void MidiBlackKeyFilter::processMidiEvents (VstMidiEventVec *inputs, VstMidiEventVec *outputs, VstInt32 sampleFrames)
{
const int listenchannel = FLOAT_TO_CHANNEL(param[kInChannel]);
int BlackChannel = FLOAT_TO_CHANNEL(param[kBlackChannel]);
int WhiteChannel = FLOAT_TO_CHANNEL(param[kWhiteChannel]);
// process incoming events
for (unsigned int i=0;i<inputs[0].size();i++) {
//copying event "i" from input (with all its fields)
VstMidiEvent tomod = inputs[0][i];
unsigned int status = tomod.midiData[0] & 0xf0; // scraping channel
const int channel = tomod.midiData[0] & 0x0f; // isolating channel
const int data1 = tomod.midiData[1] & 0x7f;
const int data2 = tomod.midiData[2] & 0x7f;
// make zero-velocity noteons look like "real" noteoffs
if (status==MIDI_NOTEON && data2==0) status=MIDI_NOTEOFF;
if (channel == listenchannel || listenchannel == -1) {
if (status == MIDI_NOTEON) {
if (isBlackKey(data1)) {
if (BlackChannel==ANY_CHANNEL) BlackChannel = channel;
tomod.midiData[0] = MIDI_NOTEON | BlackChannel;
tomod.midiData[2] = midiLimit(roundToInt((float)data2 * 2.f * param[kBlackVelocity]));
}
else {
if (WhiteChannel==ANY_CHANNEL) WhiteChannel = channel;
tomod.midiData[0] = MIDI_NOTEON | WhiteChannel;
tomod.midiData[2] = midiLimit(roundToInt((float)data2 * 2.f * param[kWhiteVelocity]));
}
if (tomod.midiData[2]>0) playingOnChannel[data1][channel] = tomod.midiData[0]&0x0f;
}
else if (status == MIDI_NOTEOFF) {
if (isBlackKey(data1)) {
if (BlackChannel==ANY_CHANNEL) BlackChannel = channel;
tomod.midiData[0] = MIDI_NOTEOFF | BlackChannel;
}
else {
if (WhiteChannel==ANY_CHANNEL) WhiteChannel = channel;
tomod.midiData[0] = MIDI_NOTEOFF | WhiteChannel;
}
playingOnChannel[data1][channel] = -1;
}
}
outputs[0].push_back(tomod);
}
}
//have fun modifying this one!
void MidiGain::processMidiEvents (VstMidiEventVec *inputs, VstMidiEventVec *outputs)
{
// process incoming events
VstMidiEventVec::iterator it;
for (it=inputs[0].begin(); it<inputs[0].end(); it++)
{
const int status = it->midiData[0] & 0xf0; // scraping channel
const int channel = it->midiData[0] & 0x0f; // isolating channel (0-15)
const int data1 = it->midiData[1] & 0x7f; // note/cc number, etc
const int data2 = it->midiData[2] & 0x7f; // velocity/cc value, etc
if (isNoteOn(*it))
{
int newVelocity = roundToInt(2.f * param[kGain] * (float)data2);
it->midiData[2] = midiLimit(newVelocity);
}
outputs[0].push_back(*it);
}
}
void MidiKeySplit4::processMidiEvents(VstMidiEventVec *inputs, VstMidiEventVec *outputs, VstInt32 sampleFrames)
{
const char ch = FLOAT_TO_CHANNEL015(param[kInChannel]);
signed char ch1 = FLOAT_TO_CHANNEL(param[kOutChannel1]);
signed char ch2 = FLOAT_TO_CHANNEL(param[kOutChannel2]);
signed char ch3 = FLOAT_TO_CHANNEL(param[kOutChannel3]);
signed char ch4 = FLOAT_TO_CHANNEL(param[kOutChannel4]);
const char split1 = FLOAT_TO_MIDI_X(param[kSplit1]);
