From f7d2f47f21285bce4415dfff495f09704e1b92eb Mon Sep 17 00:00:00 2001
From: Alexander Kharkov <kharkovalexander@gmail.com>
Date: Mon, 7 Feb 2022 12:15:42 +0700
Subject: [PATCH] AAC parser config fix - fmtp.parameters.config

---
 lib/components/mp4muxer/helpers/aacSettings.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/components/mp4muxer/helpers/aacSettings.ts b/lib/components/mp4muxer/helpers/aacSettings.ts
index e2f8b848e..135a3c091 100644
--- a/lib/components/mp4muxer/helpers/aacSettings.ts
+++ b/lib/components/mp4muxer/helpers/aacSettings.ts
@@ -96,7 +96,7 @@ export const aacSettings = (media: AACMedia, date: number, trackId: number) => {
    */
 
   const bitrate = Number(media.fmtp.parameters.bitrate) || 320000
-  const audioConfigBytes = parseInt(media.fmtp.parameters.config, 16)
+  const audioConfigBytes = parseInt(media.fmtp.parameters.config.substr(0, 4), 16);
   const audioObjectType = (audioConfigBytes >>> 11) & 0x001f
 
   return {