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Respect MIDI channel on control change mappings #344

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Respect MIDI channel on control change mappings #344

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5 changes: 5 additions & 0 deletions Source/PluginData.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -472,6 +472,11 @@ void DexedAudioProcessor::setStateInformation(const void* source, int sizeInByte
int cc = ccMapping->getIntAttribute("cc", -1);
String target = ccMapping->getStringAttribute("target", "");
if ( target.isNotEmpty() && cc != -1 ) {
if ((cc >> 8) == 0) {
// Simple migration logic lets old mappings without channel
// work on channel 1.
cc |= 1 << 8;
}
for(int i=0;i<ctrl.size();i++) {
if ( ctrl[i]->label == target) {
TRACE("mapping CC=%d to %s", cc, target.toRawUTF8());
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2 changes: 1 addition & 1 deletion Source/PluginEditor.cpp
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Expand Up @@ -392,7 +392,7 @@ public :
this->target = target;
setMessage("Mapping: " + String(target->label) + ", waiting for midi controller change (CC) message...");
addButton("CANCEL", -1);
editor->processor->lastCCUsed.setValue(-1);
editor->processor->lastCCUsed.setValue(-1);
editor->processor->lastCCUsed.addListener(this);
}

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9 changes: 5 additions & 4 deletions Source/PluginProcessor.cpp
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Expand Up @@ -403,16 +403,17 @@ void DexedAudioProcessor::processMidiMessage(const MidiMessage *msg) {
}
break;
default:
TRACE("handle CC %d %d", ctrl, value);
if ( mappedMidiCC.contains(ctrl) ) {
Ctrl *linkedCtrl = mappedMidiCC[ctrl];
TRACE("handle channel %d CC %d = %d", channel, ctrl, value);
int channel_cc = (channel << 8) | ctrl;
if ( mappedMidiCC.contains(channel_cc) ) {
Ctrl *linkedCtrl = mappedMidiCC[channel_cc];

// We are not publishing this in the DSP thread, moving that in the
// event thread
linkedCtrl->publishValueAsync((float) value / 127);
}
// this is used to notify the dialog that a CC value was received.
lastCCUsed.setValue(ctrl);
lastCCUsed.setValue(channel_cc);
}
}
return;
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