From cacbc2a39992771d3b584174490da2d43cc2ba4f Mon Sep 17 00:00:00 2001
From: Vanilagy <1696106+Vanilagy@users.noreply.github.com>
Date: Sat, 7 Feb 2026 10:35:40 +0100
Subject: [PATCH] Fix assertion failure

---
 package-lock.json                 | 12 ++++++------
 package.json                      |  2 +-
 packages/mp3-encoder/package.json |  2 +-
 src/wave/wave-demuxer.ts          |  7 ++++---
 4 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index ecb42e8..6a8773f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mediabunny",
-  "version": "1.32.1",
+  "version": "1.32.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "mediabunny",
-      "version": "1.32.1",
+      "version": "1.32.2",
       "license": "MPL-2.0",
       "workspaces": [
         "packages/*"
@@ -7739,9 +7739,9 @@
       }
     },
     "node_modules/mediabunny": {
-      "version": "1.32.0",
-      "resolved": "https://registry.npmjs.org/mediabunny/-/mediabunny-1.32.0.tgz",
-      "integrity": "sha512-wMWynAQqZkmsLm+d2+fovcBal3zBQu/bot3u+yV4bDTfNxPeEDHv1wjiz6yjyKcXBuxfaQK96gImqLcKLfJG7w==",
+      "version": "1.32.1",
+      "resolved": "https://registry.npmjs.org/mediabunny/-/mediabunny-1.32.1.tgz",
+      "integrity": "sha512-pPxhBEIY7dNEhRarN/DTVL56RTce0iCwNwkhu/at+S9S/HKc01PpHs8oM2I+1I9ztQH/bo2zdyszxDuAwsEBAg==",
       "license": "MPL-2.0",
       "peer": true,
       "workspaces": [
@@ -12065,7 +12065,7 @@
     },
     "packages/mp3-encoder": {
       "name": "@mediabunny/mp3-encoder",
-      "version": "1.32.1",
+      "version": "1.32.2",
       "license": "MPL-2.0",
       "devDependencies": {
         "@types/emscripten": "^1.40.1"
diff --git a/package.json b/package.json
index 3123f32..010fb00 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mediabunny",
   "author": "Vanilagy",
-  "version": "1.32.1",
+  "version": "1.32.2",
   "description": "Pure TypeScript media toolkit for reading, writing, and converting media files, directly in the browser.",
   "type": "module",
   "workspaces": [
diff --git a/packages/mp3-encoder/package.json b/packages/mp3-encoder/package.json
index 60e1928..335c14e 100644
--- a/packages/mp3-encoder/package.json
+++ b/packages/mp3-encoder/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@mediabunny/mp3-encoder",
   "author": "Vanilagy",
-  "version": "1.32.1",
+  "version": "1.32.2",
   "description": "MP3 encoder extension for Mediabunny, based on LAME.",
   "main": "./dist/bundles/mediabunny-mp3-encoder.mjs",
   "module": "./dist/bundles/mediabunny-mp3-encoder.mjs",
diff --git a/src/wave/wave-demuxer.ts b/src/wave/wave-demuxer.ts
index 899cebb..4b6f111 100644
--- a/src/wave/wave-demuxer.ts
+++ b/src/wave/wave-demuxer.ts
@@ -425,9 +425,7 @@ class WaveAudioTrackBacking implements InputAudioTrackBacking {
 		packetIndex: number,
 		options: PacketRetrievalOptions,
 	): Promise<EncodedPacket | null> {
-		if (packetIndex < 0) {
-			return null;
-		}
+		assert(packetIndex >= 0);
 
 		assert(this.demuxer.audioInfo);
 		const startOffset = packetIndex * PACKET_SIZE_IN_FRAMES * this.demuxer.audioInfo.blockSizeInBytes;
@@ -493,6 +491,9 @@ class WaveAudioTrackBacking implements InputAudioTrackBacking {
 			timestamp * this.demuxer.audioInfo.sampleRate / PACKET_SIZE_IN_FRAMES,
 			(this.demuxer.dataSize - 1) / (PACKET_SIZE_IN_FRAMES * this.demuxer.audioInfo.blockSizeInBytes),
 		));
+		if (packetIndex < 0) {
+			return null;
+		}
 
 		const packet = await this.getPacketAtIndex(packetIndex, options);
 		if (packet) {