From fd75d4b723343596d9b7096028a13d026ae5d37a Mon Sep 17 00:00:00 2001
From: aler9 <46489434+aler9@users.noreply.github.com>
Date: Thu, 1 Aug 2024 11:50:44 +0200
Subject: [PATCH] fix panic in MPEG4Audio.GetConfig()

https://github.com/bluenviron/mediamtx/issues/3590
---
 pkg/format/mpeg4_audio.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/format/mpeg4_audio.go b/pkg/format/mpeg4_audio.go
index 295d6c92..90988a34 100644
--- a/pkg/format/mpeg4_audio.go
+++ b/pkg/format/mpeg4_audio.go
@@ -328,5 +328,8 @@ func (f *MPEG4Audio) GetConfig() *mpeg4audio.Config {
 	if !f.LATM {
 		return f.Config
 	}
+	if f.CPresent {
+		return nil
+	}
 	return f.StreamMuxConfig.Programs[0].Layers[0].AudioSpecificConfig
 }