const char split2 = FLOAT_TO_MIDI_X(param[kSplit2]);
const char split3 = FLOAT_TO_MIDI_X(param[kSplit3]);
const char transp1 = roundToInt(96.f*param[kTransp1])-48;
const char transp2 = roundToInt(96.f*param[kTransp2])-48;
const char transp3 = roundToInt(96.f*param[kTransp3])-48;
const char transp4 = roundToInt(96.f*param[kTransp4])-48;
// process incoming events
for (unsigned int i=0;i<inputs[0].size();i++) {
//copying event "i" from input (with all its fields)
VstMidiEvent tomod = inputs[0][i];
int status = tomod.midiData[0] & 0xf0; // scraping channel
int channel = tomod.midiData[0] & 0x0f; // isolating channel
int data1 = tomod.midiData[1] & 0x7f;
int data2 = tomod.midiData[2] & 0x7f;
if (status==MIDI_NOTEON && data2==0) status=MIDI_NOTEOFF;
if (ch1==-1) ch1=channel;
if (ch2==-1) ch2=channel;
if (ch3==-1) ch3=channel;
if (ch4==-1) ch4=channel;
if (channel==ch) {
if (status==MIDI_NOTEON) {
if (split1==learn) {
setParameterAutomated(kSplit1,MIDI_TO_FLOAT_X(data1));
}
if (split2==learn) {
setParameterAutomated(kSplit2,MIDI_TO_FLOAT_X(data1));
}
if (split3==learn) {
setParameterAutomated(kSplit3,MIDI_TO_FLOAT_X(data1));
}
if (data1<split1) {
transposed[data1] = transp1;
tomod.midiData[0] = status | ch1;
tomod.midiData[1] = midiLimit(data1+transp1);
}
else if (data1<split2) {
transposed[data1] = transp2;
tomod.midiData[0] = status | ch2;
tomod.midiData[1] = midiLimit(data1+transp2);
}
else if (data1<split3) {
transposed[data1] = transp3;
tomod.midiData[0] = status | ch3;
tomod.midiData[1] = midiLimit(data1+transp3);
}
else {
transposed[data1] = transp4;
tomod.midiData[0] = status | ch4;
tomod.midiData[1] = midiLimit(data1+transp4);
}
}
else if (status==MIDI_NOTEOFF) {
if (data1<split1) {
tomod.midiData[0] = status | ch1;
tomod.midiData[1] = midiLimit(data1+transposed[data1]);
transposed[data1]=-999;
}
else if (data1<split2) {
tomod.midiData[0] = status | ch2;
tomod.midiData[1] = midiLimit(data1+transposed[data1]);
transposed[data1]=-999;
}
else if (data1<split3) {
tomod.midiData[0] = status | ch3;
tomod.midiData[1] = midiLimit(data1+transposed[data1]);
transposed[data1]=-999;
}
else {
tomod.midiData[0] = status | ch4;
tomod.midiData[1] = midiLimit(data1+transposed[data1]);
transposed[data1]=-999;
}
}
if (status==MIDI_POLYKEYPRESSURE) {
if (data1<split1) {
tomod.midiData[0] = status | ch1;
tomod.midiData[1] = midiLimit(data1+transp1);
}
else if (data1<split2) {
tomod.midiData[0] = status | ch2;
tomod.midiData[1] = midiLimit(data1+transp2);
}
else if (data1<split3) {
tomod.midiData[0] = status | ch3;
tomod.midiData[1] = midiLimit(data1+transp3);
}
else {
tomod.midiData[0] = status | ch4;
tomod.midiData[1] = midiLimit(data1+transp4);
}
}
}
outputs[0].push_back(tomod);
}
}
int nextHenon(double alpha, double beta, double& x, double& xx) {
double xxx = xx;
xx = x;
x = 1 + alpha * xx * xx + beta * xxx;
return midiLimit((int)((x + 1.0)/2.0 * 127.0 + 0.5));
}
