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Cleanup input midi expander, add channel option

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This commit is contained in:
falkTX 2022-02-06 15:30:58 +00:00
parent 10fe1db762
commit d0224fce14
3 changed files with 167 additions and 53 deletions
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216
plugins/Cardinal/src/Expanders.cpp → plugins/Cardinal/src/ExpanderInputMIDI.cpp
View file

@ -20,6 +20,16 @@
// --------------------------------------------------------------------------------------------------------------------
/**
* This class contains a substantial amount of code from VCVRack's dsp/midi.hpp
* Copyright (C) 2016-2021 VCV.
*
* 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 3 of
* the License, or (at your option) any later version.
*/
struct CardinalExpanderForInputMIDI : CardinalExpanderFromCVToCarlaMIDI {
enum ParamIds {
NUM_PARAMS
@ -27,10 +37,10 @@ struct CardinalExpanderForInputMIDI : CardinalExpanderFromCVToCarlaMIDI {
enum InputIds {
PITCH_INPUT,
GATE_INPUT,
VEL_INPUT,
AFT_INPUT,
PW_INPUT,
MW_INPUT,
VELOCITY_INPUT,
AFTERTOUCH_INPUT,
PITCHBEND_INPUT,
MODWHEEL_INPUT,
NUM_INPUTS
};
enum OutputIds {
@ -45,112 +55,170 @@ struct CardinalExpanderForInputMIDI : CardinalExpanderFromCVToCarlaMIDI {
int8_t notes[CHANNELS];
bool gates[CHANNELS];
int8_t keyPressures[CHANNELS];
int8_t mw;
int16_t pw;
int8_t modwheel;
int16_t pitchbend;
uint8_t channel = 0;
Module* lastConnectedModule = nullptr;
CardinalExpanderForInputMIDI() {
CardinalExpanderForInputMIDI()
{
static_assert(NUM_INPUTS == kNumInputs, "Invalid input configuration");
config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
configInput(PITCH_INPUT, "1V/octave pitch");
configInput(GATE_INPUT, "Gate");
configInput(VEL_INPUT, "Velocity");
configInput(AFT_INPUT, "Aftertouch");
configInput(PW_INPUT, "Pitchbend");
configInput(MW_INPUT, "Mod wheel");
configInput(VELOCITY_INPUT, "Velocity");
configInput(AFTERTOUCH_INPUT, "Aftertouch");
configInput(PITCHBEND_INPUT, "Pitchbend");
configInput(MODWHEEL_INPUT, "Mod wheel");
onReset();
}
/** Must be called before setNoteGate(). */
void setVelocity(int8_t vel, int c) {
void setVelocity(int8_t vel, int c)
{
vels[c] = vel;
}
void setNoteGate(int8_t note, bool gate, int c) {
if (midiEventCount == MAX_MIDI_EVENTS)
void setNoteGate(int8_t note, bool gate, int c)
{
if (midiEventCount == MAX_MIDI_EVENTS || frame == UINT_MAX)
return;
bool changedNote = gate && gates[c] && (note != notes[c]);
bool enabledGate = gate && !gates[c];
bool disabledGate = !gate && gates[c];
if (changedNote || disabledGate) {
const bool changedNote = gate && gates[c] && (note != notes[c]);
const bool enabledGate = gate && !gates[c];
const bool disabledGate = !gate && gates[c];
if (changedNote || disabledGate)
{
// Note off
NativeMidiEvent& m(midiEvents[midiEventCount++]);
m.time = frame;
m.port = 0;
m.size = 3;
m.data[0] = 0x80;
m.data[0] = 0x80 | channel;
m.data[1] = notes[c];
m.data[2] = vels[c];
}
if (changedNote || enabledGate) {
if (changedNote || enabledGate)
{
// Note on
NativeMidiEvent& m(midiEvents[midiEventCount++]);
m.time = frame;
m.port = 0;
m.size = 3;
m.data[0] = 0x90;
m.data[0] = 0x90 | channel;
m.data[1] = note;
m.data[2] = vels[c];
}
notes[c] = note;
gates[c] = gate;
}
void setKeyPressure(int8_t val, int c) {
