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kind of MIDI output

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tildearrow 2022-03-31 03:33:05 -05:00
parent 45ce940d66
commit f689409f02
7 changed files with 126 additions and 9 deletions
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42
src/engine/playback.cpp
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@ -172,7 +172,49 @@ int DivEngine::dispatchCmd(DivCommand c) {
if (cmdStreamEnabled && cmdStream.size()<2000) {
cmdStream.push_back(c);
}
if (!skipping && output->midiOut!=NULL) {
if (output->midiOut->isDeviceOpen()) {
int scaledVol=(chan[c.chan].volume*127)/MAX(1,chan[c.chan].volMax);
if (scaledVol<0) scaledVol=0;
if (scaledVol>127) scaledVol=127;
switch (c.cmd) {
case DIV_CMD_NOTE_ON:
case DIV_CMD_LEGATO:
if (chan[c.chan].curMidiNote>=0) {
output->midiOut->send(TAMidiMessage(0x80|(c.chan&15),chan[c.chan].curMidiNote,scaledVol));
}
if (c.value!=DIV_NOTE_NULL) chan[c.chan].curMidiNote=c.value+12;
output->midiOut->send(TAMidiMessage(0x90|(c.chan&15),chan[c.chan].curMidiNote,scaledVol));
break;
case DIV_CMD_NOTE_OFF:
case DIV_CMD_NOTE_OFF_ENV:
if (chan[c.chan].curMidiNote>=0) {
output->midiOut->send(TAMidiMessage(0x80|(c.chan&15),chan[c.chan].curMidiNote,scaledVol));
}
chan[c.chan].curMidiNote=-1;
break;
case DIV_CMD_INSTRUMENT:
output->midiOut->send(TAMidiMessage(0xc0|(c.chan&15),c.value,0));
break;
case DIV_CMD_VOLUME:
//output->midiOut->send(TAMidiMessage(0xb0|(c.chan&15),0x07,scaledVol));
break;
case DIV_CMD_PITCH: {
int pitchBend=8192+(c.value<<5);
if (pitchBend<0) pitchBend=0;
if (pitchBend>16383) pitchBend=16383;
output->midiOut->send(TAMidiMessage(0xe0|(c.chan&15),pitchBend&0x7f,pitchBend>>7));
break;
}
default:
break;
}
}
}
c.chan=dispatchChanOfChan[c.dis];
return disCont[dispatchOfChan[c.dis]].dispatch->dispatch(c);
}