From b98eacf3c9c153788104c79a221fca4195c0e73a Mon Sep 17 00:00:00 2001
From: bomberaya <bomberaya@users.noreply.github.com>
Date: Fri, 17 Mar 2023 13:45:21 +0100
Subject: [PATCH] Update SilenceTrackImpl.java

Avoid "divide by zero" Exception if the Track is too short
---
 .../main/java/org/mp4parser/muxer/tracks/SilenceTrackImpl.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/muxer/src/main/java/org/mp4parser/muxer/tracks/SilenceTrackImpl.java b/muxer/src/main/java/org/mp4parser/muxer/tracks/SilenceTrackImpl.java
index 6107260ee..8b06ac6d5 100644
--- a/muxer/src/main/java/org/mp4parser/muxer/tracks/SilenceTrackImpl.java
+++ b/muxer/src/main/java/org/mp4parser/muxer/tracks/SilenceTrackImpl.java
@@ -34,6 +34,9 @@ public SilenceTrackImpl(Track ofType, long ms) {
         assert ofType.getSampleEntries().size() == 1: "";
         if ("mp4a".equals(ofType.getSampleEntries().get(0).getType())) {
             int numFrames = l2i(getTrackMetaData().getTimescale() * ms / 1000 / 1024);
+            if (numFrames <= 0) {
+                return;
+            }
             decodingTimes = new long[numFrames];
             Arrays.fill(decodingTimes, getTrackMetaData().getTimescale() * ms / numFrames / 1000);