if (keyPressures[c] == val || midiEventCount == MAX_MIDI_EVENTS)
void setKeyPressure(int8_t val, int c)
{
if (keyPressures[c] == val)
return;
keyPressures[c] = val;
if (midiEventCount == MAX_MIDI_EVENTS || frame == UINT_MAX)
return;
// Polyphonic key pressure
NativeMidiEvent& m(midiEvents[midiEventCount++]);
m.time = frame;
m.port = 0;
m.size = 3;
m.data[0] = 0xa0;
m.data[0] = 0xa0 | channel;
m.data[1] = notes[c];
m.data[2] = val;
}
void setModWheel(int8_t mw) {
if (this->mw == mw || midiEventCount == MAX_MIDI_EVENTS)
void setModWheel(int8_t modwheel)
{
if (this->modwheel == modwheel)
return;
this->mw = mw;
this->modwheel = modwheel;
if (midiEventCount == MAX_MIDI_EVENTS || frame == UINT_MAX)
return;
// Modulation Wheel (CC1)
NativeMidiEvent& m(midiEvents[midiEventCount++]);
m.time = frame;
m.port = 0;
m.size = 3;
m.data[0] = 0xb0;
m.data[0] = 0xb0 | channel;
m.data[1] = 1;
m.data[2] = mw;
m.data[2] = modwheel;
}
void setPitchWheel(int16_t pw) {
if (this->pw == pw || midiEventCount == MAX_MIDI_EVENTS)
void setPitchbend(int16_t pitchbend)
{
if (this->pitchbend == pitchbend)
return;
this->pw = pw;
this->pitchbend = pitchbend;
if (midiEventCount == MAX_MIDI_EVENTS || frame == UINT_MAX)
return;
// Pitch Wheel
NativeMidiEvent& m(midiEvents[midiEventCount++]);
m.time = frame;
m.port = 0;
m.size = 3;
m.data[0] = 0xe0;
m.data[1] = pw & 0x7f;
m.data[2] = (pw >> 7) & 0x7f;
m.data[0] = 0xe0 | channel;
m.data[1] = pitchbend & 0x7f;
m.data[2] = (pitchbend >> 7) & 0x7f;
}
void onReset() override
void panic()
{
for (uint c = 0; c < CHANNELS; c++) {
if (frame != UINT_MAX)
{
// Send all note off commands
for (int note = 0; note <= 127; ++note)
{
if (midiEventCount == MAX_MIDI_EVENTS)
break;
// Note off
NativeMidiEvent& m(midiEvents[midiEventCount++]);
m.time = frame;
m.port = 0;
m.size = 3;
m.data[0] = 0x80 | channel;
m.data[1] = note;
m.data[2] = 0;
}
}
reset();
}
void reset()
{
for (uint c = 0; c < CHANNELS; ++c)
{
vels[c] = 100;
notes[c] = 60;
gates[c] = false;
keyPressures[c] = -1;
}
mw = -1;
pw = 0x2000;
modwheel = -1;
pitchbend = 0x2000;
midiEventCount = 0;
frame = UINT_MAX;
}
void onReset() override
{
reset();
channel = 0;
lastConnectedModule = nullptr;
}
@ -178,7 +246,7 @@ struct CardinalExpanderForInputMIDI : CardinalExpanderFromCVToCarlaMIDI {
return;
for (int c = 0; c < inputs[PITCH_INPUT].getChannels(); c++) {
int vel = (int) std::round(inputs[VEL_INPUT].getNormalPolyVoltage(10.f * 100 / 127, c) / 10.f * 127);
int vel = (int) std::round(inputs[VELOCITY_INPUT].getNormalPolyVoltage(10.f * 100 / 127, c) / 10.f * 127);
vel = clamp(vel, 0, 127);
setVelocity(vel, c);
@ -187,21 +255,36 @@ struct CardinalExpanderForInputMIDI : CardinalExpanderFromCVToCarlaMIDI {
bool gate = inputs[GATE_INPUT].getPolyVoltage(c) >= 1.f;
setNoteGate(note, gate, c);
int aft = (int) std::round(inputs[AFT_INPUT].getPolyVoltage(c) / 10.f * 127);
int aft = (int) std::round(inputs[AFTERTOUCH_INPUT].getPolyVoltage(c) / 10.f * 127);
aft = clamp(aft, 0, 127);
setKeyPressure(aft, c);
}
int pw = (int) std::round((inputs[PW_INPUT].getVoltage() + 5.f) / 10.f * 0x4000);
pw = clamp(pw, 0, 0x3fff);
setPitchWheel(pw);
int pitchbend = (int) std::round((inputs[PITCHBEND_INPUT].getVoltage() + 5.f) / 10.f * 16383);
pitchbend = clamp(pitchbend, 0, 16383);
setPitchbend(pitchbend);
int mw = (int) std::round(inputs[MW_INPUT].getVoltage() / 10.f * 127);
