From 6bb31980068dcbd5736ef90a8e61b0696670bd9b Mon Sep 17 00:00:00 2001
From: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>
Date: Fri, 4 Oct 2024 18:03:10 +0300
Subject: [PATCH] LLE DSP: Handle cycle drifting

---
 include/audio/teakra_core.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/audio/teakra_core.hpp b/include/audio/teakra_core.hpp
index 171049853..778671d9e 100644
--- a/include/audio/teakra_core.hpp
+++ b/include/audio/teakra_core.hpp
@@ -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;