SynthNote* AUInstrumentBase::VoiceStealing(UInt32 inFrame, bool inKillIt)
{
#if DEBUG_PRINT
printf("enter voice stealing\n");
#endif
// free list was empty so we need to kill a note.
UInt32 startState = inKillIt ? kNoteState_FastReleased : kNoteState_Released;
for (UInt32 i = startState; i <= startState; --i)
{
#if DEBUG_PRINT
printf(" steal state %d\n", i);
#endif
UInt32 numGroups = Groups().GetNumberOfElements();
for (UInt32 j = 0; j < numGroups; ++j)
{
SynthGroupElement *group = (SynthGroupElement*)Groups().GetElement(j);
#if DEBUG_PRINT
printf(" steal group %d size %d\n", j, group->mNoteList[i].Length());
#endif
if (group->mNoteList[i].NotEmpty()) {
#if DEBUG_PRINT
printf("not empty %d %d\n", i, j);
#endif
SynthNote *note = group->mNoteList[i].FindMostQuietNote();
if (inKillIt) {
#if DEBUG_PRINT
printf("--=== KILL ===---\n");
#endif
note->mRelativeKillFrame = inFrame;
note->Kill(inFrame);
group->mNoteList[i].RemoveNote(note);
if (i != kNoteState_FastReleased)
DecNumActiveNotes();
return note;
} else {
#if DEBUG_PRINT
printf("--=== FAST RELEASE ===---\n");
#endif
group->mNoteList[i].RemoveNote(note);
note->FastRelease(inFrame);
group->mNoteList[kNoteState_FastReleased].AddNote(note);
DecNumActiveNotes(); // kNoteState_FastReleased counts as inactive for voice stealing purposes.
return NULL;
}
}
}
}
#if DEBUG_PRINT
printf("no notes to steal????\n");
#endif
return NULL; // It should be impossible to get here. It means there were no notes to kill in any state.
}
void SynthGroupElement::AllSoundOff(UInt32 inFrame)
{
#if DEBUG_PRINT
printf("SynthGroupElement::AllSoundOff\n");
#endif
SynthNote *note;
for (UInt32 i=0 ; i<kNumberOfActiveNoteStates; ++i)
{
note = mNoteList[i].mHead;
while (note)
{
SynthNote *nextNote = note->mNext;
mNoteList[i].RemoveNote(note);
note->FastRelease(inFrame);
mNoteList[kNoteState_FastReleased].AddNote(note);
GetAUInstrument()->DecNumActiveNotes();
note = nextNote;
}
}
}