mw = clamp(mw, 0, 127);
setModWheel(mw);
int modwheel = (int) std::round(inputs[MODWHEEL_INPUT].getVoltage() / 10.f * 127);
modwheel = clamp(modwheel, 0, 127);
setModWheel(modwheel);
++frame;
}
json_t* dataToJson() override
{
json_t* const rootJ = json_object();
DISTRHO_SAFE_ASSERT_RETURN(rootJ != nullptr, nullptr);
json_object_set_new(rootJ, "channel", json_integer(channel));
return rootJ;
}
void dataFromJson(json_t* const rootJ) override
{
if (json_t* const channelJ = json_object_get(rootJ, "channel"))
channel = json_integer_value(channelJ) & 0x0F;
}
};
// --------------------------------------------------------------------------------------------------------------------
@ -211,16 +294,19 @@ struct CardinalExpanderForInputMIDIWidget : ModuleWidgetWith3HP {
static constexpr const float startY = 90.0f;
static constexpr const float padding = 49.0f;
CardinalExpanderForInputMIDIWidget(CardinalExpanderForInputMIDI* const module)
CardinalExpanderForInputMIDI* const module;
CardinalExpanderForInputMIDIWidget(CardinalExpanderForInputMIDI* const m)
: module(m)
{
setModule(module);
setModule(m);
setPanel(APP->window->loadSvg(asset::plugin(pluginInstance, "res/ExpanderMIDI.svg")));
addChild(createWidget<ScrewBlack>(Vec(RACK_GRID_WIDTH, 0)));
addChild(createWidget<ScrewBlack>(Vec(RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH)));
for (int i=0; i<CardinalExpanderForInputMIDI::NUM_INPUTS; ++i)
addInput(createInput<PJ301MPort>(Vec(startX + 4.0f, startY + padding * i), module, i));
addInput(createInput<PJ301MPort>(Vec(startX + 4.0f, startY + padding * i), m, i));
}
void draw(const DrawArgs& args) override
@ -261,7 +347,35 @@ struct CardinalExpanderForInputMIDIWidget : ModuleWidgetWith3HP {
nvgText(args.vg, box.size.x * 0.666f, startY + padding * 4 - 4.0f, "Pb", nullptr);
nvgText(args.vg, box.size.x * 0.666f, startY + padding * 5 - 4.0f, "MW", nullptr);
ModuleWidgetWithSideScrews::draw(args);
ModuleWidgetWith3HP::draw(args);
}
void appendContextMenu(Menu* const menu) override
{
menu->addChild(new MenuSeparator);
struct ChannelItem : MenuItem {
CardinalExpanderForInputMIDI* module;
Menu* createChildMenu() override {
Menu* menu = new Menu;
for (uint8_t c = 0; c < 16; c++) {
menu->addChild(createCheckMenuItem(string::f("%d", c+1), "",
[=]() {return module->channel == c;},
[=]() {module->channel = c;}
));
}
return menu;
}
};
ChannelItem* const channelItem = new ChannelItem;
channelItem->text = "MIDI channel";
channelItem->rightText = string::f("%d", module->channel+1) + " " + RIGHT_ARROW;
channelItem->module = module;
menu->addChild(channelItem);
menu->addChild(createMenuItem("Panic", "",
[=]() { module->panic(); }
));
}
};

2
plugins/Cardinal/src/HostMIDI.cpp
View file

@ -635,7 +635,7 @@ struct HostMIDI : Module {
return rootJ;
}
void dataFromJson(json_t* rootJ) override
void dataFromJson(json_t* const rootJ) override
{
if (json_t* const smoothJ = json_object_get(rootJ, "smooth"))
midiInput.smooth = json_boolean_value(smoothJ);

2
plugins/Makefile
View file

@ -187,7 +187,7 @@ PLUGIN_FILES = plugins.cpp
# Cardinal (built-in)
PLUGIN_FILES += Cardinal/src/Blank.cpp
PLUGIN_FILES += Cardinal/src/Expanders.cpp
PLUGIN_FILES += Cardinal/src/ExpanderInputMIDI.cpp
PLUGIN_FILES += Cardinal/src/glBars.cpp
PLUGIN_FILES += Cardinal/src/HostAudio.cpp
PLUGIN_FILES += Cardinal/src/HostCV.cpp