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Implement volumeCmd

This commit is contained in:
Iliyas Jorio 2020-11-21 14:22:58 +01:00
parent 8fdc27efb0
commit ca161f6e31
1 changed files with 14 additions and 2 deletions
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16
src/Sound/SoundManager.cpp
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@ -493,10 +493,22 @@ OSErr SndDoImmediate(SndChannelPtr chan, const SndCommand* cmd)
break;
case ampCmd:
impl.source.SetGain(cmd->param1 / 255.0);
LOG << "ampCmd " << impl.source.gain << "\n";
impl.source.SetGain(cmd->param1 / 256.0);
break;
case volumeCmd:
{
uint16_t lvol = (cmd->param2 ) & 0xFFFF;
uint16_t rvol = (cmd->param2 >> 16) & 0xFFFF;
double pan = (double)rvol / (rvol + lvol);
pan = (pan - 0.5) * 2.0; // Transpose pan from [0...1] to [-1...+1]
impl.source.SetPan(pan);
impl.source.SetGain(std::max(lvol, rvol) / 256.0);
break;
}
case freqCmd:
LOG << "freqCmd " << cmd->param2 << " " << GetMidiNoteName(cmd->param2) << " " << midiNoteFrequencies[cmd->param2] << "\n";
impl.playbackNote = Byte(cmd->param2);