;
if (amp < 0) {
amp = 0;
} else if (amp > 127) {
amp = 127;
}
performance.setAmp((int)amp);
}
break;
case 71: // B = 1 beat tempo follow
keyboardchar('1');
break;
case 72: // C = 2 beat tempo follow
keyboardchar('2');
break;
case 73: // C# = 3 beat tempo follow
keyboardchar('3');
break;
case 74: // D = 4 beat tempo follow
keyboardchar('4');
break;
case 79: // G = constant tempo follow
keyboardchar('9');
break;
case 80: // G# = automatic
keyboardchar('0');
break;
case 62: // amplitude decrease
keyboardchar('[');
break;
case 63: // amplitude increase
keyboardchar(']');
break;
case 64: // tempo decrease
keyboardchar('-');
break;
case 65: // tempo increase
keyboardchar('=');
break;
}
}
示例10: mainloopalgorithms
void mainloopalgorithms(void) {
eventBuffer.checkPoll();
while (synth.getNoteCount() > 0) {
message = synth.extractNote();
if (message.is_note_on() && message.p1() == A0) {
direction = -direction;
cout << "Direction = " << direction << endl;
} else if (message.is_note_on() && message.p1() == C7) {
// add one to the length of the tumble sequence
length = limit(length+1, 2, 200);
cout << "Sequence length = " << length << endl;
} else if (message.is_note_on() && message.p1() == B6) {
// subtract one from the length of the tumble sequence
length = limit(length-1, 2, 200);
cout << "Sequence length = " << length << endl;
} else {
processNote(message, length, direction);
}
}
}
示例11: mainloopalgorithms
void mainloopalgorithms(void) {
while (synth.getNoteCount() > 0) {
noteMessage = synth.extractNote();
if (noteMessage.p2() != 0) { // ignore note off commands
synth.play(0, shadowNote, 0); // turn off last note
shadowNote = noteMessage.p1() + shadowSide * shadowDistance;
if (shadowNote > 0 && shadowNote < 128) {
synth.play(0, shadowNote, noteMessage.p2());
} else {
shadowNote = 0;
}
}
}
}
示例12: mainloopalgorithms
void mainloopalgorithms(void) {
while (synth.getNoteCount() > 0) {
message = synth.extractNote();
if (message.is_note_off()) {
continue;
}
returnpitch = message.p1();
returnvelocity = message.p2();
// returntime = message.time;
returntime = t_time;
dtime = (short)(returntime - outtimes[returnpitch]);
if (dtime > 500) { // ignore return times which take more than 0.5 sec
continue;
}
vchange = returnvelocity - outvels[returnpitch];
velchange[returnpitch][outvels[returnpitch]].append(vchange);
deltatimes[returnpitch][outvels[returnpitch]].append(dtime);
}
if (!playstate) {
return;
}
if (nextnotetime <= t_time) {
currentnote += 11;
if (currentnote > 127) {
currentnote -= 127;
}
if (currentnote < A0 || currentnote > C8) {
return;
}
velocity = rand() % 127 + 1; // random velocity between 1 and 127
voices[currvoice].off();
outvels[currentnote] = velocity;
outtimes[currentnote] = mainTimer.getTime();
voices[currvoice++].play(0, currentnote, velocity);
if (currvoice >= maxvoices) {
currvoice = 0;
}
notecount++;
nextnotetime = t_time + duration;
}
}
示例13: processKeyboard
void processKeyboard(void) {
MidiMessage message;
int key;
int vel;
int command;
while (synth.getNoteCount() > 0) {
message = synth.extractNote();
command = message.p0();
key = message.p1();
vel = message.p2();
if (vel == 0 || (command & 0xf0 == 0x80)) {
// note-off command section
long duration = t_time - performerNotes[key];
durations.insert(duration);
durtimes.insert(t_time);
performerNotes[key] = 0;
performerPC[key%12]--;
if (performerPC[key%12] < 0) {
performerPC[key%12] = 0;
}
} else { // note-on command
performerNotes[key] = t_time;
performerPC[key%12]++;
performerPCHistory[key%12]++;
keys.insert(key);
keytimes.insert(t_time);
volumes.insert(vel);
voltimes.insert(t_time);
} // end of the note-on command section
} // end of the while loop for processing notes from the performer
// update the time that the performer last play a note on/off:
lastPerformerTime = t_time;
updatePerformRegions();
updateDuration();
updateVolume();
}
示例14: checkForSquelch
int checkForSquelch(MidiMessage& message, CircularBuffer<MidiMessage>& memory,
int mintime, int maxtime, int curtime) {
int i;
if (memory.getSize() == 0) {
return 0;
}
for (i=0; i<memory.getSize(); i++) {
if ((curtime - (int)memory[i].time) < mintime) {
continue;
}
if ((curtime - (int)memory[i].time) > maxtime) {
break;
}
if ((memory[i].p0() == message.p0()) && (memory[i].p1() == message.p1())) {
return 1;
}
}
return 0;
}
示例15: initialization
void initialization(void) {
batonTimer.setPeriod(50); // time to get new state of baton
offTimer.setPeriod(200); // time to check buffer for forgetting
controlDisplayTimer.setPeriod(200); // time to check buffer for forgetting
// set the voice channels all to be 0 for the disklavier and so
// the channels do not have to be specified when playing the note.
for (int i=0; i<MAXVOICES; i++) {
voice[i].setChannel(0);
}
computer.setChannel(0);
computerMessage.time = t_time;
computerMessage.p0() = 0x90;
computerMessage.p1() = 0;
computerMessage.p2() = 0;
keys.setSize(1000); // store keys for memory of previous notes
keytimes.setSize(1000); // note times for keys buffer
volumes.setSize(1000); // duration of notes being held by performer
voltimes.setSize(1000); // duration of notes being held by performer
durations.setSize(1000); // duration of notes being held by performer
durtimes.setSize(1000); // duration of notes being held by performer
}