From 72242181226c263c51177eacee0009e5e5bb5678 Mon Sep 17 00:00:00 2001
From: Miika Alonen <amiika@gmail.com>
Date: Sun, 3 Sep 2023 00:36:41 +0300
Subject: [PATCH] Add check for negative bpm & ppqn

---
 src/Clock.ts              | 4 ++--
 src/TransportProcessor.js | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Clock.ts b/src/Clock.ts
index fadd9bf..9ef51c9 100644
--- a/src/Clock.ts
+++ b/src/Clock.ts
@@ -127,7 +127,7 @@ export class Clock {
   }
 
   set bpm(bpm: number) {
-    if(this._bpm !== bpm) {
+    if(bpm>0 && this._bpm !== bpm) {
       this._bpm = bpm;
       this.transportNode?.setBPM(bpm);
     }
@@ -138,7 +138,7 @@ export class Clock {
   }
 
   set ppqn(ppqn: number) {
-    if(this._ppqn !== ppqn) {
+    if(ppqn>0 && this._ppqn !== ppqn) {
       this._ppqn = ppqn;
       this.transportNode?.setPPQN(ppqn);
     }
diff --git a/src/TransportProcessor.js b/src/TransportProcessor.js
index 4eea8d3..0542ca7 100644
--- a/src/TransportProcessor.js
+++ b/src/TransportProcessor.js
@@ -24,6 +24,7 @@ class TransportProcessor extends AudioWorkletProcessor {
             this.currentPulsePosition = 0;
         } else if(message.data.type === 'ppqn') {
             this.ppqn = message.data.value;
+            this.currentPulsePosition = 0;
         }
     };