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LLE DSP: Handle cycle drifting #602

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LLE DSP: Handle cycle drifting #602

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4 changes: 3 additions & 1 deletion include/audio/teakra_core.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -85,7 +85,9 @@ namespace Audio {
// Run 1 slice of DSP instructions and schedule the next audio frame
void runAudioFrame(u64 eventTimestamp) override {
runSlice();
scheduler.addEvent(Scheduler::EventType::RunDSP, scheduler.currentTimestamp + Audio::lleSlice * 2);
// How many cycles we were late
const u64 cycleDrift = scheduler.currentTimestamp - eventTimestamp;
scheduler.addEvent(Scheduler::EventType::RunDSP, scheduler.currentTimestamp + Audio::lleSlice * 2 - cycleDrift);
}

void setAudioEnabled(bool enable) override;
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